$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) 12:45:10 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0xf00, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 758.200742][T28192] FAULT_INJECTION: forcing a failure. [ 758.200742][T28192] name failslab, interval 1, probability 0, space 0, times 0 [ 758.222012][T28192] CPU: 1 PID: 28192 Comm: syz-executor.1 Not tainted 5.5.0-syzkaller #0 [ 758.230487][T28192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 758.240563][T28192] Call Trace: [ 758.243893][T28192] dump_stack+0x197/0x210 [ 758.248259][T28192] should_fail.cold+0x5/0xd [ 758.252792][T28192] ? fault_create_debugfs_attr+0x140/0x140 [ 758.258623][T28192] ? ___might_sleep+0x163/0x2c0 [ 758.263654][T28192] __should_failslab+0xb7/0x100 [ 758.268538][T28192] should_failslab+0x9/0x14 [ 758.273062][T28192] __kmalloc+0x2e0/0x770 [ 758.277325][T28192] ? mark_held_locks+0xf0/0xf0 [ 758.282123][T28192] ? _parse_integer+0x190/0x190 [ 758.287005][T28192] ? tomoyo_realpath_from_path+0xc5/0x660 [ 758.292753][T28192] tomoyo_realpath_from_path+0xc5/0x660 [ 758.298430][T28192] ? tomoyo_path_number_perm+0x193/0x520 [ 758.304103][T28192] tomoyo_path_number_perm+0x1dd/0x520 [ 758.309628][T28192] ? tomoyo_path_number_perm+0x193/0x520 [ 758.315296][T28192] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 758.321123][T28192] ? __f_unlock_pos+0x19/0x20 [ 758.325929][T28192] ? ___might_sleep+0x163/0x2c0 [ 758.330926][T28192] ? selinux_file_mprotect+0x620/0x620 [ 758.336600][T28192] ? __fget_files+0x359/0x520 [ 758.341310][T28192] ? ksys_dup3+0x3e0/0x3e0 [ 758.345831][T28192] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 758.352180][T28192] ? fput_many+0x12c/0x1a0 [ 758.356656][T28192] tomoyo_file_ioctl+0x23/0x30 [ 758.361441][T28192] security_file_ioctl+0x77/0xc0 [ 758.365357][T28191] block nbd0: shutting down sockets [ 758.366498][T28192] ksys_ioctl+0x56/0x180 [ 758.366524][T28192] __x64_sys_ioctl+0x73/0xb0 [ 758.366546][T28192] do_syscall_64+0xfa/0x790 [ 758.385482][T28192] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 758.391651][T28192] RIP: 0033:0x45b399 [ 758.395565][T28192] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 758.415526][T28192] RSP: 002b:00007ff047b63c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 758.420099][T20510] block nbd4: Receive control failed (result -107) [ 758.423960][T28192] RAX: ffffffffffffffda RBX: 00007ff047b646d4 RCX: 000000000045b399 [ 758.423969][T28192] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 12:45:10 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c60ad7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 758.423977][T28192] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 758.423985][T28192] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 758.423995][T28192] R13: 0000000000000400 R14: 00000000004c5537 R15: 0000000000000000 [ 758.496470][T28189] block nbd4: shutting down sockets [ 758.530648][T28305] EXT4-fs (loop2): group quota file already specified [ 758.539585][T28192] ERROR: Out of memory at tomoyo_realpath_from_path. [ 758.541643][T28191] block nbd0: shutting down sockets 12:45:10 executing program 1 (fault-call:1 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 758.593390][T20510] block nbd4: Receive control failed (result -107) [ 758.604481][T28189] block nbd4: shutting down sockets [ 758.625306][T28310] FAULT_INJECTION: forcing a failure. [ 758.625306][T28310] name fail_page_alloc, interval 1, probability 0, space 0, times 0 12:45:10 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x1100, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1261, 0xffffffffffffffff) [ 758.638751][T28310] CPU: 0 PID: 28310 Comm: syz-executor.1 Not tainted 5.5.0-syzkaller #0 [ 758.647205][T28310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 758.657361][T28310] Call Trace: [ 758.660687][T28310] dump_stack+0x197/0x210 [ 758.665051][T28310] should_fail.cold+0x5/0xd [ 758.669704][T28310] ? fault_create_debugfs_attr+0x140/0x140 [ 758.675732][T28310] ? __kasan_check_read+0x11/0x20 [ 758.680790][T28310] should_fail_alloc_page+0x50/0x60 [ 758.686022][T28310] __alloc_pages_nodemask+0x1a1/0x910 12:45:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x301) [ 758.691591][T28310] ? avc_has_extended_perms+0x8e4/0x10f0 [ 758.697250][T28310] ? __alloc_pages_slowpath+0x2900/0x2900 [ 758.703088][T28310] ? __kasan_check_read+0x11/0x20 [ 758.708335][T28310] cache_grow_begin+0x90/0xc60 [ 758.713141][T28310] ? trace_hardirqs_off+0x62/0x240 [ 758.718405][T28310] __kmalloc+0x6b2/0x770 [ 758.722666][T28310] ? mark_held_locks+0xf0/0xf0 [ 758.727624][T28310] ? tomoyo_realpath_from_path+0xc5/0x660 [ 758.733344][T28310] tomoyo_realpath_from_path+0xc5/0x660 [ 758.739035][T28310] ? tomoyo_path_number_perm+0x193/0x520 [ 758.744688][T28310] tomoyo_path_number_perm+0x1dd/0x520 [ 758.745414][T20510] block nbd5: Receive control failed (result -107) [ 758.750151][T28310] ? tomoyo_path_number_perm+0x193/0x520 [ 758.750175][T28310] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 758.750191][T28310] ? __f_unlock_pos+0x19/0x20 [ 758.750225][T28310] ? ___might_sleep+0x163/0x2c0 [ 758.750280][T28310] ? selinux_file_mprotect+0x620/0x620 [ 758.760324][T28233] block nbd5: shutting down sockets [ 758.762733][T28310] ? __fget_files+0x359/0x520 12:45:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 758.762763][T28310] ? ksys_dup3+0x3e0/0x3e0 [ 758.762780][T28310] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 758.762795][T28310] ? fput_many+0x12c/0x1a0 [ 758.762823][T28310] tomoyo_file_ioctl+0x23/0x30 [ 758.813834][T28310] security_file_ioctl+0x77/0xc0 [ 758.818804][T28310] ksys_ioctl+0x56/0x180 [ 758.823155][T28310] __x64_sys_ioctl+0x73/0xb0 [ 758.827877][T28310] do_syscall_64+0xfa/0x790 [ 758.832605][T28310] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 758.838725][T28310] RIP: 0033:0x45b399 [ 758.842615][T28310] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 758.862240][T28310] RSP: 002b:00007ff047b63c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 758.870659][T28310] RAX: ffffffffffffffda RBX: 00007ff047b646d4 RCX: 000000000045b399 [ 758.878630][T28310] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 [ 758.886661][T28310] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 758.894721][T28310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 758.902961][T28310] R13: 0000000000000400 R14: 00000000004c5537 R15: 0000000000000001 [ 759.034598][T28305] EXT4-fs (loop2): group quota file already specified [ 759.132334][T20510] block nbd5: Receive control failed (result -107) [ 759.152571][T28314] block nbd5: shutting down sockets [ 759.159187][T28320] block nbd0: shutting down sockets 12:45:11 executing program 1 (fault-call:1 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:45:11 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c60bd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 759.177491][T20510] block nbd4: Receive control failed (result -107) [ 759.187942][T28319] block nbd4: shutting down sockets [ 759.216138][T28320] block nbd0: shutting down sockets 12:45:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 759.292890][T20510] block nbd4: Receive control failed (result -107) [ 759.303062][T28319] block nbd4: shutting down sockets 12:45:11 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x1200, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 759.355304][T28391] FAULT_INJECTION: forcing a failure. [ 759.355304][T28391] name failslab, interval 1, probability 0, space 0, times 0 12:45:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1262, 0xffffffffffffffff) [ 759.457992][T28394] EXT4-fs (loop2): group quota file already specified [ 759.540014][T28391] CPU: 0 PID: 28391 Comm: syz-executor.1 Not tainted 5.5.0-syzkaller #0 [ 759.544809][T20510] block nbd5: Receive control failed (result -107) [ 759.548387][T28391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 759.548395][T28391] Call Trace: [ 759.548423][T28391] dump_stack+0x197/0x210 [ 759.548483][T28391] should_fail.cold+0x5/0xd [ 759.557374][T28439] block nbd5: shutting down sockets [ 759.565321][T28391] ? fault_create_debugfs_attr+0x140/0x140 [ 759.565347][T28391] ? ___might_sleep+0x163/0x2c0 [ 759.565375][T28391] __should_failslab+0xb7/0x100 [ 759.565394][T28391] should_failslab+0x9/0x14 [ 759.565407][T28391] __kmalloc+0x2e0/0x770 [ 759.565429][T28391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.588764][T28394] EXT4-fs (loop2): group quota file already specified [ 759.588955][T28391] ? d_absolute_path+0x11b/0x170 [ 759.625612][T28391] ? __d_path+0x140/0x140 [ 759.629970][T28391] ? tomoyo_encode2.part.0+0xf5/0x400 [ 759.635494][T28391] tomoyo_encode2.part.0+0xf5/0x400 [ 759.640726][T28391] tomoyo_encode+0x2b/0x50 [ 759.645306][T28391] tomoyo_realpath_from_path+0x19c/0x660 [ 759.650985][T28391] tomoyo_path_number_perm+0x1dd/0x520 [ 759.656470][T28391] ? tomoyo_path_number_perm+0x193/0x520 [ 759.661231][T28502] block nbd0: shutting down sockets [ 759.662131][T28391] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 759.662149][T28391] ? __f_unlock_pos+0x19/0x20 [ 759.662185][T28391] ? ___might_sleep+0x163/0x2c0 [ 759.662237][T28391] ? selinux_file_mprotect+0x620/0x620 12:45:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1263, 0xffffffffffffffff) [ 759.687807][T28502] block nbd0: shutting down sockets [ 759.688301][T28391] ? __fget_files+0x359/0x520 [ 759.698212][T28391] ? ksys_dup3+0x3e0/0x3e0 [ 759.702651][T28391] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 759.708921][T28391] ? fput_many+0x12c/0x1a0 [ 759.713523][T28391] tomoyo_file_ioctl+0x23/0x30 [ 759.718336][T28391] security_file_ioctl+0x77/0xc0 [ 759.723334][T28391] ksys_ioctl+0x56/0x180 [ 759.727618][T28391] __x64_sys_ioctl+0x73/0xb0 [ 759.732252][T28391] do_syscall_64+0xfa/0x790 12:45:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x125d) [ 759.736791][T28391] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 759.742894][T28391] RIP: 0033:0x45b399 [ 759.746802][T28391] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 759.766414][T28391] RSP: 002b:00007ff047b63c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 759.774956][T28391] RAX: ffffffffffffffda RBX: 00007ff047b646d4 RCX: 000000000045b399 [ 759.782946][T28391] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 [ 759.790969][T28391] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 759.799350][T28391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 759.807351][T28391] R13: 0000000000000400 R14: 00000000004c5537 R15: 0000000000000002 12:45:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 12:45:11 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x1300, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:11 executing program 1 (fault-call:1 fault-nth:3): r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 759.833372][T28391] ERROR: Out of memory at tomoyo_realpath_from_path. 12:45:11 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c60cd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 759.993101][T20510] block nbd4: Receive control failed (result -107) [ 760.003606][T28552] block nbd4: shutting down sockets [ 760.045570][T28555] block nbd0: shutting down sockets [ 760.074075][T28555] block nbd0: shutting down sockets [ 760.094306][T28568] EXT4-fs (loop2): group quota file already specified [ 760.120730][T20510] block nbd5: Receive control failed (result -107) [ 760.130186][T28557] block nbd5: shutting down sockets [ 760.130538][T20510] block nbd4: Receive control failed (result -107) [ 760.144772][T28552] block nbd4: shutting down sockets 12:45:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x125e) 12:45:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1264, 0xffffffffffffffff) [ 760.181603][T28568] EXT4-fs (loop2): group quota file already specified [ 760.210407][T28573] FAULT_INJECTION: forcing a failure. [ 760.210407][T28573] name failslab, interval 1, probability 0, space 0, times 0 12:45:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) 12:45:12 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c60dd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 760.314688][T28573] CPU: 0 PID: 28573 Comm: syz-executor.1 Not tainted 5.5.0-syzkaller #0 [ 760.323057][T28573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 760.333126][T28573] Call Trace: [ 760.336451][T28573] dump_stack+0x197/0x210 [ 760.341035][T28573] should_fail.cold+0x5/0xd [ 760.345584][T28573] ? fault_create_debugfs_attr+0x140/0x140 [ 760.351417][T28573] ? ___might_sleep+0x163/0x2c0 [ 760.356309][T28573] __should_failslab+0xb7/0x100 [ 760.361198][T28573] should_failslab+0x9/0x14 [ 760.365729][T28573] kmem_cache_alloc_trace+0x2d3/0x790 [ 760.372164][T28573] ? _atomic_dec_and_lock+0x143/0x210 [ 760.377561][T28573] ? _atomic_dec_and_lock_irqsave+0x280/0x280 [ 760.383743][T28573] ? dev_uevent_filter+0xd0/0xd0 [ 760.388702][T28573] kobject_uevent_env+0x22c/0x1200 [ 760.393836][T28573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.400227][T28573] kobject_uevent+0x20/0x30 [ 760.404755][T28573] nbd_size_update+0x2dc/0x620 [ 760.409591][T28573] nbd_ioctl+0x48b/0xc4b [ 760.413858][T28573] ? blkdev_common_ioctl+0xde/0x1810 [ 760.419261][T28573] ? nbd_release+0x150/0x150 [ 760.423877][T28573] ? do_vfs_ioctl+0x11b/0x1350 [ 760.425988][T20510] block nbd4: Receive control failed (result -107) [ 760.428756][T28573] ? ioctl_file_clone+0x180/0x180 [ 760.428773][T28573] ? selinux_file_mprotect+0x620/0x620 [ 760.428796][T28573] ? __fget_files+0x359/0x520 [ 760.438423][T28626] block nbd4: shutting down sockets [ 760.440615][T28573] ? nbd_release+0x150/0x150 [ 760.440638][T28573] blkdev_ioctl+0x263/0x670 [ 760.455863][T28646] block nbd0: shutting down sockets [ 760.455985][T28573] ? blkdev_common_ioctl+0x1810/0x1810 [ 760.475710][T28573] ? fput_many+0x12c/0x1a0 [ 760.480253][T28573] block_ioctl+0xee/0x130 [ 760.484604][T28573] ? blkdev_fallocate+0x400/0x400 [ 760.489741][T28573] ksys_ioctl+0x123/0x180 [ 760.494099][T28573] __x64_sys_ioctl+0x73/0xb0 [ 760.498721][T28573] do_syscall_64+0xfa/0x790 [ 760.501129][T20510] block nbd5: Receive control failed (result -107) [ 760.503256][T28573] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 760.503271][T28573] RIP: 0033:0x45b399 [ 760.503286][T28573] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 760.503300][T28573] RSP: 002b:00007ff047b63c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 760.512207][T20510] block nbd4: Receive control failed (result -107) [ 760.515852][T28573] RAX: ffffffffffffffda RBX: 00007ff047b646d4 RCX: 000000000045b399 [ 760.515860][T28573] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 [ 760.515876][T28573] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 760.515890][T28573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 760.521584][T28626] block nbd4: shutting down sockets [ 760.539630][T28573] R13: 0000000000000400 R14: 00000000004c5537 R15: 0000000000000003 [ 760.557384][T28646] block nbd0: shutting down sockets [ 760.622499][T28648] block nbd5: shutting down sockets [ 760.624651][T28690] EXT4-fs (loop2): group quota file already specified 12:45:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x125f) 12:45:12 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x1400, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 760.744533][T28690] EXT4-fs (loop2): group quota file already specified 12:45:12 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c60ed7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1265, 0xffffffffffffffff) [ 760.980617][T20510] block nbd4: Receive control failed (result -107) [ 760.990626][T28702] block nbd4: shutting down sockets [ 761.012948][T20510] block nbd5: Receive control failed (result -107) [ 761.032227][T28701] block nbd5: shutting down sockets 12:45:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 761.068044][T28748] EXT4-fs (loop2): group quota file already specified [ 761.077914][T20510] block nbd4: Receive control failed (result -107) [ 761.087594][T28702] block nbd4: shutting down sockets 12:45:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1260) [ 761.142314][T28748] EXT4-fs (loop2): group quota file already specified 12:45:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 12:45:13 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x1800, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 761.285393][T28780] block nbd0: shutting down sockets 12:45:13 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c60fd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 761.338856][T28780] block nbd0: shutting down sockets 12:45:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1267, 0xffffffffffffffff) [ 761.462907][T20510] block nbd4: Receive control failed (result -107) [ 761.483398][T28823] block nbd4: shutting down sockets 12:45:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x2, 0x0) [ 761.543040][T20510] block nbd4: Receive control failed (result -107) [ 761.552893][T28823] block nbd4: shutting down sockets [ 761.574851][T28835] block nbd0: shutting down sockets [ 761.601623][T28835] block nbd0: shutting down sockets 12:45:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1268, 0xffffffffffffffff) 12:45:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 761.693542][T28843] EXT4-fs (loop2): group quota file already specified [ 761.731177][T28826] block nbd5: shutting down sockets 12:45:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x10, 0x0) 12:45:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1261) [ 761.874475][T28843] EXT4-fs (loop2): group quota file already specified 12:45:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 761.924449][T29010] block nbd5: shutting down sockets [ 761.940706][T29004] block nbd0: shutting down sockets [ 761.981539][T20510] block nbd4: Receive control failed (result -107) [ 761.992152][T29016] block nbd4: shutting down sockets [ 762.042043][T20510] block nbd4: Receive control failed (result -107) [ 762.049883][T29016] block nbd4: shutting down sockets [ 762.099999][T29064] block nbd5: shutting down sockets 12:45:14 executing program 5 (fault-call:7 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) 12:45:14 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x3580, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1262) 12:45:14 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c610d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1269, 0xffffffffffffffff) 12:45:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x301, 0x0) [ 762.336293][T29074] FAULT_INJECTION: forcing a failure. [ 762.336293][T29074] name failslab, interval 1, probability 0, space 0, times 0 [ 762.400471][T29074] CPU: 1 PID: 29074 Comm: syz-executor.5 Not tainted 5.5.0-syzkaller #0 [ 762.408843][T29074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 762.418931][T29074] Call Trace: [ 762.422344][T29074] dump_stack+0x197/0x210 [ 762.426707][T29074] should_fail.cold+0x5/0xd [ 762.431260][T29074] ? fault_create_debugfs_attr+0x140/0x140 [ 762.437098][T29074] ? ___might_sleep+0x163/0x2c0 [ 762.441990][T29074] __should_failslab+0xb7/0x100 [ 762.447154][T29074] should_failslab+0x9/0x14 [ 762.451697][T29074] __kmalloc+0x2e0/0x770 [ 762.456417][T29074] ? mark_held_locks+0xf0/0xf0 [ 762.461380][T29074] ? _parse_integer+0x190/0x190 [ 762.466563][T29074] ? tomoyo_realpath_from_path+0xc5/0x660 [ 762.472470][T29074] tomoyo_realpath_from_path+0xc5/0x660 [ 762.478141][T29074] ? tomoyo_path_number_perm+0x193/0x520 [ 762.483819][T29074] tomoyo_path_number_perm+0x1dd/0x520 [ 762.489400][T29074] ? tomoyo_path_number_perm+0x193/0x520 [ 762.495105][T29074] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 762.501106][T29074] ? __f_unlock_pos+0x19/0x20 [ 762.505852][T29074] ? ___might_sleep+0x163/0x2c0 [ 762.510776][T29074] ? selinux_file_mprotect+0x620/0x620 [ 762.516383][T29074] ? __fget_files+0x359/0x520 [ 762.521134][T29074] ? ksys_dup3+0x3e0/0x3e0 [ 762.525731][T29074] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.532016][T29074] ? fput_many+0x12c/0x1a0 [ 762.536470][T29074] tomoyo_file_ioctl+0x23/0x30 [ 762.541264][T29074] security_file_ioctl+0x77/0xc0 [ 762.546248][T29074] ksys_ioctl+0x56/0x180 12:45:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x125d, 0x0) [ 762.550523][T29074] __x64_sys_ioctl+0x73/0xb0 [ 762.555234][T29074] do_syscall_64+0xfa/0x790 [ 762.559900][T29074] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 762.565832][T29074] RIP: 0033:0x45b399 [ 762.569769][T29074] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 762.591937][T29074] RSP: 002b:00007fa3d42a3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 762.600453][T29074] RAX: ffffffffffffffda RBX: 00007fa3d42a46d4 RCX: 000000000045b399 [ 762.602854][T20510] block nbd4: Receive control failed (result -107) [ 762.608571][T29074] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 762.608580][T29074] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 762.608588][T29074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 762.608596][T29074] R13: 00000000000003fd R14: 00000000004c54fd R15: 0000000000000000 [ 762.649459][T29075] block nbd0: shutting down sockets [ 762.653592][T29077] block nbd4: shutting down sockets [ 762.672512][T29086] EXT4-fs (loop2): group quota file already specified 12:45:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x125e, 0x0) [ 762.697986][T29077] block nbd4: shutting down sockets 12:45:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1263) [ 762.739797][T29075] block nbd0: shutting down sockets [ 762.758996][T29074] ERROR: Out of memory at tomoyo_realpath_from_path. 12:45:14 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x4000, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1274, 0xffffffffffffffff) [ 762.812723][T29086] EXT4-fs (loop2): group quota file already specified [ 762.953396][T20510] block nbd4: Receive control failed (result -107) [ 762.966368][T29196] block nbd4: shutting down sockets [ 762.989329][T20510] block nbd5: Receive control failed (result -107) [ 762.996533][ T9049] block nbd5: Receive control failed (result -107) 12:45:15 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c611d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 763.013985][T29070] block nbd5: shutting down sockets [ 763.056857][T20510] block nbd4: Receive control failed (result -107) [ 763.082388][T29201] block nbd0: shutting down sockets 12:45:15 executing program 5 (fault-call:7 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 763.112264][T29209] block nbd4: shutting down sockets [ 763.168050][T29239] FAULT_INJECTION: forcing a failure. [ 763.168050][T29239] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 763.181500][T29239] CPU: 0 PID: 29239 Comm: syz-executor.5 Not tainted 5.5.0-syzkaller #0 [ 763.189848][T29239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 763.200003][T29239] Call Trace: [ 763.203331][T29239] dump_stack+0x197/0x210 [ 763.207813][T29239] should_fail.cold+0x5/0xd [ 763.212357][T29239] ? fault_create_debugfs_attr+0x140/0x140 [ 763.218294][T29239] ? __kasan_check_read+0x11/0x20 [ 763.223466][T29239] should_fail_alloc_page+0x50/0x60 [ 763.229386][T29239] __alloc_pages_nodemask+0x1a1/0x910 [ 763.234811][T29239] ? avc_has_extended_perms+0x8e4/0x10f0 [ 763.234846][T29201] block nbd0: shutting down sockets [ 763.240467][T29239] ? __alloc_pages_slowpath+0x2900/0x2900 [ 763.240486][T29239] ? __kasan_check_read+0x11/0x20 [ 763.240525][T29239] cache_grow_begin+0x90/0xc60 [ 763.240548][T29239] ? trace_hardirqs_off+0x62/0x240 [ 763.266405][T29239] __kmalloc+0x6b2/0x770 [ 763.270672][T29239] ? mark_held_locks+0xf0/0xf0 [ 763.275575][T29239] ? tomoyo_realpath_from_path+0xc5/0x660 [ 763.281529][T29239] tomoyo_realpath_from_path+0xc5/0x660 [ 763.287199][T29239] ? tomoyo_path_number_perm+0x193/0x520 [ 763.292896][T29239] tomoyo_path_number_perm+0x1dd/0x520 [ 763.298377][T29239] ? tomoyo_path_number_perm+0x193/0x520 [ 763.304030][T29239] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 763.310003][T29239] ? __f_unlock_pos+0x19/0x20 [ 763.315158][T29239] ? ___might_sleep+0x163/0x2c0 [ 763.320080][T29239] ? selinux_file_mprotect+0x620/0x620 [ 763.325749][T29239] ? __fget_files+0x359/0x520 [ 763.330460][T29239] ? ksys_dup3+0x3e0/0x3e0 [ 763.334899][T29239] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 763.341165][T29239] ? fput_many+0x12c/0x1a0 [ 763.345756][T29239] tomoyo_file_ioctl+0x23/0x30 [ 763.350574][T29239] security_file_ioctl+0x77/0xc0 [ 763.355541][T29239] ksys_ioctl+0x56/0x180 [ 763.359897][T29239] __x64_sys_ioctl+0x73/0xb0 [ 763.364639][T29239] do_syscall_64+0xfa/0x790 [ 763.369234][T29239] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 763.375413][T29239] RIP: 0033:0x45b399 [ 763.379348][T29239] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 763.399067][T29239] RSP: 002b:00007fa3d42a3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 763.407505][T29239] RAX: ffffffffffffffda RBX: 00007fa3d42a46d4 RCX: 000000000045b399 12:45:15 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x5865, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1276, 0xffffffffffffffff) 12:45:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x125f, 0x0) [ 763.415635][T29239] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 763.423624][T29239] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 763.431604][T29239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 763.439596][T29239] R13: 00000000000003fd R14: 00000000004c54fd R15: 0000000000000001 [ 763.458437][T29216] EXT4-fs (loop2): group quota file already specified [ 763.492888][T20510] block nbd5: Receive control failed (result -107) [ 763.500154][T20510] block nbd5: Receive control failed (result -107) [ 763.504251][T29321] block nbd0: shutting down sockets [ 763.517018][T29218] block nbd5: shutting down sockets [ 763.590369][T29321] block nbd0: shutting down sockets 12:45:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1264) 12:45:15 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x6000, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1260, 0x0) [ 763.624809][T29216] EXT4-fs (loop2): group quota file already specified 12:45:15 executing program 5 (fault-call:7 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) 12:45:15 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c612d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1277, 0xffffffffffffffff) [ 763.892139][T20510] block nbd4: Receive control failed (result -107) [ 763.930978][T29438] block nbd4: shutting down sockets 12:45:15 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x6558, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 764.009993][T29513] block nbd0: shutting down sockets [ 764.034033][T29513] block nbd0: shutting down sockets 12:45:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1278, 0xffffffffffffffff) 12:45:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1261, 0x0) [ 764.068051][T20510] block nbd4: Receive control failed (result -107) [ 764.084404][T29438] block nbd4: shutting down sockets 12:45:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1262, 0x0) 12:45:16 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x8035, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 764.246749][T29609] EXT4-fs (loop2): group quota file already specified 12:45:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1263, 0x0) [ 764.356340][T29577] block nbd0: shutting down sockets 12:45:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1265) [ 764.391746][T29609] EXT4-fs (loop2): group quota file already specified [ 764.409092][T29577] block nbd0: shutting down sockets 12:45:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x1279, 0xffffffffffffffff) 12:45:16 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c613d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) 12:45:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1264, 0x0) 12:45:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1265, 0x0) [ 764.669895][T29774] block nbd0: shutting down sockets [ 764.676974][T20510] block nbd4: Receive control failed (result -107) [ 764.697214][T29775] block nbd4: shutting down sockets [ 764.745468][T29774] block nbd0: shutting down sockets [ 764.763479][T29840] EXT4-fs (loop2): group quota file already specified 12:45:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1267, 0x0) [ 764.800439][T29775] block nbd4: shutting down sockets 12:45:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1268, 0x0) 12:45:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1267) 12:45:16 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x8100, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x127a, 0xffffffffffffffff) [ 764.918928][T29840] EXT4-fs (loop2): group quota file already specified 12:45:17 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c614d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 765.026803][T20510] block nbd5: Receive control failed (result -107) [ 765.037504][T20510] block nbd5: Receive control failed (result -107) [ 765.104418][T29817] block nbd5: shutting down sockets [ 765.139343][T20510] block nbd4: Receive control failed (result -107) [ 765.163678][T29900] block nbd4: shutting down sockets [ 765.170135][T29899] block nbd0: shutting down sockets [ 765.213623][T29899] block nbd0: shutting down sockets 12:45:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1269, 0x0) 12:45:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x2) [ 765.250764][T20510] block nbd4: Receive control failed (result -107) [ 765.268746][T29946] EXT4-fs (loop2): group quota file already specified [ 765.283196][T29930] block nbd4: shutting down sockets [ 765.338693][T29946] EXT4-fs (loop2): group quota file already specified 12:45:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x127b, 0xffffffffffffffff) 12:45:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1268) 12:45:17 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c615d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:17 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0xf000, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1274, 0x0) [ 765.586924][T30013] block nbd5: shutting down sockets [ 765.645931][T20510] block nbd4: Receive control failed (result -107) [ 765.653521][T30028] block nbd0: shutting down sockets [ 765.663118][T30029] block nbd4: shutting down sockets [ 765.718817][T20510] block nbd4: Receive control failed (result -107) [ 765.727888][T30029] block nbd4: shutting down sockets 12:45:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x127c, 0xffffffffffffffff) 12:45:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1269) 12:45:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1276, 0x0) [ 765.912309][T30071] EXT4-fs (loop2): group quota file already specified [ 765.963798][T30223] block nbd0: shutting down sockets [ 766.003537][T30223] block nbd0: shutting down sockets 12:45:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x10) 12:45:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1277, 0x0) [ 766.024053][T30071] EXT4-fs (loop2): group quota file already specified 12:45:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x127d, 0xffffffffffffffff) [ 766.135373][T20510] block nbd4: Receive control failed (result -107) [ 766.171510][T30260] block nbd0: shutting down sockets 12:45:18 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0xffff, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1278, 0x0) [ 766.194771][T30224] block nbd4: shutting down sockets [ 766.204213][T30260] block nbd0: shutting down sockets 12:45:18 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c616d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 766.264912][T30269] block nbd5: shutting down sockets [ 766.277806][T30224] block nbd4: shutting down sockets 12:45:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x127e, 0xffffffffffffffff) 12:45:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1274) 12:45:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x301) 12:45:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x1279, 0x0) [ 766.518775][T30379] EXT4-fs (loop2): group quota file already specified [ 766.589462][T20510] block nbd4: Receive control failed (result -107) [ 766.599285][T30382] block nbd4: shutting down sockets [ 766.635589][T20510] block nbd4: Receive control failed (result -107) [ 766.644277][T30382] block nbd4: shutting down sockets 12:45:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1276) [ 766.698256][T30379] EXT4-fs (loop2): group quota file already specified [ 766.758923][T20510] block nbd4: Receive control failed (result -107) [ 766.769817][T30416] block nbd4: shutting down sockets [ 766.798172][T20510] block nbd4: Receive control failed (result -107) [ 766.807151][T30416] block nbd4: shutting down sockets 12:45:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x127a, 0x0) 12:45:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1277) 12:45:18 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c617d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 766.911467][T30404] block nbd0: shutting down sockets [ 766.928041][T30500] block nbd5: shutting down sockets [ 766.939088][T30404] block nbd0: shutting down sockets 12:45:18 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x127f, 0xffffffffffffffff) [ 767.086692][T20510] block nbd4: Receive control failed (result -107) [ 767.103844][T30505] block nbd4: shutting down sockets 12:45:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x127b, 0x0) [ 767.218000][T20510] block nbd4: Receive control failed (result -107) [ 767.226511][T30505] block nbd4: shutting down sockets 12:45:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1278) 12:45:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x125d) 12:45:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x127c, 0x0) [ 767.335751][T30600] EXT4-fs (loop2): group quota file already specified [ 767.350348][T30615] block nbd0: shutting down sockets [ 767.448776][T30600] EXT4-fs (loop2): group quota file already specified [ 767.495277][T20510] block nbd4: Receive control failed (result -107) [ 767.505952][T30679] block nbd4: shutting down sockets [ 767.535513][T30693] block nbd5: shutting down sockets 12:45:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4b47, 0xffffffffffffffff) [ 767.555449][T20510] block nbd4: Receive control failed (result -107) [ 767.564497][T30679] block nbd4: shutting down sockets 12:45:19 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c618d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x1279) 12:45:19 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x2}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x127d, 0x0) 12:45:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x125e) [ 767.777138][T30839] block nbd0: shutting down sockets [ 767.899769][T20510] block nbd4: Receive control failed (result -107) [ 767.906505][T30849] EXT4-fs (loop2): group quota file already specified [ 767.916010][T30843] block nbd4: shutting down sockets [ 767.947447][T20510] block nbd4: Receive control failed (result -107) [ 767.962482][T30843] block nbd4: shutting down sockets [ 767.991008][T30839] block nbd0: shutting down sockets 12:45:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4b49, 0xffffffffffffffff) [ 768.014818][T30847] block nbd5: shutting down sockets [ 768.024419][T30849] EXT4-fs (loop2): group quota file already specified 12:45:20 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c619d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x127a) 12:45:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x127e, 0x0) 12:45:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x3}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x125f) [ 768.300073][T31025] block nbd0: shutting down sockets [ 768.363898][T31025] block nbd0: shutting down sockets [ 768.393546][T31073] EXT4-fs (loop2): group quota file already specified 12:45:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x127f, 0x0) [ 768.427478][T20510] block nbd4: Receive control failed (result -107) [ 768.442698][T31065] block nbd4: shutting down sockets 12:45:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4c00, 0xffffffffffffffff) [ 768.517470][T31073] EXT4-fs (loop2): group quota file already specified 12:45:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x4}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 768.603758][T31079] block nbd5: shutting down sockets 12:45:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x4b47, 0x0) 12:45:20 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c61ad7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x127b) [ 768.748878][T31190] block nbd0: shutting down sockets [ 768.832419][T31190] block nbd0: shutting down sockets 12:45:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1260) 12:45:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x5}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4c01, 0xffffffffffffffff) [ 768.955012][T20510] block nbd4: Receive control failed (result -107) [ 768.992969][T31319] block nbd4: shutting down sockets 12:45:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x4b49, 0x0) [ 769.106132][T20510] block nbd4: Receive control failed (result -107) [ 769.114910][T31319] block nbd4: shutting down sockets [ 769.133246][T31409] EXT4-fs (loop2): group quota file already specified 12:45:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x127c) [ 769.246323][T31407] block nbd5: shutting down sockets [ 769.291902][T31409] EXT4-fs (loop2): group quota file already specified [ 769.326183][T31413] block nbd0: shutting down sockets [ 769.336701][T20510] block nbd4: Receive control failed (result -107) [ 769.348030][T31421] block nbd4: shutting down sockets 12:45:21 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c61bd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 769.393155][T20510] block nbd4: Receive control failed (result -107) [ 769.403004][T31421] block nbd4: shutting down sockets 12:45:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x541b, 0xffffffffffffffff) 12:45:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x4c01, 0x0) 12:45:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x127d) 12:45:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x541b, 0x0) 12:45:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1261) 12:45:21 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x6}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 769.712139][T31588] EXT4-fs (loop2): group quota file already specified [ 769.746430][T20510] block nbd4: Receive control failed (result -107) [ 769.758057][T31640] block nbd4: shutting down sockets 12:45:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x5421, 0x0) 12:45:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x127e) [ 769.826712][T31588] EXT4-fs (loop2): group quota file already specified [ 769.829952][T31637] block nbd0: shutting down sockets [ 769.916371][T31652] block nbd5: shutting down sockets 12:45:21 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c61cd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 770.076097][T20510] block nbd4: Receive control failed (result -107) [ 770.091328][T31668] block nbd4: shutting down sockets 12:45:22 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x8}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x5421, 0xffffffffffffffff) 12:45:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x5450, 0x0) [ 770.140398][T31865] EXT4-fs (loop2): group quota file already specified [ 770.153222][T20510] block nbd4: Receive control failed (result -107) [ 770.165442][T31864] block nbd4: shutting down sockets 12:45:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1262) 12:45:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x127f) 12:45:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x5451, 0x0) [ 770.328462][T31865] EXT4-fs (loop2): group quota file already specified 12:45:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x5452, 0x0) [ 770.438842][T20510] block nbd4: Receive control failed (result -107) [ 770.454107][T31876] block nbd4: shutting down sockets 12:45:22 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c61dd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 770.497036][T31873] block nbd5: shutting down sockets 12:45:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1263) [ 770.645402][T20510] block nbd4: Receive control failed (result -107) [ 770.656984][T31876] block nbd4: shutting down sockets [ 770.694332][T31880] block nbd0: shutting down sockets 12:45:22 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x9}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 770.720377][T32094] EXT4-fs (loop2): group quota file already specified 12:45:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x2203) 12:45:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x5460, 0x0) 12:45:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x5450, 0xffffffffffffffff) [ 770.814970][T32094] EXT4-fs (loop2): group quota file already specified [ 771.008124][T32099] block nbd5: shutting down sockets [ 771.027485][T20510] block nbd4: Receive control failed (result -107) [ 771.042301][T32109] block nbd4: shutting down sockets 12:45:23 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c61ed7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 771.067057][T32110] block nbd0: shutting down sockets [ 771.085258][T20510] block nbd4: Receive control failed (result -107) [ 771.094456][T32109] block nbd4: shutting down sockets 12:45:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x4b47) 12:45:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x6364, 0x0) [ 771.195806][T32110] block nbd0: shutting down sockets 12:45:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xa}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x5451, 0xffffffffffffffff) 12:45:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1264) 12:45:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x8912, 0x0) [ 771.423217][T32328] EXT4-fs (loop2): group quota file already specified [ 771.432708][T20510] block nbd4: Receive control failed (result -107) [ 771.445180][T32324] block nbd4: shutting down sockets 12:45:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x8933, 0x0) [ 771.542806][T32328] EXT4-fs (loop2): group quota file already specified [ 771.543133][T20510] block nbd4: Receive control failed (result -107) [ 771.569227][T32324] block nbd4: shutting down sockets 12:45:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x8955, 0x0) 12:45:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x4b49) 12:45:23 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c621d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 771.676038][T32337] block nbd0: shutting down sockets [ 771.680787][T32335] block nbd5: shutting down sockets [ 771.747696][T32337] block nbd0: shutting down sockets [ 771.768195][T32335] block nbd5: shutting down sockets 12:45:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab00, 0x0) 12:45:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1265) 12:45:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xb}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x5452, 0xffffffffffffffff) [ 771.904596][T20510] block nbd4: Receive control failed (result -107) [ 771.919752][T32427] block nbd4: shutting down sockets [ 771.982215][T32454] EXT4-fs (loop2): group quota file already specified [ 771.992922][T20510] block nbd4: Receive control failed (result -107) [ 772.001658][T32427] block nbd4: shutting down sockets [ 772.101408][T32467] block nbd5: shutting down sockets 12:45:24 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xc}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1267) 12:45:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab01, 0x0) 12:45:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x4c00) [ 772.300687][T32454] EXT4-fs (loop2): group quota file already specified [ 772.403516][T20510] block nbd4: Receive control failed (result -107) [ 772.419136][T32685] block nbd4: shutting down sockets 12:45:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab03, 0x0) [ 772.455690][T32604] block nbd0: shutting down sockets [ 772.473723][T20510] block nbd4: Receive control failed (result -107) [ 772.483893][T32685] block nbd4: shutting down sockets [ 772.494335][T32673] block nbd5: shutting down sockets 12:45:24 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c622d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 772.550318][T32604] block nbd0: shutting down sockets 12:45:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1268) 12:45:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x4c01) 12:45:24 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xe}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x5460, 0xffffffffffffffff) 12:45:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab04, 0x0) [ 772.781915][ T428] EXT4-fs (loop2): group quota file already specified [ 772.896557][ T429] block nbd5: shutting down sockets [ 772.904289][ T428] EXT4-fs (loop2): group quota file already specified [ 772.966656][T20510] block nbd4: Receive control failed (result -107) [ 772.977700][ T437] block nbd4: shutting down sockets [ 772.992524][ T438] block nbd0: shutting down sockets [ 773.028576][ T438] block nbd0: shutting down sockets [ 773.034499][T20510] block nbd4: Receive control failed (result -107) [ 773.043773][ T437] block nbd4: shutting down sockets 12:45:25 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c623d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x6364, 0xffffffffffffffff) [ 773.127207][ T606] block nbd1: shutting down sockets 12:45:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab05, 0x0) 12:45:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x541b) 12:45:25 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xf}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1269) [ 773.413666][T20510] block nbd4: Receive control failed (result -107) [ 773.435654][ T656] block nbd4: shutting down sockets [ 773.461019][ T663] EXT4-fs (loop2): group quota file already specified [ 773.512102][ T662] block nbd0: shutting down sockets [ 773.521127][ T656] block nbd4: shutting down sockets 12:45:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab06, 0x0) [ 773.588733][ T663] EXT4-fs (loop2): group quota file already specified [ 773.594851][ T662] block nbd0: shutting down sockets [ 773.633709][ T672] block nbd5: shutting down sockets 12:45:25 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x10}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x5421) 12:45:25 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c624d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x8912, 0xffffffffffffffff) 12:45:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab07, 0x0) [ 773.961316][T20510] block nbd4: Receive control failed (result -107) [ 773.971990][ T863] block nbd4: shutting down sockets [ 774.020672][T20510] block nbd4: Receive control failed (result -107) [ 774.030077][ T863] block nbd4: shutting down sockets [ 774.060030][ T887] block nbd0: shutting down sockets 12:45:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x8933, 0xffffffffffffffff) 12:45:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1274) [ 774.073919][ T890] EXT4-fs (loop2): group quota file already specified [ 774.089142][ T887] block nbd0: shutting down sockets 12:45:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x5450) 12:45:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab08, 0x0) [ 774.254230][ T890] EXT4-fs (loop2): group quota file already specified [ 774.304430][T20510] block nbd4: Receive control failed (result -107) [ 774.316426][ T923] block nbd4: shutting down sockets 12:45:26 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c625d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 774.381157][T20510] block nbd4: Receive control failed (result -107) [ 774.390313][ T923] block nbd4: shutting down sockets 12:45:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x5451) [ 774.422474][ T1002] block nbd1: NBD_DISCONNECT [ 774.435726][ T1002] block nbd1: Send disconnect failed -32 [ 774.451929][ T940] block nbd5: shutting down sockets 12:45:26 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x11}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab09, 0x0) [ 774.540152][ T1001] block nbd0: shutting down sockets [ 774.572147][ T1029] EXT4-fs (loop2): group quota file already specified 12:45:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab0a, 0x0) [ 774.620541][T20510] block nbd4: Receive control failed (result -107) [ 774.631674][ T1024] block nbd4: shutting down sockets [ 774.649443][ T1001] block nbd0: shutting down sockets 12:45:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1276) [ 774.725851][ T1029] EXT4-fs (loop2): group quota file already specified 12:45:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x5452) 12:45:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab10, 0x0) 12:45:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) [ 774.864454][ T1144] block nbd5: shutting down sockets 12:45:26 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c626d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xae01, 0x0) [ 775.040784][ T1230] block nbd0: shutting down sockets [ 775.052991][T20510] block nbd4: Receive control failed (result -107) [ 775.074505][ T1173] block nbd4: shutting down sockets [ 775.097615][ T1351] EXT4-fs (loop2): group quota file already specified [ 775.134369][T20510] block nbd4: Receive control failed (result -107) 12:45:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1277) [ 775.143188][ T1173] block nbd4: shutting down sockets 12:45:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x5460) 12:45:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab01, 0xffffffffffffffff) [ 775.221908][ T1351] EXT4-fs (loop2): group quota file already specified [ 775.290621][ T1374] block nbd5: shutting down sockets 12:45:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x12}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xae41, 0x0) 12:45:27 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c627d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xae60, 0x0) [ 775.442687][T20510] block nbd4: Receive control failed (result -107) [ 775.457577][ T1445] block nbd4: shutting down sockets [ 775.517104][ T1493] EXT4-fs (loop2): group quota file already specified [ 775.524756][T20510] block nbd4: Receive control failed (result -107) [ 775.532719][ T1445] block nbd4: shutting down sockets 12:45:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1278) 12:45:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xae80, 0x0) [ 775.589541][ T1493] EXT4-fs (loop2): group quota file already specified 12:45:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40045201, 0x0) 12:45:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x6364) [ 775.722803][ T1485] block nbd0: shutting down sockets 12:45:27 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c628d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 775.797823][ T1485] block nbd0: shutting down sockets [ 775.816728][ T1536] block nbd5: shutting down sockets 12:45:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x13}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x400454ca, 0x0) 12:45:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab02, 0xffffffffffffffff) [ 775.923158][T20510] block nbd4: Receive control failed (result -107) [ 775.937836][ T1613] block nbd4: shutting down sockets [ 776.005681][ T1671] EXT4-fs (loop2): group quota file already specified [ 776.014555][T20510] block nbd4: Receive control failed (result -107) [ 776.023742][ T1613] block nbd4: shutting down sockets [ 776.082247][ T1692] block nbd0: shutting down sockets [ 776.128886][ T1692] block nbd0: shutting down sockets 12:45:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab04, 0xffffffffffffffff) 12:45:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x8912) 12:45:28 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c629d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x1279) 12:45:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40049409, 0x0) [ 776.402836][ T1806] EXT4-fs (loop2): group quota file already specified [ 776.411023][T20510] block nbd4: Receive control failed (result -107) [ 776.421275][ T1777] block nbd4: shutting down sockets [ 776.444263][ T1778] block nbd0: shutting down sockets [ 776.464307][T20510] block nbd4: Receive control failed (result -107) [ 776.477568][ T1777] block nbd4: shutting down sockets 12:45:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x14}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40081271, 0x0) [ 776.516519][ T1806] EXT4-fs (loop2): group quota file already specified 12:45:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x8933) 12:45:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab05, 0xffffffffffffffff) 12:45:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40086602, 0x0) [ 776.692696][ T1813] block nbd5: shutting down sockets [ 776.698045][T20510] block nbd4: Receive control failed (result -107) [ 776.708614][ T1868] block nbd4: shutting down sockets 12:45:28 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c62ad7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40087602, 0x0) [ 776.860027][ T1813] block nbd5: shutting down sockets 12:45:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x127a) 12:45:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x8971) 12:45:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x18}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 776.945515][ T2066] block nbd0: shutting down sockets [ 777.036401][ T2066] block nbd0: shutting down sockets 12:45:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40101283, 0x0) [ 777.098580][ T2103] block nbd5: shutting down sockets 12:45:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab06, 0xffffffffffffffff) [ 777.137922][ T2111] EXT4-fs (loop2): group quota file already specified [ 777.167263][T20510] block nbd4: Receive control failed (result -107) [ 777.178124][ T2107] block nbd4: shutting down sockets 12:45:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40101286, 0x0) 12:45:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x127b) [ 777.324295][ T2259] block nbd0: shutting down sockets [ 777.333224][ T2111] EXT4-fs (loop2): group quota file already specified [ 777.340906][ T2257] block nbd4: shutting down sockets [ 777.356582][ T2259] block nbd0: shutting down sockets 12:45:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab07, 0xffffffffffffffff) 12:45:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab00) 12:45:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40101288, 0x0) 12:45:29 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c62bd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:29 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x60}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 777.540052][ T2317] block nbd5: shutting down sockets [ 777.568648][ T2334] block nbd0: shutting down sockets [ 777.662024][ T2334] block nbd0: shutting down sockets [ 777.667820][T20510] block nbd4: Receive control failed (result -107) [ 777.684279][ T2336] block nbd4: shutting down sockets 12:45:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab08, 0xffffffffffffffff) [ 777.792209][T20510] block nbd4: Receive control failed (result -107) [ 777.802308][ T2336] block nbd4: shutting down sockets [ 777.847334][ T2485] block nbd0: NBD_DISCONNECT [ 777.853499][ T2485] block nbd0: Send disconnect failed -32 [ 777.859316][ T2485] block nbd0: Send disconnect failed -32 [ 777.865868][ T2468] block nbd0: Disconnected due to user request. [ 777.872296][ T2468] block nbd0: shutting down sockets [ 777.888769][ T2485] block nbd0: Device being setup by another task 12:45:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x401070c9, 0x0) 12:45:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x127c) 12:45:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab01) [ 777.955005][ T2497] EXT4-fs (loop2): group quota file already specified 12:45:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xf0}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 778.030899][ T2499] block nbd0: NBD_DISCONNECT [ 778.048558][ T2499] block nbd0: Send disconnect failed -32 [ 778.092306][ T2497] EXT4-fs (loop2): group quota file already specified 12:45:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x401070ca, 0x0) 12:45:30 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c62cd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 778.164681][ T2499] block nbd0: Disconnected due to user request. [ 778.246398][ T2499] block nbd0: shutting down sockets [ 778.285815][T20510] block nbd4: Receive control failed (result -107) [ 778.297468][ T2619] block nbd4: shutting down sockets 12:45:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x300}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab09, 0xffffffffffffffff) [ 778.330946][ T2680] EXT4-fs (loop2): group quota file already specified [ 778.356145][ T2585] block nbd5: shutting down sockets [ 778.356583][T20510] block nbd4: Receive control failed (result -107) [ 778.370873][ T2619] block nbd4: shutting down sockets 12:45:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab02) [ 778.452245][ T2680] EXT4-fs (loop2): group quota file already specified 12:45:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab0a, 0xffffffffffffffff) [ 778.536294][ T2783] block nbd0: shutting down sockets [ 778.560090][ T2783] block nbd0: shutting down sockets 12:45:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x127d) 12:45:30 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c62dd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x401070cd, 0x0) [ 778.687183][T20510] block nbd4: Receive control failed (result -107) [ 778.698061][ T2786] block nbd4: shutting down sockets [ 778.779011][T20510] block nbd4: Receive control failed (result -107) [ 778.782751][ T2832] block nbd0: shutting down sockets [ 778.812819][ T2786] block nbd4: shutting down sockets 12:45:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x40186366, 0x0) [ 778.864090][ T2904] block nbd5: shutting down sockets 12:45:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x500}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 778.918034][ T2923] EXT4-fs (loop2): group quota file already specified [ 778.934841][ T2832] block nbd0: shutting down sockets 12:45:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab04) [ 779.013062][ T2923] EXT4-fs (loop2): group quota file already specified 12:45:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x127e) 12:45:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x401870c8, 0x0) 12:45:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab10, 0xffffffffffffffff) [ 779.216953][ T3044] block nbd5: shutting down sockets 12:45:31 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c62ed7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 779.307892][T20510] block nbd4: Receive control failed (result -107) [ 779.317629][ T3053] block nbd4: shutting down sockets 12:45:31 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x600}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x127f) 12:45:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x401870cb, 0x0) [ 779.510193][ T3057] block nbd0: shutting down sockets [ 779.521128][ T3262] EXT4-fs (loop2): group quota file already specified [ 779.580634][ T3057] block nbd0: shutting down sockets 12:45:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab14, 0xffffffffffffffff) 12:45:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab05) 12:45:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x401870cc, 0x0) [ 779.676931][ T3266] block nbd5: shutting down sockets [ 779.719139][ T3262] EXT4-fs (loop2): group quota file already specified [ 779.772358][ T3280] block nbd0: shutting down sockets 12:45:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x4b47) [ 779.819381][T20510] block nbd4: Receive control failed (result -107) [ 779.834469][ T3277] block nbd4: shutting down sockets [ 779.889902][ T3490] block nbd5: shutting down sockets 12:45:31 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c62fd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 779.987989][T20510] block nbd4: Receive control failed (result -107) [ 779.996857][ T3277] block nbd4: shutting down sockets 12:45:32 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x608}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x4020940d, 0x0) 12:45:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xae01, 0xffffffffffffffff) 12:45:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x4b49) [ 780.158987][ T3628] EXT4-fs (loop2): group quota file already specified 12:45:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab06) 12:45:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x4020ae46, 0x0) [ 780.262661][ T3628] EXT4-fs (loop2): group quota file already specified [ 780.272424][ T3627] block nbd0: shutting down sockets 12:45:32 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c630d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xae41, 0xffffffffffffffff) [ 780.310908][ T3627] block nbd0: shutting down sockets 12:45:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x4040ae77, 0x0) [ 780.435122][ T3630] block nbd5: shutting down sockets [ 780.451084][T20510] block nbd4: Receive control failed (result -107) [ 780.473377][ T3643] block nbd4: shutting down sockets 12:45:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x4090ae82, 0x0) [ 780.527638][ T3649] EXT4-fs (loop2): group quota file already specified [ 780.571086][ T3643] block nbd4: shutting down sockets 12:45:32 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c631d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x80041284, 0x0) 12:45:32 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x806}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab07) [ 780.702708][ T3818] block nbd0: shutting down sockets 12:45:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x4c01) [ 780.784114][ T3818] block nbd0: shutting down sockets [ 780.854467][ T3894] EXT4-fs (loop2): group quota file already specified 12:45:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xae60, 0xffffffffffffffff) 12:45:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x80041285, 0x0) [ 780.997058][ T3898] block nbd5: shutting down sockets [ 781.030351][T20510] block nbd4: Receive control failed (result -107) [ 781.043895][ T3906] block nbd4: shutting down sockets 12:45:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x800454d2, 0x0) [ 781.092692][T20510] block nbd4: Receive control failed (result -107) [ 781.108359][ T3906] block nbd4: shutting down sockets 12:45:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab08) [ 781.149908][ T3894] EXT4-fs (loop2): group quota file already specified 12:45:33 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x900}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 781.222756][ T3978] block nbd0: shutting down sockets 12:45:33 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c632d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 781.343477][ T3978] block nbd0: shutting down sockets [ 781.384202][T20510] block nbd4: Receive control failed (result -107) [ 781.394929][ T4126] block nbd4: NBD_DISCONNECT 12:45:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x541b) 12:45:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x80081270, 0x0) [ 781.437734][ T4126] block nbd4: Send disconnect failed -32 [ 781.475433][ T4092] block nbd4: shutting down sockets 12:45:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xaf01, 0xffffffffffffffff) 12:45:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x80081272, 0x0) [ 781.552040][T20510] block nbd4: Receive control failed (result -107) [ 781.563278][ T4132] EXT4-fs (loop2): group quota file already specified [ 781.570800][ T4092] block nbd4: shutting down sockets [ 781.578871][ T4144] block nbd5: shutting down sockets [ 781.633515][ T4132] EXT4-fs (loop2): group quota file already specified 12:45:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x80086301, 0x0) 12:45:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab09) [ 781.722656][ T4185] block nbd0: shutting down sockets 12:45:33 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c633d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:33 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xa00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x400454ca, 0xffffffffffffffff) [ 781.897978][T20510] block nbd4: Receive control failed (result -107) [ 781.909171][ T4316] block nbd4: shutting down sockets [ 782.047894][ T4380] block nbd0: shutting down sockets [ 782.075845][ T4380] block nbd0: shutting down sockets 12:45:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x5421) 12:45:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab0a) [ 782.102056][ T4370] EXT4-fs (loop2): group quota file already specified 12:45:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x80086601, 0x0) 12:45:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x40049409, 0xffffffffffffffff) [ 782.236291][ T4370] EXT4-fs (loop2): group quota file already specified 12:45:34 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c634d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 782.305825][ T4442] block nbd5: shutting down sockets 12:45:34 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xb00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x80087601, 0x0) [ 782.482321][ T4493] block nbd0: shutting down sockets [ 782.488510][T20510] block nbd4: Receive control failed (result -107) [ 782.499524][ T4508] block nbd4: shutting down sockets [ 782.559609][T20510] block nbd4: Receive control failed (result -107) [ 782.572494][ T4508] block nbd4: shutting down sockets 12:45:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab10) [ 782.611332][ T4493] block nbd0: shutting down sockets [ 782.619001][ T4605] EXT4-fs (loop2): group quota file already specified 12:45:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0x8048ae66, 0x0) 12:45:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4004af61, 0xffffffffffffffff) 12:45:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x5450) 12:45:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xc0045878, 0x0) [ 782.852838][T20510] block nbd4: Receive control failed (result -107) [ 782.852920][ T4605] EXT4-fs (loop2): group quota file already specified [ 782.863200][ T4709] block nbd4: shutting down sockets [ 782.908210][ T4719] block nbd5: shutting down sockets 12:45:34 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xc00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 782.941312][T20510] block nbd4: Receive control failed (result -107) [ 782.952055][ T4709] block nbd4: shutting down sockets 12:45:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x5451) 12:45:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xc0045878, 0x0) 12:45:35 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c635d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xae01) [ 783.083583][ T4718] block nbd0: shutting down sockets 12:45:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x40081271, 0xffffffffffffffff) [ 783.267485][ T4833] block nbd5: shutting down sockets 12:45:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xc0101282, 0x0) [ 783.304382][ T4840] EXT4-fs (loop2): group quota file already specified [ 783.324867][T20510] block nbd4: Receive control failed (result -107) [ 783.352973][ T4837] block nbd4: shutting down sockets [ 783.428711][ T5026] block nbd0: shutting down sockets [ 783.451768][ T5026] block nbd0: shutting down sockets 12:45:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x40086602, 0xffffffffffffffff) 12:45:35 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xe00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x5452) [ 783.509141][ T4840] EXT4-fs (loop2): group quota file already specified [ 783.530358][T20510] block nbd4: Receive control failed (result -107) [ 783.539332][ T4837] block nbd4: shutting down sockets [ 783.623688][ T5056] block nbd5: shutting down sockets [ 783.698470][ T5061] block nbd0: shutting down sockets 12:45:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xc0189436, 0x0) 12:45:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xae41) 12:45:35 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c636d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 783.765815][ T5061] block nbd0: shutting down sockets 12:45:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x40087602, 0xffffffffffffffff) 12:45:36 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xf00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x5460) [ 783.980554][T20510] block nbd4: Receive control failed (result -107) [ 783.990931][ T5257] block nbd4: shutting down sockets [ 784.017548][ T5273] EXT4-fs (loop2): group quota file already specified [ 784.055724][T20510] block nbd4: Receive control failed (result -107) [ 784.064895][ T5257] block nbd4: shutting down sockets 12:45:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xae60) 12:45:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xc020660b, 0x0) [ 784.183861][T20510] block nbd4: Receive control failed (result -107) [ 784.196385][ T5284] block nbd4: shutting down sockets [ 784.220288][ T5284] block nbd4: shutting down sockets 12:45:36 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c637d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 784.256495][ T5273] EXT4-fs (loop2): group quota file already specified [ 784.286091][ T5277] block nbd0: shutting down sockets 12:45:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xae80) [ 784.355075][ T5287] block nbd5: shutting down sockets [ 784.379401][ T5277] block nbd0: shutting down sockets 12:45:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xc0481273, 0x0) 12:45:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4008af03, 0xffffffffffffffff) [ 784.483545][ T5338] EXT4-fs (loop2): group quota file already specified 12:45:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x6364) [ 784.587924][ T5338] EXT4-fs (loop2): group quota file already specified 12:45:36 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x1100}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 784.630652][ T5414] block nbd4: shutting down sockets 12:45:36 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c638d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x2) [ 784.717552][ T5510] block nbd0: shutting down sockets 12:45:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x400454ca) [ 784.822632][ T5510] block nbd0: shutting down sockets [ 784.825151][ T5512] block nbd5: shutting down sockets 12:45:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x40101283, 0xffffffffffffffff) 12:45:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3) [ 784.938194][ T5523] EXT4-fs (loop2): group quota file already specified [ 785.027869][T20510] block nbd4: Receive control failed (result -107) [ 785.038441][ T5563] block nbd4: shutting down sockets [ 785.063132][ T5523] EXT4-fs (loop2): group quota file already specified 12:45:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4) 12:45:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x400454de) 12:45:37 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c639d7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 785.164380][ T5687] block nbd0: shutting down sockets [ 785.203383][ T5687] block nbd0: shutting down sockets 12:45:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x8912) 12:45:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x1200}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x40101286, 0xffffffffffffffff) [ 785.424475][T20510] block nbd4: Receive control failed (result -107) [ 785.444153][ T5744] block nbd4: shutting down sockets [ 785.449638][ T5751] EXT4-fs (loop2): group quota file already specified 12:45:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40049409) [ 785.489694][T20510] block nbd4: Receive control failed (result -107) [ 785.498365][ T5744] block nbd4: shutting down sockets 12:45:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x5) [ 785.564002][ T5748] block nbd5: shutting down sockets [ 785.600886][ T5751] EXT4-fs (loop2): group quota file already specified [ 785.624088][ T5755] block nbd0: shutting down sockets 12:45:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6) [ 785.688975][ T5755] block nbd0: shutting down sockets 12:45:37 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63ad7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x40101288, 0xffffffffffffffff) [ 785.764297][T20510] block nbd4: Receive control failed (result -107) [ 785.779363][ T5764] block nbd4: shutting down sockets 12:45:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x1300}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7) 12:45:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x8933) [ 785.912785][ T5973] block nbd4: Could not allocate knbd recv work queue. [ 785.952035][ T5973] block nbd4: shutting down sockets 12:45:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40081271) [ 786.039242][ T5979] block nbd0: shutting down sockets [ 786.039274][ T5982] EXT4-fs (loop2): group quota file already specified [ 786.108299][ T5979] block nbd0: shutting down sockets [ 786.142831][ T5985] block nbd5: shutting down sockets [ 786.158415][ T5982] EXT4-fs (loop2): group quota file already specified 12:45:38 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63bd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x401070c9, 0xffffffffffffffff) 12:45:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x8) 12:45:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x1400}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x8980) [ 786.543579][ T6208] EXT4-fs (loop2): group quota file already specified 12:45:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x10) [ 786.590885][T20510] block nbd4: Receive control failed (result -107) [ 786.621338][ T6211] block nbd4: shutting down sockets [ 786.632858][ T6198] block nbd0: shutting down sockets [ 786.668981][ T6207] block nbd5: shutting down sockets 12:45:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x1800}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 786.690082][ T6208] EXT4-fs (loop2): group quota file already specified [ 786.763176][T20510] block nbd4: Receive control failed (result -107) [ 786.772796][ T6211] block nbd4: shutting down sockets 12:45:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x48) 12:45:38 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c64bd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40086602) 12:45:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x401070ca, 0xffffffffffffffff) 12:45:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x3580}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab00) 12:45:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4c) [ 787.151536][ T6531] block nbd0: shutting down sockets [ 787.175001][T20510] block nbd4: Receive control failed (result -107) [ 787.186431][ T6530] block nbd4: shutting down sockets [ 787.304511][ T6541] block nbd5: shutting down sockets [ 787.309946][ T6545] EXT4-fs (loop2): group quota file already specified [ 787.330654][ T6531] block nbd0: shutting down sockets 12:45:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x68) 12:45:39 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x4000}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x401070cd, 0xffffffffffffffff) 12:45:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40087602) 12:45:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6c) [ 787.552789][ T6545] EXT4-fs (loop2): group quota file already specified 12:45:39 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x5865}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:39 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd703c6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 787.679604][ T6548] block nbd5: shutting down sockets 12:45:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab01) [ 787.742793][T20510] block nbd4: Receive control failed (result -107) [ 787.761617][ T6864] block nbd4: shutting down sockets [ 787.767847][ T6766] block nbd0: shutting down sockets 12:45:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x40186366, 0xffffffffffffffff) 12:45:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40101283) 12:45:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x74) 12:45:40 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x6000}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 788.030506][ T6969] EXT4-fs (loop2): group quota file already specified [ 788.047077][ T6880] block nbd5: shutting down sockets [ 788.095416][ T6982] block nbd0: shutting down sockets [ 788.132464][ T6969] EXT4-fs (loop2): group quota file already specified [ 788.172193][T20510] block nbd4: Receive control failed (result -107) 12:45:40 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc65c0253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 788.204316][ T6990] block nbd4: shutting down sockets [ 788.243239][ T6982] block nbd0: shutting down sockets 12:45:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7a) 12:45:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x401870c8, 0xffffffffffffffff) [ 788.351779][T20510] block nbd4: Receive control failed (result -107) [ 788.361243][ T6990] block nbd4: shutting down sockets 12:45:40 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x6558}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 788.477251][ T7205] block nbd0: shutting down sockets 12:45:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab02) 12:45:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40101286) [ 788.573709][ T7205] block nbd0: shutting down sockets 12:45:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x300) [ 788.632708][ T7214] EXT4-fs (loop2): group quota file already specified 12:45:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x401870cb, 0xffffffffffffffff) [ 788.746425][T20510] block nbd4: Receive control failed (result -107) [ 788.759871][ T7214] EXT4-fs (loop2): group quota file already specified [ 788.785973][ T7221] block nbd4: shutting down sockets 12:45:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x500) [ 788.796132][ T7218] block nbd5: shutting down sockets [ 788.895131][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 788.907069][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 788.916654][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 788.927715][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 788.933061][ T7262] block nbd4: Could not allocate knbd recv work queue. [ 788.936249][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 788.953756][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 788.963121][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 788.974548][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 788.983245][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 12:45:41 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760353ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 788.994404][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 789.003648][ T7272] ldm_validate_partition_table(): Disk read failed. [ 789.010916][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 789.022071][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 789.030038][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 789.041053][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 789.042145][ T7262] block nbd4: shutting down sockets [ 789.051283][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 789.067279][ T7252] block nbd0: shutting down sockets [ 789.072027][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 789.080759][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 789.092040][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 789.100295][ T7272] Dev nbd1: unable to read RDB block 0 [ 789.114011][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 789.125195][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 789.137865][ T7272] nbd1: unable to read partition table 12:45:41 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x8035}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 789.144967][ T7252] block nbd0: shutting down sockets [ 789.163424][ T7272] nbd1: partition table beyond EOD, truncated 12:45:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab04) 12:45:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40101288) 12:45:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x401870cc, 0xffffffffffffffff) [ 789.233888][ T7441] EXT4-fs (loop2): group quota file already specified 12:45:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x600) [ 789.297972][ T7441] EXT4-fs (loop2): group quota file already specified [ 789.369727][T20510] block nbd4: Receive control failed (result -107) [ 789.380511][ T7447] block nbd4: shutting down sockets [ 789.446730][T20510] block nbd4: Receive control failed (result -107) [ 789.454824][ T7447] block nbd4: shutting down sockets 12:45:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x401070c9) [ 789.516464][ T7456] ldm_validate_partition_table(): Disk read failed. [ 789.526330][ T7456] Dev nbd1: unable to read RDB block 0 [ 789.536472][ T7456] nbd1: unable to read partition table [ 789.554859][ T7456] nbd1: partition table beyond EOD, truncated 12:45:41 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760453ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 789.586926][ T7456] ldm_validate_partition_table(): Disk read failed. [ 789.625890][ T7456] Dev nbd1: unable to read RDB block 0 12:45:41 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x8100}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 789.638611][ T7456] nbd1: unable to read partition table [ 789.647269][ T7561] block nbd5: shutting down sockets [ 789.652582][ T7456] nbd1: partition table beyond EOD, truncated [ 789.670325][T20510] block nbd4: Receive control failed (result -107) 12:45:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x700) [ 789.684221][ T7562] block nbd4: shutting down sockets [ 789.722692][ T7567] block nbd0: Device being setup by another task [ 789.775907][T20510] block nbd4: Receive control failed (result -107) [ 789.797814][ T7562] block nbd4: shutting down sockets [ 789.820018][ T7453] block nbd0: shutting down sockets 12:45:41 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xf000}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 789.907533][ T7453] block nbd0: shutting down sockets [ 789.918980][ T7732] ldm_validate_partition_table(): Disk read failed. 12:45:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x401070ca) 12:45:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4020940d, 0xffffffffffffffff) 12:45:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab05) [ 790.082055][ T7765] EXT4-fs (loop2): group quota file already specified [ 790.089252][ T7732] Dev nbd1: unable to read RDB block 0 [ 790.122190][ T7732] nbd1: unable to read partition table [ 790.187079][ T7732] nbd1: partition table beyond EOD, truncated [ 790.208017][ T7765] EXT4-fs (loop2): group quota file already specified [ 790.211054][ T7791] block nbd0: shutting down sockets [ 790.225448][ T7732] ldm_validate_partition_table(): Disk read failed. [ 790.238181][ T7732] Dev nbd1: unable to read RDB block 0 [ 790.245177][ T7791] block nbd0: shutting down sockets [ 790.245363][ T7732] nbd1: unable to read partition table [ 790.257254][ T7732] nbd1: partition table beyond EOD, truncated [ 790.298453][ T7792] block nbd5: shutting down sockets [ 790.305415][T20510] block nbd4: Receive control failed (result -107) [ 790.315839][ T7788] block nbd4: shutting down sockets 12:45:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4020ae46, 0xffffffffffffffff) 12:45:42 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760553ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x10f2) 12:45:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab06) [ 790.435045][ T7792] block nbd5: shutting down sockets [ 790.459312][ T7788] block nbd4: shutting down sockets [ 790.495821][ T7978] block nbd0: shutting down sockets 12:45:42 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0xffff}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 790.566922][ T7978] block nbd0: shutting down sockets 12:45:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x401070cd) [ 790.594770][ T8015] ldm_validate_partition_table(): Disk read failed. [ 790.644222][ T8008] block nbd5: shutting down sockets 12:45:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4028af11, 0xffffffffffffffff) [ 790.678372][ T8015] Dev nbd1: unable to read RDB block 0 [ 790.687933][ T8015] nbd1: unable to read partition table [ 790.730026][ T8015] nbd1: partition table beyond EOD, truncated [ 790.742416][ T8016] EXT4-fs (loop2): group quota file already specified 12:45:42 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760653ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 790.885220][ T8015] ldm_validate_partition_table(): Disk read failed. [ 790.912150][ T8015] Dev nbd1: unable to read RDB block 0 [ 790.930316][T20510] block nbd4: Receive control failed (result -107) [ 790.945357][ T8025] block nbd4: shutting down sockets [ 790.949973][ T8015] nbd1: unable to read partition table 12:45:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1f00) [ 790.979411][ T8071] block nbd0: shutting down sockets [ 790.985283][ T8015] nbd1: partition table beyond EOD, truncated [ 791.027036][ T8160] EXT4-fs (loop2): group quota file already specified [ 791.041206][ T8071] block nbd0: shutting down sockets [ 791.062984][ T8157] block nbd4: Could not allocate knbd recv work queue. [ 791.070046][ T8157] block nbd4: shutting down sockets 12:45:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab07) 12:45:43 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 791.135668][ T8240] ldm_validate_partition_table(): Disk read failed. 12:45:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x4040ae77, 0xffffffffffffffff) [ 791.196820][ T8160] EXT4-fs (loop2): group quota file already specified [ 791.214107][ T8240] Dev nbd1: unable to read RDB block 0 [ 791.272765][ T8240] nbd1: unable to read partition table 12:45:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40186366) [ 791.325388][ T8240] nbd1: partition table beyond EOD, truncated [ 791.350886][ T8243] block nbd5: shutting down sockets [ 791.373556][ T8240] ldm_validate_partition_table(): Disk read failed. 12:45:43 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x2}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:43 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760753ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 791.403316][ T8240] Dev nbd1: unable to read RDB block 0 [ 791.429448][ T8240] nbd1: unable to read partition table [ 791.455869][ T8240] nbd1: partition table beyond EOD, truncated [ 791.520562][ T8352] block nbd0: shutting down sockets 12:45:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x2000) 12:45:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab08) [ 791.579990][ T8352] block nbd0: shutting down sockets [ 791.585069][ T8243] block nbd5: shutting down sockets [ 791.609028][T20510] block nbd4: Receive control failed (result -107) [ 791.641540][ T8457] block nbd4: shutting down sockets [ 791.700618][ T8474] block nbd5: NBD_DISCONNECT [ 791.710577][ T8474] block nbd5: Send disconnect failed -32 [ 791.717850][ T8474] block nbd5: Send disconnect failed -32 [ 791.724529][ T8471] block nbd5: Disconnected due to user request. [ 791.730825][ T8471] block nbd5: shutting down sockets 12:45:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab09) [ 791.757376][ T8471] block nbd5: shutting down sockets [ 791.803047][ T8515] ldm_validate_partition_table(): Disk read failed. [ 791.820991][T20510] block nbd4: Receive control failed (result -107) [ 791.823406][ T8504] block nbd4: shutting down sockets [ 791.830245][ T8515] Dev nbd1: unable to read RDB block 0 12:45:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x80041284, 0xffffffffffffffff) [ 791.859406][ T8515] nbd1: unable to read partition table 12:45:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x401870c8) [ 791.942343][ T8531] EXT4-fs (loop2): group quota file already specified [ 791.956620][ T8515] nbd1: partition table beyond EOD, truncated 12:45:44 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x3}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 792.032555][ T8575] block nbd5: shutting down sockets [ 792.039171][ T8515] ldm_validate_partition_table(): Disk read failed. [ 792.098693][ T8580] block nbd0: shutting down sockets [ 792.105148][ T8531] EXT4-fs (loop2): group quota file already specified [ 792.105583][T20510] block nbd4: Receive control failed (result -107) [ 792.122896][ T8581] block nbd4: shutting down sockets [ 792.126023][ T8515] Dev nbd1: unable to read RDB block 0 [ 792.170288][T20510] block nbd4: Receive control failed (result -107) [ 792.178543][ T8581] block nbd4: shutting down sockets [ 792.192943][ T8515] nbd1: unable to read partition table [ 792.195169][ T8580] block nbd0: shutting down sockets [ 792.198882][ T8515] nbd1: partition table beyond EOD, truncated 12:45:44 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760853ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3f00) 12:45:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x401870cb) 12:45:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x80041285, 0xffffffffffffffff) 12:45:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab0a) [ 792.393383][ T8708] ldm_validate_partition_table(): Disk read failed. [ 792.428103][ T8720] EXT4-fs (loop2): group quota file already specified [ 792.454608][ T8708] Dev nbd1: unable to read RDB block 0 [ 792.482417][ T8708] nbd1: unable to read partition table [ 792.501905][ T8708] nbd1: partition table beyond EOD, truncated [ 792.515117][ T8720] EXT4-fs (loop2): group quota file already specified [ 792.559875][ T8708] ldm_validate_partition_table(): Disk read failed. 12:45:44 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760953ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 792.615701][ T8754] block nbd0: shutting down sockets [ 792.631207][T20510] block nbd4: Receive control failed (result -107) [ 792.641130][ T8740] block nbd4: shutting down sockets [ 792.683063][ T8754] block nbd0: shutting down sockets [ 792.716463][ T8830] EXT4-fs (loop2): group quota file already specified [ 792.717699][ T8708] Dev nbd1: unable to read RDB block 0 [ 792.747395][T20510] block nbd4: Receive control failed (result -107) [ 792.757181][ T8740] block nbd4: shutting down sockets 12:45:44 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760a53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:44 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x4}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x800454d2, 0xffffffffffffffff) [ 792.775192][ T8708] nbd1: unable to read partition table [ 792.781150][ T8708] nbd1: partition table beyond EOD, truncated 12:45:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4000) 12:45:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab10) 12:45:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x401870cc) [ 793.071590][ T8928] block nbd0: shutting down sockets [ 793.112333][ T8929] EXT4-fs (loop2): group quota file already specified [ 793.144063][ T9000] ldm_validate_partition_table(): Disk read failed. [ 793.154656][ T8928] block nbd0: shutting down sockets 12:45:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x5}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 793.165871][ T9000] Dev nbd1: unable to read RDB block 0 [ 793.184655][ T9000] nbd1: unable to read partition table [ 793.190721][ T9000] nbd1: partition table beyond EOD, truncated [ 793.197767][T20510] block nbd4: Receive control failed (result -107) [ 793.207866][ T8998] block nbd4: shutting down sockets [ 793.252207][T20510] block nbd4: Receive control failed (result -107) [ 793.261125][ T8998] block nbd4: shutting down sockets [ 793.263484][ T9000] ldm_validate_partition_table(): Disk read failed. [ 793.282889][ T8990] block nbd5: shutting down sockets 12:45:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x4020940d) 12:45:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x80081270, 0xffffffffffffffff) [ 793.322061][ T8929] EXT4-fs (loop2): group quota file already specified 12:45:45 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6761053ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 793.402531][ T9000] Dev nbd1: unable to read RDB block 0 [ 793.410714][ T9000] nbd1: unable to read partition table [ 793.431913][ T9000] nbd1: partition table beyond EOD, truncated [ 793.494563][T20510] block nbd4: Receive control failed (result -107) [ 793.505328][ T9068] block nbd4: shutting down sockets 12:45:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4800) [ 793.585354][T20510] block nbd4: Receive control failed (result -107) [ 793.593260][ T9068] block nbd4: shutting down sockets [ 793.651511][ T9263] EXT4-fs (loop2): group quota file already specified [ 793.663014][ T9266] ldm_validate_partition_table(): Disk read failed. [ 793.670820][ T9266] Dev nbd1: unable to read RDB block 0 [ 793.681624][ T9266] nbd1: unable to read partition table [ 793.688888][ T9266] nbd1: partition table beyond EOD, truncated [ 793.696376][ T9136] block nbd0: shutting down sockets 12:45:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x6}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x4020ae46) [ 793.703975][ T9266] ldm_validate_partition_table(): Disk read failed. [ 793.713299][ T9266] Dev nbd1: unable to read RDB block 0 [ 793.721479][ T9266] nbd1: unable to read partition table 12:45:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4c00) 12:45:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x400454ca) 12:45:45 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6761453ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 793.788543][ T9136] block nbd0: shutting down sockets 12:45:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x80081272, 0xffffffffffffffff) [ 793.979961][ T2628] print_req_error: 246 callbacks suppressed [ 793.979977][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 793.998787][ T2628] buffer_io_error: 246 callbacks suppressed [ 793.998803][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 794.021522][ T9304] EXT4-fs (loop2): group quota file already specified [ 794.029309][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 794.029330][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 794.031237][ T2628] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 794.060334][T20510] block nbd4: Receive control failed (result -107) [ 794.065632][ T9315] block nbd0: shutting down sockets [ 794.068979][ T2628] Buffer I/O error on dev nbd1, logical block 2, async page read [ 794.082057][ T2628] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 794.085591][ T9276] block nbd4: shutting down sockets [ 794.093376][ T2628] Buffer I/O error on dev nbd1, logical block 3, async page read [ 794.109180][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 794.113777][ T9315] block nbd0: shutting down sockets [ 794.120569][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 794.141860][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 794.153178][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 794.160939][ T2628] Buffer I/O error on dev nbd1, logical block 2, async page read [ 794.169169][ T2628] Buffer I/O error on dev nbd1, logical block 3, async page read [ 794.177636][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 794.189351][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 794.199640][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 794.210654][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 794.220053][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 794.233634][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 794.235524][ T9275] block nbd5: shutting down sockets [ 794.246479][ T9289] ldm_validate_partition_table(): Disk read failed. [ 794.270120][T20510] block nbd4: Receive control failed (result -107) 12:45:46 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x8}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x80086301, 0xffffffffffffffff) [ 794.279888][ T9276] block nbd4: shutting down sockets [ 794.292752][ T9289] Dev nbd1: unable to read RDB block 0 [ 794.311632][ T9304] EXT4-fs (loop2): group quota file already specified [ 794.346428][ T9289] nbd1: unable to read partition table [ 794.421500][ T9289] ldm_validate_partition_table(): Disk read failed. 12:45:46 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6763c53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x40286608) 12:45:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x40049409) [ 794.500510][ T9289] Dev nbd1: unable to read RDB block 0 [ 794.510353][ T9289] nbd1: unable to read partition table 12:45:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6800) [ 794.635775][ T9498] block nbd0: shutting down sockets [ 794.660778][ T9554] block nbd5: shutting down sockets 12:45:46 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x9}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 794.683555][ T9498] block nbd0: shutting down sockets [ 794.736436][ T9620] ldm_validate_partition_table(): Disk read failed. [ 794.770420][ T9620] Dev nbd1: unable to read RDB block 0 [ 794.811969][ T9620] nbd1: unable to read partition table [ 794.849189][ T9713] EXT4-fs (loop2): group quota file already specified [ 794.860050][T20510] block nbd4: Receive control failed (result -107) 12:45:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x80086601, 0xffffffffffffffff) [ 794.892970][ T9654] block nbd4: shutting down sockets [ 794.896241][ T9620] ldm_validate_partition_table(): Disk read failed. [ 794.907154][ T9554] block nbd5: shutting down sockets [ 794.928404][ T9620] Dev nbd1: unable to read RDB block 0 12:45:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6c00) [ 794.942613][ T9620] nbd1: unable to read partition table [ 794.982496][ T9713] EXT4-fs (loop2): group quota file already specified 12:45:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x40081271) [ 795.040648][ T9731] ldm_validate_partition_table(): Disk read failed. [ 795.069790][ T9719] block nbd0: shutting down sockets [ 795.076014][T20510] block nbd4: Receive control failed (result -107) [ 795.081548][ T9734] block nbd4: shutting down sockets 12:45:47 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6764b53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 795.112249][ T9731] Dev nbd1: unable to read RDB block 0 [ 795.154306][ T9719] block nbd0: shutting down sockets 12:45:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x4040ae77) 12:45:47 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xa}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 795.184412][ T9731] nbd1: unable to read partition table [ 795.239656][ T9834] EXT4-fs (loop2): group quota file already specified [ 795.284683][ T9731] ldm_validate_partition_table(): Disk read failed. [ 795.314740][ T9834] EXT4-fs (loop2): group quota file already specified [ 795.319286][ T9828] block nbd5: shutting down sockets 12:45:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x80087601, 0xffffffffffffffff) [ 795.330483][ T9731] Dev nbd1: unable to read RDB block 0 [ 795.366901][ T9731] nbd1: unable to read partition table 12:45:47 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6766353ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7400) [ 795.486625][T20510] block nbd4: Receive control failed (result -107) [ 795.508074][ T9873] block nbd4: shutting down sockets [ 795.554720][T10029] block nbd0: shutting down sockets 12:45:47 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xb}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 795.585151][T10029] block nbd0: shutting down sockets [ 795.620837][T20510] block nbd4: Receive control failed (result -107) [ 795.642558][ T9873] block nbd4: shutting down sockets 12:45:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0x8048ae66, 0xffffffffffffffff) 12:45:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x4090ae82) 12:45:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x40086602) [ 795.694793][T10055] EXT4-fs (loop2): group quota file already specified [ 795.751317][T10058] ldm_validate_partition_table(): Disk read failed. [ 795.768841][T10055] EXT4-fs (loop2): group quota file already specified [ 795.817643][T10058] Dev nbd1: unable to read RDB block 0 [ 795.865734][T10058] nbd1: unable to read partition table 12:45:47 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc676025def", 0x3a, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 795.940864][T10058] ldm_validate_partition_table(): Disk read failed. 12:45:48 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xc}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xc0045878, 0xffffffffffffffff) [ 795.988478][T10157] block nbd5: shutting down sockets [ 795.997708][T10058] Dev nbd1: unable to read RDB block 0 [ 796.015339][T20510] block nbd4: Receive control failed (result -107) [ 796.026468][T10156] block nbd4: shutting down sockets [ 796.094459][T10156] block nbd4: shutting down sockets [ 796.110746][T10058] nbd1: unable to read partition table [ 796.176542][T10189] block nbd0: shutting down sockets [ 796.190010][T10205] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 796.213840][T10189] block nbd0: shutting down sockets 12:45:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xc0045878, 0xffffffffffffffff) 12:45:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x80041284) 12:45:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x40087602) 12:45:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7a00) [ 796.281950][T10205] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:45:48 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0xa, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:48 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xe}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 796.518951][T10366] block nbd5: shutting down sockets [ 796.527365][T10370] block nbd0: shutting down sockets [ 796.534078][T20510] block nbd4: Receive control failed (result -107) [ 796.546024][T10362] block nbd4: shutting down sockets [ 796.575210][T10405] ldm_validate_partition_table(): Disk read failed. [ 796.584515][T10405] Dev nbd1: unable to read RDB block 0 [ 796.593756][T10405] nbd1: unable to read partition table [ 796.611021][T10370] block nbd0: shutting down sockets [ 796.627674][T20510] block nbd4: Receive control failed (result -107) [ 796.635716][T10362] block nbd4: shutting down sockets [ 796.645805][T10406] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:45:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x80041285) [ 796.697688][T10405] ldm_validate_partition_table(): Disk read failed. 12:45:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xc0101282, 0xffffffffffffffff) 12:45:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x40101283) [ 796.741301][T10366] block nbd5: shutting down sockets [ 796.758126][T10406] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 796.802483][T10525] block nbd5: shutting down sockets [ 796.823979][T10405] Dev nbd1: unable to read RDB block 0 [ 796.835398][T10405] nbd1: unable to read partition table 12:45:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xf210) 12:45:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x40101286) 12:45:48 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x25, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 797.032688][T10705] block nbd0: shutting down sockets [ 797.055281][T10734] ldm_validate_partition_table(): Disk read failed. [ 797.078231][T20510] block nbd4: Receive control failed (result -107) [ 797.090140][T10731] block nbd4: shutting down sockets [ 797.108868][T10734] Dev nbd1: unable to read RDB block 0 [ 797.117247][T10732] block nbd5: shutting down sockets [ 797.123601][T10788] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 797.126197][T10705] block nbd0: shutting down sockets [ 797.149046][T10734] nbd1: unable to read partition table [ 797.164885][T20510] block nbd4: Receive control failed (result -107) [ 797.173262][T10731] block nbd4: shutting down sockets [ 797.185390][T10734] ldm_validate_partition_table(): Disk read failed. [ 797.205062][T10788] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:45:49 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xf}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x800454d2) [ 797.223203][T10734] Dev nbd1: unable to read RDB block 0 [ 797.242545][T10734] nbd1: unable to read partition table 12:45:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x40101288) 12:45:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xff00) 12:45:49 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3c, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xc0189436, 0xffffffffffffffff) [ 797.444145][T20510] block nbd4: Receive control failed (result -107) [ 797.479499][T10913] block nbd4: shutting down sockets [ 797.493284][T10926] block nbd0: shutting down sockets 12:45:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xc020660b, 0xffffffffffffffff) [ 797.519187][T10926] block nbd0: shutting down sockets [ 797.528100][T10922] ldm_validate_partition_table(): Disk read failed. [ 797.572273][T10919] block nbd5: shutting down sockets [ 797.585038][T10930] EXT4-fs (loop2): group quota file already specified [ 797.624496][T10937] block nbd0: shutting down sockets [ 797.629139][T10922] Dev nbd1: unable to read RDB block 0 [ 797.658751][T20510] block nbd4: Receive control failed (result -107) [ 797.667560][T10913] block nbd4: shutting down sockets 12:45:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x80081270) 12:45:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xc0481273, 0xffffffffffffffff) [ 797.722385][T10922] nbd1: unable to read partition table [ 797.733108][T10930] EXT4-fs (loop2): group quota file already specified 12:45:49 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x10}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:49 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x4b, 0x400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1000000) 12:45:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x401070c9) [ 797.949586][T20510] block nbd4: Receive control failed (result -107) [ 797.965482][T11152] block nbd4: shutting down sockets [ 798.004296][T11154] block nbd0: shutting down sockets [ 798.010850][T20510] block nbd4: Receive control failed (result -107) [ 798.022711][T11152] block nbd4: shutting down sockets [ 798.025891][T11163] block nbd5: shutting down sockets 12:45:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x80081272) [ 798.146223][T11154] block nbd0: shutting down sockets [ 798.158105][T11275] ldm_validate_partition_table(): Disk read failed. 12:45:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x401070ca) [ 798.196906][T11275] Dev nbd1: unable to read RDB block 0 [ 798.230643][T11275] nbd1: unable to read partition table [ 798.295215][T11307] block nbd5: shutting down sockets [ 798.303601][T11309] EXT4-fs (loop2): group quota file already specified [ 798.324918][T11275] ldm_validate_partition_table(): Disk read failed. [ 798.345238][T11275] Dev nbd1: unable to read RDB block 0 [ 798.361367][T11275] nbd1: unable to read partition table 12:45:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x2000000) 12:45:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$int_out(r2, 0x5460, &(0x7f0000000200)) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) r4 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r4, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$VIDIOC_S_EXT_CTRLS(0xffffffffffffffff, 0xc0205648, &(0x7f0000000040)={0xfffffff, 0x3, 0x81, r4, 0x0, &(0x7f0000000000)={0x990a70, 0x3, [], @value=0x7}}) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) r6 = syz_open_dev$ndb(0x0, 0x0, 0x0) r7 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20ncci\x00', 0x1201, 0x0) r8 = socket(0x2, 0x1, 0x0) getpeername$l2tp6(r3, &(0x7f0000000180)={0xa, 0x0, 0x0, @mcast1}, &(0x7f00000001c0)=0x20) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) ioctl$NBD_SET_SOCK(r6, 0xab03, 0xffffffffffffffff) [ 798.398234][T11309] EXT4-fs (loop2): group quota file already specified 12:45:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x401070cd) 12:45:50 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x11}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:50 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x10}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 798.570926][T11499] ldm_validate_partition_table(): Disk read failed. [ 798.579711][T20510] block nbd0: Receive control failed (result -107) [ 798.590368][T20510] block nbd0: Receive control failed (result -107) [ 798.607407][T11500] block nbd0: shutting down sockets [ 798.664311][T11499] Dev nbd1: unable to read RDB block 0 12:45:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x80086301) [ 798.704713][T11499] nbd1: unable to read partition table [ 798.709413][T11510] block nbd5: shutting down sockets [ 798.761008][T11500] block nbd0: shutting down sockets [ 798.814788][T11499] ldm_validate_partition_table(): Disk read failed. 12:45:50 executing program 0: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) setsockopt$inet6_MRT6_ADD_MFC(0xffffffffffffffff, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x4e24, 0x400, @local, 0x5d560716}, {0xa, 0x4e23, 0x3, @mcast1, 0x401}, 0x8000, [0x3, 0x25, 0x0, 0x3c, 0x2, 0x0, 0x1f, 0x3f]}, 0x5c) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) io_uring_setup(0xcd4, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x11a}) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$HDIO_GETGEO(r4, 0x301, &(0x7f0000000080)) io_uring_setup(0x24a, &(0x7f00000000c0)={0x0, 0x0, 0x5, 0x1, 0x2b}) ioctl$NBD_SET_SOCK(r1, 0xab03, 0xffffffffffffffff) 12:45:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x40186366) 12:45:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3000000) [ 798.889064][T11573] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 798.897909][T11499] Dev nbd1: unable to read RDB block 0 [ 798.908587][T11499] nbd1: unable to read partition table [ 798.994050][T20510] block nbd4: Receive control failed (result -107) [ 799.024178][T11627] block nbd4: shutting down sockets [ 799.096633][T11573] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 799.121523][ T2629] print_req_error: 1071 callbacks suppressed [ 799.121541][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.139675][ T2629] buffer_io_error: 1078 callbacks suppressed [ 799.139686][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 799.154411][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.165344][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 799.173977][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.185157][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read [ 799.193822][ T2629] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.205167][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 799.213835][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.225278][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 799.233712][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.245287][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 799.253337][ T2628] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.264950][T20510] block nbd0: Receive control failed (result -107) [ 799.276139][ T2628] Buffer I/O error on dev nbd1, logical block 2, async page read [ 799.277985][T11740] block nbd4: Could not allocate knbd recv work queue. [ 799.284206][ T2628] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.302621][ T2628] Buffer I/O error on dev nbd1, logical block 3, async page read [ 799.310879][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 799.322988][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 799.334092][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 12:45:51 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x4b}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:51 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x12}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 799.345605][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 799.369748][T11688] ldm_validate_partition_table(): Disk read failed. [ 799.393524][T11740] block nbd4: shutting down sockets [ 799.410181][T11688] Dev nbd1: unable to read RDB block 0 [ 799.422414][T11629] block nbd0: shutting down sockets [ 799.435617][T11688] nbd1: unable to read partition table 12:45:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x80086601) [ 799.472016][T11688] ldm_validate_partition_table(): Disk read failed. [ 799.485137][T11688] Dev nbd1: unable to read RDB block 0 [ 799.514057][T11688] nbd1: unable to read partition table 12:45:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x401870c8) [ 799.569998][T20510] block nbd0: Receive control failed (result -107) [ 799.607208][T11629] block nbd0: shutting down sockets 12:45:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4000000) [ 799.636627][T11867] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 799.669059][T11885] block nbd5: shutting down sockets 12:45:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x721002, 0x0) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cpuset.effective_mems\x00', 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r2, 0x6, 0x16, &(0x7f0000000180)=[@timestamp, @mss={0x2, 0x1}, @sack_perm, @sack_perm, @sack_perm, @timestamp, @mss={0x2, 0x5}, @mss={0x2, 0x9}, @timestamp, @sack_perm], 0xa) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, 0x0, 0x0) ftruncate(r4, 0x200004) sendfile(r3, r4, 0x0, 0x80001d00c0d0) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) sendfile(r5, r6, 0x0, 0x80001d00c0d0) r7 = socket$inet6(0xa, 0x400000000001, 0x0) close(r7) r8 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r7, 0x84, 0xd, 0x0, 0x0) ftruncate(r8, 0x200004) sendfile(r7, r8, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_DQEVENT(r8, 0x80885659, &(0x7f0000000300)={0x0, @ctrl}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r9 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r10 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r10, 0xab0a, 0x1ff) r11 = socket(0x2, 0x80000, 0x0) ioctl$NBD_SET_SOCK(r10, 0xab00, r11) setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000200)='reno\x00', 0x5) ioctl$NBD_SET_SOCK(r9, 0xab03, 0xffffffffffffffff) [ 799.767588][T20510] block nbd4: Receive control failed (result -107) [ 799.778858][T11870] block nbd4: shutting down sockets [ 799.800562][T11867] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 799.846968][T11988] ldm_validate_partition_table(): Disk read failed. [ 799.862533][T20510] block nbd4: Receive control failed (result -107) [ 799.864066][T11988] Dev nbd1: unable to read RDB block 0 [ 799.871385][T11870] block nbd4: shutting down sockets 12:45:51 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x80087601) 12:45:52 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x13}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x401870cb) [ 799.990483][T11988] nbd1: unable to read partition table [ 800.004845][T12093] EXT4-fs (loop2): unable to read superblock [ 800.042256][T11988] ldm_validate_partition_table(): Disk read failed. [ 800.081824][T12093] EXT4-fs (loop2): unable to read superblock [ 800.118172][T11988] Dev nbd1: unable to read RDB block 0 [ 800.126788][T11988] nbd1: unable to read partition table [ 800.133524][T20510] block nbd4: Receive control failed (result -107) [ 800.143724][T12097] block nbd4: shutting down sockets 12:45:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x5000000) [ 800.229807][T12109] ldm_validate_partition_table(): Disk read failed. [ 800.238776][T12109] Dev nbd1: unable to read RDB block 0 [ 800.247668][T12109] nbd1: unable to read partition table 12:45:52 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x3fb}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 800.301646][T20510] block nbd4: Receive control failed (result -107) [ 800.310843][T12097] block nbd4: shutting down sockets [ 800.334037][T12109] ldm_validate_partition_table(): Disk read failed. [ 800.355526][T12109] Dev nbd1: unable to read RDB block 0 [ 800.367477][T12109] nbd1: unable to read partition table 12:45:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6000000) 12:45:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0x8048ae66) [ 800.532281][T12303] EXT4-fs (loop2): unable to read superblock [ 800.583224][T20510] block nbd4: Receive control failed (result -107) [ 800.593500][T12319] block nbd4: shutting down sockets [ 800.625932][T12336] ldm_validate_partition_table(): Disk read failed. [ 800.635977][T20510] block nbd4: Receive control failed (result -107) [ 800.645217][T12319] block nbd4: shutting down sockets [ 800.646698][T12303] EXT4-fs (loop2): unable to read superblock [ 800.659889][T12102] block nbd5: shutting down sockets 12:45:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x401870cc) 12:45:52 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x14}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 800.676550][T12336] Dev nbd1: unable to read RDB block 0 [ 800.696281][T12336] nbd1: unable to read partition table 12:45:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xc0045878) [ 800.747164][T12045] block nbd0: shutting down sockets [ 800.757630][T12336] ldm_validate_partition_table(): Disk read failed. [ 800.771560][T12336] Dev nbd1: unable to read RDB block 0 [ 800.844456][T12336] nbd1: unable to read partition table [ 800.894800][T12344] block nbd5: shutting down sockets [ 800.954941][T20510] block nbd4: Receive control failed (result -107) [ 800.965544][T12347] block nbd4: shutting down sockets [ 801.078864][T12103] block nbd0: shutting down sockets 12:45:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r5 = openat$userio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/userio\x00', 0x24400, 0x0) write$USERIO_CMD_REGISTER(r5, &(0x7f0000000040)={0x0, 0x3}, 0x2) 12:45:53 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x3fc}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7000000) 12:45:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xc0045878) [ 801.146538][T12344] block nbd5: shutting down sockets 12:45:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x4020940d) [ 801.235610][T12552] ldm_validate_partition_table(): Disk read failed. [ 801.255837][T12547] EXT4-fs (loop2): unable to read superblock 12:45:53 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x18}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 801.284315][T12552] Dev nbd1: unable to read RDB block 0 [ 801.293984][T20510] block nbd4: Receive control failed (result -107) [ 801.322706][T12534] block nbd4: shutting down sockets [ 801.401075][T20510] block nbd0: Receive control failed (result -107) [ 801.409967][T12552] nbd1: unable to read partition table [ 801.410393][T20510] block nbd0: Receive control failed (result -107) [ 801.427816][T12579] block nbd0: shutting down sockets 12:45:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xc0101282) [ 801.556101][T12547] EXT4-fs (loop2): unable to read superblock [ 801.580677][T12552] ldm_validate_partition_table(): Disk read failed. [ 801.607149][T20510] block nbd0: Receive control failed (result -107) [ 801.608557][T12552] Dev nbd1: unable to read RDB block 0 [ 801.619845][T12589] block nbd0: shutting down sockets [ 801.684551][T20510] block nbd4: Receive control failed (result -107) [ 801.697541][T12720] block nbd4: shutting down sockets 12:45:53 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x3fd}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x400280) r3 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) close(0xffffffffffffffff) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0) ftruncate(r4, 0x200004) sendfile(0xffffffffffffffff, r4, 0x0, 0x80001d00c0d0) ioctl$KVM_IOEVENTFD(r3, 0x4040ae79, &(0x7f0000000080)={0x10000, &(0x7f0000000040), 0x8, r4}) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:45:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80041284) [ 801.752001][T12581] block nbd5: shutting down sockets [ 801.762975][T20510] block nbd4: Receive control failed (result -107) [ 801.773048][T12720] block nbd4: shutting down sockets [ 801.789129][T12552] nbd1: unable to read partition table 12:45:53 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x60}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x8000000) 12:45:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xc0189436) [ 801.893132][T12811] block nbd0: shutting down sockets [ 802.015021][T12824] block nbd0: Device being setup by another task [ 802.033110][T12818] block nbd5: shutting down sockets [ 802.039329][T12827] EXT4-fs (loop2): unable to read superblock [ 802.057667][T12811] block nbd0: shutting down sockets [ 802.081591][T12826] ldm_validate_partition_table(): Disk read failed. [ 802.147876][T12827] EXT4-fs (loop2): unable to read superblock 12:45:54 executing program 0: syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x101) socket(0x2, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r0, 0xab03, 0xffffffffffffffff) 12:45:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xc020660b) [ 802.195832][T12826] Dev nbd1: unable to read RDB block 0 [ 802.235930][T12826] nbd1: unable to read partition table 12:45:54 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xf0}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:54 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x402}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 802.251637][T12818] block nbd5: shutting down sockets 12:45:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80041285) [ 802.344582][T12826] ldm_validate_partition_table(): Disk read failed. [ 802.406762][T12826] Dev nbd1: unable to read RDB block 0 [ 802.439175][T12826] nbd1: unable to read partition table [ 802.448608][T13043] block nbd5: shutting down sockets 12:45:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x10000000) [ 802.499431][T20510] block nbd0: Receive control failed (result -107) [ 802.508721][T20510] block nbd4: Receive control failed (result -107) [ 802.556924][T13040] block nbd0: shutting down sockets [ 802.569306][T13042] block nbd4: shutting down sockets 12:45:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x800454d2) [ 802.671016][T13183] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 802.694462][T13219] ldm_validate_partition_table(): Disk read failed. 12:45:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x1c200) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 802.762527][T13219] Dev nbd1: unable to read RDB block 0 12:45:54 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x300}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xc0481273) [ 802.812099][T13219] nbd1: unable to read partition table [ 802.821362][T13248] block nbd5: shutting down sockets [ 802.839267][T13219] ldm_validate_partition_table(): Disk read failed. [ 802.857813][T13183] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:45:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1f000000) [ 802.884169][T13219] Dev nbd1: unable to read RDB block 0 [ 802.911083][T13219] nbd1: unable to read partition table [ 802.985026][T13324] ldm_validate_partition_table(): Disk read failed. [ 802.994590][T13324] Dev nbd1: unable to read RDB block 0 [ 802.998226][T13276] block nbd0: shutting down sockets [ 803.002988][T13324] nbd1: unable to read partition table [ 803.061117][T13324] ldm_validate_partition_table(): Disk read failed. [ 803.080115][T13324] Dev nbd1: unable to read RDB block 0 [ 803.093602][T13324] nbd1: unable to read partition table 12:45:55 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x403}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 803.110518][T20510] block nbd4: Receive control failed (result -107) [ 803.121013][T13345] block nbd4: shutting down sockets 12:45:55 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x500}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 803.154820][T13276] block nbd0: shutting down sockets 12:45:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x20000000) [ 803.194128][T20510] block nbd4: Receive control failed (result -107) [ 803.203436][T13435] block nbd4: shutting down sockets 12:45:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x20000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) [ 803.253059][T13271] block nbd5: shutting down sockets 12:45:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80081270) 12:45:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x29, 0x2d, &(0x7f0000000180)={0x7, {{0xa, 0x4e21, 0x9, @empty, 0x80}}}, 0x88) r2 = syz_open_dev$ndb(0x0, 0x0, 0x141000) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x2000000001ff) setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(r5, 0x28, 0x0, &(0x7f00000002c0)=0x1, 0x8) r6 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r7) setxattr$security_capability(&(0x7f0000000080)='.\x00', &(0x7f00000000c0)='security.capability\x00', &(0x7f0000000100)=@v3={0x3000000, [{0x7, 0x76}, {0x7, 0x9}], r7}, 0x18, 0x3) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r8) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r9 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/transactions\x00', 0x0, 0x0) r10 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r10, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$DRM_IOCTL_IRQ_BUSID(r10, 0xc0106403, &(0x7f0000000300)={0x3, 0x1f, 0x585, 0x3}) setsockopt$inet_sctp_SCTP_NODELAY(r9, 0x84, 0x3, &(0x7f0000000040)=0x7ff, 0x4) [ 803.433436][T13503] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 803.440379][T20510] block nbd4: Receive control failed (result -107) [ 803.450818][T13510] block nbd4: shutting down sockets [ 803.494459][T20510] block nbd4: Receive control failed (result -107) [ 803.496693][T13521] ldm_validate_partition_table(): Disk read failed. [ 803.509549][T13512] block nbd4: shutting down sockets 12:45:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$vimc0(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video0\x00', 0x2, 0x0) r3 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r3, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$VIDIOC_TRY_EXT_CTRLS(r2, 0xc0205649, &(0x7f00000000c0)={0xa00000, 0x3f, 0x5, r3, 0x0, &(0x7f0000000080)={0xa00966, 0xfffffff8, [], @p_u8=&(0x7f0000000040)=0xee}}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000180)=[@in={0x2, 0x4e24}, @in6={0xa, 0x4e22, 0x0, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x9}, @in6={0xa, 0x4e24, 0x2, @ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x28}}, 0x9}, @in6={0xa, 0x4e20, 0xd5, @remote, 0x1ffa}, @in6={0xa, 0x4e23, 0x6, @mcast1, 0x65}], 0x80) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_DO_IT(r5, 0xab03) [ 803.604957][T13507] block nbd5: shutting down sockets [ 803.619155][T13622] block nbd4: shutting down sockets [ 803.622627][T13521] Dev nbd1: unable to read RDB block 0 12:45:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, 0x0, 0x0) sendmsg$IPCTNL_MSG_CT_NEW(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x114, 0x0, 0x1, 0x101, 0x0, 0x0, {0xa, 0x0, 0x8}, [@CTA_PROTOINFO={0x30, 0x4, 0x0, 0x1, @CTA_PROTOINFO_SCTP={0x2c, 0x3, 0x0, 0x1, [@CTA_PROTOINFO_SCTP_VTAG_ORIGINAL={0x8, 0x2, 0x1, 0x0, 0x3}, @CTA_PROTOINFO_SCTP_VTAG_REPLY={0x8, 0x3, 0x1, 0x0, 0xfffffffe}, @CTA_PROTOINFO_SCTP_STATE={0x5, 0x1, 0x3f}, @CTA_PROTOINFO_SCTP_VTAG_REPLY={0x8, 0x3, 0x1, 0x0, 0x2}, @CTA_PROTOINFO_SCTP_VTAG_ORIGINAL={0x8, 0x2, 0x1, 0x0, 0xfffffffa}]}}, @CTA_SEQ_ADJ_ORIG={0x24, 0xf, 0x0, 0x1, [@CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x7ac}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x5}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x1}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x7f}]}, @CTA_TUPLE_ORIG={0x70, 0x1, 0x0, 0x1, [@CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @mcast1}, {0x14, 0x4, @initdev={0xfe, 0x88, [], 0x1, 0x0}}}}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @rand_addr="01625d2b6b25ef20e3b01b8f0eb1b292"}, {0x14, 0x4, @ipv4={[], [], @loopback}}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x11}}]}, @CTA_SEQ_ADJ_ORIG={0x3c, 0xf, 0x0, 0x1, [@CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x7}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x401}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x5}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x8fd}, @CTA_SEQADJ_OFFSET_BEFORE={0x8, 0x2, 0x1, 0x0, 0xfff80000}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x4d}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x5}]}]}, 0x114}, 0x1, 0x0, 0x0, 0x80}, 0x40000d4) ftruncate(r4, 0x200004) sendfile(r3, r4, 0x0, 0x80001d00c0d0) ioctl$SG_GET_TIMEOUT(r4, 0x2202, 0x0) r5 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000100)='/proc/capi/capi20\x00', 0x32600, 0x0) ioctl$RNDADDTOENTCNT(r5, 0x40045201, &(0x7f00000002c0)=0xfffffe00) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:45:55 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x600}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 803.661365][T13521] nbd1: unable to read partition table [ 803.665964][T13622] block nbd4: shutting down sockets [ 803.680804][T13503] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:45:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80081272) [ 803.742830][T13507] block nbd5: shutting down sockets [ 803.757412][T13521] ldm_validate_partition_table(): Disk read failed. [ 803.777800][T20510] block nbd0: Receive control failed (result -107) [ 803.781487][T13521] Dev nbd1: unable to read RDB block 0 [ 803.786157][T20510] block nbd0: Receive control failed (result -107) 12:45:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3f000000) [ 803.831425][T13521] nbd1: unable to read partition table [ 803.921073][T13736] ldm_validate_partition_table(): Disk read failed. 12:45:55 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x404}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 803.971407][T13535] block nbd0: shutting down sockets [ 803.979164][T13736] Dev nbd1: unable to read RDB block 0 [ 804.025107][T13736] nbd1: unable to read partition table [ 804.072226][T13736] ldm_validate_partition_table(): Disk read failed. [ 804.084901][T13743] block nbd5: shutting down sockets [ 804.105310][T13736] Dev nbd1: unable to read RDB block 0 [ 804.129151][T20510] block nbd0: Receive control failed (result -107) [ 804.167849][ T2629] print_req_error: 1254 callbacks suppressed [ 804.167864][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 804.182569][T13731] block nbd0: shutting down sockets [ 804.201969][ T2629] buffer_io_error: 1254 callbacks suppressed [ 804.201979][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read 12:45:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80086301) [ 804.222032][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 804.233863][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 804.243572][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 804.254752][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read [ 804.263771][ T2629] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 12:45:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_DO_IT(r6, 0xab03) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x1ff) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) ioctl$SIOCX25GCAUSEDIAG(r9, 0x89e6, &(0x7f0000000040)={0xfb, 0x1}) ioctl$NBD_DO_IT(r8, 0xab03) r10 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r10, 0xab0a, 0x1ff) ioctl$NBD_SET_SOCK(r10, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r10, 0xab03) ioctl$NBD_SET_FLAGS(r10, 0xab0a, 0x1fa) r11 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r11) connect$pptp(r11, &(0x7f0000000000)={0x18, 0x2, {0x0, @empty}}, 0x1e) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) bind$vsock_stream(r0, &(0x7f0000000080)={0x28, 0x0, 0x0, @hyper}, 0x10) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 804.274879][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 804.283984][ T2629] blk_update_request: I/O error, dev nbd1, sector 24 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 804.295065][ T2629] Buffer I/O error on dev nbd1, logical block 12, async page read [ 804.303919][ T2629] blk_update_request: I/O error, dev nbd1, sector 26 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 804.314895][ T2629] Buffer I/O error on dev nbd1, logical block 13, async page read [ 804.322995][ T2629] blk_update_request: I/O error, dev nbd1, sector 28 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 804.334179][ T2629] Buffer I/O error on dev nbd1, logical block 14, async page read [ 804.342304][ T2629] blk_update_request: I/O error, dev nbd1, sector 30 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 804.353468][ T2629] Buffer I/O error on dev nbd1, logical block 15, async page read [ 804.361594][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 804.364801][T13745] block nbd4: shutting down sockets 12:45:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r2, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000000040)={0x5, &(0x7f0000000000)=[{0xc, 0x4, 0x1, 0x8}, {0x40, 0x1, 0x3, 0xff}, {0x0, 0x9, 0x1}, {0x4, 0xe0, 0x1, 0x20}, {0x5, 0x16, 0x80, 0x800}]}, 0x10) r3 = socket$nl_generic(0x10, 0x3, 0x10) write$binfmt_aout(0xffffffffffffffff, &(0x7f0000000400)=ANY=[@ANYBLOB="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"], 0x193) fsetxattr$security_evm(r3, &(0x7f00000000c0)='security.evm\x00', &(0x7f0000000100)=@md5={0x1, "fdcac7893495d9a7044b44331cb8612f"}, 0x11, 0x1) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) [ 804.372646][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read 12:45:56 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x608}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 804.403273][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 804.414582][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 804.423084][T13736] nbd1: unable to read partition table [ 804.445197][T13887] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 804.493111][T13961] block nbd5: shutting down sockets 12:45:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80086601) 12:45:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x40000000) [ 804.603040][T13887] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 804.636059][T14074] block nbd5: shutting down sockets [ 804.689440][T20510] block nbd0: Receive control failed (result -107) [ 804.701065][T20510] block nbd0: Receive control failed (result -107) [ 804.712514][T14089] block nbd0: Device being setup by another task 12:45:56 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x405}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 804.747212][ T27] audit: type=1400 audit(1580647556.729:167): avc: denied { setattr } for pid=13964 comm="syz-executor.4" name="NETLINK" dev="sockfs" ino=145191 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 804.816856][T13964] block nbd4: shutting down sockets 12:45:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80087601) [ 804.876403][T14186] ldm_validate_partition_table(): Disk read failed. [ 804.889559][T13958] block nbd0: shutting down sockets [ 804.895980][T13964] block nbd4: shutting down sockets [ 804.910144][T14197] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 804.915235][T14186] Dev nbd1: unable to read RDB block 0 12:45:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x23, 0x4, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) prctl$PR_MPX_ENABLE_MANAGEMENT(0x2b) arch_prctl$ARCH_MAP_VDSO_32(0x2002, 0x3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) socket$phonet_pipe(0x23, 0x5, 0x2) [ 804.945780][T14186] nbd1: unable to read partition table 12:45:57 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x806}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 805.017828][T14197] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 805.050796][T14186] ldm_validate_partition_table(): Disk read failed. [ 805.063896][T14297] block nbd5: shutting down sockets 12:45:57 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x406}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 805.107006][T20510] block nbd0: Receive control failed (result -107) [ 805.131084][T14154] block nbd0: Device being setup by another task 12:45:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x48000000) [ 805.183781][T14186] Dev nbd1: unable to read RDB block 0 [ 805.193932][T14186] nbd1: unable to read partition table [ 805.253242][T14073] block nbd0: shutting down sockets 12:45:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80247008) [ 805.336942][T14484] ldm_validate_partition_table(): Disk read failed. [ 805.348885][T14484] Dev nbd1: unable to read RDB block 0 [ 805.363575][T14484] nbd1: unable to read partition table 12:45:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x20002) openat$selinux_mls(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/mls\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup2(r4, r3) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) getsockopt$netrom_NETROM_T2(r7, 0x103, 0x2, &(0x7f0000000280), &(0x7f00000002c0)=0x4) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = dup2(r9, r8) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f0000000140)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r10, 0x84, 0x7c, &(0x7f00000001c0)={r11, 0x7f, 0x400}, 0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000180)={r11, @in={{0x2, 0x4e23, @empty}}, [0x8, 0x0, 0x0, 0x8, 0x7f, 0x8, 0x1, 0x5, 0x8, 0x9, 0x200, 0x6a70, 0x1, 0x5, 0xffffffffffffffff]}, &(0x7f0000000100)=0x100) ioctl$NBD_DO_IT(r2, 0xab03) setsockopt$inet6_MCAST_LEAVE_GROUP(r1, 0x29, 0x2d, &(0x7f0000000000)={0x8000, {{0xa, 0x4e20, 0x1, @dev={0xfe, 0x80, [], 0x34}, 0x4de}}}, 0x88) [ 805.403833][T14504] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 805.440287][T14484] ldm_validate_partition_table(): Disk read failed. 12:45:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000440)='/selinux/policy\x00', 0x0, 0x0) sendmmsg(r3, &(0x7f000000c480)=[{{&(0x7f0000000480)=@rxrpc=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x4e20, 0x2, @ipv4={[], [], @empty}, 0x1f}}, 0x80, &(0x7f00000015c0)=[{&(0x7f0000000500)="bfd464e5aa90677f460c450707ea7d4c386e99ac050f1b717f117a55705184e367e7ae0f4fb60961c6dc4019e6824db652418a004a59f9a11748edff8e5a0a0937e187249abf0326236edf1bf104cf5264ad2f7109c45fa94e5715c690264645acd7c8765f3d1b02da29823b26d8199eff7db7aae65ce96c316c874b42b97585ab0c749e3bb761b7e3eba0641bab06554096c757dc86c8aa655fbf291b398129479c", 0xa2}, {&(0x7f00000005c0)="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{&(0x7f000000b000)="bf9eb8c21a76622e140c494f8d33b8c05cd53343bfd29a1fabbcbb52295874892a0dbdb9daa5c9d06bf8", 0x2a}, {&(0x7f000000b040)="e65295cdf0ef686c8cb1ba21589ba49fb71337af95af07d18bcef54415ff11fcf8d7561ca39ac75be0fbf5520b3353884cd7d34a736887f79ba49d2a55860404d2a189d350ab5e9e716e7fa76c540e0d5ffb2649d3d96df261e353ae692a5e7ef47363d60bbed6de1d97948a67c481e5355a95b7765fa5dafb737bcb5ad55286eb97c535c66c174d0666ecf9fd43d642a451433bb1c1d41263d4d02a32f84c19640425394a993557f3f487d2065e0dc383d95ff15152ed7ebf679f72f70510ef6323bb2d7054a4b6e575be299c78b0d618bb14611ce1a417f0f463b9339cc0e2e4345ac45a2f8e", 0xe7}], 0x3, &(0x7f000000b180)=[{0x1010, 0x110, 0x5, 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{0x108, 0x110, 0x3, "42366b4f4eb4a1c6b7433f21d1a659f5cf88c69c22d8c29704ce241b836775d909644e3d250182dcd8d8d24c935f93155327ff323df1500324bc31c50a3f35cbfba54350f48fbaa0abc04112a9aaac56be6971dd87f1fb6e07c13e93343738f0a8e0bf1c70a150a0b71741f4ee9ca0989a8b5268bcd47d0de8e9e66ec3494776380c46881c393d67e31bf34860e9bcd9f5538326e5606b1a67aded9fd4f569101d30406a1d5b9b0313a2dfc60d4d21c90074a4382bc6ae413ddedc940a195a09ffed1bd5a298cb4d65e98252479666cc6297e35e6feb1fcc487a815a337a68f49d073c4f019b0162523626a82cbfecc7e248"}, {0xa8, 0x10f, 0x81, "28ed939df2d3123fb42e0f00c150e1391b7f4e85ba1efe1abccdf845977792a597801c5f647ebdbb8d4149a86ade113a533f520428fb27479f9a570d570cc04658ca113cc5db0ba96513fba97d6b75b992ce4ed68e1a6b17fbcc400ea22c515334a96091a57af910d6b2138f2d071f184364c7c4af86c704f0e9615099fed3979e4be9dff5dd3a382d4ef8c0e9aa9bd3d055b7"}, {0x100, 0x0, 0x5, "67a57169c49301a43fdfdadd44cb5101d61da569cbc406a7681d7ca7642f6a2f144577cb585688c2e5b2b8abb800d7f29a50183a9c5026375767a587e42f1500895c3775c82739e11c1edc94ed7d498d4e35cdd8ad0e0930ee32d741c113667f02828a8ad32e76ef23d9ec41eb8e76240e61fde4aaa9e498c0cb88e4065c57a58af08a9279dd0545b2d64351d66e7f36daf5471d33ce90537cf9766fe61a9beb3f4b04943cdc54fb3343cbe2b1fb89b5f0873043eb5efb4d3fef00324a897c5268d029acd404b925dccf0ddeb30f802f73d2ab480332272ec753bba7da8037abb16f94f24dc91502d5884ae0c9c2"}, {0x28, 0x119, 0x1, "33cf8a3b510a2a86f3e9d09fcbfafae3a1"}], 0x12e8}}], 0x7, 0x4886) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000000)={0x0, 0x0}) ptrace$cont(0x18, r5, 0xffffffff, 0x4) r6 = socket(0x2, 0x1, 0x0) prctl$PR_GET_SPECULATION_CTRL(0x34, 0x0, 0xc) ioctl$NBD_SET_SOCK(r4, 0xab00, r6) syz_open_dev$vcsu(&(0x7f0000000080)='/dev/vcsu#\x00', 0x4150, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 805.457055][T14484] Dev nbd1: unable to read RDB block 0 [ 805.468527][T14484] nbd1: unable to read partition table 12:45:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4c000000) 12:45:57 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x900}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 805.541844][T14504] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 805.586585][T14525] block nbd5: shutting down sockets 12:45:57 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x407}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 805.664209][T20510] block nbd4: Receive control failed (result -107) [ 805.675900][T14552] ldm_validate_partition_table(): Disk read failed. [ 805.701488][T14552] Dev nbd1: unable to read RDB block 0 [ 805.728550][T14552] nbd1: unable to read partition table [ 805.741868][T20510] block nbd0: Receive control failed (result -107) [ 805.750759][T14534] block nbd0: shutting down sockets 12:45:57 executing program 0: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_SET_SOCK(r1, 0xab03, 0xffffffffffffffff) ioctl$SIOCX25GFACILITIES(r0, 0x89e2, &(0x7f0000000000)) [ 805.860864][T14552] ldm_validate_partition_table(): Disk read failed. [ 805.889498][T14552] Dev nbd1: unable to read RDB block 0 12:45:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x68000000) [ 805.908046][T14552] nbd1: unable to read partition table [ 805.940669][T14674] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 805.979859][T14702] ldm_validate_partition_table(): Disk read failed. 12:45:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0x80404509) [ 805.989097][T14702] Dev nbd1: unable to read RDB block 0 [ 805.996870][T14702] nbd1: unable to read partition table [ 806.018569][T14702] ldm_validate_partition_table(): Disk read failed. [ 806.032339][T14702] Dev nbd1: unable to read RDB block 0 12:45:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCGARP(r1, 0x8954, &(0x7f0000000000)={{0x2, 0x4e21, @remote}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x14, {0x2, 0x4e23, @rand_addr=0x6f96}, 'virt_wifi0\x00'}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:45:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6c000000) [ 806.040098][T14520] block nbd4: shutting down sockets [ 806.047914][T14702] nbd1: unable to read partition table [ 806.079110][T14674] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:45:58 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x408}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:45:58 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xa00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 806.247157][T14755] block nbd5: shutting down sockets 12:45:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r3, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r4 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x80, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(0xffffffffffffffff, 0x89e0, &(0x7f0000000040)={r3, r4}) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 806.292347][T14764] ldm_validate_partition_table(): Disk read failed. [ 806.323225][T20510] block nbd4: Receive control failed (result -107) [ 806.333862][T14762] block nbd4: shutting down sockets [ 806.350155][T14764] Dev nbd1: unable to read RDB block 0 12:45:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xc0045878) [ 806.426675][T14764] nbd1: unable to read partition table [ 806.427905][T14847] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 806.457739][T14762] block nbd4: shutting down sockets [ 806.477383][T14764] ldm_validate_partition_table(): Disk read failed. [ 806.489362][T14764] Dev nbd1: unable to read RDB block 0 12:45:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x74000000) [ 806.517766][T14764] nbd1: unable to read partition table [ 806.552443][T14847] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 806.611623][T14885] block nbd5: shutting down sockets 12:45:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) syz_open_dev$char_usb(0xc, 0xb4, 0x3) setsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, 0x0, 0x0) ftruncate(r4, 0x200004) sendfile(r3, r4, 0x0, 0x80001d00c0d0) ioctl$SG_GET_PACK_ID(r4, 0x227c, &(0x7f0000000080)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) r5 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x100, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r5, 0x4010640d, &(0x7f0000000040)={0x6}) [ 806.680658][T14889] ldm_validate_partition_table(): Disk read failed. [ 806.682052][T20510] block nbd0: Receive control failed (result -107) [ 806.700753][T20510] block nbd0: Receive control failed (result -107) [ 806.711208][T14827] block nbd0: shutting down sockets 12:45:58 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x409}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 806.741030][T14889] Dev nbd1: unable to read RDB block 0 12:45:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xc0045878) [ 806.790411][T14889] nbd1: unable to read partition table 12:45:58 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40a}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 806.857129][T20510] block nbd0: Receive control failed (result -107) [ 806.865894][T14966] block nbd0: shutting down sockets 12:45:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xa, &(0x7f0000000100)='/dev/nbd#\x00', 0xffffffffffffffff}, 0x30) getresgid(&(0x7f00000002c0), &(0x7f0000000300)=0x0, &(0x7f0000000340)) r5 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r5, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r6 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r6, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) sendmsg$unix(r2, &(0x7f0000000400)={&(0x7f0000000000)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f00000000c0)=[{&(0x7f0000000180)="77a8541a0d5cb01e67d4ed7393cfae47704ed9fbb8bb4dd4d6e723d2969d04d695176e3962819f96b0e45ead32e868cd1e5ccd9b1808ebf56c67fe11208dcf504a1b453c69221b6de7a011f18330419f53355e89f7de8025ef5e16bb2138f16b20b31e8f5b9c21ca0a3c342b22877881d9e3508627d1d375a2048802e457595fe2d5fc8ad69d9dd39c5a54f704fecc2ab39bb9c7858abd18338b80d9246b6e51116d8c84d1431c29ef60473a5228ab90a80360e744cff9c43b489554b151dcdeb507fd0691504a9bba", 0xc9}, {&(0x7f0000000080)="0e709f65cd3987edf89652cf1bb7eca8fde3e3517d5a8e2081fc3906d8948e8fc5319040f25973a4982d6c66dc3dc0f0", 0x30}], 0x2, &(0x7f0000000380)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=r3, @ANYRES32=0x0, @ANYRES32=r4, @ANYBLOB="000000001c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32=r5, @ANYBLOB="0000000004000000000000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32=r6, @ANYRES32=r0, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0x80, 0x80000}, 0x8080) ioctl$SIOCPNENABLEPIPE(r2, 0x89ed, 0x0) r7 = socket(0x10, 0x1, 0x9) ioctl$NBD_SET_SOCK(r0, 0xab00, r7) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) r9 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x1ff) r10 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) ioctl$NBD_SET_SOCK(r8, 0xab03, 0xffffffffffffffff) ioctl$NBD_SET_SIZE_BLOCKS(r8, 0xab07, 0x716) [ 806.985573][T14889] ldm_validate_partition_table(): Disk read failed. [ 807.018912][T15114] block nbd5: shutting down sockets 12:45:59 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xb00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 807.043689][T14889] Dev nbd1: unable to read RDB block 0 [ 807.050881][T14889] nbd1: unable to read partition table [ 807.083534][T15116] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:45:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7a000000) [ 807.154522][T20510] block nbd4: Receive control failed (result -107) [ 807.193345][T15156] QAT: Invalid ioctl [ 807.272318][T15116] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 807.291249][T15275] ldm_validate_partition_table(): Disk read failed. [ 807.307683][T15275] Dev nbd1: unable to read RDB block 0 [ 807.325980][T15275] nbd1: unable to read partition table [ 807.349959][T15275] ldm_validate_partition_table(): Disk read failed. [ 807.364314][T15275] Dev nbd1: unable to read RDB block 0 12:45:59 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xc00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:45:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x97ffffff) [ 807.378415][T15275] nbd1: unable to read partition table 12:45:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) 12:45:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xc0101282) [ 807.428813][T15216] block nbd0: shutting down sockets 12:45:59 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40c}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 807.584225][T15341] ldm_validate_partition_table(): Disk read failed. [ 807.655041][T15047] block nbd4: shutting down sockets [ 807.671464][T15360] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 807.684548][T15342] block nbd0: shutting down sockets [ 807.690146][T15344] block nbd5: shutting down sockets [ 807.708744][T15342] block nbd0: shutting down sockets [ 807.714819][T15341] Dev nbd1: unable to read RDB block 0 [ 807.811311][T15341] nbd1: unable to read partition table [ 807.861099][T15341] ldm_validate_partition_table(): Disk read failed. [ 807.889209][T15360] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 807.934772][T15120] block nbd4: Could not allocate knbd recv work queue. [ 807.943953][T15341] Dev nbd1: unable to read RDB block 0 [ 807.955545][T15341] nbd1: unable to read partition table [ 807.979057][T15488] block nbd4: Could not allocate knbd recv work queue. [ 807.998540][T15488] block nbd4: shutting down sockets 12:46:00 executing program 4: r0 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'netdevsim0\x00', 0x2000}) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x2080, 0x0) ioctl$KVM_CHECK_EXTENSION_VM(r4, 0xae03, 0xfffffffffffffff8) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) sendmsg$IPSET_CMD_PROTOCOL(r6, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYBLOB="440000000000a77f76cfa0c0fa348a05000100070000000500010007735e624e5eb1448e9e60000000050001000700000005000100070000000500000100070000000000000000000088de2289f15191bc09bf8f9ae790092e96773cc32996a6a26d0648d1cd9b48298489af4370e58d3d208125594919879e30a51142eec8632f011c5cad9157603d44036a952c965e4b375517a7776be97772cf8646a87278d8b314b842ecc8dcb79733455bb1f80df6d59c55516aa2ff3f21bb9fbcd4a99a4c99dd5dcefc3514b50d0908438594bebfd06604161534af4b7b955db2a16b83316a7adeb0aa"], 0x44}, 0x1, 0x0, 0x0, 0x4008094}, 0x80) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) 12:46:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x64040, 0x0) ioctl$SNDRV_PCM_IOCTL_UNLINK(r3, 0x4161, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r8) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:00 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xe00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xc0189436) 12:46:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xf2100000) 12:46:00 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x410}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 808.109978][T15563] ldm_validate_partition_table(): Disk read failed. [ 808.139840][T15563] Dev nbd1: unable to read RDB block 0 [ 808.175623][T15563] nbd1: unable to read partition table [ 808.201233][T15563] ldm_validate_partition_table(): Disk read failed. [ 808.210347][T15563] Dev nbd1: unable to read RDB block 0 12:46:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xfdfdffff) [ 808.236846][T20510] block nbd0: Receive control failed (result -107) [ 808.246091][T20510] block nbd0: Receive control failed (result -107) [ 808.257662][T15563] nbd1: unable to read partition table [ 808.257991][T15566] block nbd5: shutting down sockets [ 808.271942][T15562] block nbd0: shutting down sockets [ 808.338357][T15616] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 808.376063][T15624] ldm_validate_partition_table(): Disk read failed. [ 808.390288][T15624] Dev nbd1: unable to read RDB block 0 [ 808.394313][T15576] block nbd0: Device being setup by another task [ 808.401581][T15624] nbd1: unable to read partition table [ 808.427388][T15575] block nbd4: shutting down sockets 12:46:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/backup_only\x00', 0x2, 0x0) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$SO_TIMESTAMPING(r3, 0x1, 0x41, &(0x7f00000000c0), &(0x7f0000000200)=0x4) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0x0) ftruncate(r4, 0x200004) sendfile(r2, r4, 0x0, 0x80001d00c0d0) openat$snapshot(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/snapshot\x00', 0x10002, 0x0) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) sendfile(r5, r6, 0x0, 0x80001d00c0d0) ioctl$SNDRV_RAWMIDI_IOCTL_STATUS64(r6, 0xc0385720, &(0x7f0000000180)={0x1}) r7 = syz_open_dev$ndb(0x0, 0x0, 0x32d001) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_DO_IT(r7, 0xab03) r8 = socket$inet6(0xa, 0xa, 0x0) ioctl$sock_SIOCADDDLCI(r8, 0x8980, &(0x7f0000000000)={'bridge_slave_1\x00', 0x6}) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000080)={0xffffffffffffffff, 0x0, 0x0, 0x8, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x9}, 0x20) [ 808.449574][T15624] ldm_validate_partition_table(): Disk read failed. [ 808.469018][T15624] Dev nbd1: unable to read RDB block 0 [ 808.473497][T15616] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 808.486519][T15576] block nbd0: shutting down sockets 12:46:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xc020660b) 12:46:00 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xf00}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 808.540275][T15624] nbd1: unable to read partition table 12:46:00 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x423}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket$inet6(0xa, 0x400000000001, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) ioctl$SCSI_IOCTL_GET_BUS_NUMBER(r5, 0x5386, &(0x7f00000000c0)) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r6) r7 = socket$inet6(0xa, 0x2, 0x0) close(r7) r8 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r7, 0x84, 0xd, 0x0, 0x0) ftruncate(r8, 0x200004) sendfile(r7, r8, 0x0, 0x80001d00c0d0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f0000000000)='/dev/nbd#\x00', r8}, 0x10) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xfdffffff) [ 808.712967][T15789] block nbd5: shutting down sockets [ 808.839473][T15850] ldm_validate_partition_table(): Disk read failed. [ 808.856778][T15845] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 808.869770][T15850] Dev nbd1: unable to read RDB block 0 12:46:00 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x448}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 808.893381][T15850] nbd1: unable to read partition table [ 808.937009][T15946] block nbd0: Device being setup by another task [ 808.956947][T15850] ldm_validate_partition_table(): Disk read failed. 12:46:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xc0481273) 12:46:01 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x1100}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 808.991512][T15789] block nbd5: shutting down sockets [ 809.006615][T15850] Dev nbd1: unable to read RDB block 0 [ 809.026385][T15850] nbd1: unable to read partition table [ 809.088427][T20510] block nbd0: Receive control failed (result -107) [ 809.105360][T16014] block nbd5: shutting down sockets 12:46:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xff000000) [ 809.199545][T16045] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x200800, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 809.295498][ T2628] print_req_error: 1405 callbacks suppressed [ 809.295515][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 809.313338][ T2628] buffer_io_error: 1414 callbacks suppressed [ 809.313348][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 809.329710][T16045] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 809.334215][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 809.354460][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 809.362876][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 2 prio class 0 [ 809.374430][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read [ 809.382948][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 809.391658][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 809.402927][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 809.412981][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 809.424041][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 809.432337][ T2628] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 2 prio class 0 12:46:01 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x44c}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 809.443531][ T2628] Buffer I/O error on dev nbd1, logical block 2, async page read [ 809.451447][ T2628] Buffer I/O error on dev nbd1, logical block 3, async page read [ 809.461493][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 809.469853][T15791] block nbd4: shutting down sockets [ 809.472601][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 809.486431][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 809.494850][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 809.506220][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 809.517492][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 809.530925][T16123] ldm_validate_partition_table(): Disk read failed. [ 809.539588][T16123] Dev nbd1: unable to read RDB block 0 [ 809.548569][T16123] nbd1: unable to read partition table [ 809.562185][T16123] ldm_validate_partition_table(): Disk read failed. [ 809.570942][T16123] Dev nbd1: unable to read RDB block 0 [ 809.578619][T16123] nbd1: unable to read partition table [ 809.592252][T20510] block nbd5: Receive control failed (result -107) [ 809.601011][T20510] block nbd5: Receive control failed (result -107) [ 809.609506][T16137] block nbd5: shutting down sockets [ 809.690613][T15834] block nbd0: shutting down sockets 12:46:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x800, 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xfffffdfd) 12:46:01 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x1200}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 809.749209][T16197] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 809.829526][T20510] block nbd0: Receive control failed (result -107) [ 809.840342][T15834] block nbd0: shutting down sockets [ 809.859138][T16339] ldm_validate_partition_table(): Disk read failed. [ 809.883624][T16339] Dev nbd1: unable to read RDB block 0 [ 809.923129][T16197] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:02 executing program 5: r0 = socket$bt_hidp(0x1f, 0x3, 0x6) readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/224, 0xe0}, {&(0x7f0000000180)=""/184, 0xb8}], 0x2) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = getpid() sched_setscheduler(r4, 0x5, &(0x7f0000000380)) process_vm_writev(r4, &(0x7f0000000340)=[{&(0x7f0000000240)}, {&(0x7f0000000280)=""/141, 0x8d}], 0x2, &(0x7f0000000780)=[{&(0x7f00000008c0)=""/160, 0xa0}, {&(0x7f0000000440)=""/3, 0x3}, {&(0x7f0000000480)=""/26, 0x1a}, {&(0x7f00000004c0)=""/118, 0x76}, {&(0x7f0000000540)=""/135, 0x87}, {&(0x7f0000000600)=""/103, 0x67}, {&(0x7f0000000680)=""/50, 0x32}, {&(0x7f00000006c0)=""/167, 0xa7}], 0x8, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) r6 = msgget(0x2, 0x1e0) syz_open_dev$tty1(0xc, 0x4, 0x3) msgctl$IPC_STAT(r6, 0x2, &(0x7f0000000800)=""/156) ioctl$NBD_DO_IT(r3, 0xab03) [ 809.984397][T16339] nbd1: unable to read partition table [ 810.023274][T16157] block nbd5: shutting down sockets 12:46:02 executing program 0: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f0000001640)=[{&(0x7f0000000280)="440a61f251c1c4e23486312947adcce7af5edab79d00ebb855faa5a27275e95907d782f4e6f980b4ebe9c71ca91341e58485d9296be333e3", 0x38}], 0x1, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) socket(0x10, 0x3, 0x0) r3 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000280)=ANY=[@ANYBLOB="380000002400070500"/20, @ANYRES32=r3, @ANYBLOB="00000000fffffffff6ffffff0b0001006d756c74697100"], 0x3}}, 0x0) splice(r0, 0x0, r2, 0x0, 0xe47, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(0x0, 0x0, 0x0) r7 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) ioctl$NBD_SET_SOCK(r6, 0xab03, 0xffffffffffffffff) 12:46:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xffffff97) 12:46:02 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x460}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:02 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x1300}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) getpeername$l2tp(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x0, @loopback}, &(0x7f0000000040)=0x10) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 810.296497][T20510] block nbd5: Receive control failed (result -107) [ 810.305109][T20510] block nbd5: Receive control failed (result -107) [ 810.313779][T16457] block nbd5: shutting down sockets [ 810.353661][T16469] ldm_validate_partition_table(): Disk read failed. [ 810.393965][T16469] Dev nbd1: unable to read RDB block 0 [ 810.437987][T16471] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 810.471476][T16469] nbd1: unable to read partition table [ 810.519274][T20510] block nbd4: Receive control failed (result -107) [ 810.531444][T16477] block nbd4: shutting down sockets [ 810.542062][T16461] block nbd5: Could not allocate knbd recv work queue. [ 810.544383][T16479] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. [ 810.562365][T16461] block nbd5: shutting down sockets [ 810.585857][T16469] ldm_validate_partition_table(): Disk read failed. [ 810.605534][T16471] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 810.624003][T16477] block nbd4: shutting down sockets 12:46:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) sendto$x25(r1, &(0x7f0000000040)="4775637d0034e52818234f0309af6ee3e3cd38ce7cbdf5a60d1f03bf0013a3650fce343582433e973ce84b591802c2a88d991c19f28dd81aad2c9dda7de3c333e0ddd0a4794a90de7d14eab35b853122cdb54b4ed98b441ad993ec73920352e30e32f95e1ca58d8490039c8872e88b3669a7b62a1d774c3b13dd98ef4c54c2aac07971719c14666ebfed66f0749dfcaabeeb794abac72588966aa41c1d7bd9d674e5ddf450a58699ba97b26ae51f4289de9929c723c3cff23e758b5b2231d67adc420d7620322683ff7dd5e7afd446", 0xcf, 0x8000, 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCGIFADDR(r3, 0x8915, &(0x7f0000000000)={'veth0_macvtap\x00', {0x2, 0x4e23, @remote}}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 810.650788][T16469] Dev nbd1: unable to read RDB block 0 [ 810.681314][T16469] nbd1: unable to read partition table 12:46:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xfffffffd) 12:46:02 executing program 4: r0 = request_key(&(0x7f0000000080)='id_resolver\x00', &(0x7f00000000c0)={'syz', 0x2}, &(0x7f0000000100)='-vmnet0ppp0@#eth0^%\x00', 0xffffffffffffffff) add_key(&(0x7f0000000000)='big_key\x00', &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, r0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/mls\x00', 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_WRITEN_FRAMES(r2, 0x40184152, &(0x7f0000000600)={0x0, &(0x7f00000005c0)=[&(0x7f0000000240)="92931046b472b81589b219b19fb89fef18b62659b3446888dca7188b1591e654563a97669e6b419769cf86a87e17e3f69e333d819e1717947b445932726127530330ccb5c8c12c28c5bc25ab15157e5734c2014fb82fcac7115ee73082abd2e34c49455d7d680ba3e0fb1485a6d412a7caca18696c323c65d0664fa044047c1f3c88a3da1cf2c21040fe0e0989d82862b97ec9664ff2b27edacdf2d849fcf73d6a30d1a6928ca18e9bf0f4aa9612dcd3417cbdf9aeeff2ccfc501353781ce710ec8c4317620585", &(0x7f0000000340), &(0x7f0000000380)="8293af651d174fb59be11972bead8f6dc6421abb44d0c4a6f477e1006164b513c9a2bbc7727623c0268fc9040868db7c3cc5777ea96e0e651a6b3da0006200fff8eced9bae4fe651e056dae47c57ff869ff3dcfa69708a6488983166a72e9b7f81a34a19620f2c0d4928dee72b4de437e5d2e16be3d692227df50ca6d70f3b44d83f283efdc90ac9b20e2281a22fc39c739f41797b4eab40129f9d12202fece26acf574be4", &(0x7f0000000440)="c5793f511f08c9ae154ca9d4eedbe82744909deda055a01532bcdc29ecf902bcb0317bcfd659bdca781f59074eadd4ab5662173d86745625960b734d85598af4e1d3bc42e390afd54db5faa241c3c48d93b57a15e4f5db8687bf4fa16fdd5b7a9dc5bbf6433d23328d43b3bef81b792082b1741a6f4ed436dc4af0c47df7c4887312dd2d3f613be6d2d024b8c6237be5b1ceae0ed749ab7127905921f8f82b7bb881f9d6a30a77c41db3f7da004f401f342a5db801ae6217be8f4e377f551a2e3815c4fcc505042be2b9d970af8d8caf6fa7398ef799244702387bbdea38d359cb5451ce000e165346a0d2bb4f447e7c82c898d49a53ce", &(0x7f0000000540)="b7f8a0d501f0a99b7b442aab447ec8bf2591e34b2fbb395de20ed8c887e1910beadd127079ff3ed80be247d2c8023d85c00cf6a2c1c3e8d8f638f4826fd248cf541b099d6504751e747625b7f602f87a57bc92e2d7f30084b3b756683783e8f57fc4"], 0x101}) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) getsockopt$bt_BT_SNDMTU(0xffffffffffffffff, 0x112, 0xc, &(0x7f0000000180)=0x8, &(0x7f00000001c0)=0x2) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) [ 810.716684][T20510] block nbd0: Receive control failed (result -107) [ 810.732256][T20510] block nbd0: Receive control failed (result -107) [ 810.750448][T16476] block nbd0: shutting down sockets 12:46:02 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x468}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:02 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x1400}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 810.855007][T16479] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. 12:46:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x5, 0x5, 0xfc) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 810.920857][T16589] block nbd5: shutting down sockets [ 810.977639][T20510] block nbd4: Receive control failed (result -107) [ 810.987449][T16594] block nbd4: shutting down sockets [ 811.020040][T16600] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 811.034017][T20510] block nbd4: Receive control failed (result -107) [ 811.048416][T20510] block nbd0: Receive control failed (result -107) [ 811.066072][T16608] ldm_validate_partition_table(): Disk read failed. [ 811.077759][T16537] block nbd0: shutting down sockets [ 811.088723][T16607] block nbd4: shutting down sockets 12:46:03 executing program 0: write$binfmt_elf32(0xffffffffffffffff, &(0x7f0000000800)=ANY=[@ANYBLOB="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"/1613], 0x5cc) r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r2, 0x84, 0x15, &(0x7f0000000000)={0x8}, 0x1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) setsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r4, 0x84, 0x7, &(0x7f0000000040)={0x2}, 0x4) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS(0xffffffffffffffff, 0xc0406619, &(0x7f0000000080)={{0x2, 0x0, @reserved="89560e032bc73f73d3053b4913ccfb485d25f8e971c49f0cdec1bb3cb6542328"}}) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 811.142446][T16608] Dev nbd1: unable to read RDB block 0 [ 811.161900][T16600] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 811.222141][T16608] nbd1: unable to read partition table 12:46:03 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x46c}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 811.275850][T20510] block nbd0: Receive control failed (result -107) [ 811.285094][T20510] block nbd0: Receive control failed (result -107) [ 811.293186][T20510] block nbd0: Receive control failed (result -107) [ 811.312936][T16631] block nbd0: shutting down sockets 12:46:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x6, 0x121c0) ioctl$VIDIOC_TRY_EXT_CTRLS(r3, 0xc0205649, &(0x7f0000000100)={0x50000, 0x41a, 0x1, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x9e0903, 0x6, [], @string=&(0x7f0000000080)=0x5}}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0)='nl80211\x00') sendmsg$NL80211_CMD_REQ_SET_REG(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r6, @ANYBLOB="9d6dabb317286c3f00001b0000000700210062620000"], 0x1c}}, 0x0) ioctl$PPPIOCSMAXCID(0xffffffffffffffff, 0x40047451, &(0x7f0000000400)=0x7) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) getpeername$packet(r8, &(0x7f00000002c0)={0x11, 0x0, 0x0}, &(0x7f0000000300)=0x14) sendmsg$NL80211_CMD_NEW_MPATH(r4, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x3c, r6, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NL80211_ATTR_MPATH_NEXT_HOP={0xa, 0x1a, @local}, @NL80211_ATTR_MPATH_NEXT_HOP={0xa}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r9}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x2000004c) ioctl$SNDRV_PCM_IOCTL_HW_REFINE_OLD(r3, 0xc1004110, &(0x7f0000000180)={0x6, [0x4, 0x20, 0xeaa], [{0xa1, 0x5, 0x1, 0x1, 0x1, 0x1}, {0x49f, 0x9, 0x0, 0x0, 0x0, 0x1}, {0x5, 0x2, 0x1, 0x0, 0x1, 0x1}, {0x6, 0x5, 0x0, 0x1, 0x1, 0x1}, {0x7fff, 0x200, 0x1, 0x1, 0x1}, {0xe4b, 0x6048edc, 0x1, 0x0, 0x0, 0x1}, {0x1f, 0x8, 0x0, 0x1, 0x1}, {0xe3d, 0x1, 0x0, 0x1, 0x1}, {0x7, 0x8, 0x0, 0x0, 0x0, 0x1}, {0x0, 0x400, 0x0, 0x1, 0x1}, {0x1c, 0x6, 0x1, 0x1, 0x1}, {0x7f, 0x6, 0x0, 0x0, 0x1}], 0x9}) [ 811.374932][T16608] ldm_validate_partition_table(): Disk read failed. [ 811.413890][T20510] block nbd5: Receive control failed (result -107) [ 811.423873][T20510] block nbd4: Receive control failed (result -107) [ 811.430031][T16608] Dev nbd1: unable to read RDB block 0 [ 811.437788][T16626] block nbd5: shutting down sockets 12:46:03 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x1800}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 811.471336][T16728] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 811.476614][T16723] block nbd0: Could not allocate knbd recv work queue. [ 811.493070][T16722] block nbd4: shutting down sockets [ 811.501614][T16608] nbd1: unable to read partition table [ 811.518032][T16723] block nbd0: shutting down sockets 12:46:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1000000000) [ 811.594824][T16728] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 811.603695][T20510] block nbd4: Receive control failed (result -107) 12:46:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) r4 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r4, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r5 = accept(r4, &(0x7f0000000040)=@caif, &(0x7f00000000c0)=0x80) sendmsg$nl_route_sched(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=@getchain={0x2c, 0x66, 0x20, 0x70bd2b, 0x25dfdbfb, {0x0, 0x0, 0x0, 0x0, {0xffff, 0xfff3}, {0xfff3, 0x5}, {0xd, 0xe}}, [{0x8, 0xb, 0x7}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4001}, 0x8c0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0x5) openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) [ 811.692584][T16722] block nbd4: shutting down sockets 12:46:03 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x474}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0x0) ftruncate(r3, 0x200004) r4 = socket$inet6(0xa, 0x800, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) r6 = socket$inet6(0xa, 0x400000000001, 0x0) close(r6) r7 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r6, 0x84, 0xd, 0x0, 0x0) ftruncate(r7, 0x200004) sendfile(r6, r7, 0x0, 0x80001d00c0d0) ioctl$TIOCGSID(r7, 0x5429, &(0x7f0000000280)=0x0) ioctl$TIOCSPGRP(r5, 0x5410, &(0x7f00000002c0)=r8) sendfile(r2, r3, 0x0, 0x80001d00c0d0) ioctl$TCSETA(r3, 0x5406, &(0x7f0000000000)={0xf80, 0xfff8, 0x4, 0x1, 0x1b, "a07f2b6c09372e03"}) r9 = syz_open_dev$ndb(0x0, 0x0, 0x0) r10 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1ff) r11 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r10, 0xab00, r11) r12 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0)='nl80211\x00') sendmsg$NL80211_CMD_DEL_STATION(r11, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x98, r12, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES={0x70, 0xbe, "e20ec9a6ec4a263c2271155629a2d6aca23f6b54bf3bc3becb1e0ef05bf7c5ed7b8991e98704111dc87e0cf21f4103310d215c57d45e6164763509eebba823927d3b6670f8c03bceb45b9b859e0301bd252eb92c770f47c99c2477ddc704f6fa6e465cfbb9eff14a8a49ff2a"}, @NL80211_ATTR_STA_FLAGS2={0xc, 0x43, {0x0, 0x7fff}}, @NL80211_ATTR_LOCAL_MESH_POWER_MODE={0x8, 0xa4, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000040}, 0x8c0) ioctl$NBD_SET_SOCK(r9, 0xab03, 0xffffffffffffffff) [ 811.776249][T16847] ldm_validate_partition_table(): Disk read failed. [ 811.811510][T16847] Dev nbd1: unable to read RDB block 0 12:46:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_GET_CHILD_SUBREAPER(0x25) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x48080) ioctl$NBD_DO_IT(r2, 0xab03) syz_open_dev$sndctrl(&(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x4, 0x2200) ioctl$NBD_DO_IT(r2, 0xab03) r3 = creat(&(0x7f0000000000)='./file0\x00', 0x100) ioctl$SOUND_MIXER_READ_CAPS(r3, 0x80044dfc, &(0x7f0000000080)) writev(r0, &(0x7f0000002480)=[{&(0x7f0000000180)="c7bb7684125fe2a0d23c74d2812d55356df9483b43be32e86924565026efc937c0fc22b0031a02034cec1b24c8edcdc5639c759d1b3bc936a14a3238a41c515df2", 0x41}, {&(0x7f0000000200)="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0x1000}, 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0x1000}, {&(0x7f0000002200)="782399ba336bff3d4fda7bc3a823b1a94cfa247c0b618b3008a83f3593504f0ca0c59981e2acfb30fb1ee1e87a73cb60d6548381b4890b01e32de912bacea7dea351ff4afb557ea7ae691b2a94006ec0b8e9b7264def5bf4d19cd060b1b985a08ec7e1322174abae01a6d1560d969b7416fcb07789c289c7aaf5e70969e2e07e4d6735c8e4cca20400abfda510e7eb14a0fe249d3aa1fcec4de5ce7c04e13088f6136d16d4d3", 0xa6}, {&(0x7f00000022c0)="734612498fedfd326709d8db8e3b3ac62eb56f7ed39fe177fea81cbb6d0048391e5ecb2c1fd3ee53bdd77e956185160e1b717a68af5dbb8fab831792392a80307353d4c0b72009bfba485d20b02161e5027e69892bcf6ccd588aaad4d20d74237638108c58a770fe608c23dbe06f", 0x6e}, {&(0x7f0000002340)="f35f765bea5cffc59b52882e6dd0cd6fd8a74d0f03cbe9897e933e21c0002d527f8d87e0fbef04e1d4b4990f9a27fdb2ac6065518646370de014504ec35233227d9052ed0ba9e463e480751ebfa21629a379cab0fe613822ec6b09e0442761c1c789235a03be51843b2b30a0", 0x6c}, {&(0x7f0000000100)="5804e6e836359779eab7a67e8f70ecbc0e30a3281c752d6f817b2511bb191c400d7b8ef5b12912c83992", 0x2a}, {&(0x7f00000023c0)="738bb9cae92c868045940f80659765d0f9c3cd56038c3b3245aaba414320cfc90153623e513a4b6ad38605ec7a0a179f19e182cb7401d1efb8b4fa57f7d0e80722daaaf959f7cc89b7b8dba4519cfb4be2e2dc525ac70c2e387fd5bc76c8f5c1657df8e9fba5ed320d14282189ce9d805a2ac5ab28efdb03418e9dbffb1a226a04976ae070e86caefdf6653fa164fc5ce52980c2", 0x94}], 0x8) ioctl$ASHMEM_SET_NAME(r3, 0x41007701, &(0x7f0000000040)='eth05systemwlan0#%trustedvboxnet1/\x16%eth1GPL\x00') [ 811.830434][T16847] nbd1: unable to read partition table [ 811.856513][T16847] ldm_validate_partition_table(): Disk read failed. 12:46:03 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x3580}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 812.024787][T16998] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 812.032352][T16847] Dev nbd1: unable to read RDB block 0 [ 812.052109][T20510] block nbd4: Receive control failed (result -107) [ 812.076053][T16956] block nbd4: shutting down sockets [ 812.115735][T16847] nbd1: unable to read partition table [ 812.117798][T16956] block nbd4: shutting down sockets 12:46:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) r4 = getpid() sched_setscheduler(r4, 0x5, &(0x7f0000000380)) ptrace$getsig(0x4202, r4, 0x7, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 812.157653][T16998] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 812.174085][T16860] block nbd5: shutting down sockets 12:46:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x2000, 0x0) r4 = socket$inet6(0xa, 0x400000000001, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) r6 = ioctl$LOOP_CTL_GET_FREE(r5, 0x4c82) ioctl$LOOP_CTL_ADD(r3, 0x4c80, r6) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) r9 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x1ff) r10 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) r11 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000000)='/proc/capi/capi20ncci\x00', 0x10041, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r11) r12 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r12, 0xab03) ioctl$NBD_DO_IT(r12, 0xab03) r13 = getpid() sched_setscheduler(r13, 0x5, &(0x7f0000000380)) getpgid(r13) 12:46:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x100000000000000) 12:46:04 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x47a}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 812.412351][T16999] block nbd0: shutting down sockets 12:46:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000180)='/dev/snapshot\x00', 0x0, 0x0) setsockopt$bt_l2cap_L2CAP_OPTIONS(r6, 0x6, 0x1, &(0x7f00000001c0)={0x2, 0x8001, 0x9, 0x9, 0xd7, 0x1, 0x8}, 0xc) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) sendmsg$NFQNL_MSG_VERDICT(r7, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x1, 0x3, 0x3, 0x0, 0x0, {0x2, 0x0, 0x3}}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x2000) ioctl$SNDCTL_DSP_NONBLOCK(r6, 0x500e, 0x0) prctl$PR_GET_TID_ADDRESS(0x28, &(0x7f0000000100)) 12:46:04 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x4000}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 812.508618][T20510] block nbd5: Receive control failed (result -107) [ 812.515743][ T9049] block nbd5: Receive control failed (result -107) [ 812.556405][T17183] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 812.565489][T17069] block nbd5: shutting down sockets [ 812.604855][T17179] ldm_validate_partition_table(): Disk read failed. 12:46:04 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x500}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 812.680677][ T9049] block nbd4: Receive control failed (result -107) [ 812.689309][T17179] Dev nbd1: unable to read RDB block 0 [ 812.689757][ T9049] block nbd4: Receive control failed (result -107) [ 812.706258][ T9049] block nbd4: Receive control failed (result -107) 12:46:04 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x5865}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 812.792263][T17179] nbd1: unable to read partition table [ 812.817555][T20510] block nbd5: Receive control failed (result -107) [ 812.817587][ T9049] block nbd5: Receive control failed (result -107) [ 812.838937][T17069] block nbd5: shutting down sockets 12:46:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x200000000000000) [ 812.921280][T17296] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 812.996379][T17296] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 813.003878][T20510] block nbd0: Receive control failed (result -107) [ 813.023954][T17340] block nbd0: Device being setup by another task 12:46:05 executing program 5: keyctl$instantiate_iov(0x14, 0x0, 0x0, 0xfffffffffffffd66, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x1, 0x8101}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) io_setup(0x0, 0x0) io_getevents(0x0, 0x0, 0x0, &(0x7f0000000140), &(0x7f0000000180)={0x0, 0x1c9c380}) socket$netlink(0x10, 0x3, 0x8000000004) writev(0xffffffffffffffff, &(0x7f00000004c0)=[{&(0x7f0000000240)="580000001400192340834b80043f679a10ffff7f4e32f61bcdf1e422000000000100804824ca945f64009400050028925aaa000000000000008400f0fffeff2c707f8f00ff050000000010000100090a0000000000000000", 0x58}, {&(0x7f0000000100)='^', 0x1}, {&(0x7f0000000440)="a6211cf220c8f92935dd52cb5bcb83a0d28627a9e41db0628f3342982661e9a249e869cc1611b7507ea185c22d6b2d9d7a41f29d3eb3e95159d5150cc10abda4be7f288369a233a2682f5a55e7eb08cfc588cd3b040bdc4406ede9", 0x5b}, {&(0x7f0000000640)="2f1cc89c210be8c42ecf4f6e8aa95bc8a786a8dde1f0da076c95004adec40da46c5c99e91906c88f36018228f6db3fd4970a1cf583354cebe9c93268a1e088082b7f09c446a84bc83d54d3743e9599f6c2362ea3dcaf535b2ae85bf595b325f96e52577d502cd2d0cadc8a0c5d03229b0b2dfed6601ec5c6fb7c00ef993877bbb51eb1671f7b659766f62dedc91177d050beb4139a5a0ba1724f5ba599893589377574643e036b66df", 0xa9}, {&(0x7f0000000880)}, {&(0x7f00000014c0)="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", 0x1000}], 0x6) ioctl$TUNDETACHFILTER(0xffffffffffffffff, 0x401054d6, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f00000002c0)={0x0, 'veth1_vlan\x00'}, 0x18) gettid() ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f00000001c0)='net/ipv6_route\x00') r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/snapshot\x00', 0x20601, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000000)) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='memory.stat\x00', 0x275a, 0x0) r2 = openat$fuse(0xffffffffffffff9c, &(0x7f0000001480)='/dev/fuse\x00', 0x2, 0x0) read$FUSE(r2, 0x0, 0x0) write$FUSE_INIT(r2, &(0x7f0000000340)={0x50, 0x0, 0x1, {0x7, 0x1f, 0x0, 0x0, 0x4000}}, 0x50) ioctl$FS_IOC_FSSETXATTR(r2, 0x401c5820, &(0x7f00000000c0)={0x5, 0xa, 0x0, 0x40001}) write$cgroup_int(0xffffffffffffffff, &(0x7f0000000380), 0x1040c) ioctl$EXT4_IOC_ALLOC_DA_BLKS(0xffffffffffffffff, 0x660c) writev(0xffffffffffffffff, &(0x7f0000000000), 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000800)="39000000100003044026064ba478fc650000ff3f010e0000450001070000181419001a0015002517bfaaba571e4983f2e621d00a00040008000100000010b1932da4e9d44c46f4562d973c1f97", 0x4d}], 0x1) r3 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x0) ioctl$SCSI_IOCTL_SEND_COMMAND(r3, 0x1, &(0x7f0000000480)=ANY=[]) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, 0x0) openat$vim2m(0xffffffffffffff9c, &(0x7f0000000540)='/dev/video35\x00', 0x2, 0x0) close(r0) 12:46:05 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x6000}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 813.086469][T17409] ldm_validate_partition_table(): Disk read failed. [ 813.101367][T17409] Dev nbd1: unable to read RDB block 0 [ 813.121387][T17409] nbd1: unable to read partition table 12:46:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x22, 0x5, 0xfa) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) getsockopt$EBT_SO_GET_INIT_INFO(r1, 0x0, 0x82, &(0x7f0000000000)={'nat\x00'}, &(0x7f0000000080)=0x78) r3 = syz_open_dev$ndb(0x0, 0x0, 0x20000) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$VIDIOC_S_EXT_CTRLS(0xffffffffffffffff, 0xc0205648, &(0x7f0000000100)={0xf000000, 0x7, 0x4588, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x990901, 0x24, [], @value=0x6}}) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r5, 0x40405514, &(0x7f0000000180)={0x1, 0x0, 0x6, 0x0, 'syz0\x00', 0x3}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:05 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x600}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 813.138024][T17340] block nbd0: shutting down sockets [ 813.147605][T17095] block nbd4: shutting down sockets [ 813.176995][T17409] ldm_validate_partition_table(): Disk read failed. [ 813.225159][T17409] Dev nbd1: unable to read RDB block 0 [ 813.272574][T17409] nbd1: unable to read partition table [ 813.364221][T17415] block nbd0: shutting down sockets [ 813.395300][T17421] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 813.429828][T17422] block nbd0: Could not allocate knbd recv work queue. [ 813.498095][T17421] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 813.539403][T20510] block nbd4: Receive control failed (result -107) [ 813.539410][ T9049] block nbd4: Receive control failed (result -107) [ 813.540586][ T9049] block nbd4: Receive control failed (result -107) [ 813.548766][T17422] block nbd0: shutting down sockets [ 813.567489][T17095] block nbd4: shutting down sockets 12:46:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000007980)={0x2, 0xb, 0x4, 0x100, 0x0, {0x0, 0x2710}, {0x1, 0x1, 0x8, 0x6, 0x9, 0x0, "a6066536"}, 0x100, 0x2, @offset=0x1, 0xa000, 0x0, 0xffffffffffffffff}) r4 = socket$pptp(0x18, 0x1, 0x2) ioctl$KVM_SET_TSC_KHZ(r3, 0xaea2, 0x8000) ioctl$sock_SIOCSIFBR(r4, 0x8941, &(0x7f0000007a40)=@get={0x1, &(0x7f0000000080)=""/144, 0x61}) r5 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) setsockopt$CAN_RAW_FILTER(r1, 0x65, 0x1, &(0x7f00000001c0)=[{{0x4}, {0x4, 0x1, 0x1, 0x1}}], 0x8) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r5, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r6 = dup2(0xffffffffffffffff, r5) ioctl$BINDER_SET_CONTEXT_MGR(r6, 0x40046207, 0x0) r7 = socket$inet6(0xa, 0x400000000001, 0x0) close(r7) r8 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r7, 0x84, 0xd, 0x0, 0x0) ftruncate(r8, 0x200004) getsockopt$IP_SET_OP_VERSION(r7, 0x1, 0x53, &(0x7f0000000200), &(0x7f0000000240)=0x8) sendfile(r7, r8, 0x0, 0x80001d00c0d0) ioctl$PPPIOCGNPMODE(r8, 0xc008744c, &(0x7f0000000180)={0xc029, 0x3}) 12:46:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x300000000000000) 12:46:05 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x200002, 0x0) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000040)=0x600, 0x4) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x400) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x4, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) 12:46:05 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x700}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:05 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x6558}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS(r1, 0xc0406619, &(0x7f0000000000)={{0x3, 0x0, @identifier="78da270ee9c8173a20a20fcb369c8a59"}}) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 813.789581][T17635] ldm_validate_partition_table(): Disk read failed. [ 813.823677][T17635] Dev nbd1: unable to read RDB block 0 [ 813.900433][T17635] nbd1: unable to read partition table [ 813.906791][T17640] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 813.921088][T17635] ldm_validate_partition_table(): Disk read failed. [ 813.935917][T17635] Dev nbd1: unable to read RDB block 0 [ 813.943581][T17635] nbd1: unable to read partition table [ 814.030283][ T9049] block nbd4: Receive control failed (result -107) [ 814.045201][ T9049] block nbd0: Receive control failed (result -107) [ 814.057130][ T9049] block nbd0: Receive control failed (result -107) [ 814.062682][T17631] block nbd5: shutting down sockets [ 814.070300][T17650] block nbd0: shutting down sockets 12:46:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) lsetxattr$trusted_overlay_origin(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='trusted.overlay.origin\x00', &(0x7f0000000080)='y\x00', 0x2, 0x2) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 814.111945][T17640] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 814.122781][T17650] block nbd0: shutting down sockets 12:46:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x400000000000000) 12:46:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x200) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) connect$x25(r1, &(0x7f0000000040)={0x9, @remote={[], 0x3}}, 0x12) ioctl$PPPIOCGNPMODE(0xffffffffffffffff, 0xc008744c, &(0x7f0000000000)={0x29, 0x1}) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) sendfile(r5, r6, 0x0, 0x80001d00c0d0) r7 = socket$inet6(0xa, 0x400000000001, 0x0) close(r7) r8 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r7, 0x84, 0xd, 0x0, 0x0) ftruncate(r8, 0x200004) sendfile(r7, r8, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_DQBUF(r6, 0xc0585611, &(0x7f00000000c0)={0xc21, 0x2, 0x4, 0x4000000, 0x3a1, {0x77359400}, {0x2, 0x8, 0x0, 0xf0, 0x3, 0x10, "60927fa3"}, 0x7, 0x3, @fd=r8, 0x6}) write$dsp(0xffffffffffffffff, &(0x7f0000000400)="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", 0x180) r9 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x1ff) r10 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) ioctl$NBD_DO_IT(r9, 0xab03) ioctl$NBD_DO_IT(r9, 0xab03) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x2400000, @empty, 0x1ff}, 0x1c) 12:46:06 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x8035}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:06 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0xa00}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 814.338802][ T9049] block nbd0: Receive control failed (result -107) [ 814.348414][ T9049] block nbd0: Receive control failed (result -107) [ 814.375144][T17864] block nbd5: server does not support multiple connections per device. [ 814.394781][ T2629] print_req_error: 874 callbacks suppressed [ 814.394799][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.409342][T17871] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 814.415573][ T2629] buffer_io_error: 886 callbacks suppressed [ 814.415583][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 814.434700][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.446071][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 814.457167][T17861] block nbd5: shutting down sockets [ 814.457505][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.474799][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read [ 814.484467][ T2629] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.495669][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 814.504480][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.515721][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 814.523837][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 814.536195][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 814.544590][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read [ 814.555678][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 814.558145][T17876] block nbd0: Device being setup by another task [ 814.573101][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.584615][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 814.593827][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.604805][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 814.618087][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.629712][ T2629] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 814.649046][T17870] ldm_validate_partition_table(): Disk read failed. [ 814.667849][T17871] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 814.684939][T17870] Dev nbd1: unable to read RDB block 0 12:46:06 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0x8100}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 814.708119][T17870] nbd1: unable to read partition table [ 814.719341][T17677] block nbd4: shutting down sockets [ 814.822727][T17870] ldm_validate_partition_table(): Disk read failed. [ 814.842131][ T9049] block nbd4: Receive control failed (result -107) [ 814.856331][T17870] Dev nbd1: unable to read RDB block 0 [ 814.873066][T17870] nbd1: unable to read partition table [ 814.918707][T17677] block nbd4: shutting down sockets 12:46:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) getsockopt$bt_sco_SCO_OPTIONS(r1, 0x11, 0x1, &(0x7f0000003200)=""/4108, &(0x7f0000000000)=0x100c) [ 815.117051][T17860] block nbd0: shutting down sockets 12:46:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x109240, 0x0) ioctl$TIOCL_PASTESEL(r4, 0x541c, &(0x7f0000000040)) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x500000000000000) 12:46:07 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x1200}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 815.241110][T18185] ldm_validate_partition_table(): Disk read failed. [ 815.277346][T18185] Dev nbd1: unable to read RDB block 0 12:46:07 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xf000}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 815.288578][T18189] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 815.308776][T18185] nbd1: unable to read partition table [ 815.309333][ T9049] block nbd4: Receive control failed (result -107) [ 815.324697][T18200] block nbd4: shutting down sockets [ 815.354273][ T9049] block nbd5: Receive control failed (result -107) [ 815.362682][ T9049] block nbd5: Receive control failed (result -107) [ 815.371197][T18174] block nbd5: shutting down sockets [ 815.378191][ T9049] block nbd4: Receive control failed (result -107) [ 815.404824][T18200] block nbd4: shutting down sockets 12:46:07 executing program 0: syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x88401) socket(0x2, 0x1, 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x100, 0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-control\x00', 0x80000, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$BLKROGET(r1, 0x125e, &(0x7f0000000080)) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r3, 0xab00, r6) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r7 = syz_open_dev$ndb(0x0, 0x0, 0x0) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x1ff) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) ioctl$NBD_SET_SOCK(r7, 0xab03, 0xffffffffffffffff) 12:46:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x5617c1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = dup(0xffffffffffffffff) ioctl$BLKROSET(r3, 0x125d, &(0x7f0000000000)=0x3f) r4 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r4, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000080)={0x0, 0x7, 0x20, 0x7, 0x6}, &(0x7f00000000c0)=0x18) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r4, 0x84, 0x18, &(0x7f0000000100)={r5, 0x3ff}, 0x8) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) ioctl$NBD_DO_IT(r2, 0xab03) [ 815.430093][T18185] ldm_validate_partition_table(): Disk read failed. [ 815.494446][T18185] Dev nbd1: unable to read RDB block 0 [ 815.505911][T18185] nbd1: unable to read partition table 12:46:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x600000000000000) 12:46:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNDELRESOURCE(r3, 0x89ef, &(0x7f0000000000)=0x9) sysfs$1(0x1, &(0x7f0000000040)='\x00') ioctl$NBD_DO_IT(r2, 0xab03) r4 = socket$inet6(0xa, 0x400000000001, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_SUBDEV_G_FMT(r5, 0xc0585604, &(0x7f0000000080)={0x1, 0x0, {0x8a, 0x8000, 0x3007, 0x5, 0xb, 0x8, 0x1, 0x4}}) [ 815.571855][T18189] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 815.642972][T18318] ldm_validate_partition_table(): Disk read failed. [ 815.652314][T18318] Dev nbd1: unable to read RDB block 0 [ 815.660008][T18318] nbd1: unable to read partition table [ 815.675174][T18318] ldm_validate_partition_table(): Disk read failed. [ 815.685489][T18318] Dev nbd1: unable to read RDB block 0 12:46:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x700000000000000) [ 815.694193][T18318] nbd1: unable to read partition table 12:46:07 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x1400}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 815.767126][T18369] ldm_validate_partition_table(): Disk read failed. [ 815.777258][T18369] Dev nbd1: unable to read RDB block 0 [ 815.794269][T18369] nbd1: unable to read partition table [ 815.814510][T18369] ldm_validate_partition_table(): Disk read failed. [ 815.824069][T18369] Dev nbd1: unable to read RDB block 0 [ 815.831536][T18369] nbd1: unable to read partition table 12:46:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x800000000000000) [ 815.868620][ T9049] block nbd0: Receive control failed (result -107) [ 815.888460][T18400] block nbd0: Device being setup by another task [ 815.948899][T18507] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 815.949108][T18339] block nbd0: shutting down sockets [ 815.968262][ T9049] block nbd4: Receive control failed (result -107) [ 815.998863][T18516] ldm_validate_partition_table(): Disk read failed. [ 816.029159][T18507] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 816.038497][ T9049] block nbd0: Receive control failed (result -107) 12:46:08 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xffff}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x640040) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x1) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 816.091092][T18422] block nbd0: Device being setup by another task [ 816.103866][T18516] Dev nbd1: unable to read RDB block 0 [ 816.117128][T18340] block nbd0: Device being setup by another task [ 816.126534][T18516] nbd1: unable to read partition table 12:46:08 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x3c00}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 816.159286][T18340] block nbd0: Device being setup by another task [ 816.179941][T18516] ldm_validate_partition_table(): Disk read failed. [ 816.182516][T18339] block nbd0: shutting down sockets 12:46:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 816.261076][T18516] Dev nbd1: unable to read RDB block 0 [ 816.295486][T18516] nbd1: unable to read partition table 12:46:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x1f00000000000000) [ 816.460310][T18600] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 816.515648][T18676] ldm_validate_partition_table(): Disk read failed. [ 816.525782][T18415] block nbd4: shutting down sockets [ 816.544913][T18676] Dev nbd1: unable to read RDB block 0 [ 816.551165][ T9049] block nbd0: Receive control failed (result -107) [ 816.561301][T18612] block nbd0: shutting down sockets [ 816.576891][T18676] nbd1: unable to read partition table 12:46:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x101000, 0x0) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f0000000040), &(0x7f0000000080)=0x4) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/tty/ldiscs\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(r2, 0xab03) [ 816.609078][T18543] block nbd5: shutting down sockets [ 816.615010][ T9049] block nbd4: Receive control failed (result -107) [ 816.639840][T18600] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 816.640241][T18415] block nbd4: shutting down sockets 12:46:08 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:08 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x4b00}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 816.693369][T18676] ldm_validate_partition_table(): Disk read failed. [ 816.722542][T18612] block nbd0: shutting down sockets [ 816.769016][T18676] Dev nbd1: unable to read RDB block 0 12:46:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000200)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) recvmsg$kcm(r3, &(0x7f00000001c0)={&(0x7f0000000000)=@l2tp6={0xa, 0x0, 0x0, @dev}, 0x80, &(0x7f0000000180)=[{&(0x7f0000000080)=""/42, 0x2a}, {&(0x7f00000000c0)=""/73, 0x49}], 0x2}, 0x122) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = dup2(r8, r7) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r12 = dup2(r11, r10) ioctl$PERF_EVENT_IOC_ENABLE(r12, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r9, 0x84, 0x1d, &(0x7f0000000140)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r12, 0x84, 0x7c, &(0x7f00000001c0)={r13, 0x7f, 0x400}, 0x8) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000240)={r13, 0x101}, &(0x7f0000000280)=0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r6, 0x84, 0xd, &(0x7f00000002c0)=@assoc_id=r14, 0x4) ioctl$NBD_DO_IT(r4, 0xab03) 12:46:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_mount_image$iso9660(&(0x7f0000000000)='iso9660\x00', &(0x7f0000000040)='./file0\x00', 0x10000, 0x7, &(0x7f00000003c0)=[{&(0x7f0000000080)="4e6d3a5ff4653fa431f716a5245fe9853d668a7b3d9eaa5f6a9359d306be18585a0c389577ec", 0x26, 0x81}, {&(0x7f00000000c0)="40eb87d0d9cab1b8c6e87a7c7c831e22b9184d2d8a35e13c7fbcd20a3cb0603fc514f314ae43", 0x26, 0x5}, {&(0x7f0000000100)="cc8b52a03952c9b58625c815a21e7df5cd8569cfe2a597e45306605a3b8b954387c0a79e8c73bb63cfd563633458e31907206dd96013d695a8", 0x39, 0x2}, {&(0x7f0000000180)="cbfa0506e1334068485aa402776862c00ad39c5c913c45797d6440c8b97297a2c87b8ebae5512b166b4f6d8c62432f3aa4c8ec3c49b0f8ba2a63fd5846919a8d0b8736da70465fe57bce8940a3bc9582933fa8a61a7af72f45ddcf8f9502ab40669d520612fc33217703c6a95ade7ab7bc37df2437693d5d45e8584e4e3eeed07e1dd349a124614e235a50654ce909e1479c54cfc83d66e3620303de6901cbe28c5c4821352c57921c91df602035", 0xae, 0x1000}, {&(0x7f0000000240)="98ee52d18efef6f870914e3a3d01384d62ee9a73052ec0253139d8495fc7d76eba555fa2bec69e497b4d7eb40ff26d22a94d54dfc6151ac06c3b4273e9ef77e29fa5d3b81003f8f241c08142f81f3d79e5d84b8a375c2729317987eabcd878edec15a38df4a8580d4b6f5d11d45c0d4fc69761eacd9fbb6377b16df48dd97598b44712e91cc703d9ced602c2b1b79a0a4698c7bb1035", 0x96, 0x9}, {&(0x7f0000000300)="590bae5c79cd5b4dd951f4e4482f6f9815f569a6eaaa0120f3aa6a169af1e00e35ea2703ff1e9697cd7500e99c762f2991ff1e557562b6b6691dc2c01f070b1b551f53291f365095d3f6861c4e4e64b5fa467af88aaf8f34ad5de458fc101adee4370e153d0b1b13f1bcb300083984c1cd8053", 0x73, 0xffff}, {&(0x7f0000000380)="cf7bd378a38bb38a0199fade9988932bef5231a46c006ce6a6e02e86", 0x1c, 0xfff}], 0x10, &(0x7f0000000480)={[{@overriderock='overriderockperm'}, {@norock='norock'}, {@dmode={'dmode', 0x3d, 0x7}}, {@check_relaxed='check=relaxed'}], [{@smackfshat={'smackfshat', 0x3d, 'ppp1[-'}}, {@fsname={'fsname', 0x3d, '\xde.ppp1GPLvmnet1'}}, {@subj_type={'subj_type', 0x3d, ','}}]}) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 816.816080][T18676] nbd1: unable to read partition table 12:46:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x2000000000000000) [ 816.902041][T18776] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 817.008915][ T9049] block nbd5: Receive control failed (result -107) [ 817.038183][T18771] block nbd5: shutting down sockets [ 817.051637][T18776] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:09 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x2}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 817.130062][T18910] ldm_validate_partition_table(): Disk read failed. [ 817.186100][T18910] Dev nbd1: unable to read RDB block 0 [ 817.218086][ T9049] block nbd0: Receive control failed (result -107) [ 817.218092][T20510] block nbd0: Receive control failed (result -107) 12:46:09 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0xff00}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socket(0x2, 0x1, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) r2 = syz_open_dev$media(&(0x7f0000000000)='/dev/media#\x00', 0x100, 0x224101) ioctl$USBDEVFS_DISCARDURB(r2, 0x550b, &(0x7f0000000040)=0xc86) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsu\x00', 0x0, 0x0) [ 817.249490][T18910] nbd1: unable to read partition table [ 817.274144][T18857] block nbd0: shutting down sockets [ 817.284698][T18910] ldm_validate_partition_table(): Disk read failed. [ 817.329034][T18910] Dev nbd1: unable to read RDB block 0 [ 817.337822][T18857] block nbd0: shutting down sockets [ 817.385260][ T9049] block nbd4: Receive control failed (result -107) [ 817.395906][T18910] nbd1: unable to read partition table [ 817.403652][ T9049] block nbd4: Receive control failed (result -107) [ 817.411427][T19003] block nbd4: Device being setup by another task [ 817.463669][T18886] block nbd4: shutting down sockets 12:46:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3f00000000000000) 12:46:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) sendfile(r5, r6, 0x0, 0x80001d00c0d0) ioctl$TCGETX(r6, 0x5432, &(0x7f0000000480)) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r7) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) r9 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x1ff) r10 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) ioctl$NBD_SET_SOCK(r8, 0xab03, 0xffffffffffffffff) r11 = socket$inet6(0xa, 0x400000000001, 0x0) r12 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_qlen_max\x00', 0x2, 0x0) write$vhost_msg_v2(r12, &(0x7f00000000c0)={0x2, 0x0, {&(0x7f00000002c0)=""/246, 0xf6, &(0x7f00000003c0)=""/182, 0x1, 0x6}}, 0x48) close(r11) r13 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r11, 0x84, 0xd, 0x0, 0x0) ftruncate(r13, 0x200004) sendfile(r11, r13, 0x0, 0x80001d00c0d0) r14 = getpgrp(0xffffffffffffffff) ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r13, 0xc1105517, &(0x7f0000000180)={{0x2, 0x6, 0x0, 0x9, 'syz1\x00', 0x3}, 0x2, 0x1, 0x5, r14, 0x3, 0xe6b, 'syz1\x00', &(0x7f0000000000)=['lo/securitytrusted:\x00', 'trusted^]vboxnet1\x00', '\x00'], 0x27, [], [0x1, 0x401, 0x2, 0xb846]}) [ 817.552007][T19009] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 817.603675][T19141] ldm_validate_partition_table(): Disk read failed. [ 817.612908][T19141] Dev nbd1: unable to read RDB block 0 [ 817.621035][T19141] nbd1: unable to read partition table [ 817.637275][T19141] ldm_validate_partition_table(): Disk read failed. [ 817.647783][T19141] Dev nbd1: unable to read RDB block 0 [ 817.663926][T19141] nbd1: unable to read partition table 12:46:09 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x3}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4000000000000000) 12:46:09 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x880300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 817.714054][T19009] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:09 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r2, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r3 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0xc, 0x121041) write$evdev(r3, &(0x7f0000000040), 0x373) ioctl$EVIOCGABS3F(r3, 0x8018457f, &(0x7f0000000200)) getsockopt$inet6_buf(r2, 0x29, 0x6, &(0x7f0000000000)=""/182, &(0x7f00000000c0)=0xb6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(0x0, 0x0, 0xc40) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) r5 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r5, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYBLOB="01001e00", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000180)=0x10) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f00000001c0)={r6, 0x2}, 0x8) 12:46:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = socket$inet6(0xa, 0x800000000000002, 0x0) sendto$inet6(r2, 0x0, 0x0, 0x3a8f7dc2ac1a8d0b, &(0x7f0000000040)={0xa, 0x4e36, 0x0, @mcast2}, 0x1c) sendmmsg$inet6(r2, &(0x7f0000004200)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000003a80)={0xa, 0x9, 0x0, @local}, 0x1c, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="1400000000000000290000000b000000000000090000000062c5f4d9889b36c0418b1ff7ea25a939d38f1e3b58aa7be18ae1b2c50ed8c452f3466695cd68cacf2e2be73284985b166e6f46c475f8f9f35a13b6f531bb493b849f3a8218878c96858e470e3094e350fc273d2fa55e8a9a651021edbd295d0d18ae49e53f346bb900000000000003ff772fbd0d52170c05095c499834b74da3a1e28722e15d9f92a0c6b797db7e2a38932936c28a2555511140a38043e5544042010962ebffaa31ad543fe351c79c5e55ada423911800"/223], 0x18}}], 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(0x0, 0x0, 0x1ea41) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0xb, 0x800, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x40000, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x7ffffffd) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) ioctl$NBD_DO_IT(r7, 0xab03) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x8041, 0x0) syz_open_dev$vcsu(&(0x7f00000000c0)='/dev/vcsu#\x00', 0xffffffffffffffff, 0x634400) r9 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x1ff) r10 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) ioctl$NBD_DO_IT(r9, 0xab03) r11 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r11, 0xab0a, 0x1ff) [ 817.810149][ T9049] block nbd0: Receive control failed (result -107) [ 817.870137][T19231] ldm_validate_partition_table(): Disk read failed. [ 817.891937][T19235] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 817.929719][T19225] block nbd0: Device being setup by another task [ 817.936357][T19231] Dev nbd1: unable to read RDB block 0 [ 817.944031][T19233] block nbd4: shutting down sockets [ 817.986261][T19231] nbd1: unable to read partition table [ 817.996003][ T9049] block nbd5: Receive control failed (result -107) [ 817.997447][T19225] block nbd0: Device being setup by another task [ 818.044301][T19241] block nbd5: shutting down sockets [ 818.079723][T19235] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 818.086588][T19231] ldm_validate_partition_table(): Disk read failed. [ 818.095385][T19240] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=26927 sclass=netlink_route_socket pid=19240 comm=syz-executor.4 [ 818.100074][T19225] block nbd0: Device being setup by another task [ 818.114434][T19231] Dev nbd1: unable to read RDB block 0 [ 818.154310][T19231] nbd1: unable to read partition table 12:46:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4800000000000000) 12:46:10 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x890300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:10 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x4}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 818.254361][T19233] block nbd4: shutting down sockets 12:46:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x23, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 818.343075][T19456] ldm_validate_partition_table(): Disk read failed. [ 818.353870][T19456] Dev nbd1: unable to read RDB block 0 [ 818.361632][T19456] nbd1: unable to read partition table [ 818.406048][T19456] ldm_validate_partition_table(): Disk read failed. [ 818.415414][T19456] Dev nbd1: unable to read RDB block 0 [ 818.433686][T19456] nbd1: unable to read partition table 12:46:10 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) ioctl$VIDIOC_ENUM_FREQ_BANDS(0xffffffffffffffff, 0xc0405665, &(0x7f0000000100)={0x73, 0x2, 0x334cc46e, 0x1000, 0xb1, 0x9, 0x2}) r3 = socket(0x2, 0x1, 0x0) ioctl$sock_inet_tcp_SIOCINQ(r1, 0x541b, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$BLKBSZGET(0xffffffffffffffff, 0x80081270, &(0x7f0000000180)) getsockopt$bt_BT_FLUSHABLE(r3, 0x112, 0x8, &(0x7f0000000040)=0x6, &(0x7f0000000080)=0x4) signalfd(r0, &(0x7f0000000000)={[0x1fc00]}, 0x8) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) [ 818.519260][T19210] block nbd0: shutting down sockets 12:46:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4c00000000000000) [ 818.615166][T19495] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 818.629519][ T9049] block nbd5: Receive control failed (result -107) [ 818.650148][T19494] block nbd5: shutting down sockets [ 818.681065][T19495] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 818.766036][ T9049] block nbd0: Receive control failed (result -107) [ 818.771607][T19549] ldm_validate_partition_table(): Disk read failed. [ 818.794506][T19549] Dev nbd1: unable to read RDB block 0 [ 818.804960][ T9049] block nbd4: Receive control failed (result -107) [ 818.812777][ T9049] block nbd4: Receive control failed (result -107) [ 818.842070][T19554] block nbd0: Device being setup by another task [ 818.849303][T19536] block nbd4: shutting down sockets [ 818.869152][T19549] nbd1: unable to read partition table [ 818.900270][T19536] block nbd4: shutting down sockets [ 818.923389][T19549] ldm_validate_partition_table(): Disk read failed. [ 818.979910][T19549] Dev nbd1: unable to read RDB block 0 [ 819.014853][T19549] nbd1: unable to read partition table [ 819.031975][T19221] block nbd0: shutting down sockets 12:46:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x15, 0x4, 0x0) socket(0x29, 0x6, 0x5) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x48081, 0x1c) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) sendfile(r5, r6, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_S_HW_FREQ_SEEK(r6, 0x40305652, &(0x7f0000000000)={0x7fff, 0x5, 0x388b, 0x800, 0x7fff, 0x1, 0x4}) socket$key(0xf, 0x3, 0x2) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) getsockopt$CAN_RAW_JOIN_FILTERS(r8, 0x65, 0x6, &(0x7f0000000040), &(0x7f00000000c0)=0x4) 12:46:11 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x5}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:11 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x8a0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, 0x0, 0x0) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x7ff) ioctl$KDGKBENT(r2, 0x4b46, &(0x7f0000000000)={0x4, 0xe9, 0x1}) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$KDFONTOP_GET(r2, 0x4b72, &(0x7f00000000c0)={0x1, 0x0, 0x15, 0xd, 0x115, &(0x7f0000000180)}) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$RNDADDTOENTCNT(r2, 0x40045201, &(0x7f0000000040)=0x7fff) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) 12:46:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/nat_icmp_send\x00', 0x2, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6800000000000000) [ 819.262044][ T9049] block nbd4: Receive control failed (result -107) [ 819.285166][T19701] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 819.294367][T19690] block nbd4: shutting down sockets [ 819.353694][T19704] ldm_validate_partition_table(): Disk read failed. 12:46:11 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') sendmsg$TIPC_NL_NAME_TABLE_GET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x4, 0x70bd2a, 0x25dfdbfd, {}, [@TIPC_NLA_SOCK={0x14, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_REF={0x8, 0x2, 0x10f7}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x4}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x8800}, 0x400c0c1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) [ 819.399895][ T9049] block nbd0: Receive control failed (result -107) [ 819.403579][T19704] Dev nbd1: unable to read RDB block 0 [ 819.504816][T19701] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 819.513301][T19698] block nbd0: shutting down sockets [ 819.524656][ T2629] print_req_error: 1438 callbacks suppressed [ 819.524672][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.542156][ T2629] buffer_io_error: 1446 callbacks suppressed 12:46:11 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x6}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 819.542166][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 819.556632][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.567484][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 819.577545][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.578739][ T9049] block nbd0: Receive control failed (result -107) [ 819.589228][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read [ 819.589731][ T2629] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.615355][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 819.616794][T19703] block nbd0: Device being setup by another task [ 819.630113][ T2629] blk_update_request: I/O error, dev nbd1, sector 24 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.641141][ T2629] Buffer I/O error on dev nbd1, logical block 12, async page read [ 819.649587][ T2629] blk_update_request: I/O error, dev nbd1, sector 26 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.660598][ T2629] Buffer I/O error on dev nbd1, logical block 13, async page read [ 819.669007][ T2629] blk_update_request: I/O error, dev nbd1, sector 28 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.680090][ T2629] Buffer I/O error on dev nbd1, logical block 14, async page read [ 819.688608][ T2629] blk_update_request: I/O error, dev nbd1, sector 30 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.699558][ T2629] Buffer I/O error on dev nbd1, logical block 15, async page read [ 819.707968][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 819.718978][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 819.727275][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 819.738313][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 819.743350][T19698] block nbd0: shutting down sockets 12:46:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) keyctl$set_reqkey_keyring(0xe, 0x4) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) sendmsg$NFNL_MSG_ACCT_DEL(r5, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYBLOB="4400000003070500000000000000ba000a0000010800054000000001080005400000000208000540000000030c0006400000000000a3b0b37530f80000040c00024000000000000000b48ce954eb7fc982a83e40d1dc97ea7bed3857ad35d770afbf101b38d5998669ca775f5d5c862495e565d05dbb1d6a4e4eca8ba35bc4c5bb4f361bd0129d0c06f8877499ee4fe6c7bb8858c1f996acd4f9da3a0feb9114b5da4f0c805340b693408f485ac5b4d99ba73129ad75cf08000000476ba5bcd1c089efba9d9fdd3200dea51d43957b3e3875d0974ec150f8a8d754ff3d003221f141fbeca0eb362b848a981ed96e508e0f719ea77e50c1b9215d24d3e39f48d8727438801bff5b49fc84cdced87209e9447e0474aa8dcaa7f055353c890e39e30f4d1ac9b110a16fa9cee5ca7a0e99ca7d8c3d3acba09d77327f072700"/335], 0x44}, 0x1, 0x0, 0x0, 0x20000090}, 0x10) r6 = socket$inet6(0xa, 0x400000000001, 0x0) close(r6) r7 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r6, 0x84, 0xd, 0x0, 0x0) ftruncate(r7, 0x200004) sendfile(r6, r7, 0x0, 0x80001d00c0d0) ioctl$PPPIOCSDEBUG(r7, 0x40047440, &(0x7f0000000000)=0x3f) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 819.752476][T19704] nbd1: unable to read partition table 12:46:11 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x8b0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x2000) r1 = socket(0x28, 0x1, 0x3) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) ftruncate(r4, 0x200004) sendfile(r3, r4, 0x0, 0x80001d00c0d0) ioctl$SNDRV_PCM_IOCTL_RESET(r4, 0x4141, 0x0) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) ioctl$NBD_DO_IT(r2, 0xab03) [ 819.869098][T19704] ldm_validate_partition_table(): Disk read failed. [ 819.874850][T19923] block nbd5: shutting down sockets [ 819.893472][ T9049] block nbd4: Receive control failed (result -107) [ 819.913511][T19919] block nbd4: shutting down sockets [ 819.961489][T19704] Dev nbd1: unable to read RDB block 0 [ 819.969805][ T9049] block nbd4: Receive control failed (result -107) [ 819.994170][T19919] block nbd4: shutting down sockets 12:46:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) io_setup(0x6, &(0x7f00000000c0)=0x0) r3 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r3, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r4 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vga_arbiter\x00', 0x202000, 0x0) io_cancel(r2, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x2, 0x4, r3, &(0x7f0000000180)="07d78647f2257221ccbf82f29d65beceda4054e255eebca11d830a753e72e431ea535e2953f8620ad8fb6a89c8ba2bc152c4bf09706477678442191d710146e673044455a85ab6456968d0a81ec68c4d3cadaba778bee048c28f414c3759c507e6001a3fd7d203fac537798670", 0x6d, 0x81, 0x0, 0x1, r4}, &(0x7f0000000240)) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) r7 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280)='/dev/kvm\x00', 0x40, 0x0) sendfile(r7, r0, 0x0, 0x80001d01c0d0) ioctl$SNDCTL_DSP_GETODELAY(r6, 0x80045017, &(0x7f0000000040)) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) r9 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x1ff) r10 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) r11 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r11, 0xab0a, 0x1ff) r12 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r11, 0xab00, r12) ioctl$NBD_DO_IT(r11, 0xab03) setsockopt$netlink_NETLINK_RX_RING(0xffffffffffffffff, 0x10e, 0x6, &(0x7f0000000000)={0xfffffff8, 0x100, 0xc78, 0x100}, 0x10) ioctl$NBD_DO_IT(r11, 0xab03) ioctl$NBD_SET_SOCK(r8, 0xab03, 0xffffffffffffffff) [ 820.039657][T19704] nbd1: unable to read partition table [ 820.054425][T19927] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6c00000000000000) 12:46:12 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x8c0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$IOC_PR_PREEMPT_ABORT(r2, 0x401870cc, &(0x7f0000000040)={0x4, 0x20, 0x7, 0xffff0fa3}) ioctl$IMCTRLREQ(r1, 0x80044945, &(0x7f0000000000)={0x10, 0xfffffffe, 0x1000, 0x68}) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) 12:46:12 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x8}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 820.240513][ T9049] block nbd0: Receive control failed (result -107) [ 820.240520][T20510] block nbd0: Receive control failed (result -107) [ 820.263589][T20020] block nbd0: shutting down sockets [ 820.332734][T20041] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$SIOCX25GFACILITIES(r1, 0x89e2, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) setxattr$trusted_overlay_opaque(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='trusted.overlay.opaque\x00', &(0x7f0000000100)='y\x00', 0x2, 0x2) ioctl$NBD_DO_IT(r2, 0xab03) r4 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x4000, 0x0) ioctl$BLKTRACETEARDOWN(r4, 0x1276, 0x0) [ 820.398858][T20151] ldm_validate_partition_table(): Disk read failed. [ 820.412983][ T27] audit: type=1800 audit(1580647572.399:168): pid=20038 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.0" name="bus" dev="sda1" ino=17244 res=0 [ 820.452196][T20151] Dev nbd1: unable to read RDB block 0 [ 820.480705][T20151] nbd1: unable to read partition table [ 820.497728][T20041] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:12 executing program 0: r0 = dup2(0xffffffffffffffff, 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000017c0)='TIPC\x00') sendmsg$TIPC_CMD_ENABLE_BEARER(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000200)={0x34, r2, 0x501, 0x0, 0x0, {{}, {}, {0x18, 0x17, {0x0, 0x0, @l2={'eth', 0x3a, 'vcan0\x00'}}}}}, 0x34}}, 0x0) sendmsg$TIPC_CMD_SET_LINK_WINDOW(r0, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000680)={&(0x7f0000000600)={0x68, r2, 0x300, 0x70bd25, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0x7f263fbf, @media='udp\x00'}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x45}, 0x91) r3 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r4) syz_mount_image$hfsplus(&(0x7f0000000000)='hfsplus\x00', &(0x7f0000000080)='./file0\x00', 0x6, 0x4, &(0x7f00000004c0)=[{&(0x7f00000000c0)="991988c91ecf3de26870b63f84c5", 0xe, 0x2}, {&(0x7f0000000240)="d25b7b6a9daa8b0b9a02a63a7592680a58ff297dfacb9d2f7c366027afe8ae7a1022b08add0c33f19dbd1420945625da2d681ec42a15d4a8675496d8e9bdaed3f959a645be889d4ec9db72905944ff5c8df27538cee105c74feb0b7ab10b8d1ae3f94342691225993e95cfd6da57a50b5458acd9819d73b1e3827999f36b5731ea60d4a2f1e5227baeaef09ca45ace628c53318d4b688ae525297e9c8508dc02c158318f30e8981929877818eaa4763af3565d8a6efd8bba476757ee2e33a7804848e302d6c75e0c835bed", 0xcb, 0x7f}, {&(0x7f0000000340)="dc46d0c12c4d6ec48f230c5f01a1aa1039bb9f0af08dea3866c3a03c8d939f61f3cd60c401bdc2e5bd9d6be642a1cc6407a03464f3010d35db4a49bef20ff9778ef117bbfe1dfdcfc2c6dc15add3a815f08c75f467bd98401201170174cf43af3a908f5a40", 0x65, 0x20f0d756}, {&(0x7f00000003c0)="bb39a7f2529a0a0069174bcfc675c16d4bba56be33fe6131e021009a7d9d9a0e2078a76793ec85a7f19fae311da41bd3fbb94dc9feded76b677d2f82fd8f5417c80fe7f17104c2f657c8a5278c17eed96629230b25a15e6ea52f4dd41c68dfaf9e5b57c70e0d97a9163110ab158af94a510444e7d96c29d716a516af7bccd5d0bea5c93466465f9dab2407154893edecc42009fe5615c21a2ea1ed75385a63c1d29e4b8330a8a9d8dcbcfdca1f0c68798e66853eb66a881fe135b1e53448afb38cc653e374", 0xc5, 0x5}], 0x800404, &(0x7f0000000700)=ANY=[@ANYBLOB='umask=00000000000000000060517,uid=', @ANYRESHEX=r4, @ANYBLOB="2c736d61636b6674726f6f743d7b2c736d61636b6673726f6f743d2c73656c00000056494296eca7fd2e69509b0b5d6615f253aa071bed93442717c001d7e39a1c25312f549d803d5ea24bac59f7dc78b774557fd22e69de79c212166696467a248ab531ace1734443f0ef2d07ef66e8e8aa4b386615baf36e71825dc51ff2d3f056dc7defe8038a4373e7a4b8bd8616f5038e62e7977f95ecd4246063fa92899bab7b98e0020dba205ea206f36317211b60c110f0621c4f2067034509e730d7846859b920938b1161c3e2fe8bf7d3961e86dc9a681f"]) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = syz_open_dev$ndb(0x0, 0x0, 0x0) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x1ff) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) ioctl$NBD_SET_SOCK(r7, 0xab03, 0xffffffffffffffff) [ 820.577627][T20151] ldm_validate_partition_table(): Disk read failed. [ 820.585928][T20510] block nbd4: Receive control failed (result -107) 12:46:12 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x8d0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 820.622585][T20510] block nbd4: Receive control failed (result -107) [ 820.634222][T20149] block nbd4: shutting down sockets [ 820.658683][T20151] Dev nbd1: unable to read RDB block 0 [ 820.742136][T20151] nbd1: unable to read partition table 12:46:12 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x26080) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7400000000000000) [ 820.830621][T20510] block nbd5: Receive control failed (result -107) [ 820.842332][T20510] block nbd5: Receive control failed (result -107) [ 820.845686][T20292] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:12 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x9}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0xffffffffffffffff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) [ 820.924165][T20162] block nbd5: shutting down sockets [ 820.957404][T20376] ldm_validate_partition_table(): Disk read failed. [ 820.978892][T20376] Dev nbd1: unable to read RDB block 0 [ 820.988187][T20376] nbd1: unable to read partition table 12:46:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7a00000000000000) [ 821.002719][T20376] ldm_validate_partition_table(): Disk read failed. [ 821.009578][T20292] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 821.011426][T20376] Dev nbd1: unable to read RDB block 0 [ 821.024653][T20376] nbd1: unable to read partition table [ 821.035991][T20385] hfsplus: unable to parse mount options [ 821.161464][T20398] ldm_validate_partition_table(): Disk read failed. 12:46:13 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x8e0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r3, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f0000000180)={0x9, {{0xa, 0x4e23, 0x5, @loopback, 0x2}}, 0x1, 0x3, [{{0xa, 0x4e22, 0x20, @mcast2, 0x400}}, {{0xa, 0x4e21, 0xfff, @ipv4={[], [], @loopback}, 0x8}}, {{0xa, 0x4e20, 0x23, @empty}}]}, 0x210) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 821.216116][T20398] Dev nbd1: unable to read RDB block 0 [ 821.287579][T20393] block nbd5: shutting down sockets [ 821.313967][T20509] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 821.339573][T20510] block nbd4: Receive control failed (result -107) [ 821.353975][T20398] nbd1: unable to read partition table [ 821.355080][T20389] block nbd4: shutting down sockets 12:46:13 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$netlink(r1, 0x10e, 0x5, &(0x7f0000000180)=""/210, &(0x7f0000000100)=0xd2) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) close(0xffffffffffffffff) r3 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS_OLD(r3, 0xc1004111, &(0x7f0000000000)={0x10001, [0xff, 0xdc, 0xa5], [{0x1, 0x5}, {0x1, 0xe49, 0x0, 0x1, 0x1}, {0x6, 0x5, 0x1, 0x0, 0x1}, {0x8, 0x9, 0x0, 0x0, 0x1, 0x1}, {0x2, 0x6, 0x0, 0x1, 0x1, 0x1}, {0x9, 0x712, 0x1, 0x0, 0x1, 0x1}, {0x4, 0x7}, {0xfffffffb, 0xff, 0x0, 0x1, 0x1, 0x1}, {0x8, 0x4, 0x0, 0x0, 0x1}, {0x6, 0x8, 0x1, 0x0, 0x0, 0x1}, {0x8, 0x0, 0x1, 0x1, 0x1}, {0x1, 0x0, 0x0, 0x1}], 0xf3}) ioctl$NBD_DO_IT(r2, 0xab03) r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000280)='/dev/null\x00', 0x321600, 0x0) ioctl$KVM_ARM_SET_DEVICE_ADDR(r4, 0x4010aeab, &(0x7f00000002c0)={0x6, 0x100000}) 12:46:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$sock_bt_bnep_BNEPCONNADD(r3, 0x400442c8, &(0x7f00000000c0)=ANY=[@ANYRES32=r1, @ANYBLOB="0200000001feef0fedc656f76e4d8b088e6d254d16d84d67f13c1afef41037783a911da413b22c4fffba3f1a1e58a7730390c96fb8b81372b02eb1f2448bf2bcd9e885c7924242b223c50478baf1c71a"]) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) sendfile(r5, r6, 0x0, 0x80001d00c0d0) r7 = openat(r6, &(0x7f0000000040)='./file0\x00', 0x141000, 0x8) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r8) ioctl$NBD_DO_IT(r4, 0xab03) [ 821.396051][T20398] ldm_validate_partition_table(): Disk read failed. [ 821.456713][T20509] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 821.517675][T20398] Dev nbd1: unable to read RDB block 0 12:46:13 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xa}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:13 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x8f0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 821.633460][T20398] nbd1: unable to read partition table [ 821.652688][T20510] block nbd0: Receive control failed (result -107) [ 821.660158][T20510] block nbd0: Receive control failed (result -107) [ 821.684837][T20562] block nbd0: shutting down sockets 12:46:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x97ffffff00000000) [ 821.727395][T20510] block nbd4: Receive control failed (result -107) [ 821.777304][T20562] block nbd0: shutting down sockets [ 821.783481][T20618] block nbd4: shutting down sockets [ 821.840361][T20722] ldm_validate_partition_table(): Disk read failed. [ 821.884703][T20618] block nbd4: shutting down sockets [ 821.896887][T20722] Dev nbd1: unable to read RDB block 0 12:46:13 executing program 5: syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080)='nl80211\x00') sendmsg$NL80211_CMD_DEL_KEY(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)={0x74, 0x0, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@NL80211_ATTR_KEY_DEFAULT_MGMT={0xffffffffffffff38}, @NL80211_ATTR_KEY_DATA_WEP104={0x11, 0x7, "fea30fdcd6f081cd9ed988f7fe"}, @NL80211_ATTR_KEY_DEFAULT_TYPES={0x10, 0x6e, 0x0, 0x1, [@NL80211_KEY_DEFAULT_TYPE_UNICAST={0xfffffd60}, @NL80211_KEY_DEFAULT_TYPE_UNICAST={0x4}, @NL80211_KEY_DEFAULT_TYPE_UNICAST={0x4}]}, @NL80211_ATTR_KEY_DATA_WEP40={0x9, 0x7, "1ffcf10452"}, @NL80211_ATTR_KEY_SEQ={0x6, 0xa, "dcfc"}, @NL80211_ATTR_KEY={0x0, 0x50, 0x0, 0x1, [@NL80211_KEY_DATA_WEP104={0x0, 0x1, "50bba319494611869c6fd408e7"}, @NL80211_KEY_DATA_WEP104={0x0, 0x1, "b92d31752440ff4368613360bd"}, @NL80211_KEY_MODE, @NL80211_KEY_CIPHER={0x0, 0x3, 0xfac01}, @NL80211_KEY_DEFAULT_MGMT]}, @NL80211_ATTR_KEY_IDX={0x5, 0x8, 0x4}, @NL80211_ATTR_KEY={0x18, 0x50, 0x0, 0x1, [@NL80211_KEY_DATA_WEP40={0x9, 0x1, "df0eb79d30"}, @NL80211_KEY_TYPE={0x8, 0x7, 0x2}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x2000001}, 0x44) ioctl$sock_inet_SIOCGIFDSTADDR(r2, 0x8917, &(0x7f0000000000)={'macvlan0\x00', {0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x38}}}) ioctl$NBD_DO_IT(r1, 0xab03) [ 821.915629][ T27] audit: type=1800 audit(1580647573.899:169): pid=20669 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=16551 res=0 [ 821.923629][T20722] nbd1: unable to read partition table [ 821.946812][T20739] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 821.949037][T20623] block nbd5: shutting down sockets 12:46:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = syz_open_procfs(r1, &(0x7f0000000000)='net/rfcomm\x00') r3 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qat_adf_ctl\x00', 0x0, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000180)={0x0}, &(0x7f00000001c0)=0xc) r5 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r6) ioctl$DRM_IOCTL_GET_CLIENT(r3, 0xc0286405, &(0x7f0000000200)={0x2, 0x10008, {r4}, {r6}, 0x8, 0x6}) ioctl$VIDIOC_TRY_EXT_CTRLS(r2, 0xc0205649, &(0x7f00000000c0)={0xa20000, 0x0, 0x5, r0, 0x0, &(0x7f0000000080)={0x38037e, 0x81, [], @p_u8=&(0x7f0000000040)=0x5}}) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r7) ioctl$USBDEVFS_CLAIM_PORT(r3, 0x80045518, &(0x7f00000002c0)=0x80000000) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r8, 0xab03) 12:46:14 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x900300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 822.085756][T20722] ldm_validate_partition_table(): Disk read failed. 12:46:14 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xb}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 822.152168][T20722] Dev nbd1: unable to read RDB block 0 [ 822.183679][T20722] nbd1: unable to read partition table [ 822.241259][T20852] QAT: Invalid ioctl [ 822.285867][T20852] QAT: Invalid ioctl 12:46:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xf210000000000000) [ 822.335976][T20853] block nbd5: shutting down sockets 12:46:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = dup2(r9, r8) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$ASHMEM_SET_SIZE(r7, 0x40087703, 0xffff) r13 = dup2(r12, r11) ioctl$PERF_EVENT_IOC_ENABLE(r13, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r10, 0x84, 0x1d, &(0x7f0000000380)=ANY=[@ANYBLOB="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", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r13, 0x84, 0x7c, &(0x7f00000001c0)={r14, 0x7f, 0x400}, 0x8) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r7, 0x84, 0x10, &(0x7f0000000000)=@assoc_value={r14, 0x2}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_RTOINFO(r5, 0x84, 0x0, &(0x7f0000000080)={r15, 0x8, 0x6, 0x5}, 0x10) [ 822.390665][T20856] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:14 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r1) syz_mount_image$afs(&(0x7f0000000000)='afs\x00', &(0x7f0000000040)='./file0\x00', 0x1, 0x3, &(0x7f00000000c0)=[{&(0x7f0000000080), 0x0, 0x1000}, {&(0x7f0000000180)="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", 0xff, 0xac5f}, {&(0x7f0000000280)="8c0c9d84814f6d72bb0f38e8f6a8ba93e5a801932082f52209f38fea1c6bfc3554bc002afb9de17786904e3e8e3223bd7ff954705e25071484fbc17a95860f0225faac75ec7c78e3dba070ca660e6b60e43809067a7b44bc9b6bdfdfe64b6e07fc29ca463d6cffea89814cc55e57002a2e4745ed417d2a78ca56cea5d53b80d5110d003a541b19d80cbc2876575508f4ffefaa7283e0fba2b56b4734b6eff399505214c0e9cc41501fc2380db542aa253f2317e0d7", 0xb5}], 0x1118041, &(0x7f0000000340)={[{@flock_openafs='flock=openafs'}, {@dyn='dyn'}], [{@smackfsroot={'smackfsroot', 0x3d, '^md5sumem0'}}, {@dont_appraise='dont_appraise'}, {@fowner_gt={'fowner>', r1}}]}) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) utime(&(0x7f0000000080)='./file0\x00', &(0x7f00000003c0)={0x7fff, 0x8}) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) [ 822.465419][T20856] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:14 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xc}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:14 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x910300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 822.640264][T20969] ldm_validate_partition_table(): Disk read failed. [ 822.683683][T20969] Dev nbd1: unable to read RDB block 0 12:46:14 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xf, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) [ 822.770935][T20969] nbd1: unable to read partition table [ 822.824373][T20510] block nbd5: Receive control failed (result -107) [ 822.832475][ T9049] block nbd5: Receive control failed (result -107) [ 822.889579][T20969] ldm_validate_partition_table(): Disk read failed. [ 822.912423][T21057] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 822.939495][T20969] Dev nbd1: unable to read RDB block 0 12:46:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$binderN(&(0x7f0000000100)='/dev/binder#\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r2, 0x40046207, 0x0) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x10, 0x0, &(0x7f0000000180)=[@clear_death={0x40106308}], 0x0, 0x0, 0x0}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x21, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) setsockopt$bt_BT_RCVMTU(r4, 0x112, 0xd, &(0x7f0000000000)=0x800, 0x2) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_DO_IT(r5, 0xab03) [ 822.978008][T20969] nbd1: unable to read partition table 12:46:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/commit_pending_bools\x00', 0x1, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/hash_stats\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0x111801) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) r6 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x29, 0x800, 0x0) r8 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r8, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_SIOCBRADDBR(r8, 0x89a0, &(0x7f0000000000)='wireguard0\x00') ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_DO_IT(r6, 0xab03) [ 823.036240][T20963] block nbd5: shutting down sockets [ 823.036824][T21057] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xfdfdffff00000000) 12:46:15 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xe}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 823.208369][ T27] audit: type=1400 audit(1580647575.189:170): avc: denied { set_context_mgr } for pid=21191 comm="syz-executor.4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 12:46:15 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x920300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 823.325425][T20510] block nbd4: Receive control failed (result -107) [ 823.338885][T21191] block nbd4: shutting down sockets [ 823.366235][T20510] block nbd5: Receive control failed (result -107) [ 823.424838][T21245] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 823.481378][T21245] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 823.488850][T20510] block nbd4: Receive control failed (result -107) [ 823.492182][T21271] ldm_validate_partition_table(): Disk read failed. [ 823.512021][T21191] block nbd4: shutting down sockets [ 823.537459][T21193] block nbd5: shutting down sockets 12:46:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$phonet(0x23, 0x2, 0x1) ioctl$sock_SIOCGSKNS(r3, 0x894c, &(0x7f00000000c0)=0x81) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) ioctl$NBD_DO_IT(r2, 0xab03) r5 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r5, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_inet_SIOCSIFDSTADDR(r5, 0x8918, &(0x7f0000000100)={'veth1_to_batadv\x00', {0x2, 0x4e20, @broadcast}}) r6 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0xc, 0x121041) write$evdev(r6, &(0x7f0000000040), 0x373) ioctl$EVIOCGABS20(r6, 0x80184560, &(0x7f0000000000)=""/139) 12:46:15 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x930300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 823.607707][T21271] Dev nbd1: unable to read RDB block 0 12:46:15 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xf}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 823.690737][T21271] nbd1: unable to read partition table 12:46:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x6) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r6 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm_plock\x00', 0x10006, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) setsockopt$kcm_KCM_RECV_DISABLE(r7, 0x119, 0x1, &(0x7f0000000080)=0x7ff, 0x4) ioctl$SOUND_PCM_READ_BITS(r6, 0x80045005, &(0x7f0000000100)) syz_open_dev$usbfs(&(0x7f0000000180)='/dev/bus/usb/00#/00#\x00', 0x1, 0x149000) getsockopt$inet_pktinfo(r4, 0x0, 0x8, &(0x7f0000000000)={0x0, @loopback, @multicast2}, &(0x7f0000000040)=0xc) ioctl$NBD_DO_IT(r2, 0xab03) [ 823.797025][T21271] ldm_validate_partition_table(): Disk read failed. [ 823.862595][T21271] Dev nbd1: unable to read RDB block 0 [ 823.912515][T21271] nbd1: unable to read partition table [ 823.960433][T21466] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 823.969319][T20510] block nbd5: Receive control failed (result -107) [ 823.976386][ T9049] block nbd5: Receive control failed (result -107) [ 824.019687][T20510] block nbd4: Receive control failed (result -107) 12:46:16 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x10}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 824.084583][T21466] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 824.132171][T21412] block nbd5: shutting down sockets 12:46:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xfdffffff00000000) [ 824.167535][T21420] block nbd4: shutting down sockets 12:46:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) getsockopt$CAN_RAW_LOOPBACK(r3, 0x65, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) [ 824.274160][T20510] block nbd4: Receive control failed (result -107) [ 824.275312][T21650] block nbd4: Device being setup by another task [ 824.317401][T21650] block nbd4: Device being setup by another task [ 824.326423][T21660] ldm_validate_partition_table(): Disk read failed. [ 824.341093][T21420] block nbd4: shutting down sockets [ 824.343721][T21660] Dev nbd1: unable to read RDB block 0 12:46:16 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x940300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 824.417201][T21660] nbd1: unable to read partition table 12:46:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xb, 0x4, 0x1d) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) [ 824.463026][T21660] ldm_validate_partition_table(): Disk read failed. [ 824.486980][T21660] Dev nbd1: unable to read RDB block 0 [ 824.508089][T21660] nbd1: unable to read partition table [ 824.514975][T20510] block nbd5: Receive control failed (result -107) [ 824.523059][T20510] block nbd5: Receive control failed (result -107) 12:46:16 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x11}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 824.695224][T21673] block nbd5: shutting down sockets [ 824.705517][T21852] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x80800) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xff00000000000000) [ 824.751340][T21852] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$EXT4_IOC_GROUP_EXTEND(r3, 0x40086607, &(0x7f0000000000)=0x7) r4 = shmget$private(0x0, 0x1000, 0x380, &(0x7f0000ffe000/0x1000)=nil) shmctl$SHM_STAT(r4, 0xd, &(0x7f0000000180)=""/4096) [ 824.852517][ T2629] print_req_error: 961 callbacks suppressed [ 824.852535][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 824.869600][ T2629] buffer_io_error: 966 callbacks suppressed [ 824.869610][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 824.884388][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 824.895729][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 824.903892][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 2 prio class 0 [ 824.915884][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read [ 824.923798][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 824.932199][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 824.943146][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 824.952314][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 824.963372][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 824.971657][ T2628] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 824.982907][ T2628] Buffer I/O error on dev nbd1, logical block 2, async page read [ 824.991426][ T2628] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 825.002679][ T2628] Buffer I/O error on dev nbd1, logical block 3, async page read [ 825.011052][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 825.022338][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 825.030734][ T9049] block nbd4: Receive control failed (result -107) [ 825.039673][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 12:46:17 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x950300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 825.040888][T21862] block nbd4: shutting down sockets [ 825.051996][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 825.065542][ T2628] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 2 prio class 0 [ 825.078954][T21859] ldm_validate_partition_table(): Disk read failed. [ 825.169680][T21859] Dev nbd1: unable to read RDB block 0 [ 825.252201][T21859] nbd1: unable to read partition table [ 825.263081][ T9049] block nbd4: Receive control failed (result -107) [ 825.272880][T21862] block nbd4: shutting down sockets [ 825.281431][T21859] ldm_validate_partition_table(): Disk read failed. 12:46:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = dup3(0xffffffffffffffff, r0, 0x80000) setsockopt$rose(r1, 0x104, 0x7, &(0x7f0000000180)=0x3000, 0x4) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = syz_init_net_socket$rose(0xb, 0x5, 0x0) fsetxattr$trusted_overlay_upper(r4, &(0x7f0000000000)='trusted.overlay.upper\x00', &(0x7f0000000040)={0x0, 0xfb, 0xfc, 0xd, 0x0, "41404739304e8a72771172d05514d86e", "50dc1eb7bca7e8f10b715024d6774f6636dc2f44ed6a98df6a5e3050d84d1032e81718bf56b23583e95ee17b04c220c8ef655eed1c2e7fcf5c2c40319228595d0dc8a5c330205b1a5f86c9dcadbf8ca863f57bbc6eacb951c691bac327de44b77568cd145dcfcaaf5e68356312bb4e4dd47ff532832a3a042eda9860dc03112eca18f5956d089b6c5e6797dbd5547bf92ac7ccc402bb2f654e0b4673a87af0fa453b19eb4d4cba8599b7b8d151489ba72238b9c968c237ba001f849c5f49d9b493989f28dda23a2c8fcf2e7c6c90f80a47e750164e231000fdb67498bd2fd04abeefc6d9779b98"}, 0xfc, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) ioctl$NBD_DO_IT(r3, 0xab03) 12:46:17 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x12}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 825.341622][T21859] Dev nbd1: unable to read RDB block 0 [ 825.361542][T22074] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 825.362845][T21859] nbd1: unable to read partition table [ 825.408331][ T9049] block nbd5: Receive control failed (result -107) [ 825.416487][ T9049] block nbd5: Receive control failed (result -107) [ 825.426102][T22076] block nbd5: shutting down sockets [ 825.511940][T22074] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xffffffff00000000) 12:46:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$FS_IOC_SETFSLABEL(r0, 0x41009432, &(0x7f0000000000)="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") ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r2, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000040)={'xfrm0\x00', &(0x7f0000000000)=@ethtool_ts_info}) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) 12:46:17 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x960300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 825.772058][T22264] ldm_validate_partition_table(): Disk read failed. [ 825.830080][T22264] Dev nbd1: unable to read RDB block 0 [ 825.843932][T22264] nbd1: unable to read partition table [ 825.850567][ T9049] block nbd4: Receive control failed (result -107) [ 825.860817][T22253] block nbd4: shutting down sockets [ 825.882213][ T9049] block nbd5: Receive control failed (result -107) [ 825.890086][ T9049] block nbd5: Receive control failed (result -107) [ 825.902644][T22263] block nbd5: shutting down sockets [ 825.923645][T22253] block nbd4: shutting down sockets 12:46:17 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x13}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 825.937774][T22264] ldm_validate_partition_table(): Disk read failed. [ 826.011169][T22264] Dev nbd1: unable to read RDB block 0 [ 826.060773][T22264] nbd1: unable to read partition table [ 826.101855][T22368] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) munlockall() ioctl$NBD_DO_IT(r2, 0xab03) 12:46:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:18 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x14}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x20) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 826.328868][ T9049] block nbd4: Receive control failed (result -107) [ 826.332195][T22368] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 826.339086][T22508] block nbd4: shutting down sockets [ 826.403986][ T9049] block nbd4: Receive control failed (result -107) [ 826.413150][T22508] block nbd4: shutting down sockets [ 826.539118][ T9049] block nbd5: Receive control failed (result -107) [ 826.546205][T20510] block nbd5: Receive control failed (result -107) 12:46:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0x4000, 0x0) syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x101, 0x101500) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1fe) r2 = socket(0x2, 0x80000, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) [ 826.582731][T22511] block nbd5: shutting down sockets 12:46:18 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x970300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 826.618648][T22523] ldm_validate_partition_table(): Disk read failed. [ 826.732373][T22523] Dev nbd1: unable to read RDB block 0 [ 826.777981][T22523] nbd1: unable to read partition table [ 826.835915][T22523] ldm_validate_partition_table(): Disk read failed. 12:46:18 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x18}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 826.889565][T22523] Dev nbd1: unable to read RDB block 0 [ 826.890630][T22733] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 826.936216][T22523] nbd1: unable to read partition table 12:46:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r2, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000c0001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="00000000008433df6d6f6b577d4eaaf2000007"], 0x5}}, 0x4) sendmsg$nl_route_sched(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000540)=ANY=[@ANYBLOB="7400000024000705000000000000000000036000", @ANYRES32=r6, @ANYBLOB="00000000ffffffff00000000080001007366710048000229c6090032d0ed64f3c3545aaf6e000085a4e4ebb5ef670000000000000000000000000000001a4e624d29a84abf032657000000000000000000000000000000000000000000000000000000000000000020000089b53c947244306a0216a3de887763df5b42498b13bb1938de859ee6d7ae7dd2224dc672b69b4358c71b170ea0b667832e5224ee3538f885b7abd9bc4a7ddbab915dc5f0428f661313a650e00cb3"], 0x74}}, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000a00)=ANY=[@ANYBLOB="840000002c0001bd18e972fe0700000000000000", @ANYRES32=r6, @ANYBLOB="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"/607], 0x84}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f0000000000)={'batadv0\x00', r6}) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_DO_IT(r1, 0xab03) 12:46:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000000180)={0xffffffffffffffff}, 0x111, 0x8}}, 0x20) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r1, &(0x7f0000000200)={0xb, 0x10, 0xfa00, {&(0x7f0000000080), r2, 0x3}}, 0x18) r3 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$RTC_WIE_OFF(r3, 0x7010) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:46:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) r4 = socket$inet6(0xa, 0x400000000001, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) ioctl$LOOP_SET_BLOCK_SIZE(r5, 0x4c09, 0x5) 12:46:19 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x980300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 827.219155][T22757] ldm_validate_partition_table(): Disk read failed. [ 827.233936][T22757] Dev nbd1: unable to read RDB block 0 [ 827.241068][ T9049] block nbd5: Receive control failed (result -107) [ 827.249859][ T9049] block nbd5: Receive control failed (result -107) [ 827.264677][T22757] nbd1: unable to read partition table 12:46:19 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x60}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 827.395347][T22928] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 827.413441][T22746] block nbd5: shutting down sockets 12:46:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$sock_SIOCGIFVLAN_GET_VLAN_REALDEV_NAME_CMD(r1, 0x8982, &(0x7f0000000000)={0x8, 'wireguard1\x00', {'nr0\x00'}, 0xb630}) ioctl$NBD_DO_IT(r2, 0xab03) syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x801) 12:46:19 executing program 1: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x430181, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, 0x0, 0x0) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x80001d00c0d0) ioctl$SNDCTL_DSP_SETFRAGMENT(r2, 0xc004500a, &(0x7f00000000c0)=0x258) r3 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x424202, 0x0) ioctl$TUNSETFILTEREBPF(r0, 0x800454e1, &(0x7f0000000080)=r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x0) [ 827.522702][T22928] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 827.632021][ T9049] block nbd4: Receive control failed (result -107) [ 827.645151][T22967] block nbd4: shutting down sockets [ 827.680634][ T9049] block nbd5: Receive control failed (result -107) [ 827.694367][T22963] block nbd5: shutting down sockets [ 827.706493][ T9049] block nbd4: Receive control failed (result -107) [ 827.721651][T22975] block nbd4: shutting down sockets 12:46:19 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x990300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r2, r3, 0x0, 0x80001d00c0d0) ioctl$SOUND_MIXER_WRITE_RECSRC(r3, 0xc0044dff, &(0x7f00000000c0)=0x69) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) times(&(0x7f0000000000)) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r6, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) flock(r6, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 12:46:19 executing program 4: r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, 0x0, 0x0) ftruncate(r1, 0x200004) sendfile(r0, r1, 0x0, 0x80001d00c0d0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r1, 0x402c5342, &(0x7f0000000000)={0x5, 0xd22f, 0x4, {0xffffffff, 0x3}, 0x1, 0x100}) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) [ 827.995848][T23190] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xf0}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 828.096524][T23190] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:20 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x9a0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x98, r3, 0x20, 0x70bd2b, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x30, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @remote}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast1}]}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x3d}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x8}, @IPVS_SVC_ATTR_SCHED_NAME={0x9, 0x6, 'lblc\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x4}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x71}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x400}]}, 0x98}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000815) ioctl$NBD_DO_IT(r2, 0xab03) [ 828.395775][T23189] block nbd5: shutting down sockets [ 828.413435][T23341] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsa\x00', 0x20200, 0x0) ioctl$SNDCTL_DSP_SUBDIVIDE(r2, 0xc0045009, &(0x7f0000000040)=0x3f) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) [ 828.532666][ T9049] block nbd4: Receive control failed (result -107) [ 828.534447][ T27] audit: type=1800 audit(1580647580.519:171): pid=23192 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="sda1" ino=17231 res=0 [ 828.544782][T23359] block nbd4: shutting down sockets 12:46:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x300}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:20 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x9b0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 828.615705][ T9049] block nbd4: Receive control failed (result -107) [ 828.627307][T23359] block nbd4: shutting down sockets [ 828.691032][T23419] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:20 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_DO_IT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040)='nl80211\x00') r5 = openat$autofs(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/autofs\x00', 0x240000, 0x0) getsockopt$bt_BT_CHANNEL_POLICY(r5, 0x112, 0xa, &(0x7f0000000500)=0x2, &(0x7f0000000540)=0x4) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r7, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r9, @ANYBLOB="000000000000b31a70fb0c00010776657468000000001800020014000100000000000000423735a5a043ee44fa594eda169837054c3b2f02547dee475cad43e9586e53536423d5084d51dfecbbaa2f6d247bbe75c100829dbd2ce2ce993b2ac1a47b9d2ab50d6b89418b82610938221b3cb0f1f7f826a34d6e4fd4399df1630d3ab1a195e2b78eb71ae2926ec2bfd034c2971ca73e30364c84097b80e8847d", @ANYRES32=0x0, @ANYBLOB="00000000008433df6d6f6b577d4eaaf2000007"], 0x5}}, 0x0) sendmsg$nl_route_sched(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000002c0)=ANY=[@ANYBLOB="f1d4ad6b4bf77a1472077400f21da8859228dfa977000024000705", @ANYRES32=r9, @ANYBLOB="00000000ffffffff00000000080001007366710048000229c6090032d0ed64f3c3545aaf6e000085a4e4ebb5ef670000000000000000000000000000001a4e624d29a84abf032657000000000000000000000000000000000000000000000000000000000000000020000089b53c947244306a0216a3de887763df5b42498b13bb1938de859ee6d7ae7dd2224dc672b69b4358c71b170ea0b667832e5224ee3538f885b7abd9bc4a7ddbab915dc5f0428f661313a650e00cb3"], 0x74}}, 0x0) r10 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r10, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000780)=ANY=[@ANYBLOB="840000002c0001bd18e972fe0700000000000000", @ANYRES32=r9, @ANYBLOB="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"], 0x84}}, 0x0) sendmsg$NL80211_CMD_LEAVE_MESH(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r4, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x404f, 0x2}}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x2}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r9}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000080}, 0x54) 12:46:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0xffff) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 828.763661][T23419] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:20 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x9c0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:21 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x500}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 828.992678][ T9049] block nbd5: Receive control failed (result -107) [ 829.000648][ T9049] block nbd5: Receive control failed (result -107) [ 829.018775][T23522] block nbd1: Device being setup by another task [ 829.024790][T23421] block nbd5: shutting down sockets [ 829.044494][T23462] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=63307 sclass=netlink_route_socket pid=23462 comm=syz-executor.4 [ 829.075417][T23536] block nbd1: Device being setup by another task 12:46:21 executing program 4: r0 = syz_open_dev$cec(&(0x7f0000000000)='/dev/cec#\x00', 0x1, 0x2) ioctl$FITRIM(r0, 0xc0185879, &(0x7f0000000040)={0x4, 0x3, 0x7}) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x2, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x412140) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0xa000) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r6, 0x8933, &(0x7f0000000080)={'batadv_slave_0\x00'}) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x3) 12:46:21 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x600}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 829.220607][T23462] block nbd4: shutting down sockets [ 829.239478][T23640] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 829.357376][T23749] block nbd4: Device being setup by another task [ 829.384046][T23640] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x10400) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, 0x0, 0x0) ftruncate(r4, 0x200004) sendfile(r3, r4, 0x0, 0x80001d00c0d0) ioctl$USBDEVFS_IOCTL(r4, 0xc0105512, &(0x7f0000000000)=@usbdevfs_connect={0x7}) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r6, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$FS_IOC_GET_ENCRYPTION_POLICY(r6, 0x400c6615, &(0x7f0000000100)={0x0, @adiantum}) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) setsockopt$inet_MCAST_MSFILTER(r7, 0x0, 0x30, &(0x7f0000000180)={0xff, {{0x2, 0x4e24, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x0, 0x3, [{{0x2, 0x4e21, @remote}}, {{0x2, 0x4e20, @remote}}, {{0x2, 0x4e24, @initdev={0xac, 0x1e, 0x1, 0x0}}}]}, 0x210) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) open_by_handle_at(r1, &(0x7f0000000480)=ANY=[@ANYRESDEC=0x0], 0x0) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r8) r9 = openat(r4, &(0x7f0000000040)='./bus\x00', 0x0, 0x80) socket$inet_udplite(0x2, 0x2, 0x88) setreuid(0x0, 0x0) r10 = getgid() chown(&(0x7f00000000c0)='./bus\x00', 0x0, r10) ioctl$NBD_DO_IT(r9, 0xab03) 12:46:21 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x9d0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 829.761456][T23867] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:21 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r1) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000180)={{{@in6=@local, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@empty}, 0x0, @in6=@loopback}}, &(0x7f00000000c0)=0xe8) r3 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r4) syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(0xffffffffffffffff, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xfbfbfbfb}) fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000700)={{{@in=@initdev, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@dev}}, &(0x7f00000004c0)=0xe8) r7 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/fuse\x00', 0x2, 0x0) stat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuse\x00', 0x0, &(0x7f0000000200)={{'fd', 0x3d, r7}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r8}}) getgroups(0x4, &(0x7f0000000400)=[0xee01, 0xee00, 0xee00, 0xee01]) r10 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/fuse\x00', 0x2, 0x0) stat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuse\x00', 0x0, &(0x7f0000000200)={{'fd', 0x3d, r10}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r11}}) r12 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r12, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) getsockopt$sock_cred(r12, 0x1, 0x11, &(0x7f0000000440)={0x0, 0x0, 0x0}, &(0x7f0000000480)=0xc) openat$fuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/fuse\x00', 0x2, 0x0) stat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r15 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/fuse\x00', 0x2, 0x0) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuse\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r15, @ANYBLOB="2c726f6f746d6f64653d30303014303030303030303030303030303134303030302c757365725f69643d", @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0, @ANYBLOB=',fsname=user_id,\x00']) setxattr$system_posix_acl(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='system.posix_acl_access\x00', &(0x7f0000000580)=ANY=[@ANYBLOB="02000000010000000000000002000b00", @ANYRES32=0xee00, @ANYBLOB="02000300", @ANYRES32=r1, @ANYBLOB="02050100", @ANYRES32=r2, @ANYBLOB="02000200", @ANYRES32=r4, @ANYBLOB="0200f9ff267db0fb6f70c97a344bda19fa429e89", @ANYRES32=r5, @ANYBLOB="02000000", @ANYRES32=r6, @ANYBLOB="040003000000000008000400", @ANYRES32=0x0, @ANYBLOB="08000300", @ANYRES32=r8, @ANYBLOB="08000400", @ANYRES32=r9, @ANYBLOB="08000200", @ANYRES32=r11, @ANYBLOB="08000100", @ANYRES32=r13, @ANYBLOB="08000600", @ANYRES32=r14, @ANYBLOB="08000200", @ANYRES32=0x0, @ANYBLOB="10000400000000002000000000000000"], 0x8c, 0x0) r16 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x2) ioctl$NBD_SET_SIZE(r16, 0xab02, 0xfff) 12:46:21 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x608}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 829.844232][T23867] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:21 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x9e0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, 0x0, 0x0) sendfile(r1, r2, 0x0, 0x80001d00c0d0) read$usbmon(r2, &(0x7f0000000180)=""/93, 0x5d) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000000)={0x0, 0x0}) ioctl$BLKTRACESETUP(r3, 0xc0481273, &(0x7f0000000080)={[], 0x0, 0x9, 0x7, 0x2, 0x4, r5}) [ 830.067537][T23972] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 830.100288][ T2628] block nbd4: Send control failed (result -89) [ 830.107226][ T2628] block nbd4: Request send failed, requeueing 12:46:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x214000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) syz_genetlink_get_family_id$batadv(&(0x7f0000000000)='batadv\x00') [ 830.115022][ T9049] block nbd4: Receive control failed (result -32) [ 830.122233][ T2628] block nbd4: Attempted send on invalid socket [ 830.128702][ T2628] block nbd4: shutting down sockets [ 830.135867][ T2628] print_req_error: 436 callbacks suppressed [ 830.135883][ T2628] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.153740][ T2628] buffer_io_error: 438 callbacks suppressed [ 830.153750][ T2628] Buffer I/O error on dev nbd4, logical block 0, async page read [ 830.167796][ T2628] blk_update_request: I/O error, dev nbd4, sector 2 op 0x0:(READ) flags 0x0 phys_seg 2 prio class 0 [ 830.178801][ T2628] Buffer I/O error on dev nbd4, logical block 1, async page read [ 830.187758][ T2628] Buffer I/O error on dev nbd4, logical block 2, async page read [ 830.196047][ T2629] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.207134][ T2629] Buffer I/O error on dev nbd4, logical block 0, async page read [ 830.216096][ T2629] blk_update_request: I/O error, dev nbd4, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.227077][ T2629] Buffer I/O error on dev nbd4, logical block 1, async page read [ 830.235441][ T2629] blk_update_request: I/O error, dev nbd4, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.246668][ T2629] Buffer I/O error on dev nbd4, logical block 2, async page read [ 830.251885][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.265687][ T2629] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.266462][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 830.276571][ T2629] Buffer I/O error on dev nbd4, logical block 0, async page read [ 830.276783][ T2629] blk_update_request: I/O error, dev nbd4, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.286143][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.292214][ T2629] Buffer I/O error on dev nbd4, logical block 1, async page read [ 830.292380][ T2629] blk_update_request: I/O error, dev nbd4, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 830.303442][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 830.319398][T23745] ldm_validate_partition_table(): Disk read failed. [ 830.373021][T24005] ldm_validate_partition_table(): Disk read failed. [ 830.394984][T24005] Dev nbd1: unable to read RDB block 0 [ 830.436745][T23972] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:22 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x806}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 830.531189][T24005] nbd1: unable to read partition table 12:46:22 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x9f0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 830.626664][T24006] ldm_validate_partition_table(): Disk read failed. [ 830.637701][T23745] Dev nbd4: unable to read RDB block 0 [ 830.665986][T23745] nbd4: unable to read partition table [ 830.682672][T23745] nbd4: partition table beyond EOD, truncated [ 830.690508][T24006] Dev nbd1: unable to read RDB block 0 [ 830.715963][T23987] nbd4: detected capacity change from 0 to 3072 [ 830.726573][T24006] nbd1: unable to read partition table [ 830.783842][T24005] ldm_validate_partition_table(): Disk read failed. [ 830.789959][T23987] ldm_validate_partition_table(): Disk read failed. 12:46:22 executing program 5: syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x2, 0x1, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r3, 0xab00, r0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) [ 830.835110][T23987] Dev nbd4: unable to read RDB block 0 [ 830.867857][T24005] Dev nbd1: unable to read RDB block 0 [ 830.921604][T24299] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 830.930802][T23987] nbd4: unable to read partition table [ 830.977945][T24005] nbd1: unable to read partition table [ 831.001802][T23987] nbd4: partition table beyond EOD, truncated [ 831.010329][T24086] ldm_validate_partition_table(): Disk read failed. [ 831.047865][T24086] Dev nbd4: unable to read RDB block 0 [ 831.050745][T24302] ldm_validate_partition_table(): Disk read failed. [ 831.078350][T24086] nbd4: unable to read partition table [ 831.087813][ T9049] block nbd5: Receive control failed (result -107) [ 831.092345][T24302] Dev nbd1: unable to read RDB block 0 [ 831.097497][ T9049] block nbd5: Receive control failed (result -107) [ 831.101965][T24299] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 831.115503][T24086] nbd4: partition table beyond EOD, truncated [ 831.151419][T24302] nbd1: unable to read partition table 12:46:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) getpeername$netrom(r2, &(0x7f0000000000)={{0x3, @netrom}, [@null, @netrom, @remote, @remote, @netrom, @remote, @netrom, @default]}, &(0x7f0000000080)=0x48) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:46:23 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0xa00300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x900}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 831.266076][T24306] block nbd5: shutting down sockets 12:46:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0xc, 0x121041) write$evdev(r2, &(0x7f0000000040), 0x373) ioctl$EVIOCGKEY(r2, 0x80404518, &(0x7f0000000040)=""/24) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) r4 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r4, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_inet6_tcp_SIOCINQ(r4, 0x541b, &(0x7f0000000000)) [ 831.355386][T24414] ldm_validate_partition_table(): Disk read failed. [ 831.383834][T24414] Dev nbd1: unable to read RDB block 0 [ 831.440920][T24414] nbd1: unable to read partition table 12:46:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r4, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f00000001c0)=0x3) ioctl$NBD_DO_IT(r2, 0xab03) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_VERSION(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x78, r5, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x2b, 0x1, 'posix_acl_accesssystemGPL-vmnet0:$ppp1\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, [], 0x2f}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, [], 0x1, 0x0}}]}, 0x78}, 0x1, 0x0, 0x0, 0x20000000}, 0x1) [ 831.580146][T24439] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 831.622235][T24416] block nbd4: shutting down sockets [ 831.641529][ T9049] block nbd5: Receive control failed (result -107) [ 831.650326][ T9049] block nbd5: Receive control failed (result -107) [ 831.660194][T24440] block nbd5: shutting down sockets 12:46:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000440)='/dev/nbd#\x00', 0x0, 0x20000) ioctl$SNDRV_PCM_IOCTL_READN_FRAMES(0xffffffffffffffff, 0x80184153, &(0x7f0000000400)={0x0, &(0x7f00000003c0)=[&(0x7f0000000000)="e6fe6d487dd3ea00112e7af7fabce43e0d931f0e317641b1f4c3013ce374310a74b50235eaec795fc9e2c94f7473b854c2a10b3b8c8422c71c6ebaf4a7aad24af777bc12b9dd768f6250e36f1c4b1f8c2415d63afd69607e69336898472d0cb1ba3a29546282acadb5353684a81b2a89eda3f73a80299372ff560669ee673108797d0d103f34d39d6f133270946ebf5625d915ba", &(0x7f00000000c0)="d92f7eab4db3e4faed93758137ca270c8731f3e227bf0f9f550648ae69d33942cc9f8de9afc1e994449144bbe1f2038a6b19c3e8a6c5699aad1a744aa4126af9e62a3aec86b684298f8e025dafbf458b55a2b095", &(0x7f0000000180)="173f3e6a25fe642621fe03467d65fde7a26b73fbae480a0d357452476c8e3e5f48172f763e30ee1e78c0b4eaa5c8a90f8ffc19c25c9b7f44575a08aee1618a750c64a8730d539acc503bc0907760", &(0x7f0000000200)="8eaa991f2ce54cec8a01d8b6fbed163efc22c39aa6672474d07e839d3c02c0953bea7cd545685f45d242601a668d750fc198a61ec29912c0c0f52e60613852241e6b5aa4ca636c0c9ba369246ad3a4da8777603fdfdbcca00bbc064be3d978a3f2ac09d3ea2d5e8a8af8cd581ec859df134fd37a", &(0x7f0000000280)="ffd4ce5d36309da3f02551bdcbaafe0a7ef1b94f2d9c0a396851ca9da977fadf4fbe79c42d3968c09202548b91876b18ae26bdfaa285c3cba5ec35046036eb46585a7ebaa2e2bd36a13f8c0906fd3c25db328bbf114cbb48490d", &(0x7f0000000300)="7cd3ff595bb99ac8ffcda5a414ff2016089374302a", &(0x7f0000000340)="6afc80eee642fbb7b205d7278e5ffb07cc90357c423a625636ad7a7e5b60b07f7a6df46d599bbc65c6aedb6c58ff6cdaf959b3ab24fa8f0b177a512486fef87a98f9e6fea3ce098b06bcaa113a95439dfedabf7f84769bdb08ae12728aa2bf7ed4d5f0a7e6c076"]}) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000580)='/dev/null\x00', 0x6040, 0x0) io_uring_setup(0x636, &(0x7f0000000600)={0x0, 0x0, 0x5, 0x2, 0x260}) ioctl$UFFDIO_ZEROPAGE(r1, 0xc020aa04, &(0x7f00000005c0)={{&(0x7f0000ffc000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$caif_stream(0x25, 0x1, 0x2) ioctl$FS_IOC_MEASURE_VERITY(r2, 0xc0046686, &(0x7f0000000680)={0x1, 0xc8, "ac309a5f1f54d9c6f3155a96a3406d3bc1ef696cfee46a661b3171e598396d135ab8e02d20e86c2a8cc0ddc2b8410eb788b54cbda934d8db77457a719532028b784c26f77f2395c5b89286d9e25225ad985b1327af7391917f05e282dd6453e172e4b570abcbed11790c9ea15678fb7628573ed7309f580901216bbcdf4f10b5ded7994a55fdea22e5c3da5b14de1e8cf1cedbf7ab85e2d67451bce7fdc4b35d9ddf38010442b32ad1c4ab1da2486ac7d8702d3f0959696bc8bffdb6cafbb141536e671d846dd80e"}) ioctl$VIDIOC_DQBUF(0xffffffffffffffff, 0xc0585611, &(0x7f0000000480)={0x9, 0x5, 0x4, 0x2, 0x0, {}, {0x2, 0x2, 0x5, 0x20, 0x40, 0xf9, "7fe9282e"}, 0x2, 0x1, @planes=&(0x7f0000000140)={0x0, 0x400, @userptr=0x3f, 0xfffff06a}, 0x6, 0x0, 0xffffffffffffffff}) ioctl$VIDIOC_SUBDEV_G_EDID(r3, 0xc0285628, &(0x7f0000000540)={0x0, 0xd4, 0x7, [], &(0x7f0000000500)=0x20}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 831.707787][T24439] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:23 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0xa10300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xa00}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = dup2(0xffffffffffffffff, 0xffffffffffffffff) sendto$phonet(r2, &(0x7f0000000000)="57bb983f2195acfa3fd8d44d5929b3a3911206fadc086c2fbb728905caf73c0ab0d225b4ae1c9089c1d41e02aa56c37d561812ec5532da7b6c16e21dba3b44f4710ad1b9f2d6f2e9acd67fdf54f515f54410ae87cdf35892fe717758a5a8b29747f44b571c952ebe66edb501d0b8bf367a638a36828c1c48baca10a4ab2ab2dabd", 0x81, 0x40000, &(0x7f00000000c0)={0x23, 0x7f, 0xa3, 0x7}, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = socket$inet6(0xa, 0x400000000001, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) ioctl$SCSI_IOCTL_SYNC(r5, 0x4) ioctl$NBD_DO_IT(r3, 0xab03) [ 832.123891][T24648] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 832.152869][ T9049] block nbd4: Receive control failed (result -107) 12:46:24 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xb00}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000400)='/dev/nbd#\x00', 0x0, 0x8000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f0000000480)={0x1, 0x5, 0x4, 0x170681d9e6b941a4, 0x200, {0x0, 0x2710}, {0x1, 0x8, 0x9, 0x67, 0x7, 0xeb, "fbba50b0"}, 0x3, 0x4, @userptr=0xfffffffffffffff9, 0x6, 0x0, r1}) ioctl$SCSI_IOCTL_STOP_UNIT(r4, 0x6) syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)=0x19) r6 = socket$inet6(0x10, 0x3, 0x0) r7 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x40202) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r7, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r8 = socket$pptp(0x18, 0x1, 0x2) r9 = syz_open_dev$amidi(&(0x7f0000000540)='/dev/amidi#\x00', 0xfffffffffffffc01, 0x40) sendfile(r9, r8, &(0x7f0000000500)=0x2db, 0x6) sendto$inet6(r6, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r10 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r10, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) getsockopt$inet_sctp6_SCTP_RTOINFO(r10, 0x84, 0x0, &(0x7f0000000340)={0x0, 0xffff8000, 0x2, 0x1c13}, &(0x7f0000000380)=0x10) r12 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000280)='/proc/capi/capi20\x00', 0x600500, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r12, 0x84, 0x7b, &(0x7f00000003c0)={r11, 0x415b}, 0x8) ioctl$sock_proto_private(r1, 0x89e2, &(0x7f0000000180)="56ffb2c8ade6bc4700961fb6608eeef3178bea887f766cdc547c9f45d9c1aa41ef6c3b4bb5bc0f7629276c67031e067ad760723d4ee0b742c3b93919af10b38b4c176550215d0a90fe5372cee1713f42133984d3dc543f03a57413c695cff916883b18fea586296d12790bceb08ad30b7b54a2083d87004c2fc23f2134af732b642a93c41abc69c9ea70a9f2ee887ba14ed47c32522485bf30cbd05f960a15d08d756fe9354fc312c10f8030930eb5c2c9ff08f1d7f0fccd818c420197cff5c219") ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r13 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r13) r14 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r14, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_inet_SIOCGIFBRDADDR(r14, 0x8919, &(0x7f0000000040)={'caif0\x00', {0x2, 0x4e22, @empty}}) ioctl$NBD_DO_IT(r5, 0xab03) [ 832.296054][T24648] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:24 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0xa20300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ff) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = creat(&(0x7f0000000180)='./file0\x00', 0x100) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000180)='NLBL_CIPSOv4\x00') sendmsg$NLBL_CIPSOV4_C_ADD(r3, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000780)=ANY=[@ANYBLOB="bf0b8619cb7481061cea60670a058ed778082072fbf839f078a3553a954a309c5aaa534fb36d6f302757129dee01b4ddcced45322f8430d30f7e011f8e471333c0c1dacddf63339bced92b038734bccc88560f02e315efbb4540ab70bb469ad99e3fa758df5f3fa9f35d8cefe466a5e5b4b9d1f3ef62e7553942f49a15f7602d205a41b7", @ANYRES16=r4, @ANYBLOB="0c0a26bd7000fddbdf250100000008000200020000000c0004802c000480ac0008800c00048004000880"], 0x110}, 0x1, 0x0, 0x0, 0x4014082}, 0x0) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000480)={0x2e8, r4, 0x6a32b6866c649b82, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x10, 0x8, 0x0, 0x1, [{0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2e44a32}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x30, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x203bb23e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x160da6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5c3dadfb}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x84, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b73d602}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7a15}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x8000}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd50a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb891}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5110b8a5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c85}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x26bf70fd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x43fbf807}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa8ba}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x68986c4d}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4c5b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x37ba4c61}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6013e48b}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x1ac, 0xc, 0x0, 0x1, [{0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2590}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7e3c98e5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1da7e152}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x174ed6ec}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd9d2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3ec2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x78df}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x65ece7b1}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf1c}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9c0a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x141ea36e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4b98a4ea}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x48b0}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29fe6ce7}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7be8ede5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x351f141a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2454}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4fc4a8ce}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x972f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x239f55e4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa04f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xba1d}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c7c4395}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3c08d20a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4171a7e8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa2e2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x68e228a1}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x98f9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5cd1b854}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x19}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x77dd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2964}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x637620d4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24c4b56c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5941a3b9}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6d4e21d9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3c20}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x43fe}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5fe9}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5826}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x66ac77ed}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4eb0aea8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x27b7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a00a98c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6150447}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbcf}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x842b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9156}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSCATLST={0x5c, 0xc, 0x0, 0x1, [{0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1a276a5a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2729cd39}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc9b3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf62a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x17104d8a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1757a5ea}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7f9c7195}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4b69}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x38f485f6}]}]}]}, 0x2e8}, 0x1, 0x0, 0x0, 0x404405c}, 0x841) sendmsg$NLBL_CIPSOV4_C_LIST(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20004040}, 0x8011) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r5, 0xab02, 0x0) [ 832.635329][T24934] block nbd1: Device being setup by another task [ 832.653142][T24752] block nbd5: shutting down sockets 12:46:24 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xc00}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x1d, 0x5, 0xfd) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/hci\x00') io_uring_register$IORING_REGISTER_EVENTFD(r1, 0x4, &(0x7f00000000c0)=r4, 0x1) r5 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r5, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_inet_SIOCGIFDSTADDR(r5, 0x8917, &(0x7f0000000000)={'veth0_to_bond\x00', {0x2, 0x4e23, @local}}) sysfs$3(0x3) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x193f02) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 832.816136][T24646] block nbd4: shutting down sockets [ 832.822122][T24966] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 832.903503][ T27] audit: type=1800 audit(1580647584.889:172): pid=24756 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=17293 res=0 [ 832.980733][ T9049] block nbd5: Receive control failed (result -107) [ 832.980814][T24966] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 833.013221][T24971] block nbd5: shutting down sockets 12:46:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x101080, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) ioctl$NBD_DO_IT(r7, 0xab03) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsu\x00', 0x208600, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 12:46:25 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xe00}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:25 executing program 1: ioctl$VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000000)={0x2, 0x9, 0x4, 0x80000000, 0x8, {0x0, 0x7530}, {0x3, 0x0, 0x5, 0x2, 0x1, 0x9, "73574ea2"}, 0xfd16, 0x3, @userptr=0x9, 0x3, 0x0, 0xffffffffffffffff}) ioctl$BLKALIGNOFF(r0, 0x127a, &(0x7f0000000080)) syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x402000) 12:46:25 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0xa30300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 833.282858][ T9049] block nbd4: Receive control failed (result -107) [ 833.350705][T25233] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 833.382787][T25233] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$media(&(0x7f0000000000)='/dev/media#\x00', 0x1, 0x6000) ioctl$SG_GET_ACCESS_COUNT(r1, 0x2289, &(0x7f0000000040)) r2 = socket(0xa, 0x1, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x3f) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) [ 833.425362][T25082] block nbd4: shutting down sockets 12:46:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x800) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:46:25 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0xa40300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:25 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xf00}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 833.502874][ T9049] block nbd4: Receive control failed (result -107) [ 833.563255][T25082] block nbd4: shutting down sockets [ 833.637252][T25328] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 833.696782][T25328] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000000700)=[{{&(0x7f0000000000)=@llc={0x1a, 0x30f, 0x1, 0xfc, 0x2, 0x3, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000180)="e74fa509de0ed47bf4672510f9263345d68301fc422d8a8e1b5a2261f1b6f51f3b385fbbea581bf5f5403a9d6fd25ed2a9477a542e72e70f578b8ecad8fe0f9131c92ac6a0f0abc29b8fe0faebe3a984906e99c660cd3b954724f7e6600541266153778238b7570f137906ec0bb8927438ec916b387a09aabf06f171a2f94d8ada59346ec1e7d274c9d79750207ddf1c9532213c86ddcfb1ead3bfe9c38e43622975fd572e69c57e3e25efadbfec994a2360f3587ca21fc7de094d848db51cba0596db8ec5880dc07949a6302e31a33c1faf77d8", 0xd4}, {&(0x7f0000000080)="d876af4a64e2dfd10cf143d3d1ee8ca3e678a815dbab084eebf08615c79d11f3ee4bdf14e801e64ac4e1340eda445afc7af1aae26d0fb05a59bf870a73e447ffe511007dfc197382942c6c260d70f160b6741736e677307dcdfd6c25c5dcb52574be7aba", 0x64}, {&(0x7f0000000100)="d68704bf0ec70319ae90f7f1496efab141f63ea5612e67c82bf6e307725d8a18218040263f2c", 0x26}, {&(0x7f0000000280)="3fd4916d1d63e442650a1b92044bfc5bfd01a88818be401ba86772e00d05f5821598656b612e4a08e6dcefd92b6a0b31df5ef2f0d62cff578f36f4113d467a98ffb5c432752d3325a2dd3e", 0x4b}, {&(0x7f0000000300)="1d0e5b4b4c564fefdc7443da16e3340ba41cf9b7298060dc3a987d78c76b59d7be6bcbe3bcd9b65c1ae9997931b06a2b82d568cb10cddbac20acc300172e6329b68999de2a0750c940e25ddd69c712eb89d81b64ef093bfd4c8b8afd30ebd1d3c0919ee65d39aea020e16d27355293318f3414dc860fab4fb8c945a4624a31fa462c6e06ef479790cc80961f4b270d19ac40a4a7afc5be1bc8276d00295ed860a827369b53efa4df1d852846e4af403d3c44205d08186b83bd5ef7034123825a170e679af7f35fd358037d9d6ad67c5d67f1513d3b45f8ea1d13c5f0e2c60e7fec05daa0262f4360", 0xe8}], 0x5, &(0x7f0000000480)=[{0x50, 0x10c, 0x5, "ecdcbad584e8fed0bb710a810fe024adab927b6e5a87f654c17f3e402d21d4523862078150ac2f6c811baf144edb00a89a225a2ac572d7ad362c40aa3334a2"}, {0x80, 0x105, 0x5, "3648fa34bf3b8afa9069f083d638fd6f5cccef35c8bfcdd8c63d628b06bed0c144b50a51b624b27397f01a069120d8beb059e0810ae88c8e67df445d001c9f0dfc949667aac427ebf28b20c4ba89783339bd9e2da5161ccbf3a0deb8711c3513c51e0c9b8b83bb98c6a4668c09a2"}, {0xd8, 0x115, 0x1, "ff553a7745af505893883c215521db0432df06518a632a4f9473bace827ed0de6a90502601eac32fb33282dbafcbf731861ec0a41784fea9ca282e7dfccbe9942af4a1341bdf12351d42470cb0d4e19d77f4db55c40e3dfc48f256c1e47192ca0e77bdd464a288590d7b993e2fca5d6af7a2232ab71f0f7987113129e7416c0ac96d6310a161b0d8a03872899226925139f98bcb6e74ddd8b4b0e0faea836dff27c48e9360147f84587adb4a8115151cc7a2b2a6661ca105cde8d10308dfa5124f"}, {0xd8, 0x6, 0xb85e, "43eb82c9ded732cd0a397f6afe33bb9102971337e4c4d2b7db5df047370cd01d6c9434823c95dae347fe4ff727ff7a8df6961230f189398de0d762c5fb0a751a2c612036a79f7a02e38a23bd51fedc308753eba84cf6edae5c4adb9f28d471c5676e3711e7464d11d049607226825f90b64d4e462da541e2d70a734f651850bb8e74487ac97a008e52725986676ab9ed4c213552d3590632bf566000bd5bdc64f19e677b3b71cf7905b6746dea7c6a10555414b5e91a99e61ef974160bc90d71b0"}], 0x280}}], 0x1, 0x4008000) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$video(&(0x7f00000003c0)='/dev/video#\x00', 0x80, 0x101882) ioctl$VIDIOC_S_CROP(r1, 0x4014563c, &(0x7f0000000400)={0x3, {0x10000, 0x1f, 0xa, 0x3f}}) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$sock_inet_SIOCGIFPFLAGS(r4, 0x8935, &(0x7f0000000000)={'team_slave_1\x00', 0x4}) ioctl$NBD_DO_IT(r3, 0xab03) r5 = socket$inet6(0x10, 0x3, 0x0) connect$pppl2tp(r2, &(0x7f0000000380)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e22, @broadcast}, 0x4, 0x3, 0x1, 0x1}}, 0x26) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) sendmsg$nl_xfrm(r7, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000300)={&(0x7f0000000180)=@getae={0x170, 0x1f, 0x800, 0x70bd2c, 0x25dfdbfe, {{@in6=@mcast2, 0x4d2, 0x2, 0x2b}, @in=@local, 0x8, 0x3500}, [@algo_crypt={0x60, 0x2, {{'ctr-serpent-avx\x00'}, 0xc0, "f9e22eaf7802a81e64d63df0542b47f48acce8c7f7c42ae6"}}, @mark={0xc, 0x15, {0x350759, 0x1f}}, @migrate={0x9c, 0x11, [{@in=@initdev={0xac, 0x1e, 0x1, 0x0}, @in6=@local, @in=@rand_addr=0x10001, @in=@empty, 0x6c, 0x4, 0x0, 0x3500, 0x2, 0xa}, {@in6=@mcast2, @in6=@initdev={0xfe, 0x88, [], 0x1, 0x0}, @in=@empty, @in=@multicast2, 0x6c, 0x4, 0x0, 0x34ff, 0x2, 0xa}]}, @coaddr={0x14, 0xe, @in=@multicast1}, @srcaddr={0x14, 0xd, @in6=@remote}]}, 0x170}, 0x1, 0x0, 0x0, 0x4080}, 0x4000800) sendto$inet6(r5, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) getsockname(r5, &(0x7f0000000040)=@can, &(0x7f00000000c0)=0x80) 12:46:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, 0x0, 0x0) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x80001d00c0d0) ioctl$KVM_GET_MSRS(r2, 0xc008ae88, &(0x7f0000000000)={0x7, 0x0, [{}, {}, {}, {}, {}, {}, {}]}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:46:25 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0xa50300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:25 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x1100}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 834.033733][T25515] block nbd4: shutting down sockets [ 834.063492][T25522] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$xdp(r1, &(0x7f0000000540)={&(0x7f0000000040)={0x2c, 0x5, r2, 0x6}, 0x10, &(0x7f00000004c0)=[{&(0x7f0000000080)="7241a3f94edfd4ba7626b949aa72a1045234b32939bdb5216c88960d1cc24214a84c250ff6daa8e4aaf7bf88fa669c27fd08a0ad4cb1ed24e7b019c21262f83e3ab7e3cfe39704820ca67e37c43e88fe78218b681525c7231274af63d56e20e719e808453ff13cb9074df082037b60d6ef55fbfda93ef8575bb3db4fd0b544840a679767469611bae3aec0bf79ca5922daaf7bdc8845bd202c2787dd378355c633112e833c2bbacf81ee8e7d2535ff2c3738501db6739c9674", 0xb9}, {&(0x7f0000000180)="6d1943b04627f213d7b3a19ba50c3c667cd3de346c3bc2b614d96e8a63e8634181073b774139f7a532b1623d78396a83b8120ee27a5cd7d7c77d3d45194873aa7de44c26cee50a1eee71bb4336d08a395c1f052ef1e4ca351fe0310db301f228bd874b56b5332e9dada7bcdde6fb1cf6229c469a8f8497a6250bf770865c9d25a59c6b6a10ce0ca98df1c43df66f48981a9e948eaefe634897a5daef04d58455699148c17ee21fbe23a6285f364a5874358c4a7ed8612014155c5ed1ed8989865de7c35e25e67dfa7837358e69", 0xcd}, {&(0x7f0000000280)="895e951ce7cf63a1dd61c373da19555f3a7caee346980079b8b9cc110bd5737dcae5dfa0a1d33903f40292290793d6d4ca3706488daa5fd37d472ae9e5ba435e0e50f04d23958d0a63924115e420d6b6660b25518ef3a32c6f01268fbfb5bbbd47b3c791d8", 0x65}, {&(0x7f0000000300)="8197a200a5f375db523218c457e8475342d8d29159cf318e436303459ae4f1d42b5f21264b806d4be2734af9e4f724c306334f3e1c3174bb66edd62e8c75f44d35dca838730411a6abf89b09333781b77973", 0x52}, {&(0x7f0000000380)="79bb72f843591f4b477b105a07b931b78e6ab7c6a95707cf51f8b1286b5f5116be1f2ec70a959bf5310c597bd9c894e8cc58753677a1f2cbfd7117eebd4108c8ad1284ecfa0ec067c594c9ac665b1c3f834eb6c7819cd0d4ca9f4738e1e4cf195850199ec37b2704d200159e80dddf86ba3849ecebcdf988aa1879f431bb9a76f715d94f2b0df59e88a70912759e859cc00a131353d5fbb5bafcd4a1754c25c4a4e04f81c02e000009cf2c722d2253b74793f3409d7afaa306", 0xb9}, {&(0x7f0000000440)="3b6724ef33719b11525e50fca805fec7de6e47a7129c9fa88714496d8df7c887cdfac73287e6ea1ec0a8b735a6ae389d75bdb3268072f6c2a2651768831a26fe981a2071dd88cab8b9db16660b0f4934b7b89c642d2438574469270556656982164aef0242c7c7d6cbd749ec9a8617925979135308e7ddb613604bce24", 0x7d}], 0x6, 0x0, 0x0, 0x1}, 0x24050004) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket$inet6(0xa, 0x400000000001, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) ioctl$SG_GET_COMMAND_Q(r5, 0x2270, &(0x7f0000000580)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) r6 = semget(0x1, 0x1, 0xfebd43db203a76c1) semctl$IPC_STAT(r6, 0x0, 0x2, &(0x7f0000000340)=""/117) semctl$SETVAL(r6, 0x0, 0x10, &(0x7f00000005c0)=0x28) [ 834.176254][T25522] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 834.212478][T25528] block nbd5: shutting down sockets 12:46:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) prctl$PR_SET_KEEPCAPS(0x8, 0x1) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000540)=@newsa={0x204, 0x10, 0x713, 0x0, 0x0, {{@in6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, @in=@initdev={0xac, 0x1e, 0x0, 0x0}}, {@in6=@ipv4={[0xfffffff0], [], @broadcast}, 0x0, 0x32}, @in6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, {}, {}, {}, 0x0, 0x0, 0x2, 0x0, 0x0, 0x96}, [@algo_crypt={0x48, 0x2, {{'ecb(cipher_null)\x00'}}}, @replay_esn_val={0x1c}, @algo_auth_trunc={0xad, 0x14, {{'sha1\x00'}, 0x308, 0x0, "abc5d499fc173a7f221106f3c8734997b54463b443520c832b5dd51fd1de0e1dd29d3cfe0e77126a8712508128011802b0229932d4be0048041e7b3730dde56b2a071b8be25e8347a11c44c5cc539f98ae895f24e4f735bb7df7ab87f2a8286704"}}]}, 0x204}}, 0x0) ioctl$PPPIOCGDEBUG(r3, 0x80047441, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x12, 0x80000, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0)='nl80211\x00') sendmsg$NL80211_CMD_REQ_SET_REG(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r8, @ANYBLOB="77eb9d6dab1b00230062ba21006262800000000000000000"], 0x1c}}, 0x0) sendmsg$NL80211_CMD_START_AP(r1, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000080)={&(0x7f0000000780)=ANY=[@ANYBLOB="73e7c708", @ANYRES16=r8, @ANYBLOB="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"], 0x810}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000010) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) accept4$vsock_stream(r6, &(0x7f0000000100)={0x28, 0x0, 0xffffffff, @host}, 0x10, 0x800) ioctl$NBD_DO_IT(r5, 0xab03) 12:46:26 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40880300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 834.303182][ T9049] block nbd4: Receive control failed (result -107) [ 834.353209][T25566] block nbd4: shutting down sockets [ 834.396285][T25664] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:26 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x1200}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) r9 = socket$inet6(0xa, 0x400000000001, 0x0) close(r9) r10 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r9, 0x84, 0xd, 0x0, 0x0) ftruncate(r10, 0x200004) sendfile(r9, r10, 0x0, 0x80001d00c0d0) ioctl$KVM_GET_NR_MMU_PAGES(r10, 0xae45, 0x20) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000000)='/proc/capi/capi20ncci\x00', 0x400000, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) [ 834.473284][T25664] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:26 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40890300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000280)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x6) r3 = socket(0x5, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = accept4(r1, 0x0, &(0x7f0000000040), 0x80000) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r5, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r6 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r6, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r7 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r7, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) sendmsg$NFNL_MSG_CTHELPER_DEL(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000700)=ANY=[@ANYPTR=&(0x7f0000000600)=ANY=[@ANYRESHEX, @ANYBLOB="fc75a2f33c54b87b3a1a08ae1e84541de0bf39862f0291c7c2c5d6d00dffd86ebbcc0a16e48b734e892a7e2047c8a6532f7723d81038456fa364ef088efb1b7684586457e422938c2773ef4bde236912b79a213b9c49fc8d92d7ed5da9aa2b4049aad607ebaa9ee5181ff37993ed0aefc9a282d03189e566f6209aad5644c463d44b37e006382590d4b585cb8fc4f20228d4869820ed7155766fcab087c8f9f8844583690094a52c485cb2c63e3887088db29c2ac541b9f7d820bb8106f19463c85a0a8a631fb12e", @ANYRESDEC=r7, @ANYRES16=r4]], 0x1}, 0x1, 0x0, 0x0, 0x20004010}, 0x20008000) syz_open_dev$ndb(0x0, 0x0, 0x0) openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000080)='/proc/capi/capi20\x00', 0x20000, 0x0) r8 = semget(0x1, 0x1, 0xfebd43db203a76c1) semctl$IPC_STAT(r8, 0x0, 0x2, &(0x7f0000000340)=""/117) socket$l2tp6(0xa, 0x2, 0x73) semctl$GETALL(r8, 0x0, 0xd, &(0x7f00000001c0)=""/148) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$PPPIOCSMRRU(0xffffffffffffffff, 0x4004743b, &(0x7f0000000180)=0x6) [ 834.836283][ T9049] block nbd5: Receive control failed (result -107) [ 834.847641][ T9049] block nbd5: Receive control failed (result -107) [ 834.888365][T25916] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$SNDCTL_DSP_CHANNELS(r1, 0xc0045006, &(0x7f0000000040)=0x20) [ 834.981546][T25916] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x23, 0x1, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, r4, 0x800, 0x70bd2a, 0x25dfdbfe, {}, [@L2TP_ATTR_OFFSET={0x6, 0x3, 0x62ed}, @L2TP_ATTR_UDP_CSUM={0x5}, @L2TP_ATTR_SEND_SEQ={0x5, 0x13, 0x6}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0xe8}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5, 0x21, 0x1}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'gre0\x00'}, @L2TP_ATTR_VLAN_ID={0x6, 0xe, 0x81}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20000840}, 0x20) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) [ 835.030809][T25754] block nbd5: shutting down sockets 12:46:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x1300}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:27 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x408a0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r3, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) finit_module(r3, &(0x7f0000000180)='/dev/nbd#\x00', 0x3) ioctl$NBD_DO_IT(r2, 0xab03) getsockopt$IP_VS_SO_GET_SERVICES(0xffffffffffffffff, 0x0, 0x482, &(0x7f0000000000)=""/151, &(0x7f00000000c0)=0x97) ioctl$NBD_DO_IT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x911000, 0x0) ioctl$SNDCTL_DSP_SETFRAGMENT(r5, 0xc004500a, &(0x7f0000000200)=0xffff22c2) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r6) r7 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_kcm_SIOCKCMCLONE(r6, 0x89e2, &(0x7f0000000100)={r7}) [ 835.234160][T25975] block nbd5: shutting down sockets 12:46:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r2, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) getsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000000), &(0x7f0000000040)=0x8) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = openat$cachefiles(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cachefiles\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000180)={0x0, @in6={{0xa, 0x4e23, 0xffffecad, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x80}}, [0x4, 0x5, 0x800, 0x200, 0x1000, 0x101, 0x80000001, 0x3, 0x13df1286, 0x9, 0xfff, 0x9, 0x81, 0x6, 0x80000000]}, &(0x7f0000000100)=0x100) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r4, 0x84, 0x77, &(0x7f0000000280)={r5, 0x7, 0x4, [0xff81, 0x7, 0xd59, 0x2]}, 0x10) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r6) ioctl$NBD_DO_IT(r3, 0xab03) 12:46:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x80) r1 = request_key(&(0x7f00000003c0)='asymmetric\x00', &(0x7f00000004c0)={'syz', 0x2}, &(0x7f0000000240)='\x00\x00\xf5\xff\xff\xff\x00\x00\x00\x00', 0x0) syz_open_dev$tty20(0xc, 0x4, 0x1) r2 = socket$l2tp6(0xa, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000c0001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="00000000008433df6d6f6b577d4eaaf2000007"], 0x48}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000540)=ANY=[@ANYBLOB="7400000024000705000000000000000000036000", @ANYRES32=r6, @ANYBLOB="00000000ffffffff00000000080001007366710048000229c6090032d0ed64f3c3545aaf6e000085a4e4ebb5ef670000000000000000000000000000001a4e624d29a84abf032657000000000000000000000000000000000000000000000000000000000000000020000089b53c947244306a0216a3de887763df5b42498b13bb1938de859ee6d7ae7dd2224dc672b69b4358c71b170ea0b667832e5224ee3538f885b7abd9bc4a7ddbab915dc5f0428f661313a650e00cb3"], 0x74}}, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000780)=ANY=[@ANYBLOB="840000002c0001bd18e972fe0700000000000000", @ANYRES32=r6, @ANYBLOB="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"], 0x84}}, 0x0) setsockopt$inet6_mreq(r2, 0x29, 0x15, &(0x7f00000000c0)={@initdev={0xfe, 0x88, [], 0x1, 0x0}, r6}, 0x14) r8 = request_key(&(0x7f00000003c0)='asymmetric\x00', &(0x7f00000004c0)={'syz', 0x2}, &(0x7f0000000240)='\x00\x00\xf5\xff\xff\xff\x00\x00\x00\x00', 0x0) keyctl$instantiate_iov(0x14, 0x0, &(0x7f0000000180)=[{&(0x7f0000000ac0)="31dd4716685defc91faf1b23c88eda517a62f85a360a5d947e75bb898f3e44e1c6fdd147162406b0cf9cfce97e6d223d52b02bc57ef9ce3a68cb44d820614f5434374e722a8244916e6d2a8a7c568d3e101d6da45a23b07f4036cccc437625f7d6396d8c1208aa01cdbfd75389c41f014df1bb910a6581e2406ed1e0733d5c411972231947f0885ede1093b24e760e782d0b96a36a106dc17fb58c39fe4e691cccf756316e58ac379f8a394953412716246c5c7a00cd8323cf42a5e5be20d2b0ebdaa554baa2c6d189a7ac03e9d80c6d6fc7cbdee992e85880abb0a5a522d3ff341c60e1861fb4", 0xffffffffffffff3d}], 0x1, r8) keyctl$instantiate_iov(0x14, 0x0, &(0x7f0000000180), 0x0, r1) keyctl$get_security(0x11, r1, &(0x7f0000000000)=""/133, 0x85) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 835.390483][T26020] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 835.433667][ T9049] block nbd4: Receive control failed (result -107) [ 835.489719][T25983] block nbd4: shutting down sockets [ 835.501649][T26020] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 835.508879][ T9049] block nbd5: Receive control failed (result -107) [ 835.517231][ T9049] block nbd5: Receive control failed (result -107) [ 835.525464][T26029] block nbd5: shutting down sockets 12:46:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x1400}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 835.573202][ T9049] block nbd4: Receive control failed (result -107) 12:46:27 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x408b0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 835.636949][T26009] block nbd4: shutting down sockets 12:46:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x40) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) recvfrom$llc(r5, &(0x7f00000000c0)=""/88, 0x58, 0x62, &(0x7f0000000180)={0x1a, 0x1b, 0x5, 0x79, 0x40, 0x7f, @broadcast}, 0x10) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="41061a7380f6b7b276a67dc9ff5b9a", 0xf) r6 = syz_open_dev$ndb(0x0, 0x0, 0x0) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/bus/input/handlers\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$IOC_PR_PREEMPT_ABORT(r6, 0x401870cc, &(0x7f0000000040)={0x3, 0x9, 0x0, 0x8}) 12:46:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0x0) ftruncate(r3, 0x200004) r4 = syz_open_dev$media(&(0x7f0000000180)='/dev/media#\x00', 0x8, 0x40440) ioctl$TCSBRKP(r4, 0x5425, 0x1) sendfile(r2, r3, 0x0, 0x80001d00c0d0) ioctl$SNDRV_PCM_IOCTL_STATUS32(r3, 0x806c4120, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r5, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000000), &(0x7f0000000040)=0xc) r6 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_DO_IT(r6, 0xab03) 12:46:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, 0x0, 0x0) ftruncate(r2, 0x3) sendfile(r1, r2, 0x0, 0x80001d00c0d0) ioctl$SNDRV_CTL_IOCTL_TLV_COMMAND(r2, 0xc008551c, &(0x7f0000000000)={0x5, 0x28, [0x0, 0x20, 0x6, 0x20, 0x8, 0xfffffffa, 0x1, 0x1, 0x80000001, 0xffff]}) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_genetlink_get_family_id$net_dm(&(0x7f00000000c0)='NET_DM\x00') r6 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x420000015001}) ioctl$TUNSETLINK(r6, 0x400454cd, 0x324) sendmsg$NET_DM_CMD_STOP(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x14, r5, 0x100, 0x70bd2d, 0x25dfdbff, {}, ["", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x90}, 0x841) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r7) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) r9 = syz_open_dev$ndb(0x0, 0x0, 0x0) sendmsg$IPCTNL_MSG_CT_GET_UNCONFIRMED(r2, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x14, 0x7, 0x1, 0x300, 0x0, 0x0, {0xa, 0x0, 0x5}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x4004011}, 0x4001) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x1ff) r10 = socket(0x2, 0x1, 0x0) ioctl$SNDRV_PCM_IOCTL_HWSYNC(r2, 0x4122, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) ioctl$SNDCTL_DSP_NONBLOCK(0xffffffffffffffff, 0x500e, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab03, 0xffffffffffffffff) 12:46:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x400c0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8001) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r5 = syz_open_dev$vcsu(&(0x7f0000000000)='/dev/vcsu#\x00', 0x1, 0x8401) accept4$bt_l2cap(r5, 0x0, &(0x7f0000000040), 0x800) 12:46:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x1800}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 835.982577][T26312] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 836.019674][T26321] block nbd1: Device being setup by another task [ 836.045566][T26321] block nbd1: Device being setup by another task 12:46:28 executing program 1: r0 = accept$nfc_llcp(0xffffffffffffffff, &(0x7f0000000240), &(0x7f0000000080)=0x60) recvfrom(r0, &(0x7f00000000c0)=""/68, 0x44, 0x40002023, &(0x7f0000000180)=@ipx={0x4, 0x1f, 0x7, "18bf2a657188", 0x3}, 0x80) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000200)='NLBL_CIPSOv4\x00') ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) 12:46:28 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x408c0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKTRACESTOP(0xffffffffffffffff, 0x1275, 0x0) r1 = socket(0x2, 0x800, 0x8) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r2, r3, 0x0, 0x80001d00c0d0) write$P9_ROPEN(r3, &(0x7f0000000000)={0x18, 0x71, 0x1, {{0x3c, 0x0, 0x8}, 0x6}}, 0x18) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(0x0, 0x0, 0x640200) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) [ 836.214895][ T9049] block nbd4: Receive control failed (result -107) [ 836.222013][T20510] block nbd4: Receive control failed (result -107) [ 836.230107][T20510] block nbd4: Receive control failed (result -107) [ 836.241635][T26315] block nbd4: shutting down sockets 12:46:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x3580}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ff) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockname$netlink(r1, &(0x7f0000000000), &(0x7f0000000040)=0xc) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r2, 0xab02, 0x0) [ 836.399023][T26540] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 836.438392][T26384] block nbd4: shutting down sockets 12:46:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 836.512522][T26318] block nbd0: shutting down sockets [ 836.526806][T26540] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 836.607554][T26633] block nbd1: Device being setup by another task [ 836.632906][T26633] block nbd1: Device being setup by another task [ 836.640380][T26489] block nbd0: Receive control failed (result -107) [ 836.648142][ T1617] block nbd0: Receive control failed (result -107) 12:46:28 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x408d0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 836.662932][T26638] block nbd0: shutting down sockets 12:46:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x3, 0x11222) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0)='nl80211\x00') sendmsg$NL80211_CMD_NEW_MPATH(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8080000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r3, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NL80211_ATTR_WIPHY={0x8, 0x1, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x20004045) r4 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x7, 0x40000) ioctl$RTC_ALM_SET(r4, 0x40247007, &(0x7f0000000040)={0x16, 0x1a, 0x17, 0xb, 0x9, 0x800, 0x2, 0xd8, 0x1}) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_DO_IT(r5, 0xab03) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) write$nbd(r7, &(0x7f0000000080)={0x67446698, 0x0, 0x2, 0x0, 0x4, "b7f6b4b62d8fbba791d5a64a1c58d2aae97b4a7dcb112274558e0cd71d6ff1e8ea225a39d30090cd013327ca1cc1c0cc0f414fab6f3073cdbe834c374c3ad911b5c2db09b64a721ecc1c1beb53291e0294ee2c606953b3b073af4ad540b53bf82b75c0ed1e2e5d05"}, 0x78) 12:46:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2400, 0x0) ioctl$PPPIOCNEWUNIT(r1, 0xc004743e, &(0x7f0000000040)=0x3) r2 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) syz_open_dev$ttys(0xc, 0x2, 0x1) r3 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r3, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup2(r5, r4) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = dup2(r8, r7) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f0000000140)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r9, 0x84, 0x7c, &(0x7f00000001c0)={r10, 0x7f, 0x400}, 0x8) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f00000000c0)={r10, 0x99}, &(0x7f0000000180)=0x8) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r2, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) fcntl$getown(r2, 0x9) creat(&(0x7f0000000080)='./file0\x00', 0x80) 12:46:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x10, 0x2, 0xff) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x200) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x4000}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 836.876227][T26765] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 836.887808][T26739] block nbd0: shutting down sockets 12:46:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r2, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000080)=0x0) fcntl$lock(r2, 0x25, &(0x7f00000000c0)={0x1, 0x2, 0x3, 0x4, r3}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) r7 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r7, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_kcm_SIOCKCMCLONE(r1, 0x89e2, &(0x7f00000014c0)={r7}) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000001540)='TIPC\x00') sendmsg$TIPC_CMD_GET_REMOTE_MNG(r8, &(0x7f0000001600)={&(0x7f0000001500)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000015c0)={&(0x7f0000001580)={0x1c, r9, 0x800, 0x70bd26, 0x25dfdbff, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x1) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r4, 0xab03, 0xffffffffffffffff) r10 = openat$md(0xffffffffffffff9c, &(0x7f0000000000)='/dev/md0\x00', 0x8800, 0x0) ioctl$BLKROSET(r10, 0x125d, &(0x7f0000000040)) [ 836.976848][T26765] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 836.983988][T26489] block nbd5: Receive control failed (result -107) [ 836.994870][T26769] block nbd5: shutting down sockets 12:46:29 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x408e0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:29 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x5865}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 837.231588][T26767] block nbd4: shutting down sockets 12:46:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = semget(0x2, 0x1, 0x400) semctl$SEM_STAT_ANY(r2, 0x0, 0x14, &(0x7f0000000000)=""/169) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) 12:46:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x210140) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) bind$phonet(r4, &(0x7f00000023c0)={0x23, 0x3f, 0x7f, 0x1}, 0x10) kexec_load(0x34f, 0x6, &(0x7f0000002300)=[{&(0x7f00000000c0)="403e4cbb527c3b5117c9f42ffd6d9e673c5da783d2dc552575ca8e65238a32317a92c1850b87b5190fa3a3120fb9cebf078bca6735f643e5cc1cc40b6170fa0f99bcb41db0ec9fd20dbcfdff3c9f0127d2215b3472e92382903a9b953d2d68e182665baab93acf30923df17e737bb5a8ed68ae9f354c3b3a05bb85e08a90dc28ccaf85d07a125cb06e09b1f297d62c975ddcd8345932a6098e45b4493695f908798de40c10172a48a621b2265489144ab02a9f5869531dc48e12145d5813bee4cd9562edca48020607eb4a414a59a679d10607cc90515d0aec9138db6d94ff4bead149abd4bce1813f5ce96f4c2cf1d54149318205fe665e", 0xf8, 0xa1, 0xda9}, {&(0x7f00000001c0)="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", 0x1000, 0xfffffffffffff800, 0x2}, {&(0x7f00000011c0)="04649d76cdd2ffd8de1bfe188b34be6adb26b001d4abe5da76060d1befbcb9e0e2c4682f968836bb9b89d1b099b0fc1b177f11d81713a0aad0d73b7358a73a3a6b4a1cef4c5b29bf14fe3754f5cf2147e58c54e3e5cd286ef83c58a30706f45db41541e8b10d0eb6aefc64f2d817dce74b831dcd14f0fa2d6ace6a71e4f21215f532e71fb8314c4492b3bab36c79a830ad68f76d4cabd2e1876d3e4f07690dca68dcff024f6e1d8a4ae5f74d31e88499ff0b83522a14a6be7f89c90bbce47f0ccba4bb7f2ae8d6b73901c11b06544908", 0xd0, 0x66, 0x2000000000000000}, {&(0x7f00000012c0)="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", 0x1000, 0x100000000, 0x9c}, {&(0x7f0000000040)="a39a7999", 0x4, 0x10000, 0x8001}, {&(0x7f00000022c0)="7983e3acadf2ed3f914972a185ddca92958ba2592c8026cb3594caaeacbde46da75822b03efc2320003ffaec91d7a74ae5b4efc87c839a0c", 0x38, 0xc9a5, 0x101}], 0x30000) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, 0x0, 0x0) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_RESERVED(r2, 0x5601, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:46:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ff) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = accept4$netrom(r1, &(0x7f0000000200)={{0x3, @rose}, [@rose, @rose, @rose, @netrom, @remote, @netrom]}, &(0x7f0000000280)=0x48, 0x800) ioctl$sock_SIOCOUTQNSD(r2, 0x894b, &(0x7f00000002c0)) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r4 = open(&(0x7f00000000c0)='./file0\x00', 0x400000, 0x23) ioctl$NBD_DO_IT(r4, 0xab03) r5 = socket(0x25, 0x3, 0x0) r6 = socket$inet6(0xa, 0x400000000001, 0x0) close(r6) r7 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r6, 0x84, 0xd, 0x0, 0x0) ftruncate(r7, 0x200004) sendfile(r6, r7, 0x0, 0x80001d00c0d0) ioctl$KDFONTOP_SET_DEF(r7, 0x4b72, &(0x7f0000000700)={0x2, 0x0, 0x14, 0xb, 0x1a8, &(0x7f0000000300)="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"}) r8 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r8, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) fstat(r8, &(0x7f0000000180)) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) r9 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r9, 0xab0a, 0x1ff) r10 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) r11 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsa\x00', 0x292000, 0x0) ioctl$NBD_DO_IT(r11, 0xab03) connect$nfc_llcp(r10, &(0x7f0000000040)={0x27, 0xfffffffe, 0x0, 0x5, 0x3f, 0x0, "530af8dd58cd73ba4b9c20844f043dbab12d4a27f173fb3d89ed0bcba2648e5105cb10874f7e60314e92d615ca4e72c1e438e304fdb946e15ac92706a1c165", 0x19}, 0x60) ioctl$NBD_DO_IT(r9, 0xab03) [ 837.410303][T26992] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 837.469338][T26901] block nbd0: shutting down sockets [ 837.534029][T26489] block nbd4: Receive control failed (result -107) [ 837.543305][T26992] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 837.544465][T27058] block nbd4: shutting down sockets [ 837.583895][T27099] block nbd1: Device being setup by another task [ 837.608960][T26901] block nbd0: shutting down sockets 12:46:29 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x6000}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup2(r6, r5) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = dup2(r9, r8) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f0000000140)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r10, 0x84, 0x7c, &(0x7f00000001c0)={r11, 0x7f, 0x400}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000000)={r11}, 0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 837.646202][T26489] block nbd4: Receive control failed (result -107) [ 837.654939][T27058] block nbd4: shutting down sockets 12:46:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r4) getsockname$tipc(r1, &(0x7f0000000040)=@name, &(0x7f0000000080)=0x10) lchown(&(0x7f0000000000)='./file0\x00', r4, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:29 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x408f0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 838.001242][T26489] block nbd0: Receive control failed (result -107) [ 838.008390][ T1617] block nbd0: Receive control failed (result -107) [ 838.024034][T27107] block nbd0: shutting down sockets [ 838.052966][T26489] block nbd4: Receive control failed (result -107) [ 838.068799][T27293] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x8cb83) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 838.100954][T27248] block nbd4: shutting down sockets [ 838.117551][T27104] block nbd5: shutting down sockets 12:46:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x3ab8c0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x6558}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 838.224174][T27293] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 838.377135][T26489] block nbd5: Receive control failed (result -107) [ 838.387845][T26489] block nbd5: Receive control failed (result -107) [ 838.397705][T27326] block nbd5: shutting down sockets [ 838.402432][ T27] audit: type=1800 audit(1580647590.389:173): pid=27102 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="sda1" ino=16692 res=0 12:46:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x200000) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) r1 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/capi/capi20ncci\x00', 0x80000, 0x0) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000240)='/dev/null\x00', 0x202000, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000200)={0x57, 0x0, 0x2, {0xb}}, 0x18) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$EXT4_IOC_GROUP_EXTEND(0xffffffffffffffff, 0x40086607, &(0x7f0000000400)=0xc) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$sock_SIOCADDRT(r1, 0x890b, &(0x7f0000000480)={0x0, @generic={0x9, "bea2d731425b1656959994a5ea17"}, @isdn={0x22, 0x4, 0x1, 0x5f, 0xd1}, @isdn={0x22, 0xff, 0x0, 0x6a, 0xbe}, 0x7fff, 0x0, 0x0, 0x0, 0x7, &(0x7f0000000500)='veth1_to_batadv\x00', 0x80, 0x9, 0xff00}) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = syz_genetlink_get_family_id$l2tp(&(0x7f00000002c0)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_GET(r3, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f00000006c0)={0x78, r6, 0x4, 0x70bd25, 0x25dfdbff, {}, [@L2TP_ATTR_L2SPEC_TYPE={0x5}, @L2TP_ATTR_PW_TYPE={0x6}, @L2TP_ATTR_PROTO_VERSION={0x5, 0x7, 0x2}, @L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x4}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @remote}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x8}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'ip6_vti0\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x40891}, 0x4044001) ioctl$BLKRESETZONE(r2, 0x40101283, &(0x7f0000000040)={0x24, 0x7}) r7 = socket(0xb, 0x5, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r7) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x1ff) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) sendmsg$IPCTNL_MSG_TIMEOUT_DELETE(r9, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x1c, 0x2, 0x8, 0x801, 0x0, 0x0, {0xa, 0x0, 0x9}, [@CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc1}, 0x4040000) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000080)=0x0) ioctl$BLKTRACESETUP(r5, 0xc0481273, &(0x7f00000000c0)={[], 0x5, 0x7ff, 0x145, 0x82e, 0x7, r10}) ioctl$NBD_DO_IT(r4, 0xab03) r11 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r11, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r12 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r12, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) bind$l2tp6(r12, &(0x7f0000000440)={0xa, 0x0, 0x5b, @remote, 0xd9f}, 0x20) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r11, 0x8933, &(0x7f0000000180)={'batadv0\x00'}) 12:46:30 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40900300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x9313) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000240)='l2tp\x00') sendmsg$L2TP_CMD_NOOP(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="ff000000", @ANYRES16=r6, @ANYBLOB="0100"/14], 0x14}}, 0x0) sendmsg$L2TP_CMD_SESSION_GET(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r6, 0x10, 0x70bd26, 0x25dfdbff, {}, [@L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e23}, @L2TP_ATTR_PROTO_VERSION={0x5, 0x7, 0x3}, @L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5, 0x21, 0x1}, @L2TP_ATTR_RECV_SEQ={0x5}, @L2TP_ATTR_UDP_CSUM={0x5, 0xd, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x82}, 0x50) 12:46:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvram\x00', 0x80, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) pipe(&(0x7f0000000080)) epoll_create(0x5) creat(&(0x7f00000000c0)='./file0\x00', 0x102) openat$full(0xffffffffffffff9c, &(0x7f0000000100)='/dev/full\x00', 0x6c40, 0x0) ioctl$sock_inet_sctp_SIOCINQ(r1, 0x541b, &(0x7f0000000040)) [ 838.612398][T26489] block nbd0: Receive control failed (result -107) [ 838.643669][T27331] block nbd0: shutting down sockets [ 838.673236][T27543] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 838.703310][T27548] block nbd1: Device being setup by another task [ 838.713845][T27548] block nbd1: Device being setup by another task 12:46:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x8035}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 838.731432][T27550] block nbd1: Device being setup by another task [ 838.742426][T27550] block nbd1: Device being setup by another task 12:46:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$xdp(0x2c, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000900)={'batadv_slave_0\x00', 0x0}) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) bind$xdp(r1, &(0x7f0000000940)={0x2c, 0x8, r2, 0x1f, r4}, 0x10) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 838.777216][T27549] block nbd0: Could not allocate knbd recv work queue. [ 838.777828][T27543] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 838.875444][T27549] block nbd0: shutting down sockets 12:46:30 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40910300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 838.911577][T27558] block nbd1: Device being setup by another task 12:46:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x501400) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x88102) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_DO_IT(r5, 0xab03) [ 838.978915][T27589] block nbd1: Device being setup by another task [ 838.990439][T27541] block nbd4: shutting down sockets 12:46:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r6 = socket$inet6(0xa, 0x400000000001, 0x0) close(r6) r7 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r6, 0x84, 0xd, 0x0, 0x0) ftruncate(r7, 0x200004) sendfile(r6, r7, 0x0, 0x80001d00c0d0) ioctl$IMADDTIMER(r7, 0x80044940, &(0x7f0000000000)=0x32) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r8) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 839.035415][T26489] block nbd5: Receive control failed (result -107) [ 839.045222][T26489] block nbd5: Receive control failed (result -107) [ 839.171639][T27622] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x420000015001}) ioctl$TUNATTACHFILTER(r1, 0x401054d5, &(0x7f0000000040)={0x6, &(0x7f0000000000)=[{0x4, 0x0, 0x1, 0x42}, {0x3, 0x7, 0x1, 0x6}, {0x1f, 0x6, 0x2, 0x7}, {0x5, 0x20, 0x1, 0x4}, {0x1, 0x9, 0x2, 0xff}, {0x8, 0x81, 0x1, 0x3}]}) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) r4 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r4, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_inet_SIOCGIFNETMASK(r4, 0x891b, &(0x7f0000000180)={'veth1_macvtap\x00', {0x2, 0x4e20, @local}}) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r2, r3, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_G_AUDIO(r3, 0x80345621, &(0x7f0000000100)) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 839.225864][T27622] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:31 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40920300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:31 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x8100}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 839.300635][T27559] block nbd5: shutting down sockets [ 839.334527][T26489] block nbd0: Receive control failed (result -107) [ 839.349877][ T1617] block nbd0: Receive control failed (result -107) [ 839.350416][T20510] block nbd4: Receive control failed (result -107) [ 839.356941][ T1617] block nbd4: Receive control failed (result -107) [ 839.394655][T27781] block nbd4: Device being setup by another task 12:46:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$KVM_SET_TSC_KHZ(0xffffffffffffffff, 0xaea2, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 839.499759][T27788] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 839.506924][T27663] block nbd4: shutting down sockets [ 839.558888][T27788] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:31 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40930300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 839.774502][T27667] block nbd0: shutting down sockets [ 839.782972][T20510] block nbd5: Receive control failed (result -107) [ 839.791509][T20510] block nbd5: Receive control failed (result -107) [ 839.809945][T20510] block nbd4: Receive control failed (result -107) [ 839.812382][T27904] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 839.818787][T27795] block nbd5: shutting down sockets [ 839.852352][T27781] block nbd4: shutting down sockets 12:46:31 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xf000}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 839.928948][T27904] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x80000, 0x7) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r2, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x420000015001}) ioctl$TUNSETGROUP(r3, 0x400454ce, 0x0) ioctl$TUNSETLINK(r3, 0x400454cd, 0x30e) write$binfmt_script(r2, &(0x7f0000000000)={'#! ', './file0', [{0x20, '/dev/nbd#\x00'}, {0x20, '/dev/nbd#\x00'}, {}, {0x20, 'securityppp1ppp1cpuset'}], 0xa, "0aee22447e912543859cd2078042ec174856a8645958edf588614501319218d39848962891a94ca34418d6d9b6ee03ccccae26b94ef0927121"}, 0x72) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) [ 840.039692][ T27] audit: type=1800 audit(1580647592.019:174): pid=27761 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.0" name="bus" dev="sda1" ino=16673 res=0 12:46:32 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40940300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x20480) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) fcntl$setpipe(r2, 0x407, 0x3) 12:46:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x1, 0x200000) [ 840.275065][T28118] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:32 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xffff}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 840.319084][T20510] block nbd0: Receive control failed (result -107) [ 840.326919][ T9049] block nbd0: Receive control failed (result -107) [ 840.333051][T28118] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 840.340994][T28122] block nbd0: shutting down sockets [ 840.400866][T20510] block nbd0: Receive control failed (result -107) [ 840.443768][T28122] block nbd0: shutting down sockets 12:46:32 executing program 1: r0 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x3, 0x311600) ioctl$GIO_UNIMAP(r0, 0x4b66, &(0x7f0000000080)={0x5, &(0x7f0000000040)=[{}, {}, {}, {}, {}]}) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x2) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) 12:46:32 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40950300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 840.501370][ T9049] block nbd5: Receive control failed (result -107) [ 840.501376][T20510] block nbd5: Receive control failed (result -107) 12:46:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x800, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) r8 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20\x00', 0x400000, 0x0) r9 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000440)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r9, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r9, &(0x7f00000002c0)={0x14, 0x88, 0xfa00, {r10, 0x30, 0x0, @ib}}, 0x90) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r8, &(0x7f0000000180)={0x10, 0x30, 0xfa00, {&(0x7f0000000100), 0x0, {0xa, 0x4e24, 0x3, @rand_addr="9e997354428eeeca3a527485b4bf755f", 0x835}, r10}}, 0x38) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x5ff) r11 = socket(0x26, 0x1, 0x1f) ioctl$NBD_SET_SOCK(r3, 0xab00, r11) r12 = socket$inet6(0x10, 0x3, 0x0) r13 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r13, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) sendto$inet6(r13, &(0x7f0000000040)="1b00000022001f15b9d8b059ca090000004200007adbbc14ae01970dc8630000", 0x17, 0x50, 0x0, 0x0) ioctl$sock_SIOCGIFVLAN_GET_VLAN_VID_CMD(r12, 0x8982, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 840.703043][T28225] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 840.766359][T28225] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 840.789414][T28136] block nbd5: shutting down sockets [ 840.806550][ T9049] block nbd0: Receive control failed (result -107) 12:46:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000300)='/sys/kernel/debug/binder/failed_transaction_log\x00', 0x0, 0x0) ioctl$SG_GET_REQUEST_TABLE(r2, 0x2286, &(0x7f0000000180)) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) ioctl$EXT4_IOC_GROUP_EXTEND(0xffffffffffffffff, 0x40086607, &(0x7f0000000000)=0xd741) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x420000015001}) ioctl$TUNGETFEATURES(r4, 0x800454cf, &(0x7f0000000040)) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) ioctl$NBD_DO_IT(r3, 0xab03) 12:46:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040)='nl80211\x00') sendmsg$NL80211_CMD_REQ_SET_REG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, r1, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NL80211_ATTR_SOCKET_OWNER={0x4}, @NL80211_ATTR_DFS_REGION={0x5, 0x92, 0x52}, @NL80211_ATTR_REG_RULES={0x34, 0x22, 0x0, 0x1, [@NL80211_ATTR_FREQ_RANGE_START={0x8, 0x2, 0xfffffffd}, @NL80211_ATTR_FREQ_RANGE_END={0x8, 0x3, 0x4}, @NL80211_ATTR_REG_RULE_FLAGS={0x8, 0x1, 0x7}, @NL80211_ATTR_DFS_CAC_TIME={0x8, 0x7, 0x88b}, @NL80211_ATTR_FREQ_RANGE_START={0x8, 0x2, 0x1ff}, @NL80211_ATTR_REG_RULE_FLAGS={0x8, 0x1, 0x145b4b7c}]}, @NL80211_ATTR_DFS_REGION={0x5, 0x92, 0xc0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40440d4}, 0x30008080) 12:46:32 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 840.886500][T28296] block nbd0: Device being setup by another task 12:46:33 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40960300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 841.082429][T28271] block nbd0: shutting down sockets [ 841.180325][T28473] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 841.189492][ T9049] block nbd5: Receive control failed (result -107) [ 841.212847][ T9049] block nbd5: Receive control failed (result -107) [ 841.224440][T28364] block nbd5: shutting down sockets [ 841.274050][T28473] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 841.282315][ T9049] block nbd0: Receive control failed (result -107) 12:46:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/enforce\x00', 0x200080, 0x0) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000440)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r2, &(0x7f00000002c0)={0x14, 0x88, 0xfa00, {r3, 0x30, 0x0, @ib}}, 0x90) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(r1, &(0x7f0000000240)={0x4, 0x8, 0xfa00, {r3, 0xb971}}, 0x10) r4 = socket(0x1d, 0x4, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r5, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_TIOCOUTQ(r5, 0x5411, &(0x7f0000000000)) openat$selinux_relabel(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/relabel\x00', 0x2, 0x0) r6 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$DRM_IOCTL_MODE_GETCRTC(0xffffffffffffffff, 0xc06864a1, &(0x7f00000000c0)={&(0x7f0000000040)=[0x7, 0x7, 0x10000], 0x3, 0x4f, 0x1, 0x2, 0xffffffff, 0x8, 0x0, {0xb162, 0x5, 0x3, 0x9, 0x3, 0x7, 0x3, 0xffcc, 0x7ff, 0x0, 0xfff, 0xfffb, 0x1, 0x401, "c672718c7afc2be0fa45b4b422120e424543417aff8e79b8f7a7bb0df90045a8"}}) close(0xffffffffffffffff) r7 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, 0x0) ioctl$NBD_CLEAR_QUE(0xffffffffffffffff, 0xab05) ftruncate(r7, 0x200004) sendfile(0xffffffffffffffff, r7, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_UNSUBSCRIBE_EVENT(r7, 0x4020565b, &(0x7f0000000180)={0x8001004, 0x2d2, 0x1}) 12:46:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0xb0f00) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:46:33 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x2}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 841.318334][T28271] block nbd0: shutting down sockets 12:46:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet(0x2, 0x80000, 0x3) setsockopt$EBT_SO_SET_COUNTERS(r1, 0x0, 0x81, &(0x7f0000000080)={'filter\x00', 0x0, 0x0, 0x0, [], 0x4, &(0x7f0000000000)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x0, [{}, {}, {}, {}]}, 0xb8) syz_mount_image$ceph(&(0x7f0000000180)='ceph\x00', &(0x7f00000001c0)='./file0\x00', 0x72, 0x6, &(0x7f00000015c0)=[{&(0x7f0000000200)="35c7ac500f086ecdcc380ba4c4ecbfd426b8325ab7da5bd11fcb273fe5d153d5d81278ee2b7155c283d1efe102ecc878e2", 0x31, 0x2}, {&(0x7f0000000240)="95d39536b9c471fc9988fcc1f5c3b8db2a599d945d943dc3f71c0fd54823da3852b566ea8122595c07b4db3c86f8515d6e45ecaa0880503f7c1320f2ab8766d7e0f634ee084e6f033c84c3f26b8fa2fa3faf115d6d90235b88eec3191de52237432b622359a4c40816e4820ceaa880508c5d707906f4a3671fde8b0444a27ca67af5d1e3507031feac896b8ecf228da4c70cef", 0x93, 0x9}, {&(0x7f0000000300)="d7fc037c6820b680167c0dc658a3c6a4c3aaa67b808988b58a7e09266ddf80955d054b7beebcd8beff6eb158b1a08014e18ecf708c06bf81c97157ae2da988b194406edbd3f6eef0ebfee61471fefe9a231e2afee78068d6142a5f7710fb4d3b560b2137605421c5cea25d3312753c03b607dc3f26664ebbd10a07d9572047e0084f3f961f815df26f050060b48845f08b8527bfc895b6d911239f2b4bbec6a7ad2a744db2fd4a26124f2d8926f087769f8029cbabc7d140a4e624157f908e372b5be58faa34c091321991595aba64fcc3d48acd8fb9", 0xd6, 0x7}, {&(0x7f0000000400)="15bbf76f442047f0b94392263f1de9267da99d28c5c350a45eae858bd517570d4ef417813c206cd1a09b940803eed7375ce5a82293a2762594b34938e3e8e75227843b2a967cec54e919b0d7e940d95da73fb5a7c16b658b410c31644b1f09ad5764252b01449c5a544d7f5dc882d61882d129796e0cf93f1670db52b328382b4d3ab7e39ca0", 0x86, 0x1f}, {&(0x7f00000004c0)="916efb888d4629dde6ff93419d1c5feae2a52222ff8011e648a8c722ccf8d2070b8ce8f4311857ae63ebba689733f2bf35da41784a425f8391e860dd19f6f4f30123d13e96d99cc91036ce3a07153cf60109f6f536e69c1f5e419a66765daa961118188bf8211e9d6bd58d5d268fadcf1c51d774d20bf86505e26e12803677da898eca9634f53d72a55efe303d2fbf6d29a391c98fd34c29288555e2749423875a4ad3b809edcbc3671050adf175931233c04aa8c13f78c5ad69c0156d9287adef690b0648153ffc3ce046892adddee4417c86caba", 0xd5, 0x800}, {&(0x7f00000005c0)="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", 0x1000, 0xb2}], 0x40010, &(0x7f0000001680)='posix_acl_accessem0-\x00') ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:46:33 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40970300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 841.569525][T28490] can: request_module (can-proto-0) failed. 12:46:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = open(&(0x7f00000000c0)='./file0\x00', 0x10043, 0x6396c59696646a24) r5 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r5, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r7, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r9, @ANYBLOB="0000000000000000280012000c0001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="00000000008433df6d6f6b577d4eaaf2000007"], 0x48}}, 0x0) sendmsg$nl_route_sched(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000540)=ANY=[@ANYBLOB="7400000024000705000000000000000000036000", @ANYRES32=r9, @ANYBLOB="00000000ffffffff00000000080001007366710048000229c6090032d0ed64f3c3545aaf6e000085a4e4ebb5ef670000000000000000000000000000001a4e624d29a84abf032657000000000000000000000000000000000000000000000000000000000000000020000089b53c947244306a0216a3de887763df5b42498b13bb1938de859ee6d7ae7dd2224dc672b69b4358c71b170ea0b667832e5224ee3538f885b7abd9bc4a7ddbab915dc5f0428f661313a650e00cb3"], 0x74}}, 0x0) r10 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r10, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r10, 0x29, 0xd2, &(0x7f00000002c0)={{0xa, 0x4e24, 0x10000, @rand_addr="55e10f43d442d8979efa4d4ce60abcad", 0xdd2}, {0xa, 0x4e23, 0x1, @remote, 0x6}, 0x1, [0xffffffc9, 0x3, 0x100, 0x1, 0x4, 0x4, 0x5d2, 0x1]}, 0x5c) r11 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r11, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000640)=ANY=[@ANYPTR64, @ANYRES64, @ANYBLOB="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"], 0x3}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(r5, 0x8933, &(0x7f0000000180)={'wireguard0\x00', r9}) sendmsg$nl_route(r4, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=@bridge_delneigh={0x7c, 0x1d, 0x400, 0x70bd2b, 0x25dfdbfc, {0xa, 0x0, 0x0, 0x0, 0x80, 0x2, 0x1}, [@NDA_DST_IPV6={0x14, 0x1, @loopback}, @NDA_DST_IPV6={0x14, 0x1, @empty}, @NDA_IFINDEX={0x8, 0x8, r12}, @NDA_LINK_NETNSID={0x8, 0xa, 0x81}, @NDA_DST_IPV6={0x14, 0x1, @initdev={0xfe, 0x88, [], 0x1, 0x0}}, @NDA_LLADDR={0xa, 0x2, @dev={[], 0x3c}}, @NDA_PROBES={0x8, 0x4, 0x1000}]}, 0x7c}}, 0x940) r13 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r13) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') sendmsg$IPVS_CMD_FLUSH(r3, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x168, r4, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xeb}, @IPVS_CMD_ATTR_DAEMON={0x60, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @empty}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @loopback}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ipvlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @local}]}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x81}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e23}]}, @IPVS_CMD_ATTR_SERVICE={0x50, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x3}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x5c}, @IPVS_SVC_ATTR_SCHED_NAME={0xa, 0x6, 'lblcr\x00'}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x6c}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'ovf\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e20}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8}, @IPVS_CMD_ATTR_DAEMON={0x78, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x2f}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e23}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev={0xfe, 0x80, [], 0x3b}}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @empty}, @IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast1}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev={0xfe, 0x80, [], 0x17}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'xfrm0\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast1}]}]}, 0x168}, 0x1, 0x0, 0x0, 0x1}, 0x8d0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) r7 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r8) ioprio_get$uid(0x0, r8) chroot(&(0x7f0000000100)='./file0\x00') [ 841.766574][T28710] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:33 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x3}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 841.841471][T28597] can: request_module (can-proto-0) failed. [ 841.874444][T28710] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x10000) [ 841.951164][ T27] audit: type=1800 audit(1580647593.929:175): pid=28530 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=16526 res=0 12:46:34 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40980300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 842.099477][ T2629] print_req_error: 414 callbacks suppressed [ 842.099494][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 842.117289][ T2629] buffer_io_error: 418 callbacks suppressed [ 842.117299][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 842.119350][ T9049] block nbd0: Receive control failed (result -107) [ 842.123968][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 12:46:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) setsockopt$inet_mreqsrc(r3, 0x0, 0x27, &(0x7f0000000000)={@loopback, @multicast2, @remote}, 0xc) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) [ 842.149897][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 842.157788][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 2 prio class 0 [ 842.169075][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read [ 842.173911][ T9049] block nbd0: Receive control failed (result -107) [ 842.176912][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 842.191537][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 842.202510][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 842.210866][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 842.221963][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 842.231982][ T2628] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 842.243289][ T2628] Buffer I/O error on dev nbd1, logical block 2, async page read [ 842.251440][ T2628] blk_update_request: I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 842.262434][ T2628] Buffer I/O error on dev nbd1, logical block 3, async page read [ 842.270572][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 842.281823][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 842.289663][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 842.298880][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 842.310230][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 842.322770][T28728] ldm_validate_partition_table(): Disk read failed. [ 842.336245][T28934] block nbd4: Device being setup by another task [ 842.353842][T28678] block nbd0: shutting down sockets [ 842.376106][T28728] Dev nbd1: unable to read RDB block 0 [ 842.388204][T28890] block nbd4: shutting down sockets [ 842.414912][T28728] nbd1: unable to read partition table 12:46:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x40) openat$selinux_create(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/create\x00', 0x2, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) pwritev(r3, &(0x7f0000000380)=[{&(0x7f0000000040)="3d7c7f9a1239f23119c8772197d445903b428e30d34e33d91d72bb5ae20a8c57efbfac2729ec02df02de78a1d7c8642a9608c5cfa47edbaa6350d7eba64dcade0268749226a711e6e7e3134c6ea6366b4d486b4751548839", 0x58}, {&(0x7f00000000c0)="1249e02d950842abb596796ab3e755b8ccef89daeb03415e1006a1a042fa2773f545cac403b871035dba7890dc0c44da94ae135e4de0cd9abc5db9d130aa8127486b13fd791a93f168842c", 0x4b}, {&(0x7f0000000180)="358651b38e58976f308aebeb49dec6e7d056770cece527e235c71b71bf0daeabc9f6f2e59ca367146f4b5473b36ec9bf741949565a01110a7c0a42934f4c2f4e2b8fdee5e9c748c80c851ec99aa7787cc76a0c56a3bd01d6d17a5d6a4903", 0x5e}, {&(0x7f0000000200)="92583b60df42e56b8b89b87aa7569d60d8545097940db0c7348ab7ec1a2c82e6ef9fd9bc9e869092b3eb5307486f27d4a2aced1b6540a498b50ebc9f2a666aaeb1c982ce77a5850b42aaad511c20", 0x4e}, {&(0x7f0000000280)="ab69dda7c6e33ba9732f72d7b465ddb5222bfd19380d7f93546fc578d2236c008133da3931c15c6e7c747b41dbde", 0x2e}, {&(0x7f00000002c0)="9b522e689198ae05c5be6983b547ac8a5d55e71673de4b1bb4be2d9f583550e38bd80b6a5fd5c1cb8e73c94d4274c7bee76d78eb6063c6358698bf6a3ee7669ec3630cb21e0d85bcea7715b5f29bf9bc9cb8e3c0ff61723c8c5614c3a4355b2b8ec8e1b4945b5477cb71559b5c35c4aea1368933d493b2e4171f63b4d1b987fa1676e2a8b84f6b9ba74b0814", 0x8c}], 0x6, 0x9) ioctl$NBD_DO_IT(r2, 0xab03) [ 842.457982][T28890] block nbd4: shutting down sockets [ 842.582452][T28941] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 842.621013][ T9049] block nbd5: Receive control failed (result -107) 12:46:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x80001) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(r1, 0xc008551b, &(0x7f00000000c0)={0x4f78, 0x4, [0x0]}) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(0xffffffffffffffff, 0x84, 0x12, &(0x7f0000000040), &(0x7f0000000080)=0x4) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ubi_ctrl\x00', 0x2000, 0x0) perf_event_open(&(0x7f0000000100)={0x3, 0x70, 0x9, 0x2, 0x4, 0x6b, 0x0, 0x2eb3, 0x9000, 0x4, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x7, 0x0, @perf_config_ext={0x5, 0x8}, 0x4000, 0x1, 0x81, 0x1, 0x4, 0x3ff, 0x1ff}, 0xffffffffffffffff, 0xffffffffffffffff, r2, 0x0) 12:46:34 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x4}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 842.621025][T20510] block nbd5: Receive control failed (result -107) [ 842.643066][T28945] block nbd5: shutting down sockets 12:46:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) pidfd_open(r4, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r5 = socket(0x26, 0x3, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:34 executing program 4: r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, 0x0, 0x0) ftruncate(r1, 0x200004) sendfile(r0, r1, 0x0, 0x80001d00c0d0) ioctl$LOOP_SET_DIRECT_IO(r1, 0x4c08, 0x2) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) r5 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) r6 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000440)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r6, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r6, &(0x7f00000002c0)={0x14, 0x88, 0xfa00, {r7, 0x30, 0x0, @ib}}, 0x90) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(r5, &(0x7f0000000040)={0x4, 0x8, 0xfa00, {r7, 0x800}}, 0x10) geteuid() [ 842.791836][T28941] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 842.831171][T28949] ldm_validate_partition_table(): Disk read failed. [ 842.895104][T28949] Dev nbd1: unable to read RDB block 0 [ 842.908127][T28949] nbd1: unable to read partition table [ 842.919608][ T9049] block nbd0: Receive control failed (result -107) [ 842.955584][T28998] block nbd0: shutting down sockets 12:46:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x20000) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x400000, 0x0) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000080)={r6, &(0x7f0000000040), &(0x7f0000000180)=""/241}, 0x20) [ 843.068273][T28949] ldm_validate_partition_table(): Disk read failed. [ 843.093574][ T9049] block nbd0: Receive control failed (result -107) 12:46:35 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40990300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 843.102161][T28998] block nbd0: shutting down sockets [ 843.154238][T28949] Dev nbd1: unable to read RDB block 0 12:46:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uhid\x00', 0x802, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 843.157889][T28949] nbd1: unable to read partition table [ 843.219284][ T9049] block nbd4: Receive control failed (result -107) 12:46:35 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x5}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 843.222506][ T9049] block nbd5: Receive control failed (result -107) 12:46:35 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x409a0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 843.272243][T29173] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 843.352069][T29173] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 843.562824][T29065] block nbd5: shutting down sockets [ 843.621010][ T9049] block nbd0: Receive control failed (result -107) [ 843.621060][T20510] block nbd0: Receive control failed (result -107) [ 843.646186][T29284] block nbd0: shutting down sockets 12:46:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) ioctl$NBD_SET_TIMEOUT(r0, 0xab09, 0x8) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) socket$l2tp(0x2, 0x2, 0x73) ioctl$NBD_DO_IT(r2, 0xab03) [ 843.685149][T29009] block nbd4: shutting down sockets [ 843.783195][T29284] block nbd0: shutting down sockets [ 843.819966][T29342] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 843.852965][T20510] block nbd4: Receive control failed (result -107) [ 843.922493][T29009] block nbd4: shutting down sockets 12:46:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r5, 0xab03) r7 = socket$caif_seqpacket(0x25, 0x5, 0x3) setsockopt(r7, 0x0, 0xdbf8, &(0x7f0000000000)="b6f7396e6cf82b8fdb2751951b0b26d8c42dae8245afe1b84cbf1cf541fa4ac93f8a82448d9f939275a9e514d25364c03b439ca7bc8db072e99a52", 0x3b) ioctl$NBD_SET_SOCK(r5, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:36 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x409b0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 843.966520][ T27] audit: type=1800 audit(1580647595.949:176): pid=29075 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=17105 res=0 [ 844.000488][ T9049] block nbd5: Receive control failed (result -107) [ 844.000495][T20510] block nbd5: Receive control failed (result -107) 12:46:36 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x6}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 844.065030][T29348] block nbd5: shutting down sockets 12:46:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000000c0)='pids.events\x00', 0x0, 0x0) r4 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000180)='NLBL_CIPSOv4\x00') sendmsg$NLBL_CIPSOV4_C_LIST(r3, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x130, r4, 0x400, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x8c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb94f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3b170cfd}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9889}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x581d674a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1013409b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4ecd6b04}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29a2c1a8}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x8549faa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa9d0}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2b51}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2829260b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfcc2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5f747d05}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x770528ed}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x721c02d8}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x20, 0x8, 0x0, 0x1, [{0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7868fac2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3673d158}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x71be6d4e}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x54, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x5}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x5}]}]}, 0x130}, 0x1, 0x0, 0x0, 0x4040}, 0x8040) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) [ 844.183467][T20510] block nbd0: Receive control failed (result -107) [ 844.183474][ T9049] block nbd0: Receive control failed (result -107) [ 844.212465][T29407] block nbd0: shutting down sockets [ 844.235001][T29411] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 844.332044][T29411] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:36 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x409c0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 844.441611][T20510] block nbd0: Receive control failed (result -107) [ 844.454075][T29409] block nbd0: shutting down sockets [ 844.534600][T20510] block nbd4: Receive control failed (result -107) [ 844.546502][T29471] block nbd4: shutting down sockets 12:46:36 executing program 0: syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1ff) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab03, 0xffffffffffffffff) setsockopt$inet6_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000000)={@in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x36}}}, 0x0, 0x0, 0x35, 0x0, "337a82a49539a5848cb16a7cd754ca5fef528286458e14112634a1fc905122080c46ada5baef3ad0c191b147d3605367cd492b74faa0f40960c5e600e68b619fbbbbb5b484c3468d224560760d177551"}, 0xd8) [ 844.617824][T20510] block nbd4: Receive control failed (result -107) [ 844.627804][T29471] block nbd4: shutting down sockets 12:46:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) r4 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r4, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) fsetxattr$trusted_overlay_nlink(r4, &(0x7f0000000000)='trusted.overlay.nlink\x00', &(0x7f0000000040)={'U-', 0x399}, 0x16, 0x2) 12:46:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x24000) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_TOL(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r5, 0x8, 0x70bd29, 0x25dfdbff, {{}, {}, {0x4c, 0x18, {0x5, @media='eth\x00'}}}, [""]}, 0x68}, 0x1, 0x0, 0x0, 0x20000000}, 0x1) ioctl$NBD_DO_IT(r2, 0xab03) [ 844.830005][T29616] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 844.888157][T29627] block nbd0: shutting down sockets 12:46:36 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x8}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 844.930386][T20510] block nbd4: Receive control failed (result -107) [ 844.962926][ T9049] block nbd5: Receive control failed (result -107) [ 844.962934][T20510] block nbd5: Receive control failed (result -107) [ 844.999938][T29616] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xf, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:37 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x409d0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 845.233993][T29642] block nbd4: shutting down sockets 12:46:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) signalfd(r0, &(0x7f0000000040)={[0x1ff]}, 0xfffffffffffffdfe) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x9}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 845.357702][ T9049] block nbd0: Receive control failed (result -107) [ 845.367717][T29855] block nbd0: shutting down sockets [ 845.377513][T29636] block nbd5: shutting down sockets [ 845.528400][ T9049] block nbd4: Receive control failed (result -107) [ 845.542502][T29858] block nbd4: shutting down sockets [ 845.560490][T29870] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 845.563454][T29858] block nbd4: shutting down sockets 12:46:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r5, 0x114, 0xa, &(0x7f0000000040), 0x1) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) accept4$rose(r4, &(0x7f0000000000)=@short={0xb, @dev, @rose, 0x1, @rose}, &(0x7f0000000040)=0x1c, 0x800) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) r6 = request_key(&(0x7f00000003c0)='asymmetric\x00', &(0x7f00000004c0)={'syz', 0x2}, &(0x7f0000000240)='\x00\x00\xf5\xff\xff\xff\x00\x00\x00\x00', 0x0) keyctl$instantiate_iov(0x14, 0x0, &(0x7f0000000180)=[{&(0x7f0000000ac0)="31dd4716685defc91faf1b23c88eda517a62f85a360a5d947e75bb898f3e44e1c6fdd147162406b0cf9cfce97e6d223d52b02bc57ef9ce3a68cb44d820614f5434374e722a8244916e6d2a8a7c568d3e101d6da45a23b07f4036cccc437625f7d6396d8c1208aa01cdbfd75389c41f014df1bb910a6581e2406ed1e0733d5c411972231947f0885ede1093b24e760e782d0b96a36a106dc17fb58c39fe4e691cccf756316e58ac379f8a394953412716246c5c7a00cd8323cf42a5e5be20d2b0ebdaa554baa2c6d189a7ac03e9d80c6d6fc7cbdee992e85880abb0a5a522d3ff341c60e1861fb4", 0xffffffffffffff3d}], 0x1, r6) keyctl$invalidate(0x15, r6) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r2, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$void(r2, 0x5451) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = socket$inet6(0xa, 0x400000000001, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) r6 = openat$cgroup_ro(r5, &(0x7f00000000c0)='cgroup.stat\x00', 0x0, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r11 = dup2(r10, r9) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r14 = dup2(r13, r12) ioctl$PERF_EVENT_IOC_ENABLE(r14, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r11, 0x84, 0x1d, &(0x7f0000000140)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r14, 0x84, 0x7c, &(0x7f00000001c0)={r15, 0x7f, 0x400}, 0x8) ioctl$KDGETLED(r6, 0x4b31, &(0x7f0000000280)) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r8, 0x84, 0x71, &(0x7f0000000180)={r15, 0x81}, &(0x7f00000001c0)=0x8) getsockopt$inet_sctp6_SCTP_RTOINFO(r6, 0x84, 0x0, &(0x7f0000000200)={r16, 0x7b, 0x9, 0x7}, &(0x7f0000000240)=0x10) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) [ 845.670506][T29870] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:37 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x409e0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0xa}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 845.882946][ T9049] block nbd5: Receive control failed (result -107) [ 845.891437][ T9049] block nbd5: Receive control failed (result -107) [ 845.903280][ T9049] block nbd5: Receive control failed (result -107) [ 845.923264][T29918] block nbd5: shutting down sockets [ 845.938801][ T9049] block nbd0: Receive control failed (result -107) [ 845.951996][ T9049] block nbd0: Receive control failed (result -107) [ 845.969072][T29916] block nbd0: shutting down sockets [ 846.028121][T29987] block nbd4: Device being setup by another task 12:46:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000300)='/dev/nbd#\x00', 0x0, 0x288100) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x1, 0x0) r3 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r3, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r4 = socket(0x29, 0x6, 0x2) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200)='nl80211\x00') sendmsg$NL80211_CMD_SET_BEACON(r4, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="280027bd7000fcdbdf250e0000000500d500020000000500d5000100000008004a000bac0f0008004c0005ac0f00"], 0x34}, 0x1, 0x0, 0x0, 0x18800}, 0x10) ioctl$VIDIOC_DQBUF(r2, 0xc0585611, &(0x7f0000000040)={0x6, 0x5, 0x4, 0x10000, 0x4, {}, {0x2, 0x1, 0x8, 0xb1, 0x1f, 0x37, "54d0191f"}, 0xfffff9a7, 0x3, @userptr=0xaf9, 0x6, 0x0, r3}) r6 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r6, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) setsockopt$inet6_MRT6_DEL_MFC(r6, 0x29, 0xcd, &(0x7f0000000180)={{0xa, 0x4e24, 0x82d, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x10001}, {0xa, 0x4e23, 0x0, @remote}, 0x9, [0x1, 0x3, 0x6, 0x7, 0x9, 0x1ff, 0xffff8001, 0x400]}, 0x5c) r7 = syz_open_dev$ndb(0x0, 0x0, 0x0) r8 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x1ff) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) ioctl$NBD_SET_SOCK(r7, 0xab03, 0xffffffffffffffff) 12:46:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r0, 0xc0096616, &(0x7f0000000000)={0x2, [0x0, 0x0]}) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 846.215003][T30097] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 846.305810][T20510] block nbd5: Receive control failed (result -107) [ 846.305817][ T9049] block nbd5: Receive control failed (result -107) [ 846.330112][T30130] block nbd5: shutting down sockets 12:46:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0xb}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 846.422850][T30097] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) r4 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000100)='NET_DM\x00') sendmsg$NET_DM_CMD_START(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0xfffffffffffffc23, r4, 0x100, 0x70bd26, 0x25dfdbff, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x4040800) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$KVM_GET_REGS(0xffffffffffffffff, 0x8090ae81, &(0x7f0000000000)) getpeername$ax25(r3, &(0x7f0000000240)={{0x3, @null}, [@netrom, @bcast, @bcast, @bcast, @rose, @bcast, @default, @netrom]}, &(0x7f00000002c0)=0x48) 12:46:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x1a, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) sendfile(r5, r6, 0x0, 0x80001d00c0d0) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = dup2(r9, r8) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r13 = dup2(r12, r11) ioctl$PERF_EVENT_IOC_ENABLE(r13, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r10, 0x84, 0x1d, &(0x7f0000000140)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r13, 0x84, 0x7c, &(0x7f00000001c0)={r14, 0x7f, 0x400}, 0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x66, &(0x7f00000000c0)={r14, 0x5}, &(0x7f0000000100)=0x8) ioctl$KVM_PPC_ALLOCATE_HTAB(r6, 0xc004aea7, &(0x7f0000000000)=0x28) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:38 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x409f0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 846.597151][T29941] block nbd4: shutting down sockets [ 846.794377][T30356] block nbd5: shutting down sockets 12:46:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0xc}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$USBDEVFS_FREE_STREAMS(0xffffffffffffffff, 0x8008551d, &(0x7f00000000c0)={0x99a6, 0x2, [{0x6, 0x1}, {0xb}]}) r4 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r4, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) setsockopt$inet6_dccp_buf(r4, 0x21, 0xe, &(0x7f0000000000)="23aae691ba5721352da52ce53bf55288ed6001240d01a3a584da11c309586b53a2988fc72588a21318149992769c08e4fd82206647f051eae2a967d02688c2eddd98", 0x42) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) sendto$ax25(r4, &(0x7f0000000000)="0f23fa77ce2fc2d8c2cfa38be945207c8ac31cea6eaf0396da5bb8cd3ca08e309a2b29631d1d78f66ae50c8e03b9c051a7bce908db171ccadd36678db41a005c61673ef73b51e4357f819f52d9a379d048688ae5eb56aca0d30c8c7766a174fbce43fb7ee3a6e4a985359644ac1ee3fa4c7ebe6a95ae34d92da61baaea1f82d052b8ec6c4d323d89c6d532ab964d7219d3e7c139850790be91e3ec82c28cf8d5fc331d1171570a41e9e890ae63e544822d8fd307", 0xb4, 0x800, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, r5, 0x20, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x28}, 0x1, 0x0, 0x0, 0x4044040}, 0x40001) [ 846.827969][T30420] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 846.995847][T20510] block nbd4: Receive control failed (result -107) 12:46:39 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40a00300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 847.040306][T20510] block nbd0: Receive control failed (result -107) [ 847.138046][T20510] block nbd5: Receive control failed (result -107) [ 847.138053][ T9049] block nbd5: Receive control failed (result -107) [ 847.155866][T30431] block nbd5: shutting down sockets 12:46:39 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0xe}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 847.179463][T30432] block nbd4: shutting down sockets 12:46:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1ff) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000600)=ANY=[@ANYBLOB="41000840ac074daeaa68817537aeb6b89fc2fee1a4c3135678c49b84967e71ae03f16e4b1c40e7d4b6cbedc1b62af19655ade16fdc9181fb8be277bf575209b361cc44dc1bfc7b15d67e2dfab1342701af70b31c080373c98aaa5be16792cadebc18f67a6fe782477d31a7ebd6732148944908b2ac6e2be234086208eb6ae5c0f7f294", @ANYRES16=r4, @ANYBLOB="aabd050c27bd7000ffdbdf250b000000"], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00022abd7800fbdbdf25020000000c00cb000000000000a8536354000000"], 0x20}, 0x1, 0x0, 0x0, 0x4880}, 0x20000000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r4, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x107}]}, 0x38}, 0x1, 0x0, 0x0, 0x4080}, 0x4041) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r5 = syz_open_dev$mice(&(0x7f0000000340)='/dev/input/mice\x00', 0x0, 0x600800) setsockopt$CAN_RAW_FILTER(r5, 0x65, 0x1, &(0x7f0000000380)=[{{0x4, 0x0, 0x1}, {0x3, 0x1, 0x1, 0x1}}, {{0x2, 0x0, 0x0, 0x1}, {0x2, 0x0, 0x1}}, {{0x2, 0x0, 0x1}, {0x0, 0x1, 0x0, 0x1}}, {{0x3, 0x1}, {0x1, 0x1, 0x1}}, {{0x3, 0x1, 0x1}, {0x4}}], 0x28) r6 = socket$inet6(0xa, 0x400000000001, 0x0) close(r6) r7 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r6, 0x84, 0xd, 0x0, 0x0) ftruncate(r7, 0x200004) r8 = dup(r2) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r11 = dup2(r10, r9) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r14 = dup2(r13, r12) ioctl$PERF_EVENT_IOC_ENABLE(r14, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r11, 0x84, 0x1d, &(0x7f0000000140)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r14, 0x84, 0x7c, &(0x7f00000001c0)={r15, 0x7f, 0x400}, 0x8) getsockopt$inet_sctp_SCTP_MAXSEG(r8, 0x84, 0xd, &(0x7f0000000240)=@assoc_id=r15, &(0x7f0000000300)=0x4) sendfile(r6, r7, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_DQBUF(r7, 0xc0585611, &(0x7f00000006c0)={0x80000000, 0xb, 0x4, 0x20000000, 0x9, {0x0, 0x7530}, {0x1, 0xc, 0xfb, 0x40, 0x5, 0x20, "61bf8a03"}, 0x3ff, 0x1, @planes=&(0x7f00000005c0)={0x1ff, 0x5, @userptr=0xf55, 0x3}, 0x637, 0x0, 0xffffffffffffffff}) ioctl$SIOCGSTAMP(r16, 0x8906, &(0x7f0000000740)) [ 847.294175][T30539] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 847.297625][ T2628] print_req_error: 169 callbacks suppressed [ 847.297642][ T2628] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 847.318346][ T2628] buffer_io_error: 182 callbacks suppressed [ 847.318355][ T2628] Buffer I/O error on dev nbd1, logical block 0, async page read [ 847.334073][ T2628] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 847.345245][ T2628] Buffer I/O error on dev nbd1, logical block 1, async page read [ 847.361999][ T2628] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 2 prio class 0 [ 847.373947][ T2628] Buffer I/O error on dev nbd1, logical block 2, async page read [ 847.382013][ T2628] Buffer I/O error on dev nbd1, logical block 3, async page read [ 847.389930][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 847.401165][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 847.409694][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 847.420961][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 847.430249][ T2629] Buffer I/O error on dev nbd1, logical block 2, async page read 12:46:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x5c7040) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) sendmsg$key(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000340)={0x2, 0x7, 0xfb, 0x9, 0xb, 0x0, 0x70bd2d, 0x25dfdbfd, [@sadb_x_nat_t_type={0x1, 0x14, 0x12}, @sadb_x_kmaddress={0x8, 0x19, 0x0, @in6={0xa, 0x4e20, 0x345e, @empty, 0x80}, @in6={0xa, 0x4e21, 0x3, @dev={0xfe, 0x80, [], 0x38}, 0x6}}]}, 0x58}}, 0x0) r6 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/sequencer\x00', 0x1, 0x0) ioctl$VIDIOC_G_INPUT(r6, 0x80045626, &(0x7f00000002c0)) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r7) r8 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet_sctp_SCTP_AUTOCLOSE(0xffffffffffffffff, 0x84, 0x4, &(0x7f0000000300)=0x1ff, 0x4) r9 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r8, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000200)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="31000000000000000000090000003c0003000800030000000000140002006c6f000000000000000000000000000014000600ff0300000000000000000000000000010800010001000000ab5ab8d103c3d8ef0ab815e4a1525d65d43a5dd77de5cf5ee9b506c1bb2ce647da7a25aaf019a18044d306dbc7facad64568c48ad3a2bf742e3112"], 0x50}}, 0x0) sendmsg$IPVS_CMD_SET_DEST(r7, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="98000000", @ANYRES16=r9, @ANYBLOB="100025bd7000ffdbdf250600000030000280080008000000000014000100000000000000000000080006005b0a00000800030001000000100001800c0007000400000004000000080006000008000008000600080000003400038005000800ff00000008000500ac1414aa08000500ac1414bb060007004e22000008000500ac1414bb080003000200"/146], 0x98}, 0x1, 0x0, 0x0, 0x4800}, 0x20000000) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) [ 847.438102][ T2629] Buffer I/O error on dev nbd1, logical block 3, async page read [ 847.446899][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 847.457782][ T2629] Buffer I/O error on dev nbd1, logical block 0, async page read [ 847.466374][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 847.477345][ T2629] Buffer I/O error on dev nbd1, logical block 1, async page read [ 847.485248][T30327] block nbd0: shutting down sockets [ 847.490885][ T2629] blk_update_request: I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 847.502124][ T2629] blk_update_request: I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 847.513952][ T2629] blk_update_request: I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 847.526796][T30543] ldm_validate_partition_table(): Disk read failed. [ 847.536836][T30543] Dev nbd1: unable to read RDB block 0 [ 847.544166][T30543] nbd1: unable to read partition table 12:46:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) getsockname$tipc(r4, &(0x7f0000000000)=@name, &(0x7f0000000040)=0x10) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 847.607179][T30539] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 847.621879][T30567] ldm_validate_partition_table(): Disk read failed. 12:46:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 847.654364][T30567] Dev nbd1: unable to read RDB block 0 [ 847.662863][T30567] nbd1: unable to read partition table 12:46:39 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40a10300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 847.756900][T30652] block nbd4: shutting down sockets 12:46:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x800, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) sendmsg$IPCTNL_MSG_TIMEOUT_NEW(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x8, 0xa0e, 0x0, 0x0, {0x7, 0x0, 0x2}, [@CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x60}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x2) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) [ 847.876213][T20510] block nbd0: Receive control failed (result -107) [ 847.884795][T20510] block nbd0: Receive control failed (result -107) [ 847.899028][T30701] block nbd0: shutting down sockets [ 847.908804][T30735] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 848.002865][T30735] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:40 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0xf}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r2, r3, 0x0, 0x80001d00c0d0) openat$cgroup_int(r3, &(0x7f0000000180)='cgroup.max.descendants\x00', 0x2, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) r9 = socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000100)='SEG6\x00') sendmsg$SEG6_CMD_SETHMAC(r9, &(0x7f0000000200)={0x0, 0x1b0, &(0x7f00000001c0)={&(0x7f0000000240)={0x30, r10, 0x1, 0x0, 0x0, {}, [@SEG6_ATTR_SECRET={0x4}, @SEG6_ATTR_SECRETLEN={0x5, 0x5, 0x9}, @SEG6_ATTR_ALGID={0x5}, @SEG6_ATTR_HMACKEYID={0x8, 0x3, 0xd9a}]}, 0x30}, 0x1, 0x6c}, 0x0) sendmsg$SEG6_CMD_SET_TUNSRC(r8, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r10, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@SEG6_ATTR_HMACKEYID={0x8}, @SEG6_ATTR_DSTLEN={0x8, 0x2, 0x1}, @SEG6_ATTR_DST={0x14, 0x1, @rand_addr="7f0b8ce645d51786d475c00be858f5da"}]}, 0x38}, 0x1, 0x0, 0x0, 0x48884}, 0x4000000) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r4, 0xab03, 0xffffffffffffffff) 12:46:40 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40a20300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r1, 0x300, 0x70bd29, 0x25dfdbfd, {{}, {}, {0x14, 0x19, {0x1, 0x1, 0x3, 0x6}}}, ["", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x24050}, 0x40000c1) [ 848.260472][T30721] block nbd5: shutting down sockets 12:46:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x11, 0x1, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xfffffffffffffffc}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000100)='./file1\x00', &(0x7f0000000440)='squashfs\x00', 0x8000, 0x0) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f0000000040)='./file0\x00', 0x8, 0x0) r2 = open(&(0x7f0000000340)='./file0\x00', 0x2, 0x82) r3 = openat$cgroup_subtree(r2, &(0x7f0000000080)='cgroup.subtree_control\x00', 0x2, 0x0) add_key$keyring(0x0, &(0x7f00000001c0)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffb) write$cgroup_subtree(r3, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"], 0x6) write$cgroup_subtree(r3, &(0x7f00000000c0)=ANY=[@ANYBLOB='-pids!'], 0x6) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(0x0, 0x0, 0x422180) r5 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r5, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) r8 = socket$inet6(0xa, 0x400000000001, 0x0) close(r8) r9 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r8, 0x84, 0xd, 0x0, 0x0) ftruncate(r9, 0x200004) sendfile(r8, r9, 0x0, 0x80001d00c0d0) ioctl$PPPIOCSMRRU(r9, 0x4004743b, &(0x7f0000000380)=0x5d0f) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$sock_bt_hidp_HIDPCONNDEL(r7, 0x400448c9, &(0x7f00000003c0)={@none, 0x5a25}) getsockopt$IP_VS_SO_GET_SERVICES(r5, 0x0, 0x482, &(0x7f0000000280)=""/188, &(0x7f00000000c0)=0xbc) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r10 = socket(0x2, 0x0, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r10) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$TUNSETNOCSUM(r2, 0x400454c8, 0x1) recvfrom$phonet(r10, &(0x7f0000000180)=""/224, 0xe0, 0x140, &(0x7f0000000080)={0x23, 0x2, 0x6}, 0x10) utime(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x400, 0x48000}) 12:46:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, 0x0, 0x0) ftruncate(r4, 0x200004) sendfile(r3, r4, 0x0, 0x80001d00c0d0) ioctl$SNDRV_PCM_IOCTL_PAUSE(r4, 0x40044145, &(0x7f0000000000)=0x4) [ 848.361554][T30888] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 848.412521][T30914] ldm_validate_partition_table(): Disk read failed. [ 848.438304][T30888] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 848.453551][T30890] block nbd0: Device being setup by another task [ 848.461975][T30914] Dev nbd1: unable to read RDB block 0 12:46:40 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x10}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 848.513982][T30914] nbd1: unable to read partition table 12:46:40 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40a30300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 848.606725][T30882] block nbd0: shutting down sockets [ 848.668795][T30914] ldm_validate_partition_table(): Disk read failed. [ 848.716703][T20510] block nbd4: Receive control failed (result -107) [ 848.755330][T30914] Dev nbd1: unable to read RDB block 0 12:46:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x25, 0x4, 0xfc) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) socket$vsock_stream(0x28, 0x1, 0x0) r6 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x80000, 0x0) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x1ff) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) ioctl$KVM_SET_TSS_ADDR(r6, 0xae47, 0xd000) r10 = getuid() setsockopt$inet_IP_IPSEC_POLICY(r9, 0x0, 0x10, &(0x7f0000000040)={{{@in=@remote, @in6=@mcast1, 0x4e23, 0x7fff, 0x4e24, 0x8, 0x2, 0xa0, 0x20, 0x2b, 0x0, r10}, {0x1, 0x4, 0x9, 0x7, 0x2, 0x7f, 0x532, 0x7}, {0x5, 0x80000003, 0x9, 0x1}, 0x4, 0x6e6bbb, 0x0, 0x1, 0x1}, {{@in6=@mcast1, 0x4d4, 0x3c}, 0xa, @in6=@local, 0x0, 0x0, 0x1, 0x82, 0x0, 0x1, 0x5}}, 0xe8) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r11 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r11) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_DO_IT(r7, 0xab03) [ 848.826518][T30914] nbd1: unable to read partition table [ 848.852370][T31109] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:40 executing program 0: r0 = socket(0x2, 0x1, 0xfe) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-monitor\x00', 0x402000, 0x0) ioctl$VT_OPENQRY(r2, 0x5600, &(0x7f0000000040)) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = syz_open_dev$ndb(0x0, 0x0, 0x31000) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000280)='/proc/asound/seq/clients\x00', 0x0, 0x0) setsockopt$sock_linger(r5, 0x1, 0xd, &(0x7f00000002c0)={0x0, 0x1}, 0x8) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r6) r7 = socket$inet6(0xa, 0x400000000001, 0x0) close(r7) r8 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r7, 0x84, 0xd, 0x0, 0x0) ftruncate(r8, 0x200004) sendfile(r7, r8, 0x0, 0x80001d00c0d0) write$eventfd(r8, &(0x7f0000000080)=0x7ff, 0x8) ioctl$NBD_SET_SOCK(r1, 0xab03, 0xffffffffffffffff) r9 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r9, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@local, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@initdev}, 0x0, @in6}}, &(0x7f00000001c0)=0xe8) r11 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/fuse\x00', 0x2, 0x0) stat(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuse\x00', 0x0, &(0x7f0000000200)={{'fd', 0x3d, r11}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r12}}) setsockopt$sock_cred(r9, 0x1, 0x11, &(0x7f0000000200)={0xffffffffffffffff, r10, r12}, 0xc) 12:46:40 executing program 1: r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, 0x0, 0x0) ftruncate(r1, 0x200004) r2 = fspick(0xffffffffffffffff, &(0x7f0000000000)='./bus\x00', 0x1) fsetxattr$security_ima(r2, &(0x7f0000000040)='security.ima\x00', &(0x7f00000000c0)=@v1={0x2, "0f9f1fa8b2b99288f76acb6f64c3da"}, 0x10, 0x0) sendfile(r0, r1, 0x0, 0x80001d00c0d0) ioctl$UI_SET_FFBIT(r1, 0x4004556b, 0x4c) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r3, 0xab02, 0x0) 12:46:41 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x11}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 848.948683][T31109] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:41 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40a40300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 849.067618][ T9049] block nbd5: Receive control failed (result -107) [ 849.067638][T20510] block nbd5: Receive control failed (result -107) [ 849.179534][T31230] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 849.226537][T31201] block nbd5: shutting down sockets [ 849.245278][T31230] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:41 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x40a50300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 849.317857][T31337] ldm_validate_partition_table(): Disk read failed. [ 849.326667][T31337] Dev nbd1: unable to read RDB block 0 [ 849.334191][T31337] nbd1: unable to read partition table 12:46:41 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x12}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 849.369674][T30999] block nbd4: shutting down sockets [ 849.473979][ T9049] block nbd4: Receive control failed (result -107) [ 849.500516][T31438] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x7) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 849.583474][T31438] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 849.615527][T30999] block nbd4: shutting down sockets 12:46:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$EXT4_IOC_PRECACHE_EXTENTS(r2, 0x6612) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:41 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x4c740000}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 849.767145][T31475] block nbd5: server does not support multiple connections per device. [ 849.816837][T31454] block nbd5: shutting down sockets [ 849.847234][ T27] audit: type=1800 audit(1580647601.829:177): pid=31222 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.0" name="bus" dev="sda1" ino=16547 res=0 [ 849.952829][ T27] audit: type=1800 audit(1580647601.889:178): pid=31337 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="sda1" ino=16554 res=0 [ 849.988386][ T9049] block nbd4: Receive control failed (result -107) 12:46:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup2(r6, r5) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = dup2(r9, r8) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f0000000140)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x18) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r10, 0x84, 0x7c, &(0x7f00000001c0)={r11, 0x7f, 0x400}, 0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000000)={r11, @in6={{0xa, 0x4e21, 0x3, @empty, 0x9}}, 0xa65, 0x75}, &(0x7f00000000c0)=0x90) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000180)={r12, @in={{0x2, 0x4e22, @multicast2}}, 0x1000, 0xadb}, &(0x7f0000000100)=0x90) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 850.005717][T31539] block nbd4: shutting down sockets 12:46:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab07, 0x4) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:42 executing program 1: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x2, 0x0) ioctl$TCSETSW2(r0, 0x402c542c, &(0x7f0000000040)={0x3ff, 0x6, 0x7fffffff, 0x5, 0x3f, "58f5dbccf3f36753cab92d3f79c57e00bf2c3d", 0xff, 0x5}) r1 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0x0) r2 = socket$inet6(0xa, 0x400000000001, 0x0) close(r2) r3 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r2, r3, 0x0, 0x80001d00c0d0) ioctl$TIOCSSOFTCAR(r3, 0x541a, &(0x7f0000000080)=0x1) 12:46:42 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x13}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 850.054079][T31616] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 850.113618][ T9049] block nbd4: Receive control failed (result -107) [ 850.123291][T31539] block nbd4: shutting down sockets 12:46:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) prctl$PR_SET_MM_MAP_SIZE(0x23, 0xf, &(0x7f0000000000)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:42 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x80880300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:42 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x14}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 850.464228][ T9049] block nbd0: Receive control failed (result -107) [ 850.489506][ T9049] block nbd0: Receive control failed (result -107) [ 850.507842][ T9049] block nbd4: Receive control failed (result -107) [ 850.518082][T31835] block nbd4: shutting down sockets [ 850.523071][T31724] block nbd0: shutting down sockets [ 850.569605][ T9049] block nbd4: Receive control failed (result -107) [ 850.570774][T31838] block nbd4: shutting down sockets [ 850.599622][T31834] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r6, 0xab0a, 0x1ff) r7 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) setsockopt$ARPT_SO_SET_REPLACE(r7, 0x0, 0x60, &(0x7f00000005c0)=ANY=[@ANYBLOB="66696c74650000000000000000000000383d3214dda02e2af115fc6edd134700aa8d000000000007000000d06b4200bf759b1701323a722a7593010000e8000000e0020000e0020000e0020000040000003c3b1a3800"/97, @ANYPTR=&(0x7f0000000000)=ANY=[@ANYBLOB='\x00'/64], @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e80000000000000000000000000000000000000000000000000028004e46515545554500000000000000000000000000000000000000000000030800000003000000000000007f000001ff000000000000ff0a08aaaaaaaaaa1d0000000000000000000000ffff00ffff000000000000000000000180c200000100000000000000000000ffff00ffffff000000000000000000008000683500050009008180016970766c616e310000000000000000006e657464657673696d30000000000000ff00000000000000000000000000000000000000000000000000000000000000000002000000c000e80000000000000000000000000000000000000000000000000028004d41524b000000000000000000000000000000000000000000000000000200000000fe140000ac1e0101ac1414bbff000000ffffffff0b04ffffffffffff0000000000000000000000ff00ffff00000000000000000000000000000000000000000000000000000000ffffff00ff00000000000000000000003f000900010004000000056d616373656330000000000000000000767863616e3100000000000000000000ff000000000000000000000000000000ff000000000000000000000000000000000000000000c000100100000000000000000000000000000000000000000000000050006d616e676c65000000000000000000000000000000000000000000000000000000000000000000000000000000000180c200000000000000000000000000ffffffff7f0000010f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000e8000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff00000000"], 0x418) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_BLKSIZE(r4, 0xab01, 0x1) ioctl$FBIOGET_CON2FBMAP(0xffffffffffffffff, 0x460f, &(0x7f0000000040)={0x32, 0x2}) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r8) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0xa, 0xa4) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) sendmsg$IPSET_CMD_FLUSH(r5, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x4, 0x6, 0x201, 0x0, 0x0, {0xc, 0x0, 0x4}, [@IPSET_ATTR_PROTOCOL={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44015}, 0x10) ioctl$NBD_DO_IT(r2, 0xab03) [ 850.717916][T31834] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 850.730756][ T27] audit: type=1800 audit(1580647602.709:179): pid=31891 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="sda1" ino=16556 res=0 12:46:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x4400) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) r1 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r1, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) r2 = socket$key(0xf, 0x3, 0x2) getsockopt$IP_VS_SO_GET_DAEMON(r2, 0x0, 0x487, &(0x7f00000000c0), &(0x7f0000000040)=0x30) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:46:42 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x80890300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 850.954736][T31991] block nbd5: Unsupported socket: shutdown callout must be supported. [ 850.972366][ T9049] block nbd4: Receive control failed (result -107) [ 850.982811][T31966] block nbd4: shutting down sockets [ 850.992904][ T9049] block nbd0: Receive control failed (result -107) [ 851.005834][ T9049] block nbd0: Receive control failed (result -107) [ 851.014986][ T9049] block nbd0: Receive control failed (result -107) [ 851.026131][T31972] block nbd0: shutting down sockets [ 851.060492][T32009] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 851.092968][T32006] block nbd4: Could not allocate knbd recv work queue. [ 851.100512][T31992] block nbd4: Could not allocate knbd recv work queue. 12:46:43 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x18}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 851.116262][T31992] block nbd4: shutting down sockets [ 851.172503][T32009] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x41, &(0x7f0000000000)=0x202, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$ndb(0x0, 0x0, 0x0) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) 12:46:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, 0x0, 0x0) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x80001d00c0d0) ioctl$KDGKBTYPE(r2, 0x4b33, &(0x7f0000000000)) 12:46:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x10, 0x6, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r2, 0xab03) 12:46:43 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x808a0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 851.303617][T31991] block nbd5: shutting down sockets 12:46:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, 0x0, 0x0) ftruncate(r4, 0x200004) sendfile(r3, r4, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_UNSUBSCRIBE_EVENT(r4, 0x4020565b, &(0x7f0000000000)={0x2, 0x3f, 0x1}) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) ioctl$NBD_DO_IT(r2, 0xab03) [ 851.514657][T32024] block nbd0: shutting down sockets 12:46:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r3, 0x84, 0xd, 0x0, 0x0) ftruncate(r4, 0x200004) sendfile(r3, r4, 0x0, 0x80001d00c0d0) write$P9_RCREATE(r4, &(0x7f0000000000)={0x18, 0x73, 0x2, {{0x4, 0x4, 0x8}, 0xff}}, 0x18) ioctl$NBD_DO_IT(r2, 0xab03) openat$ion(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ion\x00', 0x400, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$SNDRV_PCM_IOCTL_PREPARE(r4, 0x4140, 0x0) [ 851.558599][T32075] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 851.568275][T32024] block nbd0: shutting down sockets 12:46:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) r5 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/avc/cache_stats\x00', 0x0, 0x0) r6 = openat(r5, &(0x7f00000001c0)='./file0\x00', 0x2ac00, 0xd06953ef971fa005) ioctl$USBDEVFS_RESETEP(r6, 0x80045503, &(0x7f0000000200)) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r7 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1ff) r8 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) setsockopt$netlink_NETLINK_TX_RING(r8, 0x10e, 0x7, &(0x7f0000000240)={0x401, 0x9, 0x800, 0x7e}, 0xd) getsockopt$inet_opts(r1, 0x0, 0x0, &(0x7f0000000000)=""/221, &(0x7f0000000100)=0xdd) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) 12:46:43 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x60}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 851.692424][T32075] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:43 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x808b0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) [ 851.743350][T20510] block nbd0: Receive control failed (result -107) [ 851.743357][ T9049] block nbd0: Receive control failed (result -107) [ 851.761338][T20510] block nbd0: Receive control failed (result -107) [ 851.769985][T32142] block nbd0: shutting down sockets [ 851.826190][T32142] block nbd0: shutting down sockets 12:46:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r5, &(0x7f0000000180)="1b090000004200007f28659119cc20eb867a461100004f8800000000", 0x1c, 0x80, 0x0, 0x0) r6 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r7) ioprio_set$uid(0x0, r7, 0x7fffffff) r8 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r8, 0xab0a, 0x1ff) r9 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r8, 0xab00, r9) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r9, 0x84, 0xf, &(0x7f00000001c0)={0x0, @in={{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x3a}}}, 0x9, 0x9, 0x28ba, 0x7ff, 0x200}, &(0x7f0000000100)=0x98) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r4, 0x84, 0x18, &(0x7f0000000280)={r10, 0x8}, &(0x7f00000002c0)=0x8) recvfrom$l2tp6(r5, &(0x7f0000000000)=""/147, 0x93, 0x8000, &(0x7f00000000c0)={0xa, 0x0, 0x0, @remote}, 0x20) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) [ 851.907590][T32208] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 851.951875][T32224] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=16896 sclass=netlink_route_socket pid=32224 comm=syz-executor.0 [ 852.013370][T32208] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 852.034547][T20510] block nbd0: Receive control failed (result -107) [ 852.043407][T20510] block nbd0: Receive control failed (result -107) [ 852.093851][T20510] block nbd4: Receive control failed (result -107) 12:46:44 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x808c0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x408000, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) [ 852.199225][T32359] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 852.216165][T32086] block nbd5: shutting down sockets 12:46:44 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0xf0}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 852.268405][T32359] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) mlockall(0x6) [ 852.303115][ T27] audit: type=1800 audit(1580647604.289:180): pid=32117 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="sda1" ino=16583 res=0 [ 852.363641][T20510] block nbd5: Receive control failed (result -107) [ 852.374120][T20510] block nbd5: Receive control failed (result -107) [ 852.382998][T32372] block nbd5: shutting down sockets 12:46:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x80000) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x8) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) socket$bt_rfcomm(0x1f, 0x3, 0x3) ioctl$NBD_DO_IT(r2, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x1ff) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) getsockopt$bt_BT_VOICE(r5, 0x112, 0xb, &(0x7f0000000080)=0x8, &(0x7f00000000c0)=0x2) bind$vsock_stream(r1, &(0x7f0000000040)={0x28, 0x0, 0x0, @my=0x0}, 0x10) 12:46:44 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x808d0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:44 executing program 1: execve(&(0x7f0000000000)='./file0\x00', &(0x7f0000000180), &(0x7f0000000300)=[&(0x7f00000001c0)='/dev/nbd#\x00', &(0x7f00000003c0)='\x1ed\x00\x00\x00\x00yd#\x00\x87\xddT+\xfa\x89?\x18\xac\x85\xfa\x99\v\xc4\x15w.\x99\x15\rD\x86_\x87\xa9_w\xdc\xf0\x89\xba\x18I\xfbG\xe1@\xd2\xa8\x17\xcc)\xd1\xe4U\n\t\xc5\xf3\x92\n \r\x96\x18cA\xa7\xd1\x9c.\x16^$\'\xdc1x\'\xe4B', &(0x7f0000000240)='s\xb6', &(0x7f0000000280)='/dev/nbd#\x00', &(0x7f00000002c0)='/dev/nbd#\x00']) r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, 0x0, 0x0) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x80001d00c0d0) ioctl$KVM_XEN_HVM_CONFIG(r2, 0x4038ae7a, &(0x7f0000000200)={0x4, 0x632, &(0x7f0000000700)="24b20eab026d96ad62d8f3358c2314c0c421b59d393a1365d4b2f018e1a9ed5a7aee22d9060afd2e3296f9503ae848b2c3818845d66597f6a15d653bf39fd002eac0ff4e1a0456671c40b8ab2f86422396cc29bb67d07bed5d52d00ceaa5f3f0c4499cdd8ecf20ec5ef96605f29ddb845c4f408979633b88a501aad0982cf76c899579773533462501d4b62b94473d2a182c17ad55a23f943064196baa6b81721a0d8c68a2b2feffab6bfe9e4fb1acfe9beabc93b1f0cdd0f1df42bdbca94cc66f610b0eca6fb0412bc1786be8dfb856dcfec18540a6fda4a7d5435b4346a405d6354944b0d5a8", &(0x7f0000000800)="702d7d7b14327b3ecb0320da6f6f3624d76566ea2eeb4be6766e2c0483d6c7b2b9f08e84db4f2a7130f5335329ebe75d26347cdb2858f2ef79bdb3fbd4a205e467344ffacf1c074dbc2f1a2dc15d6e93c6273a4d5cdf45e04ddcdb3d5e49a2c33ff99a6780369dbd5c932f6fb44a21fa0519b0651331c0f09ac7e8", 0xe7, 0x7b}) r3 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000080)={0x0, @in={{0x2, 0x4e23, @multicast2}}, 0x5, 0x8, 0xa5b, 0xffa8}, &(0x7f0000000180)=0x98) getsockopt$inet_sctp6_SCTP_RTOINFO(r3, 0x84, 0x0, &(0x7f0000000340)={r4, 0x2, 0x3, 0xca}, &(0x7f0000000380)=0x10) r5 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000880)='/dev/null\x00', 0x10402, 0x0) ioctl$MON_IOCX_GETX(r6, 0x4018920a, &(0x7f00000009c0)={&(0x7f00000008c0), &(0x7f0000000900)=""/174, 0xae}) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r5, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$FS_IOC_GETFSMAP(r5, 0xc0c0583b, &(0x7f0000000440)={0x0, 0x0, 0x8, 0x0, [], [{0x1, 0x9, 0xffffffffffff8001, 0x8, 0x3, 0x1}, {0x8, 0x2, 0x9, 0x7, 0x6, 0x7}], [[], [], [], [], [], [], [], []]}) [ 852.591472][T32177] block nbd4: shutting down sockets [ 852.713434][T20510] block nbd4: Receive control failed (result -107) [ 852.729354][T32515] block nbd5: server does not support multiple connections per device. [ 852.742092][T32222] block nbd0: shutting down sockets [ 852.769994][T32527] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 852.777737][T32525] block nbd4: shutting down sockets [ 852.846862][T32256] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=16896 sclass=netlink_route_socket pid=32256 comm=syz-executor.0 12:46:44 executing program 4: prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, 0x0, 0x0) ftruncate(r1, 0x200004) sendfile(r0, r1, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_UNSUBSCRIBE_EVENT(r1, 0x4020565b, &(0x7f0000000180)={0x8001003, 0x9, 0x1}) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x1e, 0x2, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) getsockopt$sock_int(r3, 0x1, 0x2d, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl$NBD_DO_IT(r4, 0xab03) r5 = socket$inet6(0xa, 0x400000000001, 0x0) close(r5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r5, 0x84, 0xd, 0x0, 0x0) ftruncate(r6, 0x200004) sendfile(r5, r6, 0x0, 0x80001d00c0d0) ioctl$VIDIOC_SUBDEV_G_CROP(r6, 0xc038563b, &(0x7f00000001c0)={0x1, 0x0, {0xfff, 0x80000001, 0x3ff}}) r7 = socket$inet6(0xa, 0x400000000001, 0x0) close(r7) r8 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r7, 0x84, 0xd, 0x0, 0x0) ftruncate(r8, 0x200004) sendfile(r7, r8, 0x0, 0x80001d00c0d0) ioctl$TIOCL_SETSEL(r8, 0x541c, &(0x7f0000000100)={0x2, {0x2, 0x7ff, 0x7, 0x6, 0x8, 0xd}}) ioctl$NBD_DO_IT(r4, 0xab03) add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffb) [ 852.921961][T32222] block nbd0: shutting down sockets 12:46:44 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x300}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) 12:46:44 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x808e0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket$inet6(0xa, 0x400000000001, 0x0) close(r4) r5 = open(&(0x7f0000000080)='./bus\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r4, 0x84, 0xd, 0x0, 0x0) ftruncate(r5, 0x200004) sendfile(r4, r5, 0x0, 0x80001d00c0d0) fsconfig$FSCONFIG_SET_PATH(r5, 0x3, &(0x7f0000000040)='[\x00', &(0x7f00000000c0)='./file0\x00', 0xffffffffffffffff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r6) ioctl$NBD_SET_SOCK(r2, 0xab03, 0xffffffffffffffff) r7 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r7, &(0x7f0000000080)="1b00000022001f15b9d8b059ca0900000042000000000000000000", 0x24b, 0x0, 0x0, 0x9d5375be8fe83f36) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r7, 0x8983, &(0x7f0000000000)) [ 852.984294][T32496] block nbd5: shutting down sockets 12:46:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1ff) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x1fd) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) ioctl$NBD_DO_IT(r2, 0xab03) [ 853.197148][T32704] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 853.237842][T20510] block nbd0: Receive control failed (result -107) [ 853.251900][T20510] block nbd0: Receive control failed (result -107) [ 853.339810][T32704] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 853.341248][T20510] block nbd5: Receive control failed (result -107) [ 853.355071][T20510] block nbd5: Receive control failed (result -107) [ 853.367228][T32709] block nbd5: shutting down sockets [ 853.402474][ T27] audit: type=1800 audit(1580647605.379:181): pid=32697 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="sda1" ino=16999 res=0 [ 853.427841][T32710] block nbd0: shutting down sockets 12:46:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x8000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) ioctl$DRM_IOCTL_GET_CLIENT(0xffffffffffffffff, 0xc0286405, &(0x7f0000000000)={0x3, 0x38a, {0x0}, {0xee00}, 0x5, 0xc26}) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0xb0000, 0x0) r4 = accept4$bt_l2cap(0xffffffffffffffff, &(0x7f0000000100), &(0x7f00000000c0)=0xe, 0x0) kcmp(r1, r2, 0x6, r3, r4) r5 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r5, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) r6 = dup2(r5, 0xffffffffffffffff) ioctl$EVIOCREVOKE(r6, 0x40044591, &(0x7f0000000080)=0x1f) 12:46:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x500}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 853.517045][T32715] block nbd0: Could not allocate knbd recv work queue. [ 853.592512][T32715] block nbd0: shutting down sockets 12:46:45 executing program 2: syz_mount_image$ext4(&(0x7f0000000100)='ext3\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f00000002c0)=[{&(0x7f00000000c0)="25bca274769e020a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a782d2702e6d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x808f0300}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='grpjquota=.,grpjquota=.=']) 12:46:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(0x0, 0x0, 0x0) r3 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r3, 0xc02064b9, &(0x7f0000000080)={&(0x7f0000000000)=[0x401, 0x0, 0x1000], &(0x7f0000000040)=[0x0, 0x0, 0x0], 0x3, 0xdd8, 0xeeeeeeee}) ioctl$VIDIOC_TRY_EXT_CTRLS(0xffffffffffffffff, 0xc0205649, &(0x7f0000000080)={0x4, 0x9, 0x0, r3, 0x0, &(0x7f0000000040)={0x9b0940, 0x4, [], @p_u8=&(0x7f0000000000)=0xff}}) write$UHID_DESTROY(r4, &(0x7f00000000c0), 0x4) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) socket(0x2, 0x1, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$TUNDETACHFILTER(r4, 0x401054d6, 0x0) 12:46:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1ff) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) sendmsg$NFT_MSG_GETOBJ_RESET(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x15, 0xa, 0x101, 0x0, 0x0, {0x7, 0x0, 0x7}, [@NFTA_OBJ_HANDLE={0xc, 0x6, 0x1, 0x0, 0x1}, @NFTA_OBJ_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_OBJ_TYPE={0x8, 0x3, 0x1, 0x0, 0xa}, @NFTA_OBJ_NAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x400c010}, 0x44) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r4 = syz_open_dev$ndb(0x0, 0x0, 0x0) r5 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1ff) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r4, 0xab03, 0xffffffffffffffff) 12:46:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000100000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = fcntl$dupfd(r6, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$nl_route_sched(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x4c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0x0, 0x600}, {0xfff1}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x18, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x14, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX={0x8}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x1, 0x1}]}]}]}}]}, 0x4c}}, 0x0) [ 853.866266][ T570] EXT4-fs (loop2): VFS: Can't find ext4 filesystem 12:46:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x426001) ioctl$VIDIOC_PREPARE_BUF(0xffffffffffffffff, 0xc058565d, &(0x7f0000000000)={0x752, 0xa, 0x4, 0x4e000, 0x200, {0x0, 0x7530}, {0x3, 0x8, 0x1, 0x6, 0x1, 0x7, "ddec3f00"}, 0x1d1, 0x6, @offset=0xffffffff, 0x1000, 0x0, r0}) ioctl$VIDIOC_S_PARM(r1, 0xc0cc5616, &(0x7f0000000180)={0x1, @capture={0x0, 0x1, {0x7fff, 0x9}, 0x10001, 0x1}}) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) [ 853.968244][ T578] block nbd0: shutting down sockets [ 853.988679][ T9049] block nbd5: Receive control failed (result -107) [ 854.059220][ T570] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 854.169955][ T572] block nbd5: shutting down sockets [ 854.279588][ T690] block nbd4: Device being setup by another task [ 854.373345][ T344] block nbd4: shutting down sockets [ 873.763117][ T0] NOHZ: local_softirq_pending 08 [ 886.562632][ T0] NOHZ: local_softirq_pending 08 [ 894.242966][ T0] NOHZ: local_softirq_pending 08 [ 895.523101][ T0] NOHZ: local_softirq_pending 08 [ 897.442529][ T0] NOHZ: local_softirq_pending 08 [ 915.362600][ T0] NOHZ: local_softirq_pending 08 [ 917.922608][ T0] NOHZ: local_softirq_pending 08 [ 948.002582][ T0] NOHZ: local_softirq_pending 08 [ 976.162615][ T0] NOHZ: local_softirq_pending 08 [ 1013.281961][ T1120] INFO: task syz-executor.4:344 blocked for more than 143 seconds. [ 1013.290500][ T1120] Not tainted 5.5.0-syzkaller #0 [ 1013.296110][ T1120] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1013.305558][ T1120] syz-executor.4 D28376 344 10633 0x00004004 [ 1013.312092][ T1120] Call Trace: [ 1013.315416][ T1120] __schedule+0x934/0x1f90 [ 1013.319911][ T1120] ? __sched_text_start+0x8/0x8 [ 1013.324846][ T1120] ? __kasan_check_read+0x11/0x20 [ 1013.329880][ T1120] ? __lock_acquire+0x16f2/0x4a00 [ 1013.335022][ T1120] schedule+0xdc/0x2b0 [ 1013.339101][ T1120] schedule_timeout+0x717/0xc50 [ 1013.344170][ T1120] ? find_held_lock+0x35/0x130 [ 1013.349173][ T1120] ? usleep_range+0x170/0x170 [ 1013.354694][ T1120] ? lock_downgrade+0x920/0x920 [ 1013.359585][ T1120] ? _raw_spin_unlock_irq+0x23/0x80 [ 1013.365073][ T1120] ? wait_for_completion+0x294/0x440 [ 1013.370396][ T1120] ? _raw_spin_unlock_irq+0x23/0x80 [ 1013.375721][ T1120] ? lockdep_hardirqs_on+0x421/0x5e0 [ 1013.381127][ T1120] ? trace_hardirqs_on+0x67/0x240 [ 1013.386251][ T1120] wait_for_completion+0x29c/0x440 [ 1013.391485][ T1120] ? wait_for_completion_interruptible+0x470/0x470 [ 1013.398168][ T1120] ? wake_up_q+0x140/0x140 [ 1013.402813][ T1120] ? flush_workqueue_prep_pwqs+0x29e/0x4f0 [ 1013.408631][ T1120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1013.415197][ T1120] flush_workqueue+0x40a/0x14c0 [ 1013.420153][ T1120] ? __dev_printk+0x202/0x20e [ 1013.424939][ T1120] ? _dev_warn+0xd7/0x109 [ 1013.429437][ T1120] ? pwq_unbound_release_workfn+0x2f0/0x2f0 [ 1013.436486][ T1120] ? tipc_shutdown+0x172/0x650 [ 1013.441412][ T1120] ? sock_shutdown+0x83/0x200 [ 1013.446260][ T1120] nbd_ioctl+0x817/0xc4b [ 1013.450671][ T1120] ? nbd_ioctl+0x817/0xc4b [ 1013.455193][ T1120] ? nbd_release+0x150/0x150 [ 1013.459797][ T1120] ? do_vfs_ioctl+0x11b/0x1350 [ 1013.465202][ T1120] ? finish_wait+0x260/0x260 [ 1013.469811][ T1120] ? ioctl_file_clone+0x180/0x180 [ 1013.475062][ T1120] ? selinux_file_mprotect+0x620/0x620 [ 1013.480588][ T1120] ? __fget_files+0x359/0x520 [ 1013.485590][ T1120] ? nbd_release+0x150/0x150 [ 1013.490311][ T1120] blkdev_ioctl+0x263/0x670 [ 1013.494955][ T1120] ? blkdev_common_ioctl+0x1810/0x1810 [ 1013.500492][ T1120] ? ns_to_kernel_old_timeval+0x100/0x100 [ 1013.506368][ T1120] block_ioctl+0xee/0x130 [ 1013.510843][ T1120] ? blkdev_fallocate+0x400/0x400 [ 1013.516154][ T1120] ksys_ioctl+0x123/0x180 [ 1013.520633][ T1120] __x64_sys_ioctl+0x73/0xb0 [ 1013.525355][ T1120] do_syscall_64+0xfa/0x790 [ 1013.529888][ T1120] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1013.535880][ T1120] RIP: 0033:0x45b399 [ 1013.539779][ T1120] Code: 48 89 44 24 08 c6 44 24 10 01 e8 32 0a fb ff 48 8b 44 24 18 83 3d 26 b5 bf 01 00 75 12 48 8b 4c 24 20 48 89 01 48 8b 6c 24 28 <48> 83 c4 30 c3 48 8b 7c 24 20 e8 58 39 00 00 eb ea 48 05 7f fc ff [ 1013.560042][ T1120] RSP: 002b:00007fafb4806c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1013.569313][ T1120] RAX: ffffffffffffffda RBX: 00007fafb48076d4 RCX: 000000000045b399 [ 1013.578172][ T1120] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 1013.586307][ T1120] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 1013.594362][ T1120] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1013.602453][ T1120] R13: 00000000000003fd R14: 00000000004c54fd R15: 000000000075bfd4 [ 1013.610460][ T1120] [ 1013.610460][ T1120] Showing all locks held in the system: [ 1013.618331][ T1120] 1 lock held by khungtaskd/1120: [ 1013.623957][ T1120] #0: ffffffff89baa840 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 1013.633410][ T1120] 2 locks held by getty/10576: [ 1013.638172][ T1120] #0: ffff888086bea090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1013.647654][ T1120] #1: ffffc900018ab2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1013.657403][ T1120] 2 locks held by getty/10577: [ 1013.662249][ T1120] #0: ffff8880a20b1090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1013.671203][ T1120] #1: ffffc900018db2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1013.681051][ T1120] 2 locks held by getty/10578: [ 1013.687489][ T1120] #0: ffff888091550090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1013.697836][ T1120] #1: ffffc9000189b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1013.707560][ T1120] 2 locks held by getty/10579: [ 1013.712396][ T1120] #0: ffff88809f6a0090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1013.721345][ T1120] #1: ffffc900018eb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1013.731519][ T1120] 2 locks held by getty/10580: [ 1013.736372][ T1120] #0: ffff8880a93c9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1013.745400][ T1120] #1: ffffc900018fb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1013.755271][ T1120] 2 locks held by getty/10581: [ 1013.760082][ T1120] #0: ffff88809f321090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1013.769133][ T1120] #1: ffffc900018cb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1013.778846][ T1120] 2 locks held by getty/10582: [ 1013.783713][ T1120] #0: ffff8880a2103090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 1013.793610][ T1120] #1: ffffc9000183b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 1013.803911][ T1120] 2 locks held by kworker/u5:1/20510: [ 1013.809287][ T1120] #0: ffff88809dba6928 ((wq_completion)knbd4-recv){+.+.}, at: process_one_work+0x8dd/0x17a0 [ 1013.819562][ T1120] #1: ffffc900044d7dc0 ((work_completion)(&args->work)){+.+.}, at: process_one_work+0x917/0x17a0 [ 1013.831151][ T1120] [ 1013.833560][ T1120] ============================================= [ 1013.833560][ T1120] [ 1013.842090][ T1120] NMI backtrace for cpu 0 [ 1013.846426][ T1120] CPU: 0 PID: 1120 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 1013.854299][ T1120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1013.864363][ T1120] Call Trace: [ 1013.867669][ T1120] dump_stack+0x197/0x210 [ 1013.871985][ T1120] nmi_cpu_backtrace.cold+0x70/0xb2 [ 1013.877183][ T1120] ? vprintk_func+0x86/0x189 [ 1013.881862][ T1120] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 1013.888080][ T1120] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 1013.894159][ T1120] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1013.900062][ T1120] watchdog+0xb11/0x10c0 [ 1013.904321][ T1120] kthread+0x361/0x430 [ 1013.908563][ T1120] ? reset_hung_task_detector+0x30/0x30 [ 1013.914116][ T1120] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 1013.919843][ T1120] ret_from_fork+0x24/0x30 [ 1013.924494][ T1120] Sending NMI from CPU 0 to CPUs 1: [ 1013.929812][ C1] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 [ 1013.931458][ T1120] Kernel panic - not syncing: hung_task: blocked tasks [ 1013.944925][ T1120] CPU: 0 PID: 1120 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 1013.953253][ T1120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1013.963450][ T1120] Call Trace: [ 1013.966882][ T1120] dump_stack+0x197/0x210 [ 1013.971429][ T1120] panic+0x2e3/0x75c [ 1013.975600][ T1120] ? add_taint.cold+0x16/0x16 [ 1013.980377][ T1120] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 1013.986029][ T1120] ? ___preempt_schedule+0x16/0x18 [ 1013.991244][ T1120] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 1013.997415][ T1120] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 1014.003639][ T1120] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 1014.009923][ T1120] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 1014.016192][ T1120] watchdog+0xb22/0x10c0 [ 1014.020439][ T1120] kthread+0x361/0x430 [ 1014.024635][ T1120] ? reset_hung_task_detector+0x30/0x30 [ 1014.030356][ T1120] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 1014.036132][ T1120] ret_from_fork+0x24/0x30 [ 1014.042333][ T1120] Kernel Offset: disabled [ 1014.046754][ T1120] Rebooting in 86400 seconds..