[ 212.277563] ? ioctl_preallocate+0x200/0x200 [ 212.282068] ? selinux_inode_link+0x20/0x20 [ 212.286396] ? __fget+0x356/0x510 [ 212.289859] ? do_dup2+0x450/0x450 [ 212.293387] ? vfs_write+0x393/0x540 [ 212.297705] ksys_ioctl+0x9b/0xc0 [ 212.301172] __x64_sys_ioctl+0x6f/0xb0 [ 212.305151] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 212.309892] do_syscall_64+0xf9/0x620 [ 212.313690] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.319074] RIP: 0033:0x45cb19 [ 212.322277] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 212.341507] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 08:19:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x125e, r1) 08:19:36 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x4}, 0x12160) [ 212.349762] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 212.357052] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 212.364498] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 212.371770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 212.379524] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 212.392390] block nbd5: Receive control failed (result -107) 08:19:36 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x4000000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:36 executing program 5 (fault-call:3 fault-nth:13): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 212.407941] block nbd5: shutting down sockets [ 212.504452] FAT-fs (loop2): bogus number of reserved sectors [ 212.518702] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:36 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xc626, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:36 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfc}, 0x12160) 08:19:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x125f, r1) [ 212.550222] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 212.563738] block nbd0: shutting down sockets [ 212.579454] FAULT_INJECTION: forcing a failure. [ 212.579454] name failslab, interval 1, probability 0, space 0, times 0 [ 212.586326] block nbd0: shutting down sockets [ 212.605152] CPU: 1 PID: 12540 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 212.613072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.622623] Call Trace: [ 212.625359] dump_stack+0x1fc/0x2fe [ 212.629044] should_fail.cold+0xa/0x14 [ 212.632940] ? setup_fault_attr+0x200/0x200 [ 212.637252] ? lock_acquire+0x170/0x3c0 [ 212.641411] __should_failslab+0x115/0x180 [ 212.645927] should_failslab+0x5/0xf [ 212.649915] kmem_cache_alloc+0x277/0x370 [ 212.654187] __d_alloc+0x2b/0xa10 [ 212.657769] d_alloc+0x4a/0x230 [ 212.661038] d_alloc_parallel+0xeb/0x19e0 [ 212.665271] ? mark_held_locks+0xf0/0xf0 [ 212.669322] ? __d_lookup_rcu+0x6b0/0x6b0 [ 212.673460] ? mark_held_locks+0xf0/0xf0 [ 212.677785] ? debug_check_no_obj_freed+0x201/0x482 [ 212.683449] ? mark_held_locks+0xf0/0xf0 [ 212.688041] ? __lockdep_init_map+0x100/0x5a0 [ 212.692526] ? __lockdep_init_map+0x100/0x5a0 [ 212.697114] __lookup_slow+0x18d/0x4a0 [ 212.701358] ? check_preemption_disabled+0x41/0x280 [ 212.706451] ? follow_dotdot_rcu+0x1040/0x1040 [ 212.711032] ? __d_lookup+0x411/0x710 [ 212.714840] ? d_lookup+0x18e/0x250 [ 212.718457] lookup_one_len+0x163/0x190 [ 212.722420] ? try_lookup_one_len+0x180/0x180 [ 212.727294] start_creating.part.0+0x62/0x160 [ 212.731885] __debugfs_create_file+0xb8/0x4e0 [ 212.736466] nbd_start_device+0x4a1/0xd50 [ 212.740867] ? security_capable+0x8f/0xc0 [ 212.745007] nbd_ioctl+0x62a/0xbe0 [ 212.748541] ? nbd_disconnect_and_put+0x270/0x270 [ 212.753379] ? avc_ss_reset+0x170/0x170 [ 212.757349] ? __lock_acquire+0x6de/0x3ff0 [ 212.761665] ? nbd_disconnect_and_put+0x270/0x270 [ 212.766512] blkdev_ioctl+0x5cb/0x1a7e [ 212.770390] ? blkpg_ioctl+0x9d0/0x9d0 [ 212.774267] ? get_pid_task+0xf4/0x190 [ 212.778142] ? mark_held_locks+0xf0/0xf0 [ 212.782188] ? proc_fail_nth_write+0x95/0x1d0 [ 212.786689] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 212.791629] block_ioctl+0xe9/0x130 [ 212.795269] ? blkdev_fallocate+0x3f0/0x3f0 [ 212.799601] do_vfs_ioctl+0xcdb/0x12e0 [ 212.803742] ? selinux_file_ioctl+0x506/0x6c0 [ 212.808241] ? ioctl_preallocate+0x200/0x200 [ 212.812639] ? selinux_inode_link+0x20/0x20 [ 212.817575] ? __fget+0x356/0x510 [ 212.821018] ? do_dup2+0x450/0x450 [ 212.824890] ? vfs_write+0x393/0x540 [ 212.828601] ksys_ioctl+0x9b/0xc0 [ 212.832159] __x64_sys_ioctl+0x6f/0xb0 [ 212.836037] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 212.840616] do_syscall_64+0xf9/0x620 [ 212.845188] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.850371] RIP: 0033:0x45cb19 [ 212.853551] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 212.872446] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 212.880144] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 212.887659] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 212.895000] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 08:19:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) [ 212.904363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 212.911617] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 212.922719] block nbd5: Receive control failed (result -107) [ 212.932065] block nbd5: shutting down sockets 08:19:36 executing program 5 (fault-call:3 fault-nth:14): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 212.957287] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 212.994969] FAT-fs (loop2): bogus number of reserved sectors 08:19:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1260, r1) [ 213.009278] FAT-fs (loop2): Can't find a valid FAT filesystem [ 213.009356] block nbd0: shutting down sockets 08:19:36 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x3f00}, 0x12160) 08:19:36 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x4800000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 213.055200] block nbd0: shutting down sockets 08:19:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1260) [ 213.091398] FAULT_INJECTION: forcing a failure. [ 213.091398] name failslab, interval 1, probability 0, space 0, times 0 [ 213.108037] FAT-fs (loop2): bogus number of reserved sectors [ 213.114630] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:36 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x80fe}, 0x12160) [ 213.140845] CPU: 0 PID: 12565 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 213.148853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.158219] Call Trace: [ 213.160830] dump_stack+0x1fc/0x2fe [ 213.164599] should_fail.cold+0xa/0x14 [ 213.168515] ? setup_fault_attr+0x200/0x200 [ 213.172859] ? lock_acquire+0x170/0x3c0 [ 213.176841] __should_failslab+0x115/0x180 [ 213.181077] should_failslab+0x5/0xf [ 213.184789] kmem_cache_alloc+0x277/0x370 [ 213.188934] __d_alloc+0x2b/0xa10 [ 213.192408] d_alloc+0x4a/0x230 [ 213.195698] d_alloc_parallel+0xeb/0x19e0 [ 213.199846] ? mark_held_locks+0xf0/0xf0 [ 213.203901] ? __d_lookup_rcu+0x6b0/0x6b0 [ 213.208068] ? mark_held_locks+0xf0/0xf0 [ 213.212138] ? debug_check_no_obj_freed+0x201/0x482 [ 213.217151] ? mark_held_locks+0xf0/0xf0 [ 213.221218] ? __lockdep_init_map+0x100/0x5a0 [ 213.225710] ? __lockdep_init_map+0x100/0x5a0 [ 213.230208] __lookup_slow+0x18d/0x4a0 [ 213.234297] ? check_preemption_disabled+0x41/0x280 [ 213.239309] ? follow_dotdot_rcu+0x1040/0x1040 [ 213.243978] ? __d_lookup+0x411/0x710 [ 213.247785] ? d_lookup+0x18e/0x250 [ 213.251420] lookup_one_len+0x163/0x190 [ 213.255395] ? try_lookup_one_len+0x180/0x180 [ 213.259888] start_creating.part.0+0x62/0x160 [ 213.264376] __debugfs_create_file+0xb8/0x4e0 [ 213.269035] nbd_start_device+0x4a1/0xd50 [ 213.273173] ? security_capable+0x8f/0xc0 [ 213.277392] nbd_ioctl+0x62a/0xbe0 [ 213.280958] ? nbd_disconnect_and_put+0x270/0x270 [ 213.285806] ? avc_ss_reset+0x170/0x170 [ 213.289789] ? __lock_acquire+0x6de/0x3ff0 [ 213.295432] ? nbd_disconnect_and_put+0x270/0x270 [ 213.300283] blkdev_ioctl+0x5cb/0x1a7e [ 213.304168] ? blkpg_ioctl+0x9d0/0x9d0 [ 213.308050] ? get_pid_task+0xf4/0x190 [ 213.311940] ? mark_held_locks+0xf0/0xf0 [ 213.316012] ? proc_fail_nth_write+0x95/0x1d0 [ 213.320660] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 213.325593] block_ioctl+0xe9/0x130 [ 213.329204] ? blkdev_fallocate+0x3f0/0x3f0 [ 213.333521] do_vfs_ioctl+0xcdb/0x12e0 [ 213.337422] ? selinux_file_ioctl+0x506/0x6c0 [ 213.341976] ? ioctl_preallocate+0x200/0x200 [ 213.346468] ? selinux_inode_link+0x20/0x20 [ 213.350788] ? __fget+0x356/0x510 [ 213.354242] ? do_dup2+0x450/0x450 [ 213.357776] ? vfs_write+0x393/0x540 [ 213.361516] ksys_ioctl+0x9b/0xc0 [ 213.364964] __x64_sys_ioctl+0x6f/0xb0 [ 213.368843] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 213.373425] do_syscall_64+0xf9/0x620 [ 213.377223] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.382404] RIP: 0033:0x45cb19 [ 213.385692] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 213.404798] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 213.413313] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 213.420585] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 213.427950] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 213.435214] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 08:19:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1261, r1) 08:19:37 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xcb26, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 213.442478] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 213.455326] block nbd5: Receive control failed (result -107) [ 213.473542] block nbd5: shutting down sockets 08:19:37 executing program 5 (fault-call:3 fault-nth:15): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1262, r1) [ 213.516447] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 213.540339] FAT-fs (loop2): bogus number of reserved sectors [ 213.547318] FAT-fs (loop2): Can't find a valid FAT filesystem [ 213.577220] FAULT_INJECTION: forcing a failure. [ 213.577220] name failslab, interval 1, probability 0, space 0, times 0 [ 213.588818] block nbd0: shutting down sockets [ 213.597277] CPU: 0 PID: 12593 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 213.597482] block nbd0: shutting down sockets [ 213.605271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.605277] Call Trace: [ 213.605305] dump_stack+0x1fc/0x2fe 08:19:37 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xc0fe}, 0x12160) [ 213.605329] should_fail.cold+0xa/0x14 [ 213.605346] ? setup_fault_attr+0x200/0x200 [ 213.605360] ? __d_lookup+0x411/0x710 [ 213.605378] __should_failslab+0x115/0x180 [ 213.605395] should_failslab+0x5/0xf [ 213.605411] kmem_cache_alloc+0x277/0x370 [ 213.605428] selinux_inode_alloc_security+0xb1/0x2a0 [ 213.605441] security_inode_alloc+0x67/0xc0 [ 213.605457] inode_init_always+0x5a3/0xb70 [ 213.663620] alloc_inode+0x7a/0x180 [ 213.667280] new_inode+0x1d/0xf0 [ 213.670663] debugfs_get_inode+0x1a/0x130 [ 213.674813] __debugfs_create_file+0x111/0x4e0 [ 213.680008] nbd_start_device+0x4a1/0xd50 [ 213.684169] ? security_capable+0x8f/0xc0 [ 213.688325] nbd_ioctl+0x62a/0xbe0 [ 213.691908] ? nbd_disconnect_and_put+0x270/0x270 [ 213.696776] ? avc_ss_reset+0x170/0x170 [ 213.700787] ? nbd_disconnect_and_put+0x270/0x270 [ 213.706067] blkdev_ioctl+0x5cb/0x1a7e [ 213.709942] ? blkpg_ioctl+0x9d0/0x9d0 [ 213.713819] ? lock_acquire+0x170/0x3c0 [ 213.717804] ? finish_task_switch+0x118/0x780 [ 213.722308] ? _raw_spin_unlock_irq+0x24/0x80 [ 213.726825] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 213.731764] ? _raw_spin_unlock_irq+0x5a/0x80 [ 213.736271] ? finish_task_switch+0x146/0x780 [ 213.740791] ? finish_task_switch+0x118/0x780 [ 213.745306] ? switch_mm_irqs_off+0x764/0x1340 [ 213.749896] block_ioctl+0xe9/0x130 [ 213.753522] ? blkdev_fallocate+0x3f0/0x3f0 [ 213.757866] do_vfs_ioctl+0xcdb/0x12e0 [ 213.761782] ? selinux_file_ioctl+0x506/0x6c0 [ 213.766316] ? ioctl_preallocate+0x200/0x200 [ 213.770812] ? selinux_inode_link+0x20/0x20 [ 213.775222] ? retint_kernel+0x2d/0x2d [ 213.779103] ksys_ioctl+0x9b/0xc0 [ 213.783872] __x64_sys_ioctl+0x6f/0xb0 [ 213.787745] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 213.792520] do_syscall_64+0xf9/0x620 [ 213.796331] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.803706] RIP: 0033:0x45cb19 [ 213.806905] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 08:19:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1263, r1) 08:19:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1261) [ 213.825971] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 213.834798] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 213.842090] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 213.849358] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 213.856807] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 213.864085] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 08:19:37 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x4c00000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 213.877163] block nbd5: Receive control failed (result -107) [ 213.932337] block nbd5: shutting down sockets [ 213.936901] block nbd0: shutting down sockets [ 213.941633] FAT-fs (loop2): bogus number of reserved sectors [ 213.942401] block nbd0: shutting down sockets [ 213.967258] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:37 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfc00}, 0x12160) 08:19:37 executing program 5 (fault-call:3 fault-nth:16): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1262) 08:19:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1264, r1) 08:19:37 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfe80}, 0x12160) [ 213.991089] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:37 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xedc0, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 214.069155] FAULT_INJECTION: forcing a failure. [ 214.069155] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 214.106609] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 214.108653] CPU: 0 PID: 12628 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 214.120351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.129751] Call Trace: [ 214.132359] dump_stack+0x1fc/0x2fe [ 214.136007] should_fail.cold+0xa/0x14 [ 214.139913] ? lock_acquire+0x170/0x3c0 [ 214.143900] ? setup_fault_attr+0x200/0x200 [ 214.148245] __alloc_pages_nodemask+0x239/0x2890 [ 214.153022] ? __lock_acquire+0x6de/0x3ff0 [ 214.157277] ? mark_held_locks+0xf0/0xf0 [ 214.161358] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 214.166214] ? mark_held_locks+0xf0/0xf0 [ 214.170301] ? mark_held_locks+0xf0/0xf0 [ 214.174372] ? simple_lookup+0xce/0x110 [ 214.178172] block nbd0: shutting down sockets [ 214.178347] ? mark_held_locks+0xf0/0xf0 [ 214.187000] ? inode_doinit_with_dentry+0x90c/0x10b0 [ 214.188469] block nbd0: shutting down sockets [ 214.192115] ? lock_downgrade+0x720/0x720 [ 214.192131] ? lockref_get+0x11/0x50 [ 214.192148] alloc_pages_current+0x193/0x2a0 [ 214.192164] __get_free_pages+0x8/0x40 [ 214.192176] inode_doinit_with_dentry+0x98d/0x10b0 08:19:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfec0}, 0x12160) [ 214.192192] ? selinux_capset+0x100/0x100 [ 214.192207] ? current_time+0x13c/0x1c0 [ 214.192219] ? igrab+0xb0/0xb0 [ 214.192233] selinux_d_instantiate+0x23/0x30 [ 214.192246] security_d_instantiate+0x50/0xe0 [ 214.192259] d_instantiate+0x5a/0x90 [ 214.192275] __debugfs_create_file+0x1dd/0x4e0 [ 214.246277] nbd_start_device+0x4a1/0xd50 [ 214.250626] ? security_capable+0x8f/0xc0 [ 214.254804] nbd_ioctl+0x62a/0xbe0 [ 214.258363] ? nbd_disconnect_and_put+0x270/0x270 [ 214.263217] ? avc_ss_reset+0x170/0x170 [ 214.267284] ? __lock_acquire+0x6de/0x3ff0 [ 214.271604] ? nbd_disconnect_and_put+0x270/0x270 [ 214.276437] blkdev_ioctl+0x5cb/0x1a7e [ 214.280313] ? blkpg_ioctl+0x9d0/0x9d0 [ 214.284211] ? get_pid_task+0xf4/0x190 [ 214.288099] ? mark_held_locks+0xf0/0xf0 [ 214.292179] ? proc_fail_nth_write+0x95/0x1d0 [ 214.296665] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 214.301612] block_ioctl+0xe9/0x130 [ 214.305254] ? blkdev_fallocate+0x3f0/0x3f0 [ 214.309577] do_vfs_ioctl+0xcdb/0x12e0 [ 214.313484] ? selinux_file_ioctl+0x506/0x6c0 [ 214.318018] ? ioctl_preallocate+0x200/0x200 [ 214.322431] ? selinux_inode_link+0x20/0x20 [ 214.326755] ? __fget+0x356/0x510 [ 214.330262] ? do_dup2+0x450/0x450 [ 214.333804] ? vfs_write+0x393/0x540 [ 214.337613] ksys_ioctl+0x9b/0xc0 [ 214.341077] __x64_sys_ioctl+0x6f/0xb0 [ 214.345077] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 214.349675] do_syscall_64+0xf9/0x620 [ 214.353481] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 214.358731] RIP: 0033:0x45cb19 [ 214.361939] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 214.380955] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 214.388842] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 214.396277] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 214.404551] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 214.412606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 08:19:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1263) 08:19:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1265, r1) [ 214.420103] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 214.434566] block nbd5: Receive control failed (result -107) [ 214.449221] block nbd5: shutting down sockets 08:19:38 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x6000000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:38 executing program 5 (fault-call:3 fault-nth:17): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 214.470812] FAT-fs (loop2): bogus number of reserved sectors [ 214.483745] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xff00}, 0x12160) 08:19:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1267, r1) [ 214.525562] block nbd0: shutting down sockets [ 214.539008] block nbd0: shutting down sockets 08:19:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1264) [ 214.583199] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 214.604327] FAULT_INJECTION: forcing a failure. [ 214.604327] name failslab, interval 1, probability 0, space 0, times 0 [ 214.619100] FAT-fs (loop2): bogus number of reserved sectors 08:19:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x40000}, 0x12160) [ 214.633355] FAT-fs (loop2): Can't find a valid FAT filesystem [ 214.645993] CPU: 0 PID: 12669 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 214.653911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.664404] Call Trace: [ 214.667011] dump_stack+0x1fc/0x2fe [ 214.670840] should_fail.cold+0xa/0x14 [ 214.674748] ? setup_fault_attr+0x200/0x200 [ 214.679087] ? lock_acquire+0x170/0x3c0 08:19:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1265) [ 214.683083] __should_failslab+0x115/0x180 [ 214.685585] block nbd0: shutting down sockets [ 214.687331] should_failslab+0x5/0xf [ 214.687347] kmem_cache_alloc+0x277/0x370 [ 214.687363] __d_alloc+0x2b/0xa10 [ 214.693301] block nbd0: shutting down sockets [ 214.695562] ? __lock_acquire+0x6de/0x3ff0 [ 214.695579] d_alloc+0x4a/0x230 [ 214.695595] d_alloc_parallel+0xeb/0x19e0 [ 214.720015] ? mark_held_locks+0xf0/0xf0 [ 214.724100] ? __d_lookup_rcu+0x6b0/0x6b0 [ 214.728357] ? mark_held_locks+0xf0/0xf0 08:19:38 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x6800000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 214.732446] ? __dentry_path.part.0+0x4cd/0x730 [ 214.737118] ? mark_held_locks+0xf0/0xf0 [ 214.741206] ? __lockdep_init_map+0x100/0x5a0 [ 214.745718] ? __lockdep_init_map+0x100/0x5a0 [ 214.750236] __lookup_slow+0x18d/0x4a0 [ 214.754138] ? check_preemption_disabled+0x41/0x280 [ 214.759176] ? follow_dotdot_rcu+0x1040/0x1040 [ 214.763764] ? __d_lookup+0x411/0x710 [ 214.767555] ? d_lookup+0x18e/0x250 [ 214.771174] lookup_one_len+0x163/0x190 [ 214.775134] ? try_lookup_one_len+0x180/0x180 [ 214.779622] start_creating.part.0+0x62/0x160 [ 214.784111] __debugfs_create_file+0xb8/0x4e0 [ 214.788624] debugfs_create_u64+0x6c/0xa0 [ 214.792834] nbd_start_device+0x4bc/0xd50 [ 214.797082] ? security_capable+0x8f/0xc0 [ 214.801328] nbd_ioctl+0x62a/0xbe0 [ 214.805042] ? nbd_disconnect_and_put+0x270/0x270 [ 214.810103] ? avc_ss_reset+0x170/0x170 [ 214.814075] ? __lock_acquire+0x6de/0x3ff0 [ 214.818302] ? nbd_disconnect_and_put+0x270/0x270 [ 214.823671] blkdev_ioctl+0x5cb/0x1a7e [ 214.827546] ? blkpg_ioctl+0x9d0/0x9d0 [ 214.831422] ? get_pid_task+0xf4/0x190 [ 214.835297] ? mark_held_locks+0xf0/0xf0 [ 214.839437] ? proc_fail_nth_write+0x95/0x1d0 [ 214.843926] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 214.848862] block_ioctl+0xe9/0x130 [ 214.852491] ? blkdev_fallocate+0x3f0/0x3f0 [ 214.856807] do_vfs_ioctl+0xcdb/0x12e0 [ 214.860702] ? selinux_file_ioctl+0x506/0x6c0 [ 214.865205] ? ioctl_preallocate+0x200/0x200 [ 214.870595] ? selinux_inode_link+0x20/0x20 [ 214.874913] ? __fget+0x356/0x510 [ 214.878360] ? do_dup2+0x450/0x450 [ 214.881973] ? vfs_write+0x393/0x540 [ 214.885846] ksys_ioctl+0x9b/0xc0 [ 214.889397] __x64_sys_ioctl+0x6f/0xb0 [ 214.893387] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 214.898010] do_syscall_64+0xf9/0x620 [ 214.901818] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 214.907006] RIP: 0033:0x45cb19 [ 214.910394] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 214.931284] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 214.939101] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 214.946496] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 214.953762] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 214.961206] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 214.970921] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 214.980978] block nbd5: Receive control failed (result -107) [ 214.993795] block nbd5: shutting down sockets 08:19:38 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xf803, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1268, r1) 08:19:38 executing program 5 (fault-call:3 fault-nth:18): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 215.077949] block nbd0: shutting down sockets [ 215.096350] block nbd0: shutting down sockets 08:19:38 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x1000000}, 0x12160) 08:19:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1267) [ 215.129474] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 215.154268] FAT-fs (loop2): bogus number of reserved sectors [ 215.155773] FAULT_INJECTION: forcing a failure. [ 215.155773] name failslab, interval 1, probability 0, space 0, times 0 08:19:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1269, r1) [ 215.194189] FAT-fs (loop2): Can't find a valid FAT filesystem [ 215.210364] CPU: 1 PID: 12702 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 215.212059] block nbd0: shutting down sockets [ 215.218376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.218382] Call Trace: [ 215.218409] dump_stack+0x1fc/0x2fe [ 215.218434] should_fail.cold+0xa/0x14 [ 215.218452] ? setup_fault_attr+0x200/0x200 [ 215.238146] block nbd0: shutting down sockets [ 215.238489] ? lock_acquire+0x170/0x3c0 [ 215.238514] __should_failslab+0x115/0x180 [ 215.238530] should_failslab+0x5/0xf [ 215.238547] kmem_cache_alloc+0x277/0x370 [ 215.267560] alloc_inode+0xab/0x180 [ 215.271202] new_inode+0x1d/0xf0 [ 215.274580] debugfs_get_inode+0x1a/0x130 [ 215.279001] __debugfs_create_file+0x111/0x4e0 [ 215.283604] debugfs_create_u64+0x6c/0xa0 [ 215.287779] nbd_start_device+0x4bc/0xd50 [ 215.291944] ? security_capable+0x8f/0xc0 [ 215.296112] nbd_ioctl+0x62a/0xbe0 [ 215.299675] ? nbd_disconnect_and_put+0x270/0x270 [ 215.304540] ? avc_ss_reset+0x170/0x170 [ 215.308623] ? __lock_acquire+0x6de/0x3ff0 [ 215.313242] ? nbd_disconnect_and_put+0x270/0x270 [ 215.318289] blkdev_ioctl+0x5cb/0x1a7e [ 215.322303] ? blkpg_ioctl+0x9d0/0x9d0 [ 215.326203] ? get_pid_task+0xf4/0x190 [ 215.330154] ? mark_held_locks+0xf0/0xf0 [ 215.334259] ? proc_fail_nth_write+0x95/0x1d0 [ 215.338766] ? proc_tgid_io_accounting+0x7f0/0x7f0 08:19:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1274, r1) 08:19:39 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x6c00000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1276, r1) 08:19:39 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x3f000000}, 0x12160) [ 215.343719] block_ioctl+0xe9/0x130 [ 215.347443] ? blkdev_fallocate+0x3f0/0x3f0 [ 215.351781] do_vfs_ioctl+0xcdb/0x12e0 [ 215.355766] ? selinux_file_ioctl+0x506/0x6c0 [ 215.360302] ? ioctl_preallocate+0x200/0x200 [ 215.364741] ? selinux_inode_link+0x20/0x20 [ 215.369093] ? __fget+0x356/0x510 [ 215.372569] ? do_dup2+0x450/0x450 [ 215.376803] ? vfs_write+0x393/0x540 [ 215.381122] ksys_ioctl+0x9b/0xc0 [ 215.386315] __x64_sys_ioctl+0x6f/0xb0 [ 215.390322] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 215.394895] do_syscall_64+0xf9/0x620 [ 215.399327] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 215.404508] RIP: 0033:0x45cb19 [ 215.407685] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 215.426724] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 215.435151] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 08:19:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1268) [ 215.442407] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 215.449810] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 215.457680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 215.466156] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 215.480798] block nbd5: Receive control failed (result -107) [ 215.492419] block nbd5: shutting down sockets 08:19:39 executing program 5 (fault-call:3 fault-nth:19): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 215.520952] FAT-fs (loop2): bogus number of reserved sectors [ 215.526966] FAT-fs (loop2): Can't find a valid FAT filesystem [ 215.552394] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 215.552793] block nbd0: shutting down sockets [ 215.587212] FAULT_INJECTION: forcing a failure. [ 215.587212] name failslab, interval 1, probability 0, space 0, times 0 [ 215.600601] CPU: 1 PID: 12739 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 215.608954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.618403] Call Trace: [ 215.621887] dump_stack+0x1fc/0x2fe [ 215.625510] should_fail.cold+0xa/0x14 [ 215.629406] ? setup_fault_attr+0x200/0x200 [ 215.633730] ? __d_lookup+0x411/0x710 [ 215.637616] __should_failslab+0x115/0x180 [ 215.642102] should_failslab+0x5/0xf [ 215.645819] kmem_cache_alloc+0x277/0x370 [ 215.649956] selinux_inode_alloc_security+0xb1/0x2a0 [ 215.655048] security_inode_alloc+0x67/0xc0 [ 215.659449] inode_init_always+0x5a3/0xb70 [ 215.664207] alloc_inode+0x7a/0x180 [ 215.667862] new_inode+0x1d/0xf0 [ 215.671565] debugfs_get_inode+0x1a/0x130 [ 215.675841] __debugfs_create_file+0x111/0x4e0 [ 215.680417] debugfs_create_u64+0x6c/0xa0 [ 215.684570] nbd_start_device+0x4bc/0xd50 [ 215.688704] ? security_capable+0x8f/0xc0 [ 215.693632] nbd_ioctl+0x62a/0xbe0 [ 215.697884] ? nbd_disconnect_and_put+0x270/0x270 [ 215.702716] ? avc_ss_reset+0x170/0x170 [ 215.706694] ? __lock_acquire+0x6de/0x3ff0 [ 215.710934] ? nbd_disconnect_and_put+0x270/0x270 [ 215.715768] blkdev_ioctl+0x5cb/0x1a7e [ 215.720602] ? blkpg_ioctl+0x9d0/0x9d0 [ 215.724474] ? get_pid_task+0xf4/0x190 [ 215.728364] ? mark_held_locks+0xf0/0xf0 [ 215.733206] ? proc_fail_nth_write+0x95/0x1d0 [ 215.737752] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 215.742782] block_ioctl+0xe9/0x130 [ 215.746399] ? blkdev_fallocate+0x3f0/0x3f0 [ 215.751229] do_vfs_ioctl+0xcdb/0x12e0 [ 215.756059] ? selinux_file_ioctl+0x506/0x6c0 [ 215.760541] ? ioctl_preallocate+0x200/0x200 [ 215.764979] ? selinux_inode_link+0x20/0x20 [ 215.769310] ? __fget+0x356/0x510 [ 215.772765] ? do_dup2+0x450/0x450 [ 215.776292] ? vfs_write+0x393/0x540 [ 215.780015] ksys_ioctl+0x9b/0xc0 [ 215.783671] __x64_sys_ioctl+0x6f/0xb0 [ 215.787553] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 215.792127] do_syscall_64+0xf9/0x620 [ 215.795935] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 215.801290] RIP: 0033:0x45cb19 [ 215.804476] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 215.823367] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 215.831595] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 215.845392] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 215.852651] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 215.860338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 215.867591] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 08:19:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1277, r1) 08:19:39 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xff0f, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:39 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfc000000}, 0x12160) 08:19:39 executing program 5 (fault-call:3 fault-nth:20): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 215.903690] block nbd5: Receive control failed (result -107) [ 215.911763] block nbd5: shutting down sockets 08:19:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1269) [ 215.976675] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1278, r1) 08:19:39 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x7400000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 216.022662] FAULT_INJECTION: forcing a failure. [ 216.022662] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 216.044468] CPU: 1 PID: 12758 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 216.052387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.062360] Call Trace: [ 216.064973] dump_stack+0x1fc/0x2fe [ 216.068623] should_fail.cold+0xa/0x14 [ 216.072531] ? lock_acquire+0x170/0x3c0 [ 216.076629] ? setup_fault_attr+0x200/0x200 [ 216.081068] __alloc_pages_nodemask+0x239/0x2890 [ 216.085847] ? __lock_acquire+0x6de/0x3ff0 [ 216.090126] ? mark_held_locks+0xf0/0xf0 [ 216.094207] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 216.099067] ? mark_held_locks+0xf0/0xf0 [ 216.103166] ? simple_lookup+0xce/0x110 [ 216.107592] ? mark_held_locks+0xf0/0xf0 [ 216.111677] ? inode_doinit_with_dentry+0x90c/0x10b0 [ 216.114340] block nbd0: shutting down sockets [ 216.117147] ? lock_downgrade+0x720/0x720 [ 216.117160] ? lockref_get+0x11/0x50 [ 216.117177] alloc_pages_current+0x193/0x2a0 [ 216.134717] __get_free_pages+0x8/0x40 [ 216.138621] inode_doinit_with_dentry+0x98d/0x10b0 [ 216.143921] ? selinux_capset+0x100/0x100 [ 216.148104] ? current_time+0x13c/0x1c0 [ 216.148423] block nbd0: shutting down sockets [ 216.152121] ? igrab+0xb0/0xb0 [ 216.152141] selinux_d_instantiate+0x23/0x30 [ 216.152155] security_d_instantiate+0x50/0xe0 [ 216.152168] d_instantiate+0x5a/0x90 [ 216.152185] __debugfs_create_file+0x1dd/0x4e0 [ 216.177018] debugfs_create_u64+0x6c/0xa0 [ 216.181189] nbd_start_device+0x4bc/0xd50 [ 216.185352] ? security_capable+0x8f/0xc0 [ 216.189523] nbd_ioctl+0x62a/0xbe0 [ 216.193080] ? nbd_disconnect_and_put+0x270/0x270 [ 216.197938] ? avc_ss_reset+0x170/0x170 [ 216.202151] ? __lock_acquire+0x6de/0x3ff0 [ 216.206493] ? nbd_disconnect_and_put+0x270/0x270 [ 216.211353] blkdev_ioctl+0x5cb/0x1a7e [ 216.215259] ? blkpg_ioctl+0x9d0/0x9d0 [ 216.219254] ? get_pid_task+0xf4/0x190 [ 216.223356] ? mark_held_locks+0xf0/0xf0 [ 216.227437] ? proc_fail_nth_write+0x95/0x1d0 [ 216.231953] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 216.236915] block_ioctl+0xe9/0x130 [ 216.244921] ? blkdev_fallocate+0x3f0/0x3f0 [ 216.249279] do_vfs_ioctl+0xcdb/0x12e0 [ 216.253201] ? selinux_file_ioctl+0x506/0x6c0 [ 216.257722] ? ioctl_preallocate+0x200/0x200 [ 216.262151] ? selinux_inode_link+0x20/0x20 [ 216.266522] ? __fget+0x356/0x510 [ 216.269995] ? do_dup2+0x450/0x450 [ 216.273554] ? vfs_write+0x393/0x540 [ 216.277300] ksys_ioctl+0x9b/0xc0 [ 216.282522] __x64_sys_ioctl+0x6f/0xb0 [ 216.287013] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 216.291619] do_syscall_64+0xf9/0x620 [ 216.295533] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 216.300922] RIP: 0033:0x45cb19 [ 216.304126] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 08:19:39 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfe800000}, 0x12160) 08:19:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x1279, r1) 08:19:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfec00000}, 0x12160) 08:19:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x127a, r1) 08:19:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xff000000}, 0x12160) 08:19:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x127b, r1) [ 216.323477] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 216.331215] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 216.338503] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 216.345900] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 216.353190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 216.361081] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 216.377016] FAT-fs (loop2): bogus number of reserved sectors [ 216.384841] FAT-fs (loop2): Can't find a valid FAT filesystem [ 216.425599] block nbd5: Receive control failed (result -107) [ 216.438818] block nbd5: shutting down sockets [ 216.467251] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 216.477241] FAT-fs (loop2): bogus number of reserved sectors [ 216.484648] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x4000000000000}, 0x12160) 08:19:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1274) 08:19:40 executing program 5 (fault-call:3 fault-nth:21): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:40 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x20000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x127c, r1) [ 216.564136] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 216.602743] block nbd0: shutting down sockets [ 216.610561] block nbd0: shutting down sockets [ 216.625503] FAULT_INJECTION: forcing a failure. [ 216.625503] name failslab, interval 1, probability 0, space 0, times 0 [ 216.646278] FAT-fs (loop2): bogus number of reserved sectors [ 216.659576] FAT-fs (loop2): Can't find a valid FAT filesystem [ 216.669660] CPU: 0 PID: 12813 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 216.677690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.687049] Call Trace: [ 216.689655] dump_stack+0x1fc/0x2fe [ 216.693281] should_fail.cold+0xa/0x14 [ 216.697278] ? setup_fault_attr+0x200/0x200 [ 216.701602] ? lock_acquire+0x170/0x3c0 [ 216.705592] __should_failslab+0x115/0x180 [ 216.710259] should_failslab+0x5/0xf [ 216.713960] kmem_cache_alloc+0x277/0x370 [ 216.718097] __d_alloc+0x2b/0xa10 [ 216.721554] d_alloc+0x4a/0x230 [ 216.724832] d_alloc_parallel+0xeb/0x19e0 [ 216.728972] ? mark_held_locks+0xf0/0xf0 [ 216.733107] ? __d_lookup_rcu+0x6b0/0x6b0 [ 216.737242] ? debug_check_no_obj_freed+0x201/0x482 [ 216.742262] ? mark_held_locks+0xf0/0xf0 [ 216.746322] ? __lockdep_init_map+0x100/0x5a0 [ 216.750819] ? __lockdep_init_map+0x100/0x5a0 [ 216.755310] __lookup_slow+0x18d/0x4a0 [ 216.759330] ? check_preemption_disabled+0x41/0x280 [ 216.764522] ? follow_dotdot_rcu+0x1040/0x1040 [ 216.769231] ? __d_lookup+0x411/0x710 [ 216.773055] ? d_lookup+0x18e/0x250 [ 216.776698] lookup_one_len+0x163/0x190 [ 216.780672] ? try_lookup_one_len+0x180/0x180 [ 216.785185] start_creating.part.0+0x62/0x160 [ 216.789700] __debugfs_create_file+0xb8/0x4e0 [ 216.794219] debugfs_create_u32+0x6c/0xa0 [ 216.798382] nbd_start_device+0x4d4/0xd50 [ 216.802533] ? security_capable+0x8f/0xc0 [ 216.806776] nbd_ioctl+0x62a/0xbe0 [ 216.810312] ? nbd_disconnect_and_put+0x270/0x270 [ 216.815147] ? avc_ss_reset+0x170/0x170 [ 216.819116] ? __lock_acquire+0x6de/0x3ff0 [ 216.823353] ? nbd_disconnect_and_put+0x270/0x270 [ 216.828197] blkdev_ioctl+0x5cb/0x1a7e [ 216.832105] ? blkpg_ioctl+0x9d0/0x9d0 [ 216.835981] ? get_pid_task+0xf4/0x190 [ 216.839865] ? mark_held_locks+0xf0/0xf0 [ 216.843923] ? proc_fail_nth_write+0x95/0x1d0 [ 216.848692] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 216.853639] block_ioctl+0xe9/0x130 [ 216.857263] ? blkdev_fallocate+0x3f0/0x3f0 [ 216.861593] do_vfs_ioctl+0xcdb/0x12e0 [ 216.865623] ? selinux_file_ioctl+0x506/0x6c0 [ 216.870228] ? ioctl_preallocate+0x200/0x200 [ 216.874719] ? selinux_inode_link+0x20/0x20 [ 216.879039] ? __fget+0x356/0x510 [ 216.882499] ? do_dup2+0x450/0x450 [ 216.886038] ? vfs_write+0x393/0x540 [ 216.889801] ksys_ioctl+0x9b/0xc0 [ 216.893268] __x64_sys_ioctl+0x6f/0xb0 [ 216.897158] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 216.901975] do_syscall_64+0xf9/0x620 [ 216.905790] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 216.910981] RIP: 0033:0x45cb19 [ 216.914169] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 216.933755] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 216.941466] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 216.948757] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 216.956019] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 08:19:40 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x7a00000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x127d, r1) 08:19:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1276) [ 216.963285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 216.970559] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 216.987761] block nbd5: Receive control failed (result -107) [ 217.000679] block nbd5: shutting down sockets 08:19:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x100000000000000}, 0x12160) [ 217.026157] FAT-fs (loop2): bogus number of reserved sectors [ 217.039102] FAT-fs (loop2): Can't find a valid FAT filesystem [ 217.049455] block nbd0: shutting down sockets 08:19:40 executing program 5 (fault-call:3 fault-nth:22): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x127e, r1) 08:19:40 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x3a6c8, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 217.072134] block nbd0: shutting down sockets 08:19:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1277) 08:19:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x3f00000000000000}, 0x12160) 08:19:41 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x7fffffffffffffff, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 217.156338] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x127f, r1) 08:19:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfc00000000000000}, 0x12160) [ 217.228327] block nbd0: shutting down sockets [ 217.241439] block nbd0: shutting down sockets [ 217.246406] FAULT_INJECTION: forcing a failure. [ 217.246406] name failslab, interval 1, probability 0, space 0, times 0 [ 217.278088] CPU: 0 PID: 12854 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 217.286019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.290516] FAT-fs (loop2): bogus number of reserved sectors [ 217.295381] Call Trace: [ 217.295410] dump_stack+0x1fc/0x2fe [ 217.295432] should_fail.cold+0xa/0x14 [ 217.295450] ? setup_fault_attr+0x200/0x200 [ 217.315652] ? lock_acquire+0x170/0x3c0 [ 217.319212] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1278) [ 217.319639] __should_failslab+0x115/0x180 [ 217.329944] should_failslab+0x5/0xf [ 217.333680] kmem_cache_alloc+0x277/0x370 [ 217.337893] alloc_inode+0xab/0x180 [ 217.341540] new_inode+0x1d/0xf0 [ 217.344920] debugfs_get_inode+0x1a/0x130 [ 217.349257] __debugfs_create_file+0x111/0x4e0 [ 217.353856] debugfs_create_u32+0x6c/0xa0 [ 217.358020] nbd_start_device+0x4d4/0xd50 [ 217.362194] ? security_capable+0x8f/0xc0 [ 217.366361] nbd_ioctl+0x62a/0xbe0 [ 217.369946] ? nbd_disconnect_and_put+0x270/0x270 [ 217.374803] ? avc_ss_reset+0x170/0x170 08:19:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x4b47, r1) [ 217.378801] ? __lock_acquire+0x6de/0x3ff0 [ 217.383074] ? nbd_disconnect_and_put+0x270/0x270 [ 217.388101] blkdev_ioctl+0x5cb/0x1a7e [ 217.392030] ? blkpg_ioctl+0x9d0/0x9d0 [ 217.395930] ? get_pid_task+0xf4/0x190 [ 217.399921] ? mark_held_locks+0xf0/0xf0 [ 217.404094] ? proc_fail_nth_write+0x95/0x1d0 [ 217.408605] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 217.413577] block_ioctl+0xe9/0x130 [ 217.417218] ? blkdev_fallocate+0x3f0/0x3f0 [ 217.421555] do_vfs_ioctl+0xcdb/0x12e0 08:19:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfe80000000000000}, 0x12160) [ 217.425462] ? selinux_file_ioctl+0x506/0x6c0 [ 217.430124] ? ioctl_preallocate+0x200/0x200 [ 217.434648] ? selinux_inode_link+0x20/0x20 [ 217.438996] ? __fget+0x356/0x510 [ 217.442520] ? do_dup2+0x450/0x450 [ 217.446076] ? vfs_write+0x393/0x540 [ 217.449812] ksys_ioctl+0x9b/0xc0 [ 217.453293] __x64_sys_ioctl+0x6f/0xb0 [ 217.457215] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 217.461822] do_syscall_64+0xf9/0x620 [ 217.465648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.470852] RIP: 0033:0x45cb19 [ 217.474059] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 217.476810] block nbd0: shutting down sockets [ 217.492968] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 217.492981] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 217.492990] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 217.492997] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 217.493005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 217.493013] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 217.516597] block nbd5: Receive control failed (result -107) [ 217.525602] block nbd0: shutting down sockets [ 217.530639] block nbd5: shutting down sockets [ 217.568845] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 217.577393] FAT-fs (loop2): bogus number of reserved sectors [ 217.585602] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1279) 08:19:41 executing program 5 (fault-call:3 fault-nth:23): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x4b49, r1) 08:19:41 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x3a708, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xfec0000000000000}, 0x12160) [ 217.656873] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127a) [ 217.702791] block nbd0: shutting down sockets [ 217.708224] block nbd0: shutting down sockets [ 217.716783] FAULT_INJECTION: forcing a failure. [ 217.716783] name failslab, interval 1, probability 0, space 0, times 0 [ 217.731912] CPU: 1 PID: 12896 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 217.739917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.749290] Call Trace: [ 217.751948] dump_stack+0x1fc/0x2fe [ 217.755612] should_fail.cold+0xa/0x14 [ 217.759521] ? setup_fault_attr+0x200/0x200 [ 217.763948] ? __d_lookup+0x411/0x710 [ 217.767774] __should_failslab+0x115/0x180 [ 217.772117] should_failslab+0x5/0xf [ 217.775845] kmem_cache_alloc+0x277/0x370 [ 217.780010] selinux_inode_alloc_security+0xb1/0x2a0 [ 217.785127] security_inode_alloc+0x67/0xc0 [ 217.789475] inode_init_always+0x5a3/0xb70 [ 217.793732] alloc_inode+0x7a/0x180 [ 217.797378] new_inode+0x1d/0xf0 [ 217.800763] debugfs_get_inode+0x1a/0x130 [ 217.804931] __debugfs_create_file+0x111/0x4e0 [ 217.809981] debugfs_create_u32+0x6c/0xa0 [ 217.814157] nbd_start_device+0x4d4/0xd50 [ 217.818327] ? security_capable+0x8f/0xc0 [ 217.822510] nbd_ioctl+0x62a/0xbe0 [ 217.826075] ? nbd_disconnect_and_put+0x270/0x270 [ 217.831086] ? avc_ss_reset+0x170/0x170 [ 217.835342] ? __lock_acquire+0x6de/0x3ff0 [ 217.839610] ? nbd_disconnect_and_put+0x270/0x270 [ 217.844692] blkdev_ioctl+0x5cb/0x1a7e [ 217.848605] ? blkpg_ioctl+0x9d0/0x9d0 [ 217.852515] ? get_pid_task+0xf4/0x190 [ 217.856425] ? mark_held_locks+0xf0/0xf0 [ 217.860512] ? proc_fail_nth_write+0x95/0x1d0 [ 217.865827] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 217.871229] block_ioctl+0xe9/0x130 [ 217.874983] ? blkdev_fallocate+0x3f0/0x3f0 [ 217.879508] do_vfs_ioctl+0xcdb/0x12e0 [ 217.883852] ? selinux_file_ioctl+0x506/0x6c0 [ 217.888533] ? ioctl_preallocate+0x200/0x200 [ 217.893091] ? selinux_inode_link+0x20/0x20 [ 217.897443] ? __fget+0x356/0x510 [ 217.901149] ? do_dup2+0x450/0x450 [ 217.904715] ? vfs_write+0x393/0x540 [ 217.908486] ksys_ioctl+0x9b/0xc0 [ 217.911973] __x64_sys_ioctl+0x6f/0xb0 [ 217.916036] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 217.921278] do_syscall_64+0xf9/0x620 [ 217.925198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.930682] RIP: 0033:0x45cb19 [ 217.933906] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 217.952940] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 217.960677] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 217.968051] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 217.975374] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 217.982768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 217.990073] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 08:19:41 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x84c8020000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x541b, r1) 08:19:41 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xff00000000000000}, 0x12160) 08:19:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127b) [ 218.099195] FAT-fs (loop2): bogus number of reserved sectors [ 218.112292] block nbd0: shutting down sockets [ 218.126453] block nbd0: shutting down sockets [ 218.134616] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 218.142960] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:42 executing program 5 (fault-call:3 fault-nth:24): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:42 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5421, r1) [ 218.178051] block nbd5: Receive control failed (result -107) [ 218.205479] block nbd5: shutting down sockets [ 218.283314] FAT-fs (loop2): bogus number of reserved sectors [ 218.291027] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 218.297043] FAT-fs (loop2): Can't find a valid FAT filesystem [ 218.306419] block nbd0: shutting down sockets [ 218.316772] block nbd0: shutting down sockets 08:19:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5450, r1) [ 218.330134] FAULT_INJECTION: forcing a failure. [ 218.330134] name fail_page_alloc, interval 1, probability 0, space 0, times 0 08:19:42 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x40000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:42 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x8cffffff00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:42 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x12160) [ 218.400475] CPU: 1 PID: 12938 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 218.408964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.418766] Call Trace: [ 218.421389] dump_stack+0x1fc/0x2fe [ 218.425053] should_fail.cold+0xa/0x14 [ 218.429221] ? lock_acquire+0x170/0x3c0 [ 218.433314] ? setup_fault_attr+0x200/0x200 [ 218.437671] __alloc_pages_nodemask+0x239/0x2890 [ 218.442793] ? __lock_acquire+0x6de/0x3ff0 [ 218.447198] ? mark_held_locks+0xf0/0xf0 [ 218.451286] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 218.456258] ? mark_held_locks+0xf0/0xf0 [ 218.460472] ? simple_lookup+0xce/0x110 [ 218.464457] ? mark_held_locks+0xf0/0xf0 [ 218.468516] ? inode_doinit_with_dentry+0x90c/0x10b0 [ 218.473613] ? lock_downgrade+0x720/0x720 [ 218.477751] ? lockref_get+0x11/0x50 [ 218.481549] alloc_pages_current+0x193/0x2a0 [ 218.485986] __get_free_pages+0x8/0x40 [ 218.490038] inode_doinit_with_dentry+0x98d/0x10b0 [ 218.494966] ? selinux_capset+0x100/0x100 [ 218.499103] ? current_time+0x13c/0x1c0 [ 218.504738] ? igrab+0xb0/0xb0 [ 218.507940] selinux_d_instantiate+0x23/0x30 [ 218.512470] security_d_instantiate+0x50/0xe0 [ 218.517146] d_instantiate+0x5a/0x90 [ 218.521027] __debugfs_create_file+0x1dd/0x4e0 [ 218.525733] debugfs_create_u32+0x6c/0xa0 [ 218.529890] nbd_start_device+0x4d4/0xd50 [ 218.534041] ? security_capable+0x8f/0xc0 [ 218.538201] nbd_ioctl+0x62a/0xbe0 [ 218.541738] ? nbd_disconnect_and_put+0x270/0x270 [ 218.546579] ? avc_ss_reset+0x170/0x170 [ 218.550633] ? __lock_acquire+0x6de/0x3ff0 [ 218.554855] ? nbd_disconnect_and_put+0x270/0x270 [ 218.559684] blkdev_ioctl+0x5cb/0x1a7e [ 218.563713] ? blkpg_ioctl+0x9d0/0x9d0 [ 218.567685] ? get_pid_task+0xf4/0x190 [ 218.571565] ? mark_held_locks+0xf0/0xf0 [ 218.575620] ? proc_fail_nth_write+0x95/0x1d0 [ 218.580622] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 218.585636] block_ioctl+0xe9/0x130 [ 218.589257] ? blkdev_fallocate+0x3f0/0x3f0 [ 218.593573] do_vfs_ioctl+0xcdb/0x12e0 [ 218.597453] ? selinux_file_ioctl+0x506/0x6c0 [ 218.602053] ? ioctl_preallocate+0x200/0x200 [ 218.606480] ? selinux_inode_link+0x20/0x20 [ 218.610828] ? __fget+0x356/0x510 [ 218.614355] ? do_dup2+0x450/0x450 [ 218.617987] ? vfs_write+0x393/0x540 [ 218.621732] ksys_ioctl+0x9b/0xc0 [ 218.625310] __x64_sys_ioctl+0x6f/0xb0 [ 218.629296] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 218.633880] do_syscall_64+0xf9/0x620 [ 218.637856] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.643130] RIP: 0033:0x45cb19 [ 218.646309] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 218.666058] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 218.673918] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 218.681436] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 218.688709] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 08:19:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127c) [ 218.697126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 218.704448] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 218.724132] block nbd5: Receive control failed (result -107) [ 218.734359] block nbd5: shutting down sockets [ 218.812476] block nbd0: shutting down sockets 08:19:42 executing program 5 (fault-call:3 fault-nth:25): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5451, r1) [ 218.836100] FAT-fs (loop2): bogus number of reserved sectors [ 218.858252] block nbd0: shutting down sockets [ 218.875160] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127d) 08:19:42 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xfc}, 0x12160) [ 218.899503] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 218.949839] FAULT_INJECTION: forcing a failure. [ 218.949839] name failslab, interval 1, probability 0, space 0, times 0 [ 218.961498] CPU: 1 PID: 12976 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 218.969393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.978916] Call Trace: [ 218.981508] dump_stack+0x1fc/0x2fe [ 218.985129] should_fail.cold+0xa/0x14 [ 218.989024] ? setup_fault_attr+0x200/0x200 [ 218.993367] ? lock_acquire+0x170/0x3c0 [ 218.997452] __should_failslab+0x115/0x180 [ 219.001688] should_failslab+0x5/0xf [ 219.005426] kmem_cache_alloc+0x277/0x370 [ 219.009620] __d_alloc+0x2b/0xa10 [ 219.013249] d_alloc+0x4a/0x230 [ 219.016802] d_alloc_parallel+0xeb/0x19e0 [ 219.021042] ? mark_held_locks+0xf0/0xf0 [ 219.025099] ? __d_lookup_rcu+0x6b0/0x6b0 [ 219.029237] ? debug_check_no_obj_freed+0x201/0x482 [ 219.035564] ? mark_held_locks+0xf0/0xf0 [ 219.039714] ? __lockdep_init_map+0x100/0x5a0 [ 219.044202] ? __lockdep_init_map+0x100/0x5a0 [ 219.048779] __lookup_slow+0x18d/0x4a0 [ 219.052675] ? check_preemption_disabled+0x41/0x280 [ 219.057723] ? follow_dotdot_rcu+0x1040/0x1040 [ 219.062302] ? __d_lookup+0x411/0x710 [ 219.066098] ? d_lookup+0x18e/0x250 [ 219.069733] lookup_one_len+0x163/0x190 [ 219.074174] ? try_lookup_one_len+0x180/0x180 [ 219.078676] start_creating.part.0+0x62/0x160 [ 219.083163] __debugfs_create_file+0xb8/0x4e0 [ 219.087764] debugfs_create_u64+0x6c/0xa0 [ 219.091914] nbd_start_device+0x4ef/0xd50 [ 219.096159] ? security_capable+0x8f/0xc0 [ 219.100312] nbd_ioctl+0x62a/0xbe0 [ 219.103960] ? nbd_disconnect_and_put+0x270/0x270 [ 219.108968] ? avc_ss_reset+0x170/0x170 [ 219.113120] ? __lock_acquire+0x6de/0x3ff0 [ 219.117740] ? nbd_disconnect_and_put+0x270/0x270 [ 219.122619] blkdev_ioctl+0x5cb/0x1a7e [ 219.126513] ? blkpg_ioctl+0x9d0/0x9d0 [ 219.130410] ? get_pid_task+0xf4/0x190 [ 219.135253] ? mark_held_locks+0xf0/0xf0 [ 219.139533] ? proc_fail_nth_write+0x95/0x1d0 [ 219.144758] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 219.149773] block_ioctl+0xe9/0x130 [ 219.153450] ? blkdev_fallocate+0x3f0/0x3f0 [ 219.157763] do_vfs_ioctl+0xcdb/0x12e0 [ 219.161642] ? selinux_file_ioctl+0x506/0x6c0 [ 219.166162] ? ioctl_preallocate+0x200/0x200 [ 219.170595] ? selinux_inode_link+0x20/0x20 [ 219.174926] ? __fget+0x356/0x510 [ 219.178379] ? do_dup2+0x450/0x450 [ 219.181921] ? vfs_write+0x393/0x540 [ 219.185660] ksys_ioctl+0x9b/0xc0 [ 219.189214] __x64_sys_ioctl+0x6f/0xb0 [ 219.193097] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 219.197705] do_syscall_64+0xf9/0x620 [ 219.201533] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.206716] RIP: 0033:0x45cb19 [ 219.209905] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 219.229223] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 219.237129] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 08:19:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5452, r1) [ 219.244461] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 219.251756] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 219.259452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 219.266887] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 08:19:43 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xe0000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 219.319709] block nbd5: Receive control failed (result -107) [ 219.329036] block nbd5: shutting down sockets [ 219.349834] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:43 executing program 5 (fault-call:3 fault-nth:26): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:43 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0x3f00}, 0x12160) [ 219.369830] block nbd0: shutting down sockets [ 219.378480] block nbd0: shutting down sockets 08:19:43 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x97ffffff00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x5460, r1) 08:19:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127e) [ 219.447080] FAT-fs (loop2): bogus number of reserved sectors [ 219.469805] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:43 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0x80fe}, 0x12160) [ 219.557171] FAULT_INJECTION: forcing a failure. [ 219.557171] name failslab, interval 1, probability 0, space 0, times 0 [ 219.581103] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab01, r1) [ 219.616036] block nbd0: shutting down sockets [ 219.617258] CPU: 1 PID: 13005 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 219.628550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.629286] block nbd0: shutting down sockets [ 219.638033] Call Trace: [ 219.638058] dump_stack+0x1fc/0x2fe [ 219.638078] should_fail.cold+0xa/0x14 [ 219.638094] ? setup_fault_attr+0x200/0x200 [ 219.638109] ? lock_acquire+0x170/0x3c0 [ 219.638127] __should_failslab+0x115/0x180 [ 219.638146] should_failslab+0x5/0xf [ 219.670443] kmem_cache_alloc+0x277/0x370 [ 219.674859] alloc_inode+0xab/0x180 [ 219.678578] new_inode+0x1d/0xf0 [ 219.682055] debugfs_get_inode+0x1a/0x130 [ 219.686911] __debugfs_create_file+0x111/0x4e0 [ 219.691606] debugfs_create_u64+0x6c/0xa0 [ 219.695749] nbd_start_device+0x4ef/0xd50 [ 219.700044] ? security_capable+0x8f/0xc0 [ 219.704292] nbd_ioctl+0x62a/0xbe0 [ 219.707843] ? nbd_disconnect_and_put+0x270/0x270 [ 219.712683] ? avc_ss_reset+0x170/0x170 [ 219.716647] ? __lock_acquire+0x6de/0x3ff0 [ 219.721028] ? nbd_disconnect_and_put+0x270/0x270 [ 219.725899] blkdev_ioctl+0x5cb/0x1a7e [ 219.729782] ? blkpg_ioctl+0x9d0/0x9d0 [ 219.733708] ? get_pid_task+0xf4/0x190 [ 219.737689] ? mark_held_locks+0xf0/0xf0 [ 219.741740] ? proc_fail_nth_write+0x95/0x1d0 [ 219.746321] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 219.751257] block_ioctl+0xe9/0x130 [ 219.754894] ? blkdev_fallocate+0x3f0/0x3f0 [ 219.759570] do_vfs_ioctl+0xcdb/0x12e0 [ 219.763483] ? selinux_file_ioctl+0x506/0x6c0 [ 219.767974] ? ioctl_preallocate+0x200/0x200 [ 219.772569] ? selinux_inode_link+0x20/0x20 [ 219.776917] ? __fget+0x356/0x510 [ 219.780369] ? do_dup2+0x450/0x450 [ 219.783901] ? vfs_write+0x393/0x540 [ 219.787733] ksys_ioctl+0x9b/0xc0 [ 219.791193] __x64_sys_ioctl+0x6f/0xb0 [ 219.795117] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 219.799835] do_syscall_64+0xf9/0x620 [ 219.803863] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.809047] RIP: 0033:0x45cb19 [ 219.812233] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 219.831128] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 219.838952] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 219.846209] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 219.853810] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 08:19:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127f) 08:19:43 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x1fffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 219.861772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 219.869838] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 219.916066] block nbd5: Receive control failed (result -107) [ 219.939562] block nbd5: shutting down sockets [ 219.960188] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:43 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xc0fe}, 0x12160) 08:19:43 executing program 5 (fault-call:3 fault-nth:27): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 219.980483] block nbd0: shutting down sockets [ 219.986989] block nbd0: shutting down sockets 08:19:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab02, r1) 08:19:43 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xcc08000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x4b47) [ 220.029915] FAT-fs (loop2): bogus number of reserved sectors [ 220.040634] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:43 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xfc00}, 0x12160) 08:19:43 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6b6b6b, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 220.122365] FAULT_INJECTION: forcing a failure. [ 220.122365] name failslab, interval 1, probability 0, space 0, times 0 [ 220.157759] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 220.164787] CPU: 0 PID: 13046 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 220.172705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.182075] Call Trace: [ 220.184691] dump_stack+0x1fc/0x2fe [ 220.188351] should_fail.cold+0xa/0x14 [ 220.192266] ? setup_fault_attr+0x200/0x200 [ 220.197051] ? __d_lookup+0x411/0x710 [ 220.200886] __should_failslab+0x115/0x180 [ 220.205148] should_failslab+0x5/0xf [ 220.208889] kmem_cache_alloc+0x277/0x370 [ 220.213068] selinux_inode_alloc_security+0xb1/0x2a0 [ 220.218412] security_inode_alloc+0x67/0xc0 [ 220.222772] inode_init_always+0x5a3/0xb70 [ 220.227025] alloc_inode+0x7a/0x180 [ 220.227768] block nbd0: shutting down sockets [ 220.230661] new_inode+0x1d/0xf0 [ 220.230677] debugfs_get_inode+0x1a/0x130 [ 220.230690] __debugfs_create_file+0x111/0x4e0 [ 220.230708] debugfs_create_u64+0x6c/0xa0 [ 220.230724] nbd_start_device+0x4ef/0xd50 [ 220.230739] ? security_capable+0x8f/0xc0 [ 220.230758] nbd_ioctl+0x62a/0xbe0 [ 220.230776] ? nbd_disconnect_and_put+0x270/0x270 [ 220.230792] ? avc_ss_reset+0x170/0x170 08:19:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab03, r1) 08:19:44 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xfe80}, 0x12160) [ 220.230809] ? __lock_acquire+0x6de/0x3ff0 [ 220.230826] ? nbd_disconnect_and_put+0x270/0x270 [ 220.237700] block nbd0: shutting down sockets [ 220.238711] blkdev_ioctl+0x5cb/0x1a7e [ 220.238725] ? blkpg_ioctl+0x9d0/0x9d0 [ 220.238741] ? get_pid_task+0xf4/0x190 [ 220.299151] ? mark_held_locks+0xf0/0xf0 [ 220.303234] ? proc_fail_nth_write+0x95/0x1d0 [ 220.307941] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 220.312908] block_ioctl+0xe9/0x130 [ 220.316542] ? blkdev_fallocate+0x3f0/0x3f0 [ 220.320869] do_vfs_ioctl+0xcdb/0x12e0 [ 220.324769] ? selinux_file_ioctl+0x506/0x6c0 [ 220.329265] ? ioctl_preallocate+0x200/0x200 [ 220.333683] ? selinux_inode_link+0x20/0x20 [ 220.338233] ? __fget+0x356/0x510 [ 220.341976] ? do_dup2+0x450/0x450 [ 220.345536] ? vfs_write+0x393/0x540 [ 220.349446] ksys_ioctl+0x9b/0xc0 [ 220.352934] __x64_sys_ioctl+0x6f/0xb0 [ 220.356911] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 220.361582] do_syscall_64+0xf9/0x620 [ 220.365477] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 220.370664] RIP: 0033:0x45cb19 [ 220.373862] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 220.393732] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 220.401671] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 220.409184] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 220.416548] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 08:19:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x4b49) [ 220.423828] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 220.431195] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 220.442845] block nbd5: Receive control failed (result -107) [ 220.452304] block nbd5: shutting down sockets 08:19:44 executing program 5 (fault-call:3 fault-nth:28): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x541b) 08:19:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab04, r1) [ 220.485659] FAT-fs (loop2): bogus number of reserved sectors [ 220.497719] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 220.502890] FAT-fs (loop2): Can't find a valid FAT filesystem [ 220.518270] block nbd0: shutting down sockets [ 220.524922] block nbd0: shutting down sockets 08:19:44 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xcd08000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:44 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xfec0}, 0x12160) [ 220.600372] FAT-fs (loop2): bogus number of reserved sectors [ 220.606755] FAT-fs (loop2): Can't find a valid FAT filesystem [ 220.636081] FAULT_INJECTION: forcing a failure. [ 220.636081] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 220.650117] CPU: 0 PID: 13086 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 220.658126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.667498] Call Trace: [ 220.670109] dump_stack+0x1fc/0x2fe [ 220.673769] should_fail.cold+0xa/0x14 [ 220.677071] block nbd0: shutting down sockets [ 220.677681] ? lock_acquire+0x170/0x3c0 [ 220.677699] ? setup_fault_attr+0x200/0x200 [ 220.677722] __alloc_pages_nodemask+0x239/0x2890 [ 220.687026] block nbd0: shutting down sockets 08:19:44 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xff00}, 0x12160) [ 220.690627] ? __lock_acquire+0x6de/0x3ff0 [ 220.690647] ? mark_held_locks+0xf0/0xf0 [ 220.690664] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 220.690679] ? mark_held_locks+0xf0/0xf0 [ 220.690699] ? simple_lookup+0xce/0x110 [ 220.690713] ? mark_held_locks+0xf0/0xf0 [ 220.690728] ? inode_doinit_with_dentry+0x90c/0x10b0 [ 220.690746] ? lock_downgrade+0x720/0x720 [ 220.690758] ? lockref_get+0x11/0x50 [ 220.690787] alloc_pages_current+0x193/0x2a0 [ 220.744604] __get_free_pages+0x8/0x40 [ 220.748508] inode_doinit_with_dentry+0x98d/0x10b0 [ 220.753466] ? selinux_capset+0x100/0x100 [ 220.757640] ? current_time+0x13c/0x1c0 [ 220.761901] ? igrab+0xb0/0xb0 [ 220.765095] selinux_d_instantiate+0x23/0x30 [ 220.769503] security_d_instantiate+0x50/0xe0 [ 220.774090] d_instantiate+0x5a/0x90 [ 220.777808] __debugfs_create_file+0x1dd/0x4e0 [ 220.782539] debugfs_create_u64+0x6c/0xa0 [ 220.786803] nbd_start_device+0x4ef/0xd50 [ 220.791832] ? security_capable+0x8f/0xc0 [ 220.795973] nbd_ioctl+0x62a/0xbe0 [ 220.799510] ? nbd_disconnect_and_put+0x270/0x270 [ 220.804532] ? avc_ss_reset+0x170/0x170 [ 220.808538] ? __lock_acquire+0x6de/0x3ff0 [ 220.812770] ? nbd_disconnect_and_put+0x270/0x270 [ 220.817602] blkdev_ioctl+0x5cb/0x1a7e [ 220.821488] ? blkpg_ioctl+0x9d0/0x9d0 [ 220.825372] ? get_pid_task+0xf4/0x190 [ 220.829245] ? mark_held_locks+0xf0/0xf0 [ 220.833293] ? proc_fail_nth_write+0x95/0x1d0 [ 220.837776] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 220.842731] block_ioctl+0xe9/0x130 [ 220.846664] ? blkdev_fallocate+0x3f0/0x3f0 [ 220.851352] do_vfs_ioctl+0xcdb/0x12e0 [ 220.855490] ? selinux_file_ioctl+0x506/0x6c0 [ 220.860107] ? ioctl_preallocate+0x200/0x200 [ 220.864642] ? selinux_inode_link+0x20/0x20 [ 220.869325] ? __fget+0x356/0x510 [ 220.872790] ? do_dup2+0x450/0x450 [ 220.876345] ? vfs_write+0x393/0x540 [ 220.880102] ksys_ioctl+0x9b/0xc0 [ 220.883577] __x64_sys_ioctl+0x6f/0xb0 [ 220.887592] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 220.892385] do_syscall_64+0xf9/0x620 [ 220.896742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 220.902545] RIP: 0033:0x45cb19 [ 220.906141] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 220.926843] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 220.934756] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 220.942036] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 08:19:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5421) 08:19:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab05, r1) [ 220.950178] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 220.957546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 220.964945] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 220.979883] block nbd5: Receive control failed (result -107) [ 220.988659] block nbd5: shutting down sockets 08:19:44 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x1000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:44 executing program 5 (fault-call:3 fault-nth:29): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 221.012726] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 221.063171] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 221.065361] block nbd0: shutting down sockets [ 221.076389] block nbd0: shutting down sockets 08:19:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5450) 08:19:44 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab06, r1) 08:19:44 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xd703000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 221.108510] FAULT_INJECTION: forcing a failure. [ 221.108510] name failslab, interval 1, probability 0, space 0, times 0 [ 221.147911] FAT-fs (loop2): bogus number of reserved sectors [ 221.167364] CPU: 1 PID: 13114 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 221.175295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.176967] FAT-fs (loop2): Can't find a valid FAT filesystem [ 221.184683] Call Trace: [ 221.184709] dump_stack+0x1fc/0x2fe [ 221.184731] should_fail.cold+0xa/0x14 [ 221.184747] ? setup_fault_attr+0x200/0x200 [ 221.184762] ? lock_acquire+0x170/0x3c0 [ 221.184780] __should_failslab+0x115/0x180 [ 221.184795] should_failslab+0x5/0xf [ 221.184807] kmem_cache_alloc+0x277/0x370 [ 221.184824] __d_alloc+0x2b/0xa10 [ 221.225176] d_alloc+0x4a/0x230 [ 221.228488] d_alloc_parallel+0xeb/0x19e0 [ 221.232664] ? mark_held_locks+0xf0/0xf0 [ 221.237055] ? __d_lookup_rcu+0x6b0/0x6b0 [ 221.241224] ? __lock_acquire+0x6de/0x3ff0 [ 221.242268] block nbd0: shutting down sockets [ 221.245480] ? mark_held_locks+0xf0/0xf0 [ 221.245499] ? __lockdep_init_map+0x100/0x5a0 [ 221.245514] ? __lockdep_init_map+0x100/0x5a0 [ 221.245532] __lookup_slow+0x18d/0x4a0 08:19:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab07, r1) [ 221.251472] block nbd0: shutting down sockets [ 221.254075] ? check_preemption_disabled+0x41/0x280 [ 221.254093] ? follow_dotdot_rcu+0x1040/0x1040 [ 221.254112] ? __d_lookup+0x411/0x710 [ 221.254130] ? d_lookup+0x18e/0x250 [ 221.288811] lookup_one_len+0x163/0x190 [ 221.292810] ? try_lookup_one_len+0x180/0x180 [ 221.297425] start_creating.part.0+0x62/0x160 [ 221.301944] __debugfs_create_file+0xb8/0x4e0 [ 221.306553] nbd_start_device+0x50d/0xd50 [ 221.310975] ? security_capable+0x8f/0xc0 [ 221.315400] nbd_ioctl+0x62a/0xbe0 [ 221.318958] ? nbd_disconnect_and_put+0x270/0x270 [ 221.323791] ? avc_ss_reset+0x170/0x170 [ 221.328580] ? __lock_acquire+0x6de/0x3ff0 [ 221.332893] ? nbd_disconnect_and_put+0x270/0x270 [ 221.337731] blkdev_ioctl+0x5cb/0x1a7e [ 221.341653] ? blkpg_ioctl+0x9d0/0x9d0 [ 221.345553] ? get_pid_task+0xf4/0x190 [ 221.349428] ? mark_held_locks+0xf0/0xf0 [ 221.353481] ? proc_fail_nth_write+0x95/0x1d0 [ 221.357968] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 221.362892] block_ioctl+0xe9/0x130 [ 221.366504] ? blkdev_fallocate+0x3f0/0x3f0 [ 221.370823] do_vfs_ioctl+0xcdb/0x12e0 [ 221.374793] ? selinux_file_ioctl+0x506/0x6c0 [ 221.379311] ? ioctl_preallocate+0x200/0x200 [ 221.383730] ? selinux_inode_link+0x20/0x20 [ 221.388188] ? __fget+0x356/0x510 [ 221.391680] ? do_dup2+0x450/0x450 [ 221.395308] ? vfs_write+0x393/0x540 [ 221.399126] ksys_ioctl+0x9b/0xc0 [ 221.402607] __x64_sys_ioctl+0x6f/0xb0 [ 221.406497] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 221.412376] do_syscall_64+0xf9/0x620 [ 221.416190] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.422610] RIP: 0033:0x45cb19 [ 221.426221] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 221.446512] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 221.454995] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 08:19:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5451) 08:19:45 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0x40000}, 0x12160) [ 221.462432] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 221.469848] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 221.477106] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 221.484726] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 221.496603] block nbd5: Receive control failed (result -107) [ 221.509794] block nbd5: shutting down sockets 08:19:45 executing program 5 (fault-call:3 fault-nth:30): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:45 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0x1000000}, 0x12160) [ 221.534652] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 221.574554] FAT-fs (loop2): bogus number of reserved sectors 08:19:45 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xd803000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 221.597830] FAT-fs (loop2): Can't find a valid FAT filesystem [ 221.628198] block nbd0: shutting down sockets 08:19:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5452) [ 221.647290] block nbd0: shutting down sockets [ 221.661080] FAULT_INJECTION: forcing a failure. [ 221.661080] name failslab, interval 1, probability 0, space 0, times 0 [ 221.686369] CPU: 0 PID: 13151 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 221.694299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.703753] Call Trace: [ 221.706533] dump_stack+0x1fc/0x2fe [ 221.710184] should_fail.cold+0xa/0x14 [ 221.714165] ? setup_fault_attr+0x200/0x200 [ 221.718660] ? lock_acquire+0x170/0x3c0 [ 221.722633] __should_failslab+0x115/0x180 [ 221.727015] should_failslab+0x5/0xf [ 221.731507] kmem_cache_alloc+0x277/0x370 [ 221.735738] alloc_inode+0xab/0x180 [ 221.739920] new_inode+0x1d/0xf0 [ 221.743535] debugfs_get_inode+0x1a/0x130 [ 221.747693] __debugfs_create_file+0x111/0x4e0 [ 221.752288] nbd_start_device+0x50d/0xd50 [ 221.756611] ? security_capable+0x8f/0xc0 [ 221.760780] nbd_ioctl+0x62a/0xbe0 [ 221.764383] ? nbd_disconnect_and_put+0x270/0x270 [ 221.770025] ? avc_ss_reset+0x170/0x170 [ 221.774009] ? __lock_acquire+0x6de/0x3ff0 [ 221.778388] ? nbd_disconnect_and_put+0x270/0x270 [ 221.783261] blkdev_ioctl+0x5cb/0x1a7e [ 221.787227] ? blkpg_ioctl+0x9d0/0x9d0 [ 221.791119] ? get_pid_task+0xf4/0x190 [ 221.795004] ? mark_held_locks+0xf0/0xf0 [ 221.799060] ? proc_fail_nth_write+0x95/0x1d0 [ 221.803794] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 221.808761] block_ioctl+0xe9/0x130 [ 221.812453] ? blkdev_fallocate+0x3f0/0x3f0 [ 221.816795] do_vfs_ioctl+0xcdb/0x12e0 [ 221.820683] ? selinux_file_ioctl+0x506/0x6c0 [ 221.825183] ? ioctl_preallocate+0x200/0x200 [ 221.830381] ? selinux_inode_link+0x20/0x20 [ 221.834703] ? __fget+0x356/0x510 [ 221.838203] ? do_dup2+0x450/0x450 [ 221.841743] ? vfs_write+0x393/0x540 [ 221.845964] ksys_ioctl+0x9b/0xc0 [ 221.849409] __x64_sys_ioctl+0x6f/0xb0 [ 221.854182] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 221.858762] do_syscall_64+0xf9/0x620 [ 221.865782] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.871071] RIP: 0033:0x45cb19 [ 221.878517] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 08:19:45 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x1040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab08, r1) 08:19:45 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0x3f000000}, 0x12160) [ 221.898519] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 221.906352] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 221.914232] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 221.921511] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 221.929905] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 221.937164] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 221.983410] block nbd5: Receive control failed (result -107) [ 221.991394] block nbd5: shutting down sockets [ 222.008072] block nbd4: NBD_DISCONNECT [ 222.028021] block nbd4: NBD_DISCONNECT 08:19:45 executing program 5 (fault-call:3 fault-nth:31): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:45 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xfc000000}, 0x12160) 08:19:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab09, r1) [ 222.082940] block nbd0: shutting down sockets [ 222.089384] FAT-fs (loop2): bogus number of reserved sectors [ 222.113476] block nbd0: shutting down sockets [ 222.116768] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 222.132778] FAT-fs (loop2): Can't find a valid FAT filesystem [ 222.152747] FAULT_INJECTION: forcing a failure. [ 222.152747] name failslab, interval 1, probability 0, space 0, times 0 [ 222.182605] CPU: 1 PID: 13181 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 222.191366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.201007] Call Trace: [ 222.203777] dump_stack+0x1fc/0x2fe [ 222.207499] should_fail.cold+0xa/0x14 [ 222.211381] ? setup_fault_attr+0x200/0x200 [ 222.215693] ? __d_lookup+0x411/0x710 [ 222.220628] __should_failslab+0x115/0x180 [ 222.224940] should_failslab+0x5/0xf [ 222.229089] kmem_cache_alloc+0x277/0x370 [ 222.235417] selinux_inode_alloc_security+0xb1/0x2a0 [ 222.241203] security_inode_alloc+0x67/0xc0 [ 222.245621] inode_init_always+0x5a3/0xb70 [ 222.249843] alloc_inode+0x7a/0x180 [ 222.254413] new_inode+0x1d/0xf0 [ 222.257767] debugfs_get_inode+0x1a/0x130 [ 222.262283] __debugfs_create_file+0x111/0x4e0 [ 222.267419] nbd_start_device+0x50d/0xd50 [ 222.271577] ? security_capable+0x8f/0xc0 [ 222.276617] nbd_ioctl+0x62a/0xbe0 [ 222.280150] ? nbd_disconnect_and_put+0x270/0x270 [ 222.285070] ? avc_ss_reset+0x170/0x170 [ 222.289037] ? __lock_acquire+0x6de/0x3ff0 [ 222.293448] ? nbd_disconnect_and_put+0x270/0x270 [ 222.298290] blkdev_ioctl+0x5cb/0x1a7e [ 222.302187] ? blkpg_ioctl+0x9d0/0x9d0 [ 222.306146] ? get_pid_task+0xf4/0x190 [ 222.310115] ? mark_held_locks+0xf0/0xf0 [ 222.314171] ? proc_fail_nth_write+0x95/0x1d0 [ 222.318651] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 222.323603] block_ioctl+0xe9/0x130 [ 222.327227] ? blkdev_fallocate+0x3f0/0x3f0 [ 222.331535] do_vfs_ioctl+0xcdb/0x12e0 [ 222.335431] ? selinux_file_ioctl+0x506/0x6c0 [ 222.339924] ? ioctl_preallocate+0x200/0x200 [ 222.344322] ? selinux_inode_link+0x20/0x20 [ 222.348985] ? __fget+0x356/0x510 [ 222.352431] ? do_dup2+0x450/0x450 [ 222.355972] ? vfs_write+0x393/0x540 [ 222.359698] ksys_ioctl+0x9b/0xc0 [ 222.363505] __x64_sys_ioctl+0x6f/0xb0 [ 222.368800] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 222.374259] do_syscall_64+0xf9/0x620 [ 222.378387] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 222.383566] RIP: 0033:0x45cb19 [ 222.386751] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 222.405838] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 222.413801] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 222.421063] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 08:19:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xfe800000}, 0x12160) 08:19:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5460) [ 222.428320] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 222.435591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 222.442860] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 222.469254] FAT-fs (loop2): bogus number of reserved sectors 08:19:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab0a, r1) [ 222.480434] block nbd5: Receive control failed (result -107) [ 222.480522] FAT-fs (loop2): Can't find a valid FAT filesystem [ 222.489594] block nbd5: shutting down sockets 08:19:46 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x2000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 222.546450] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 222.579310] block nbd0: shutting down sockets [ 222.590377] block nbd0: shutting down sockets 08:19:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x40049409, r1) 08:19:46 executing program 5 (fault-call:3 fault-nth:32): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab00) 08:19:46 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xd903000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xfec00000}, 0x12160) 08:19:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0x0, 0xff000000}, 0x12160) [ 222.707544] block nbd0: shutting down sockets [ 222.718907] FAT-fs (loop2): bogus number of reserved sectors [ 222.719281] block nbd0: shutting down sockets [ 222.734480] FAULT_INJECTION: forcing a failure. [ 222.734480] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 222.736417] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x40081271, r1) 08:19:46 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000140)=0x4f, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) openat$cgroup(r4, &(0x7f0000000380)='syz0\x00', 0x200002, 0x0) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$SNDRV_PCM_IOCTL_SW_PARAMS(r3, 0xc0884113, &(0x7f0000000240)={0x0, 0x5, 0x4, 0x401, 0x80000000, 0x4, 0x325, 0xf7, 0x6, 0x9, 0xfffff688, 0x1}) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) ioctl$VIDIOC_G_EXT_CTRLS(r5, 0xc0205647, &(0x7f0000000180)={0x9f0000, 0x40, 0x7, 0xffffffffffffffff, 0x0, &(0x7f0000000080)={0xa2090b, 0x7f, [], @p_u8=&(0x7f00000003c0)=0x46}}) getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r4, 0x6, 0x23, &(0x7f00000001c0)={&(0x7f0000ffd000/0x3000)=nil, 0x3000}, &(0x7f0000000200)=0x10) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) recvmsg(r6, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x2040) [ 222.765086] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 222.779253] CPU: 0 PID: 13215 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 222.787260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.796728] Call Trace: [ 222.799445] dump_stack+0x1fc/0x2fe [ 222.803090] should_fail.cold+0xa/0x14 [ 222.806998] ? lock_acquire+0x170/0x3c0 [ 222.812048] ? setup_fault_attr+0x200/0x200 [ 222.816400] __alloc_pages_nodemask+0x239/0x2890 [ 222.821186] ? __lock_acquire+0x6de/0x3ff0 [ 222.825451] ? mark_held_locks+0xf0/0xf0 [ 222.829530] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 222.834489] ? mark_held_locks+0xf0/0xf0 [ 222.838927] ? mark_held_locks+0xf0/0xf0 [ 222.843100] ? simple_lookup+0xce/0x110 [ 222.847244] ? mark_held_locks+0xf0/0xf0 [ 222.851313] ? inode_doinit_with_dentry+0x90c/0x10b0 [ 222.856819] ? lock_downgrade+0x720/0x720 [ 222.861076] ? lockref_get+0x11/0x50 [ 222.864794] alloc_pages_current+0x193/0x2a0 [ 222.869200] __get_free_pages+0x8/0x40 [ 222.873101] inode_doinit_with_dentry+0x98d/0x10b0 [ 222.878033] ? selinux_capset+0x100/0x100 [ 222.882175] ? current_time+0x13c/0x1c0 [ 222.886235] ? igrab+0xb0/0xb0 [ 222.889423] selinux_d_instantiate+0x23/0x30 [ 222.893841] security_d_instantiate+0x50/0xe0 [ 222.898334] d_instantiate+0x5a/0x90 [ 222.902058] __debugfs_create_file+0x1dd/0x4e0 [ 222.906816] nbd_start_device+0x50d/0xd50 [ 222.910967] ? security_capable+0x8f/0xc0 [ 222.915123] nbd_ioctl+0x62a/0xbe0 [ 222.918656] ? nbd_disconnect_and_put+0x270/0x270 [ 222.923513] ? avc_ss_reset+0x170/0x170 [ 222.927514] ? __lock_acquire+0x6de/0x3ff0 [ 222.931763] ? nbd_disconnect_and_put+0x270/0x270 [ 222.936614] blkdev_ioctl+0x5cb/0x1a7e [ 222.940493] ? blkpg_ioctl+0x9d0/0x9d0 [ 222.944373] ? get_pid_task+0xf4/0x190 [ 222.948252] ? mark_held_locks+0xf0/0xf0 [ 222.952308] ? proc_fail_nth_write+0x95/0x1d0 [ 222.956798] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 222.961722] block_ioctl+0xe9/0x130 [ 222.965452] ? blkdev_fallocate+0x3f0/0x3f0 [ 222.969869] do_vfs_ioctl+0xcdb/0x12e0 [ 222.973759] ? selinux_file_ioctl+0x506/0x6c0 [ 222.978446] ? ioctl_preallocate+0x200/0x200 [ 222.982976] ? selinux_inode_link+0x20/0x20 [ 222.987665] ? __fget+0x356/0x510 [ 222.991293] ? do_dup2+0x450/0x450 [ 222.994845] ? vfs_write+0x393/0x540 [ 222.998586] ksys_ioctl+0x9b/0xc0 [ 223.002064] __x64_sys_ioctl+0x6f/0xb0 [ 223.005955] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 223.010610] do_syscall_64+0xf9/0x620 [ 223.014435] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.019797] RIP: 0033:0x45cb19 [ 223.022978] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 223.041869] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 223.049780] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 223.057045] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 08:19:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab01) 08:19:46 executing program 5 (fault-call:3 fault-nth:33): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 223.064420] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 223.071793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 223.079173] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 223.090526] block nbd5: Receive control failed (result -107) [ 223.103789] block nbd5: shutting down sockets 08:19:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x40086602, r1) [ 223.166852] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 223.183833] FAT-fs (loop2): bogus number of reserved sectors [ 223.190811] FAT-fs (loop2): Can't find a valid FAT filesystem [ 223.226110] block nbd0: shutting down sockets [ 223.228785] FAULT_INJECTION: forcing a failure. [ 223.228785] name failslab, interval 1, probability 0, space 0, times 0 [ 223.244072] block nbd0: shutting down sockets [ 223.249765] CPU: 0 PID: 13244 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 223.257772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.267139] Call Trace: [ 223.269758] dump_stack+0x1fc/0x2fe [ 223.273500] should_fail.cold+0xa/0x14 [ 223.277504] ? setup_fault_attr+0x200/0x200 [ 223.282034] ? lock_acquire+0x170/0x3c0 [ 223.286027] __should_failslab+0x115/0x180 [ 223.290634] should_failslab+0x5/0xf [ 223.294654] kmem_cache_alloc_trace+0x284/0x380 [ 223.299355] nbd_start_device+0x59b/0xd50 [ 223.303539] nbd_ioctl+0x62a/0xbe0 [ 223.307270] ? nbd_disconnect_and_put+0x270/0x270 [ 223.312136] ? avc_ss_reset+0x170/0x170 [ 223.316136] ? __lock_acquire+0x6de/0x3ff0 [ 223.320484] ? nbd_disconnect_and_put+0x270/0x270 [ 223.326653] blkdev_ioctl+0x5cb/0x1a7e [ 223.330556] ? blkpg_ioctl+0x9d0/0x9d0 [ 223.334660] ? get_pid_task+0xf4/0x190 [ 223.338543] ? mark_held_locks+0xf0/0xf0 [ 223.342600] ? proc_fail_nth_write+0x95/0x1d0 [ 223.347210] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 223.352262] block_ioctl+0xe9/0x130 [ 223.355933] ? blkdev_fallocate+0x3f0/0x3f0 [ 223.360253] do_vfs_ioctl+0xcdb/0x12e0 [ 223.364148] ? selinux_file_ioctl+0x506/0x6c0 [ 223.368819] ? ioctl_preallocate+0x200/0x200 [ 223.373232] ? selinux_inode_link+0x20/0x20 [ 223.377551] ? __fget+0x356/0x510 [ 223.380993] ? do_dup2+0x450/0x450 [ 223.384634] ? vfs_write+0x393/0x540 [ 223.388344] ksys_ioctl+0x9b/0xc0 [ 223.391791] __x64_sys_ioctl+0x6f/0xb0 [ 223.395678] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 223.400328] do_syscall_64+0xf9/0x620 [ 223.404260] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.410011] RIP: 0033:0x45cb19 [ 223.413200] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 223.432497] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 223.440212] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 223.447570] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 223.454842] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 223.462103] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 223.469748] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 08:19:47 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x2040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:47 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000140)=0x10000) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) getpeername$packet(r6, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r4, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r7}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000180)={@empty, 0x35, r7}) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab02) 08:19:47 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xda03000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x40087602, r1) 08:19:47 executing program 5 (fault-call:3 fault-nth:34): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 223.482943] block nbd5: shutting down sockets 08:19:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x40101283, r1) [ 223.583872] block nbd0: shutting down sockets [ 223.592537] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 223.599091] FAULT_INJECTION: forcing a failure. [ 223.599091] name failslab, interval 1, probability 0, space 0, times 0 [ 223.599098] block nbd5: Receive control failed (result -107) 08:19:47 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f00000001c0)=@nl=@proc, 0xe, 0x0, 0x0, 0x0, 0xf}, 0x10223) [ 223.636191] block nbd0: shutting down sockets [ 223.644678] FAT-fs (loop2): bogus number of reserved sectors [ 223.656575] CPU: 0 PID: 13266 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 223.664501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.673493] FAT-fs (loop2): Can't find a valid FAT filesystem [ 223.673877] Call Trace: [ 223.682394] dump_stack+0x1fc/0x2fe [ 223.686045] should_fail.cold+0xa/0x14 [ 223.689953] ? setup_fault_attr+0x200/0x200 [ 223.694297] ? lock_acquire+0x170/0x3c0 [ 223.698300] ? dev_uevent_filter+0xd0/0xd0 [ 223.702562] __should_failslab+0x115/0x180 [ 223.706826] should_failslab+0x5/0xf [ 223.710558] kmem_cache_alloc_trace+0x284/0x380 [ 223.715251] ? dev_uevent_filter+0xd0/0xd0 [ 223.719494] kobject_uevent_env+0x227/0x1220 [ 223.723904] ? nbd_size_update+0x2a0/0x5d0 [ 223.728296] ? queue_work_on+0x11a/0x1f0 [ 223.732457] nbd_start_device+0x80c/0xd50 [ 223.736597] nbd_ioctl+0x62a/0xbe0 [ 223.741580] ? nbd_disconnect_and_put+0x270/0x270 [ 223.746552] ? avc_ss_reset+0x170/0x170 [ 223.750626] ? __lock_acquire+0x6de/0x3ff0 [ 223.754862] ? nbd_disconnect_and_put+0x270/0x270 [ 223.759873] blkdev_ioctl+0x5cb/0x1a7e [ 223.764281] ? blkpg_ioctl+0x9d0/0x9d0 [ 223.768257] ? get_pid_task+0xf4/0x190 [ 223.772141] ? mark_held_locks+0xf0/0xf0 [ 223.776381] ? proc_fail_nth_write+0x95/0x1d0 [ 223.780886] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 223.785928] block_ioctl+0xe9/0x130 [ 223.789552] ? blkdev_fallocate+0x3f0/0x3f0 [ 223.794319] do_vfs_ioctl+0xcdb/0x12e0 [ 223.798435] ? selinux_file_ioctl+0x506/0x6c0 [ 223.802950] ? ioctl_preallocate+0x200/0x200 [ 223.807806] ? selinux_inode_link+0x20/0x20 [ 223.812123] ? __fget+0x356/0x510 [ 223.815838] ? do_dup2+0x450/0x450 [ 223.819377] ? vfs_write+0x393/0x540 [ 223.823179] ksys_ioctl+0x9b/0xc0 [ 223.826629] __x64_sys_ioctl+0x6f/0xb0 [ 223.830815] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 223.835487] do_syscall_64+0xf9/0x620 [ 223.839312] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.844521] RIP: 0033:0x45cb19 [ 223.847716] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 223.867047] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 223.875118] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 08:19:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x401070c9, r1) 08:19:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab04) [ 223.882658] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 223.890459] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 223.898045] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 223.905484] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 223.925299] block nbd5: shutting down sockets 08:19:47 executing program 5 (fault-call:3 fault-nth:35): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:47 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) sendmsg$IPCTNL_MSG_TIMEOUT_GET(r2, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x74, 0x1, 0x8, 0x300, 0x0, 0x0, {0x2, 0x0, 0x6}, [@CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x88e5}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0xc250}, @CTA_TIMEOUT_DATA={0x34, 0x4, 0x0, 0x1, @sctp=[@CTA_TIMEOUT_SCTP_COOKIE_WAIT={0x8}, @CTA_TIMEOUT_SCTP_HEARTBEAT_SENT={0x8, 0x8, 0x1, 0x0, 0x6}, @CTA_TIMEOUT_SCTP_COOKIE_WAIT={0x8, 0x2, 0x1, 0x0, 0x2a6}, @CTA_TIMEOUT_SCTP_SHUTDOWN_ACK_SENT={0x8, 0x7, 0x1, 0x0, 0x2}, @CTA_TIMEOUT_SCTP_CLOSED={0x8, 0x1, 0x1, 0x0, 0x50000000}, @CTA_TIMEOUT_SCTP_HEARTBEAT_SENT={0x8, 0x8, 0x1, 0x0, 0x8}]}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x88}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x201}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz1\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x48094) r3 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) sendmsg$TIPC_CMD_SHOW_STATS(r4, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, 0x0, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4810}, 0x84) [ 223.974952] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 223.981191] FAT-fs (loop2): bogus number of reserved sectors [ 223.987216] FAT-fs (loop2): Can't find a valid FAT filesystem [ 224.021885] block nbd0: shutting down sockets [ 224.028936] block nbd0: shutting down sockets 08:19:47 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x3000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x401070ca, r1) 08:19:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab05) 08:19:47 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xe0ba9e8600000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 224.145713] FAULT_INJECTION: forcing a failure. [ 224.145713] name failslab, interval 1, probability 0, space 0, times 0 [ 224.145719] block nbd5: Receive control failed (result -107) [ 224.173705] block nbd0: shutting down sockets [ 224.176079] FAT-fs (loop2): bogus number of reserved sectors [ 224.185319] CPU: 0 PID: 13305 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 224.193225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.202675] Call Trace: [ 224.202819] block nbd0: shutting down sockets [ 224.205274] dump_stack+0x1fc/0x2fe [ 224.205302] should_fail.cold+0xa/0x14 [ 224.217481] ? setup_fault_attr+0x200/0x200 [ 224.221822] ? lock_acquire+0x170/0x3c0 [ 224.225876] __should_failslab+0x115/0x180 [ 224.230138] should_failslab+0x5/0xf [ 224.233875] __kmalloc+0x2ab/0x3c0 [ 224.237432] ? kobject_get_path+0xc1/0x1c0 [ 224.241690] kobject_get_path+0xc1/0x1c0 [ 224.245776] kobject_uevent_env+0x24d/0x1220 [ 224.250216] ? nbd_size_update+0x2a0/0x5d0 [ 224.254593] ? queue_work_on+0x11a/0x1f0 [ 224.256493] FAT-fs (loop2): Can't find a valid FAT filesystem [ 224.258675] nbd_start_device+0x80c/0xd50 [ 224.258700] nbd_ioctl+0x62a/0xbe0 [ 224.258719] ? nbd_disconnect_and_put+0x270/0x270 [ 224.277163] ? avc_ss_reset+0x170/0x170 [ 224.281198] ? __lock_acquire+0x6de/0x3ff0 [ 224.285636] ? nbd_disconnect_and_put+0x270/0x270 [ 224.292588] blkdev_ioctl+0x5cb/0x1a7e [ 224.296682] ? blkpg_ioctl+0x9d0/0x9d0 [ 224.301768] ? get_pid_task+0xf4/0x190 [ 224.305698] ? mark_held_locks+0xf0/0xf0 [ 224.309880] ? proc_fail_nth_write+0x95/0x1d0 [ 224.314937] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 224.320722] block_ioctl+0xe9/0x130 [ 224.324413] ? blkdev_fallocate+0x3f0/0x3f0 [ 224.329093] do_vfs_ioctl+0xcdb/0x12e0 [ 224.333183] ? selinux_file_ioctl+0x506/0x6c0 [ 224.337975] ? ioctl_preallocate+0x200/0x200 [ 224.342587] ? selinux_inode_link+0x20/0x20 [ 224.347238] ? __fget+0x356/0x510 [ 224.350726] ? do_dup2+0x450/0x450 [ 224.354889] ? vfs_write+0x393/0x540 [ 224.358778] ksys_ioctl+0x9b/0xc0 [ 224.362432] __x64_sys_ioctl+0x6f/0xb0 [ 224.366805] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 224.371793] do_syscall_64+0xf9/0x620 [ 224.375932] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.382004] RIP: 0033:0x45cb19 [ 224.385822] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 224.404989] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 224.413424] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 224.420913] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 224.428390] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 224.435767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 08:19:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab06) 08:19:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x401070cd, r1) [ 224.443297] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 224.472060] block nbd5: shutting down sockets 08:19:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) setsockopt$inet6_int(r1, 0x29, 0x9, &(0x7f0000000200)=0x1, 0x1) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x8000, 0x0) rt_sigprocmask(0x0, &(0x7f0000000140)={[0xfffffffffffff624]}, &(0x7f00000001c0), 0x8) ioctl$KVM_SET_ONE_REG(r2, 0x4010aeac, &(0x7f0000000240)={0x0, 0x6}) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000400)='IPVS\x00') sendmsg$IPVS_CMD_NEW_SERVICE(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000380)={0x20, r5, 0x1, 0x0, 0x0, {0x2}, [@IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6}]}]}, 0x20}}, 0x0) sendmsg$IPVS_CMD_ZERO(r2, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000280)={&(0x7f0000000380)={0xe8, r5, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x3}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x2}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}]}, @IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x101}, @IPVS_CMD_ATTR_SERVICE={0x30, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x2}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x9}]}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @empty}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x6}, @IPVS_CMD_ATTR_SERVICE={0x24, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x20, 0x23}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@multicast1}]}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x6238fcccbab6103}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x7}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}]}]}, 0xe8}, 0x1, 0x0, 0x0, 0x4000}, 0xd0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$TIOCCBRK(r3, 0x5428) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0xfffffffffffffefc}, 0x0) 08:19:48 executing program 5 (fault-call:3 fault-nth:36): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 224.510374] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 224.531358] FAT-fs (loop2): bogus number of reserved sectors [ 224.549258] FAT-fs (loop2): Can't find a valid FAT filesystem [ 224.573206] block nbd0: shutting down sockets 08:19:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) setsockopt$inet6_int(r1, 0x29, 0x24, &(0x7f0000000100)=0xfff, 0xffffffd0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x401870c8, r1) [ 224.596953] block nbd0: shutting down sockets 08:19:48 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x3040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab07) [ 224.633191] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:48 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xf6ffffff00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 224.701212] block nbd5: Receive control failed (result -107) [ 224.707716] FAULT_INJECTION: forcing a failure. [ 224.707716] name failslab, interval 1, probability 0, space 0, times 0 [ 224.741629] CPU: 1 PID: 13345 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 224.749738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.753035] block nbd0: shutting down sockets [ 224.759109] Call Trace: [ 224.759141] dump_stack+0x1fc/0x2fe [ 224.759165] should_fail.cold+0xa/0x14 [ 224.759184] ? setup_fault_attr+0x200/0x200 [ 224.759197] ? lock_acquire+0x170/0x3c0 [ 224.759219] ? dev_uevent_filter+0xd0/0xd0 [ 224.775190] block nbd0: shutting down sockets 08:19:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x401870cb, r1) 08:19:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab08) [ 224.778481] __should_failslab+0x115/0x180 [ 224.778503] should_failslab+0x5/0xf [ 224.778516] kmem_cache_alloc_trace+0x284/0x380 [ 224.778536] ? dev_uevent_filter+0xd0/0xd0 [ 224.808458] kobject_uevent_env+0x227/0x1220 [ 224.812895] ? nbd_size_update+0x2a0/0x5d0 [ 224.817149] ? queue_work_on+0x11a/0x1f0 [ 224.821478] nbd_start_device+0x80c/0xd50 [ 224.825678] nbd_ioctl+0x62a/0xbe0 [ 224.829254] ? nbd_disconnect_and_put+0x270/0x270 [ 224.834121] ? avc_ss_reset+0x170/0x170 [ 224.838903] ? __lock_acquire+0x6de/0x3ff0 [ 224.844121] ? nbd_disconnect_and_put+0x270/0x270 [ 224.848986] blkdev_ioctl+0x5cb/0x1a7e [ 224.850681] block nbd0: NBD_DISCONNECT [ 224.852890] ? blkpg_ioctl+0x9d0/0x9d0 [ 224.852909] ? get_pid_task+0xf4/0x190 [ 224.852928] ? mark_held_locks+0xf0/0xf0 [ 224.852947] ? proc_fail_nth_write+0x95/0x1d0 [ 224.857064] block nbd0: Send disconnect failed -32 [ 224.860715] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 224.860744] block_ioctl+0xe9/0x130 [ 224.860759] ? blkdev_fallocate+0x3f0/0x3f0 [ 224.860774] do_vfs_ioctl+0xcdb/0x12e0 [ 224.860790] ? selinux_file_ioctl+0x506/0x6c0 [ 224.860804] ? ioctl_preallocate+0x200/0x200 [ 224.860817] ? selinux_inode_link+0x20/0x20 [ 224.860837] ? __fget+0x356/0x510 [ 224.860852] ? do_dup2+0x450/0x450 [ 224.860872] ? vfs_write+0x393/0x540 [ 224.873747] block nbd0: Disconnected due to user request. [ 224.878490] ksys_ioctl+0x9b/0xc0 [ 224.878512] __x64_sys_ioctl+0x6f/0xb0 [ 224.889621] block nbd0: shutting down sockets [ 224.891644] ? lockdep_hardirqs_on+0x3a8/0x5c0 08:19:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x401870cc, r1) 08:19:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) r6 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) r7 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r7, 0xc00464af, &(0x7f0000000040)) tee(r6, r7, 0x8, 0x2) ioctl$VIDIOC_S_EXT_CTRLS(r5, 0xc0205648, &(0x7f0000006d00)={0x0, 0x3, 0x7, 0xffffffffffffffff, 0x0, &(0x7f0000006cc0)={0x9a0901, 0x2, [], @p_u32=&(0x7f0000003a00)=0x7052}}) sendmmsg(r3, &(0x7f0000006ac0)=[{{&(0x7f0000000140)=@tipc=@id={0x1e, 0x3, 0x3, {0x4e24, 0x3}}, 0x80, &(0x7f00000003c0)=[{&(0x7f00000001c0)="879bd30d16ae38d262cf519faf83e67a2f3dd54b19134c45c839596b7bbdae997eb7d813abc8a0eb9f29f3e30ca35011fb79763aaba9e2aee6d18e8977afec3231314f67616bf59d565193e7c369b8e2c866bc1b629f532fde3fa049bb90280ce2c88ecfc8d5d1164581dbcd2c2b103b9b437d5c0a200abe5dbaae076350cbda1e36ed71919768dfde57532205e6a30e374aed4785491688d9d4e5dc65", 0x9d}, {&(0x7f0000000080)="68f8b2b359d7adbbd6ebfd35a4820ab67d24321c2fa1df398a84470bc6e836473caf8325cf7c6e79d1", 0x29}, {&(0x7f0000000280)="393f19a63ca4e363824f63b2a6f99328f073f985401ec9b2bc0849671ab224698c22dddc647325e56f075a08db591606be555116bdc757c8801802c51c35c7e8d44cb771614bbc9ed55c32c8371e0bdb", 0x50}, {&(0x7f0000000380)="26f5f8", 0x3}], 0x4, &(0x7f0000000400)=ANY=[@ANYBLOB="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"], 0x4f8}}, {{&(0x7f0000000900)=@qipcrtr={0x2a, 0xffffffff, 0x8000}, 0x80, &(0x7f0000001b80)=[{&(0x7f0000000980)="d851dba5a2754da749a9ae8d0cd12196", 0x10}, {&(0x7f00000009c0)="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0x2168}}, {{&(0x7f00000062c0)=@llc={0x1a, 0x5, 0x9, 0x1f, 0x0, 0x96, @remote}, 0x80, &(0x7f00000068c0)=[{&(0x7f0000006340)="5aa82a0ad87171331dc5450419c24b41f564c9d0812e565c14ad37e94f4fbc0aba1fbf0eb904a37e5b8b3bb5c875beca4bd319937a9dfa1bb513ce2f99887cbc108bf0f0fd0b8368e5738a6cdc7c8ecf605583fd1f2cff0daa68f1af8a539bdc422ad89e20765dcdfd793b7b1c340a93a30454b261af3ade21873f08a67e1a93710a5506d368f409dd2dac5d96c95c6e39dcf979f8834753709fe9478e3ac2fa43ceca33d60c7872ae363ed61a5cf19b764f0ff0dba16782fb0d95d1e0ea2fd880a7d32c31f8696d01cf23484d499c4c7a9ab673b9b20c9bcfddd99d9fae2583df4cc3d012", 0xe5}, {&(0x7f0000006440)="474ede4b94a3de3a2d48fb7005734be5458f82e940f8b7e15b6abfdcd3f675e51907b2a609a82f702ea7b48f873d8a81fbd0a80764a862068676e7d999b910cf7fbe3a3706389ee9381dd5", 0x4b}, {&(0x7f00000064c0)="f19d4082d024be1f32c72ab0c767c54f9fe28413227b80782a6ef8d76c3d4b01e418c691ea95d576d5d7131eeddd54fe534d233afe02aa8bda2bdccce5c8a4644689d6190c8163a7cc1490bd5844f5127a4508c2ab1a7e647a571c0dc90411fbe68c525eca27f8b690099b4ad48956ab73195c34ec76d7e60e0b584052e0e0e67355ac8995f6defe8ab40fc21857bf3a82d5c0db", 0x94}, {&(0x7f0000006580)="554e9a6744f7a41faf7b10452730b4262a298575dfff9087eb3e489457e55ac1e7db5e0dbc7de01326b0f1bb8bd558b62a4f35823166236e3e52260ecf67fe0ea7b83813f733b0ab395a82d195a15c3354f1aafd780343b909a41d30fee3096a09a53ed8c0e0f652c5d9fb38ed9c793b617ccc1f4086f2a689631a7e61828faf0b0226ad8ea8b32385160f7d471e3599355e851622e144afbc3501dd0c95035721b8cb3bddee6e0caa5a67fb5a244e516795944a9bdb9fcd48e3a11512ced4f6227217e8a951d2e2ef2d2f59d6f2", 0xce}, {&(0x7f0000006680)="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", 0xfb}, {&(0x7f0000006780)="f328e99dc7b010172181d2b2437b5273bdcd6a19634f4948c8f3ad2b5de972a01d795e990f4cfc9cf109a2dd5881508d02a49e9f1d1bf883d69dc78a8adb696859f7fd21eb10a86a8c813f2166081a6211024005cd6ec05cc6f3a00ab808187e7d0e8d34ad36f8afa387e89be3d4f4765aa28f3a607eb7cf3a5fe145e8bdf140ee3f5cd6889de9e27c47ab812a", 0x8d}, {&(0x7f0000006840)="9d37d8e77dd78b43142525ec8482a90519ce55164b444473a8340f39cbe0635d6b94ee9a40097ca419cceccdac1e6fef5b6c4f1edc7c3e1fcab8197d7811ff596a409e0055c31d16b4041b3cc6b78b227ccf73a305300e6b7226576e2fb58f7e0351f900ff2218094e0117b2c8c2af", 0x6f}], 0x7, &(0x7f0000006940)=[{0x78, 0x115, 0x6, "85a775e698f64f972b7063349c389050fa61b1eba81b52803b4493f905fdf58a37f3edcac1d5459a76febb09474c719d377ccfa2f59738e93bf8bac6ccb93fdc9c58b0608acb0ee5cb3de38b5abab098f7594dbd5e328d2311ca34d0f22abf9fe782aebc"}, {0x80, 0x10f, 0x80000001, "e9c64bbee91ef3c56a3ef00e0defd0b02ded6e1c297f6d153afd17f0dc95eb09800ee8365886f87da4c8a29857cd7e63dd09492789b231b785a43c5842e8e3f7b66a55f8e14db31b71305d6930b22b14c70e0e24972132d3b0ffbe03f58b074d211a59e898ea797ee779"}, {0x50, 0x3a, 0xffffff59, "b858f1ed0332189b5277cb38470e90d6859d8f1534045f2260c901f3cce829add28bbfc37862213f8265d16afd4d8554df0496eb0ecc0668a77fe8"}], 0x148}}], 0x8, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 224.891660] do_syscall_64+0xf9/0x620 [ 224.891682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.891694] RIP: 0033:0x45cb19 [ 224.891708] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 224.891715] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 224.900550] block nbd0: NBD_DISCONNECT [ 224.904684] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 224.904692] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 224.904699] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 224.904706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 224.904712] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 224.942192] block nbd5: shutting down sockets [ 224.970179] FAT-fs (loop2): bogus number of reserved sectors [ 225.034169] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:48 executing program 5 (fault-call:3 fault-nth:37): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 225.034204] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:48 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$inet6_buf(r3, 0x29, 0x2d, &(0x7f0000000140)=""/126, &(0x7f0000000080)=0x7e) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x4020940d, r1) [ 225.086898] block nbd0: Send disconnect failed -32 [ 225.095001] block nbd0: Disconnected due to user request. [ 225.100754] block nbd0: shutting down sockets [ 225.126750] FAT-fs (loop2): bogus number of reserved sectors 08:19:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab09) [ 225.141911] FAT-fs (loop2): Can't find a valid FAT filesystem [ 225.151877] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 225.161803] block nbd5: Receive control failed (result -107) [ 225.169219] FAULT_INJECTION: forcing a failure. [ 225.169219] name failslab, interval 1, probability 0, space 0, times 0 [ 225.190283] CPU: 1 PID: 13387 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 225.198520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.208799] Call Trace: [ 225.211391] dump_stack+0x1fc/0x2fe [ 225.215028] should_fail.cold+0xa/0x14 [ 225.218945] ? setup_fault_attr+0x200/0x200 [ 225.224778] ? lock_acquire+0x170/0x3c0 [ 225.228776] __should_failslab+0x115/0x180 [ 225.233025] should_failslab+0x5/0xf [ 225.236854] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 225.241964] __kmalloc_node_track_caller+0x38/0x70 [ 225.246888] __alloc_skb+0xae/0x560 [ 225.250508] alloc_uevent_skb+0x7b/0x210 [ 225.254686] kobject_uevent_env+0x911/0x1220 [ 225.259140] ? nbd_size_update+0x2a0/0x5d0 [ 225.263633] ? queue_work_on+0x11a/0x1f0 [ 225.267889] nbd_start_device+0x80c/0xd50 [ 225.272120] nbd_ioctl+0x62a/0xbe0 [ 225.275653] ? nbd_disconnect_and_put+0x270/0x270 [ 225.280495] ? avc_ss_reset+0x170/0x170 [ 225.284492] ? __lock_acquire+0x6de/0x3ff0 [ 225.288752] ? nbd_disconnect_and_put+0x270/0x270 [ 225.293599] blkdev_ioctl+0x5cb/0x1a7e [ 225.297595] ? blkpg_ioctl+0x9d0/0x9d0 [ 225.301500] ? get_pid_task+0xf4/0x190 [ 225.305412] ? mark_held_locks+0xf0/0xf0 [ 225.309470] ? proc_fail_nth_write+0x95/0x1d0 [ 225.314634] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 225.319680] block_ioctl+0xe9/0x130 [ 225.323308] ? blkdev_fallocate+0x3f0/0x3f0 [ 225.327622] do_vfs_ioctl+0xcdb/0x12e0 [ 225.331510] ? selinux_file_ioctl+0x506/0x6c0 [ 225.336009] ? ioctl_preallocate+0x200/0x200 [ 225.340408] ? selinux_inode_link+0x20/0x20 [ 225.344728] ? __fget+0x356/0x510 [ 225.348230] ? do_dup2+0x450/0x450 [ 225.351760] ? vfs_write+0x393/0x540 [ 225.355572] ksys_ioctl+0x9b/0xc0 [ 225.359019] __x64_sys_ioctl+0x6f/0xb0 [ 225.362897] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 225.367473] do_syscall_64+0xf9/0x620 [ 225.371287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.376497] RIP: 0033:0x45cb19 [ 225.379703] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 225.400322] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 225.408035] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 225.415385] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 225.422641] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 225.430022] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 08:19:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x80081270, r1) [ 225.437290] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 225.467981] block nbd5: shutting down sockets 08:19:49 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$TCXONC(r3, 0x540a, 0x2) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x765440, 0x0) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') sendmsg$TIPC_NL_NAME_TABLE_GET(r6, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="14000000", @ANYRES16=r7, @ANYBLOB="7df70000000000ff000000004000"], 0x14}}, 0x0) sendmsg$TIPC_NL_BEARER_GET(r5, &(0x7f0000000280)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000840)=ANY=[@ANYBLOB="506041e704bfb4ad4c18d909a09b6df8ba883daf3a8abda56fb319f924a603c3f81fd88b5364158315e1bfc8d10f65a2622406320b1dcb2f2db6ab1309", @ANYRES16=r7, @ANYBLOB="080025bd7000ffdbdf250400000034010680040002004500040067636d28616573290000000000000000000000000000000000000000000000001d0000004c3fe70e4233d7a2364c053c17fe01283f7c5b4424c1a086118ac1bf80000000df0003005f7735e6ff6931696c9ecff6815c382c4a122b65c3ed5c1041e46d31b1858c1602560ec3b5d3f7ab4271c6d9d4d15398736b76f7503adb94b4c4ad44d8ec6d8e71a145c8fd3555574e4187da750d7450c1dd6a21a35b6d3baabe89d0097ec64618809606414a4325237b76d4dc5bd7f10f3f9cc383de10fa4ec1e855a8d4ba08bbfc288598c0a32168cfbf415c885bdec94617b12172cfe1eaa0b0d6037d2abff509bbb0fc72e9a6d94ce0f3d83a2727762596a9b94f996db6ff26c0db0856ab43b90ce3bffa0d71c829ce0eb3e85767c7760c39df581a0c1c6de6000400020008020680fa000300a24cc04eca8500e14c77081e7d6617d9ba65fd65fe305b0cb83e020f0dcbca54de4c140d578d8a909c38ae08b34a1a2c1d36a465ac05419c1e1028cf843e2024556b8dc8b96b28e7894ad9776ea4cbf511a478ba1dccf09c49bcc7ccecda7745561b124d6556e37098b95654c1bfe6228020579954f57ef1e638c49c21d48b5449afbad94b2d88bfaf6642b5cd3d48a25c4282e926ce10773925108e139969e6d62e3e6125b494ce1af16244c25278d142a89049e9d228565b76c128424207cbc77506103f0fc1acee8a5ec86d2c136d27cb9abafb9d161972c431aaf10f2cf4be373ed6aafcaa5b4b93807298f4eec0dc5e2b70b55d00004500040067636d28616573290000000000000000000000000000000000000000000000001d000000a4d3dcc37447f6ff20ea3537a32628c08ce988ef51f940ebd7b938b83300000008000100c00a00004300040067636d28616573290000000000000000000000000000000000000000000000001b00000075229737454eb25c46e543515f00297eae85610171bd6c60a2b55f00040002003e00040067636d286165732900000000000000000000000000000000000000000000000016000000348f87f17570cd0b726de99c7bbd5202270b7b479c840000040002002a000300f423b840425aac6a6ac5bab96c4ef77aa90a538610e15fb210e70fe25bb75aa9b37ca7111af500004c0004800900010073797a30000000003c0007800800010007000000080004005a09000008000100000000000800030001800000080003000000000008000400080000000800030000000000ac0005805400028008000100020000000800030002000000080002000101000008000400040000000800010018000000080001000f0000000800020000000100080004000700000008000400f8ffffff08000200010000001c0002800800010006000000080001001e000000080002000400000014000280080002002000000008000300020000001c0002800800010011000000080002003f000000080004000200000008000100657468000c000980080001000300000014000980080001003f00000008000100390e0000"], 0x468}, 0x1, 0x0, 0x0, 0x4000044}, 0x4008800) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r4, 0x29, 0x2a, &(0x7f0000000540)={0x466c, {{0xa, 0x4e21, 0x40007, @private0={0xfc, 0x0, [], 0x1}, 0x3f}}}, 0xfffffffffffffc82) 08:19:49 executing program 5 (fault-call:3 fault-nth:38): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:49 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xfbffffff00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 225.565041] block nbd0: shutting down sockets [ 225.577612] block nbd0: shutting down sockets [ 225.600945] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 225.607595] block nbd5: Receive control failed (result -107) 08:19:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab0a) [ 225.614057] FAULT_INJECTION: forcing a failure. [ 225.614057] name failslab, interval 1, probability 0, space 0, times 0 [ 225.640146] CPU: 0 PID: 13406 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 225.648305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.658219] Call Trace: [ 225.660829] dump_stack+0x1fc/0x2fe [ 225.664825] should_fail.cold+0xa/0x14 [ 225.669423] ? setup_fault_attr+0x200/0x200 [ 225.674712] ? lock_acquire+0x170/0x3c0 [ 225.678972] __should_failslab+0x115/0x180 [ 225.683407] should_failslab+0x5/0xf [ 225.687135] kmem_cache_alloc+0x277/0x370 [ 225.691293] skb_clone+0x151/0x3d0 [ 225.695152] netlink_broadcast_filtered+0x8df/0xbc0 [ 225.700181] netlink_broadcast+0x35/0x40 [ 225.704245] kobject_uevent_env+0x8d7/0x1220 [ 225.708833] ? nbd_size_update+0x2a0/0x5d0 [ 225.713236] ? queue_work_on+0x11a/0x1f0 [ 225.717418] nbd_start_device+0x80c/0xd50 [ 225.721583] nbd_ioctl+0x62a/0xbe0 [ 225.725131] ? nbd_disconnect_and_put+0x270/0x270 [ 225.729974] ? avc_ss_reset+0x170/0x170 [ 225.733971] ? __lock_acquire+0x6de/0x3ff0 [ 225.738306] ? nbd_disconnect_and_put+0x270/0x270 [ 225.743238] blkdev_ioctl+0x5cb/0x1a7e [ 225.747147] ? blkpg_ioctl+0x9d0/0x9d0 [ 225.751050] ? get_pid_task+0xf4/0x190 [ 225.755191] ? mark_held_locks+0xf0/0xf0 [ 225.759261] ? proc_fail_nth_write+0x95/0x1d0 [ 225.763792] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 225.768725] block_ioctl+0xe9/0x130 [ 225.772422] ? blkdev_fallocate+0x3f0/0x3f0 [ 225.776977] do_vfs_ioctl+0xcdb/0x12e0 [ 225.781047] ? selinux_file_ioctl+0x506/0x6c0 [ 225.785551] ? ioctl_preallocate+0x200/0x200 [ 225.789978] ? selinux_inode_link+0x20/0x20 [ 225.794329] ? __fget+0x356/0x510 [ 225.797897] ? do_dup2+0x450/0x450 [ 225.801619] ? vfs_write+0x393/0x540 [ 225.805364] ksys_ioctl+0x9b/0xc0 [ 225.808835] __x64_sys_ioctl+0x6f/0xb0 [ 225.812724] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 225.817321] do_syscall_64+0xf9/0x620 [ 225.821253] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.826570] RIP: 0033:0x45cb19 [ 225.829757] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 225.848905] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 225.856627] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 08:19:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x80081272, r1) 08:19:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) getsockopt$inet6_buf(r0, 0x29, 0x22, &(0x7f0000000140)=""/95, &(0x7f0000000080)=0x5f) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 225.863895] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 225.871249] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 225.878519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 225.886106] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 225.921940] block nbd5: shutting down sockets 08:19:49 executing program 5 (fault-call:3 fault-nth:39): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 225.951196] FAT-fs (loop2): bogus number of reserved sectors [ 225.957756] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 225.965314] FAT-fs (loop2): Can't find a valid FAT filesystem [ 225.988573] block nbd0: shutting down sockets 08:19:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x80086601, r1) 08:19:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x40049409) 08:19:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x31, &(0x7f0000000140)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x5, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) sendmmsg$alg(r5, &(0x7f0000005fc0)=[{0x0, 0x0, &(0x7f0000003700)=[{&(0x7f0000000300)="52376464440f54cafd8afb9c87bcf0349dfd552628ba13f638bed4c3113bc571631466696ff5d94cd32d212036483a57f67f38452eeb1bbbcb74e21102ee81a60a93f2a9c10eaa74687d0b50e9b5843b2633c2b454194c911c7f0a21a95c784af641a5e3830a393c677067986d9fec11283283075bfd2a7bc2b8b3b1ceabbd87c959d2feeacd55b7bd6ee6b3815755c32ac88efd5c6f85221f3d2e2cc3668161c34c0a51", 0xa4}, {&(0x7f00000003c0)="5c01ae6918bcf44762bd4c5bd86f574fa90fde63188470115d05ff55a27313e3608b385fcd473ba8618fd6ed59590ab53c26464912e3afecfe44a4a21777dbb817c873b416d2eefa4bec33370157ee007f12a86bd3dd6ff855a948fb726d4f741d221e1a5cd0565398e56bbecb076de505e176587ae40ac85d956fa963ed81fce52ec2be1cb0ff5c9a01c3f1fbbabf528c6309c73cae77b06d75aa89ee01166b92d5932ba76485c16c75b5f66e0f3577249250b9", 0xb4}, {&(0x7f0000000480)="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0x1000}, {&(0x7f0000001480)="59e16400c7e72373f6a0c2127e76f29fcf3e0cfa3ef489d84935af668259eba419ad27f9ff2a14aad6383a8e6d674c27322567afd81989d79f5947020a71a6678ddecc6155323387d8735fc7d576625159701d73fb9ab52fad32d9c639bd0674b565d982609fdd630d0f7106662cd9ec0dbf97e7d3019c1db96b2c9a5679eb59ba7ac9ee8107c1057ca8d64ccb370d955d800df8ec0828d46c56764765819d3541fa9e2e8f29955b8aac85ddaba5641b9f7ddafc7450b1eb559995e283a4ad25fcb0742f799df84cca5b4558d72c2fc07e2e467f", 0xd4}, 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{&(0x7f0000004d00)="027cab622de447d7a463c9df6cedb522b7cb638caf66a0418aae9b072ebabc24bef7cc67932482a3eb09d69b12351a1604cc6c9f19ed18397dddd5ff6c4278f67cbffb9f3007a97b7e048adce0633c55d39257477904e0cde58a66ccf4bf736704c56ae110df3a7c52249323d0d2197c3ad18086aa3fa4fef79429a21150c1e395a01a9aeb6a572c3ee687d9a5a6804996e60955214420975c09a88ddf9e4fbd39275ff5e9e3837cebcea968e1148a06e57fc8fc8d97131fca199ff628779bf618ea2b8050eb04ffb2f776611a70746525d3ac119d125c037dbd297f9dbe7ee95460b4a8928a2e68c21161481903294f1c979b49e8bbd531a0ac41cb4975cc08c63b6fa9e03c9a30399df8080bb7685da0d81a53d0ae48f443cbf4a729a7e654b172d3869542c1c80d63350ef60ea2da2c3b9d3a91e155737787ffd2cd81b523e0795ddf1d344367fb2e77ecc516afb9a9e3213756c4d420336a72413dad1cbbd547398fab6aad7647337e83968ac738879b14770d8bb7230f197aec04f7b0d9f6b6df24b6bf7184a81ea95529b14d4a115ce9c27fdfda4bb852e6d007809881fd940aac2e056e0fec8001010237156cc24fe3c730c0f016793f8254064119556700d94fbb510feaaf6744e85bb0b4382bd4ada989b26fcedbacb42ddfce9ca5fc2e04354c83ce8728668aea1cb92f821399b5fec99cbb7f3e62d907dd53ace386d33b418ccb527983a07ee4f45259dfda644f184aa07307bd11520c1069f8ac0e579c21d72e43a0cc4156e5b8bb5f43eac7fab9dc9aa0d97babc09f3a08bfb5f1787ee4c995786862eebdebc77982052b51947b743023b7a253fc387edb6ab23555464f1b9e9b7884fd4adf2ff3cfd48739d3e9f64bac3725e23aad3d53af862f5302a89c902fa32ce5b48d221f0eb5a56256f811cef9ef627e1e1597a2a7c9090cfc19c9295a584f422ec63444d66c1455db83b10ed2549a534cf6c0759e1a312c30f4a76b3c423a0c63522720bd5427e786838f604f077fd90a55391c9349d8456e9914e1dfaeb5638659d45f18338b0683257a6c1b2b91d1f36a886c7768aa728e9ee14d18a74ee7cbbb1c685991624fd0c8d8a0ea1d932396a75c8f4872c905e59f034ea025ff34736d7d84ce1d7fbb6939343331c05df6c0f4a436a5b3a49e708c430b0263eadcf4d9a36458dc4d8dc267a09fc71814a4ba0661938249419afb75b80f605c559a5b08efe7390a8a50a816fd6392df4478a57486164881465ac0692bb713b99a5af131bbe02ddbc1cd8d9489f204a62a2bb7820ed743ef2e0341742c5436f51ed96ae32c465b51ad2b4353dd9e4a8ec3c2846c745100abb34ee487ee5e85198819d7e38087ae26b545a43d7f5e8e4b5cb5f9674ad7f9b30a060b3d4301e5f825282e33078667a5a6c207ee78ee2d97009c348eda6de115c795b2b22ae87c07ab92d2f6a19ed839b78e39be5ed16391e6d03bd2fc36bec1913c9f8b19e88b9a85d70bf15710c8744777af6f51731d7cd2b461523c192aca4b84f1b5bd03ba5a27e8e0ddadd3b8b84c599c3928ff8a40c5c4e4d22c4f47deb088ce4f32f3194ab89388ae58bb725dae90b345162b161d6ea8a76c71e79348622772804440045f209a5e5d30e559324841149c03cc918f655af92b3a7b961e543fb15729015a6695e7177ffb91dd6e40c37fb5a4500bd8481a11e9bf97f891a6f37a5ff17916ce8b0da1b45f442587e58737dad29a95aafcc2c61536300edd7ab8ed41cdaf02ba3110431b87588d9f1661ff1c0c3cf04776443ec5d5af5071b1a2dbd117d2477cda2f6268d2b0d9f56ba31963c0fd3d175bf788936b40b90966e782e0299a149e9e492362f2ba8ae6a818bf2eec69ef0a738f2c440eeb5aa0bab510c3513122d3df580e35b1544cb5d1cfa96b22d82e4c2c1b526949243b632bdaf77e8641a6d827907f013a86e0aa2d8051a7ef1d10ac6e4e3ae43ea12e3c62942fb694b6511651e11524f13f041304cb61a6b376016155e08f0393d599fdd0b9cd58a706307c6c59349d8f9257e4ab16a752f6f11a6f0a4fed79127eda1e093b3837c404ac6173a32201d0f8a183e24f0978c384595a47318127caa7c56ce1a5f06392e6533004edf482f6630bcfab084c7733d2552ce6e99251f3ca47bba357d52c7142310f21e1276b0c3100fd9cf5f6b96f61610a3f5f9bd7bad35c8c444f2b07c24516c53132db091b19676e4f0a25013fb8e6705497b16d3aec6d95edb4560330d1611533a1c334cb76900063c2a388b17ec9226f13e6e8a3936a144a8381d4549ee0d9deff11f408215ef3f16499564fead38da863637c37f94772e6cc0c6b8f7bb796847a4092f5061575b31103812ab13223cbb333513e1b0a5097f5811ea96ed1284936bd3cd64c8ee5576df2f6573246f540512b60ecd771086d7966d9450f3bd20393fd463485db88afbc814f63db211a091b0f93e8644104aa54cf4eb9c7e479f5a68eb10c24d90eadf642f4302476b88bfe192ffd8d82600f5c5f76788e38eb14fd688ee2d039877f230d797c7d1b792933cae70205c3a7f11754e7338630ed18e013fa1bdf5a41147b2afea157f01388f847113929f7e1273d4cf2b04273188197b238c5c78b83f6ecd1633f2118d759716799e31be741a33f93bb5bf9fba452d27cb9997c88d5b864e742d191b63cd167927d35c12bc4da7345c3f0648871d6cbc65536c1e0f08ba6fbf8d47f852b26b1be4f7d4fa7cf2bc4d554b34c84117bdae9e5a58ad0db204061a3f7d7bafd449ca0076112afb9c04eeb7937fe0a6e86c05365e7cd819f88bf2056f756bcaa213e783be762c23e1dde731505b4f272fc1e3f00d2ed7745cf0bfa83c5ba29395a84a92287a622aac77b4eeafa60a0e211bf9ba9c255712e77b6af556792fe433a02767b0dbdef42c3b85bd27d28de8f1c4c349be0a388a5f6fb8f186c8ce1771e9908dea2e04b3ce704dfbce5f588f4007d7a3d7545f9a2e974b57fc5066e590114e9a6030c832edbcb1842a5703039b881dd73cbe319833799f9031cbc033a03eda9368cf509cc25e36ba988e857e76fac71ae969c307bceff75857bd7d5dd0888390041a457cda5e1a92bc93695b9cceae58ac50e4f0a91ce4d87d37c6ff42562c38c78109f1b5fa115b542d7b199fc5591a828bf05a11e5aa53b630a8bb3d2e93d8a5f2f3f686b952ab0d1aeec412461d06d41fdd7764f20609dc738d8be25306f7d1bdd3e0e3a512aa4f196e3737018c17f6e168c7917ba72a61c4156e1343c208780335ddfa8dd90f465a36501d63848ab00e8469eff4507beae9f43e7aa2cdf1dff21a833f9c64948df5006d61dac4b15037ceef9322af80fe15bae13f21aac78caf8a508ff48eb2d0efdf1835769a2cb763c940252e94495bfc1e9596c8369df788e8b0a9a8b812c894da91b1a17e8c415e7371d484fe20d0178fbdfdfb6bdabd88e7d57b91af226c7efef5674bbc1fec8cc284dba7644e84ce20eee2b34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0x1000}, {&(0x7f0000005d00)="97fdfec6759a153addb0496d28f2aab37190a11726298402c538d2a6ab1f60823bcfc5a3b5350fecab0cc37034e0debb90983c8bf0a3d67a5904c00544bf9383742e44f8f1c80e59fbfdf1f4d2f9f30a51207b00b2f247af2c1e00418c7e39d100d84aca000871adf3cfc231a12f2f4313d4388a76d6e939871c36e5e97fe1efee782bc59eea110ef0beb42765b9bf6205aad2a44515bb45a244a5e6ac3eea116978bd1aa1dccea6ac207b46aaa34b1387140af09fffb545065bdd69655f244818d69321396349c856614d", 0xcb}, {&(0x7f0000005e00)="af968f4ca0677ed9a670e6a88f5f297d8d4d0ac6f3b745c659eff8ede02cefb46649830750e9d2537b90", 0x2a}], 0x6, &(0x7f0000005ec0)=[@op={0x18, 0x117, 0x3, 0x1}, @iv={0xb8, 0x117, 0x2, 0x9f, "0deaf8469424cf3ea207a8879ce806da0cf5363742623406191e7cf0355a3bf5934db1e66212802a82d116f014bda76393d6b0feeb64793372cc7eacc3e1a2700a9853123b0c39d97ae0033108c9a543bb80ff37dd6db1c4e2836f3f1700b94657dceca5640e65ea64d50b5d00d30ad38f592d7abd04aa4ba3821b50f4ab315fd742d563d4d8df7872286b704924375b0caea163ca014dc44605eee444e68a"}, @op={0x18}, @assoc={0x18, 0x117, 0x4, 0x800}], 0x100, 0x40000}], 0x2, 0x4) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) r7 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000180)='SEG6\x00') sendmsg$SEG6_CMD_GET_TUNSRC(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="200000000800030000000001"], 0x1c}}, 0x880) r8 = socket$inet6_udp(0xa, 0x2, 0x0) recvmsg(r8, &(0x7f0000000080)={&(0x7f00000001c0)=@nl=@proc, 0x80, 0x0, 0x4a, 0x0, 0xffffffffffffff85}, 0x0) 08:19:49 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xfcfdffff00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 225.997709] block nbd0: shutting down sockets [ 226.096914] FAT-fs (loop2): bogus number of reserved sectors [ 226.098056] block nbd5: Receive control failed (result -107) [ 226.107512] FAT-fs (loop2): Can't find a valid FAT filesystem [ 226.109204] FAULT_INJECTION: forcing a failure. [ 226.109204] name failslab, interval 1, probability 0, space 0, times 0 [ 226.145682] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 226.152430] CPU: 1 PID: 13440 Comm: syz-executor.5 Not tainted 4.19.130-syzkaller #0 [ 226.160336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.164240] block nbd0: shutting down sockets [ 226.169700] Call Trace: [ 226.169726] dump_stack+0x1fc/0x2fe [ 226.169748] should_fail.cold+0xa/0x14 [ 226.169765] ? setup_fault_attr+0x200/0x200 [ 226.169784] ? lock_acquire+0x170/0x3c0 [ 226.187629] block nbd0: shutting down sockets [ 226.189227] __should_failslab+0x115/0x180 [ 226.189248] should_failslab+0x5/0xf [ 226.189264] kmem_cache_alloc_trace+0x284/0x380 [ 226.189283] ? wait_for_completion_io+0x10/0x10 [ 226.221825] ? kobject_init_and_add.cold+0x18/0x18 [ 226.226997] call_usermodehelper_setup+0x84/0x300 [ 226.232158] kobject_uevent_env+0xd15/0x1220 [ 226.236595] ? nbd_size_update+0x2a0/0x5d0 [ 226.240904] ? queue_work_on+0x11a/0x1f0 [ 226.245309] nbd_start_device+0x80c/0xd50 [ 226.249468] nbd_ioctl+0x62a/0xbe0 [ 226.253008] ? nbd_disconnect_and_put+0x270/0x270 [ 226.257865] ? avc_ss_reset+0x170/0x170 [ 226.261856] ? __lock_acquire+0x6de/0x3ff0 [ 226.266093] ? nbd_disconnect_and_put+0x270/0x270 [ 226.270935] blkdev_ioctl+0x5cb/0x1a7e [ 226.274819] ? blkpg_ioctl+0x9d0/0x9d0 [ 226.278715] ? get_pid_task+0xf4/0x190 [ 226.282603] ? mark_held_locks+0xf0/0xf0 [ 226.286656] ? proc_fail_nth_write+0x95/0x1d0 [ 226.291149] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 226.296320] block_ioctl+0xe9/0x130 [ 226.299978] ? blkdev_fallocate+0x3f0/0x3f0 [ 226.304496] do_vfs_ioctl+0xcdb/0x12e0 [ 226.308494] ? selinux_file_ioctl+0x506/0x6c0 [ 226.312999] ? ioctl_preallocate+0x200/0x200 [ 226.317774] ? selinux_inode_link+0x20/0x20 [ 226.322241] ? __fget+0x356/0x510 [ 226.325710] ? do_dup2+0x450/0x450 [ 226.329451] ? vfs_write+0x393/0x540 [ 226.333379] ksys_ioctl+0x9b/0xc0 [ 226.336830] __x64_sys_ioctl+0x6f/0xb0 [ 226.340715] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 226.345417] do_syscall_64+0xf9/0x620 [ 226.349240] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.354731] RIP: 0033:0x45cb19 [ 226.357931] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 226.377849] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 226.385563] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 08:19:50 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0x80087601, r1) 08:19:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nvme-fabrics\x00', 0x101002, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) recvmsg$can_bcm(r5, &(0x7f0000000580)={&(0x7f0000000180)=@can, 0x80, &(0x7f0000000440)=[{&(0x7f0000000200)=""/215, 0xd7}, {&(0x7f0000000380)=""/147, 0x93}], 0x2, &(0x7f0000000480)=""/252, 0xfc}, 0x4003) ioctl$FICLONERANGE(r3, 0x4020940d, &(0x7f0000000140)={{r4}, 0x5, 0x4, 0x7}) 08:19:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x40081271) 08:19:50 executing program 5 (fault-call:3 fault-nth:40): r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 226.393316] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 226.400843] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 226.408870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 226.417998] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 226.429322] block nbd5: shutting down sockets 08:19:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0045878, r1) [ 226.521036] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 226.556320] block nbd5: Receive control failed (result -107) [ 226.557112] block nbd0: shutting down sockets 08:19:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xfdfdffff00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 226.575521] block nbd0: shutting down sockets [ 226.590161] block nbd5: shutting down sockets [ 226.612864] FAT-fs (loop2): bogus number of reserved sectors 08:19:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nvme-fabrics\x00', 0x20042, 0x0) statx(r3, &(0x7f0000000140)='./file0\x00', 0x6000, 0x2, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet6_opts(r4, 0x29, 0x36, &(0x7f0000000280)=@srh={0x87, 0x6, 0x4, 0x3, 0x0, 0x40, 0x6, [@private1={0xfc, 0x1, [], 0x1}, @private1, @private1]}, 0x38) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0045878, r1) 08:19:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x40086602) [ 226.635042] FAT-fs (loop2): Can't find a valid FAT filesystem [ 226.718391] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 226.719716] block nbd5: Receive control failed (result -107) [ 226.735650] block nbd5: shutting down sockets [ 226.744758] FAT-fs (loop2): bogus number of reserved sectors [ 226.757617] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x2) [ 226.775697] block nbd0: shutting down sockets [ 226.787446] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 226.807245] block nbd0: shutting down sockets 08:19:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0101282, r1) 08:19:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x5}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r1, 0xc0bc5310, &(0x7f0000000140)) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$BLKTRACETEARDOWN(r3, 0x1276, 0x0) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:50 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x5000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x40087602) 08:19:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x301) 08:19:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0189436, r1) [ 226.850250] block nbd5: shutting down sockets [ 226.857343] block nbd5: shutting down sockets [ 226.908301] block nbd0: shutting down sockets 08:19:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xfdffffff00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x58) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x40012061) [ 226.990657] block nbd5: shutting down sockets 08:19:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x40101283) 08:19:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc020660b, r1) [ 227.017623] FAT-fs (loop2): bogus number of reserved sectors [ 227.030210] block nbd5: shutting down sockets [ 227.036012] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 227.042811] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x125d) 08:19:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xff0f000000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r1, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x0, 0x0, 0xffffffffffffffd5}, 0x2142) [ 227.122957] block nbd0: shutting down sockets [ 227.129011] block nbd0: shutting down sockets [ 227.156679] FAT-fs (loop2): bogus number of reserved sectors 08:19:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401070c9) [ 227.170997] FAT-fs (loop2): Can't find a valid FAT filesystem [ 227.212468] block nbd5: shutting down sockets [ 227.224119] block nbd5: shutting down sockets 08:19:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x125e) 08:19:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xc0481273, r1) 08:19:51 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x5040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401070ca) 08:19:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$KVM_TPR_ACCESS_REPORTING(r2, 0xc028ae92, &(0x7f0000000140)={0x6, 0x2}) r3 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, &(0x7f0000000080)={0x0, r3}) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x161) [ 227.259068] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 227.285059] block nbd0: shutting down sockets [ 227.292101] block nbd0: shutting down sockets 08:19:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x200000) r1 = socket(0x2, 0x1, 0x0) r2 = gettid() tkill(r2, 0x16) r3 = syz_open_procfs(r2, &(0x7f0000000000)='net/rt_acct\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') ioctl$FBIOPAN_DISPLAY(r3, 0x4606, &(0x7f00000001c0)={0x8e6, 0x10, 0x3e1e, 0x480, 0x8001, 0x3, 0x18, 0x0, {0xc7, 0x1ff}, {0x2275, 0x4}, {0x84, 0x9, 0x1}, {0x3, 0x400}, 0x1, 0x1, 0x7, 0x800, 0x1, 0xa5cb, 0x2, 0x5, 0x101, 0x3, 0x0, 0x7, 0x1, 0x100, 0x3, 0x6}) sendmsg$TIPC_CMD_DISABLE_BEARER(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='A\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000e00000000000100000000000000060000000002001365"], 0x5d}}, 0x0) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x400, 0x70bd27, 0x25dfdbfc, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000}, 0x440c4040) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:19:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x125f) [ 227.349002] block nbd5: shutting down sockets [ 227.355678] block nbd5: shutting down sockets 08:19:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1260) [ 227.415508] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 227.439526] block nbd5: shutting down sockets [ 227.447052] block nbd5: shutting down sockets 08:19:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xffff1f0000000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401070cd) [ 227.473220] block nbd0: shutting down sockets [ 227.488671] block nbd0: shutting down sockets [ 227.489457] FAT-fs (loop2): bogus number of reserved sectors 08:19:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs\x00', 0x400000, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) fcntl$setlease(r0, 0x400, 0x1) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) write$FUSE_INTERRUPT(r3, &(0x7f0000000140)={0x10, 0x0, 0x5}, 0x10) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r4 = syz_open_dev$ttys(0xc, 0x2, 0x0) r5 = gettid() tkill(r5, 0x16) ioctl$TIOCSPGRP(r4, 0x5410, &(0x7f0000000180)=r5) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:51 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 227.526497] block nbd5: shutting down sockets [ 227.540431] FAT-fs (loop2): Can't find a valid FAT filesystem [ 227.551174] block nbd5: shutting down sockets [ 227.601062] block nbd0: shutting down sockets 08:19:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1261) 08:19:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401870c8) [ 227.622102] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 227.642966] block nbd0: shutting down sockets [ 227.684994] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 227.713373] block nbd5: shutting down sockets [ 227.714048] FAT-fs (loop2): bogus number of reserved sectors [ 227.720787] block nbd0: shutting down sockets 08:19:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401870cb) 08:19:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1262) [ 227.736281] block nbd5: shutting down sockets [ 227.741687] FAT-fs (loop2): Can't find a valid FAT filesystem [ 227.745812] block nbd0: shutting down sockets 08:19:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401870cc) [ 227.798211] block nbd0: shutting down sockets [ 227.804337] block nbd0: shutting down sockets [ 227.854987] block nbd5: shutting down sockets [ 227.864298] FAT-fs (loop2): bogus number of reserved sectors [ 227.864657] block nbd5: shutting down sockets [ 227.881791] block nbd0: shutting down sockets [ 227.890574] FAT-fs (loop2): Can't find a valid FAT filesystem [ 227.907295] block nbd0: shutting down sockets [ 229.852263] NOHZ: local_softirq_pending 08 [ 229.857786] NOHZ: local_softirq_pending 08 08:19:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r1, 0x10e, 0x8, &(0x7f0000000000)=0x1, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:19:54 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xffffff7f00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1263) 08:19:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x4020940d) 08:19:54 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 230.477471] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 230.482200] block nbd5: shutting down sockets [ 230.488244] FAT-fs (loop2): bogus number of reserved sectors [ 230.494388] FAT-fs (loop2): Can't find a valid FAT filesystem [ 230.498029] block nbd5: shutting down sockets [ 230.511728] block nbd0: shutting down sockets [ 230.528408] block nbd0: shutting down sockets [ 230.539541] block nbd4: shutting down sockets 08:19:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1264) 08:19:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x80081270) 08:19:54 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x1f, 0x1, 0x0) r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) 08:19:54 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x5) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) sendmmsg(r1, &(0x7f0000000b00)=[{{&(0x7f0000000240)=@l2={0x1f, 0x40, @any, 0x6, 0x2}, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000380)="696e9c01158efb9c8f5c748a2a6405317bef80754547ef1ca329727da1ae4cbc98dc7db243dfcfc3f9e2c16beaf902963e714d5f7e135173d0dc60da9a4ae71232cfb7d85c1f66c0a440fb9b5c8bd6ff1ae48489b11d", 0x56}, {&(0x7f0000000400)="4f20b591ff90e354c9a4ae9df08fdee119a1ff2b5660065719801cdc876dfede4bfadf31c857a227b25986c7093552fe7cd7da87a711d014bbcc503ea012ef32b1c5d9c942e95ba202ef3203a9009b660032613245db56053921ef9f8700c84bdec69b7f8a019de3cbff0f567f70b0577dd629e4dbcf69729ca966743f", 0x7d}], 0x2, &(0x7f0000000480)=[{0xf0, 0x107, 0x800, "be59766d7ce5226b3a026a3099787189659850a454da07132e2ee800ed895044fa757ca0339351a49879fa95f29bc43faece8cbcfd25128fe6d99a20c40e73ab929f9f6d2a17dafbf9db989187b92c7c08dfb6dc7c7939feb19ff401eae51bddd20e78eaf86e8643840755075f95dcac53611509d3e75bccfcb455370515d9e4c94eba68abf8b5111eb2286be5065b38714365ed4cac16c864ba04a5c4797f0c9ab16297a945c5d69627282f0f8b8cffb0f3f350a1d23feb5c339efc6761a25ffeaa844dcc8d926c0bb39809090ec6b20da03d7f5aeb24f73dbe131b"}], 0xf0}}, {{0x0, 0x0, &(0x7f0000000700)=[{&(0x7f0000000580)="9ccb0730c37983ba7bf60f2357d29b5ca67121a005f59b4c9b9cd4a2c29bb484eda0fb9769878a57e50f2bf718bc19aa2669b4e4ecf803132703a1768a23debdc07b5886dd7ba59c5cfbe630363e91722862884c0392c261080e011b25f1b7aff88d24f01812f750", 0x68}, {&(0x7f0000000600)="b756604e14cc45ab1785ec9178dd6109c0f054067873305bc0f4c24c7b570f29cd16cda8d454059a02c85704da71c3a460ab6aa8f0f1717d5e11bfd12d3045b87b5b21d4e6f1e3da2899645dda4a05e997493b08343d47aeb8970fcbfaf875f323f7935e0d823ef884df0fbea859f8e6e7e8ab657097334c3c2fcbc15b4d8381f113c026a527d36e811e91fdee0761aeb7abb742ec8157215a167b5843162d9b0d5dc5d83f47e8c6e7628cd125e22d4f96eb6108ed5b2348fc", 0xb9}, {&(0x7f00000006c0)="6b61576825e0", 0x6}], 0x3, &(0x7f0000000740)=[{0x70, 0x110, 0x10000, "fac2bcb511269b161732d35a18612590161123a7089e42f406687d427f27faf587b5af41caa638b131df612cd3a5b86790657f1518d313ef59f3c5c0613cd75b9414bac481492bcd83c0eefca876d97a4a55ec561cc80b63d422f1347c44"}, {0x100, 0x0, 0x1000, "a661d0fe70635f69a05a3935adef9790edf8996c4df5532b26edc174541cfbb524923ff66cd2be1514521bbe10bac1e7b748afbffbe35a0e01c9a2d7f77aad7fc7641713afb88ec3943b0d7b796b1ba7092b7f169353995bd5dd0ee10ed3cc24933c442559ed670af01cfba7d9ce0438237a365ce9daa61b19f8773bd6f12d8bbef8b3f954f2b9db969b54fb3efdf588e885e0a568c8b90b84de0d32f0832bf8416c6008ef03f6c5100862fa356b11c00d54f0e77509e263fb577ac0720fcf056d8923f8398f4b52c8221255b3ec463ea6cc2cfdc9a8477a0245e96db5136b7c76e44babd08d33ef18aebee0"}, {0x10, 0x111, 0x5}, {0x100, 0x111, 0x3, "df79bf4d306274cfb9a3836b87fdd49d7f69c2d90d717f855b570931c2d1e0b0a3e449387e06aca98c74018ebaff3481a1b60a1c577593af6a1bca8fee6c7ab5aa03c307cf25b171dca99df7dd927c75d6cc3e89d65419392e3d2cfeedf7c92c67db58b05c4bcff47daac4ffc5e9fc6588f0178e2a4285b145f85138ee88869b47ee752fd2dcfe9dae7805f979cf750d9b7ca00cf23bd9a287fb0ceb2f8a3a2553a9e02e28eab9cdcbab8435065f05498a3f5a686a9ebba27d53f4e35256c6283b6598071411164029d496c1a839f732913faf0626882536b3d00f6e78fce86febad378d5532cd28de"}, {0x88, 0x1ef, 0x7, "25da0475c2d01b4b146a55515cbc3e752a58fc8568e54d11bfae067ce196967fc5d810eada6d2105d5c139a368a5ab74556240bd463983d7e6ccb74190b3b29331f0dd055771e757fad04fd89b383f4b67a0c3811fce1280767f23d6a7caafec36beb9946772d9ee8587b6250047a6a5b077f5e13e1e18"}, {0xb0, 0x117, 0x1, "0361b662f2af703de3f7ae71122debff665150fd74274e3d71b28f50c580fe6ede947785574a324350d3c07482c1458faad98c9209d2839886ce65b455d2a8acbf78faceb2568ee9a372c282e1ba2c3038a00f6db3d6c5b52a453804f8e064bbd207cc4e6b6e84d0f4cc53a0560e3d5207ece4d92437132b3889f0ba498a95fd3614cf983b1889599a3a8057f65a88d55cf082432b1b1ad7de"}], 0x3b8}}], 0x2, 0x20004840) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer2\x00', 0x600140, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f00000001c0)={0x2, [0x0, 0x0]}, &(0x7f0000000200)=0xc) r3 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) getpeername$packet(r5, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r3, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r6}) sendmsg$FOU_CMD_DEL(r2, &(0x7f0000000c80)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000c40)={&(0x7f0000000bc0)={0x44, 0x0, 0x620, 0x70bd25, 0x25dfdbfc, {}, [@FOU_ATTR_REMCSUM_NOPARTIAL={0x4}, @FOU_ATTR_TYPE={0x5}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e24}, @FOU_ATTR_IFINDEX={0x8, 0xb, r6}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @remote}]}, 0x44}, 0x1, 0x0, 0x0, 0x1000}, 0x4000000) fchmodat(r2, &(0x7f0000000180)='./file0\x00', 0x14) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = dup(r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) recvmsg(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x0) [ 230.619931] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 230.639907] FAT-fs (loop2): bogus number of reserved sectors [ 230.657439] FAT-fs (loop2): Can't find a valid FAT filesystem [ 230.664961] block nbd5: shutting down sockets [ 230.682628] block nbd5: shutting down sockets [ 230.689663] block nbd0: shutting down sockets 08:19:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1265) 08:19:54 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xffffffff00000000, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 230.736302] block nbd0: shutting down sockets 08:19:54 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x7000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:54 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000001780)=0x20, 0x4) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000017c0)='/dev/input/mice\x00', 0x82080) sendmmsg$sock(r0, &(0x7f0000003180)=[{{&(0x7f0000000000)=@rc={0x1f, @fixed={[], 0x12}, 0xb1}, 0x80, &(0x7f0000000180)=[{&(0x7f00000000c0)="5cf9c7bb1b93f4264e7d41b185962751caaab7ff811101945bae4a5dd499469dff583404c7aaf245ffbd2584ba1f6fe90b13b0446175d934ace7967a4d4d76c8710bcc0f79f87e93ed3c328a00ef000858ccbbafdd7e28a1d53d289518b0f72d18136f9a3b873401a8158b75e70a8c7a02d2dc212a645241451e92dd6e0f8a15a2e53fcc67f414ab93299d80eff0930de2932f1a2cdabde1050e027cd3c0be31", 0xa0}], 0x1, &(0x7f00000001c0)=[@mark={{0x14}}, @mark={{0x14, 0x1, 0x24, 0xff}}, @timestamping={{0x14, 0x1, 0x25, 0x100}}, @txtime={{0x18, 0x1, 0x3d, 0x100}}, @timestamping={{0x14, 0x1, 0x25, 0x80000000}}], 0x78}}, {{&(0x7f0000000240)=@qipcrtr={0x2a, 0x0, 0x2}, 0x80, &(0x7f00000016c0)=[{&(0x7f00000002c0)="542329fe7a53e159ecc6e302c084f96532ab7e0b903561758b6c147c21ac510f277a3f33b9f4965461a2f7590cc8f4a0698f3173341bb2cdf7ad3129f2ffea0a87cae413e4f86fdba722ed555ecefb7ea37d7f83b3b41e2330d6f62d6b292078c94f218c0d5a055c796abcd0876e195c74be51126865030da2d53c17b6f337af6384", 0x82}, {&(0x7f0000000380)="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0x1000}, {&(0x7f0000001380)="aa1c7d9e71f46f450169e7ddca7376a17dc4adffa5c775b0640660f1d6441dd64a61bc3a354aab735b96e195dcb19cbd8806ffc0d4c8f233f192bac69d5463e3f4e23db63b96ae6a0520f2ca6766", 0x4e}, {&(0x7f0000001400)="9ae83fb9dc9875d5e1043b04a754402c35b41129fe7aeb6a8ee79a2eb56909acb1ef451ba7894773f9340e4f6c726fbd935c89c478a3f5dcd6e623277b1313b0543cef676d7ccf7b39628bf3b2", 0x4d}, {&(0x7f0000001480)="54a75cc5dcc9944bc54af99d61021c473d323269f7e62d5e31337acd9cca64f2821612585a6d16fc04491a50b088543667386cc70965f8aef8079262a6e960", 0x3f}, {&(0x7f00000014c0)="dce9b43b3a9c3d7c", 0x8}, {&(0x7f0000001500)="bc7726a40c5a6ac4eae63995c50ca4b3568473e99ccf6e2e23d6e2ef9ebf8260b63aac9e64fea4b9a20f6c66f2395a47a9dd5709654f0e43f295691f5e8f75f21cd6d80205ae0fa8594e519948b4f7321471285af723041e73185bbdede93c000bbe7603c252feb50370a2dcdc8d67e5a67ee664fc32a0f8d84512146eb523a38123bbac54b914f88b3ecd981986df3cd0e35fad", 0x94}, {&(0x7f00000015c0)="b1b96825afc6b658306143b45314d01a37eeba9d8a1f22e06a077d9acdcbecfe6d1504d1beee128afb33547384d6f2c0d58d08ca5cde4df14e313d40b46298a2ef96035a84406a9afeaff10a1d789c517c8bd4870b46c4c392c182be3e86ae44d7c8de387be9118220a5240530214d564d1f159648abd9b1a18c3b27ced7ddfae863f86a5287e8390ce5bda82aad237f6cdc856f7f009c7aa8ee", 0x9a}, {&(0x7f0000001680)="6f32cc7627cad6101896e822baa7644e9ba93c4964ba85f2f77956c465274c8f7cce168607a6e12f91f8456a297224", 0x2f}], 0x9, &(0x7f0000001780)}}, {{&(0x7f0000001800)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x1b}}, 0x1, 0x4}}, 0x80, &(0x7f0000002d00)=[{&(0x7f0000001880)}, {&(0x7f00000018c0)="0a5067c9a1f3da8f548688b7025518830c85c897e2ebe5d5f9f2b9de3b5f89279500f03bc0f897b1f70d035a57deef2ffa7e3f2c3709fc8f938fd60d6e6c8566a63c15f47268aa6d2f6e3fd6a572d6fb2eee1bc0a743189b06dcc444a6e578ad8de72a1fe26adae141493bb4bdd4785a0041d4e115c2299ecd54850470d73fbe3c057eed83d989b899504d02fc251e7e9c363c326fd6c3dda27a3dd283e7ea6c2b855e778301f80156270d133b8ccc59eae792016c403ba63b36ac9cef9d5bc17bd5269bab09ce3e0581b0acd7fb543ff246ede97d676bccc414efaabbdd2ca8e372e5ecab115ca9027c37161853ce8a27", 0xf1}, {&(0x7f00000019c0)="0dbd801e6325284ded23b3e18271460aa54169e8c9b263167a8959e84408066a3944d0b71dbb6b2f36e9b915b5ad7da1dcf5ff548b1d963b02f70cdee1aaf97b7a8d90b038d64ad33eb68b42fd942ff9945cb9c245ebbf385022c09937", 0x5d}, {&(0x7f0000001a40)="ae0ff2", 0x3}, {&(0x7f0000001a80)="d84754403fa2e72c5b30c5780106ad", 0xf}, {&(0x7f0000001ac0)="9819694f9f4dbcb728acc7b92e32986cf1fd88dbf2a3316ae46f466a08675334f67bf5b85b8d8209c20ae5cf7c5de30f84bb64a42ce00e0410a851adee249ae3f688170cb981d27e8d1a49a4db07c9994e635aa436e4cff6f9d693c28f7542925a97c709e5fb4103201a89cfdb7f299f631d2ac372bebc14b454778363ad37a9521f2cc85220bb49a63104542359409d3d64e34b593e7d3903efec1217a89052bf11cf19d9fa476ee845866838bf4fb2cc557dfb1b8b77006e13cf8b5e1f99f252797e1db7afc325de28680698845e11078770f367e5696562503cbea67152442c2815f96a952115a58e3c2f2650a8d38f7614cae99e8a", 0xf7}, {&(0x7f0000001bc0)="9f475118c7db9c6cc34c27b0c43d1bab4efaf9677013572241ff508f897dafc05ebec6318def4be02d835932cf6874e0fedaf9df74c1a17be19bf47082f4716d78143dbc3388815bb7929248a1b54728435889b26940c86f36a4f3e3a1b5e868fb8bed16bb866ec7be5be50bc6e4b823756017157ab3699a55040e63e8c4dca9d3221f288226c4819bc7faaef12ceb77311afda07fba913c8c574eb0983f4a9e335a7c306c7c290abecd32ec3fe97a3f962848c3457fef1bd34aee0096f378b7838ce9e96c26ad20946f410974f568dae093a04dc954cf7f2161909c9b6f373bd16b83d09a7664d51298ea99437722e26e9fe4cebf3f68e009986ab19fc6560e7706e18966235de85e58d3ef08c459c840bc03bd47fdc4568178f9a552a0331bffd9188fa3720b640022a9490b030b407097951005cca6d7232a17892c63c52da344c5b918c5e36115185d6774300364370824160387c8c0fd9fbfed79662d482ff1e960aa025a31bed6f2b09bca61b0212abe8583ad84f6a2b0fe1776aa54ff8d7dc76a4a702e5f52b091906dabcec1794f80033806e22825c8a708b201d43c24203f98837543a94845d9202e255a94420e6145cabbe084aef5b201e238c00d02259e8a559f16b724b8463004b60e01865e0c1388cf43d8e4062efe1d2849e05d4340d7f71b74fc4873824ce642a03b8ff4c5c46dd8db48216cd668d347670ff5854874207e5137f9e393b220880bdd76afc5303b3378dae379e34af077d828539edb9caf9a7742743928bdca30c89c22985e76a1aafa7b57680813ae6d5348fe1608e75531f4bcd08ebf399ed1f2025cc9946d8da73bf72bfeb7e77c6bb9a2ac8820ebf1a0f48c0d2550832b94127c432859597401259b300e667b2e4b8ac06ee75b4c75cf8eb179fbe3ce80ea8a53d9875d3c2cebec10fa46211385df1846d5b70bb38bb9619abab81048bdf92a1895aed2a9d94be57a4d3c297ad5178e551f30251dcc38829ee0940078e69b5b356e193b193ebf396cbb331c2ff4e060e124a6878e3a4d50df9fdeb41f2a09a07afa5be3c0928858005396241a8b31e0d3950b25324097e39a15535815514e86fd383d498df4109a2582e8e429a5983f8f6960983257e9540c4a2582573f5951b8bbf3eca5f17f1a99a404d5c32c026b9a08a668f8ed06800d1342024b8ad150c2e7e2e5c827bd11fe543b405f00f4e069083e53fb90eb909950ffeebfacd633f95faf4568e9b6f6760407caa2235fb011555bb8fccc7f6526beda58717f398bfa5703f861181ca6b2dc9185103245172e979f417602104c012958ae954489444f4efacd0f3b547a5f397aa689aeeb42590a7e0f7cab337da35040ecc54437c8af80deb5a9ca512f244fdfac76223a9be9b3368485896c1e8c1d4dc389dac3a2da30a4a9bf941d7576a746e76721fe46c59b3af36636d631a0462cb75340e5c623e2f751efed211c918fc7553b4e125c8823d7c89e2c0bc7bedec819e8e0b399c5ee757321019bc138137923a0808839affbfccbe3c1667b630d2751bc05cc3efb8fcd6ad6d1c84ea179e9abd692f2e045473056064679f40be1e7ed60e70cd25719ce6f8e2e09c674133349df3684fe87983b4cf50360f96baf2cc495d2ecfbd3aab3d259a7c6fabd8ec7ed06dfd281891160eb4d930dd877409ccb23e2254874f72c0dce1e3d087800e0402b01fd2cf0d86fe5bfaf2fe0878489fdd11ec067868263d8837ed0cfaeb2b6bc1a10cef73697db2a2b785802a82033ad2c61ad8e75701173b070767d19d23e604968f20a78923c583479f6b7302eb88ea4604c17db736de3ccb21b507fdc70a78d6bce3be65308141d2870bffc2690403bd7aa48caa25ef0065e667883f1faf70dc94194be6b7604ae6e527a6017c7994daa2003340adebc5d6b1967cffa3141dcede6a0d407b400ab6db46364f5d2fffd2419ef198291bd4b16e09e76f4c51192f8269b3bb7b200c67883151099968b8938883dba7a84e13e741efa9d7085f0f0973e86037913acbf6027d40e00911378d72f94696bf728130aa50b2db281fbcb18c28f50b34a289eb9aed75877efa0ec0135f78ba01ed8cf75a6a5e58e4f2c2031cfd2bce23a60a502e3f78e880a273b549bc94f3a8f3d42471f0adf3aa543df7279db2615b18775c0bd77a67181d4a5d2ac415872604c9389f356f1aad4423d90a3a6215a82ea8f0030bea0bfc935ebc5337ebbc408b1de6e57950fdcd20762767293fc0126e379727cf295d0b583d1d16c1bc563143699cbe4c822a7fe2eba4cf0e69e6ffd45f3339dbaadfbb18581c2b40983cb58a4eecc8a46f22b4a0d4d0f80a212f04a30ea56de9f7c3f0daef14592ec8ab12bd3016139bb298abc370b12723738b74568a2a5ef8107c4c141f6bdd53916d1e3ea7d88afc94df8ab67a66ab875dc99c2fd6f8cffb1ec159fe1e3d7ea1aa81e22d957a77f22eb8bc1cfd77100bd90c7ec13dc306e12541253e4ff0d2ca37d70b494086cfca186557611070dd625dbaf26ddd0501f964b7b05c92505baeed3532280a5b3c8357886b1add6a3fe9d1ac8581ffcc36a7adb7ba7a661fef729288532066960cfde71567be346babc6a1597ee3329377100b54289ff681004e8040d74d654f0ef96c5d431feecc4dbe5ae01bb49af8f8315f7da35a38f0763cb590c52caf80e831c971ea33ef050fd9a5c8be075cd5e8c866c836b86e4f8584b4470e0518e51cf619077361b7833d9515800b5da4254dc9ad3f0230ae22c15a6421773a3d4bc0cbf7b38069e2fdc5da940cad18e5732ec13be1ff7a88bbf59d1f86d570e14502b75a5b22632da097226d25b1ee851dabd90bc82164a075faebb3815a92b88fa2a0c82da03447c3d93301c911c74f430400ba11768eee937a23f91d2d839e7755b4d49cc77d0e1e7940aa11d7bc03a548a21ad67279eaf0c9b8a3d38a12794a26850092aa7c8d730d1b40b62e6d8084c575d677c7eb738e2840ca4a5d4317b4841513a5b856971e2ec2afdb595e9971167960746a9d6d1990633570e4e4fd3a2e674c0cc1c733432ad8526dcf7e2ca28cd23dc60538e0424ceb85e653cbfe424f39b623f8acefd578b544c6a545ac30b44643146fa08ece44e9fb46d374fa5261dfe41d21fde56d212b415405d66d67177baba2dbe8860e3e6e175996fc05be178de3f092d45b80c616cc2439d4265f2efa8b4b36118776df6fdd8fd2f204a8b96e61b78ba225c7a97e7727d7d4bd0787c31d1441bf9015177a902007b9afda4f98e034c7f0e59a2ac7fd953cf47c6e7274762e8ae5aa8cc023d29c3f7d368ba7776ac6e36fe0fafc92b522a4c7d5702b5bd635d0fa6d504d34f24c0f7ee4405edddb3dd8e85c40e075fbbcb82a5819bdf8dcd4024aa6e2bd0bf7d20363b9c5f47df1db9f47f79cf3620fcb02d4a123e1dc1ef67727e712b5cd50b58e360429a063e7a58449a49c08fe4504d9966f65624a9deec3ef3df01409061c041a84ab3a109386345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0x1000}, {&(0x7f0000002bc0)="e435c69d2cb23fbc2a5ad98127034aa8716be8eeb0aa8622129373c782d72ed2f248f9dc574259018f2f7c7422bc9938ca1f90ecc99522500596ecf09d685d638c7ecd507a9f1baaa470bc527a0b2279cf03e8bb54be9946a63530c4c00298ab486571e95965682ffa", 0x69}, {&(0x7f0000002c40)="7c0060de3ce2e94829f99f69a6b73a9d00063f7537f8742c5082b20647952e6196d7c833a1f12e6a2c900392ce83a49fa3269c5b7be6ac7a9a3026ce5a938ab7ec0e6c9e5d805f0b0375dad79714167dadd6b91a99488b171b6e3be1bf498d20298e25ce75082fa9bd6276210ade75", 0x6f}, {&(0x7f0000002cc0)="db4f74778ceeb80bbd2102fe0b552d41f94369", 0x13}], 0xa, &(0x7f0000002dc0)=[@txtime={{0x18, 0x1, 0x3d, 0xc3f}}, @mark={{0x14, 0x1, 0x24, 0x5a53}}, @txtime={{0x18, 0x1, 0x3d, 0xffffffffffff7fff}}, @mark={{0x14, 0x1, 0x24, 0x575}}, @mark={{0x14, 0x1, 0x24, 0x7}}], 0x78}}, {{&(0x7f0000002e40)=@x25={0x9, @remote={[], 0x2}}, 0x80, &(0x7f00000030c0)=[{&(0x7f0000002ec0)="bd65d48584f1eb14c0f3774a75b4ac5f440c96949bf76072ed688d249746674db2ac8b02fcf045370bf4d29aae34c108d8dde4498688e7ac6502b17b73dd60cee10591e22fc9ee2d098f2d4ea006eadedd71db49a0a1685c9bbe696947bb418fd4dc344c355bd4333c8fdb7a6019a945c51eb1775d9fb26c479ae4c10658ccc92e2e4cf8a190cc", 0x87}, {&(0x7f0000002f80)="b978f6dd76f424f70c3af9f1c70f6aac3c481f39b2eda6eb0b7c15be72b8d4034a09dcc53bdbc60769ca04f01185c6a45a19681feaa416a98349cdc7261fc487efc613ab95e4c06730bd7933a35a1519b222c35f85d7b1018aef654186d917d11bce34c30c32d167f215f6223a5f74af21813bdda28ef379cce5357c66ca037330826908321ede5ecf31cffa5ffb34cda835d63f38001023181d8c135ead54a5f8bfa400bfbd44c3bab8ab5317b23b74d907604c61744894083f2207afebf70e731c64628d0b5504172455f64cc55cdb8275477c5e2d37df010bc515c424f5d48988f93385d7b124", 0xe8}, {&(0x7f0000003080)="26f93d909f1b5948b193496170c32133b01abd8fc069e8aac2ad8b6275d582286551cf1030311fe9e036db5c54f1ad76686ec86f48e81e3267", 0x39}], 0x3, &(0x7f0000003100)=[@mark={{0x14, 0x1, 0x24, 0x8}}, @timestamping={{0x14, 0x1, 0x25, 0x4c}}, @mark={{0x14}}, @mark={{0x14, 0x1, 0x24, 0xff}}, @mark={{0x14, 0x1, 0x24, 0x2}}], 0x78}}], 0x4, 0x9ba98b7b1a092125) 08:19:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x80081272) [ 230.816897] block nbd5: shutting down sockets [ 230.845958] block nbd5: shutting down sockets 08:19:54 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x35, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 230.875111] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1267) [ 230.928223] block nbd0: shutting down sockets [ 230.959123] block nbd0: shutting down sockets [ 230.980734] block nbd5: shutting down sockets [ 230.989960] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 230.990057] FAT-fs (loop2): bogus number of reserved sectors 08:19:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x80086601) 08:19:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x3, 0x800, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 231.023041] FAT-fs (loop2): Can't find a valid FAT filesystem [ 231.037515] block nbd5: shutting down sockets 08:19:54 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xffffffffffff0700, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:54 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x111002, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r5, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r5, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x66, &(0x7f0000000040)={r6}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r4, 0x84, 0x6c, &(0x7f0000000140)={r6, 0xfe, "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"}, &(0x7f0000000280)=0x106) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r3, 0x84, 0x6, &(0x7f0000000380)={r7, @in6={{0xa, 0x4e23, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x5}}}, &(0x7f00000002c0)=0x84) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1268) 08:19:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x80087601) [ 231.119331] FAT-fs (loop2): bogus number of reserved sectors [ 231.145855] block nbd0: shutting down sockets [ 231.152576] block nbd0: shutting down sockets [ 231.159211] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsa\x00', 0x100, 0x0) bind$alg(r2, &(0x7f00000000c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts-aes-aesni\x00'}, 0x58) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 231.212358] block nbd5: shutting down sockets [ 231.222647] block nbd5: shutting down sockets 08:19:55 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x7040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1269) [ 231.257018] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 231.297601] block nbd0: shutting down sockets [ 231.310533] block nbd4: shutting down sockets [ 231.333558] block nbd5: shutting down sockets 08:19:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0045878) 08:19:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1274) [ 231.359698] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 231.378326] block nbd4: shutting down sockets [ 231.385683] block nbd5: shutting down sockets 08:19:55 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xffffffffffffff7f, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 231.482796] block nbd0: shutting down sockets [ 231.495826] block nbd0: shutting down sockets [ 231.518744] FAT-fs (loop2): bogus number of reserved sectors [ 231.521386] block nbd5: shutting down sockets 08:19:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0045878) 08:19:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1276) [ 231.534039] FAT-fs (loop2): Can't find a valid FAT filesystem [ 231.544072] block nbd5: shutting down sockets [ 231.565506] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:19:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0101282) [ 231.604234] FAT-fs (loop2): bogus number of reserved sectors [ 231.619118] FAT-fs (loop2): Can't find a valid FAT filesystem [ 231.620448] block nbd0: shutting down sockets [ 231.635803] block nbd0: shutting down sockets [ 231.665381] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 231.682907] block nbd5: shutting down sockets [ 231.695974] block nbd5: shutting down sockets [ 231.720372] block nbd0: shutting down sockets [ 231.742152] block nbd0: shutting down sockets 08:19:55 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x8040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) sendmsg$IPVS_CMD_NEW_SERVICE(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f000000b640)=ANY=[@ANYBLOB="b80c20d2e14400e0d36e120000", @ANYRES16=0x0, @ANYBLOB="00012cbd7000fddbdf2501000000080006000a000000300001800c000700210000000f000000060002003a00000008000b0073697000080009007d00000008000800070000005800028005000d000100000006000e004e220000080006000080000006000b000a000000080003000300000014000100fc00000000000000000000000000000106000b000a000000080005000004000008000900090000001400018006000100020000000800080002000000"], 0xb8}, 0x1, 0x0, 0x0, 0x10}, 0x800) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = dup(0xffffffffffffffff) getpeername$packet(r4, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r5}) r6 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = dup(r7) getpeername$packet(r8, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) ioctl$sock_inet6_SIOCADDRT(r6, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r9}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f000000b600)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f000000b5c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="1cb200002c0004002bbd7000fbdbdf2500000000", @ANYRES32=0x0, @ANYBLOB="08000b000a0001000a00020006000500fffd00000b0001006367726f757000005c900200cc030100840100000b0001006d697272656400008400028020000200ffff0000030000000000001000000080ff7f000003000000", @ANYRES32=0x0, @ANYBLOB="20000200010400000c000000060000008d1100000300000003000000", @ANYRES32=0x0, @ANYBLOB="20000200000200008100000000000010070000000500000004000000", @ANYRES32=0x0, @ANYBLOB="20000200030000000080000007000020070000000000000003000000", @ANYRES32=0x0, 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@ANYRES32=r1, 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0xb21c}, 0x1, 0x0, 0x0, 0x4040001}, 0x40000) ioctl$SIOCGIFHWADDR(r3, 0x8927, &(0x7f0000000200)) r10 = socket(0x1a, 0x800, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r10) 08:19:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1277) 08:19:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0189436) 08:19:55 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) sendto$inet6(r3, &(0x7f0000000240)="9d21e3d5516e1cb1af13ce40060616e6e76a520b", 0x14, 0x0, &(0x7f0000000280)={0xa, 0x4e22, 0xe7, @mcast1, 0x40}, 0x1c) ioctl$KVM_CREATE_PIT2(r2, 0x4040ae77, &(0x7f0000000200)) sendmmsg(r2, 0x0, 0x0, 0x0) bind$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x376, @dev={0xfe, 0x80, [], 0x17}, 0x1}, 0x1c) recvmsg(r1, &(0x7f00000003c0)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(0xffffffffffffffff, 0x6, 0x23, &(0x7f00000002c0)={&(0x7f0000ffd000/0x2000)=nil, 0x2000}, &(0x7f0000000380)=0x10) ioctl$sock_netdev_private(r4, 0x89fd, &(0x7f0000000140)="c3e84a8a86f8b255c1e4937853cf22bf1d74e22f45366af05d1886602ba25ef4c6021a9ff6443e97f81ac0e1ad7137e9cb98f4850b1d9cd72c53883f036fac892e9a49369ed15a80997db06a7f09cdc786d777a4dc41eb83b4f13e96e164e0df9f396c00c3994d1cae69ff2fa7680d42d5e6288f7ab8bd42700455b60ff0f8c462a919c83457426af5cf8b2303d8976157686487dec62444f7fc924d5252f09c581efb26834516e3198c9ab39df6f2ffddbff582") 08:19:55 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0xffffffffffffffff, 0x1, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 232.069819] block nbd5: shutting down sockets [ 232.088684] FAT-fs (loop2): bogus number of reserved sectors [ 232.095920] block nbd0: shutting down sockets [ 232.096251] block nbd5: shutting down sockets 08:19:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2c, 0x1, 0x7f) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) sendmsg$AUDIT_GET_FEATURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x3fb, 0x10, 0x70bd2c, 0x25dfdbff, "", ["", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x40088c0}, 0x44000) 08:19:55 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r1, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000640)=0x14) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000800)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000100)=@newqdisc={0x78, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_sfq={{0x8, 0x1, 'sfq\x00'}, {0x4c, 0x2, {{}, 0x0, 0x0, 0x0, 0x3ff, 0xfd8, 0x0, 0x0, 0x0, 0x0, 0x2}}}]}, 0x78}}, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc020660b) 08:19:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1278) [ 232.132598] FAT-fs (loop2): Can't find a valid FAT filesystem [ 232.157076] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 232.162497] block nbd0: shutting down sockets 08:19:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x2, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:56 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x2, 0x1, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r0) [ 232.269131] block nbd5: shutting down sockets [ 232.275763] block nbd5: shutting down sockets [ 232.312866] block nbd0: shutting down sockets [ 232.329514] FAT-fs (loop2): bogus number of reserved sectors [ 232.341360] EXT4-fs (loop1): unable to read superblock [ 232.346789] block nbd0: shutting down sockets [ 232.349779] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:56 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x8a70300, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1279) 08:19:56 executing program 4: r0 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r0, 0x0, 0x0, 0x0) fsetxattr(r0, &(0x7f0000000000)=@known='trusted.overlay.nlink\x00', &(0x7f0000000040)='/dev/nbd#\x00', 0xa, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) 08:19:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0481273) 08:19:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) dup(0xffffffffffffffff) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) recvmsg(r2, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x2020) [ 232.464447] EXT4-fs (loop1): unable to read superblock 08:19:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 232.517442] block nbd0: shutting down sockets [ 232.535819] block nbd0: shutting down sockets [ 232.538936] block nbd4: shutting down sockets 08:19:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) setxattr$trusted_overlay_nlink(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='trusted.overlay.nlink\x00', &(0x7f0000000180)={'U+', 0x7}, 0x16, 0x1) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) socket$inet_udp(0x2, 0x2, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 232.571570] block nbd5: shutting down sockets [ 232.588142] block nbd5: shutting down sockets 08:19:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127a) 08:19:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x480900) r1 = socket(0x26, 0x4, 0xfa) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nvme-fabrics\x00', 0x430000, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f00000000c0)=[@in={0x2, 0x4e24, @empty}, @in={0x2, 0x4e23, @empty}, @in={0x2, 0x4e23, @initdev={0xac, 0x1e, 0x1, 0x0}}], 0x30) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$SCSI_IOCTL_GET_PCI(r2, 0x5387, &(0x7f0000000000)) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r4, 0x800442d4, &(0x7f0000000100)=0x382) ioctl$NBD_DO_IT(r0, 0xab03) [ 232.622843] FAT-fs (loop2): bogus number of reserved sectors [ 232.644016] FAT-fs (loop2): Can't find a valid FAT filesystem [ 232.718850] FAT-fs (loop2): bogus number of reserved sectors [ 232.729926] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:56 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x9000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 232.824121] block nbd5: shutting down sockets [ 232.839008] block nbd5: shutting down sockets 08:19:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127b) [ 232.904270] EXT4-fs (loop1): unable to read superblock [ 232.946385] FAT-fs (loop2): bogus number of reserved sectors [ 232.955789] FAT-fs (loop2): Can't find a valid FAT filesystem [ 232.978955] block nbd5: shutting down sockets [ 232.997361] block nbd0: Receive control failed (result -107) [ 233.001312] block nbd5: shutting down sockets [ 233.008662] block nbd0: shutting down sockets [ 233.025825] EXT4-fs (loop1): unable to read superblock [ 233.026367] FAT-fs (loop2): bogus number of reserved sectors [ 233.037584] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = gettid() r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) write$FUSE_NOTIFY_DELETE(r4, &(0x7f0000000080)={0x2a, 0x6, 0x0, {0x6, 0x1, 0x1, 0x0, '\x00'}}, 0x2a) tkill(r3, 0x16) getpgrp(r3) 08:19:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127c) [ 233.060425] block nbd0: Receive control failed (result -107) [ 233.067295] block nbd0: shutting down sockets 08:19:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x4, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:56 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x9040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0xa, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 233.166295] block nbd5: shutting down sockets [ 233.179165] block nbd5: shutting down sockets [ 233.197712] syz-executor.0 uses obsolete (PF_INET,SOCK_PACKET) 08:19:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127d) [ 233.216509] block nbd0: Unsupported socket: shutdown callout must be supported. [ 233.245796] FAT-fs (loop2): bogus number of reserved sectors [ 233.256466] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127e) [ 233.257329] EXT4-fs (loop1): unable to read superblock [ 233.274965] block nbd0: Unsupported socket: shutdown callout must be supported. [ 233.286345] block nbd5: shutting down sockets [ 233.296276] block nbd5: shutting down sockets 08:19:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x28, 0x3, 0xfffffffc) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_CLEAR_QUE(r2, 0xab05) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000040)='NLBL_CALIPSO\x00') sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$VHOST_GET_VRING_BASE(r3, 0xc008af12, &(0x7f0000000000)) 08:19:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127f) [ 233.363563] block nbd5: shutting down sockets [ 233.396691] EXT4-fs (loop1): unable to read superblock [ 233.403761] FAT-fs (loop2): bogus number of reserved sectors 08:19:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x4b47) [ 233.419155] block nbd5: shutting down sockets [ 233.424830] FAT-fs (loop2): Can't find a valid FAT filesystem [ 233.442514] block nbd5: shutting down sockets 08:19:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1, 0x4, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$EVIOCGKEYCODE_V2(r2, 0x80284504, &(0x7f00000000c0)=""/128) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r3 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) getpeername$packet(r5, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r3, 0x890b, &(0x7f0000000240)={@loopback, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r6}) setsockopt$inet6_mreq(r1, 0x29, 0x14, &(0x7f0000000000)={@mcast2, r6}, 0x14) 08:19:57 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xa040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 233.563398] FAT-fs (loop2): bogus number of reserved sectors [ 233.567893] block nbd5: shutting down sockets [ 233.574880] FAT-fs (loop2): Can't find a valid FAT filesystem [ 233.591142] block nbd5: shutting down sockets [ 233.646667] FAT-fs (loop2): bogus number of reserved sectors [ 233.654323] FAT-fs (loop2): Can't find a valid FAT filesystem 08:19:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ocfs2_control\x00', 0x240800, 0x0) ioctl$BLKROTATIONAL(r2, 0x127e, &(0x7f0000000140)) r3 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_GET(r4, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)={0x50, 0x1, 0x1, 0x801, 0x0, 0x0, {0xa}, [@CTA_TUPLE_REPLY={0x3c, 0x2, 0x0, 0x1, [@CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x3a}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @loopback}, {0x14, 0x4, @mcast1}}}]}]}, 0x50}}, 0x0) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:19:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x9, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:19:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x4b49) 08:19:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$FS_IOC_FSGETXATTR(r2, 0x801c581f, &(0x7f0000000040)={0x80000001, 0xffff0df1, 0x2, 0x1, 0x1}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x230180, 0x0) ioctl$PIO_SCRNMAP(r3, 0x4b41, &(0x7f00000000c0)="0ff5c34421028d8c00df7bfc30b81dfb7680642f7549bd461517d33f41fde43e0dc2abc193f13365101b15c663b82d26283d224084745c43d8d7b558a0822f9782cd031cd4c74534b1ec48364c9940abcbc8fa5fe50d0561ff63d70b31c149adad1040770e2418f13b5d8c07bf1f666feda7ee3e19aff1c18d37ad4be953109ffbc261ed27bd9e5ee06b59b0d96841ed9f68f0dcbf8ff80e777c58") socket$inet6_icmp(0xa, 0x2, 0x3a) open(&(0x7f0000000180)='./file0\x00', 0x101000, 0x0) r4 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/autofs\x00', 0x200e40, 0x0) setsockopt$inet6_opts(r4, 0x29, 0x37, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:19:59 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xb040000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:19:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000280)='mptcp_pm\x00') r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_DISABLE_BEARER(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='A\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000e00000000000100000000000000060000000002001365"], 0x5d}}, 0x0) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r5, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2080000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x30, r7, 0x800, 0x70bd2c, 0x25dfdbf9, {{}, {}, {0x14, 0x19, {0x101, 0x9d2, 0x5, 0x9}}}, ["", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x50000}, 0x840) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x20, r4, 0x1, 0x0, 0x0, {0x3}, [@MPTCP_PM_ATTR_ADDR={0xc, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5}]}]}, 0x20}}, 0x0) r8 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r8, 0x0, 0x0, 0x0) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r8, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)=ANY=[@ANYBLOB="a121a8bf32cb993620cbd5f54343bcb2b76b59ab90f7a2237810a1bf5e9bf4d5db3ba4ab44f8909af8b2a9bada14a294bb1118265003636d9487ede2a62dbf258afb99b802e8bd0d282a055133b01286bef66cc772f05d9f73596b3a81d7d2d1945d2023110b3f47ecc92609235ea9ebcdcb006e9cf75efccdb46127ef0f810ac326fa5efb4623127f8634d290d57376c5ade2bfeb4e7eaf0843e24d8e84b7a122de3d8699d5ddad174015adee1e159637c46f", @ANYRES16=r4, @ANYBLOB="010028bd7000fddbdf2501000000080002000600000008000300000000000800030000000000b1fe030006000000"], 0x34}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) recvmsg(r3, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x21, 0x0}, 0x12160) [ 236.191397] block nbd5: shutting down sockets [ 236.196488] EXT4-fs (loop1): unable to read superblock [ 236.212717] block nbd5: shutting down sockets 08:20:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x541b) [ 236.240084] block nbd0: Receive control failed (result -107) [ 236.249656] block nbd0: shutting down sockets [ 236.286095] block nbd4: shutting down sockets [ 236.297762] block nbd4: shutting down sockets [ 236.300826] FAT-fs (loop2): bogus number of reserved sectors [ 236.313566] block nbd0: Could not allocate knbd recv work queue. 08:20:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey\x00', 0x20400, 0x0) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000100)={[0x4, 0xfffffffffffffff7, 0x3, 0x8001, 0x1, 0xbb3e, 0x6, 0x3, 0x1, 0x8, 0xd3, 0x0, 0x6, 0x0, 0x1, 0x3], 0x1000, 0x40040}) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$KDFONTOP_SET_DEF(r2, 0x4b72, &(0x7f0000000000)={0x2, 0x1, 0xb, 0xc, 0x192, 0x0}) [ 236.341844] FAT-fs (loop2): Can't find a valid FAT filesystem [ 236.348191] EXT4-fs (loop1): unable to read superblock [ 236.357899] block nbd0: shutting down sockets 08:20:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xa, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5421) 08:20:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x80000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000fe6000/0x18000)=nil, &(0x7f0000000040)=[@text32={0x20, &(0x7f0000000000)="6c0fc72a0f070fc76e32360f465000c4e1a1e224f0660f3a155f2a8a66b8f4008ed0363e0f212bc4c2f92abce00b000000", 0x31}], 0x1, 0x24, &(0x7f00000000c0)=[@vmwrite={0x8, 0x0, 0xf, 0x0, 0x3, 0x0, 0x2, 0x0, 0xb8}], 0x1) [ 236.402552] block nbd5: shutting down sockets [ 236.409145] block nbd5: shutting down sockets [ 236.508997] FAT-fs (loop2): bogus number of reserved sectors [ 236.516305] block nbd4: shutting down sockets [ 236.521708] block nbd0: Receive control failed (result -107) [ 236.524450] FAT-fs (loop2): Can't find a valid FAT filesystem [ 236.537648] block nbd0: shutting down sockets 08:20:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0xa, 0x9) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) write$FUSE_LSEEK(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, 0x8, {0xd6d4}}, 0x18) [ 236.558300] EXT4-fs (loop1): unable to read superblock [ 236.568026] block nbd0: Receive control failed (result -107) [ 236.569382] block nbd5: shutting down sockets [ 236.579924] block nbd4: shutting down sockets [ 236.588038] block nbd5: shutting down sockets [ 236.594475] block nbd0: shutting down sockets 08:20:00 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x1f000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5450) 08:20:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f0000000000)=0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 236.727274] EXT4-fs (loop1): unable to read superblock [ 236.735818] block nbd5: shutting down sockets [ 236.757605] block nbd5: shutting down sockets 08:20:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = gettid() tkill(r2, 0x16) ioctl$DRM_IOCTL_GET_CLIENT(r1, 0xc0286405, &(0x7f0000000000)={0x0, 0x8, {r2}, {0xee00}, 0x2, 0x3}) fcntl$setownex(r0, 0xf, &(0x7f0000000040)={0x1, r3}) r4 = socket(0x2, 0x6, 0x80000000) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) [ 236.790383] block nbd0: Receive control failed (result -107) [ 236.802167] block nbd0: shutting down sockets 08:20:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5451) 08:20:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x31, &(0x7f0000000080)=0xfffffffd, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x80, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @rand_addr, 0x43}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) r7 = ioctl$NS_GET_PARENT(r3, 0xb702, 0x0) r8 = socket$can_bcm(0x1d, 0x2, 0x2) r9 = syz_open_dev$cec(&(0x7f0000001400)='/dev/cec#\x00', 0x1, 0x2) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001540)=[{&(0x7f0000000140)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000780)=[{&(0x7f00000001c0)="8936b0c98a45be030a348b5b5634389a0f4465d8f11ea0d4234b4a604c57a9e3ad9801893a7fd471cbf1e1d541e3831b4278ee428c2fd69a837ba540587e4c9c8b9e80cf34016377c598d67cd332e2f5d6d1d8ac351d12376b94ef76c5d0bf24d28691932522f65a90ad19258ada3fcfcd0072234551c36f3b2aceb39835", 0x7e}, {&(0x7f0000000240)="396bc16133f54b22098fb0e78d2ba86434e85a7101eae878c9274036abf92a6f876f0a73d12dc58a79e37ad06a3d4979cdd4e99873658e79335c24010475492cc9ff4a8afd65cc8e635a8abc0e4ba1eeb894fa2db83e5e87878a70cd36d13672d0954062ede19cb0c3da1035d9b46d2df7", 0x71}, {&(0x7f0000000380)="10c47e2ee4058ff0d9959021dcffcf94afe094961053cedfdfc1cde9bb044f36dd27ccf547324fc9b2f5efb5e62ba1c54e5d35e7aec56756bb91421a4302f79cc864a473ae6b149fee22613564d5158c8273c81d755d7652b67bcac9eefdaeb09be2b1ce7b10f38d43aba185478354af189d93a31307e08f3bc008134660d71ebf4c3f5ce02abead93282161494eb3e222a042e3421b9dd8bc12dd6593c5cbdae6e3f2c839e9f9bcdc3ae74d0afe9d5c5d50341b7a8bd79e6ac30602075342f4be251baade6cc96c56431c74f08b16c3be4e", 0xd2}, {&(0x7f0000000480)="d8c0c8e18a2cdde18714b605ab9ef922a22488731445a6235690699a5e1b567d853240723672b81ce0ab731ef1a70cbc92ab048325794a07a36e7247765f04ad1e687555fd491c4b771b3628ab8750988c1bec0923381973143efb54d2953b80b9f2f8c295753ac17bf861ce1e41abc0bd97daf50a11e6ae2b7237b5", 0x7c}, {&(0x7f00000002c0)="aca225e435cf583faa1ccfbf2ce1b68efa284ff3d834050179b788f46e9eece55ad66627c5debbe5eb2074734fed", 0x2e}, {&(0x7f0000000500)="745338391e6da014d09a57f23117313db66ca231ae6a9a508cdbe2b9bc24be8983741c25589d7be663facd3e5ea98b9fb5bc2c9fd210b926b734ba6e95bbc80bf050a85e8e968c949a7864eb18b6c8c304f6a3ac25101de614d068862e8951383070f6a6edfb6649a3e947ac50cea889d38ab1b41b79798e7ec8915382d7e47ebdbcde399ca6fa2727537da1e37b20ef36621641cc9e461ff03be2d7d6f09360d11f6ceb9e2a121b9601189bf539ebaa23492938aa11f0ad6e41f63ab2591dc6f08629caf80746cf01dee5426bcf0585d0f3718e6237092b71fe82fc34b8f6333b93ff79c6f0353e79b17fa0c0", 0xed}, {&(0x7f0000000600)="c8082fb4a51ec105c9ed651b3b933418aaa0191db493a1118ce5c2d185d56fa455cb0fc97b38b1a30b6c62bb97a5c69d52555ac492e3cf6f66185e5581da991cffd62a97ef228b79941395afef2d249b924300d74057583c7b664d580139cfd0ec808c6866a1dcec6bb838b02a7596f381b289cbce875a6b99f6f308c811cc6cd5082c0883528f2c147dcf2a9e190891829067ec9c6983782cda26e1889e516f565c26a1409fae4d691b12a3bd8d5a8cb8a3b85a5e408ed136b3f930fe406c6b219a00f6187c0b99304d06c33aee5c8ecfabbc3e7d5135463ed7db555509d6a2f9", 0xe1}, {&(0x7f0000000700)="3cb124267b75fcd6e9778c9731d5769607ad3eac99e345f95b3865149cb1e9fcc3e23cac59b0da2a28110f54fcb51153ecbe92d544c54138b07713ed0aa262ae93ef541c0aeeb4e11331952d3b30c01adb62e7dd154221ecccc65169c2368b2a", 0x60}], 0x8, &(0x7f0000000800)=ANY=[@ANYBLOB="28000000000000000100000001000000", @ANYRES32=r3, @ANYRES32=r3, @ANYRES32=r3, @ANYRES32, @ANYRES64, @ANYRES32, @ANYBLOB="1c050000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000002c000000000000000100000001000000", @ANYRES32, @ANYRES32=r2, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0xd8, 0x20000001}, {&(0x7f0000000a80)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000000d80)=[{&(0x7f0000000b00)="a0b527d9e84ec2fa24f45b68261bfa418025ea6c9b3e81a77f50b7c71bffb82b51", 0x21}, {&(0x7f0000000b40)="208e35e91720f52deb206295a368f7364b595cd92d6c88365b846e13dbd56dee9ea367d093b436ea37b23fd90c30258acd2a4817baf422fe97abcf866b08cec92e4ca0efba9f5f92cb92c6c7a200ef005ef97dc790ebf299e5e0490ba927a31c846da1325c8739e6de13103663bcbeed51d56bad9f06fc0dee2f4b5e76a3a431592dfa94abb3361893e4b6f823f687771b0c791de51d5c6d783147915f57ba5dd6d0b65f408a1838a8a062071477d02bf6b4cb8f125bb921fbf4046f2085fc5c4d19da4231", 0xc5}, {&(0x7f0000000c40)="d5ec", 0x2}, {&(0x7f0000000c80)="9b21feedfc1ebe19ce67574683e056dbf3e44d944d70a76b3c7f14c9c392635d86cee70130df96bf811e5d3ff0425fddc214b43467ec97fa746042e503165a5014c581e2b5f0f97dde7d27d51a231101affa8d4f0fb21ccdc1cfce43d8c24c4a0a0ae9fb03d02b1936d21e0482b833e7ccef42010b6357b405736449e6c8b1d097d6e94f03f917ca8f97d538074f0f5adcfc442c8531bedff6dc9d7c2b70bad1f3e25c3371558d874a6fb380e125d8d2585c741d116a0b05296f2cf9fd452572a99b8298c3", 0xc5}], 0x4, &(0x7f0000000dc0)=[@rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, r0, 0xffffffffffffffff]}}], 0x20, 0x26046004}, {&(0x7f0000000e00)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f00000011c0)=[{&(0x7f0000000e80)="430509be5fb89da433b16a0b004a635a2dce3121b53fddf4f392a8366724ce5e093ef2fed3c1cd960531a3fed52c82ddf2fe90c54b477b1f08f2a708f558b30e9320ee0ce5f01a74d0a1990613fe80cd63cd1ca1a8ed577b32f5b41ab4ef027dfec96de993d1b095c402d6689248f8dfeb60f6bb96bfefee8d366528bc1c2822beceda00ef425a919b0f0f45dd6e394454892f0d06359994defc788756b6515ec1c3031443e4690e17355b", 0xab}, {&(0x7f0000000f40)="c9a8f8d4a3ca31ae8865d8318da6ff8ff849b141b68653cf8645b4cb6e952131016932e1219bed9048c97bff08d98e5de7a5ea47fb2668bc639755fc12686af9f1a401ccd8827dc0207fb19ddd67c9dcef418e3a1fa66b6a348300fd3eb306a47e12d6cb1f2c1f3ec39bd68e7e15c0be1e796e4f95f605c67641b4963bb7f49c30f0f975d5d883", 0x87}, {&(0x7f0000001000)="8ebd6f9ba12ec8637a491f874b5d93eead9ce48af83286b6415980eba047a661bcf128d27c2ea57213c8689494c27624ebbd1f28e3572a3d9f709da93a8f3c0f6006950dd70a813ffad60d82b2116c4cdc9b", 0x52}, {&(0x7f0000001080)="628cdf9e176c370b24491626bcd4dc3952d5865b6ec3be1257e19b1458dcdfc317a92b7e26452e917f", 0x29}, {&(0x7f00000010c0)="3926d53b79ef6ae14b27a342deb637aa116cc35c771b49b8c812cddf4dd129b3865113b1e82499215269469552d06566e77d26acaf5de70d651f9c011b2363fa696c0ac17f6a59a1030b57443c138a1dd16a2aad342f3b9655e68a658d7548b335c5aaf6b23bd20d11121b16c49341993c25a8f097a8930a47fad7cb087bc358ee9bd7a6b2986b3a94425f2e8a7cfea94ebbe89b7704547e82ddf256c618c879bcc0804f7fddcabc4a18e0a33eebd91226fd281de089d24044e91dd471b76ab693f4874db1b6337c916e716a", 0xcc}], 0x5, &(0x7f0000001440)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, r0, r0, r2, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}, @cred={{0x1c}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, r1, 0xffffffffffffffff, r4, r5, r1, r6]}}, @rights={{0x28, 0x1, 0x1, [r7, r1, r8, r2, r9, r3]}}], 0xe0, 0x8000}], 0x3, 0x8000) ioctl$sock_inet_tcp_SIOCINQ(r3, 0x541b, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xf, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$sock_SIOCBRDELBR(r2, 0x89a1, &(0x7f0000000000)='veth0_to_hsr\x00') [ 236.836066] block nbd0: shutting down sockets [ 236.845508] FAT-fs (loop2): bogus number of reserved sectors [ 236.861241] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5452) [ 236.917972] block nbd5: shutting down sockets [ 236.927080] block nbd5: shutting down sockets [ 236.969343] EXT4-fs (loop1): unable to read superblock [ 236.993407] FAT-fs (loop2): bogus number of reserved sectors 08:20:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x50, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = openat$cgroup_procs(r3, &(0x7f0000000080)='tasks\x00', 0x2, 0x0) r5 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x227, 0xfffffffffffffffe) getsockopt$IP6T_SO_GET_INFO(r2, 0x29, 0x40, &(0x7f00000006c0)={'nat\x00'}, &(0x7f0000000600)=0x54) r6 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={'syz', 0x1}, &(0x7f0000000640)="610bd8036535c6e74f638d4717a60c5c1424603e7d75794e8a629b25aca00580483da59c5bcf7c843d08bdee595c17bbe0fcc1a904a961ac7cd3da192cdc820b9ca5252c07850704c8e19b6365dc99b439248fe530602608f8fa35a642c6215cc8045cbd65c7996de97bac8484e4f888b8efc0135cc01cb5b1", 0x79, 0xfffffffffffffffd) r7 = add_key(&(0x7f00000002c0)='cifs.idmap\x00', &(0x7f0000000500)={'syz', 0x2}, &(0x7f0000000280)=']', 0x1, 0xfffffffffffffffd) r8 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r8, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r9 = add_key$user(&(0x7f0000000240)='user\x00', &(0x7f0000000540)={'syz', 0x3}, &(0x7f00000005c0)="0c20b7a1d38f5f6aafa16ea6f8c231b0809e182dee63fc1cbe7d0a5529c03c820095e77c2e8997f8ba58e6036eb6dc3263fcc83e", 0x34, r8) keyctl$dh_compute(0x17, &(0x7f00000004c0)={r9, r5, r6}, 0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000480)={'sha512-avx\x00'}}) ioctl$FS_IOC_ADD_ENCRYPTION_KEY(r4, 0xc0506617, &(0x7f0000000140)=ANY=[@ANYBLOB="0000000000000000492e54cd826388e18440cd3b017a33f00000000000000000000000000000000094000000", @ANYRES32=r7, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000930b51d80329d9f23626e9f51d9b4ef98b5b632f5b22f5d3767d172832d9d2c32ebf4c0f39b316e3fc48990ddfa55dd519d521b370378d8a5a1bfdeb09dd9675c1ab5c1e4cabbc76b2f52e723ac83987dedf8cccff733a888c349155c19d86062c786d518baec99b52ef8f8ea49e3da82ed702657621b2843103f81cae9104aae13281149ed0e144b11233c8493b3700e5f10705"]) [ 237.021105] EXT4-fs (loop1): unable to read superblock [ 237.036658] FAT-fs (loop2): Can't find a valid FAT filesystem [ 237.043890] block nbd5: shutting down sockets [ 237.054046] block nbd5: shutting down sockets [ 237.057144] block nbd0: Receive control failed (result -107) 08:20:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5460) 08:20:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x10, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 237.067486] block nbd0: shutting down sockets 08:20:00 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x20000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 237.104106] block nbd0: Receive control failed (result -107) [ 237.116179] block nbd0: shutting down sockets 08:20:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(0xffffffffffffffff, 0x4008240b, 0x0) io_setup(0x20, &(0x7f0000000440)=0x0) ptrace$poke(0x4, 0x0, &(0x7f0000000180), 0x100) io_destroy(r1) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0xa, 0x4e1f, 0x0, @empty, 0x1000}, 0x7) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc2(0x0) sendmsg$TIPC_NL_LINK_RESET_STATS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x4000) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x4e26, 0x1001, @mcast1, 0xffbffffc}, 0x1c) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000240)={0x0, @in6={{0x2, 0x0, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0x30d}, 0x68) getsockopt$IP6T_SO_GET_REVISION_MATCH(0xffffffffffffffff, 0x29, 0x44, &(0x7f0000000000)={'TPROXY\x00'}, &(0x7f0000000040)=0x1e) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) ioctl$PPPIOCCONNECT(r4, 0x4004743a, &(0x7f0000000000)=0x4) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab00) [ 237.197784] EXT4-fs (loop1): unable to read superblock [ 237.208462] block nbd5: shutting down sockets [ 237.225079] block nbd5: shutting down sockets [ 237.280231] EXT4-fs (loop1): unable to read superblock [ 237.337719] FAT-fs (loop2): bogus number of reserved sectors [ 237.385369] FAT-fs (loop2): Can't find a valid FAT filesystem [ 237.408836] block nbd0: Receive control failed (result -107) [ 237.417364] block nbd0: shutting down sockets [ 237.422629] block nbd5: shutting down sockets [ 237.423878] block nbd5: shutting down sockets [ 237.469940] FAT-fs (loop2): bogus number of reserved sectors [ 237.475793] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:03 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) fcntl$lock(r1, 0x4, &(0x7f0000000000)={0x1, 0x1, 0x2, 0x5, 0xffffffffffffffff}) r2 = socket(0x2, 0x1, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x2000, 0x0) ioctl$NS_GET_PARENT(r3, 0xb702, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 08:20:03 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r2, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000040)={r3}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000140)={r3, @in6={{0xa, 0x20, 0x0, @rand_addr=' \x01\x00', 0x4}}, 0xffff45e5, 0x5, 0x0, 0x81, 0x2, 0xff, 0x4}, 0x9c) r4 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x13, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab01) 08:20:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$SIOCPNGETOBJECT(r1, 0x89e0, &(0x7f0000000000)=0x6076) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:03 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x22000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 239.870779] EXT4-fs (loop1): unable to read superblock [ 239.899121] block nbd5: shutting down sockets [ 239.904999] block nbd5: shutting down sockets [ 239.909114] block nbd0: Receive control failed (result -107) [ 239.918679] block nbd0: shutting down sockets [ 239.930580] block nbd0: Could not allocate knbd recv work queue. [ 239.938586] block nbd0: shutting down sockets [ 239.950923] EXT4-fs (loop1): unable to read superblock [ 239.960910] FAT-fs (loop2): bogus number of reserved sectors 08:20:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab02) 08:20:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x14, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 239.969185] FAT-fs (loop2): Can't find a valid FAT filesystem [ 240.025307] block nbd4: shutting down sockets 08:20:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab04) [ 240.066084] block nbd5: shutting down sockets [ 240.074509] FAT-fs (loop2): bogus number of reserved sectors [ 240.100099] FAT-fs (loop2): Can't find a valid FAT filesystem [ 240.126059] EXT4-fs (loop1): unable to read superblock 08:20:04 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x23000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000600)='nl80211\x00') sendmsg$NL80211_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x20, r1, 0xb0343aabd1184b87, 0x0, 0x0, {}, [@NL80211_ATTR_WDEV={0xc}]}, 0x20}}, 0x0) sendmsg$NL80211_CMD_GET_MPATH(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x28, r1, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x1, 0x4}}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0xffffffffffffffff}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000000}, 0x2000040) r2 = socket(0x2, 0x1, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) write$binfmt_misc(r3, &(0x7f0000000140)={'syz1', "71b3de"}, 0x7) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 08:20:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3a, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 240.235528] block nbd5: shutting down sockets [ 240.272798] FAT-fs (loop2): bogus number of reserved sectors [ 240.285864] FAT-fs (loop2): Can't find a valid FAT filesystem [ 240.299267] block nbd5: shutting down sockets [ 240.305825] EXT4-fs (loop1): unable to read superblock 08:20:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab05) [ 240.329276] block nbd4: shutting down sockets [ 240.357656] block nbd4: shutting down sockets [ 240.413969] block nbd5: shutting down sockets [ 240.446276] block nbd5: shutting down sockets 08:20:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab06) 08:20:04 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x2c000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x63, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:04 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x3a3301) socket(0x2, 0x1, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000040), &(0x7f00000000c0)=0x4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) connect$inet(r2, &(0x7f00000001c0)={0x2, 0x4e22, @multicast1}, 0x10) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) ioctl$SIOCAX25OPTRT(r1, 0x89e7, &(0x7f0000000100)={@default, @bcast, 0x2, 0x20}) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ubi_ctrl\x00', 0x6002c1, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r4) connect$vsock_dgram(r0, &(0x7f0000000140)={0x28, 0x0, 0x0, @my=0x1}, 0x10) 08:20:04 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140)='l2tp\x00') sendmsg$L2TP_CMD_SESSION_DELETE(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f0000000880)={0x1c, r3, 0x1, 0x0, 0x0, {0x3}, [@L2TP_ATTR_CONN_ID={0x8}]}, 0x1c}}, 0x0) sendmsg$L2TP_CMD_TUNNEL_CREATE(r1, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x78, r3, 0x508, 0x70bd26, 0x25dfdbfb, {}, [@L2TP_ATTR_OFFSET={0x6, 0x3, 0x8}, @L2TP_ATTR_MTU={0x6, 0x1c, 0x400}, @L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e24}, @L2TP_ATTR_OFFSET={0x6, 0x3, 0x22b}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e22}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @mcast1}, @L2TP_ATTR_PEER_COOKIE={0xc, 0x10, 0x8}, @L2TP_ATTR_UDP_ZERO_CSUM6_TX={0x5}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @mcast1}]}, 0x78}, 0x1, 0x0, 0x0, 0x8044}, 0x80) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 240.789218] block nbd5: shutting down sockets [ 240.815833] EXT4-fs (loop1): unable to read superblock [ 240.816883] block nbd5: shutting down sockets [ 240.824679] FAT-fs (loop2): bogus number of reserved sectors 08:20:04 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 240.861585] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab07) 08:20:04 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x3f000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 240.928607] EXT4-fs (loop1): unable to read superblock 08:20:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x300, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 240.984234] block nbd4: shutting down sockets [ 240.996280] block nbd4: shutting down sockets [ 241.079329] block nbd5: shutting down sockets [ 241.096626] FAT-fs (loop2): bogus number of reserved sectors [ 241.106370] block nbd5: shutting down sockets [ 241.120103] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab08) [ 241.142221] EXT4-fs (loop1): unable to read superblock 08:20:05 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x4001fb) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140)='devlink\x00') sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, r4, 0x20, 0x0, 0x25dfdbfb, {}, [{{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0xa020) sendmsg$DEVLINK_CMD_TRAP_GROUP_SET(r3, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xec, r4, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd, 0x87, 'l2_drops\x00'}, {0x5, 0x83, 0x1}}, {@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0xd, 0x87, 'l2_drops\x00'}, {0x5, 0x83, 0x1}}, {@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, {0xd, 0x87, 'l2_drops\x00'}, {0x5, 0x83, 0x1}}, {@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, {0xd, 0x87, 'l2_drops\x00'}, {0x5, 0x83, 0x1}}]}, 0xec}, 0x1, 0x0, 0x0, 0x4000}, 0x20044005) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 241.229850] FAT-fs (loop2): bogus number of reserved sectors [ 241.238129] FAT-fs (loop2): Can't find a valid FAT filesystem [ 241.252346] EXT4-fs (loop1): unable to read superblock [ 241.266498] block nbd5: NBD_DISCONNECT 08:20:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xa0001) r1 = socket(0x2, 0x1, 0x0) r2 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setregid(0x0, r3) setgid(r3) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_AGP_ENABLE(r4, 0x40086432, &(0x7f0000000140)=0x5) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f00000000c0), &(0x7f0000000100)=0xc) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) ioctl$VT_GETMODE(r5, 0x5601, &(0x7f0000000000)) setregid(r3, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 241.276360] block nbd5: Send disconnect failed -32 08:20:05 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x40000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:05 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3b4, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 241.322107] block nbd5: Disconnected due to user request. [ 241.330071] block nbd5: shutting down sockets [ 241.378280] block nbd5: NBD_DISCONNECT [ 241.382832] block nbd5: Send disconnect failed -32 [ 241.387248] block nbd4: shutting down sockets [ 241.400482] block nbd5: Disconnected due to user request. [ 241.428097] block nbd5: shutting down sockets [ 241.439605] block nbd4: shutting down sockets [ 241.455862] FAT-fs (loop2): bogus number of reserved sectors 08:20:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) mq_timedsend(r1, &(0x7f0000000000)="0a60fb25db6d368aea4e844c2d8c66ae2d07ef08484a46d49164a31b3067242b51e5ca136a41cdb370ab7c7c1c42", 0x2e, 0x6, &(0x7f0000000040)={0x77359400}) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 08:20:05 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = dup(0xffffffffffffffff) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000300)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000380)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000340)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r2, &(0x7f00000000c0)={0x14, 0x88, 0xfa00, {r3, 0x30, 0x0, @ib={0x1b, 0x0, 0x0, {"00000000000000000000000000000001"}, 0x11138e7, 0xfffffffffffffffd}}}, 0x90) write$RDMA_USER_CM_CMD_RESOLVE_ADDR(r1, &(0x7f0000000140)={0x15, 0x110, 0xfa00, {r3, 0x9, 0x0, 0x0, 0x0, @in6={0xa, 0x4e24, 0x46, @private0, 0x1000}, @in6={0xa, 0x4e20, 0x9, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x6}}}, 0x118) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 241.501155] FAT-fs (loop2): Can't find a valid FAT filesystem [ 241.514732] EXT4-fs (loop1): unable to read superblock 08:20:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab09) 08:20:05 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x48000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 241.627384] EXT4-fs (loop1): unable to read superblock [ 241.632902] block nbd4: shutting down sockets [ 241.644193] block nbd4: shutting down sockets [ 241.661151] block nbd5: shutting down sockets [ 241.673714] block nbd5: shutting down sockets 08:20:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab0a) 08:20:05 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3d8, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) sendmsg$AUDIT_LIST_RULES(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, 0x3f5, 0x1, 0x70bd2b, 0x25dfdbfd, "", ["", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x110}, 0x4000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:05 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f0000000080)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00'}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 241.757296] FAT-fs (loop2): bogus number of reserved sectors [ 241.772297] FAT-fs (loop2): Can't find a valid FAT filesystem [ 241.788220] block nbd5: shutting down sockets [ 241.824372] block nbd5: shutting down sockets 08:20:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40049409) [ 241.873696] EXT4-fs (loop1): unable to read superblock [ 241.887666] FAT-fs (loop2): bogus number of reserved sectors [ 241.898488] FAT-fs (loop2): Can't find a valid FAT filesystem [ 241.919087] block nbd4: shutting down sockets [ 241.936220] block nbd4: shutting down sockets 08:20:05 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4c000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:05 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3d9, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 241.995976] EXT4-fs (loop1): unable to read superblock [ 242.001142] block nbd5: shutting down sockets [ 242.023863] block nbd5: shutting down sockets 08:20:05 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x9, 0x4, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$PPPIOCATTCHAN(r2, 0x40047438, &(0x7f0000000000)=0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = syz_genetlink_get_family_id$devlink(&(0x7f00000000c0)='devlink\x00') sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_GET(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xffffffffffffffb5, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x300, 0x170bd28, 0x25dfdbfd, {}, [{{@pci={{0x0, 0x1, 'pci\x00'}, {0x0, 0x2, '0000:00:10.0\x00'}}, {0x0, 0x3, 0x3}}, {0x0, 0xb, 0x9}, {0x0, 0x16, 0x9}}]}, 0x14}, 0x1, 0x0, 0x0, 0x8081}, 0x24000005) 08:20:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40081271) [ 242.133675] FAT-fs (loop2): bogus number of reserved sectors [ 242.147761] EXT4-fs (loop1): unable to read superblock [ 242.163392] block nbd5: shutting down sockets [ 242.165311] FAT-fs (loop2): Can't find a valid FAT filesystem [ 242.177994] block nbd5: shutting down sockets 08:20:06 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) ioctl$VIDIOC_ENUMOUTPUT(r1, 0xc0485630, &(0x7f0000000180)={0x20005, "3545839b6ce344ebfc95727b9296f8f66242a6a51dedfd7d23bb206588685c80", 0x2, 0x7fff, 0x3, 0xb000, 0x4}) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) socket$bt_bnep(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(0xffffffffffffffff, 0x800442d2, &(0x7f0000000380)={0x8, &(0x7f0000000200)=[{0x0, 0x0, 0x0, @link_local}, {}, {0x0, 0x0, 0x0, @link_local}, {0x0, 0x0, 0x0, @local}, {}, {0x0, 0x0, 0x0, @broadcast}, {0x0, 0x0, 0x0, @multicast}, {0x0, 0x0, 0x0, @link_local}]}) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_DISABLE_BEARER(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='A\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000e00000000000100000000000000060000000002001365"], 0x5d}}, 0x0) sendmsg$TIPC_CMD_GET_NODES(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x1c, r5, 0x2, 0x70bd2a, 0x25dfdbfc, {}, ["", "", "", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x8840}, 0x40) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) ioctl$USBDEVFS_BULK(r6, 0xc0185502, &(0x7f0000000140)={{{0x7}}, 0x29, 0xff, &(0x7f0000000080)="9f03baa20ad6b7ff99d3555c06cdc11deef6c290b244bd5e5c85fe9de152b875ce76f405e42b8793ef"}) [ 242.206771] EXT4-fs (loop1): unable to read superblock 08:20:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40086602) 08:20:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x10080) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(0xffffffffffffffff, 0x6, 0x16, &(0x7f0000000000)=[@sack_perm, @mss={0x2, 0xfffffffd}, @timestamp, @timestamp, @window={0x3, 0x2, 0x3f}, @timestamp], 0x6) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) getsockopt$netrom_NETROM_T4(r1, 0x103, 0x6, &(0x7f00000000c0)=0xf6, &(0x7f0000000100)=0x4) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$FUSE_WRITE(r2, &(0x7f0000000140)={0x18, 0x0, 0x8, {0x5}}, 0x18) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$FS_IOC_GET_ENCRYPTION_POLICY(r2, 0x400c6615, &(0x7f0000000180)={0x0, @adiantum}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:06 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3da, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 242.299853] FAT-fs (loop2): bogus number of reserved sectors [ 242.306988] FAT-fs (loop2): Can't find a valid FAT filesystem [ 242.353718] block nbd5: shutting down sockets [ 242.374107] block nbd5: shutting down sockets 08:20:06 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4d0c0000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40087602) [ 242.448804] EXT4-fs (loop1): unable to read superblock [ 242.482473] FAT-fs (loop2): bogus number of reserved sectors 08:20:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat(r2, &(0x7f0000000000)='./file0\x00', 0x200002, 0x84) ioctl$sock_x25_SIOCADDRT(r3, 0x890b, &(0x7f00000000c0)={@remote={[], 0x3}, 0x3, 'netdevsim0\x00'}) [ 242.497306] FAT-fs (loop2): Can't find a valid FAT filesystem [ 242.526337] block nbd5: shutting down sockets [ 242.536062] block nbd4: shutting down sockets [ 242.543388] block nbd5: shutting down sockets 08:20:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40101283) [ 242.568835] EXT4-fs (loop1): unable to read superblock [ 242.589751] block nbd4: shutting down sockets [ 242.608541] FAT-fs (loop2): bogus number of reserved sectors [ 242.622086] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:06 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3f7, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 242.667958] block nbd5: shutting down sockets [ 242.685661] block nbd5: shutting down sockets 08:20:06 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4e0c0000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:06 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082}) r4 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) getpeername$packet(r6, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r4, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r7}) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000500)=ANY=[@ANYBLOB="bc000000", @ANYRES16=0x0, @ANYBLOB="00022abd7000fedbdf25063c418d68f2b5774af3b4a447890000002c02007465616d5f736c6176655f30000000001400020073797a6b616c6c657231000000000013d30001801400020073797a6b616c6c6572310000000000000c0001000000000000321e2642bb345a1a8a082b9481ddc71b30402830dafd89d5555bc87e19aab9dd857afbc8047c45eb986a5638347dc22229193177e47a0d7d1e5a23e2ed26499138fada642f1fa1612bb13a72d73435", @ANYRES32=0x0, @ANYBLOB="2800018008000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="1400020076657468305f746f5f62726964676500340001801400020076657468315f746f5f6873720000000008000100", @ANYRES32=r7, @ANYBLOB="1400020067726574617030000000000000000000"], 0xbc}, 0x1, 0x0, 0x0, 0x10040090}, 0x4) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000140)={'batadv_slave_0\x00', 0x0}) newfstatat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x1000) setsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f0000000380)={{{@in6=@private2, @in6=@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x4e22, 0xd94, 0x4e23, 0x5, 0x2, 0x80, 0x20, 0x29, r8, r9}, {0x800, 0xa0, 0x5, 0x7ff, 0x9, 0x444, 0x2, 0x7fff}, {0x4, 0x11b8, 0x2, 0x3}, 0xfffeffff, 0x6e6bc0, 0x0, 0x0, 0x1, 0x2}, {{@in6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x4d6, 0x33}, 0xa, @in6=@local, 0x0, 0x2, 0x2, 0x8, 0x100}}, 0xe8) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r1, &(0x7f00000002c0)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0xfffffffffffffffa}, 0x10060) 08:20:06 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000600)='nl80211\x00') sendmsg$NL80211_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="874b0000000000000000050000000c0099000000000000000000bc526633275532af265dc2c9f4ece714224ac717537a76d555776bddb39db873d947154b883e1b0a4a8483f3cff90c00349ecdc0ae6553c314cc342facf0b15c0ec04f32e52a282deff8bcfe587378737f0d05c8f3b312aee5229d6ea0764ec140c4ac53a81f5424f171941cdc7069b456c8dfa64c4636fbdfd3d4dee82c31d1cf13714eb383c0c036a94976fbad296e88cb5d91d4e7762c25a68cdd"], 0x20}}, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) getpeername$packet(r5, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r5, 0x890b, &(0x7f0000000240)={@empty, @private1={0xfc, 0x1, [], 0x1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x8000, 0x1, 0x0, 0x0, 0x9, 0x24c20002, r6}) socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_inet6_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f0000000380)={@private2, @mcast1, @private0, 0x6, 0x1f, 0x5, 0x400, 0xffff, 0x4000000}) r8 = dup(r7) getpeername$packet(r8, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) r10 = syz_open_procfs(0x0, &(0x7f00000001c0)='wchan\x00') inotify_add_watch(r10, &(0x7f0000000200)='./file0\x00', 0x200000e8) sendmsg$NL80211_CMD_GET_WIPHY(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="cf000000", @ANYRES16=r3, @ANYBLOB="10002dbd7000ffdbdf250100000008000300", @ANYRES32=r6, @ANYBLOB="08000300", @ANYRES32=r9, @ANYBLOB="080001000000e1ff6800000069e6da481323be0467782f4356a61aeee58444c9"], 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x10) 08:20:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401070c9) [ 242.816599] EXT4-fs (loop1): unable to read superblock [ 242.841195] FAT-fs (loop2): bogus number of reserved sectors [ 242.845776] block nbd4: shutting down sockets [ 242.857033] block nbd5: shutting down sockets [ 242.866858] FAT-fs (loop2): Can't find a valid FAT filesystem [ 242.871934] block nbd4: shutting down sockets 08:20:06 executing program 4: r0 = socket(0x2, 0x1, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000040)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_GET_LIMITS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x10, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x44}, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$FITHAW(r3, 0xc0045878) 08:20:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401070ca) [ 242.891391] block nbd5: shutting down sockets [ 242.902452] EXT4-fs (loop1): unable to read superblock 08:20:06 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) setsockopt$inet6_int(r1, 0x29, 0x4a, &(0x7f0000000000)=0xffffffff, 0xfffffffffffffd5a) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$VIDIOC_TRY_EXT_CTRLS(r2, 0xc0205649, &(0x7f0000000140)={0x0, 0x7d11, 0x6, 0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x980927, 0x4, [], @value=0x80000001}}) sendmsg$TIPC_NL_NET_GET(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB="04000000", @ANYRES16=0x0, @ANYBLOB="05042abd7000fedbdf250e000000000006800000010009000000000001004f0900000000040067636d286165732900000000000000000000000000000000000000000000000000000000c246bd898b93113b1b76dc186d1f5483012136e2eae0a3b0f2400000"], 0x14}, 0x1, 0x0, 0x0, 0x12}, 0x40000) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e25}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0xfffffffffffffffb) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 242.989244] block nbd5: shutting down sockets 08:20:06 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3f8, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401070cd) [ 243.038515] FAT-fs (loop2): bogus number of reserved sectors [ 243.043654] block nbd5: shutting down sockets [ 243.064688] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:06 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r4, 0x6, 0x21, &(0x7f0000000240)="b283ce27fc38ca3a4364de10f3fca31b", 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r5, 0x4, 0x70bd2c, 0x25dfdbfc, {{}, {}, {0x14, 0x19, {0x7ff, 0x3, 0x5, 0xca6}}}, [""]}, 0x30}, 0x1, 0x0, 0x0, 0x44005}, 0x20000040) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:06 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4f0c0000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 243.204392] block nbd5: shutting down sockets 08:20:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401870c8) [ 243.248170] EXT4-fs (loop1): unable to read superblock 08:20:07 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = dup2(0xffffffffffffffff, r3) ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000140)={0x4, 0x0, [{0x4, 0x6, 0x4, 0x3, 0x20, 0x4, 0x8}, {0x80000000, 0x5, 0x4, 0x4, 0xcc, 0x1, 0xfd7}, {0xd, 0x9, 0x3, 0x3, 0x6, 0x8, 0xc42}, {0x2, 0xdd0, 0x3, 0x9, 0x316, 0x7, 0xffffffff}]}) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:07 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) gettid() ioctl$NBD_SET_SOCK(r0, 0xab00, r1) prctl$PR_TASK_PERF_EVENTS_DISABLE(0x1f) ioctl(r0, 0x6, &(0x7f0000000000)="dc3db8b087c88584c24606a4ea5e4e928a3612ed35d625f2a803afca9aff1b344b2194469d71836c55fb828b8144fa52b3f3ba81626668ff657fb91923f90e") r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) write$P9_RCLUNK(r2, &(0x7f0000000440)={0x7, 0x79, 0x2}, 0x7) write$binfmt_elf64(0xffffffffffffffff, &(0x7f00000000c0)={{0x7f, 0x45, 0x4c, 0x46, 0x1, 0x3, 0x80, 0x1a, 0x40, 0x3, 0x3e, 0x0, 0x393, 0x40, 0xc0, 0x7007, 0xb800, 0x38, 0x1, 0x4, 0x7, 0xfff}, [{0x70000000, 0xd9f, 0x101, 0x80, 0x5, 0x5, 0x9, 0x8}], "2f8f418240bb65481cb80e3556c43348a12b6657bfb1dce3", [[]]}, 0x190) r3 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa\x00', 0x40, 0x0) pipe(&(0x7f00000004c0)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000200)='NLBL_CIPSOv4\x00') sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f0000000400)={&(0x7f00000000c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000380)={0x80, r6, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x2c, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8272}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x38c0790d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f9b0879}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c833748}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x40, 0x8, 0x0, 0x1, [{0x4}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x197b3257}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4cfdaf9b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4c8568db}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x68b86393}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9b}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfc}]}]}]}, 0x80}, 0x1, 0x0, 0x0, 0xc004804}, 0x40001) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r6, 0x10, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0xc004) r7 = syz_open_pts(r5, 0x2) ioctl$TCGETX(r7, 0x5432, &(0x7f0000000480)) [ 243.336096] EXT4-fs (loop1): unable to read superblock [ 243.345783] FAT-fs (loop2): bogus number of reserved sectors [ 243.366422] block nbd5: shutting down sockets [ 243.373470] block nbd5: shutting down sockets [ 243.383830] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:07 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x3f9, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:07 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$KVM_SET_PIT2(r1, 0x4070aea0, &(0x7f0000000140)={[{0x5, 0x0, 0x3f, 0x1, 0xfe, 0x4, 0x0, 0x6, 0x7f, 0x1, 0xc3, 0x1, 0x3}, {0x800, 0x8c6b, 0x8, 0x7, 0x6, 0xf, 0x0, 0x2e, 0x9, 0x81, 0x1, 0x1, 0x10000}, {0x0, 0xffff, 0x3, 0x4, 0x86, 0x3, 0x1, 0xf4, 0x0, 0x7, 0x8, 0x7, 0x80}], 0x101}) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401870cb) [ 243.453934] FAT-fs (loop2): bogus number of reserved sectors [ 243.460532] FAT-fs (loop2): Can't find a valid FAT filesystem [ 243.519874] block nbd5: shutting down sockets [ 243.536564] EXT4-fs (loop1): unable to read superblock 08:20:07 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x60000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 243.561938] block nbd5: shutting down sockets 08:20:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401870cc) 08:20:07 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) setregid(0x0, 0x0) setgid(0x0) socket$inet_udp(0x2, 0x2, 0x0) fstat(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r2) r3 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setregid(0x0, r4) setgid(r4) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000000400)=ANY=[@ANYBLOB="d0030000000000000100000000000000010000000000000005000000000000000008000000000000050000000000000003000000ffffffff02000000000000000800000000000000fdffffffffffffff0800000000000000ea4bda3500000000ff000000000000000700000003000000fcffffff01f8ffff08000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000100000000000000000002000000000000007f0000000000000001000000faffffff0000000000000000060000000000000000000000000000000600000000000000080000000000000000000000060000000000000000000000ff0300000000000001010000000000009e0600000000000009000000000000000200000000000000000400000100010007000000001000002f000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0500000001800000000000000300000000000000000000000000000002000000040000002d2b0000000000000500000000000000020000000000000003000000000000000004000000000000ffffffff010000800200000000000000040000000000000080000000000000007372000000000000c0ffffffffffffff030000000000000066bb0000010001003f0000002d000000fe090000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="010000009100000000000000000000000000000000000000f800000001000000800000000000000000000000050000000000000001000000000000000500000000000000080000000000000003e100000300000000000000000000000100000000000000feffffffffffffff170000000000000020000000000000007c000000000000000200000002000000000000000400000004000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="06000000010000000000000001000000000000000500000000000000010000000000000000000000000000000300000000000000030000000000000000080000000000000700000000000000080000000000008006000000000000000300000000000000a545000000000000ede0000000000000080000001f00000004000000010001000000000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000010000000000000005000000000000007c00000000000000010000006f61e83d0000000000000000060000000000000001000000000000000100010000000000070000000000000009000000000000000100000000000000000200000000000001010000000000000900000000000000ffffff7f000000007f00000000000000ba00000040000000ffffffff0104000000000000", @ANYRES32=r2, @ANYRES32=r4, @ANYBLOB="940000000200000000000000020000000000000001000000ffffffff04000000050000002d5e212700000000"], 0x3d0) setsockopt$inet6_int(r1, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 243.613151] EXT4-fs (loop1): unable to read superblock 08:20:07 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x26ab, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:07 executing program 3: setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 243.681755] FAT-fs (loop2): bogus number of reserved sectors [ 243.710684] FAT-fs (loop2): Can't find a valid FAT filesystem [ 243.754557] block nbd5: shutting down sockets 08:20:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x4020940d) [ 243.774958] block nbd5: shutting down sockets [ 243.794485] FAT-fs (loop2): bogus number of reserved sectors [ 243.805924] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:07 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$SIOCAX25GETINFOOLD(r2, 0x89e9, &(0x7f0000000240)) r3 = dup(r1) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0xe447b7c7ef6bdb4, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) preadv(r4, &(0x7f0000000200)=[{&(0x7f0000000140)=""/27, 0x1b}, {&(0x7f0000000180)=""/109, 0x6d}], 0x2, 0x40) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) ioctl$RTC_ALM_READ(r5, 0x80247008, &(0x7f0000000080)) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) ioctl$sock_SIOCGIFVLAN_SET_VLAN_NAME_TYPE_CMD(r6, 0x8982, &(0x7f0000000280)={0x6, 'bridge_slave_0\x00', {0x1f9f}, 0xd369}) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:07 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x68000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 243.931942] block nbd5: shutting down sockets [ 243.948913] block nbd5: shutting down sockets [ 243.985696] FAT-fs (loop2): bogus number of reserved sectors [ 244.008173] EXT4-fs (loop1): unable to read superblock [ 244.010563] FAT-fs (loop2): Can't find a valid FAT filesystem [ 244.103091] FAT-fs (loop2): bogus number of reserved sectors [ 244.118584] FAT-fs (loop2): Can't find a valid FAT filesystem [ 244.209738] block nbd4: shutting down sockets [ 244.271852] block nbd4: shutting down sockets 08:20:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x800000000000000, 0x4400) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r2, 0x40042409, 0x0) r3 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa\x00', 0x197400, 0x0) r4 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGKEY(r4, 0x80404518, &(0x7f00000000c0)=""/4096) read$usbmon(r3, &(0x7f00000000c0)=""/152, 0x98) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x80081270) 08:20:08 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6b6b6b00, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:08 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x26b8, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 244.399862] block nbd5: shutting down sockets [ 244.447457] block nbd4: shutting down sockets [ 244.452288] block nbd5: shutting down sockets [ 244.465732] FAT-fs (loop2): bogus number of reserved sectors [ 244.489411] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x80081272) 08:20:08 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6c000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 244.565778] block nbd4: shutting down sockets 08:20:08 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x1, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) getsockopt$PNPIPE_INITSTATE(r2, 0x113, 0x4, &(0x7f0000000200), &(0x7f0000000240)=0x4) r3 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$SEG6(&(0x7f00000001c0)='SEG6\x00') sendmsg$SEG6_CMD_SET_TUNSRC(r4, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f00000006c0)={0x28, r5, 0xf20aaac1f6a2385f, 0x0, 0x0, {}, [@SEG6_ATTR_DST={0x14, 0x1, @mcast1}]}, 0x28}}, 0x0) sendmsg$SEG6_CMD_SETHMAC(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010028bd7000ffdbdf25010000000500050001000000"], 0x1c}}, 0x8000) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000280)=@nl=@proc, 0x80, 0x0}, 0x10002) [ 244.630809] block nbd5: shutting down sockets [ 244.646147] block nbd5: shutting down sockets 08:20:08 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) connect(r1, &(0x7f00000000c0)=@l2tp={0x2, 0x0, @loopback, 0x4}, 0x80) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$BINDER_GET_NODE_INFO_FOR_REF(r2, 0xc018620c, &(0x7f0000000000)={0x1}) 08:20:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x80086601) [ 244.756581] FAT-fs (loop2): bogus number of reserved sectors [ 244.783655] block nbd5: shutting down sockets [ 244.804258] block nbd4: shutting down sockets [ 244.825226] EXT4-fs (loop1): unable to read superblock [ 244.835189] block nbd4: shutting down sockets [ 244.846804] block nbd5: shutting down sockets 08:20:08 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x35, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x2004c8c0, &(0x7f0000000080)={0xa, 0x4e22, 0x8000, @ipv4={[], [], @rand_addr=0x64010101}}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 244.884483] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x80087601) [ 244.987738] FAT-fs (loop2): bogus number of reserved sectors 08:20:08 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x26bb, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 245.028685] FAT-fs (loop2): Can't find a valid FAT filesystem [ 245.044167] block nbd5: shutting down sockets [ 245.073626] block nbd5: shutting down sockets 08:20:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0045878) 08:20:08 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x3e, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r1) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:08 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x74000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 245.188144] block nbd5: shutting down sockets [ 245.199918] block nbd5: shutting down sockets 08:20:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0045878) 08:20:09 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) sendmsg$key(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)={0x2, 0x14, 0x0, 0x8, 0x23, 0x0, 0x70bd2a, 0x25dfdbfd, [@sadb_x_kmaddress={0x0, 0x19, 0x0, @in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}, @in6={0xa, 0x4e24, 0x6, @dev={0xfe, 0x80, [], 0x1f}, 0xdf1d}}, @sadb_address={0x3, 0x5, 0x3c, 0x362523f022472014, 0x0, @in={0x2, 0x4e20, @multicast2}}, @sadb_x_sec_ctx={0x32, 0x18, 0x3f, 0x3d, 0x22, "6057a38aedca98925c974660c6afe547f0bc6b6900"/34}, @sadb_x_kmaddress={0x7, 0x19, 0x0, @in={0x2, 0x4e21, @loopback}, @in6={0xa, 0x4e23, 0x1ff, @private0, 0x401}}, @sadb_key={0xd, 0x0, 0x2d8, 0x0, "33aab97e6549ea937d8ecbeb0558da9f9d111f5038bca9103a5b1cfba9de324b07ff7927fc9533f2023774eb9d910a8b74409a29182fd34d3cf04832160dbc15f4ec5d9f85133d751293940083a8e3c8a13796486d78f5b0b4b935"}]}, 0x118}}, 0x40) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000080)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 245.313963] FAT-fs (loop2): bogus number of reserved sectors [ 245.337536] FAT-fs (loop2): Can't find a valid FAT filesystem [ 245.337850] block nbd5: shutting down sockets [ 245.357041] EXT4-fs (loop1): unable to read superblock 08:20:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0101282) [ 245.357251] block nbd5: shutting down sockets 08:20:09 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) fsetxattr$trusted_overlay_opaque(0xffffffffffffffff, &(0x7f0000000080)='trusted.overlay.opaque\x00', &(0x7f0000000140)='y\x00', 0x2, 0x3) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 245.466713] FAT-fs (loop2): bogus number of reserved sectors [ 245.482532] FAT-fs (loop2): Can't find a valid FAT filesystem [ 245.513713] block nbd5: shutting down sockets [ 245.531911] block nbd5: shutting down sockets 08:20:09 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x26c4, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:09 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x7a000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0189436) 08:20:09 executing program 3: setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc020660b) [ 245.672889] block nbd5: shutting down sockets [ 245.684275] block nbd5: shutting down sockets [ 245.711402] FAT-fs (loop2): bogus number of reserved sectors 08:20:09 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey\x00', 0x40400, 0x0) ioctl$USBDEVFS_SUBMITURB(r1, 0x8038550a, &(0x7f0000000200)=@urb_type_control={0x2, {0x1}, 0x7fffffff, 0xa4, &(0x7f0000000140)={0x60, 0xf, 0x3, 0xfeff, 0x401}, 0x8, 0x2, 0x8, 0x0, 0x1000, 0x7, &(0x7f0000000180)="1c09bd8948a3a04246f787e80cc62379f2483c98b9e384e6ddad861972c26a9e10bc0b7dbef0c91e666ba60e79781c7b4660bc642e1a99c4087e038fc9fb5a56b3db496c5680c6c7b406256e6820eb1f1eb3c88949a6e9bf639f6d5f49b4"}) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 245.743096] FAT-fs (loop2): Can't find a valid FAT filesystem [ 245.780426] block nbd5: shutting down sockets [ 245.791783] block nbd5: shutting down sockets 08:20:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0481273) [ 245.825498] FAT-fs (loop2): bogus number of reserved sectors [ 245.834938] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:09 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x869ebae0, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 245.903361] block nbd5: shutting down sockets [ 245.913870] EXT4-fs (loop1): unable to read superblock [ 245.939479] block nbd5: shutting down sockets 08:20:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$VIDIOC_REQBUFS(r1, 0xc0145608, &(0x7f0000000000)={0x0, 0x3, 0x2}) r2 = accept4$bt_l2cap(0xffffffffffffffff, 0x0, &(0x7f0000000140), 0x80000) fsetxattr$security_evm(r2, &(0x7f0000000180)='security.evm\x00', &(0x7f00000001c0)=@sha1={0x1, "618fdfa755dd3c485d683b0493dd2ab340bb2a7f"}, 0x15, 0x2) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) lsetxattr$trusted_overlay_nlink(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='trusted.overlay.nlink\x00', &(0x7f0000000100)={'U-', 0x5}, 0x16, 0x3) ioctl$NBD_DO_IT(r0, 0xab03) [ 246.034521] FAT-fs (loop2): bogus number of reserved sectors [ 246.048709] FAT-fs (loop2): Can't find a valid FAT filesystem [ 246.087598] block nbd5: Receive control failed (result -107) [ 246.097406] block nbd5: shutting down sockets [ 246.126872] FAT-fs (loop2): bogus number of reserved sectors 08:20:09 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x26c5, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/zero\x00', 0x40000, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000400)='IPVS\x00') fsetxattr$trusted_overlay_redirect(r0, &(0x7f0000000380)='trusted.overlay.redirect\x00', &(0x7f00000003c0)='./file0\x00', 0x8, 0x2) sendmsg$IPVS_CMD_NEW_SERVICE(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000440)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="fcffffff000000000000020013002600018006000100000000005a505c9aa592a54a291c647930cef6f775e7d4f11e48bb43c29078540f53eb22bc77ccc75fb34c9ab0b1ae7d934adc9a3dcd92988892"], 0x20}}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, r2, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x7}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}]}, 0x24}}, 0x2004000) r3 = socket$inet6(0xa, 0x2, 0x0) getsockopt$IP6T_SO_GET_REVISION_MATCH(0xffffffffffffffff, 0x29, 0x44, &(0x7f00000004c0)={'ipvs\x00'}, &(0x7f0000000500)=0x1e) setsockopt$inet6_int(r3, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r3, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r3, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) keyctl$setperm(0x5, 0x0, 0x6010100) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r7 = syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x200, 0x101) ioctl$USBDEVFS_CONNECTINFO(r7, 0x40085511, &(0x7f0000000180)) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) recvmsg(r6, &(0x7f0000000080)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12041) [ 246.130357] block nbd5: Could not allocate knbd recv work queue. [ 246.133775] FAT-fs (loop2): Can't find a valid FAT filesystem [ 246.139001] block nbd5: shutting down sockets 08:20:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$VIDIOC_TRY_EXT_CTRLS(0xffffffffffffffff, 0xc0205649, &(0x7f0000000480)={0x9f0000, 0x3, 0x1a68, r0, 0x0, &(0x7f0000000440)={0xa30903, 0x2, [], @p_u32=&(0x7f0000000400)=0x686f}}) name_to_handle_at(r1, &(0x7f00000004c0)='./file0\x00', &(0x7f0000000500)=ANY=[@ANYBLOB="ca000000f152000020520b7059783bbe62e754e465418506101a9836352224582b57caf5af1037dea100dbc85be275d8aeb9f46fcd8e56e4da83101fe64b626fedc5f8894c48fdfbd5e7d0130871b01ea1cef2c40bddf2b70f9e5265a08a77d1e3e55fa2ae95f124a447a5377a9289d80f1b51c7c973c729e807f6836a3dd0e4390639af52c168a33a113755d679e79b2ece7b593f69b8eae45c63a8412f094474479079252c8d65863df11a973c9c8aa41b6a29ae5cda260692f4107ce4961a7cf48c4bba488b719249"], &(0x7f0000000600), 0x400) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r4 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) getpeername$packet(r6, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r4, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r7}) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r8, 0xc00464af, &(0x7f0000000040)) r9 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r9, 0xc00464af, &(0x7f0000000040)) sendmsg$nl_route_sched(r2, &(0x7f00000003c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000380)={&(0x7f0000000a40)=@newchain={0x4a8, 0x64, 0x300, 0x70bd2a, 0x25dfdbff, {0x0, 0x0, 0x0, r7, {0xe, 0x6}, {0x5, 0xd}, {0xfff1, 0xc}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x20, 0x2, [@TCA_FLOWER_KEY_IPV6_DST_MASK={0x14, 0x11, [0xffffffff, 0xffffff00, 0xffffffff, 0xff000000]}, @TCA_FLOWER_KEY_VLAN_PRIO={0x5, 0x18, 0x2}]}}, @filter_kind_options=@f_bpf={{0x8, 0x1, 'bpf\x00'}, {0x448, 0x2, [@TCA_BPF_FD={0x8, 0x6, r8}, @TCA_BPF_CLASSID={0x8, 0x3, {0x6, 0x10}}, @TCA_BPF_ACT={0x410, 0x1, [@m_skbedit={0x164, 0x1f, 0x0, 0x0, {{0xc, 0x1, 'skbedit\x00'}, {0x74, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_MARK={0x8}, @TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x7}, @TCA_SKBEDIT_PARMS={0x18, 0x2, {0x9, 0x5, 0x1, 0xffffffff, 0x1}}, @TCA_SKBEDIT_PARMS={0x18, 0x2, {0x9, 0x10000, 0x1, 0x10001, 0x80000001}}, @TCA_SKBEDIT_QUEUE_MAPPING={0x6, 0x4, 0x6}, @TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x7}, @TCA_SKBEDIT_MARK={0x8, 0x5, 0xfffffffc}, @TCA_SKBEDIT_QUEUE_MAPPING={0x6, 0x4, 0x5}, @TCA_SKBEDIT_QUEUE_MAPPING={0x6, 0x4, 0xffff}, @TCA_SKBEDIT_PRIORITY={0x8, 0x3, {0x6, 0x4}}]}, {0xc6, 0x6, "52a46b2af35d1967a4caa917b0be7186bd2b24a34197cf3124254653bfdac36d17fba5eda3f41a1c20795f939b35df6b4e9ba3f3d489fecf27d6c2170d7bc1de85aadb8cc48dd85b101dcab73d12934c919b5991a09460f558927d96c2d3e475efb7fecba5773548f7c4d0c10b1bc747bfa1bca3e68ff6764d7a2aba700ea12272cb23cbf4bf597c21879a04390d263c5c7834ffb2af7222e6c3977c3d81f3e1c2f42043c3f3c7501194a081b27f852ecce2ef63d6e042169f4f12150a69e50b9cd3"}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x2}}}}, @m_ct={0x15c, 0x17, 0x0, 0x0, {{0x7, 0x1, 'ct\x00'}, {0x3c, 0x2, 0x0, 0x1, [@TCA_CT_NAT_IPV6_MAX={0x14, 0xc, @mcast2}, @TCA_CT_NAT_PORT_MAX={0x6, 0xe, 0x4e20}, @TCA_CT_NAT_PORT_MAX={0x6, 0xe, 0x4e23}, @TCA_CT_LABELS={0x14, 0x7, "53ea182b67f70818c2a71453b7d72baf"}]}, {0xfc, 0x6, "c0342bf720e4b60c146529c36e58bd79c9b81246038b2f4569f21b4d93eb0153d67a65247140b2fedd6513837b73179c6496eb6170c21dddc14cf3ecbecd02d66296dd324fd8b7a4a358f06dddeafddbafba246a143814ad43f4708a51e53c53910f354c1234a4bd5ec13371a521ed6ee31d6d1bfb3c245f540e34972577b9f2f447f83620acdceeaf1d9fa8b56eb209771eea776fc77faa79d6696fcae2902b382cb0d159891f06efd1f8bd5d59cce2e04b27ca3fcff8069445c958e81febd685311061c479fb487f92c9c315ef68c20e1354e220f286b3c4bbf4f23eaade68ebd9fee3a825a625f3f458890a156bc742368dd493c1c955"}, {0xc, 0x7, {0x1}}, {0xc, 0x8, {0x1, 0x3}}}}, @m_xt={0x14c, 0x18, 0x0, 0x0, {{0x7, 0x1, 'xt\x00'}, {0x124, 0x2, 0x0, 0x1, [@TCA_IPT_INDEX={0x8, 0x3, 0x10}, @TCA_IPT_TARG={0x118, 0x6, {0x8001, 'mangle\x00', 0x0, 0x1, "565f03dfddc97ed884c6edb10884a72af3ce08061852904053687b2a4abd44ce03cb52d881fa9235a0fba4791e24f248b97f7155f3dc86ac7f99e85ba441a14c5ea1082c1de9c6359d2422bb492517c2b33fdcaa6e7086c87968b668fc3e3c9f630a5d0c9bff20e6bfa8b577d77623e13fdea0e318a05e9cd5c22e5b1333ca12106bcf5b5a4b331e4ad4f217a0b0b27a2499d47933c6a3d82a8880c7d5d54d1dca0ed44b75d72afc4bf05ba6c92aafc425ff09b392b8415a15a73e1187ac2aa0ab150beccdbe099d3e907b10d0fb4d4764988120e697bd675624fec6c565a73292262ace2e9be4dd0814678f1373"}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x1, 0x1}}}}]}, @TCA_BPF_FLAGS={0x8, 0x8, 0x1}, @TCA_BPF_NAME={0xc, 0x7, './file0\x00'}, @TCA_BPF_FD={0x8, 0x6, r9}, @TCA_BPF_CLASSID={0x8, 0x3, {0x1}}]}}, @TCA_CHAIN={0x8, 0xb, 0x567}]}, 0x4a8}, 0x1, 0x0, 0x0, 0x8000}, 0x4000000) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) sendmsg$AUDIT_SET_FEATURE(r3, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, 0x3fa, 0x400, 0x70bd28, 0x25dfdbfb, {}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x805}, 0x8000) 08:20:10 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x8cffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 246.327861] block nbd5: Receive control failed (result -107) 08:20:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x40000, 0x0) write$ppp(r2, &(0x7f0000000040)="e9b5b3496aec449efd6a8c02dc45952f2c795df0bfc02dddddcb2f928688b13317626afcfad95a82e3eebacb38", 0x2d) ioctl$NBD_DO_IT(r0, 0xab03) [ 246.376466] block nbd5: shutting down sockets [ 246.391916] FAT-fs (loop2): bogus number of reserved sectors [ 246.411738] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:10 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x97ffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 246.470599] EXT4-fs (loop1): unable to read superblock 08:20:10 executing program 3: r0 = socket$inet6(0xa, 0x1, 0xfb76) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) ioctl$EVIOCGID(0xffffffffffffffff, 0x80084502, &(0x7f0000000380)=""/65) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r2, 0x29, 0x37, &(0x7f0000000580)=ANY=[@ANYBLOB="7704cd0000081900"], 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000280)='/dev/vcs\x00', 0x400000, 0x0) ioctl$KVM_GET_MP_STATE(r4, 0x8004ae98, &(0x7f00000002c0)) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000040)={r3}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000140)={r3, @in={{0x2, 0x4e21, @loopback}}, 0x5, 0x7}, &(0x7f0000000080)=0x90) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000200)={r5}, &(0x7f0000000240)=0x8) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000400)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 246.514108] block nbd5: Receive control failed (result -107) [ 246.520721] block nbd5: shutting down sockets [ 246.527189] block nbd5: Could not allocate knbd recv work queue. [ 246.536942] block nbd5: shutting down sockets 08:20:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x400a2, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 246.625933] FAT-fs (loop2): bogus number of reserved sectors [ 246.665408] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:10 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x26c6, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 246.688210] block nbd5: shutting down sockets 08:20:10 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xc0ed0000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 246.712219] block nbd5: shutting down sockets 08:20:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 246.834002] FAT-fs (loop2): bogus number of reserved sectors [ 246.860608] FAT-fs (loop2): Can't find a valid FAT filesystem [ 246.880551] block nbd5: Receive control failed (result -107) [ 246.889094] block nbd5: shutting down sockets 08:20:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$cgroup_ro(r2, &(0x7f0000000000)='cpuset.memory_pressure\x00', 0x0, 0x0) r4 = getpid() ioctl$TIOCSPGRP(r3, 0x5410, &(0x7f0000000040)=r4) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:10 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xc6260000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 246.934989] block nbd5: Receive control failed (result -107) [ 246.960631] block nbd5: shutting down sockets [ 247.067912] FAT-fs (loop2): bogus number of reserved sectors [ 247.081857] block nbd5: Receive control failed (result -107) [ 247.085438] FAT-fs (loop2): Can't find a valid FAT filesystem [ 247.088645] block nbd5: shutting down sockets 08:20:10 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xc8a60300, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 247.135376] block nbd5: Receive control failed (result -107) [ 247.144343] block nbd5: shutting down sockets [ 247.213002] EXT4-fs (loop1): unable to read superblock 08:20:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1f, 0x6, 0x7f) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = accept$netrom(r2, &(0x7f0000000180)={{0x3, @rose}, [@netrom, @bcast, @rose, @rose, @rose, @rose, @default, @rose]}, &(0x7f0000000200)=0x48) r4 = fcntl$dupfd(0xffffffffffffffff, 0x406, r3) r5 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) getsockopt$IP_VS_SO_GET_SERVICE(r5, 0x0, 0x483, 0x0, 0x0) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r6 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000040)='SEG6\x00') sendmsg$SEG6_CMD_SET_TUNSRC(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r6, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@SEG6_ATTR_DST={0x14, 0x1, @mcast1}, @SEG6_ATTR_SECRET={0x10, 0x4, [0x200, 0x125e, 0xffffad77]}, @SEG6_ATTR_ALGID={0x5, 0x6, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x4008000}, 0x0) r7 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000300)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) ioctl$KDFONTOP_GET(0xffffffffffffffff, 0x4b72, &(0x7f00000007c0)={0x1, 0x2, 0x6, 0x100006, 0x44, &(0x7f0000000800)}) write$RDMA_USER_CM_CMD_CREATE_ID(r7, &(0x7f0000000380)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000340)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r7, &(0x7f00000000c0)={0x14, 0x88, 0xfa00, {r8, 0x30, 0x0, @ib={0x1b, 0x0, 0x0, {"00000000000000000000000000000001"}, 0x11138e7, 0xfffffffffffffffd}}}, 0x90) write$RDMA_USER_CM_CMD_JOIN_MCAST(0xffffffffffffffff, &(0x7f0000000280)={0x16, 0x98, 0xfa00, {&(0x7f0000000240), 0x2, r8, 0x90da437d21c45598, 0x1, @ib={0x1b, 0x7, 0x8, {"567aeee5e1f41f9c3f87066283d13dd1"}, 0x8a, 0x7, 0x5}}}, 0xa0) ptrace(0x11, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 247.268748] FAT-fs (loop2): bogus number of reserved sectors [ 247.278131] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:11 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x26c7, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 247.388628] FAT-fs (loop2): bogus number of reserved sectors [ 247.417116] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:11 executing program 3: prctl$PR_SET_THP_DISABLE(0x29, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) clone(0x84000180, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IPT_SO_SET_REPLACE(r1, 0x4000000000000, 0x40, &(0x7f0000000900)=@raw={'raw\x00', 0x2, 0x3, 0x288, 0x0, 0xe8, 0xe8, 0xe8, 0xe8, 0x1f0, 0x1f0, 0x1f0, 0x1f0, 0x1f0, 0x3, 0x0, {[{{@ip={@loopback, @rand_addr, 0x0, 0x0, 'vlan0\x00', 'syz_tun\x00'}, 0x0, 0xb8, 0xe8, 0x0, {}, [@common=@unspec=@limit={{0x48, 'limit\x00'}, {0x5f5e0ff, 0x6000000}}]}, @common=@unspec=@CONNMARK={0x30, 'CONNMARK\x00'}}, {{@ip={@empty, @multicast1, 0x0, 0x0, 'vlan1\x00', 'vlan0\x00'}, 0x0, 0xa0, 0x108, 0x0, {}, [@common=@addrtype={{0x30, 'addrtype\x00'}}]}, @unspec=@CT2={0x68, 'CT\x00', 0x2, {0x0, 0x0, 0x0, 0x0, 'snmp\x00', 'syz0\x00'}}}], {{[], 0x0, 0x70, 0x98}, {0x28, '\x00', 0x4}}}}, 0x28d) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @private0={0xfc, 0x0, [], 0x1}}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:11 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xcb260000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 247.565155] xt_CT: You must specify a L4 protocol and not use inversions on it [ 247.664160] EXT4-fs (loop1): unable to read superblock [ 247.666736] FAT-fs (loop2): bogus number of reserved sectors [ 247.685276] FAT-fs (loop2): Can't find a valid FAT filesystem [ 247.790904] FAT-fs (loop2): bogus number of reserved sectors [ 247.800116] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:11 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x6c00, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:11 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xe0ba9e86, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 248.098327] FAT-fs (loop2): bogus number of reserved sectors [ 248.131589] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:12 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xf5ffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r3, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000040)={r4}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)={r4, 0x10000}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f00000000c0)={r5, @in6={{0xa, 0x4e20, 0x401, @loopback, 0x7}}, 0x2, 0x2, 0x0, 0x1, 0x5}, &(0x7f0000000180)=0x98) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000200)='/dev/hwrng\x00', 0x22000, 0x0) r7 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r7, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r7, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x66, &(0x7f0000000040)={r8}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r6, 0x84, 0x22, &(0x7f0000000240)={0x0, 0x204, 0x33, 0x67, r8}, 0x10) [ 248.304705] FAT-fs (loop2): bogus number of reserved sectors [ 248.331868] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:12 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xf6ffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:12 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r4, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x66, &(0x7f0000000040)={r5}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r3, 0x84, 0x70, &(0x7f0000000140)={r5, @in={{0x2, 0x4e21, @multicast2}}, [0x1000, 0x5, 0x200, 0x7bc, 0x2, 0x742c000000000000, 0x7, 0x1, 0x5, 0x0, 0xfffffffffffffffd, 0x1, 0xfffffffffffffffe, 0x8001, 0x6c7b1428]}, &(0x7f0000000080)=0x100) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 248.448945] block nbd5: Receive control failed (result -107) [ 248.478854] FAT-fs (loop2): bogus number of reserved sectors [ 248.498991] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:12 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xf8030000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 248.570315] EXT4-fs (loop1): unable to read superblock [ 248.660404] FAT-fs (loop2): bogus number of reserved sectors [ 248.670776] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:12 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x8205, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 248.756398] FAT-fs (loop2): bogus number of reserved sectors [ 248.776063] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:12 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfbffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 248.931546] FAT-fs (loop2): bogus number of reserved sectors [ 248.957158] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:12 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfcfdffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 249.153388] FAT-fs (loop2): bogus number of reserved sectors [ 249.187660] FAT-fs (loop2): Can't find a valid FAT filesystem [ 249.218596] block nbd5: shutting down sockets [ 249.251387] FAT-fs (loop2): bogus number of reserved sectors [ 249.261301] block nbd5: Receive control failed (result -107) [ 249.288734] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:13 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfdfdffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 249.396983] block nbd5: shutting down sockets 08:20:13 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) getsockopt$CAN_RAW_LOOPBACK(r1, 0x65, 0x3, &(0x7f0000000140), &(0x7f0000000180)=0x4) sendmmsg(r1, 0x0, 0x0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4a, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = openat$mice(0xffffffffffffff9c, &(0x7f0000000080)='/dev/input/mice\x00', 0x650400) sendto$inet6(r3, &(0x7f0000000380)="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", 0x1000, 0x8081, 0x0, 0x0) r4 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x11, 0x80000, 0x7) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) accept$inet6(r2, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={[], [], @multicast2}}, &(0x7f0000000040)=0x1c) ioctl$NBD_DO_IT(r0, 0xab03) [ 249.536003] FAT-fs (loop2): bogus number of reserved sectors [ 249.553369] EXT4-fs (loop1): unable to read superblock [ 249.561655] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:13 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000140)=[@in={0x2, 0xfff, @remote}, @in6={0xa, 0x4e20, 0x7fff, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x4}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x28}}, @in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x26}}, @in6={0xa, 0x4e24, 0x6, @private0={0xfc, 0x0, [], 0x1}, 0xa7}], 0x68) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:13 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfdffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:13 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r0 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x501000) ioctl$NBD_SET_SOCK(r0, 0xab00, r0) ioctl$SG_GET_VERSION_NUM(r0, 0x2282, &(0x7f0000000100)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x410180, 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hwrng\x00', 0x101100, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 08:20:13 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x9d00, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 249.745432] FAT-fs (loop2): bogus number of reserved sectors 08:20:13 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x40, 0x0) ioctl$TIOCGWINSZ(r0, 0x5413, &(0x7f0000000140)) r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r1, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r1, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = socket$netlink(0x10, 0x3, 0x8) sendmsg$IPSET_CMD_SWAP(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, 0x6, 0x6, 0x101, 0x0, 0x0, {0x15}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_SETNAME2={0x9, 0x3, 'syz2\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x400000c0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r1, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 249.794245] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1d, 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000000)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x100, 0x0, 0x0, 0x5, 0x1, 0x800}, &(0x7f0000000040)=0x20) ioctl$VIDIOC_G_INPUT(0xffffffffffffffff, 0x80045626, &(0x7f00000000c0)) ioctl$NBD_DO_IT(r0, 0xab03) [ 249.883005] FAT-fs (loop2): bogus number of reserved sectors [ 249.896472] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:13 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xff0f0000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 250.027170] can: request_module (can-proto-0) failed. [ 250.044545] can: request_module (can-proto-0) failed. [ 250.095562] FAT-fs (loop2): bogus number of reserved sectors [ 250.142531] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:14 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = gettid() tkill(r4, 0x16) ptrace$getregs(0xffffffffffffffff, r4, 0x7, &(0x7f0000000140)=""/44) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) ioctl$EVIOCSREP(0xffffffffffffffff, 0x40084503, &(0x7f00000002c0)=[0x3, 0x2]) r6 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') sendmsg$TIPC_NL_NAME_TABLE_GET(r5, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r6, @ANYBLOB="7df700000000000000000600001da18012f6803a71f3ac471d5c4100"], 0x14}}, 0x0) sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xb8, r6, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@TIPC_NLA_BEARER={0x50, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_PROP={0x14, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x80000001}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x3}]}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x20, 0x1, @in6={0xa, 0x4e24, 0x2, @local, 0x1}}, {0x14, 0x2, @in={0x2, 0x4e22, @multicast1}}}}]}, @TIPC_NLA_MEDIA={0x48, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x2c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x11}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x2f67}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0xeba}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x9}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x11}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}]}, @TIPC_NLA_MEDIA={0x4}, @TIPC_NLA_NODE={0x8, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_UP={0x4}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x800}, 0x100) ioctl$PPPIOCGUNIT(r3, 0x80047456, &(0x7f0000000080)) 08:20:14 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffff1f00, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, r2) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r4, 0xab00, r3) ioctl$NBD_DO_IT(r0, 0xab03) [ 250.335350] FAT-fs (loop2): bogus number of reserved sectors [ 250.364445] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:14 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfffffdfc, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 250.528375] FAT-fs (loop2): bogus number of reserved sectors [ 250.550089] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000000300), &(0x7f0000000340)=0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r2 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000240)='/dev/vcsu\x00', 0x10201, 0x0) setsockopt$IP_VS_SO_SET_DELDEST(r2, 0x0, 0x488, &(0x7f0000000280)={{0x6c, @rand_addr=0x64010101, 0x4e22, 0x4, 'none\x00', 0x28, 0x100, 0x7c}, {@multicast1, 0x4e21, 0x12005, 0xffff, 0x40, 0xfffffff9}}, 0x44) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x50080, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) fstat(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r7) sendmsg$nl_netfilter(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000600)={0x17c, 0x14, 0x4, 0x3, 0x70bd2b, 0x25dfdbfb, {0x5}, [@typed={0x4, 0x6e}, @typed={0x8, 0x1c, 0x0, 0x0, @uid=r7}, @generic="db83f094491719fee1606d03edb246fd843b3dee7e7b0ea8dbf5a4d7984e1963a0f2c505f68e40b153b70232a7a98f718467c7a527e2ea3d20923e91439d2f1a0f1be52a7663989446cd42d902fb009729d230e558e85d93b3cf8b8ebb52b49b9ddff7d3207d9f6549ce75dda51bc29de1163ec3c7674433eb3c7609aa5431be9c49fe7080aeef8addb301e6a9c074d93e15a6151cd9a1b74760c246954e6fa93db1e3b8a63956f1380d09c3bbb0a446404bcc49bced6d3de4dedd1cde94e2d5b800c2e4d594dcbee4ea221dbd69ae58dae67543dfeb692e2fc795d0e3dc5f1759b33ab5d821b2ca272877", @generic="b7ec49774599ef5072ecb7126a1cff17f69d650ded1b131792073e43cc1bfe6f88b47f48b2ca439ea3de5930d2098cf067c39149f687bc7fb2d007a27532e7764eb5a4e2348884130b646fcd3d9537b8785e6fe26f85c511ff3d450f4344109fe38ee6eb9b54bb5e29368f028b1c49"]}, 0x17c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 250.627520] FAT-fs (loop2): bogus number of reserved sectors [ 250.661186] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:14 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfffffdfd, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 250.720904] block nbd5: Receive control failed (result -107) [ 250.747516] block nbd5: shutting down sockets 08:20:14 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x74743999, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) [ 250.875078] FAT-fs (loop2): bogus number of reserved sectors [ 250.917821] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:14 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffffff7f, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 251.084982] FAT-fs (loop2): bogus number of reserved sectors [ 251.113793] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:14 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffffff8c, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) fstat(r3, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r4) syz_mount_image$hfs(&(0x7f0000000000)='hfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="fdd689983959a7a62ec6a8973c5a1409ca25ecf63abe80b3b0533ccd8aa73f19f27d733a41c47ed0a9cc5f6d4e7e054ff6b1a83409f803676f1393ea09a2498baf44b2ed8db1cc8b713b645f578f25117387aab602b085f6b4f5bf49ac523274e8091b33f850221fa52ac22e43bd1ab3127dda95d7d66322aaacf2237f16d45f6c4707757c8c70a44309c9383aacc8b73471881c1537a15d1f299c8f8b84888d8104af16df4256622af1889a7221935b591461ffdadec8a3be43109b4f41d72260de85ecb2316e2b09", 0xc9, 0x6}], 0x3000090, &(0x7f00000003c0)={[{@quiet='quiet'}, {@dir_umask={'dir_umask', 0x3d, 0x3}}], [{@fowner_lt={'fowner<', r4}}]}) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140)='devlink\x00') sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, r5, 0x20, 0x0, 0x25dfdbfb, {}, [{{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0xa020) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r7 = socket(0x1e, 0x800, 0x7) ioctl$SIOCAX25ADDUID(r7, 0x89e1, &(0x7f0000000740)={0x3, @bcast, r4}) sendmmsg(r6, 0x0, 0x0, 0x0) ioctl$IMGETDEVINFO(r6, 0x80044944, &(0x7f0000000100)={0x3}) ioctl$NBD_DO_IT(r0, 0xab03) [ 251.263704] FAT-fs (loop2): bogus number of reserved sectors [ 251.288581] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:15 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffffff97, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 251.403834] block nbd5: shutting down sockets [ 251.426813] hfs: unable to parse mount options [ 251.444173] FAT-fs (loop2): bogus number of reserved sectors [ 251.505859] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:15 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfffffff5, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 251.672445] FAT-fs (loop2): bogus number of reserved sectors [ 251.717104] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:17 executing program 3: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) ioctl$SG_GET_LOW_DMA(r0, 0x227a, &(0x7f0000000080)) r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r1, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r1, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r1, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:17 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfffffff6, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000000)={0x0, 0x80000, r2}) fcntl$setlease(r3, 0x400, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) mmap$dsp(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x7000000, 0x64051, r4, 0x0) 08:20:17 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x7474399f, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_GEM_OPEN(r3, 0xc010640b, &(0x7f0000000000)={0x0, 0x0, 0x45f5}) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r5, 0xc00c642d, &(0x7f0000000040)={0x0, 0x80000}) ioctl$DRM_IOCTL_GEM_OPEN(r2, 0xc010640b, &(0x7f00000000c0)={r4, r6, 0x7}) 08:20:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r2, 0xc01064bd, &(0x7f0000000000)={&(0x7f00000000c0)="0fc844cc752663f4a50cd615399bd250da5c18364a5ed9a43c4df919cac742ecd1dc1f882eeb02164eee3bc9fd47daaf63e3388d00e34d4b177f5b6a072e71446effaad3ba1818f407b6bd538de36c27bf8529ed09ec67c999fa0117cc08ff6057b235f8909f9e668d1d4c9c73347b37964d22e18f7385c2cfe979bbfa38e471b9b19d232eaf4be80aab90b0f560aca5501e8e20e35078bdb41dca9abc7fc50bca26745213aac546b8fea4626a3b4c4a3419c407e06931c041ad65b627e322e5f39ad3", 0xc3, 0x0}) ioctl$DRM_IOCTL_MODE_GETPROPBLOB(r1, 0xc01064ac, &(0x7f0000000040)={r3, 0xf8, &(0x7f00000001c0)=""/248}) r4 = socket(0x1, 0x807, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) [ 253.295306] block nbd0: Receive control failed (result -107) [ 253.302528] block nbd0: shutting down sockets [ 253.319550] block nbd0: Receive control failed (result -107) [ 253.325770] block nbd5: Receive control failed (result -107) [ 253.333936] block nbd5: shutting down sockets [ 253.343281] FAT-fs (loop2): bogus number of reserved sectors [ 253.351476] FAT-fs (loop2): Can't find a valid FAT filesystem [ 253.373112] block nbd5: Receive control failed (result -107) [ 253.373366] block nbd5: shutting down sockets 08:20:17 executing program 5: r0 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r0, 0x0, 0x0, 0x0) ioctl$SIOCX25SCALLUSERDATA(r0, 0x89e5, &(0x7f00000000c0)={0x5f, "8e4e3225b71955b1bd47d677895af671c68c8bf0a41d0a797fedf2e5c79c4a2143ee8d0ed9718e2063e9ea30ae84d9116faa5f518660dc1313032b17f60947396f19389df976be4f2fdff0c1cdb6700a98c0e64d118deb7cf1f5d9b726ff0f1aa753b7f101dc2bb22f30529a07bf5cc0491c9b81adc4519725873671dabab28d"}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) 08:20:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:17 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsa\x00', 0x20100, 0x0) ioctl$SIOCPNENABLEPIPE(r1, 0x89ed, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 253.395422] block nbd0: shutting down sockets [ 253.453720] FAT-fs (loop2): bogus number of reserved sectors [ 253.469090] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:17 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfffffffb, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 253.493959] block nbd5: Receive control failed (result -107) [ 253.504300] block nbd5: shutting down sockets [ 253.527884] block nbd5: Receive control failed (result -107) [ 253.538133] block nbd5: shutting down sockets [ 253.554388] block nbd4: shutting down sockets [ 253.575017] block nbd4: shutting down sockets 08:20:17 executing program 3: r0 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x3716c3, 0x0) sendmmsg(r0, 0x0, 0x0, 0x0) ioctl$RTC_AIE_OFF(r0, 0x7002) r1 = socket$inet6(0xa, 0x2, 0x0) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000380), &(0x7f00000003c0)=0x4) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$int_out(r2, 0x2a30, &(0x7f0000000080)) setsockopt$inet6_int(r1, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r1, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$PIO_UNISCRNMAP(r3, 0x4b6a, &(0x7f0000000400)="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") sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) mount$9p_virtio(&(0x7f0000000140)='syz\x00', &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)='9p\x00', 0x2004802, &(0x7f0000000200)={'trans=virtio,', {[{@version_L='version=9p2000.L'}, {@cache_none='cache=none'}, {@version_9p2000='version=9p2000'}], [{@fsmagic={'fsmagic', 0x3d, 0x18}}, {@obj_type={'obj_type', 0x3d, '#!]%,:[%\'/^&^@/\'#\\(-*'}}, {@permit_directio='permit_directio'}]}}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r1, &(0x7f0000001400)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) ioctl$SNDRV_TIMER_IOCTL_TREAD(r0, 0x40045402, &(0x7f00000002c0)=0x1) 08:20:17 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) getsockname(r2, &(0x7f00000001c0)=@nl=@unspec, &(0x7f0000000240)=0x80) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) ioctl$VIDIOC_QUERYCTRL(0xffffffffffffffff, 0xc0445624, &(0x7f0000000140)={0x80000000, 0x100, "a0980525656a3ae3cbedf0fa27932d3b410be1a571072acf5245fb3868530e41", 0x4, 0x3f, 0x7ff, 0x6}) 08:20:17 executing program 4: r0 = dup(0xffffffffffffffff) getpeername$packet(r0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r1}) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000140)={@mcast1, r1}, 0x28) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x108cc1, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) fcntl$dupfd(r4, 0x0, r5) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)=0x20000202) r7 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r8, 0xc00464af, &(0x7f0000000040)) getsockopt$bt_BT_SNDMTU(0xffffffffffffffff, 0x112, 0xc, &(0x7f0000000000)=0x40, &(0x7f0000000100)) sendmmsg(r7, 0x0, 0x0, 0x0) dup2(r6, r7) [ 253.691501] FAT-fs (loop2): bogus number of reserved sectors [ 253.718318] FAT-fs (loop2): Can't find a valid FAT filesystem [ 253.789941] FAT-fs (loop2): bogus number of reserved sectors [ 253.798005] FAT-fs (loop2): Can't find a valid FAT filesystem [ 253.817300] block nbd4: shutting down sockets [ 253.837544] block nbd4: shutting down sockets 08:20:17 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000140)={0x0, {0x2, 0x4e23, @local}, {0x2, 0x4e21, @rand_addr=0x64010100}, {0x2, 0x4e20, @rand_addr=0x64010101}, 0x14, 0x0, 0x0, 0x0, 0xfffe, &(0x7f0000000080)='batadv_slave_0\x00', 0x5, 0x8, 0x20}) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:17 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfffffffd, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 253.994021] FAT-fs (loop2): bogus number of reserved sectors [ 254.016050] FAT-fs (loop2): Can't find a valid FAT filesystem [ 254.082882] FAT-fs (loop2): bogus number of reserved sectors [ 254.096835] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:18 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x7ffffff9, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:18 executing program 5: sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x24, &(0x7f00000000c0)={@rand_addr, @dev, 0x0}, &(0x7f0000000100)=0xc) r1 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r2) getpeername$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0x14) ioctl$sock_inet6_SIOCADDRT(r1, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r3}) r4 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) getpeername$packet(r6, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r4, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r7}) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r8, 0xc00464af, &(0x7f0000000040)) getsockopt$inet_IP_IPSEC_POLICY(r8, 0x0, 0x10, &(0x7f0000000280)={{{@in=@initdev, @in6=@ipv4={[], [], @broadcast}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@private0}, 0x0, @in6=@loopback}}, &(0x7f0000000380)=0xe8) sendmsg$ETHTOOL_MSG_LINKINFO_GET(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000500)={&(0x7f00000003c0)={0x12c, 0x0, 0x8, 0x70bd27, 0xfff, {}, [@ETHTOOL_A_LINKINFO_HEADER={0x50, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @ETHTOOL_A_LINKINFO_HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r0}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @ETHTOOL_A_LINKINFO_HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @ETHTOOL_A_LINKINFO_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x6}]}, @ETHTOOL_A_LINKINFO_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r9}]}]}, 0x12c}, 0x1, 0x0, 0x0, 0x4000850}, 0x20048005) r10 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r11 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r10, 0xab00, r11) ioctl$NBD_DO_IT(r10, 0xab03) 08:20:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x121000) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = openat(r4, &(0x7f0000000180)='./file0\x00', 0x8a040, 0x2) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) r7 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r7, 0xc00464af, &(0x7f0000000040)) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r8, 0xc00464af, &(0x7f0000000040)) pipe(&(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x904005}, 0xc, &(0x7f0000000340)={&(0x7f0000000400)=ANY=[@ANYBLOB="08010000", @ANYRES16=0x0, @ANYBLOB="000229bd7000fcdbdf25010000000c0008002d090000000000000c0004004c000000000000000c00080006000000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0008003073ffffffffffff0c00060000000000000000002c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="4c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="ad0f950d47382bc488fd5a109cdc1ca0fc422f007fe19c541416f35273197c373c476d19fa9dd3e66b7a0f2b3dc8d550c0c44caa16e2a36ae7a195e384444058bfcdf6cb78af9182aa04d3538c421aff20e4e151dde91ab03f4507e162e39543924653c77d046ee1200a64d4efb312ac2a4fa5e862cbea1d48f424c877f18daa84d0494c6a42a4bc5f7dfdcc31e616fd7f3876e00fe65de60e2af749c614fad74db7f41c03004be6e93cd763ab3fe3c3c0598eec28105dee94e9ee3d8e712fc7198559bd998c8671f00267d3", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="83eb4aec", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB='\x00'/12], 0x108}, 0x1, 0x0, 0x0, 0x20000004}, 0xc0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$sock_SIOCGIFVLAN_GET_VLAN_VID_CMD(r2, 0x8982, &(0x7f0000000000)) 08:20:18 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x4c, &(0x7f0000000100)=0x80000fff, 0x4) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) connect$tipc(r2, &(0x7f0000000080)=@id={0x1e, 0x3, 0x3, {0x4e21, 0x2}}, 0x10) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x8) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:18 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xedc000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 254.268235] block nbd4: shutting down sockets [ 254.274823] block nbd0: Receive control failed (result -107) [ 254.281683] block nbd0: shutting down sockets [ 254.288441] block nbd4: shutting down sockets [ 254.288712] block nbd0: Could not allocate knbd recv work queue. 08:20:18 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setxattr$trusted_overlay_opaque(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='trusted.overlay.opaque\x00', &(0x7f0000000180)='y\x00', 0x2, 0x2) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f00000001c0)={0x1, 0xffffffffffffffff}, 0x8) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_genetlink_get_family_id$tipc2(&(0x7f0000000000)='TIPCv2\x00') setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 254.339711] block nbd0: shutting down sockets [ 254.377059] block nbd5: Receive control failed (result -107) [ 254.389247] block nbd5: shutting down sockets [ 254.407403] block nbd5: Could not allocate knbd recv work queue. [ 254.427275] block nbd5: shutting down sockets [ 254.437880] FAT-fs (loop2): bogus number of reserved sectors [ 254.472312] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:18 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) setsockopt$ax25_int(r2, 0x101, 0x8, &(0x7f0000000000)=0x3, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000340)='batadv\x00') r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = accept(r3, &(0x7f0000000180)=@xdp, &(0x7f0000000200)=0x80) r5 = open(&(0x7f0000000280)='./file0\x00', 0x80600, 0xfc) getsockopt$llc_int(r5, 0x10c, 0x4, &(0x7f00000002c0), &(0x7f0000000300)=0x4) r6 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r6, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r6, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r6, 0x84, 0x66, &(0x7f0000000040)={r7}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r4, 0x84, 0x18, &(0x7f0000000240)={r7, 0xffff}, 0x8) sendmsg$BATADV_CMD_GET_GATEWAYS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r2, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x401}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x8000) [ 254.513813] block nbd0: Receive control failed (result -107) [ 254.520525] block nbd0: shutting down sockets [ 254.527962] block nbd0: Could not allocate knbd recv work queue. 08:20:18 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x1000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:18 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$RTC_WIE_OFF(r2, 0x7010) r4 = socket$inet_udp(0x2, 0x2, 0x0) fstat(r4, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) fstat(r1, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0}) fstat(r1, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(r5, r6, r7) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 254.589727] block nbd0: shutting down sockets [ 254.622582] block nbd5: Receive control failed (result -107) [ 254.634295] block nbd5: shutting down sockets [ 254.670630] block nbd5: Receive control failed (result -107) [ 254.677499] block nbd5: shutting down sockets 08:20:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x105043) r1 = socket(0x17, 0x3, 0x0) socket$pppoe(0x18, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 254.716415] FAT-fs (loop2): bogus number of reserved sectors [ 254.757902] FAT-fs (loop2): Can't find a valid FAT filesystem [ 254.781440] block nbd4: shutting down sockets [ 254.842390] FAT-fs (loop2): bogus number of reserved sectors [ 254.851607] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:19 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xffffff1f, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) set_robust_list(&(0x7f0000000140)={&(0x7f0000000040), 0x3ff, &(0x7f0000000100)={&(0x7f00000000c0)}}, 0x18) io_setup(0x0, &(0x7f0000000000)) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SNDRV_PCM_IOCTL_DRAIN(0xffffffffffffffff, 0x4144, 0x0) 08:20:19 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)={0xa, 0x4e22, 0x0, @rand_addr, 0x17}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) setsockopt$inet6_IPV6_RTHDRDSTOPTS(r3, 0x29, 0x37, &(0x7f0000000140)={0x5c, 0x2d, [], [@generic={0x0, 0x37, "c866018f8931910eb44b828f359d44f936052f8534664081c8fcbafceb651f22e4ac5837413bfff8ed1b9fd96d7d89e5ea65c2c09f9e07"}, @padn={0x1, 0x1, [0x0]}, @pad1, @generic={0x0, 0xe1, "f65d5621ab69f259332d2e7a64e1c544c057396776d71926b2705d6c706192d73fea27ea1b646aed2a581043fa6ed700b76898f2d3c55446f793ee2445aca941b57d553030c5ed9a6a54283ed78e63994ee40396eb5005116a0e3a5d42c04854d705ab69557b213f8f2846049ee7d7eff085f914d686d86f979bd407d5229e72627727b923c4ab4eb23b6d45a763577830c771bc629f208b2311073f020a534ce7e3163a10a1490053528f6adf7d4163270d3886ade3546f63efc51c30052eb6c00ff9072a90700de2c9df5d372ecd06b4ba2f8d1d39e5071375043eb71521a675"}, @calipso={0x7, 0x48, {0x1, 0x10, 0x1, 0x3f, [0x4, 0x7, 0x80000000, 0x4, 0x80, 0x6, 0x6, 0x2]}}, @pad1]}, 0x178) prctl$PR_MCE_KILL(0x21, 0x1, 0x2) r4 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r4, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f00000000c0)={r4, 0x6c, 0x82}, 0x0, &(0x7f0000000380)="e1cea7e5296fb0b52a891df28db85f040eee12780c9b8633eb0375167d64bf3c62c12bb7df75ed1e34010f3795c2567ccd92aa970d9f3a0554cc47741221ce5b0e6c6636c1efbd47dd25244cb988e9970926aebb347486b0986b9a731600e429ebf561d930a14e462e44f583", &(0x7f0000000400)=""/130) 08:20:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140)='devlink\x00') sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, r3, 0x20, 0x0, 0x25dfdbfb, {}, [{{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0x3, 0x1}}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0xa020) sendmsg$DEVLINK_CMD_SB_OCC_SNAPSHOT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r3, 0x900, 0x70bd28, 0x25dfdbfc, {}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x80000000}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x6c0c0) 08:20:19 executing program 0: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) setsockopt$inet6_dccp_buf(r0, 0x21, 0xf, &(0x7f00000000c0)="ce3300d7afc60ec18d9b89b9fbbb19998354c731e4984d7eef36905f97eb6f56ea047648ff25d97943b201784cc494ae0c849f4547091e8893763df344deeaef72dfbd2039b3cebe535f40908e9e912a94693bfb8ce3438b83e74623f54dc5d8fe23e4e813b6a19f235228fa0461e1463e7b45373945c4c274e0caafa07939da816b0d5d3ed72b996f76e219bb47e0985bc4f1a5798247c48b0c742f2b2d10d3dd76fb0712ba6558ed2dd7ae9797288e3fa63fa07c61a28be7c26f8fc9cacb1692e4", 0xc2) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) sendmmsg(r3, 0x0, 0x0, 0x480d4) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) 08:20:19 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x2000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 255.352710] block nbd4: shutting down sockets [ 255.366450] FAT-fs (loop2): bogus number of reserved sectors [ 255.386716] block nbd5: Receive control failed (result -107) [ 255.394115] block nbd5: shutting down sockets [ 255.420356] block nbd5: Receive control failed (result -107) [ 255.427692] block nbd4: shutting down sockets [ 255.433801] FAT-fs (loop2): Can't find a valid FAT filesystem [ 255.477393] block nbd5: shutting down sockets 08:20:19 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) getsockopt$IP6T_SO_GET_ENTRIES(r0, 0x29, 0x41, &(0x7f0000000080)={'raw\x00', 0x12, "09acfe156ca074f49c9d35509e3ccbb33b12"}, &(0x7f0000000140)=0x36) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) setsockopt$inet6_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f0000000180)=0x1, 0x4) 08:20:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet6_opts(r3, 0x29, 0x3b, 0x0, 0x3755182e775c8909) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) setsockopt$PNPIPE_ENCAP(r5, 0x113, 0x1, &(0x7f00000000c0)=0x1, 0x4) ioctl$KVM_SET_GUEST_DEBUG(r4, 0x4048ae9b, &(0x7f0000000000)={0x0, 0x0, [0x336458c4, 0x4, 0x2, 0x80000000, 0x10001, 0xc03, 0x9, 0x502]}) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:19 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8080) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$vim2m_VIDIOC_ENUM_FRAMESIZES(r1, 0xc02c564a, &(0x7f00000000c0)={0x1, 0x49323159, 0x1, @discrete={0xff, 0x80000001}}) r2 = socket(0x2, 0x1, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = syz_open_dev$vcsa(&(0x7f0000000180)='/dev/vcsa#\x00', 0x8000, 0x84000) sendmsg$nl_route(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)=@bridge_dellink={0xc8, 0x11, 0x1, 0x70bd25, 0x25dfdbff, {}, [@IFLA_AF_SPEC={0x8c, 0x1a, 0x0, 0x1, [@AF_INET6={0x44, 0xa, 0x0, 0x1, [@IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x4}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x93}, @IFLA_INET6_TOKEN={0x14, 0x7, @mcast1}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x3}, @IFLA_INET6_TOKEN={0x14, 0x7, @ipv4={[], [], @multicast1}}]}, @AF_INET={0x10, 0x2, 0x0, 0x1, {0xc, 0x1, 0x0, 0x1, [{0x8, 0x17, 0x0, 0x0, 0x20}]}}, @AF_INET6={0xc, 0xa, 0x0, 0x1, [@IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0xf8}]}, @AF_INET={0x28, 0x2, 0x0, 0x1, {0x24, 0x1, 0x0, 0x1, [{0x8, 0x10, 0x0, 0x0, 0xcc3}, {0x8, 0x13, 0x0, 0x0, 0x9}, {0x8, 0x0, 0x0, 0x0, 0x10000}, {0x8, 0xa, 0x0, 0x0, 0x101}]}}]}, @IFLA_IFALIAS={0x14, 0x14, 'vlan0\x00'}, @IFLA_PROTO_DOWN={0x5, 0x27, 0x7f}]}, 0xc8}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) setsockopt$CAN_RAW_ERR_FILTER(r3, 0x65, 0x2, &(0x7f0000000000)=0x3d, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) r5 = openat$vsock(0xffffffffffffff9c, &(0x7f0000001540)='/dev/vsock\x00', 0x404000, 0x0) setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r5, 0x84, 0x15, &(0x7f0000001580)={0x1}, 0x1) getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000100), &(0x7f0000000140)=0x4) 08:20:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xb, 0x0, 0x8) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 255.648468] block nbd0: Receive control failed (result -107) [ 255.655766] block nbd0: shutting down sockets [ 255.664143] block nbd5: Receive control failed (result -107) [ 255.671180] block nbd5: shutting down sockets [ 255.681663] FAT-fs (loop2): bogus number of reserved sectors 08:20:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x131442) r1 = socket(0x1f, 0x80000, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 255.699521] block nbd0: Receive control failed (result -107) [ 255.707244] block nbd5: Receive control failed (result -107) [ 255.709227] block nbd0: shutting down sockets [ 255.732946] FAT-fs (loop2): Can't find a valid FAT filesystem [ 255.741565] block nbd5: shutting down sockets [ 255.804438] FAT-fs (loop2): bogus number of reserved sectors [ 255.815024] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:20 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xffff8880a3d302d8, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:20 executing program 3: ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000049c0)='/dev/ocfs2_control\x00', 0xa0001, 0x0) renameat(0xffffffffffffffff, &(0x7f0000001ec0)='./file0\x00', r0, &(0x7f0000004a00)='./file0\x00') r1 = socket$inet6(0xa, 0x1, 0x2ccca7bb) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000080)=0xcc9) ftruncate(r2, 0xfffffffffffffff7) setsockopt$inet6_int(r1, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r1, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = dup(r3) r5 = socket$kcm(0x29, 0x5, 0x0) recvmmsg(r5, &(0x7f0000004800)=[{{&(0x7f0000000140)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}}}, 0x80, &(0x7f0000000200)=[{&(0x7f00000001c0)=""/28, 0x1c}], 0x1}, 0x6}, {{&(0x7f0000000240)=@ax25={{0x3, @netrom}, [@netrom, @remote, @rose, @rose, @netrom, @bcast, @netrom, @rose]}, 0x80, &(0x7f00000019c0)=[{&(0x7f0000000380)=""/187, 0xbb}, {&(0x7f0000000440)=""/88, 0x58}, {&(0x7f00000004c0)=""/73, 0x49}, {&(0x7f0000000540)=""/150, 0x96}, {&(0x7f0000000600)=""/91, 0x5b}, {&(0x7f0000000680)=""/136, 0x88}, {&(0x7f0000000740)=""/4096, 0x1000}, {&(0x7f0000001740)=""/168, 0xa8}, {&(0x7f0000001800)=""/145, 0x91}, {&(0x7f00000018c0)=""/207, 0xcf}], 0xa, &(0x7f00000002c0)=""/9, 0x9}, 0x6}, {{&(0x7f0000001a80)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}}}, 0x80, &(0x7f0000001c80)=[{&(0x7f0000001b00)=""/79, 0x4f}, {&(0x7f0000001b80)=""/116, 0x74}, {&(0x7f0000001c00)=""/88, 0x58}], 0x3, &(0x7f0000001cc0)=""/217, 0xd9}, 0x10001}, {{0x0, 0x0, &(0x7f0000002000)=[{&(0x7f0000001dc0)=""/93, 0x5d}, {&(0x7f0000001e40)=""/27, 0x1b}, {&(0x7f0000001e80)=""/53, 0x35}, {&(0x7f0000001ec0)}, {&(0x7f0000001f00)=""/253, 0xfd}], 0x5, &(0x7f0000002080)=""/146, 0x92}, 0x7}, {{&(0x7f0000002140)=@vsock={0x28, 0x0, 0x0, @host}, 0x80, &(0x7f0000002440)=[{&(0x7f00000021c0)=""/92, 0x5c}, {&(0x7f0000002240)=""/253, 0xfd}, {&(0x7f0000002340)=""/142, 0x8e}, {&(0x7f0000002400)=""/51, 0x33}], 0x4, &(0x7f0000002480)=""/4096, 0x1000}, 0x9}, {{&(0x7f0000003480)=@l2tp6={0xa, 0x0, 0x0, @local}, 0x80, &(0x7f0000004780)=[{&(0x7f0000003500)=""/118, 0x76}, {&(0x7f0000003580)=""/4096, 0x1000}, {&(0x7f0000004580)=""/246, 0xf6}, {&(0x7f0000004680)=""/239, 0xef}], 0x4, &(0x7f00000047c0)=""/19, 0x13}, 0x4}], 0x6, 0x40002160, &(0x7f0000004980)) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) recvmsg(r6, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x40012161) 08:20:20 executing program 0: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) getsockopt$netrom_NETROM_T2(r0, 0x103, 0x2, &(0x7f0000000100)=0x660, &(0x7f0000000140)=0x4) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$RTC_PIE_ON(r1, 0x7005) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$FITRIM(r0, 0xc0185879, &(0x7f00000001c0)={0x9, 0x0, 0x3}) r3 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x0, 0x44000) ioctl$DRM_IOCTL_FREE_BUFS(r3, 0x4010641a, &(0x7f00000000c0)={0x2d, &(0x7f0000000180)=[0x3, 0x100008, 0x5, 0x4, 0x2ac2]}) r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000200)='/dev/null\x00', 0x0, 0x0) ioctl$TIOCEXCL(r4, 0x540c) 08:20:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000000040)={'veth0_to_team\x00', &(0x7f0000000100)=ANY=[@ANYBLOB="130000001406000008000000010000000fb65b3f133d017d77e84721821ff822ee54d8af0e3d62fc5ebc5c74b61951c59797a335d40ae5edcf6397908144029336224eb8df7432064eba44fc14fb3c4faa4ab0bc000000000000f1f158aafaa7c51e6fb849f29e2ba65df8f603881d43e8b52c684e44a27c5106f0c462293d97937644fe2528050e003b02e7ab5aa5397c899f874e7d174fa4de970094c1b0a9c511ec23545ad390f19d5152624c"]}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) sendfile(r2, r3, &(0x7f00000000c0)=0x7, 0x7f) 08:20:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) sendto$inet(r1, &(0x7f0000000000)="732c48ceaa6fa86b575952ebaaeac5aeb177da8925159751649a12830d4a92323a90749f9867eb3fc2c1e61b112834bf24823bfadb676f899b4a325c0ad25afcd1408621ae7dd23ee823a9da281bbbccb873a089dc04371d4e7f66f28ab7c419d8fed4a01672", 0x66, 0x8000, &(0x7f00000000c0)={0x2, 0x4e23, @loopback}, 0x10) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:20 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x7ffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = shmget$private(0x0, 0x1000, 0x54001800, &(0x7f0000fff000/0x1000)=nil) shmat(r2, &(0x7f0000000000/0x4000)=nil, 0xffffffffffffffff) shmctl$IPC_RMID(r2, 0x0) shmctl$SHM_UNLOCK(r2, 0xc) [ 256.316831] FAT-fs (loop2): bogus number of reserved sectors [ 256.333465] block nbd5: Receive control failed (result -107) [ 256.341735] block nbd5: shutting down sockets [ 256.356492] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm_plock\x00', 0x169100, 0x0) getsockname$unix(r2, &(0x7f00000000c0), &(0x7f0000000040)=0x6e) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 256.379688] block nbd5: shutting down sockets 08:20:20 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r4, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) r5 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:20 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xe000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 256.502880] audit: type=1800 audit(1593246020.298:25): pid=15215 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.4" name="SYSV00000000" dev="hugetlbfs" ino=0 res=0 [ 256.541520] block nbd4: shutting down sockets [ 256.558088] block nbd0: Receive control failed (result -107) [ 256.565622] block nbd0: shutting down sockets [ 256.579746] block nbd4: shutting down sockets [ 256.600568] block nbd0: Receive control failed (result -107) 08:20:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) recvmmsg(r1, &(0x7f0000002ac0)=[{{&(0x7f00000000c0)=@x25={0x9, @remote}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000140)=""/113, 0x71}], 0x1, &(0x7f0000000200)=""/195, 0xc3}, 0x8}, {{&(0x7f0000000300)=@caif=@dgm, 0x80, &(0x7f00000016c0)=[{&(0x7f0000000380)=""/4096, 0x1000}, {&(0x7f0000001380)=""/216, 0xd8}, {&(0x7f0000001480)}, {&(0x7f00000014c0)=""/216, 0xd8}, {&(0x7f00000015c0)=""/237, 0xed}], 0x5, &(0x7f0000001740)=""/76, 0x4c}, 0x1}, {{0x0, 0x0, &(0x7f0000001a40)=[{&(0x7f00000017c0)=""/255, 0xff}, {&(0x7f00000018c0)=""/116, 0x74}, {&(0x7f0000001940)=""/172, 0xac}, {&(0x7f0000001a00)=""/56, 0x38}], 0x4}, 0x6}, {{&(0x7f0000001a80)=@caif=@dgm, 0x80, &(0x7f0000001c40)=[{&(0x7f0000001b00)=""/44, 0x2c}, {&(0x7f0000001b40)=""/208, 0xd0}], 0x2, &(0x7f0000001c80)=""/149, 0x95}, 0x6}, {{&(0x7f0000001d40)=@hci, 0x80, &(0x7f00000020c0)=[{&(0x7f0000001dc0)=""/44, 0x2c}, {&(0x7f0000001e00)=""/241, 0xf1}, {&(0x7f0000001f00)=""/94, 0x5e}, {&(0x7f0000001f80)=""/44, 0x2c}, {&(0x7f0000001fc0)=""/113, 0x71}, {&(0x7f0000002040)=""/51, 0x33}, {&(0x7f0000002080)=""/63, 0x3f}], 0x7, &(0x7f0000002140)=""/217, 0xd9}, 0x9}, {{&(0x7f0000002240)=@nl=@unspec, 0x80, &(0x7f00000023c0)=[{&(0x7f00000022c0)=""/234, 0xea}], 0x1, &(0x7f0000002400)=""/77, 0x4d}, 0x40}, {{&(0x7f0000002480)=@l2tp={0x2, 0x0, @broadcast}, 0x80, &(0x7f00000025c0)=[{&(0x7f0000002500)=""/50, 0x32}, {&(0x7f0000002540)=""/124, 0x7c}], 0x2, &(0x7f0000002600)=""/176, 0xb0}, 0x9}, {{&(0x7f00000026c0)=@tipc, 0x80, &(0x7f00000027c0)=[{&(0x7f0000002740)=""/74, 0x4a}], 0x1, &(0x7f0000002800)=""/98, 0x62}, 0xae66}, {{&(0x7f0000002880)=@pptp={0x18, 0x2, {0x0, @dev}}, 0x80, &(0x7f00000029c0)=[{&(0x7f0000002900)=""/86, 0x56}, {&(0x7f0000002980)=""/63, 0x3f}], 0x2, &(0x7f0000002a00)=""/135, 0x87}, 0x1}], 0x9, 0x40000100, 0x0) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/timers\x00', 0x0, 0x0) ioctl$USBDEVFS_GET_CAPABILITIES(r2, 0x8004551a, &(0x7f0000000040)) [ 256.620266] block nbd0: shutting down sockets 08:20:20 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x40) getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(r1, 0x84, 0x74, &(0x7f0000000040)=""/41, &(0x7f0000000300)=0x29) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(0xffffffffffffffff, 0x40405515, &(0x7f0000000200)={0x4, 0x6, 0x5, 0x4, 'syz0\x00', 0x4}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = dup(r3) setsockopt$inet6_int(r4, 0x29, 0x49, &(0x7f0000000100)=0x9, 0xfffffffffffffd27) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$KVM_UNREGISTER_COALESCED_MMIO(r6, 0x4010ae68, &(0x7f0000000080)={0x1000, 0x10000}) sendmsg$IPSET_CMD_PROTOCOL(r4, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000003c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="3400000001060104000000000091f6b706deaaaab400010007000000050001000700000005001a784ec74b00000500100007000000a1c0f812f3206e567b8b9b6e16bbe035afc8feedd10d5b82d84e86a8a442787cc21e1fbc03c97f2ffa"], 0x34}, 0x1, 0x0, 0x0, 0x24000040}, 0xc4001) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$FBIOPAN_DISPLAY(r6, 0x4606, &(0x7f0000000140)={0x356, 0x140, 0x356, 0x960, 0x6, 0x8, 0x8, 0x2, {0x7, 0x7, 0x1}, {0x6, 0x1, 0x1}, {0x4, 0xc64e}, {0x8, 0x802, 0x1}, 0x0, 0x0, 0x2, 0x0, 0x1, 0x4cb, 0x0, 0xffffffff, 0x2488a1b0, 0x200, 0x6, 0x0, 0x28, 0x4, 0xbff0c6a5cf838454, 0xc}) recvmsg(r0, &(0x7f00000002c0)={&(0x7f0000000240)=@nl=@proc, 0x80, 0x0}, 0x0) [ 256.664218] FAT-fs (loop2): bogus number of reserved sectors [ 256.701242] FAT-fs (loop2): Can't find a valid FAT filesystem [ 256.723720] block nbd4: shutting down sockets [ 256.750096] block nbd4: shutting down sockets [ 256.765284] FAT-fs (loop2): bogus number of reserved sectors [ 256.774833] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:21 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xffff8880a4512ab8, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x10801) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) socket$nl_route(0x10, 0x3, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) ioctl$sock_SIOCBRADDBR(0xffffffffffffffff, 0x89a0, &(0x7f00000004c0)='bridge_slave_1\x00') ioctl$sock_SIOCGIFVLAN_SET_VLAN_FLAG_CMD(r1, 0x8982, &(0x7f0000000000)={0x7, 'bridge_slave_0\x00', {0x2b8}}) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000480)={'batadv0\x00', 0x2000}) r5 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) syz_mount_image$afs(&(0x7f0000000100)='afs\x00', &(0x7f0000000140)='./file0\x00', 0xfffffffffffffff8, 0x3, &(0x7f00000003c0)=[{&(0x7f0000000180)="8e44c514daab024d0f5f8193b710482eec6616f8cadd5cea2ed5165593cf6652564de7d54051be7cb4c1dfe6c8bef0eaa66db0bfaf75d2bc1e6a2be4ca1aae9cf4e91fa59d83ab0f79632040175bdfc5d5a8f8d12d3efc58f7e3e4c5c618b54b15d03b29fa509a8ceb83dcd81121a4815c40eb802000b4365aa0fb38c8169d5931ee4b7834ccd103591ef65685c8f3d9cc241d472b0e0e0d592e95629ae900f5e7c8a076dbe466", 0xa7, 0x9}, {&(0x7f0000000240)="4140be0cfdda7f74fdc3e5e112869ed023c8dfbbe063b33ac49cae6dac33b0773453b5560b593f600a3340bbfdebb8e5d2b11e5f69567b11ef126c78171fb5c7c7d546935eafb9381087386da344a41561efdd64c17906c2164c29cb8abd47f66ca437a474cf", 0x66}, {&(0x7f00000002c0)="7e86fb2e4ceb9e14300fee6a141046f4f761ddfee1a239adbc9c393f69ef4f5f5095411d9daedd02953413cdc5617de9b9169ff8c1a237fa7aba0ce7fdb3b98a60d1b3f000673aa9aa9e44e8add3346d982ef2a90b1f5b4a14b31efed69d96c5c29ec4a7384f84bc9b716bf587638dbacd7e35429d71849731391e4c0a5bf768998027d7ae5fcc489facb710478e292cd276cd5179fbdfbf3f54c3c389456c6a680300b78b55da81d96a198a2d51ded197c7db9f7eb225bce21e88119ba2e6ccdd50fcd211e1a51903f48b5bd116672f640e8d5fdfb2c5b4b0fde5efa15ba677e0", 0xe1}], 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="736f757263653d8328252c736d61636b6673745b616e736d7574653d2d2c00"]) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:21 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x60000, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:21 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6b6b6b00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x10, 0x4, 0x4, 0x8}, 0x3c) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000040), 0xc) r2 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/binder/failed_transaction_log\x00', 0x0, 0x0) ioctl$TCSBRKP(r2, 0x5425, 0x3) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0x0, 0x2, 0x18}, 0xc) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$VT_RESIZEX(r3, 0x560a, &(0x7f0000000140)={0x42b, 0xfff7, 0x8, 0x1f, 0xfff, 0x4}) 08:20:21 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) recvfrom$unix(0xffffffffffffffff, &(0x7f0000000140)=""/172, 0xac, 0x0, &(0x7f0000000200)=@abs={0x1, 0x0, 0x4e20}, 0x6e) [ 257.286933] block nbd4: shutting down sockets [ 257.301606] FAT-fs (loop2): bogus number of reserved sectors [ 257.317934] block nbd4: shutting down sockets [ 257.335249] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$EVIOCGID(r0, 0x80084502, &(0x7f00000000c0)=""/74) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:21 executing program 0: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 257.429414] FAT-fs (loop2): bogus number of reserved sectors [ 257.443420] FAT-fs (loop2): Can't find a valid FAT filesystem [ 257.483795] block nbd4: shutting down sockets 08:20:21 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x100000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 257.512036] block nbd4: shutting down sockets 08:20:21 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040)='batadv\x00') r4 = socket$inet(0x2, 0x3, 0x2) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r4, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_DAT_CACHE(r2, &(0x7f0000000600)={0x0, 0x36, &(0x7f00000005c0)={&(0x7f00000003c0)={0x1c, r3, 0x31905e13403123b7, 0x0, 0x0, {0xb, 0x0, 0xf000}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r5}]}, 0x1c}, 0x1, 0x50000}, 0x0) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, r3, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x7}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x4fdb}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x80) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4622, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) setsockopt$netlink_NETLINK_CAP_ACK(r6, 0x10e, 0xa, &(0x7f0000000080)=0x2, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = dup(r8) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r7, 0x8933, &(0x7f0000000240)={'batadv_slave_1\x00'}) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:21 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) 08:20:21 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 257.680774] FAT-fs (loop2): bogus number of reserved sectors [ 257.713372] FAT-fs (loop2): Can't find a valid FAT filesystem [ 257.786188] FAT-fs (loop2): bogus number of reserved sectors [ 257.796611] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:22 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xffffffffffffffff, &(0x7f0000000100)=[{0x0, 0x0, 0x200}], 0x0, 0x0) 08:20:22 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x104000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x2101) r1 = socket$inet_udp(0x2, 0x2, 0x0) fstat(r1, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) setsockopt$inet_mreq(r3, 0x0, 0x24, &(0x7f0000000300)={@initdev={0xac, 0x1e, 0x1, 0x0}, @empty}, 0x8) setuid(r2) r4 = socket$inet_udp(0x2, 0x2, 0x0) fstat(r4, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000040)='./file0\x00', 0x3, 0x2, &(0x7f0000000200)=[{&(0x7f00000000c0)="e22d553ebc22628864c8e78589e80b2e4302bce0da7ddc46ab9541d81dba721cdcc58bce69ce5ab31b551a51409b519291d6d27185d74cbc2d08e897637475e04e09bb41097fab12016dc50791981166c460f1e49bca898b435c78648c661316232ce785bd4aa5f14d80e421b729161095d5c0bfc6ed503fbe5e648cdd1c49a0d02cd6f6becaed4a4e1d1e701ef6be102deeebf4aeb20d77", 0x98, 0x2}, {&(0x7f0000000180)="59d2e634e367c6a2ff8c58ab0ad9d7c4d24eac954fdcc1e3200d5a72b723db88273b8c100744c14eada26e7172132e52305b53e326e1e941f5283b8500b25c69ba6352287eb41b0ae7453ab581a2c7bc30634cff084456f8bec7f7d9aa96efc9972ec3a0eba077307df0326a8d171f5a8decf359f185e8258ac04fbac32b", 0x7e, 0x200}], 0x880000, &(0x7f0000000340)=ANY=[@ANYBLOB="72657363616e5f757569645f747265652c6461746173756d2c61756469742c7375626a5f747970653d2f7e65762f6e626423002c736d61636b66737472616e736d7574653d2c666f776e65723ddf3d5c0bfd0fe6a35aef2387f8b42b44a8d255c3ac825f2879a0f192b179d2b5cb3ba1b47723d4fcba522035050fa7a7f1de13378c29eed9", @ANYRESDEC=r2, @ANYBLOB=',measure,dont_hash,dont_appraise,fowner>', @ANYRESDEC=r5, @ANYBLOB=',\x00']) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) 08:20:22 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) recvmsg(r4, &(0x7f0000000040)={&(0x7f0000000180)=@nl=@proc, 0x80, 0x0}, 0x12160) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) setsockopt$inet6_mtu(r2, 0x29, 0x17, &(0x7f0000000140)=0x1, 0x4) sendmmsg(r5, 0x0, 0x0, 0x0) r6 = socket$rds(0x15, 0x5, 0x0) fcntl$setlease(r6, 0x400, 0x0) getsockopt$inet6_buf(r5, 0x29, 0x32, &(0x7f0000000380)=""/4096, &(0x7f0000000080)=0x1000) 08:20:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) setregid(0x0, 0x0) setgid(0x0) r2 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setregid(0x0, r3) setgid(r3) r4 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setregid(0x0, r5) setgid(r5) r6 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setregid(0x0, r7) setgid(r7) setxattr$system_posix_acl(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='system.posix_acl_access\x00', &(0x7f0000000200)={{}, {0x1, 0x4}, [{0x2, 0x4}, {0x2, 0x2}, {0x2, 0x6}, {0x2, 0x3}, {0x2, 0x4}, {0x2, 0x5}, {0x2, 0x3}, {0x2, 0x5}, {0x2, 0x1}], {0x4, 0x4}, [{0x8, 0x4}, {0x8, 0x1}, {0x8, 0x2}, {0x8, 0x7}, {0x8, 0x5, r3}, {0x8, 0x0, r5}, {0x8, 0x4, r7}], {0x10, 0x7}}, 0xa4, 0x2) [ 258.341000] FAT-fs (loop2): bogus number of reserved sectors [ 258.375829] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r4, 0x4008ae89, &(0x7f00000000c0)={0x7b, 0x0, [0x277, 0x4b564d03]}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socket$nl_crypto(0x10, 0x3, 0x15) [ 258.402786] block nbd0: Receive control failed (result -107) [ 258.412282] block nbd0: shutting down sockets [ 258.458774] block nbd0: Receive control failed (result -107) [ 258.499312] block nbd0: shutting down sockets 08:20:22 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x200000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 258.534470] block nbd4: shutting down sockets 08:20:22 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) fsetxattr$trusted_overlay_opaque(r1, &(0x7f00000001c0)='trusted.overlay.opaque\x00', &(0x7f0000000180)='y\x00', 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @local}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$KVM_S390_VCPU_FAULT(0xffffffffffffffff, 0x4008ae52, &(0x7f0000000140)=0x5474) r5 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) ioctl$sock_SIOCOUTQNSD(r6, 0x894b, &(0x7f0000000040)) recvmsg(r0, &(0x7f0000000080)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x40000000) 08:20:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet6_opts(r1, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 258.586697] block nbd4: shutting down sockets [ 258.652286] FAT-fs (loop2): bogus number of reserved sectors [ 258.673835] FAT-fs (loop2): Can't find a valid FAT filesystem [ 258.709013] block nbd0: Receive control failed (result -107) [ 258.719642] block nbd0: shutting down sockets [ 258.726780] block nbd0: Could not allocate knbd recv work queue. 08:20:22 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) ioctl$VIDIOC_ENCODER_CMD(0xffffffffffffffff, 0xc028564d, &(0x7f0000000080)={0x3, 0x0, [0xa54, 0x0, 0x0, 0x0, 0x5, 0x1, 0xd0, 0x3]}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:22 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x204000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 258.754028] block nbd0: shutting down sockets [ 258.896325] FAT-fs (loop2): bogus number of reserved sectors [ 258.916788] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:22 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x300000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:23 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x2, 0x200}], 0x0, 0x0) 08:20:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) getpeername$packet(r3, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r1, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r4}) setsockopt$packet_drop_memb(0xffffffffffffffff, 0x107, 0x2, &(0x7f00000001c0)={r4, 0x1, 0x6}, 0x10) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) ioctl$SCSI_IOCTL_GET_BUS_NUMBER(r5, 0x5386, &(0x7f0000000080)) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r7, 0x0, 0x0, 0x0) getsockopt$EBT_SO_GET_ENTRIES(r7, 0x0, 0x81, &(0x7f0000000200)={'broute\x00', 0x0, 0x3, 0x0, [], 0x6, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}], &(0x7f00000001c0)}, &(0x7f0000000280)=0x78) r8 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000600)='nl80211\x00') sendmsg$NL80211_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x20, r2, 0xb0343aabd1184b87, 0x0, 0x0, {}, [@NL80211_ATTR_WDEV={0xc}]}, 0x20}}, 0x0) sendmsg$NL80211_CMD_GET_WIPHY(r1, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, r2, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0xb4200000, 0x4}}]}, 0x20}, 0x1, 0x0, 0x0, 0x400c880}, 0x80) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x44480, 0x0) ioctl$TIOCGSERIAL(r4, 0x541e, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=""/220}) 08:20:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) accept$phonet_pipe(r2, 0x0, &(0x7f0000000000)) r3 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r3, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000040)={r4}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f00000000c0)={r4, 0x5, 0x8, 0x2}, &(0x7f0000000100)=0x10) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000140)=@assoc_value={r5, 0x4}, &(0x7f0000000180)=0x8) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 259.210219] FAT-fs (loop2): bogus number of reserved sectors [ 259.237128] FAT-fs (loop2): Can't find a valid FAT filesystem [ 259.339513] FAT-fs (loop2): bogus number of reserved sectors [ 259.363471] FAT-fs (loop2): Can't find a valid FAT filesystem [ 259.364590] EXT4-fs (loop1): unable to read superblock [ 259.391484] block nbd0: Receive control failed (result -107) [ 259.404745] block nbd0: shutting down sockets 08:20:23 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x304000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000180)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000140)={0xffffffffffffffff}, 0x111, 0x1}}, 0x20) r5 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000200)='/dev/nvme-fabrics\x00', 0x40, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000280)={r5, 0x28, &(0x7f0000000240)}, 0x10) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r3, &(0x7f00000001c0)={0x10, 0x30, 0xfa00, {&(0x7f0000000080), 0x2, {0xa, 0x4e23, 0xffffff03, @dev={0xfe, 0x80, [], 0x19}, 0xee1}, r4}}, 0x38) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0, 0x2d}, 0x12160) [ 259.433783] block nbd0: Receive control failed (result -107) [ 259.437680] block nbd0: shutting down sockets [ 259.469817] EXT4-fs (loop1): unable to read superblock 08:20:23 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x3, 0x200}], 0x0, 0x0) [ 259.577457] FAT-fs (loop2): bogus number of reserved sectors [ 259.615461] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:23 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_SET_GSI_ROUTING(r1, 0x4008ae6a, &(0x7f0000000000)=ANY=[@ANYBLOB="01e9aef9d0b00000000100000000000000000000003f00"/56]) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control\x00', 0x200000, 0x0) ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, &(0x7f0000000140)={@hyper}) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) setsockopt$TIPC_GROUP_LEAVE(r5, 0x10f, 0x88) ioctl$SOUND_MIXER_READ_CAPS(r4, 0x80044dfc, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) syz_open_dev$audion(&(0x7f0000000100)='/dev/audio#\x00', 0x4, 0x0) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) setsockopt$inet6_opts(r6, 0x29, 0x3b, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 259.644250] EXT4-fs (loop1): unable to read superblock 08:20:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x1000c00200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:23 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x400000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 259.738981] EXT4-fs (loop1): unable to read superblock [ 259.770244] block nbd0: Receive control failed (result -107) [ 259.783203] block nbd0: shutting down sockets 08:20:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) socket$unix(0x1, 0x1, 0x0) 08:20:23 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x4, 0x200}], 0x0, 0x0) [ 259.797471] FAT-fs (loop2): bogus number of reserved sectors [ 259.810853] FAT-fs (loop2): Can't find a valid FAT filesystem [ 259.834827] block nbd0: Could not allocate knbd recv work queue. 08:20:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) getsockopt$inet6_dccp_buf(r1, 0x21, 0xd, &(0x7f0000000000)=""/110, &(0x7f00000000c0)=0x6e) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 259.882282] block nbd0: shutting down sockets [ 259.893076] FAT-fs (loop2): bogus number of reserved sectors [ 259.907733] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) tee(r0, r1, 0x100000000, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @mcast2}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsa\x00', 0x80000, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) 08:20:23 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x404000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 259.980165] EXT4-fs (loop1): unable to read superblock [ 260.062340] FAT-fs (loop2): bogus number of reserved sectors [ 260.076143] block nbd0: Receive control failed (result -107) [ 260.083107] block nbd0: shutting down sockets [ 260.094075] block nbd0: Could not allocate knbd recv work queue. [ 260.106666] EXT4-fs (loop1): unable to read superblock 08:20:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x85a8d64eba5ed6d3, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$SNDCTL_DSP_GETOSPACE(r3, 0x8010500c, &(0x7f00000000c0)) write$P9_RATTACH(r2, &(0x7f0000000040)={0x14, 0x69, 0x2, {0x4, 0x0, 0x6}}, 0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:24 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$VIDIOC_G_EXT_CTRLS(r1, 0xc0205647, &(0x7f00000001c0)={0xfffffff, 0x7f, 0x1, r2, 0x0, &(0x7f0000000180)={0x990a96, 0x80000000, [], @p_u16=&(0x7f0000000140)=0x7ff}}) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0xfffffffc) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) sigaltstack(&(0x7f0000ffc000/0x2000)=nil, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) 08:20:24 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x5, 0x200}], 0x0, 0x0) [ 260.125854] block nbd4: shutting down sockets [ 260.134096] FAT-fs (loop2): Can't find a valid FAT filesystem [ 260.145020] block nbd0: shutting down sockets [ 260.155936] block nbd4: shutting down sockets [ 260.244236] FAT-fs (loop2): bogus number of reserved sectors [ 260.264516] FAT-fs (loop2): Can't find a valid FAT filesystem [ 260.306372] block nbd4: shutting down sockets 08:20:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x2000, 0x0) ioctl$DRM_IOCTL_SET_UNIQUE(r2, 0x40106410, &(0x7f0000000180)={0xb0, &(0x7f00000000c0)="3d3e64231400d8a4c0a37cafe9e30b49f74a3bb3bf37760f8af3bafcdf40160bc3f867bf41fcfb1d47ae658594bbac0a301f037af32b174a037b805380a33b365cb04b902bb5a1da848e5f3775ec411f7158c8d693d6f190bd3f74fdde375d9c4b096b8859297d268724e5be7563f5a4d237315987bd14d50820e419066bd50a37ad1d388665260cc424d629213e91ecbcfdaf76a5e46f6cd7b08449d3b8367acd9ed74817f71200a95bbfe514901bb9"}) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$TUNSETVNETHDRSZ(r3, 0x400454d8, &(0x7f0000000040)=0xa8a) ioctl$TUNSETLINK(r2, 0x400454cd, 0x307) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) dup2(0xffffffffffffffff, r1) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) ioctl$SCSI_IOCTL_BENCHMARK_COMMAND(r4, 0x3) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) getsockopt$IP_VS_SO_GET_SERVICES(r3, 0x0, 0x482, &(0x7f00000000c0)=""/215, &(0x7f0000000000)=0xd7) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:24 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x500000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:24 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0xcb, &(0x7f0000000000)=0x81, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e24}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x2) [ 260.359532] EXT4-fs (loop1): unable to read superblock [ 260.436569] EXT4-fs (loop1): unable to read superblock [ 260.476601] QAT: Invalid ioctl 08:20:24 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6, 0x200}], 0x0, 0x0) [ 260.520796] block nbd0: Receive control failed (result -107) [ 260.526736] FAT-fs (loop2): bogus number of reserved sectors [ 260.527587] block nbd0: shutting down sockets [ 260.542923] block nbd0: Could not allocate knbd recv work queue. [ 260.552681] FAT-fs (loop2): Can't find a valid FAT filesystem [ 260.552695] QAT: Invalid ioctl [ 260.559979] block nbd0: shutting down sockets [ 260.572139] block nbd4: shutting down sockets [ 260.590523] QAT: Invalid ioctl [ 260.598812] block nbd4: shutting down sockets [ 260.599786] QAT: Invalid ioctl 08:20:24 executing program 3: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) setsockopt$RDS_CANCEL_SENT_TO(r1, 0x114, 0x1, &(0x7f0000000240)={0x2, 0x4e22, @local}, 0x10) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000140)='l2tp\x00') sendmsg$L2TP_CMD_SESSION_DELETE(r2, &(0x7f0000000940)={0x0, 0x0, &(0x7f0000000900)={&(0x7f0000000880)={0x1c, r3, 0x1, 0x0, 0x0, {0x3}, [@L2TP_ATTR_CONN_ID={0x8}]}, 0x1c}}, 0x0) sendmsg$L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="54000000383fa9dda9b5e340e1d462cdb49f479473b487c62759309ebc76269006df390ad76b975459b03cce179ad15aa9649e6a2de51182d699443e5caf44e8cc1cd47fc6c548c8b9d4e40e50d065", @ANYRES16=r3, @ANYBLOB="00022cbd7000fddbdf25010000000c000f00090000000000000005000600ff00000006001d00d4f700000c000f00f78800000000000008000b000400000008001900ac14142606001d002e000000"], 0x54}}, 0x0) r4 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r4, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) ioctl$sock_inet_SIOCGIFPFLAGS(0xffffffffffffffff, 0x8935, &(0x7f0000000180)={'team_slave_1\x00', 0x800}) setsockopt$inet6_int(r4, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r4, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) accept4$unix(r1, &(0x7f0000000280)=@abs, &(0x7f0000000380)=0x6e, 0x0) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) recvmsg(r4, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 260.628870] FAT-fs (loop2): bogus number of reserved sectors [ 260.640628] FAT-fs (loop2): Can't find a valid FAT filesystem [ 260.653346] EXT4-fs (loop1): unable to read superblock 08:20:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x4000810) write$FUSE_NOTIFY_DELETE(r1, &(0x7f0000000000)={0x35, 0x6, 0x0, {0x2, 0x2, 0xc, 0x0, '#}@%!:-\\-/])'}}, 0x35) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$TIOCNXCL(r2, 0x540d) r3 = openat$nvram(0xffffffffffffff9c, 0xffffffffffffffff, 0x42080, 0x0) ioctl$VIDIOC_ENUM_FMT(r3, 0xc0405602, &(0x7f0000000040)={0x9e5, 0xa, 0x1, "95588a55424c3b02ac528237cf07402f8eed64c1fddcbde251740493c7e7829d", 0x30314752}) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) [ 260.707713] EXT4-fs (loop1): unable to read superblock 08:20:24 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x7, 0x200}], 0x0, 0x0) 08:20:24 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x504000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:24 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) fchdir(r1) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) fsync(r3) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 260.803743] block nbd4: shutting down sockets [ 260.832194] block nbd4: shutting down sockets 08:20:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xf, 0x2, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x400000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) setsockopt$CAN_RAW_LOOPBACK(r1, 0x65, 0x3, &(0x7f0000000000)=0x1, 0x4) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$IP_VS_SO_SET_DEL(r2, 0x0, 0x484, &(0x7f0000000040)={0x3c, @multicast2, 0x4e22, 0x0, 'dh\x00', 0x22, 0x8, 0x3}, 0x2c) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r4, 0xc02064b2, &(0x7f00000000c0)={0x9, 0x7, 0x7fffffff, 0x1, 0x0}) ioctl$DRM_IOCTL_MODE_MAP_DUMB(r3, 0xc01064b3, &(0x7f0000000100)={r5}) [ 260.876073] EXT4-fs (loop1): unable to read superblock 08:20:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) umount2(&(0x7f00000001c0)='./file0\x00', 0x0) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000200)='/dev/full\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)=0x2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$sock_SIOCOUTQNSD(r3, 0x894b, &(0x7f0000000180)) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) ioctl$KVM_SET_MSRS(r5, 0x4008ae89, &(0x7f00000000c0)={0x8, 0x0, [{0x26d, 0x0, 0x2a3}, {0xacb, 0x0, 0x401}, {0x1de, 0x0, 0x7}, {0xda0, 0x0, 0xffffffff}, {0x211, 0x0, 0xfff}, {0x2bc, 0x0, 0x1e17}, {0x2c1, 0x0, 0xffff}, {0x868, 0x0, 0x8}]}) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(0xffffffffffffffff, 0x10e, 0x8, &(0x7f0000000000)=0x1, 0x4) [ 260.961510] EXT4-fs (loop1): unable to read superblock [ 260.963736] FAT-fs (loop2): bogus number of reserved sectors [ 260.987273] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:24 executing program 3: setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$rtc(0xffffffffffffff9c, &(0x7f0000000180)='/dev/rtc0\x00', 0x102, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r2, 0x29, 0x37, &(0x7f0000000580)=ANY=[@ANYBLOB="f03b9adf5733ef64"], 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000040)={r3}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f00000001c0)={r3, 0x7fff, 0x7, 0x2}, 0x10) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000003c0)={&(0x7f0000000380)=')!,\'\x00', r4}, 0x10) recvmsg(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) fgetxattr(r5, &(0x7f0000000200)=@known='trusted.syz\x00', &(0x7f0000000240)=""/71, 0x47) syz_genetlink_get_family_id$ethtool(&(0x7f00000002c0)='ethtool\x00') 08:20:24 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x22, 0x200}], 0x0, 0x0) [ 261.087310] FAT-fs (loop2): bogus number of reserved sectors [ 261.098702] FAT-fs (loop2): Can't find a valid FAT filesystem [ 261.136401] block nbd5: shutting down sockets 08:20:24 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x600000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 261.166612] block nbd5: shutting down sockets 08:20:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 261.227669] EXT4-fs (loop1): unable to read superblock [ 261.286479] block nbd5: shutting down sockets [ 261.324117] block nbd5: shutting down sockets [ 261.330239] FAT-fs (loop2): bogus number of reserved sectors [ 261.336750] EXT4-fs (loop1): unable to read superblock [ 261.353816] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:25 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x2c, 0x200}], 0x0, 0x0) [ 261.435278] FAT-fs (loop2): bogus number of reserved sectors [ 261.444720] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ocfs2_control\x00', 0x2800, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = socket$inet6_udp(0xa, 0x2, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) getsockname(r4, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @loopback}}}, &(0x7f00000001c0)=0x80) ioctl$FIDEDUPERANGE(0xffffffffffffffff, 0xc0189436, &(0x7f0000000340)=ANY=[@ANYBLOB="660f0000000000000d1e000000000000030000ff902bbfabd10000000000", @ANYRES32, @ANYBLOB="00000000ffff00"/28, @ANYRES32, @ANYBLOB="0000000000000100"/28, @ANYRES32=r5, @ANYBLOB="000000000800000000000000000010f039fc5bedf454e4577e7821f2"]) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) setsockopt$PNPIPE_HANDLE(r6, 0x113, 0x3, &(0x7f0000000100)=0x7fff, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = dup(r7) getpeername$packet(r8, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r3, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r9}) ioctl$sock_inet6_SIOCADDRT(r2, 0x890b, &(0x7f0000000240)={@local, @dev={0xfe, 0x80, [], 0x15}, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0xff9, 0x1, 0x4, 0x100, 0x10000, 0x2, r9}) 08:20:25 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x604000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 261.543193] EXT4-fs (loop1): unable to read superblock [ 261.589001] EXT4-fs (loop1): unable to read superblock [ 261.595417] block nbd5: Receive control failed (result -107) [ 261.606411] block nbd5: shutting down sockets [ 261.624989] block nbd5: Receive control failed (result -107) 08:20:25 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x48, 0x200}], 0x0, 0x0) [ 261.679535] block nbd5: shutting down sockets [ 261.682797] FAT-fs (loop2): bogus number of reserved sectors [ 261.715723] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x14200, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = dup3(r4, r3, 0x80000) ioctl$NBD_SET_SOCK(r5, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 261.768361] FAT-fs (loop2): bogus number of reserved sectors [ 261.783102] EXT4-fs (loop1): unable to read superblock [ 261.792371] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:25 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x700000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 261.908123] EXT4-fs (loop1): unable to read superblock 08:20:25 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$sock_netrom_SIOCADDRT(r2, 0x890b, &(0x7f0000000140)={0x1, @default, @bpq0='bpq0\x00', 0x5, 'syz1\x00', @bcast, 0x2, 0x5, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null]}) fanotify_init(0x40, 0x2) r3 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:25 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x4c, 0x200}], 0x0, 0x0) [ 261.973435] FAT-fs (loop2): bogus number of reserved sectors [ 261.988524] FAT-fs (loop2): Can't find a valid FAT filesystem [ 262.042385] FAT-fs (loop2): bogus number of reserved sectors [ 262.050794] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:25 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x704000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 262.117429] EXT4-fs (loop1): unable to read superblock 08:20:25 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 262.175302] EXT4-fs (loop1): unable to read superblock 08:20:26 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x60, 0x200}], 0x0, 0x0) 08:20:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$VIDIOC_DBG_S_REGISTER(r3, 0x4038564f, &(0x7f0000000080)={{0x2, @addr=0x1}, 0x8, 0x7}) [ 262.233213] FAT-fs (loop2): bogus number of reserved sectors [ 262.254547] FAT-fs (loop2): Can't find a valid FAT filesystem [ 262.356691] FAT-fs (loop2): bogus number of reserved sectors [ 262.357347] EXT4-fs (loop1): unable to read superblock [ 262.364936] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock\x00', 0x7d1842, 0x0) mq_getsetattr(r1, &(0x7f0000000140)={0x5347, 0x7, 0x1ff, 0x6}, &(0x7f0000000180)) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 262.463026] EXT4-fs (loop1): unable to read superblock 08:20:26 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x804000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:26 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x68, 0x200}], 0x0, 0x0) 08:20:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$SIOCX25GFACILITIES(r2, 0x89e2, &(0x7f0000000080)) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 262.596260] FAT-fs (loop2): bogus number of reserved sectors [ 262.605871] FAT-fs (loop2): Can't find a valid FAT filesystem [ 262.620726] EXT4-fs (loop1): unable to read superblock 08:20:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 262.724279] EXT4-fs (loop1): unable to read superblock [ 262.731052] FAT-fs (loop2): bogus number of reserved sectors [ 262.738870] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:26 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6c, 0x200}], 0x0, 0x0) 08:20:26 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x8a7030000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) setsockopt$inet6_IPV6_RTHDRDSTOPTS(r2, 0x29, 0x37, &(0x7f0000000140)={0x29, 0x8, [], [@enc_lim={0x4, 0x1, 0xff}, @hao={0xc9, 0x10, @empty}, @pad1, @generic={0x5, 0x16, "a87b11eb948149043c20b39cc8dc37db6be601fad5a4"}, @hao={0xc9, 0x10, @loopback}]}, 0x50) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 262.907903] EXT4-fs (loop1): unable to read superblock [ 262.979203] EXT4-fs (loop1): unable to read superblock [ 262.985894] FAT-fs (loop2): bogus number of reserved sectors [ 262.996847] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) setsockopt$inet6_int(r1, 0x29, 0x5, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket(0x2a, 0x3, 0x81) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x29442, 0x0) r6 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-monitor\x00', 0x40, 0x0) sendmmsg(r6, 0x0, 0x0, 0x20004105) ioctl$sock_netdev_private(r5, 0x89f8, &(0x7f0000000240)="26fa2d30744f1cabbfd5429e3df81075478ffdfde5a9a3e2f1a5aee9a2e2534ce1af4fe8d40efa5d63d1c068bf1cf4d8ff9bbbd4d0595d4994ecc5a586b1dc89719746f25445f5841ddb3280013823afab76cbb842463b7f4da13869aa60d40bcd58029405") accept4$bt_l2cap(r4, &(0x7f00000001c0), &(0x7f0000000200)=0xe, 0x80800) flock(r4, 0x1) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:26 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x74, 0x200}], 0x0, 0x0) 08:20:26 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x900000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 263.176989] EXT4-fs (loop1): unable to read superblock 08:20:27 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) write$FUSE_INIT(r2, &(0x7f0000000140)={0x50, 0x0, 0x3, {0x7, 0x1f, 0x1ff, 0x100803a, 0x2, 0x657f, 0x9}}, 0x50) r3 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) sendmsg$nl_netfilter(r2, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000380)={0x1f8, 0x2, 0x1, 0x201, 0x70bd2a, 0x25dfdbfb, {0x0, 0x0, 0x9}, [@nested={0x1a7, 0x5b, 0x0, 0x1, [@generic="ad0535cbb1c747340040234a8712eecfef23159699b81be5d8c0287b198001a361e6fa05282069ac86b454e0adf6b698b4b0d6c6a35128267e7267bbe6db8ce9040c17e014607982a1d4c3c32d4f7771ccfce856e930264228b4b16401e929592e5ee088bdb8d2000281208be1a5b57c2817d07f522b49340c42e7896a35311635d140f7bbb21a4eb9f105bd392ecaf1f08fd4c1e007ccdc874ee1d442fc593d13e9e7bd62656f319b7fa03c338dd49a4144202662d76edcfa", @typed={0x5, 0x67, 0x0, 0x0, @str='\x00'}, @generic="d625797ca0dfe78c186f8861ec713a8643df82978b6dabda74ea34468b479d6072f72f6573374435de9290cc9dcd4523d07631c95c45bc07c4579356c0c521e4e287c6c89a4a2797f0cd4b95b47b02e34f7b35aaef6368e2fe3d36146ddd6e100c348d475ae3b44832af8ef573dbdf", @typed={0x8, 0x22, 0x0, 0x0, @ipv4=@local}, @generic="a98adfcad0ffa88344222bb3bcf2d9812d79c67bec907b75c510459e6f48b6213a7f2a181972d03fd154c3b34cf7fe2f79598520f54748ca170b461346c2863e19893c3f9645469e935ddb9522622b446a2692a57dac60bae9e8c0060a09267113eb5c8dff094bf8f87959"]}, @generic="fea07d2f877cee2ba07ebbd107a082b3c3c0dbc0097cae16858fea7e834e8fa44b4bb1da6235ed7f032b973932ac029ac06476b4d774641b3d362f"]}, 0x1f8}, 0x1, 0x0, 0x0, 0x4040804}, 0x40000000) 08:20:27 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x7a, 0x200}], 0x0, 0x0) [ 263.227051] FAT-fs (loop2): bogus number of reserved sectors [ 263.246219] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:27 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x904000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:27 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x21, &(0x7f0000000100)=0xfff, 0xb4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000080), &(0x7f0000000140)=0x4) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000180)='/dev/snapshot\x00', 0x20a080, 0x0) sendmsg$NFT_MSG_GETOBJ(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB="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"], 0x40}, 0x1, 0x0, 0x0, 0xc000}, 0x8001) [ 263.387862] EXT4-fs (loop1): unable to read superblock [ 263.436210] FAT-fs (loop2): bogus number of reserved sectors [ 263.447158] FAT-fs (loop2): Can't find a valid FAT filesystem [ 263.457083] EXT4-fs (loop1): unable to read superblock 08:20:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet6_opts(r1, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:27 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x300, 0x200}], 0x0, 0x0) 08:20:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet6_opts(r1, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 263.567728] FAT-fs (loop2): bogus number of reserved sectors [ 263.574761] FAT-fs (loop2): Can't find a valid FAT filesystem [ 263.595738] block nbd3: Receive control failed (result -107) [ 263.603660] block nbd3: shutting down sockets [ 263.659056] EXT4-fs (loop1): unable to read superblock [ 263.710369] EXT4-fs (loop1): unable to read superblock [ 263.736339] block nbd3: Receive control failed (result -107) [ 263.746083] block nbd3: shutting down sockets 08:20:27 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xa04000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet6_opts(r1, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:27 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x3d7, 0x200}], 0x0, 0x0) [ 263.871082] EXT4-fs (loop1): unable to read superblock [ 263.892055] block nbd3: Receive control failed (result -107) [ 263.912959] FAT-fs (loop2): bogus number of reserved sectors [ 263.922442] FAT-fs (loop2): Can't find a valid FAT filesystem [ 263.923201] EXT4-fs (loop1): unable to read superblock [ 263.963688] block nbd3: shutting down sockets 08:20:27 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xb04000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:27 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x3d8, 0x200}], 0x0, 0x0) [ 264.077191] block nbd3: Receive control failed (result -107) [ 264.080676] FAT-fs (loop2): bogus number of reserved sectors [ 264.084402] block nbd3: shutting down sockets [ 264.098571] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:27 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 264.168769] EXT4-fs (loop1): unable to read superblock [ 264.171646] FAT-fs (loop2): bogus number of reserved sectors 08:20:28 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x3d9, 0x200}], 0x0, 0x0) [ 264.222445] FAT-fs (loop2): Can't find a valid FAT filesystem [ 264.272750] block nbd3: Receive control failed (result -107) [ 264.284014] block nbd3: shutting down sockets [ 264.331773] EXT4-fs (loop1): unable to read superblock 08:20:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:28 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x1f00000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 264.377975] EXT4-fs (loop1): unable to read superblock 08:20:28 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x3da, 0x200}], 0x0, 0x0) 08:20:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) socket(0x2, 0x1, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 264.483969] block nbd3: Receive control failed (result -107) [ 264.490704] block nbd3: shutting down sockets [ 264.495964] FAT-fs (loop2): bogus number of reserved sectors [ 264.508183] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) socket(0x2, 0x1, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:28 executing program 4: r0 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000280)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_ADD_ADDR(0xffffffffffffffff, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x20, r0, 0x1, 0x0, 0x0, {0x3}, [@MPTCP_PM_ATTR_ADDR={0xc, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5}]}]}, 0x20}}, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = dup(0xffffffffffffffff) getpeername$packet(r2, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r1, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r3}) r4 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) getpeername$packet(r6, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r4, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r7}) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000001c0)={{{@in6=@ipv4={[], [], @private}, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @broadcast}}}}, &(0x7f00000002c0)=0xe8) sendmsg$MPTCP_PM_CMD_DEL_ADDR(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x130, r0, 0x518, 0x70bd2c, 0x25dfdbfe, {}, [@MPTCP_PM_ATTR_ADDR={0x1c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r3}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @multicast2}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @local}]}, @MPTCP_PM_ATTR_ADDR={0x48, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x7}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x2}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e24}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x9}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @private0}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x6}]}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x6}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x4}, @MPTCP_PM_ATTR_ADDR={0x54, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x6}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @private0={0xfc, 0x0, [], 0x1}}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x1}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x9}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e21}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r7}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @mcast1}]}, @MPTCP_PM_ATTR_ADDR={0x38, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e22}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x4}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @private0={0xfc, 0x0, [], 0x1}}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x80}]}, @MPTCP_PM_ATTR_ADDR={0x14, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8, 0x7, r8}]}]}, 0x130}}, 0x8000) r9 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r10 = socket(0x2, 0x1, 0x0) r11 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r11, 0xc00464af, &(0x7f0000000040)) setsockopt$inet6_icmp_ICMP_FILTER(r11, 0x1, 0x1, &(0x7f0000000000)={0xc4e9}, 0x4) ioctl$NBD_SET_SOCK(r9, 0xab00, r10) [ 264.600278] FAT-fs (loop2): bogus number of reserved sectors [ 264.606326] FAT-fs (loop2): Can't find a valid FAT filesystem [ 264.613291] EXT4-fs (loop1): unable to read superblock 08:20:28 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x2000000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 264.734173] EXT4-fs (loop1): unable to read superblock [ 264.735521] block nbd4: shutting down sockets 08:20:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) socket(0x2, 0x1, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:28 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x500, 0x200}], 0x0, 0x0) [ 264.820912] block nbd4: shutting down sockets [ 264.857902] FAT-fs (loop2): bogus number of reserved sectors [ 264.876100] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet6(0xa, 0x2, 0x0) fstat(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) setreuid(0x0, r3) r4 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) shmctl$SHM_LOCK(r4, 0xb) setsockopt$inet6_opts(r2, 0x29, 0x0, 0x0, 0x4d) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) r6 = socket$l2tp6(0xa, 0x2, 0x73) dup3(r5, r6, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r7 = socket$inet6(0xa, 0x2, 0x0) r8 = creat(&(0x7f0000000000)='./bus\x00', 0x108) ftruncate(r8, 0x0) dup2(r7, r8) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0)='NLBL_UNLBL\x00') [ 264.944131] EXT4-fs (loop1): unable to read superblock [ 264.962049] FAT-fs (loop2): bogus number of reserved sectors [ 264.972064] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:28 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r1, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r2 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r1) r3 = request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r4 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r4, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_MOVE(0x1e, r2, r3, r4, 0x0) r5 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_NOTIFY(r5, &(0x7f0000000040)={0xf, 0x8, 0xfa00, {0xffffffffffffffff, 0x1a}}, 0x10) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) 08:20:28 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x2200000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 265.029115] EXT4-fs (loop1): unable to read superblock [ 265.055353] block nbd0: shutting down sockets 08:20:28 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x600, 0x200}], 0x0, 0x0) 08:20:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) vmsplice(r2, &(0x7f0000000040)=[{&(0x7f0000000000)="bb3efaf42683490a4afd38d7dc7d68ac", 0x10}, {&(0x7f00000000c0)="d451436825f99cb15f871105a8b0a5ec941c745d38f68b5b1bedc948c455c2d463f371d19d4ade811aabf8587bc3070f95343c3f371346e9d133f66531c413dd5109d11967d6128ea41094896a8f813555c51865bc3fa5fea22943a1a3ff2ed65112a5ac1fd674f6a3b090207a9a19fbb7e72f92caa21c0d3ceb5e4009b19c880515ca7eec680a516212ca046a9115e325f34fa50890a1f9863495ba2f489b1a70978e6a910757c52624343f1414c0ee695e6532a0a315bb314058e7d4d6380dde8775efe403b929daa24d5c55be5cbdec", 0xd1}, {&(0x7f00000001c0)="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", 0x1000}, {&(0x7f00000011c0)="7956832c593b0f8485c5761b2fae34458e3512cca052685562f17d1f69377f7fcad68a17c10c14e4bb876f3107b574cdeebe52b86106b583f3ffbb2bb2df0134b74b40f2cfff1e6ff920187a4efae8a9d15b41d1a7d96ee50d039381894674a7f2f69130c1df7af61d2666bd72a1e8834f8dcd29096c47b6b1e352c66287d96ed0188db68986a4d94e0a714af2dbfb65abbca65c2d602ae6e5ebb39ecc698de3b867ea00b577dc60db9db347d5ad5310f2c8a2fe81f43b7caca1f09faac5", 0xbe}], 0x4, 0x8) ioctl$NBD_DO_IT(r0, 0xab03) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$bt_hci_HCI_DATA_DIR(r3, 0x0, 0x1, &(0x7f0000001280), 0x4) [ 265.153829] block nbd4: shutting down sockets 08:20:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKROSET(r0, 0x125d, &(0x7f0000000000)=0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$UI_SET_ABSBIT(r1, 0x40045567, 0x3) r2 = socket(0x2, 0x4, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) [ 265.181523] FAT-fs (loop2): bogus number of reserved sectors [ 265.212312] EXT4-fs (loop1): unable to read superblock [ 265.225650] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 265.279708] block nbd0: Receive control failed (result -107) [ 265.287147] block nbd0: shutting down sockets [ 265.308237] block nbd0: Receive control failed (result -107) [ 265.311224] block nbd0: shutting down sockets 08:20:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) connect$rxrpc(r2, &(0x7f0000000000)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e23, @rand_addr=0x64010102}}, 0x24) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 265.335644] EXT4-fs (loop1): unable to read superblock [ 265.353531] FAT-fs (loop2): bogus number of reserved sectors [ 265.363533] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:29 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 08:20:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) syz_mount_image$cifs(&(0x7f0000000000)='cifs\x00', &(0x7f0000000040)='./file0\x00', 0x2, 0x1, &(0x7f0000000140)=[{&(0x7f00000000c0)="15d0eff9328de55fff397ec9dbd26bb6870d27c6e90f2b807d860fa5327bc45fd22183565d275972d7af78052a7e99cbcc05b8d8bd1970165a2e55b6fa34eb31ef79ce3ebe26cc", 0x47, 0x1}], 0x10000, &(0x7f0000000180)='/dev/nbd#\x00') r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 265.390707] block nbd3: Receive control failed (result -107) [ 265.403243] block nbd3: shutting down sockets 08:20:29 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x700, 0x200}], 0x0, 0x0) 08:20:29 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x2300000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:29 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 265.500306] CIFS VFS: Malformed UNC in devname. [ 265.535374] block nbd0: Receive control failed (result -107) [ 265.543765] block nbd0: shutting down sockets [ 265.549465] block nbd4: shutting down sockets [ 265.581546] block nbd0: shutting down sockets [ 265.585094] EXT4-fs (loop1): unable to read superblock [ 265.601540] FAT-fs (loop2): bogus number of reserved sectors [ 265.626476] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:29 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 265.659919] EXT4-fs (loop1): unable to read superblock 08:20:29 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x2c00000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) setsockopt$inet6_mtu(r2, 0x29, 0x17, &(0x7f0000000100), 0x4) sendmmsg(r1, 0x0, 0x0, 0x0) fsetxattr$trusted_overlay_origin(r1, &(0x7f0000000000)='trusted.overlay.origin\x00', &(0x7f00000000c0)='y\x00', 0x2, 0x3) prctl$PR_SET_DUMPABLE(0x4, 0x1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x8) r4 = creat(&(0x7f0000000180)='./file0\x00', 0x106) sync_file_range(0xffffffffffffffff, 0x2ee, 0x2, 0x0) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f0000000240)={@empty, @initdev={0xfe, 0x88, [], 0x1, 0x0}, @private1={0xfc, 0x1, [], 0x1}, 0x0, 0x1, 0x0, 0x500, 0x7, 0x24c20082}) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000240)={@private1={0xfc, 0x1, [], 0x1}}, 0x14) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r4, 0x84, 0xc, &(0x7f00000001c0), &(0x7f0000000200)=0x4) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) ioctl$VIDIOC_CROPCAP(r5, 0xc02c563a, &(0x7f0000000140)={0x5, {0x9, 0x4, 0x9, 0x80}, {0x200, 0x7fffffff, 0x3, 0xfffff001}, {0x3, 0x9}}) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 08:20:29 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:29 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x8cc, 0x200}], 0x0, 0x0) 08:20:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) getpeername$packet(r3, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x400, 0x7, 0x24c20082, r4}) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000007100)=[{{&(0x7f00000000c0)=@ax25={{0x3, @default, 0x8}, [@null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null, @bcast, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000140)="32fa524dab06c6cc240e2b08e3a0c9c81f0f695f406c69328387d3bd170f2f0a054b8e54d7cc7abb75f4f3540b73fe2cc03f250f24b4fb3fcb0443f13560068938788c58230b88dea606c9c7d1af7946e7a61e44a0e97efb217ed4c6f4007473e1573730c1d558cad8a6856d0d33dd8b14d809a9d9d7deeeb9409acda5b04e31ae0ae2308c3346b4943d02a7aebc881539beea472fa7f45e3d8623729d6514", 0x9f}, {&(0x7f00000002c0)="79aad038af2e082fe904c3a60d97119ae4a482640fd6b17aefe3a7148b537698267e5fc4996c3fda9aa9688f97aadc134712dc628dc60de6afc6e5f91b463446ed87577ca56fb66d4f9cd6a05d07a7ba28d2ebd98bf6a8b67f37cad62c3ea3e8095d942f9393944b9b391e6305661bbe7f81c0f46d0703319a5dfb9f0d24f9e9d954ca94697654862c2f1c9f6abac8fcea6fab3dc80b01e30bdba407e3c9dadaa591708a50293c28", 0xa8}], 0x2, &(0x7f0000000380)=[{0xb0, 0x117, 0x9d, "96ca6bb07b900e06084ac4cc190a331c012baa2e3ddf5664235e8b448aeb1e766d1ee71b781f632e053e887abb6dac385763819c69f1bcf3c4bfc241c644b59cea1ab41072458fbefd36b0e5a441c2b8e8e102b15e4fbdfb11bae9d4f0a4abd1fced37bc19c0f9a2ff9ea72cf2a09ee1109b7255facb29520cb1ba5e7764bc876cb102f871829a59d6304a457ed9c2744b83249daf740f14525404c4d1124f5e"}, {0x98, 0x1, 0x80000001, "5cb5be6e67f5e8842476de4cadf402298253c800f223a272ef73f50f62cb68c681601fef3fa8ab6904eefcdde3cf3a45e25755f22e5c19788b721367958dbc8e684ad34633033ee59aa244c2aaf7841373da13dc16d1403bd98aba44b7f0b48c9b72325ecb9fad0b7a44b01d6f688a31364b8ebbf0be42ba5e47e5a2f2783658be466112"}, {0x28, 0x100, 0x8, "623d76fb38b07b4999e2a2f32a347f1de3cdcaa5eb"}], 0x170}}, {{&(0x7f0000000500)=@pppol2tpin6={0x18, 0x1, {0x0, r5, 0x1, 0x0, 0x0, 0x4, {0xa, 0x4e21, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x2}}}, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000580)="d60326d2301433427cbf2cba7c525769fb6b9aa4d5d2aca9777f0be159df7bdd4023a42c7933353c3eeda42bf8fa89145fbf8086bb58431d5ff239dd174898be2189b2deb6b78efc253d74001a7f48956eb0c446ed9b82051cd7933367395d4b9cfc0f78ec77722c53c6c2ef93a29a9c8c3209994f095774a8ca54476e069f068da5844b2242cb6b26b7ea510ec241ca32b9d59219ce8f677995195ff28ac56bcd1412d9462ccc078cb4a6076f5f77", 0xaf}, {&(0x7f0000000640)="4040a678c439b1a9f9a37663f9299a4d189e3d99f6c4321e9bada014e720dbe1241910e18d62237321ca47441e4567313ee37fba48e585ed8d9f37605ac2c7836aed59cd3d05f289db1a458287d16267f497bf3580a10ef1a497bc646c36de13e27c365473be8606aa4a31ea713f85748bfed3db10342333ecb719b142fd7aaa14601f3ef3f77e04325ac8e3153e24d2041044b98ff4030333fc95ff299a6f80d870d9", 0xa3}, {&(0x7f0000000700)="d115e120d1176c80518871bee8ec392a320f77321577d4d0a097c838caf8282d8acb2a7e7600539d94feb4a3f32639a1ba27a416bcba89c3a33c1993607597cf30f7ca3ab09f6e4a81e195d62f7b6801ebd54ad8cd5a7faeeff28af126f321ce300e076e0762831ac1df16365008442cff320a1993b50ba5", 0x78}, {&(0x7f0000000780)="157c216931091576f09fce70019966543780a56f49f08cbdf4107a485c2b01d383a529b2cdf8f9c7a17b4d329afda10d243210bef2918dfc0d7911", 0x3b}, {&(0x7f00000007c0)="dcaba4b42f9d0ad3443d3253ac23aff13c5bc71f29cca916454c0c5d9bac9b9b9f196ba127f07371992e256894fbdce01d9e3f949f5cd6c548a91d172e9401a2ae8b314621fa668d67a2973e21afff9d965209840c0aee37fdcf5e72298168ebec2d46919495b1a93df0d111915415f344c4426cff35671a2ff623790014b35c158470fb37449894f405bb5e5578aa4c561acf4bee72bc0da4f7e4b9f834ddfb46278271b28185d87f09b2112ba51cabff6a7768991f7495f2fe9b11a2fe104ccb796640a77decf6537a791f32bb984a17eb5d57478c90e8f36684b3e0", 0xdd}], 0x5, &(0x7f0000000940)=[{0x90, 0x117, 0x200, "d6e515713ddb19b071313f819f003701f39d223e3ee2b39cf6496f9c8b317371733abc82f67be93eabf4d0296ff1dd473bcdff9115556ca8ac8cf01d370f94517be013ccda829926ea0c7660ff396586c357c25f4a0af70dd2a44e60a063ef9f9e00f66897464b67c6c3095732ff5efcaa588d138012895df8cb90f4e24801"}, {0xb8, 0x11, 0x9, "c8b9e596f40a82548ecec008a5e38060f6b36c4c8abe078e3e39856125c9298b2b479bc8f19bbb88efe82a25c6f497bd6643d1efc4c9fc257886666c050f6fabdcb3954fb11e29e6fb46b37337347091c6aa40c071749b653f920e016e6d8c794937149b6a3733a8f65fd464aa4bd3ee17bc87b22d1724222b1b84514529e96f10f9bd2ae1b90bfe84d508fb2e010dd140614d890e0899840d5f02547532bbe02249"}, {0xb8, 0x10b, 0x7b96107, "ddfde5a06091acb83d6666e54dd61217f67c7cda2c200f99d70b15a05d28c2d9b7057028a0b4b3b95e54646d6e3d08cbc436dc5caedc00c1d4ded3143cfa7b04d1974e9564520b205a49ca6f4732b32aa2e2d541eea59cf57f03a5f5e38c2811153a5313bc5d9e7e306eeb5e473983dd36bcfc156aa1ed9b8fe1e710936beb24f1b9ae3e5f2fbd6a888d7f7d2e4b01a2ab9d41a14d37f27d8d647293b296a3055c85f08521c3af7d"}, {0xf8, 0x102, 0x7, "d936e3ea74b0189ca793716aa4d112dd2b1956c88cac5342b5ef34f63945ab24607f97e70f58ff2662abd4b7db6af4e978c7dcf3e5b01b30d47273979a2d46d5544b251faa9795592a7cbbb5da38cd199d1c20c4f7e51562e4461b633e9738c5f14c251371465cf8d6605354e51fffd586688bacf6f5af4949f1b90e99f41839a5715fa2a750db9c9346210b33523b61c20dd01f4f3b7d56d44efe7aa66fd5fb064073ac8ed820eb5f1fdcf0de3f1bbf1ae5d53f217c094cde278f0a763588763a8c794220f64090b9f655540b272b975d60040940ed92f8782d5cfa32ae2e49eb"}, {0x18, 0x10b, 0x7, "8c43cc32a07f"}, {0xa8, 0x1, 0x3, "d3386cbe421ce590a3183e4cbcf6305b36042b59642e63f5ea79b3e99efecd5c9bf5d018aea51cb412507b957e687be3cbb49f887c132449930c88df659267bb4363b71e8a3929e506dae0f7cea30ca7e32861d78695c6c0c085ea2aa45a99e9482e2470e1b40753536ded44eac68f92ee525653c0781f6349369c61e04a1c893cc3f618bd00682196ab7bcab74478f2c7dfda56"}], 0x3b8}}, {{&(0x7f0000000d00)=@in6={0xa, 0x4e24, 0x890, @ipv4={[], [], @empty}, 0x1000}, 0x80, &(0x7f0000001140)=[{&(0x7f0000000d80)="6cba9b66d11f64cb3f87d1adf5ee07d4bc979a4705e4d8f9881fec3b4f52e42e3af89fdb412dfb7e4aa5fd28335e20d05e07f40b3c05ca14cb660db428d7ff04467cdf5001a87c345fc20b55c4bab6e5ae08e26d2f3e8c9b5f2960c0e9bce54ea71256d8432e2249ac381a3e6ade133be7567a9804e2860894d0af913947bfe789c7ec", 0x83}, {&(0x7f0000000e40)="7dd90914fb96c6e46e603dc91d615c3c119aec51f944fd5f48c03d0e0f5aed9484d6cf834659b0db892142b1bd79b135719d87d137cc048e1940019bfb0bd0e000c030fad9fa86cb34fd7ab33f100673a236c3c48c1ed364a7b7df9084dd5b0647c6ab9e29b80f8df426afaab2e8d32490bc", 0x72}, {&(0x7f0000000ec0)="acbd5316b97039fa292bcadeb1caed1f304484a05b495e06c17a4365c0c416e72401db0d07aa420025f3fcd98742d210a54ae946fd68e069ff7de97dd71bdeec1f3367b05b312015c42b8c40486aa0b40b2ecf46d4004cbc52fc", 0x5a}, {&(0x7f0000000f40)="1fbfe2e745a2fad1a4c9edb8ad50bb95e73d51efca5ff16ec5e19ecf1a632562d9662f709275063fd244b67fa245d019010cfe0b8b6cf6ed31757689622587757417a602220ab1a000bc53bff877989505c9ae8d1836cc070259f4a0fe05d2d092c6b3a190b506e2857014b2642ae85a3c859f9367fa5e32efa7b7b01e215b953e9976bdc63a6bbc7a8ed889a413fb819b552b4861371cc54119ba6ae3", 0x9d}, {&(0x7f0000001000)="944fabd09b38efccac447172a9590fba60687343f4ec77869b25404e7d98b8229b917db11f96daf31bc27e6a0ab0e0c7a10e327061c5d126c4aaab22bc9e78", 0x3f}, {&(0x7f0000001040)="4a036d29c39c642b94e3f7a49d2db50ce665fc1fbe4c393a87e7bdc7f448207f81f9145152b38e9cb38d71605ac024f06dd8d64d77b6693f10f39d854a44b4d479a141af8e2c6664bce0fd16e26f08d78e63ceb2456547c650f3846d599c7f0ec127e28a703c6a11c57731de5ae737806c6abcd9ef60a9e32a82fe8413f7be6589984afe847319", 0x87}, {&(0x7f0000001100)="ce204e7f09ad041e80a3f0ed39ff091995ea337d2beb16d8da27e2e8fadbad03229bfa65a9392f3da2359aa98697f034c5b5aee8d3959a", 0x37}], 0x7, 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0x1000}, {&(0x7f0000006f00)="a054275d592396dd94def4b7517469c14826c3838b9053fe10671c0040a6eb461db875270b0f686065a56a6d3a0804bcdacf5b164afad47407bc7ceb2a085cd70d5ab8666da1cbce21bced8c1b5caeb54f235add957b632a10cd66ee697c19d4ca718c185e9ddd4e98cb58bae664d18dbe6f523433ee2138994f2a1e8b495e4de6b94ca11acc5a326de5366194749a605bb3f34d7e28e88a4ff45a9520798a6cfdd7f4a9f128fcdb9e6c3d302c23193fd7ce9f6eb6fca1bc8071aa769557740ba4d6ed4c8525dd88fed42ff21e0bac198b874a9602bf5a087f54ec", 0xdb}, {&(0x7f0000007000)="018583a590d5c2fa2ce0de71e99ac037230f5a2326846042e3d33ba7ec0f54c9fe902659b620836058fe2cd8e45baa8bb0fdd6267906cf12a4bd45aef8b6d2df7e1a071176fa4419e5dc19", 0x4b}], 0x4, &(0x7f00000070c0)}}], 0x7, 0x8004) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x10000, 0x0) r7 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x80100, 0x0) sendmmsg(r7, 0x0, 0x0, 0x0) openat$md(0xffffffffffffff9c, &(0x7f0000000040)='/dev/md0\x00', 0x101042, 0x0) r8 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r8, 0xc00464af, &(0x7f0000000040)) r9 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r9, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_DO_IT(r9, 0xab03) 08:20:29 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 265.806764] FAT-fs (loop2): bogus number of reserved sectors [ 265.832018] EXT4-fs (loop1): unable to read superblock 08:20:29 executing program 3: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) ioctl$UI_SET_PROPBIT(r1, 0x4004556e, 0x7) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x490000, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$IPT_SO_SET_REPLACE(r2, 0x0, 0x40, &(0x7f00000000c0)=@filter={'filter\x00', 0xe, 0x4, 0x4d0, 0xffffffff, 0x110, 0x0, 0x0, 0xffffffff, 0xffffffff, 0x438, 0x438, 0x438, 0xffffffff, 0x4, &(0x7f0000000000), {[{{@uncond, 0x0, 0xd0, 0x110, 0x0, {}, [@common=@ah={{0x30, 'ah\x00'}, {[0x8, 0x6]}}, @common=@addrtype={{0x30, 'addrtype\x00'}, {0x82, 0x802, 0x1}}]}, @common=@inet=@LOG={0x40, 'LOG\x00', 0x0, {0x2, 0x8, "c6c29f28eee97679a14127ac6b2fcfaada3e618e372ff12d785321b37eba"}}}, {{@ip={@remote, @loopback, 0xff, 0x0, 'syz_tun\x00', 'macvtap0\x00', {}, {0xff}, 0x2f, 0x1, 0x20}, 0x0, 0x70, 0x98}, @REJECT={0x28, 'REJECT\x00'}}, {{@uncond, 0x0, 0x230, 0x290, 0x0, {}, [@common=@inet=@policy={{0x158, 'policy\x00'}, {[{@ipv6=@private0={0xfc, 0x0, [], 0x1}, [0xffffffff, 0xffffff00], @ipv6=@private1={0xfc, 0x1, [], 0x1}, [0x0, 0xffffffff, 0x0, 0xff], 0x4d4, 0x3507, 0x3b, 0x0, 0x12, 0x18}, {@ipv4=@local, [0xff, 0x807fff00, 0xffffff], @ipv6=@private0={0xfc, 0x0, [], 0x1}, [0xff000000, 0x0, 0xffffff], 0x4d5, 0x3501, 0x5e, 0x1, 0x8, 0x1}, {@ipv4=@private=0xa010101, [0xff000000, 0x0, 0xff000000, 0xff000000], @ipv4=@initdev={0xac, 0x1e, 0x1, 0x0}, [0xff000000, 0x0, 0xffffffff], 0x4d4, 0x3506, 0x2c, 0x0, 0x1d, 0x6}, {@ipv4=@remote, [0xff, 0xffffffff, 0xffffffff], @ipv4=@multicast1, [0xffffff00, 0xff, 0xffffff00, 0xffffffff], 0x4d3, 0x0, 0x32, 0x0, 0x5, 0x8}], 0x2, 0x3}}, @common=@unspec=@physdev={{0x68, 'physdev\x00'}, {'veth0\x00', {}, 'vlan1\x00', {0xff}, 0x0, 0x1}}]}, @common=@SET={0x60, 'SET\x00', 0x0, {{0x2, [0x4, 0x2, 0x7, 0x4, 0x1, 0x1], 0x1, 0x3}, {0x2, [0xa, 0x2, 0x0, 0x3, 0x2, 0x2], 0x2, 0x1}}}}], {{[], 0x0, 0x70, 0x98}, {0x28}}}}, 0x530) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) 08:20:29 executing program 0: socket$inet_udp(0x2, 0x2, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x80000000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 265.853310] FAT-fs (loop2): Can't find a valid FAT filesystem [ 265.853621] block nbd0: shutting down sockets [ 265.894498] block nbd0: shutting down sockets 08:20:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 265.980511] EXT4-fs (loop1): unable to read superblock [ 265.986656] FAT-fs (loop2): bogus number of reserved sectors [ 266.002539] FAT-fs (loop2): Can't find a valid FAT filesystem [ 266.017325] block nbd4: shutting down sockets 08:20:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) recvfrom$phonet(r1, &(0x7f00000001c0)=""/155, 0x9b, 0x40000043, &(0x7f00000000c0)={0x23, 0x80, 0xf5, 0xb}, 0x10) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun\x00', 0x600801, 0x0) ioctl$TUNSETVNETHDRSZ(r2, 0x400454d8, &(0x7f0000000180)) [ 266.030961] block nbd4: shutting down sockets 08:20:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BLKSECDISCARD(0xffffffffffffffff, 0x127d, &(0x7f0000000000)=0xffffffffffff8001) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$KDGKBENT(r2, 0x4b46, &(0x7f0000000040)={0x3, 0x40, 0xfffb}) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:29 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x3f00000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:29 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x8cd, 0x200}], 0x0, 0x0) 08:20:29 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:30 executing program 4: r0 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r0, 0x0, 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) getsockopt$PNPIPE_INITSTATE(r1, 0x113, 0x4, &(0x7f0000000040), &(0x7f00000000c0)=0x4) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) getsockopt$EBT_SO_GET_INIT_ENTRIES(r0, 0x0, 0x83, &(0x7f00000001c0)={'filter\x00', 0x0, 0x4, 0x98, [], 0x1, &(0x7f0000000000)=[{}], &(0x7f0000000100)=""/152}, &(0x7f0000000240)=0x78) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) [ 266.150437] block nbd4: shutting down sockets [ 266.161629] block nbd4: shutting down sockets [ 266.171203] block nbd0: Receive control failed (result -107) [ 266.177929] block nbd0: shutting down sockets [ 266.203161] block nbd0: Receive control failed (result -107) [ 266.210856] block nbd0: shutting down sockets [ 266.236832] EXT4-fs (loop1): unable to read superblock [ 266.244868] FAT-fs (loop2): bogus number of reserved sectors 08:20:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x0, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 266.285063] FAT-fs (loop2): Can't find a valid FAT filesystem [ 266.290536] block nbd4: shutting down sockets [ 266.303580] block nbd4: shutting down sockets [ 266.311252] EXT4-fs (loop1): unable to read superblock 08:20:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$KVM_ASSIGN_PCI_DEVICE(0xffffffffffffffff, 0x8040ae69, &(0x7f0000000000)={0x80, 0x5, 0x80000001, 0x4, 0x9}) r1 = socket(0x2, 0x1, 0x6) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet_MCAST_MSFILTER(r2, 0x0, 0x30, &(0x7f00000000c0)={0x9, {{0x2, 0x4e23, @local}}}, 0x90) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:30 executing program 0: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) ioctl$MEDIA_REQUEST_IOC_QUEUE(r0, 0x7c80, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$RTC_ALM_SET(r0, 0x40247007, &(0x7f0000000200)={0x24, 0x15, 0x13, 0x2, 0x7, 0xffff, 0x0, 0xa1}) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0x252000, 0x0) getsockopt$netrom_NETROM_N2(r0, 0x103, 0x3, &(0x7f0000000040)=0x400, &(0x7f00000000c0)=0x4) ioctl$NBD_DO_IT(r1, 0xab03) r3 = gettid() getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040), &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000240)=@assoc_value={0x0, 0x4}, &(0x7f0000000280)=0x8) tkill(r3, 0x16) r4 = syz_open_procfs(r3, &(0x7f0000000100)='auxv\x00') r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) fcntl$setflags(r5, 0x2, 0x1) ioctl$LOOP_SET_STATUS(r4, 0x4c02, &(0x7f0000000140)={0x0, {}, 0x0, {}, 0x80000000, 0x5, 0x1b, 0xc, "6d3db9bd62c274af807cb1b0dfb8d893963fb82e21409a87b6c85cf722e9d57e70a80e82992ef5d0812b4621caf6dd312107ac0207c5a38a09995266be79cc26", "e8ee491e2eadd0c379fdbd4bc12f782867832307ea35cb135ebc4d7b126c7876", [0x3, 0xc1]}) 08:20:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:30 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x1f00, 0x200}], 0x0, 0x0) [ 266.403863] FAT-fs (loop2): bogus number of reserved sectors [ 266.421268] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:30 executing program 4: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) write$RDMA_USER_CM_CMD_GET_EVENT(r0, &(0x7f0000000280)={0xc, 0x8, 0xfa00, {&(0x7f0000000100)}}, 0x10) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x3, 0xa, 0x3) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x18001, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS(r2, 0xc0406619, &(0x7f00000000c0)={{0x2, 0x0, @reserved="8303f848be972f8a6fe6ea857154300bc411888ba0403760f450007164255c93"}}) ioctl$SIOCGSTAMP(r2, 0x8906, &(0x7f0000000040)) [ 266.452808] block nbd4: shutting down sockets [ 266.463928] block nbd0: Receive control failed (result -107) [ 266.479989] block nbd4: shutting down sockets 08:20:30 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4000000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 266.545601] EXT4-fs (loop1): unable to read superblock 08:20:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x10, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 266.601977] EXT4-fs (loop1): unable to read superblock 08:20:30 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x2000, 0x200}], 0x0, 0x0) 08:20:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 266.680540] FAT-fs (loop2): bogus number of reserved sectors [ 266.712518] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) clone(0x210612c17c, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = getpgid(0x0) prctl$PR_SET_PTRACER(0x59616d61, r1) r2 = gettid() tkill(r2, 0xb) ptrace$setopts(0x4206, r2, 0x0, 0x0) wait4(0x0, 0x0, 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) r4 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-monitor\x00', 0x20000, 0x0) ioctl$VHOST_SET_VRING_NUM(r4, 0x4008af10, &(0x7f0000000040)={0x1, 0x4}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) [ 266.796046] EXT4-fs (loop1): unable to read superblock 08:20:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:30 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 266.858375] FAT-fs (loop2): bogus number of reserved sectors [ 266.864411] FAT-fs (loop2): Can't find a valid FAT filesystem [ 266.875948] EXT4-fs (loop1): unable to read superblock [ 266.885788] block nbd4: shutting down sockets [ 266.962248] block nbd4: Device being setup by another task [ 268.887971] NOHZ: local_softirq_pending 08 08:20:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) write$UHID_SET_REPORT_REPLY(r1, &(0x7f00000000c0)={0xe, {0x3, 0x80, 0x20, 0xc4, "c54ee655fd42928faf915de8124166ded7dbb6217a41daa40ac5b22308b718d127fc2475dd3342a7e43c5898c302254e626558ca99a200ffdf0131250faee2a0c9bb952c7deb16d3598ef0c47016cbd6fa51ffbdca272cadb93e0efaa07fadd55590b0ae9f71317f9548dc5fb227930362f5ecc4cef28fc5b67ba99e5dfc83e376364ce1ade3bcb22ded49a8a851af6865743a87c17b98a8c81874772c2231ac8f6de0a024a7ce46104376b6a4ba7e92b83da6f466a7d631a42f46bef8992ceec3bc1ea9"}}, 0xd0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:33 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x2200, 0x200}], 0x0, 0x0) 08:20:33 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4800000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$radio(&(0x7f0000000040)='/dev/radio#\x00', 0x2, 0x2) ioctl$sock_SIOCGIFVLAN_GET_VLAN_REALDEV_NAME_CMD(0xffffffffffffffff, 0x8982, &(0x7f0000000000)={0x8, 'vlan0\x00', {'veth1_to_hsr\x00'}, 0x8}) 08:20:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$vcsu(&(0x7f0000000000)='/dev/vcsu#\x00', 0x0, 0x10000) ioctl$EVIOCGABS20(r1, 0x80184560, &(0x7f00000000c0)=""/241) r2 = socket(0x1a, 0x1, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x32c00, 0x0) ioctl$VIDIOC_G_FREQUENCY(r3, 0xc02c5638, &(0x7f0000000040)={0xfffffe00, 0x3, 0xd8}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r4 = syz_open_dev$radio(&(0x7f0000000200)='/dev/radio#\x00', 0x2, 0x2) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r5, 0xc00c642d, &(0x7f00000002c0)={0x0, 0x0, r6}) ioctl$EXT4_IOC_GROUP_ADD(r7, 0x40286608, &(0x7f0000000300)={0x8d6, 0x1, 0x6, 0x2, 0x1ff, 0x2}) ioctl$VIDIOC_S_MODULATOR(r4, 0x40445637, &(0x7f0000000240)={0x9, "83d9e019111632f894e82385e1c53121f240152c00ddda02c8e956c9ae7349e0", 0x4, 0x2, 0x80000000, 0x8, 0x5}) r8 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) setsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000340)={@mcast1}, 0x14) sendmmsg(r8, 0x0, 0x0, 0x0) ioctl$TCSETAW(r8, 0x5407, &(0x7f00000001c0)={0x0, 0x7, 0x9f5, 0x1, 0x14, "116a271754a7983d"}) ioctl$NBD_DO_IT(r0, 0xab03) [ 269.401635] block nbd0: shutting down sockets [ 269.457274] EXT4-fs (loop1): unable to read superblock [ 269.482084] block nbd4: Device being setup by another task [ 269.482131] FAT-fs (loop2): bogus number of reserved sectors 08:20:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 269.506009] block nbd0: Receive control failed (result -107) [ 269.514605] block nbd0: shutting down sockets [ 269.523855] FAT-fs (loop2): Can't find a valid FAT filesystem [ 269.532302] block nbd0: Could not allocate knbd recv work queue. [ 269.547617] block nbd4: Device being setup by another task [ 269.552234] block nbd0: shutting down sockets [ 269.558764] EXT4-fs (loop1): unable to read superblock 08:20:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x8000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = gettid() tkill(r2, 0x16) ioctl$sock_FIOSETOWN(r1, 0x8901, &(0x7f0000000040)=r2) 08:20:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x22, 0xa, 0xd82e) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:33 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x2c00, 0x200}], 0x0, 0x0) 08:20:33 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4c00000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x2) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) getsockopt$sock_buf(r1, 0x1, 0x1c, &(0x7f00000000c0)=""/76, &(0x7f0000000040)=0x4c) syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x7, 0x240040) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) sendmsg$IPCTNL_MSG_CT_DELETE(r1, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x230, 0x2, 0x1, 0x301, 0x0, 0x0, {0x7, 0x0, 0x9}, [@CTA_TUPLE_REPLY={0xd4, 0x2, 0x0, 0x1, [@CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @multicast2}, {0x8, 0x2, @empty}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x2f}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @dev={0xfe, 0x80, [], 0xa}}, {0x14, 0x4, @remote}}}, @CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @rand_addr=' \x01\x00'}, {0x14, 0x4, @rand_addr=' \x01\x00'}}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @initdev={0xfe, 0x88, [], 0x0, 0x0}}, {0x14, 0x4, @mcast1}}}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @empty}, {0x8, 0x2, @multicast1}}}]}, @CTA_NAT_SRC={0xd0, 0x6, 0x0, 0x1, [@CTA_NAT_V6_MAXIP={0x14, 0x5, @remote}, @CTA_NAT_V4_MINIP={0x8, 0x1, @local}, @CTA_NAT_PROTO={0x14, 0x3, 0x0, 0x1, [@CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e20}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e20}]}, @CTA_NAT_V6_MAXIP={0x14, 0x5, @rand_addr=' \x01\x00'}, @CTA_NAT_V4_MINIP={0x8, 0x1, @empty}, @CTA_NAT_PROTO={0x1c, 0x3, 0x0, 0x1, [@CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e24}]}, @CTA_NAT_V6_MAXIP={0x14, 0x5, @mcast2}, @CTA_NAT_V4_MINIP={0x8, 0x1, @loopback}, @CTA_NAT_V6_MINIP={0x14, 0x4, @private1={0xfc, 0x1, [], 0x1}}, @CTA_NAT_PROTO={0x34, 0x3, 0x0, 0x1, [@CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e20}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e24}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e23}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e24}]}]}, @CTA_SYNPROXY={0x3c, 0x18, 0x0, 0x1, [@CTA_SYNPROXY_ITS={0x8, 0x2, 0x1, 0x0, 0x200}, @CTA_SYNPROXY_ITS={0x8, 0x2, 0x1, 0x0, 0xfffffffe}, @CTA_SYNPROXY_ISN={0x8, 0x1, 0x1, 0x0, 0x7fffffff}, @CTA_SYNPROXY_ISN={0x8, 0x1, 0x1, 0x0, 0x7fffffff}, @CTA_SYNPROXY_ISN={0x8, 0x1, 0x1, 0x0, 0x2}, @CTA_SYNPROXY_TSOFF={0x8, 0x3, 0x1, 0x0, 0xfff}, @CTA_SYNPROXY_TSOFF={0x8, 0x3, 0x1, 0x0, 0x10000}]}, @CTA_STATUS={0x8, 0x3, 0x1, 0x0, 0x2}, @CTA_SEQ_ADJ_REPLY={0x2c, 0x10, 0x0, 0x1, [@CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0xd9}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x2}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x7fffffff}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x80000001}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x400}]}, @CTA_STATUS={0x8, 0x3, 0x1, 0x0, 0x2006}]}, 0x230}, 0x1, 0x0, 0x0, 0x80}, 0x2400c440) r2 = socket(0x2, 0x800, 0x5e4) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) [ 269.743864] EXT4-fs (loop1): unable to read superblock [ 269.759726] block nbd4: Device being setup by another task 08:20:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) [ 269.795634] block nbd0: Receive control failed (result -107) [ 269.802531] block nbd0: shutting down sockets [ 269.814757] block nbd0: shutting down sockets [ 269.832205] FAT-fs (loop2): bogus number of reserved sectors 08:20:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f0000000000)=0x6, 0x4) 08:20:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0xb, 0x1, 0x1ff) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r3, 0x40605346, &(0x7f0000000100)={0x80000000, 0x1, {0x0, 0x1, 0x7ff, 0x0, 0x4}, 0x1}) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f00000000c0)=0x4000009) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000000)=r4, 0x4) sendmsg$IPCTNL_MSG_CT_GET_STATS_CPU(r4, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, 0x4, 0x1, 0x407, 0x0, 0x0, {0xc, 0x0, 0x9}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20008840}, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) listxattr(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)=""/230, 0xe6) [ 269.841191] FAT-fs (loop2): Can't find a valid FAT filesystem [ 269.842128] EXT4-fs (loop1): unable to read superblock 08:20:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:33 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x3f00, 0x200}], 0x0, 0x0) [ 269.946881] FAT-fs (loop2): bogus number of reserved sectors [ 269.976662] FAT-fs (loop2): Can't find a valid FAT filesystem [ 270.031304] EXT4-fs (loop1): unable to read superblock [ 270.040136] block nbd0: Receive control failed (result -107) [ 270.047781] block nbd0: shutting down sockets [ 270.065899] block nbd0: Receive control failed (result -107) [ 270.094198] block nbd0: shutting down sockets [ 270.126479] EXT4-fs (loop1): unable to read superblock 08:20:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2b, 0x800, 0x1ff) sendmsg$NFNL_MSG_ACCT_NEW(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, 0x0, 0x7, 0x801, 0x0, 0x0, {0xc, 0x0, 0x7}, [@NFACCT_NAME={0x9, 0x1, 'syz0\x00'}, @NFACCT_BYTES={0xc, 0x3, 0x1, 0x0, 0x100000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40050}, 0x4000004) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 08:20:36 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4d0c000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 08:20:36 executing program 0: r0 = semget$private(0x0, 0x3, 0x0) semctl$IPC_INFO(r0, 0x4, 0x3, 0x0) semctl$SEM_INFO(r0, 0x1, 0x13, &(0x7f0000000040)=""/32) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = gettid() tkill(r4, 0x16) ioctl$sock_SIOCSPGRP(r3, 0x8902, &(0x7f0000000000)=r4) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) 08:20:36 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x4000, 0x200}], 0x0, 0x0) 08:20:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) prctl$PR_GET_SECCOMP(0x15) setxattr$trusted_overlay_origin(&(0x7f00000000c0)='./bus\x00', &(0x7f0000000100)='trusted.overlay.origin\x00', &(0x7f0000000180)='y\x00', 0x2, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r3, 0xc0086420, &(0x7f00000001c0)={0x0}) ioctl$DRM_IOCTL_GET_SAREA_CTX(0xffffffffffffffff, 0xc010641d, &(0x7f0000000140)={r4, &(0x7f0000000740)=""/217}) ioctl$DRM_IOCTL_GET_SAREA_CTX(r2, 0xc010641d, &(0x7f0000000040)={r4, &(0x7f0000000000)=""/64}) [ 272.729542] block nbd3: shutting down sockets [ 272.749091] block nbd5: Receive control failed (result -107) [ 272.762968] block nbd5: shutting down sockets 08:20:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 272.786588] block nbd4: Device being setup by another task [ 272.812332] FAT-fs (loop2): bogus number of reserved sectors [ 272.822578] EXT4-fs (loop1): unable to read superblock [ 272.825967] block nbd5: Receive control failed (result -107) 08:20:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) symlinkat(&(0x7f0000000000)='./file0\x00', r1, &(0x7f0000000100)='./file0\x00') r2 = socket(0x2, 0x1, 0x0) bpf$MAP_DELETE_BATCH(0x1b, &(0x7f00000003c0)={&(0x7f0000000140)="6b574312f1be8adbd8f25fc90087fa4a6528b63762eb49380b3093b9c3af5b1f6ad62b819aa794a9118abed699495797b2ddf9d9d7f290e108f7156133ebec2f12301a0cd81943ad3391f1565a0353808d720ef3ef9ba9eb8dfdb8a0112397e1a90818e9bf788ece4e5fb9e70ab531f71efe0634e8f95983f43e351e35638b4c7e1b191251fccac350c553fcb5ef3db30e057c09e6c2dad3bbfab83ca85aa8ede5505498001d8b6901ddf4175c98c108aadc746ef3553ebc242a28da775b25908265a276bc986b29e78f5fc3e257ae968c9af95ec854b33449e3469319a5940058c4c662303785", &(0x7f0000000240)=""/87, &(0x7f00000000c0), &(0x7f00000002c0)="9acc495f150d5a22e193c95a93dadc74ca97d6b510be5e367bae9bb162525ecb563094bd7948da42d4fe5ed181e0de73f1b803357d51b6eaefb3c69d0be2a206c107e0ec33822c76e0769d5ad4c71374070c6e4d840ceec5a9abb48f0d3c7dc02f572b25328031fe49fd98ef88e3cb90d976630ea5bd316af6b89e7f2d17dcb5c16283ff75dc775ccf4e438dc61fe3342e912770744ddad9f3f7474d82e04199f5f296f2ec2a2ed338bb5664b356c247adf52b9695a978839bd60cc63dc8f7053f3961bf362511f048453b7189ec90f1b91b7a", 0xfffffff7, r1, 0x4}, 0x38) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) [ 272.851653] block nbd5: shutting down sockets [ 272.855449] block nbd4: Device being setup by another task [ 272.859170] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x80000, 0x0) accept4$unix(r2, 0x0, &(0x7f0000000040), 0x0) 08:20:36 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4e0c000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 272.911657] EXT4-fs (loop1): unable to read superblock [ 272.921811] block nbd3: shutting down sockets [ 272.986881] block nbd4: Device being setup by another task [ 272.994031] block nbd5: Receive control failed (result -107) [ 273.001412] block nbd5: shutting down sockets [ 273.026805] block nbd5: Could not allocate knbd recv work queue. 08:20:36 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x4800, 0x200}], 0x0, 0x0) [ 273.031374] block nbd4: Device being setup by another task [ 273.034164] block nbd5: shutting down sockets [ 273.081939] FAT-fs (loop2): bogus number of reserved sectors [ 273.090835] block nbd3: shutting down sockets 08:20:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$BLKTRACESTOP(r0, 0x1275, 0x0) r1 = socket(0x2, 0x6, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet_opts(r2, 0x0, 0x12, &(0x7f00000000c0)="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", 0x1000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_open_dev$radio(&(0x7f0000000040)='/dev/radio#\x00', 0x2, 0x2) ioctl$sock_SIOCGIFVLAN_GET_VLAN_REALDEV_NAME_CMD(0xffffffffffffffff, 0x8982, &(0x7f0000000000)={0x8, 'vlan0\x00', {'veth1_to_hsr\x00'}, 0x8}) 08:20:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x400, 0x0) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140)='devlink\x00') sendmsg$DEVLINK_CMD_PORT_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="20000000ff0f0000df25050000000e0001806e657464657673696d0000000f0002006e0003000100000000009ebfc4601c9b9ba00000"], 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0xa020) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000400)='/dev/dlm-monitor\x00', 0x4100, 0x0) getsockopt$bt_BT_VOICE(r3, 0x112, 0xb, &(0x7f0000000300)=0x9, &(0x7f0000000340)=0x2) sendmsg$DEVLINK_CMD_TRAP_SET(r1, &(0x7f00000001c0)={&(0x7f0000000040), 0xffffff95, &(0x7f0000000180)={&(0x7f0000000440)=ANY=[@ANYBLOB='}\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x98}, 0x1, 0x0, 0x0, 0x20000800}, 0x68080) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$TIOCL_SCROLLCONSOLE(r3, 0x541c, &(0x7f0000000380)={0xd, 0xe0000000}) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) connect$pptp(r5, &(0x7f0000000200)={0x18, 0x2, {0x1, @multicast2}}, 0x1e) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) r7 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmmsg(r7, 0x0, 0x0, 0x0) bind$x25(r4, &(0x7f00000003c0)={0x9, @remote={[], 0x0}}, 0x12) ioctl$NBD_SET_SOCK(r0, 0xab00, r7) [ 273.133341] FAT-fs (loop2): Can't find a valid FAT filesystem [ 273.223359] FAT-fs (loop2): bogus number of reserved sectors [ 273.225981] EXT4-fs (loop1): unable to read superblock [ 273.232964] FAT-fs (loop2): Can't find a valid FAT filesystem [ 273.250099] block nbd5: Receive control failed (result -107) [ 273.259657] block nbd5: shutting down sockets [ 273.275564] block nbd3: shutting down sockets [ 273.301031] block nbd5: Could not allocate knbd recv work queue. [ 273.312420] block nbd5: shutting down sockets [ 273.366884] EXT4-fs (loop1): unable to read superblock 08:20:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x440000) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r0, 0xc0096616, &(0x7f0000000040)={0x3, [0x0, 0x0, 0x0]}) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) syz_genetlink_get_family_id$team(&(0x7f0000000000)='team\x00') 08:20:39 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x2, 0x1, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xfffffffffffffffd) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r0) 08:20:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r1, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r2 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r1) r3 = request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r4 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r4, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_MOVE(0x1e, r2, r3, r4, 0x0) r5 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_NOTIFY(r5, &(0x7f0000000040)={0xf, 0x8, 0xfa00, {0xffffffffffffffff, 0x1a}}, 0x10) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) 08:20:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:39 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x4f0c000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:39 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x4c00, 0x200}], 0x0, 0x0) [ 275.698962] block nbd0: shutting down sockets 08:20:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x7) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r1, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r2 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r1) r3 = request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r4 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r4, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_MOVE(0x1e, r2, r3, r4, 0x0) r5 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_NOTIFY(r5, &(0x7f0000000040)={0xf, 0x8, 0xfa00, {0xffffffffffffffff, 0x1a}}, 0x10) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) [ 275.751154] EXT4-fs (loop1): unable to read superblock [ 275.759938] block nbd3: shutting down sockets 08:20:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x800, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x11, 0x1, 0x38000014) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0x200040, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r2, 0x40405514, &(0x7f0000000040)={0x6, 0x4, 0x81f4, 0x9, 'syz0\x00', 0x7}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x39, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) write$P9_RLERRORu(r2, &(0x7f0000000200)={0x10, 0x7, 0x1, {{0x3, '^{]'}, 0xe}}, 0x10) r4 = accept4$packet(r3, &(0x7f0000000080), &(0x7f0000000100)=0x14, 0x800) r5 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) getpeername$packet(r7, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r5, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r8}) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000180)={'team0\x00', r8}) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(0xffffffffffffffff, 0xc01864ba, &(0x7f00000002c0)={0x1, 0x3, 0x9, 0xfbfbfbfb}) recvfrom$packet(r4, &(0x7f0000000140)=""/59, 0x3b, 0x40002000, &(0x7f00000001c0)={0x11, 0xf4, r9, 0x1, 0x4, 0x6, @dev={[], 0xd}}, 0x14) 08:20:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r1, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r2 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r1) r3 = request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r4 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r4, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_MOVE(0x1e, r2, r3, r4, 0x0) r5 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_NOTIFY(r5, &(0x7f0000000040)={0xf, 0x8, 0xfa00, {0xffffffffffffffff, 0x1a}}, 0x10) r6 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r6) [ 275.842799] FAT-fs (loop2): bogus number of reserved sectors [ 275.852970] EXT4-fs (loop1): unable to read superblock [ 275.857162] FAT-fs (loop2): Can't find a valid FAT filesystem [ 275.876314] block nbd3: shutting down sockets 08:20:39 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6000, 0x200}], 0x0, 0x0) [ 275.944079] block nbd5: Receive control failed (result -107) [ 275.951917] block nbd5: shutting down sockets 08:20:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x200000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 275.987539] FAT-fs (loop2): bogus number of reserved sectors [ 275.993759] FAT-fs (loop2): Can't find a valid FAT filesystem [ 276.000025] block nbd5: Receive control failed (result -107) [ 276.006497] block nbd5: shutting down sockets 08:20:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x121240) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:39 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6000000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 276.052740] block nbd3: shutting down sockets [ 276.071534] EXT4-fs (loop1): unable to read superblock 08:20:39 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r1 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) r2 = request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r3 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r3, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_MOVE(0x1e, r1, r2, r3, 0x0) r4 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_NOTIFY(r4, &(0x7f0000000040)={0xf, 0x8, 0xfa00, {0xffffffffffffffff, 0x1a}}, 0x10) socket(0x2, 0x1, 0x0) 08:20:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000400)='IPVS\x00') r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) sendmsg$IPVS_CMD_NEW_SERVICE(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000200)=ANY=[@ANYBLOB="d8000700c685e66b2b1ba38ea1deaa296a153ae42095ea9504337b03e5d8dd0e72c2b7c3e15beb807867f907383311e68271d76688136374f410137951673a42faa206dd318e8f5138d2282912613ab5", @ANYRES16=r2, @ANYBLOB="0100000000000100000002000000"], 0x14}, 0x1, 0x0, 0x0, 0x8004}, 0xc840) sendmsg$IPVS_CMD_FLUSH(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x5c, r2, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}]}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x9}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffffe}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8001}, 0x200400c8) [ 276.153079] block nbd5: Receive control failed (result -107) [ 276.164062] block nbd5: shutting down sockets [ 276.174319] block nbd5: Could not allocate knbd recv work queue. [ 276.191306] EXT4-fs (loop1): unable to read superblock [ 276.198751] block nbd5: shutting down sockets 08:20:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) bpf$MAP_LOOKUP_BATCH(0x18, &(0x7f0000000040)={&(0x7f0000000000)="53b581c820ca0df6e1f48a68073732", &(0x7f00000000c0)=""/4096, &(0x7f00000010c0)="f3578c09cde2ed32865a4107a5df9af4c36d83e3ea4311d3458e559374f554f88b80a147888b0272f1038f5235a3a1224e97aa478e44dec81b6cc7732feceb9050984ec6cb023cbdb20b846f7173ab5f8211e03d6b4306fe95a2ba9213afb2c26f643d0c6d891e694b936e03f4f5906adfbcc8d9", &(0x7f0000001140)="746af97fb2a8b33976da747b7f3ec4aaa77f0a282833e975471d3c8b43419fb353e6d3acd2f70e5ca89bb00f7b8a091f78d630abff83e88f5350893a2ccdc31dab6255b153a5fe87da819cf94bf50f7f8f92ccb0f951714335dbfb6193d0885b37b4edc0a1c54a5f76e5c56908062db2c7df93eeb9b9b6728c6e19fc7e176b8ffdc2211d6f1af51bd2e8edad5b8885fbad83e001c4f8383c286871573bab054f", 0x0, r2}, 0x38) r3 = open(&(0x7f0000001200)='./file0\x00', 0x402000, 0x40) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000600)='nl80211\x00') sendmsg$NL80211_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x20, r4, 0x1, 0x0, 0x0, {}, [@NL80211_ATTR_WDEV={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040010}, 0x0) sendmsg$NL80211_CMD_SET_STATION(r3, &(0x7f0000001440)={&(0x7f0000001240)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000001400)={&(0x7f0000001280)={0x16c, r4, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NL80211_ATTR_STA_EXT_CAPABILITY={0xd7, 0xac, "10fa683881e0d63a2f9ad932de898b0be426449add59716babbb7eed5a131a926c21261d7487ebd524d27fcf6314d7752442734a981e54795c5ac00966a3fc0f62b1ff7a3c8e74615e27157ed01ff97a7b91b93223f596924ca558f195f7e486d8b54f94c8c273c243b4d74fc8db03326a3fd40ad8cce72a8fdae2b1de498138171c17afdf8895eec7d40ed6e9aed246f0d9b96e8298ddf8d8d1e1e274594bd4c3d7526e8aceaa2b6f0c08ac44e18ff07dee3efc5b99446722cda4d00ddb3b5ad489ac2fdaf897829eaf1a6f46b9fa4bb0b47e"}, @NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES={0x7f, 0xbe, "804cd4efc02f9b990f2dd3024c8cacf6013bad434619e9205c8aad7b010d155d75669f761f4ba1e2d08bf98dcfd4d22b1733a46867a2d37d1f4afbe7b4201083b3d89d66307b8fc212d56ed6695e473676265479326a299ff43ed0ff0154ee8e47923b0190fbc91fa83a81e09e283d4f0652b66a16863e6aa32575"}]}, 0x16c}, 0x1, 0x0, 0x0, 0x10}, 0x11) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) ioctl$sock_FIOSETOWN(0xffffffffffffffff, 0x8901, &(0x7f0000000040)=r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:40 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6800, 0x200}], 0x0, 0x0) 08:20:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r1 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) r2 = request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r3 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r3, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_MOVE(0x1e, r1, r2, r3, 0x0) r4 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x1, 0x0) write$RDMA_USER_CM_CMD_NOTIFY(r4, &(0x7f0000000040)={0xf, 0x8, 0xfa00, {0xffffffffffffffff, 0x1a}}, 0x10) [ 276.255368] FAT-fs (loop2): bogus number of reserved sectors [ 276.295252] FAT-fs (loop2): Can't find a valid FAT filesystem [ 276.337193] block nbd4: Device being setup by another task [ 276.373670] FAT-fs (loop2): bogus number of reserved sectors 08:20:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r1 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) r2 = request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r3 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r3, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_MOVE(0x1e, r1, r2, r3, 0x0) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x1, 0x0) 08:20:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x400000) openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nvram\x00', 0x44040, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x6ec442, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x29) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) ioctl$FUSE_DEV_IOC_CLONE(r5, 0x8004e500, &(0x7f0000000000)=r6) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x80000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$PPPIOCGIDLE(r3, 0x8010743f, &(0x7f0000000080)) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) dup(r4) ioctl$VHOST_VSOCK_SET_GUEST_CID(r2, 0x4008af60, &(0x7f0000000000)) [ 276.382733] FAT-fs (loop2): Can't find a valid FAT filesystem [ 276.400228] EXT4-fs (loop1): unable to read superblock 08:20:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$SIOCX25SFACILITIES(r1, 0x89e3, &(0x7f0000000000)={0xb, 0x5863, 0x7, 0x4, 0x0, 0x81}) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) r3 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r3, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$get_keyring_id(0x0, r3, 0x6) 08:20:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r1 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) r2 = request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r3 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r3, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_MOVE(0x1e, r1, r2, r3, 0x0) 08:20:40 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6800000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:40 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6c00, 0x200}], 0x0, 0x0) [ 276.517401] EXT4-fs (loop1): unable to read superblock [ 276.530940] block nbd4: Device being setup by another task [ 276.552139] block nbd5: Receive control failed (result -107) [ 276.560053] block nbd5: shutting down sockets 08:20:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r1, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') 08:20:40 executing program 4: r0 = socket(0xb, 0x3, 0x6) ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, &(0x7f0000000100)) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nvram\x00', 0x102, 0x0) ioctl$UI_SET_LEDBIT(r3, 0x40045569, 0x9) r4 = gettid() tkill(r4, 0x16) rt_sigqueueinfo(r4, 0xf, &(0x7f0000000000)={0xb, 0x6, 0x40}) 08:20:40 executing program 5: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205648, &(0x7f00000000c0)={0xf5cffff, 0x3, 0x7, r1, 0x0, &(0x7f0000000040)={0x9b0953, 0x8, [], @p_u32=&(0x7f0000000000)=0x2}}) sendmsg$IPSET_CMD_TEST(r2, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xe8, 0xb, 0x6, 0x301, 0x0, 0x0, {0x2, 0x0, 0x7}, [@IPSET_ATTR_ADT={0x1c, 0x8, 0x0, 0x1, [{0xc, 0x7, 0x0, 0x1, @IPSET_ATTR_LINENO={0x8, 0x9, 0x1, 0x0, 0x7}}, {0xc, 0x7, 0x0, 0x1, @IPSET_ATTR_CIDR2={0x5}}]}, @IPSET_ATTR_ADT={0x78, 0x8, 0x0, 0x1, [{0xc, 0x7, 0x0, 0x1, @IPSET_ATTR_MARKMASK={0x8, 0xb, 0x1, 0x0, 0x6}}, {0x10, 0x7, 0x0, 0x1, @IPSET_ATTR_IP={0xc, 0x1, 0x0, 0x1, @IPSET_ATTR_IPADDR_IPV4={0x8, 0x1, 0x1, 0x0, @remote}}}, {0xc, 0x7, 0x0, 0x1, @IPSET_ATTR_PORT={0x6, 0x4, 0x1, 0x0, 0x4e23}}, {0x14, 0x7, 0x0, 0x1, @IPSET_ATTR_COMMENT={0xe, 0x1a, '/dev/nbd#\x00'}}, {0x10, 0x7, 0x0, 0x1, @IPSET_ATTR_NAME={0x9, 0x12, 'syz1\x00'}}, {0xc, 0x7, 0x0, 0x1, @IPSET_ATTR_CADT_FLAGS={0x8}}, {0xc, 0x7, 0x0, 0x1, @IPSET_ATTR_MARK={0x8, 0xa, 0x1, 0x0, 0x1000}}, {0x10, 0x7, 0x0, 0x1, @IPSET_ATTR_SKBMARK={0xc, 0x1b, 0x1, 0x0, 0x6}}]}, @IPSET_ATTR_ADT={0x40, 0x8, 0x0, 0x1, [{0x10, 0x7, 0x0, 0x1, @IPSET_ATTR_NAMEREF={0x9, 0x13, 'syz0\x00'}}, {0x10, 0x7, 0x0, 0x1, @IPSET_ATTR_IP_TO={0xc, 0x2, 0x0, 0x1, @IPSET_ATTR_IPADDR_IPV4={0x8, 0x1, 0x1, 0x0, @empty}}}, {0xc, 0x7, 0x0, 0x1, @IPSET_ATTR_PROTO={0x5, 0x7, 0xc}}, {0x10, 0x7, 0x0, 0x1, @IPSET_ATTR_NAMEREF={0x9, 0x13, 'syz2\x00'}}]}]}, 0xe8}, 0x1, 0x0, 0x0, 0x8044}, 0x240000c0) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) [ 276.586417] FAT-fs (loop2): bogus number of reserved sectors [ 276.599476] FAT-fs (loop2): Can't find a valid FAT filesystem [ 276.607645] block nbd5: Receive control failed (result -107) [ 276.620605] block nbd5: shutting down sockets 08:20:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) [ 276.669601] block nbd0: Receive control failed (result -107) [ 276.676682] block nbd0: shutting down sockets [ 276.693591] block nbd0: Receive control failed (result -107) [ 276.701017] block nbd0: shutting down sockets 08:20:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) getsockopt$EBT_SO_GET_ENTRIES(r2, 0x0, 0x81, &(0x7f00000000c0)={'nat\x00', 0x0, 0x4, 0x3c, [], 0x1, &(0x7f0000000000)=[{}], &(0x7f0000000040)=""/60}, &(0x7f0000000140)=0x78) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 276.722803] EXT4-fs (loop1): unable to read superblock [ 276.728918] FAT-fs (loop2): bogus number of reserved sectors [ 276.734780] FAT-fs (loop2): Can't find a valid FAT filesystem [ 276.758265] block nbd4: Device being setup by another task [ 276.767092] block nbd5: Receive control failed (result -107) 08:20:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 276.773795] block nbd5: shutting down sockets [ 276.780583] block nbd5: Could not allocate knbd recv work queue. [ 276.793396] block nbd5: shutting down sockets [ 276.835926] block nbd0: Receive control failed (result -107) [ 276.837523] EXT4-fs (loop1): unable to read superblock [ 276.850419] block nbd0: shutting down sockets 08:20:40 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x6c00000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x4080) r1 = socket(0x2, 0x1, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) getsockname(r2, &(0x7f0000000040)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff}}, &(0x7f00000000c0)=0x80) setsockopt$ALG_SET_AEAD_AUTHSIZE(r3, 0x117, 0x5, 0x0, 0x4) ioctl$NBD_DO_IT(r0, 0xab03) [ 276.887357] block nbd0: Could not allocate knbd recv work queue. [ 276.893908] block nbd0: shutting down sockets 08:20:40 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x7400, 0x200}], 0x0, 0x0) 08:20:40 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:41 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 277.135174] EXT4-fs (loop1): unable to read superblock [ 277.152117] FAT-fs (loop2): bogus number of reserved sectors [ 277.172502] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$TIOCL_SETSEL(r2, 0x541c, &(0x7f0000000000)={0x2, {0x2, 0x9, 0x6, 0x3, 0x0, 0x2}}) ioctl$NBD_DO_IT(r0, 0xab03) [ 277.216972] EXT4-fs (loop1): unable to read superblock [ 277.321462] FAT-fs (loop2): bogus number of reserved sectors [ 277.341738] FAT-fs (loop2): Can't find a valid FAT filesystem [ 277.376609] block nbd0: Receive control failed (result -107) [ 277.383217] block nbd0: shutting down sockets [ 277.396964] block nbd0: Could not allocate knbd recv work queue. [ 277.427757] block nbd0: shutting down sockets 08:20:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x10000, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r1, 0xc04064a0, &(0x7f0000000180)={&(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000000c0)=[0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8, 0x3, 0x5, 0xa}) stat(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0}) mount$9p_virtio(&(0x7f00000001c0)='syz\x00', &(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='9p\x00', 0x3035c6e, &(0x7f0000000340)={'trans=virtio,', {[{@uname={'uname'}}, {@aname={'aname', 0x3d, '*-)'}}, {@cache_none='cache=none'}, {@nodevmap='nodevmap'}, {@access_user='access=user'}, {@nodevmap='nodevmap'}, {@dfltuid={'dfltuid', 0x3d, r2}}]}}) r3 = socket(0x2, 0x1, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) ioctl$FIDEDUPERANGE(r4, 0xc0189436, &(0x7f00000003c0)={0x0, 0x5, 0x4, 0x0, 0x0, [{{r3}, 0x5}, {{r3}, 0xfffffffffffffffb}, {{r0}, 0x3}, {{r5}, 0x9}]}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) 08:20:43 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x7a00, 0x200}], 0x0, 0x0) 08:20:43 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm_plock\x00', 0x10900, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_DISABLE_BEARER(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='A\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000e00000000000100000000000000060000000002001365"], 0x5d}}, 0x0) sendmsg$TIPC_CMD_SET_NETID(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r3, 0x1, 0x70bd25, 0x25dfdbfe, {{}, {}, {0x8, 0x2, 0x3}}, ["", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x800) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:43 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x7400000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) getpeername$packet(r5, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000180)=0x14) ioctl$sock_inet6_SIOCADDRT(r3, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r6}) r7 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r7, 0x29, 0x37, &(0x7f0000000580)=ANY=[@ANYBLOB="0000c56c93ffffff"], 0x8) getsockname$tipc(0xffffffffffffffff, &(0x7f0000000200), &(0x7f00000002c0)=0x10) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r7, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x66, &(0x7f0000000300)={r8, 0x7fffffff}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000100)=@sack_info={r9, 0x1f, 0x1001}, 0xfffffffb) ioctl$EVIOCSABS2F(r5, 0x401845ef, &(0x7f00000000c0)={0x9, 0xc82, 0x9, 0x9, 0x2, 0x41e51222}) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SNDRV_TIMER_IOCTL_STOP(r5, 0x54a1) [ 279.759104] EXT4-fs (loop1): unable to read superblock [ 279.774497] block nbd0: Receive control failed (result -107) [ 279.783230] block nbd0: shutting down sockets [ 279.798722] block nbd4: Device being setup by another task [ 279.806170] block nbd0: Could not allocate knbd recv work queue. [ 279.811987] block nbd4: Device being setup by another task [ 279.812912] block nbd0: shutting down sockets [ 279.829052] FAT-fs (loop2): bogus number of reserved sectors [ 279.838200] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:43 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:43 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xcc08, 0x200}], 0x0, 0x0) [ 279.859445] EXT4-fs (loop1): unable to read superblock [ 279.872334] block nbd5: Receive control failed (result -107) 08:20:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x111000, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vcs\x00', 0x400200, 0x0) ioctl$TIOCMBIS(r5, 0x5416, &(0x7f0000000180)=0x36) perf_event_open$cgroup(&(0x7f00000000c0)={0x2, 0x70, 0xdc, 0xff, 0x3, 0x7f, 0x0, 0x9, 0x2120a, 0x3, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x3, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x2, 0x4, @perf_bp={&(0x7f0000000000), 0x3}, 0x4100, 0x4, 0x5, 0x2, 0x10001, 0x6}, r2, 0x0, r3, 0x6) 08:20:43 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x7a00000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x18, 0x1, 0x9) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:43 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 280.028952] EXT4-fs (loop1): unable to read superblock [ 280.030907] FAT-fs (loop2): bogus number of reserved sectors [ 280.037266] block nbd0: Receive control failed (result -107) [ 280.052574] block nbd0: shutting down sockets [ 280.064854] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:43 executing program 3: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:43 executing program 0: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, r1) openat$vim2m(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vim2m\x00', 0x2, 0x0) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f0000000240)={0x209, @tick=0x4, 0x5, {0x7, 0x6}, 0xf8}) r3 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x749202) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x39, 0x0, 0x0) connect$rxrpc(r2, &(0x7f0000000080)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e21, 0xc11, @empty, 0xf39}}, 0x24) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) ioctl$EVIOCGMASK(r5, 0x80104592, &(0x7f0000000000)={0x3, 0xfd, &(0x7f0000000100)="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"}) ioctl$NBD_DO_IT(r3, 0xab03) [ 280.083920] block nbd0: Receive control failed (result -107) [ 280.097085] block nbd0: shutting down sockets 08:20:44 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 280.154594] EXT4-fs (loop1): unable to read superblock [ 280.160371] FAT-fs (loop2): bogus number of reserved sectors [ 280.185530] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:44 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xcd08, 0x200}], 0x0, 0x0) [ 280.353316] block nbd0: Receive control failed (result -107) [ 280.360282] block nbd0: shutting down sockets [ 280.390987] block nbd0: Receive control failed (result -107) [ 280.398369] block nbd0: shutting down sockets [ 280.403621] EXT4-fs (loop1): unable to read superblock [ 280.463747] EXT4-fs (loop1): unable to read superblock [ 280.572283] block nbd5: shutting down sockets [ 280.631080] block nbd5: Receive control failed (result -107) [ 280.640364] block nbd5: shutting down sockets 08:20:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000000)={'wg1\x00'}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$VIDIOC_G_EDID(r2, 0xc0285628, &(0x7f0000000280)={0x0, 0x7fffffff, 0xffffff19, [], &(0x7f0000000240)=0x3}) ioctl$NBD_DO_IT(r0, 0xab03) r3 = openat$full(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/full\x00', 0x400000, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f0000000140)='TIPC\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_DISABLE_BEARER(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="03040059", @ANYRES16=r5, @ANYBLOB="010000000e00000000000100000000000000060000000002001365"], 0x5d}}, 0x0) sendmsg$TIPC_CMD_GET_LINKS(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, r5, 0x2, 0x70bd29, 0x25dfdbff, {{}, {}, {0x8, 0x11, 0x3ff}}, ["", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) 08:20:44 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x7fffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:44 executing program 3: r0 = add_key$keyring(0x0, &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, r1) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_LIST_LESSEES(r2, 0xc01064c7, &(0x7f0000000040)={0x7, 0x0, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) setsockopt$inet6_opts(r1, 0x29, 0x36, 0x0, 0x0) syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x7fffffff, 0x200) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:44 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xd703, 0x200}], 0x0, 0x0) 08:20:44 executing program 3: r0 = add_key$keyring(0x0, &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 280.783031] EXT4-fs (loop1): unable to read superblock [ 280.789037] block nbd0: Receive control failed (result -107) [ 280.797999] block nbd0: shutting down sockets [ 280.803899] block nbd5: Receive control failed (result -107) [ 280.814745] block nbd5: shutting down sockets [ 280.818223] FAT-fs (loop2): bogus number of reserved sectors [ 280.826056] block nbd0: Receive control failed (result -107) [ 280.833213] block nbd0: shutting down sockets 08:20:44 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xd803, 0x200}], 0x0, 0x0) 08:20:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) openat$md(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/md0\x00', 0x620583, 0x0) ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f00000000c0)={0x0, 0x1, 0x4, 0x8, 0x101, {r2, r3/1000+10000}, {0x3, 0x8, 0x1, 0x2f, 0x4, 0x6, "00f60080"}, 0x4, 0x4, @fd=r4, 0x9dc, 0x0, r5}) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) recvfrom$x25(r1, &(0x7f0000000140)=""/61, 0x3d, 0x2000, &(0x7f0000000180)={0x9, @remote={[], 0x3}}, 0x12) ioctl$NBD_DO_IT(r0, 0xab03) [ 280.853614] FAT-fs (loop2): Can't find a valid FAT filesystem [ 280.861552] block nbd5: Receive control failed (result -107) [ 280.868514] EXT4-fs (loop1): unable to read superblock [ 280.892632] block nbd5: shutting down sockets 08:20:44 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x8000000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, [], [{0x40, 0x8, 0x3d, 0x400000000000800, 0x20000006, 0x100000000}, {0x7, 0xcf24, 0x4000000000000007, 0x10000, 0x400, 0x5}]}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$EVIOCGUNIQ(r3, 0x80404508, &(0x7f0000000000)=""/54) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$VIDIOC_TRY_EXT_CTRLS(r2, 0xc0205649, &(0x7f0000000200)={0xa10000, 0x26e, 0x401, r1, 0x0, &(0x7f00000001c0)={0x3b00ce, 0x7fff, [], @p_u16=&(0x7f0000000180)=0x3}}) ioctl$VIDIOC_S_EDID(r4, 0xc0285629, &(0x7f0000000280)={0x0, 0xffff20a2, 0x80000000, [], &(0x7f0000000240)=0x67}) 08:20:44 executing program 3: r0 = add_key$keyring(0x0, &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 281.060785] EXT4-fs (loop1): unable to read superblock [ 281.070651] block nbd0: Receive control failed (result -107) [ 281.078243] block nbd0: shutting down sockets 08:20:44 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', 0x0, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 281.101786] FAT-fs (loop2): bogus number of reserved sectors [ 281.108060] block nbd0: Receive control failed (result -107) [ 281.113951] block nbd5: Receive control failed (result -107) [ 281.114202] block nbd0: shutting down sockets [ 281.128861] block nbd5: shutting down sockets [ 281.145648] EXT4-fs (loop1): unable to read superblock [ 281.154415] FAT-fs (loop2): Can't find a valid FAT filesystem [ 281.167930] block nbd5: Receive control failed (result -107) [ 281.174469] block nbd5: shutting down sockets 08:20:45 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xd903, 0x200}], 0x0, 0x0) 08:20:45 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', 0x0, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:45 executing program 5: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x8844) write$P9_RSTAT(r1, &(0x7f0000000100)={0x62, 0x7d, 0x1, {0x0, 0x5b, 0x8, 0x54e58000, {0x0, 0x0, 0x3}, 0x55180000, 0x80, 0xf4, 0x7cd, 0xa, '/dev/nbd#\x00', 0xa, '/dev/nbd#\x00', 0xa, '/dev/nbd#\x00', 0xa, '/dev/nbd#\x00'}}, 0x62) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) fstat(r4, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r5) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0xfffffffffffffffe) write$P9_RGETATTR(r3, &(0x7f00000001c0)={0xa0, 0x19, 0x1, {0x1040, {0x1, 0x2, 0x6}, 0x120, r5, r6, 0x8000, 0x6, 0x7, 0x200, 0x7fffffff, 0x2, 0x7fdf44a0, 0xffffffff, 0x7, 0x8, 0x6, 0x4, 0x9, 0x7ff, 0x7}}, 0xa0) ioctl$VHOST_VSOCK_SET_GUEST_CID(r2, 0x4008af60, &(0x7f0000000000)) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) r7 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f00000000c0)={r7, 0x9, 0x1, 0xfffffff7, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6}, 0x20) [ 281.246705] FAT-fs (loop2): bogus number of reserved sectors [ 281.253745] FAT-fs (loop2): Can't find a valid FAT filesystem [ 281.266225] block nbd0: Receive control failed (result -107) [ 281.278023] block nbd0: shutting down sockets [ 281.284137] block nbd0: Could not allocate knbd recv work queue. [ 281.299431] block nbd0: shutting down sockets 08:20:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) pipe(&(0x7f00000000c0)) ioctl$NBD_DO_IT(r0, 0xab03) utime(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x80000001, 0x2}) 08:20:45 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', 0x0, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:45 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x8cffffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 281.385633] EXT4-fs (loop1): unable to read superblock 08:20:45 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(0x0, &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 281.447789] EXT4-fs (loop1): unable to read superblock [ 281.454047] block nbd0: Receive control failed (result -107) [ 281.460821] block nbd0: shutting down sockets 08:20:45 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xda03, 0x200}], 0x0, 0x0) [ 281.489705] block nbd0: Receive control failed (result -107) [ 281.489850] block nbd0: shutting down sockets 08:20:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x5fd080, 0x0) sendmsg$nl_route(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000540)=ANY=[@ANYBLOB="88000000430000022bbd7000fbdbdf250a0000001c0006800c000d0000000000000000000c000d000004000000000000080003000700000008000200020000000c00080002000000000000002c00068008001100000200000c00060005000000000000000c000f009b010000000000000800110003000000100006800c000c0003000000000000004e9186d9ca756bce533d6fa617bfb58cc4ccf148155fa32546187df3e10d31aa528b6bbadb85268ebed8a102fcead550e472711fa4d40bb0440e1d8a1c43fbec63472683cb66946d3171aa258d86dda20de138ce560e1850b4d08f1ccbf337249f9dad028ec038789623a043ac9def391d27ebf4ebe02f449a2df2863acb370fab19b362287a7dab65da11e94216af12f57af6f226b9017978a6cdda06f6b5a041085c6b42f204d45c2f3b353ac84949ec31eb05759063a065c2a528d33d0eda356dc78a7dc2b87b94e9b8e30344d928039461753732c0d39ac3f4038a37591c4e3300e01a8adaa3a2142acfb241f535427c76ab709c0bd7ffc80bb7bea8b543b23678811ca02e887d31669b6fb04fd640dc317f53eb5342dab242f13880b4b8a6c84d454205cce4afec726da0cbc97ef03c9f557fbe01e8e598bc1374d34d09914b466a0dfb30ef65a827300a75c04c0b57eff97cc77ae6bc543444817582402e8f061c84e2fbc79c528acb5631105694fb1e25b0511e9e8329f3fc3928221954ce5c444ccfa51ee54438f53d2e63f35ab8fd940db6c648798f543c171658762318aea51d7043c259ca2c1dfcb1d1284e6f662174998bf50ed6496df0049c2552567c0e737eb9d7a2cce3e8de311b8951f6ae125f93c2d52e9425c2804fb60b44acd9"], 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x4000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:45 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(0x0, &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 281.545690] FAT-fs (loop2): bogus number of reserved sectors [ 281.581406] FAT-fs (loop2): Can't find a valid FAT filesystem [ 281.640090] block nbd0: Receive control failed (result -107) [ 281.648708] block nbd0: shutting down sockets [ 281.653645] EXT4-fs (loop1): unable to read superblock [ 281.668473] FAT-fs (loop2): bogus number of reserved sectors [ 281.678108] FAT-fs (loop2): Can't find a valid FAT filesystem [ 281.695176] block nbd0: Receive control failed (result -107) [ 281.701663] block nbd0: shutting down sockets 08:20:45 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(0x0, &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 281.762717] EXT4-fs (loop1): unable to read superblock 08:20:45 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xedc0, 0x200}], 0x0, 0x0) 08:20:45 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x97ffffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x21, 0xa, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = gettid() tkill(r2, 0x16) sched_setscheduler(r2, 0x3, &(0x7f00000000c0)=0x4) r3 = openat(r1, &(0x7f0000000000)='./file0\x00', 0x22400, 0x0) bind$l2tp6(r3, &(0x7f0000000040)={0xa, 0x0, 0x86, @mcast2, 0x771d, 0x4}, 0x76) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:45 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', 0x0, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 281.923591] EXT4-fs (loop1): unable to read superblock [ 281.930480] FAT-fs (loop2): bogus number of reserved sectors [ 281.958500] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:45 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', 0x0, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 282.054545] EXT4-fs (loop1): unable to read superblock [ 282.071485] FAT-fs (loop2): bogus number of reserved sectors [ 282.104469] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:45 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xff0f, 0x200}], 0x0, 0x0) 08:20:46 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', 0x0, &(0x7f0000000140)='\x00', r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:46 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xc626000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) socketpair(0x8000000000001e, 0x804, 0x0, &(0x7f000000dff8)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$alg(r2, &(0x7f0000236fc8)=[{0x8004000, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000140)=[@assoc]}], 0x175, 0x0) connect$tipc(r2, &(0x7f0000000040)=@id={0x1e, 0x3, 0x0, {0x0, 0x2}}, 0x10) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000100)='/dev/full\x00', 0x800, 0x0) r4 = dup(0xffffffffffffffff) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000340)={@private2={0xfc, 0x2, [], 0x1}, 0x40, 0x1, 0x0, 0x8, 0x2, 0x200}, &(0x7f0000000380)=0x20) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000140)='NLBL_MGMT\x00') r6 = socket$inet_udp(0x2, 0x2, 0x0) fstat(r6, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setuid(r7) syz_mount_image$f2fs(&(0x7f0000000180)='f2fs\x00', &(0x7f00000001c0)='./file0\x00', 0xdf, 0x0, &(0x7f0000000200), 0x10402, &(0x7f0000000440)={[{@jqfmt_vfsv1='jqfmt=vfsv1'}, {@nobarrier='nobarrier'}, {@prjquota={'prjquota', 0x3d, 'NLBL_MGMT\x00'}}, {@inline_xattr='inline_xattr'}], [{@measure='measure'}, {@fsname={'fsname', 0x3d, '.$\xbc!+:/{\\%(+\'$%'}}, {@appraise_type='appraise_type=imasig'}, {@subj_role={'subj_role', 0x3d, '$,^'}}, {@hash='hash'}, {@defcontext={'defcontext', 0x3d, 'unconfined_u'}}, {@uid_lt={'uid<', r7}}, {@rootcontext={'rootcontext', 0x3d, 'staff_u'}}]}) sendmsg$NLBL_MGMT_C_ADD(r4, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="00022dbd7000fbdbdf250100000014000600ff02000000590f0000000000000000df36edaf000c000200000008000700ac1414aa08000400010000000800020003000000"], 0x48}, 0x1, 0x0, 0x0, 0x4008001}, 0x4000000) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x34, r5, 0x1, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}]}, 0x34}, 0x1, 0x0, 0x0, 0x400c011}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x244220}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x0, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008014}, 0x40841) sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r5, 0x400, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/nbd#\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40850}, 0x80) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:46 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 282.329396] FAT-fs (loop2): bogus number of reserved sectors [ 282.350325] EXT4-fs (loop1): unable to read superblock [ 282.406942] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:46 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 282.518894] EXT4-fs (loop1): unable to read superblock 08:20:46 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x20000, 0x200}], 0x0, 0x0) [ 282.560238] FAT-fs (loop2): bogus number of reserved sectors [ 282.570164] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:46 executing program 3: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, 0x0, r0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x610200) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) write$P9_RLERRORu(r2, &(0x7f0000000000)={0xe, 0x7, 0x1, {{0x1, '\xe0'}, 0xb8}}, 0xe) [ 282.610809] block nbd5: shutting down sockets [ 282.808828] EXT4-fs (loop1): unable to read superblock 08:20:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) socket$inet6_icmp(0xa, 0x2, 0x3a) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x841, 0x0) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) setsockopt$inet6_opts(r3, 0x29, 0x3b, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:48 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xc8a6030000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:48 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:48 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x2c884, 0x200}], 0x0, 0x0) 08:20:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x680583, 0x0) ioctl$KVM_ASSIGN_SET_MSIX_NR(r1, 0x4008ae73, &(0x7f00000000c0)={0x7, 0xffff}) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_FLINK(r1, 0xc008640a, &(0x7f0000000000)) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) [ 284.953876] block nbd4: Device being setup by another task [ 284.964131] block nbd4: Device being setup by another task [ 284.974324] block nbd0: Receive control failed (result -107) [ 284.981393] block nbd0: shutting down sockets [ 284.984759] FAT-fs (loop2): bogus number of reserved sectors 08:20:48 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(0x0, &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x10002) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x80b00, 0x0) ioctl$UI_DEV_DESTROY(r2, 0x5502) [ 285.002031] FAT-fs (loop2): Can't find a valid FAT filesystem [ 285.011056] block nbd0: Receive control failed (result -107) [ 285.021253] EXT4-fs (loop1): unable to read superblock [ 285.027338] block nbd0: shutting down sockets 08:20:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:48 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xcb26000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:48 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x40000, 0x200}], 0x0, 0x0) [ 285.106503] EXT4-fs (loop1): unable to read superblock 08:20:49 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(0x0, &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x38200) r1 = socket(0x29, 0x800, 0x81) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:49 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(0x0, &(0x7f00000001c0)={'syz', 0x0}, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 285.240611] FAT-fs (loop2): bogus number of reserved sectors [ 285.264069] EXT4-fs (loop1): unable to read superblock [ 285.274048] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r3, 0x29, 0x37, &(0x7f0000000580)=ANY=[@ANYBLOB='\x00\x00\x00\x00'], 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYBLOB="58003b0000000000cf", @ANYRES32=0x0], &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000040)={r4}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000000)={r4, 0x2}, 0x8) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x11, 0x80000, 0x200000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 08:20:49 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', 0x0, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) [ 285.365332] EXT4-fs (loop1): unable to read superblock 08:20:49 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x1fffff, 0x200}], 0x0, 0x0) [ 285.425200] FAT-fs (loop2): bogus number of reserved sectors [ 285.444972] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:49 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xe0ba9e8600000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:49 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', 0x0, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000000)={r2, &(0x7f00000000c0)="79fe41bee29b0392f06bd649392242b830ba4d7a4c60b0d1aced4af14338b42ac92d6388c5eb06b02e6575d25dde8d12400bb19790cdc38798a69f0d51403d0c8080bebf189f017c4a54d246e7483fd9de9eb0d0e691364a30adbe785899f549f29560cfc7d80f0aaa0e17da1d23ecfaa6e92e07ed159503b6739d05ff099d5868aebfb12caa7624905796b6473e5e66897f2397fb1290220d9615e329465ed397e24a798a6a4d71a9cc897cf64d6b4d147522160df5b69b7290ae4fd9dd2183f20ed23f8b0e57f5483078a37f1746", &(0x7f00000001c0)=""/220, 0x4}, 0x20) [ 285.591940] EXT4-fs (loop1): unable to read superblock [ 285.603360] block nbd0: Receive control failed (result -107) 08:20:49 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', 0x0, &(0x7f0000000200)=')\x00', 0xffffffffffffffff) 08:20:49 executing program 4: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) ioctl$vim2m_VIDIOC_EXPBUF(r0, 0xc0405610, &(0x7f0000000240)={0x2, 0x3, 0x31c, 0x4000, r0}) setsockopt$CAIFSO_REQ_PARAM(r0, 0x116, 0x80, &(0x7f00000000c0)="be767d9bf3a8ffdcfb6640e3754c98eb56e7cd2f04d44aa68c5aa766035fd58853aafcaeb9648fbf7c02b43c82b3b48c76f7ec5b05da217041803204a28bde0e7229ee3b737da0acb92fbf6c8eb50273b962488121fc2d008f8689a8d9f13656b71c6182cfec1c347301b0736b702257aa60b6dbaf7c7daf218759487a636748f4b884242b04d962d500e219a875a83840014ff340404e5c1117a27c46da89793bca0362b4c7e06c908a8c39a5c35295935e98b011d6b4031bd162eb2458f942db34a704050383871e3bad48f35f174eed680c", 0xd3) r1 = socket(0x11, 0x1, 0x9) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$TUNSETCARRIER(r2, 0x400454e2, &(0x7f00000001c0)=0x1) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r4 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000200)='/dev/hwrng\x00', 0x20c00, 0x0) ioctl$USBDEVFS_RESET(r4, 0x5514) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) setsockopt$inet6_IPV6_RTHDRDSTOPTS(r5, 0x29, 0x37, &(0x7f0000000280)={0x3b, 0x9, [], [@calipso={0x7, 0x10, {0x2, 0x2, 0x4, 0x4, [0x6]}}, @padn={0x1, 0x4, [0x0, 0x0, 0x0, 0x0]}, @generic={0x1, 0xe, "58a74a6998904cff03872cfba247"}, @ra={0x5, 0x2, 0x1}, @padn={0x1, 0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, @padn={0x1, 0x7, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, @hao={0xc9, 0x10, @loopback}]}, 0x58) sendmmsg(r3, 0x0, 0x0, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x131202, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r1) 08:20:49 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x400000, 0x200}], 0x0, 0x0) [ 285.646539] EXT4-fs (loop1): unable to read superblock [ 285.652263] block nbd4: Device being setup by another task [ 285.675195] block nbd4: Device being setup by another task 08:20:49 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, 0x0, 0xffffffffffffffff) [ 285.731711] FAT-fs (loop2): bogus number of reserved sectors [ 285.742293] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:49 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, 0x0, 0xffffffffffffffff) [ 285.805802] FAT-fs (loop2): bogus number of reserved sectors [ 285.812431] EXT4-fs (loop1): unable to read superblock [ 285.829537] FAT-fs (loop2): Can't find a valid FAT filesystem [ 285.918273] EXT4-fs (loop1): unable to read superblock [ 286.271899] block nbd0: shutting down sockets 08:20:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r2 = socket$bt_rfcomm(0x1f, 0x1, 0x3) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f0000000000)={0x0, 0x1, 0x80000001, 0xeec4}) 08:20:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) r2 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r2, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) ioctl$IMGETCOUNT(0xffffffffffffffff, 0x80044943, &(0x7f0000000140)) r3 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r3, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r4 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r4, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r4, &(0x7f0000000480)='asymmetric\x00', &(0x7f0000000000)=@chain={'key_or_keyring:', r3, ':chain\x00'}) keyctl$revoke(0x3, r1) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_IRQ_BUSID(r6, 0xc0106403, &(0x7f0000000100)={0x9, 0x9, 0x80000001, 0x9}) setsockopt$inet_sctp6_SCTP_EVENTS(r5, 0x84, 0xb, &(0x7f0000000040)={0x2, 0xc0, 0x0, 0xff, 0x0, 0x0, 0x1, 0x5, 0x89, 0x7, 0x40, 0x1, 0x26, 0x40}, 0xe) r7 = socket(0x6, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r7) 08:20:50 executing program 3: add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000140)='\x00', 0x0) request_key(&(0x7f0000000180)='asymmetric\x00', &(0x7f00000001c0)={'syz', 0x0}, 0x0, 0xffffffffffffffff) 08:20:50 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xf5ffffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6b6b6b, 0x200}], 0x0, 0x0) 08:20:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) keyctl$set_reqkey_keyring(0xe, 0x5) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r3, 0xc01064bd, &(0x7f00000000c0)={&(0x7f0000000000)="f5b94e7cacac8e1e499e89e5180a70ad3dfb6a0c3a8a41334d7e1f150cfc9474b0925f47f650e3ba4fe4cb5c6f5fd45a0332cb1fdef91203f4257ce3112c3c5c0e50c07210367fa44a97bd9749a0048d7356cbd33d993d08e16f9c0f945abc9ac1d3999d56d40f9d9e872c61740ec0824613e777addc3e3b8682f84b1f", 0x7d, 0x2}) r5 = syz_open_dev$ptys(0xc, 0x3, 0x0) ioctl$KDFONTOP_SET_DEF(r5, 0x4b72, &(0x7f00000005c0)={0x2, 0x0, 0x5, 0x8, 0xd5, &(0x7f00000001c0)="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"}) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) ioctl$KVM_SET_ONE_REG(r6, 0x4010aeac, &(0x7f0000000600)={0x3, 0xba}) ioctl$DRM_IOCTL_MODE_GETPROPBLOB(r2, 0xc01064ac, &(0x7f0000000180)={r4, 0x67, &(0x7f0000000100)=""/103}) [ 286.329757] block nbd0: Receive control failed (result -107) [ 286.340072] block nbd0: shutting down sockets [ 286.420863] FAT-fs (loop2): bogus number of reserved sectors [ 286.427694] FAT-fs (loop2): Can't find a valid FAT filesystem [ 286.444943] block nbd0: Receive control failed (result -107) [ 286.452460] block nbd0: shutting down sockets 08:20:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, [], [{0x40, 0x8, 0x3d, 0x400000000000800, 0x20000006, 0x100000000}, {0x7, 0xcf24, 0x4000000000000007, 0x10000, 0x400, 0x5}]}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) ioctl$EVIOCGUNIQ(r3, 0x80404508, &(0x7f0000000000)=""/54) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$VIDIOC_TRY_EXT_CTRLS(r2, 0xc0205649, &(0x7f0000000200)={0xa10000, 0x26e, 0x401, r1, 0x0, &(0x7f00000001c0)={0x3b00ce, 0x7fff, [], @p_u16=&(0x7f0000000180)=0x3}}) ioctl$VIDIOC_S_EDID(r4, 0xc0285629, &(0x7f0000000280)={0x0, 0xffff20a2, 0x80000000, [], &(0x7f0000000240)=0x67}) 08:20:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) getsockopt$IPT_SO_GET_INFO(r2, 0x0, 0x40, &(0x7f00000000c0)={'raw\x00'}, &(0x7f0000000040)=0x54) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 286.470634] block nbd5: Receive control failed (result -107) [ 286.479399] block nbd0: Receive control failed (result -107) [ 286.481494] block nbd5: shutting down sockets [ 286.500383] block nbd0: shutting down sockets [ 286.505174] block nbd5: Receive control failed (result -107) [ 286.514724] EXT4-fs (loop1): unable to read superblock [ 286.540449] block nbd5: shutting down sockets 08:20:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x1000000, 0x200}], 0x0, 0x0) 08:20:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x2) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) sendmsg$AUDIT_USER_TTY(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x464, 0x8, 0x70bd2c, 0x25dfdbfd, "6f09eee1755ab0bebd8cf8e2d3bf709e03501f92ea092dc9499b08ffe71ae37b6d21a8747930769e", ["", ""]}, 0x38}, 0x1, 0x0, 0x0, 0x44081}, 0x20048044) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_DO_IT(r4, 0xab03) [ 286.583431] FAT-fs (loop2): bogus number of reserved sectors 08:20:50 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xf6ffffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 286.623681] FAT-fs (loop2): Can't find a valid FAT filesystem [ 286.701531] block nbd5: shutting down sockets [ 286.708197] block nbd5: shutting down sockets [ 286.713342] block nbd3: Receive control failed (result -107) [ 286.720268] block nbd0: Receive control failed (result -107) [ 286.720703] block nbd3: shutting down sockets [ 286.727772] block nbd0: shutting down sockets 08:20:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x230000, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) ioctl$NBD_DO_IT(r0, 0xab03) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) ioctl$SIOCAX25DELFWD(r4, 0x89eb, &(0x7f0000000140)={@bcast, @null}) r5 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0xffffffff, 0x402000) ioctl$VIDIOC_S_TUNER(r5, 0x4054561e, &(0x7f00000000c0)={0xffffff91, "e1e0063887606ce7be54f9974c0b24cb088004c3f30ebdc185de11946931639f", 0x3, 0x4, 0xfffffffe, 0x3, 0x4, 0x4, 0x80000000, 0x8}) 08:20:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r4, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) r5 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 286.756681] EXT4-fs (loop1): unable to read superblock [ 286.782336] block nbd0: Receive control failed (result -107) [ 286.790114] block nbd0: shutting down sockets 08:20:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$UI_ABS_SETUP(r2, 0x401c5504, &(0x7f0000000000)={0xd9df, {0x4, 0x4, 0x80000000, 0x7, 0x8, 0x40}}) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000300)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r4, &(0x7f0000000380)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000340)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r4, &(0x7f00000000c0)={0x14, 0x88, 0xfa00, {r5, 0x30, 0x0, @ib={0x1b, 0x0, 0x0, {"00000000000000000000000000000001"}, 0x11138e7, 0xfffffffffffffffd}}}, 0x90) write$RDMA_USER_CM_CMD_ACCEPT(r3, &(0x7f00000000c0)={0x8, 0x120, 0xfa00, {0x3, {0x1, 0x7ff, "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", 0x81, 0x2, 0x81, 0x1f, 0x9, 0x1, 0x2, 0x1}, r5}}, 0x128) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r4, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) r5 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 286.834935] EXT4-fs (loop1): unable to read superblock 08:20:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x2000000, 0x200}], 0x0, 0x0) [ 286.857878] FAT-fs (loop2): bogus number of reserved sectors [ 286.880052] FAT-fs (loop2): Can't find a valid FAT filesystem [ 286.916976] block nbd5: Receive control failed (result -107) [ 286.926995] block nbd5: shutting down sockets [ 286.949622] block nbd5: Receive control failed (result -107) [ 286.968309] block nbd5: shutting down sockets 08:20:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r4, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) r5 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 286.989893] FAT-fs (loop2): bogus number of reserved sectors [ 287.002455] FAT-fs (loop2): Can't find a valid FAT filesystem [ 287.022658] block nbd0: Receive control failed (result -107) [ 287.023357] EXT4-fs (loop1): unable to read superblock [ 287.035044] block nbd0: shutting down sockets 08:20:50 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xf803000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) [ 287.101434] EXT4-fs (loop1): unable to read superblock [ 287.105403] block nbd0: shutting down sockets 08:20:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x3000000, 0x200}], 0x0, 0x0) 08:20:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r4, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) dup(r1) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x36, 0x0, 0xffffffffffffff23) ioctl$NBD_DO_IT(r0, 0xab03) [ 287.243132] FAT-fs (loop2): bogus number of reserved sectors [ 287.266103] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) getpeername$packet(r5, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$int_in(r1, 0x5421, &(0x7f00000000c0)=0x9) ioctl$sock_inet6_SIOCADDRT(r3, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r6}) connect$packet(r2, &(0x7f0000000000)={0x11, 0x1, r6, 0x1, 0x20, 0x6, @broadcast}, 0x14) [ 287.302131] EXT4-fs (loop1): unable to read superblock 08:20:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r4, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) dup(r1) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 287.345737] block nbd0: Receive control failed (result -107) [ 287.352702] block nbd0: shutting down sockets [ 287.375667] block nbd0: Could not allocate knbd recv work queue. [ 287.382147] FAT-fs (loop2): bogus number of reserved sectors [ 287.387846] EXT4-fs (loop1): unable to read superblock [ 287.398557] block nbd0: shutting down sockets [ 287.403448] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x4000000, 0x200}], 0x0, 0x0) 08:20:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r4, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) dup(r1) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:51 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfbffffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 287.472227] block nbd5: Receive control failed (result -107) [ 287.482404] block nbd5: shutting down sockets 08:20:51 executing program 0: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_threshold\x00', 0x2, 0x0) ioctl$TUNSETCARRIER(r0, 0x400454e2, &(0x7f0000000040)=0x1) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$VIDIOC_G_EXT_CTRLS(r3, 0xc0205647, &(0x7f0000000180)={0x9b0000, 0x5, 0x4, r4, 0x0, &(0x7f0000000140)={0x990906, 0x8, [], @p_u16=&(0x7f0000000100)=0x3}}) ioctl$PPPIOCSDEBUG(r5, 0x40047440, &(0x7f00000001c0)=0x6) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) setsockopt$inet_opts(r6, 0x0, 0xd, &(0x7f00000000c0)="2994e365759939a45d488b4dfaa799dfd5e663e335ee8bd8c1b1bbeb442c09d7dc524093591b02718cb9beea1430b7aa89e147c8", 0x34) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) setsockopt$inet6_opts(r2, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) r7 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r7, 0xc00464af, &(0x7f0000000040)) ioctl$KVM_SET_IRQCHIP(r7, 0x8208ae63, &(0x7f0000000200)={0x2, 0x0, @pic={0xe1, 0x6, 0x6, 0x2f, 0x2, 0x4, 0x3f, 0x6, 0x29, 0x34, 0xc1, 0x6, 0x81, 0x0, 0x8, 0x9}}) 08:20:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) setsockopt$inet6_udp_int(r1, 0x11, 0x0, &(0x7f0000000000)=0x1, 0x4) [ 287.519529] block nbd5: Receive control failed (result -107) [ 287.526011] block nbd5: shutting down sockets [ 287.590872] EXT4-fs (loop1): unable to read superblock 08:20:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet_buf(r2, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r1, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 287.678383] FAT-fs (loop2): bogus number of reserved sectors [ 287.688230] block nbd0: Receive control failed (result -107) [ 287.691288] EXT4-fs (loop1): unable to read superblock [ 287.700847] block nbd0: shutting down sockets [ 287.718904] FAT-fs (loop2): Can't find a valid FAT filesystem [ 287.729207] block nbd0: Receive control failed (result -107) [ 287.741158] block nbd0: shutting down sockets 08:20:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x5000000, 0x200}], 0x0, 0x0) [ 287.773777] block nbd5: Receive control failed (result -107) [ 287.783688] block nbd5: shutting down sockets [ 287.790743] block nbd5: Could not allocate knbd recv work queue. [ 287.808549] block nbd5: shutting down sockets 08:20:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r1, 0xc0505405, &(0x7f00000000c0)={{0x0, 0x0, 0xd52, 0x2, 0x78b}, 0x800, 0x0, 0x9}) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0xfffffffffffffffe, 0x6, {0x5}}, 0x18) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet_buf(r2, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r1, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 287.818885] FAT-fs (loop2): bogus number of reserved sectors [ 287.831408] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:51 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfcfdffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 287.934797] EXT4-fs (loop1): unable to read superblock [ 287.945786] block nbd0: Receive control failed (result -107) [ 287.952300] block nbd0: shutting down sockets 08:20:51 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet_buf(r2, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r1, 0x0, 0x0, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f0000000080)={0x43d, 0x7f3b, 0x4, 0x80000001, 0x3}, 0x14) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 287.992161] block nbd0: Receive control failed (result -107) [ 287.997068] EXT4-fs (loop1): unable to read superblock [ 288.000950] block nbd0: shutting down sockets 08:20:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6000000, 0x200}], 0x0, 0x0) [ 288.044138] block nbd5: Receive control failed (result -107) [ 288.054521] block nbd5: shutting down sockets 08:20:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) r5 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$VT_DISALLOCATE(r2, 0x5608) ioctl$NBD_DO_IT(r0, 0xab03) [ 288.145582] FAT-fs (loop2): bogus number of reserved sectors [ 288.152607] FAT-fs (loop2): Can't find a valid FAT filesystem [ 288.261832] EXT4-fs (loop1): unable to read superblock [ 288.272285] FAT-fs (loop2): bogus number of reserved sectors [ 288.280688] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r4 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 288.305657] block nbd0: Receive control failed (result -107) [ 288.312464] block nbd0: shutting down sockets [ 288.333707] block nbd0: Could not allocate knbd recv work queue. 08:20:52 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfdfdffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000600)='nl80211\x00') sendmsg$NL80211_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x20, r3, 0xb0343aabd1184b87, 0x0, 0x0, {}, [@NL80211_ATTR_WDEV={0xc}]}, 0x20}}, 0x0) sendmsg$NL80211_CMD_SET_REG(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x6c, r3, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NL80211_ATTR_REG_ALPHA2={0x7, 0x21, 'aa\x00'}, @NL80211_ATTR_REG_RULES={0xc, 0x22, 0x0, 0x1, [@NL80211_ATTR_FREQ_RANGE_START={0x8, 0x2, 0x1}]}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x1}, @NL80211_ATTR_REG_RULES={0xc, 0x22, 0x0, 0x1, [@NL80211_ATTR_POWER_RULE_MAX_EIRP={0x8, 0x6, 0x2}]}, @NL80211_ATTR_REG_RULES={0x14, 0x22, 0x0, 0x1, [@NL80211_ATTR_FREQ_RANGE_END={0x8, 0x3, 0x3}, @NL80211_ATTR_DFS_CAC_TIME={0x8, 0x7, 0x200}]}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x1}, @NL80211_ATTR_SOCKET_OWNER={0x4}, @NL80211_ATTR_REG_ALPHA2={0x7, 0x21, 'bb\x00'}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x4}]}, 0x6c}, 0x1, 0x0, 0x0, 0x11}, 0x20040080) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:52 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x7000000, 0x200}], 0x0, 0x0) [ 288.354973] EXT4-fs (loop1): unable to read superblock [ 288.362791] block nbd0: shutting down sockets 08:20:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) setsockopt$inet_buf(r3, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) socketpair(0x5, 0xa, 0x8, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) connect(r3, &(0x7f00000000c0)=@rxrpc=@in6={0x21, 0x4, 0x2, 0x1c, {0xa, 0x4e22, 0x7ff, @private0={0xfc, 0x0, [], 0x1}, 0x100}}, 0x80) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 288.500040] FAT-fs (loop2): bogus number of reserved sectors [ 288.507004] block nbd5: Receive control failed (result -107) [ 288.518972] block nbd5: shutting down sockets [ 288.519355] EXT4-fs (loop1): unable to read superblock [ 288.546043] FAT-fs (loop2): Can't find a valid FAT filesystem [ 288.556437] block nbd5: Receive control failed (result -107) [ 288.562792] block nbd5: shutting down sockets [ 288.576188] block nbd0: shutting down sockets [ 288.590213] EXT4-fs (loop1): unable to read superblock 08:20:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) ioctl$UI_BEGIN_FF_UPLOAD(r2, 0xc06855c8, &(0x7f0000000100)={0xa, 0x7, {0x56, 0xfffd, 0x8, {0x1000, 0x7}, {0x1, 0x7}, @ramp={0x2, 0x7f, {0x8, 0x3, 0x2, 0x2}}}, {0x53, 0x0, 0x0, {0x7fff, 0x7}, {0xfffe, 0x63}, @period={0x5b, 0xd20, 0x7, 0x9, 0x8000, {0x2, 0xfff, 0x8092, 0x7}, 0x3, &(0x7f00000000c0)=[0x7983, 0x5, 0x6]}}}) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dlm-monitor\x00', 0x400000, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x200642, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) ioctl$VIDIOC_QUERYCAP(r4, 0x80685600, &(0x7f00000001c0)) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_DO_IT(r3, 0xab03) 08:20:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) bind$vsock_stream(r2, &(0x7f0000000000)={0x28, 0x0, 0x0, @my=0x0}, 0x10) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet_buf(r2, 0x0, 0x10, &(0x7f0000000140)="7d00407300a6870111af82aae65591c920863ae1d5b472620f577643373a417a2ba7f8d3568ba2f8ab02289a9c84d26aabb6073347f6ab380d7346d47a49f637b567bea9376b5c4a8ab95b76b022abf2f0fc55f83336f9ee3a988857eca797809b9c2b81ef8619b0830c2c94ca1e7e4e80254fadf82c5703b4", 0x79) r3 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 288.605010] block nbd0: shutting down sockets 08:20:52 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x1f000000, 0x200}], 0x0, 0x0) [ 288.715257] FAT-fs (loop2): bogus number of reserved sectors [ 288.721223] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:52 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xfdffffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 288.789453] block nbd5: shutting down sockets [ 288.796742] block nbd0: Receive control failed (result -107) [ 288.805323] block nbd0: shutting down sockets [ 288.819022] block nbd0: Could not allocate knbd recv work queue. [ 288.826893] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 288.833043] block nbd5: shutting down sockets 08:20:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x400200, 0x0) [ 288.853311] block nbd0: shutting down sockets 08:20:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm_plock\x00', 0x800, 0x0) ioctl$EVIOCGABS20(r2, 0x80184560, &(0x7f0000000040)=""/6) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r5, 0x84, 0xc, &(0x7f00000001c0)=0x70d3, 0x4) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$VIDIOC_G_EXT_CTRLS(r3, 0xc0205647, &(0x7f0000000140)={0x990000, 0xfff, 0x1, r4, 0x0, &(0x7f0000000100)={0x990af5, 0x0, [], @p_u16=&(0x7f00000000c0)=0x32}}) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r6, 0x10e, 0x1, &(0x7f0000000180)=0xf, 0x4) [ 288.892830] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:52 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x20000000, 0x200}], 0x0, 0x0) 08:20:52 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 288.978141] FAT-fs (loop2): bogus number of reserved sectors [ 288.983991] FAT-fs (loop2): Can't find a valid FAT filesystem [ 289.023062] block nbd5: Receive control failed (result -107) [ 289.029892] block nbd5: shutting down sockets [ 289.045402] block nbd0: Receive control failed (result -107) [ 289.053039] block nbd0: shutting down sockets [ 289.055839] FAT-fs (loop2): bogus number of reserved sectors [ 289.063980] block nbd5: Receive control failed (result -107) 08:20:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x214480) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x1310c1, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$EXT4_IOC_GROUP_EXTEND(r2, 0x40086607, &(0x7f0000000080)=0x3) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) ioctl$EXT4_IOC_PRECACHE_EXTENTS(r3, 0x6612) [ 289.064182] FAT-fs (loop2): Can't find a valid FAT filesystem [ 289.080331] block nbd0: Receive control failed (result -107) [ 289.086963] block nbd5: shutting down sockets [ 289.088072] block nbd0: shutting down sockets [ 289.101379] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:52 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xff0f000000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:53 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x22000000, 0x200}], 0x0, 0x0) [ 289.223734] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setuid(0x0) r2 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setregid(0x0, r3) setgid(r3) r4 = gettid() tkill(r4, 0x16) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r5, 0x29, 0x22, &(0x7f0000001940)={{{@in=@multicast2, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@private}, 0x0, @in=@empty}}, &(0x7f0000001a40)=0xe8) r7 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setregid(0x0, r8) setgid(r8) sendmsg$netlink(r1, &(0x7f0000001b00)={&(0x7f0000000000)=@proc={0x10, 0x0, 0x25dfdbfd, 0x10520}, 0xc, &(0x7f0000001900)=[{&(0x7f00000000c0)={0x54, 0x39, 0x200, 0x70bd28, 0x25dfdbfc, "", [@typed={0xe, 0x8a, 0x0, 0x0, @str='/dev/nbd#\x00'}, @generic="fc84e47b7cce388cb59446228237d07783e76947ea2d5bd63d2e80782b7d0e2892ab3643195ffa54", @typed={0xc, 0x7, 0x0, 0x0, @u64=0x4}]}, 0x54}, {&(0x7f0000000140)={0x178c, 0x2f, 0x300, 0x70bd29, 0x25dfdbfc, "", [@generic="1191b88142d156524fe4de091c10d805f33c59b59385b0766905acd1fcfa59fb33dd6372ecb6391f122f64869ae16271ba3a73c81213d783c2be12fd09122163dbd3e85569f82097b0395e9705e3160b65ec0b0d14ca053335d7e0446b99750dca65d4ac2cc554f3f98893b119418050cfb8d82f67d7f19ec8af986b27bd9bccbdaf410ae428caf9b262a8b8b49d574c43a26599085b77fbd266b668b573d25dc11d40f1a4277d090ef08016785899f3dbf86d21d3d123b6abd9aecf130c455faf1ae07837c6077640554a991257afaf36a72dd9002d00930d126fcab3479fd95d31ee400699806bd3b6a8baee269bfb152ea5a2", @nested={0x3f5, 0x86, 0x0, 0x1, [@generic="68a42d218d4e19013c615d66aa76db6fb8ee46d13ddfccfec309c3db69f20a9a5b939ac5e2a033922e1b8a80aa30c564d497b027310d5d8fe6835a077e17296c3dc62da59db48d1368546c476c8ade85f68b4115a2fe3f7c781b96cd58bfe565971a089106c5058e748d4c63be0ce60a2010c1e5fa629662db84c11ad2a9fc0f4e3852b0010d0c6b4716238c55de8afb844b22a98c32b27283c1039c144989a074a59c990e", @generic="ec8610505fdf2596f17a021ccd20226ce9de491865fa67307c852e7b35c47bf97b5e8b5fdc31841efb56bfe570526fa8c92e8260a6fadea45370de7936e8d2923686a0bb62ef88ae7748f896b76fc7cbbb247e8a922388db97d833fae349c6958b85bb", @typed={0xb9, 0x18, 0x0, 0x0, @binary="d4709b390cd8e14d14bec69c13c58400bd58f87bd2315587a03624fa56e8e38f747ac00fc98c4c181ed706a53b0a77f5248e666e5a1f949f3e973852b47d815711a4cb1a779c7232ae17d3968744c258745592cb5df99fea6998ea59d374be248c767cf879391e5fb866e23efd7334d2b19cb6750be948b4b30b6dc989ac1ac215e58f2e0528209667ffeed75733771385524a22bc209aa1f75f940660b1aaadd94c0e99c36754bcf9543260564faf499274166671"}, @generic="00355e5ee20cb519c22bf7f7879acd51dcaa98c9c9991c695a2bd73b1544512be7f6d577819160ce659c3c0871d5c1e6709488e93bdeedd0d9aba59502ebbc7bb6904655ceb56c7c4065348be25859df608d81a91a7cdbe7dc8e5772f3a4c36dfc44419e842ebeeb068e41fb09cf3f0f822b4428ea28f4e593c671463a3fbad31bd3e0ad3700bb0bf940224f99d3e3ffdd7fd60ad07012e02c78dd46e90e1dcfc1dd5981a22472199b8f396391f403f47ef398575e571ea4", @generic="e44e251c3b79ee25a54130408339d0136760de1f4934f62e4ace50284ee39b4d95ab74edf679186dd6755301cb65b98a785a875df6af0ff1b770b368c09ce6272561a3037543223c4912e0f5509a288b44a42fb6c8f152e65f6bef77fc2fe5b84dd51195519cfe5425fb7b0c9f2b5dc7ec849fe4c6d0848fe4be5cf54d5575ed9ce8966bb26172b155095e4bd6af23c30a8f6a1b3901e40b7b1949afe8dbcbc410bd677655361f72f2fb8a24a4165feffd6cd24917dedbbd778657c0f472a649a4eb917eb6587ac2fc98b1f3af0a11500369c21a52ab4fcec4f6fd954691b50f6e64198457a00e638bde400c4bed05592b5ba7d4bae387615a", @typed={0x8, 0x2, 0x0, 0x0, @ipv4=@rand_addr=0x64010100}, @typed={0x14, 0x74, 0x0, 0x0, @ipv6=@local}, @generic="64b2a6f71672feb178865b731b43c67f0d7f43c347847dbddbc54acbe5cc295f5874e1f272b6ca23cd1643e630603ad60486dec8854273b7560ffaaf966a5c837040f8b09d7f529d6ca874517ea60258064eb5d5006ca9d0", @typed={0x8, 0x72, 0x0, 0x0, @ipv4=@multicast1}]}, @generic="be0b6b8f10bccaa9953cc8cc09b022fae87e74b248211ef5b10a221b6f5f42ee87cf627113d2c24bab8ab852ffcee83c8b18f47fcfed9a0441bdfd310d", @nested={0xcc, 0x2f, 0x0, 0x1, [@typed={0x8, 0x40, 0x0, 0x0, @pid}, @typed={0x8, 0x50, 0x0, 0x0, @u32=0xfdb5}, @generic="e5dc22a829144b59946b7725fd3cc54c22fd1c68361cf2e54096361236144c071f5e194787bc71f5b8dc3aa64e63867bb35bb2a5dda7cae1f9c773ae22a6a7beb9102c55571bdbef5f4d69856d54dfa6aa070281507b2cb2f860298642a1c528f7a299cfbdf4443f510b8b7184fb7f38fabf4babb3623ae0c5fbb8f77e5fbfe0fcbce323721c9a813746c5cea53b46b838eb0bcd1c28082487c03903a0de30affb8dad371b29e98e9a53d2f0ff09be3e6dcde187d8d16583"]}, @nested={0x1182, 0x61, 0x0, 0x1, [@generic="553edf637230fc904e84f6817c602d52a9270b3b88ac43f5e56b97efae944c6c4bee4f", @typed={0x8, 0x66, 0x0, 0x0, @fd}, @generic="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", @generic="c1b43bf9104c9495aec8dbc5b85998f6684b8cd25bba3404d50238d55930cb2399028442365c4f344dd3f14d01b90b747126a62d6f0ad23f000f3182298ce4436f6e2b8bb465b71afc5cc1b10da196783132ec766633e02a723fe997ccc8d21875cdb4549ca63fe7d8ae204a5c511dd1f1b433667278daf1dafbb9dcccb8de076c156259422f3d5e6ea2c4e2113de916891300e4b3502c030d38", @generic="0f4bc05aa42d1f7b264063d338017aa2e00d49036bb3d4e417b55074a942fda3b3f46336e0c9d7beca72355d9b270f7dda4ab30aa961ab985857486e5085686b27d10bc02406daf45d1abd354661a77bf3a9efd92483743b68f1a29f99cec74eb4a054afac73e60659d80419c3c5af969ad7a9d826bd70f1374453476530b25baf85e85b5df9e41f389b82b59d5d6b18ae6c81ba570582857ccbf11179f87ff0da4276c8fa14c20dbc2247f62413bec49c", @typed={0x8, 0x44, 0x0, 0x0, @ipv4=@broadcast}]}]}, 0x178c}], 0x2, &(0x7f0000001a80)=[@cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, r3}}}, @cred={{0x1c, 0x1, 0x2, {r4, r6, r8}}}], 0x60, 0x4000002}, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 289.288687] FAT-fs (loop2): bogus number of reserved sectors [ 289.305445] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:53 executing program 5: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000480)='cifs.idmap\x00', &(0x7f00000000c0)=@secondary='builtin_and_secondary_trusted\x00') r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) write$char_usb(r1, &(0x7f0000000340)="d904a7614355465432e35aeca787f257b6abbb444ae0d4ae806c0b0183a42053ee002f9816d22c8c385ea43bf5261173181448b6b20df5e586547895b763fa919b11e1bfcc1b8168080ccbdcaae90bc4c1d95b1a59aad58f51acb3c0b1ae64dd8de959e91d7f45432525277a009f972c6a01eeb1e074d4ff61b83bf087fb27d97c0b2b87cde304c3679868b64e749755b7c0dbff79d1d5711cea302592cb871d75672374323fdf6a0cc6ce03746afd42b2a4212f74df076fb4c47e3605ea39052d25", 0xc2) keyctl$revoke(0x3, r0) r2 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x248800) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$vim2m_VIDIOC_S_FMT(r4, 0xc0d05605, &(0x7f0000000840)={0x1, @pix={0x8b, 0x4442, 0x20343059, 0x7, 0x800, 0x4, 0x4, 0x8, 0x0, 0x2, 0x0, 0x7}}) read$char_usb(r3, &(0x7f0000000100)=""/127, 0x7f) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) syz_mount_image$vfat(&(0x7f0000000440)='vfat\x00', &(0x7f00000004c0)='./file0\x00', 0x4, 0x5, &(0x7f0000000780)=[{&(0x7f0000000500)="21f07763700f5411152dcd1f01b2bb191cd529f037fc40aa2102a6f83099358dc66484f13e880c0fbfb038bf8e6c13a7c614fb0e47e2cdcaa5dfb3340b6cfa75976741de1925fd0bd3550e1702f0f0", 0x4f, 0xd0}, {&(0x7f0000000580)="f39622f418265947ec226440ee21b76cdc0d87d5561b73eba1b82e328c446dfa669b566389420cdc070c1f275fb677c5a577bc5102e454ae6cebf31061dd6491192fc534697894c6765eab5d8786cf94882748af94720f73b1ef36108318c38deafb815acda35f3c9f2068b165b6447fd4ab400ad6c82c7b5b4e4de060c1d9ab7663a25ea46bfaf8777555c8e0cc87b2f8d896b2ae4424879976f744705ac8c00cc41c62634375b37e2fa684598671f77c2d0193f81fe539fa6f054079a6569eda6705a4081c10de668f226842a12005cc44875d4245", 0xd6, 0x4}, {&(0x7f0000000680)="5ed9f67e583b3d38324be39748864c2da5f5c9d0670c6cffd59fd3aeeffb341e0899b53aee52a9151abff35dab72adf941e4986d", 0x34, 0x8001}, {&(0x7f00000006c0)="3009e78edaeb22e0d4e2f1b6d05013d369be66316f03caba4f1f2b91f26851f127cfd8af1280b247e95b46daec49dae724c0675dd7927dfaa172c3ea13244d22edcb74f01fa76eba612882aadf74d4cf4054b3dde032f554df90c262dd76034ccdacef1923a239fedc7fd79e210f9394a15dd225", 0x74, 0x9f1}, {&(0x7f0000000740)="bec32a4a7f9a69ac264172c2df5920bdc0aa1b3a7acb36cdc40677265e", 0x1d, 0x4}], 0xc0014, &(0x7f0000000800)=ANY=[@ANYBLOB="6e6e6f6e756d7461696c3d312c646f6e745f686173682c646f6e745f687473682c686173682c636f6e7f6578743d726f6f742c00"]) sendmmsg(r5, 0x0, 0x0, 0x0) ioctl$KVM_SET_GSI_ROUTING(r5, 0x4008ae6a, &(0x7f00000001c0)={0x7, 0x0, [{0x1, 0x2, 0x0, 0x0, @irqchip={0x100, 0x2}}, {0x8384, 0x1, 0x0, 0x0, @adapter={0x1, 0x9, 0xffffffff, 0x4da5, 0xdf}}, {0x3, 0x4, 0x0, 0x0, @adapter={0x6, 0x0, 0x4000000000, 0x0, 0xf0f}}, {0x80000000, 0x4, 0x0, 0x0, @msi={0x0, 0x1, 0x9, 0x23}}, {0x4, 0x1, 0x0, 0x0, @adapter={0xed13, 0x9, 0xf3, 0x3, 0xffffa259}}, {0x80000001, 0x4, 0x0, 0x0, @irqchip={0x4, 0x8000}}, {0xffffff80, 0x1, 0x0, 0x0, @sint={0x9, 0x5}}]}) r6 = socket(0x6, 0x80000, 0x1) ioctl$NBD_SET_SOCK(r2, 0xab00, r6) ioctl$NBD_DO_IT(r2, 0xab03) 08:20:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 289.353668] FAT-fs (loop2): bogus number of reserved sectors [ 289.363010] FAT-fs (loop2): Can't find a valid FAT filesystem [ 289.373389] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:53 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffff1f0000000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:53 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x2c000000, 0x200}], 0x0, 0x0) [ 289.518053] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 289.599290] FAT-fs (loop2): bogus number of reserved sectors [ 289.620891] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x6) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r2, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000040)={r3}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000100)={r3, 0x0, 0x4, 0x4, 0x8, 0x9}, &(0x7f0000000140)=0x14) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000180)={r4, 0x7}, &(0x7f00000001c0)=0x8) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/autofs\x00', 0x480, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) r6 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r6, 0xc00464af, &(0x7f0000000040)) ioctl$RTC_SET_TIME(r6, 0x4024700a, &(0x7f0000000040)={0x14, 0xf, 0x0, 0x6, 0x4, 0x0, 0x4, 0x7d, 0x1}) ioctl$NBD_DO_IT(r0, 0xab03) syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x315080) 08:20:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 289.715064] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 289.719897] FAT-fs (loop2): bogus number of reserved sectors [ 289.729187] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:53 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffffff7f00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:53 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x3f000000, 0x200}], 0x0, 0x0) [ 289.840498] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:53 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 289.988424] FAT-fs (loop2): bogus number of reserved sectors [ 290.015752] FAT-fs (loop2): Can't find a valid FAT filesystem [ 290.120100] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 290.125288] FAT-fs (loop2): bogus number of reserved sectors [ 290.132132] FAT-fs (loop2): Can't find a valid FAT filesystem [ 290.227326] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x4000, 0x0) getsockname$packet(r2, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f00000000c0)=0x14) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:56 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffffffff00000000, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x40000000, 0x200}], 0x0, 0x0) 08:20:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) r3 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_TOL(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x808000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r3, 0x100, 0x70bd25, 0x25dfdbfb, {{}, {}, {0x4c, 0x18, {0x20, @media='ib\x00'}}}, ["", "", "", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x10}, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x400000, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r4, 0x0, 0x0, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x37, &(0x7f0000000280)=@routing={0x3c, 0xc, 0x2, 0x59, 0x0, [@private1={0xfc, 0x1, [], 0x1}, @mcast2, @remote, @rand_addr=' \x01\x00', @remote, @private2]}, 0x68) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000400)=ANY=[@ANYBLOB="98030000232a48bc3fb660fc2f954a87d3dfd4889e0bfdfe25027f0d9a98a0eed2087719c98e9f56122307f95b929ad07e6e3367a19f5c121e891d1ee18f1315c63e71c04a450bf591b25f149601147951e449bf75db2476c44178d24a809c729394404475deb779165655b9172e1b04000000bdc5ce1f78e4ef7137cded01c2dc3f1ded3485128659f14a03220fdce0c49909234f7eb25f2badd0612dc8ae5187160000", @ANYRES32=0x0], &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040)={r5}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f0000000200)={r5, 0x5, 0x3f, 0xe0, 0x5, 0x4}, &(0x7f0000000240)=0x14) syz_open_dev$ndb(&(0x7f0000000300)='/dev/nbd#\x00', 0x0, 0x0) r6 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x761c01, 0x0) sendmmsg(r6, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) 08:20:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_MODE_RMFB(0xffffffffffffffff, 0xc00464af, &(0x7f0000000040)) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000000)={0xe0, 0x0, 0x2, 0x4}) ioctl$DRM_IOCTL_SG_ALLOC(r1, 0xc0106438, &(0x7f00000000c0)={0x7, r2}) r3 = socket(0x2c, 0x1, 0x0) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r4, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) [ 292.389737] block nbd0: shutting down sockets 08:20:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x26, 0x1, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 292.442976] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 292.457283] block nbd5: shutting down sockets [ 292.479159] FAT-fs (loop2): bogus number of reserved sectors 08:20:56 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) 08:20:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 292.496707] FAT-fs (loop2): Can't find a valid FAT filesystem [ 292.503685] block nbd0: Receive control failed (result -107) [ 292.513234] block nbd0: shutting down sockets [ 292.517872] block nbd5: shutting down sockets 08:20:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$VIDIOC_G_EXT_CTRLS(0xffffffffffffffff, 0xc0205647, &(0x7f00000000c0)={0x4, 0x5, 0x5, r0, 0x0, &(0x7f0000000040)={0x98091d, 0x9, [], @p_u32=&(0x7f0000000000)=0x7}}) ioctl$KVM_GET_SUPPORTED_CPUID(r2, 0xc008ae05, &(0x7f0000000100)=""/20) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 292.551436] block nbd0: Receive control failed (result -107) [ 292.561128] block nbd0: shutting down sockets 08:20:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) syz_genetlink_get_family_id$SEG6(&(0x7f0000000000)='SEG6\x00') ioctl$NBD_DO_IT(r0, 0xab03) 08:20:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 292.605472] FAT-fs (loop2): bogus number of reserved sectors [ 292.605705] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 292.611450] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x48000000, 0x200}], 0x0, 0x0) [ 292.683276] block nbd5: Receive control failed (result -107) [ 292.690016] block nbd5: shutting down sockets [ 292.692206] block nbd4: Device being setup by another task [ 292.722974] block nbd5: Receive control failed (result -107) 08:20:56 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffffffffffff0700, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x2f0200) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) signalfd(r2, &(0x7f0000000000)={[0xfffffffffffffe0c]}, 0x8) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$PPPIOCSFLAGS1(r2, 0x40047459, &(0x7f0000000040)=0x1000000) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r3, 0xc00464af, &(0x7f0000000040)) fcntl$dupfd(r3, 0x406, r2) socket$bt_rfcomm(0x1f, 0x3, 0x3) bind$l2tp6(r1, &(0x7f0000000000)={0xa, 0x0, 0x25e, @remote, 0x8}, 0x20) syz_genetlink_get_family_id$gtp(&(0x7f00000000c0)='gtp\x00') 08:20:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$SIOCNRDECOBS(r2, 0x89e2) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 292.730154] block nbd5: shutting down sockets [ 292.733403] block nbd0: Device being setup by another task [ 292.741164] block nbd4: Device being setup by another task [ 292.751835] block nbd0: shutting down sockets [ 292.860966] block nbd0: Receive control failed (result -107) [ 292.865360] block nbd4: Device being setup by another task [ 292.887139] block nbd4: Device being setup by another task [ 292.890129] block nbd0: shutting down sockets [ 292.904439] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$KVM_CHECK_EXTENSION(r1, 0xae03, 0x3) r2 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 08:20:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_PAUSE(r2, 0x40044145, &(0x7f0000000000)=0xffffff00) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@private, @in6=@empty}}, {{@in=@remote}, 0x0, @in=@local}}, &(0x7f0000000040)=0xe8) [ 292.908096] block nbd0: Could not allocate knbd recv work queue. [ 292.919514] FAT-fs (loop2): bogus number of reserved sectors [ 292.926261] block nbd0: shutting down sockets [ 292.940891] FAT-fs (loop2): Can't find a valid FAT filesystem [ 292.975564] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 292.999485] block nbd4: Device being setup by another task 08:20:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x4c000000, 0x200}], 0x0, 0x0) 08:20:56 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 293.098970] FAT-fs (loop2): bogus number of reserved sectors [ 293.111402] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:57 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffffffffffffff7f, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 293.151261] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 293.176838] block nbd0: Receive control failed (result -107) [ 293.183353] block nbd0: shutting down sockets [ 293.213193] block nbd0: Receive control failed (result -107) [ 293.229836] block nbd0: shutting down sockets 08:20:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000000)=0x1000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:57 executing program 3: setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:57 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x60000000, 0x200}], 0x0, 0x0) [ 293.269463] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x282200) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000009c0)='/dev/loop-control\x00', 0x0, 0x0) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) fsetxattr$trusted_overlay_redirect(r2, &(0x7f0000000140)='trusted.overlay.redirect\x00', &(0x7f0000000180)='./file0\x00', 0x8, 0x3) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000009c0)='/dev/loop-control\x00', 0x0, 0x0) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) fsetxattr$trusted_overlay_redirect(r4, &(0x7f0000000140)='trusted.overlay.redirect\x00', &(0x7f0000000180)='./file0\x00', 0x8, 0x3) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) ioctl$LOOP_CTL_ADD(r1, 0x4c80, r5) r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ocfs2_control\x00', 0x58200, 0x0) openat$cgroup_ro(r6, &(0x7f00000000c0)='cpuacct.usage_all\x00', 0x0, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c80, r3) 08:20:57 executing program 3: setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$PPPOEIOCDFWD(r2, 0xb101, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 293.527454] block nbd0: Receive control failed (result -107) [ 293.534305] block nbd0: shutting down sockets [ 293.545728] block nbd0: Could not allocate knbd recv work queue. [ 293.552269] block nbd0: shutting down sockets 08:20:57 executing program 3: setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 293.620648] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 293.654394] block nbd0: Receive control failed (result -107) [ 293.660869] block nbd0: shutting down sockets 08:20:57 executing program 3: r0 = socket$inet6(0xa, 0x0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 293.683252] block nbd0: Could not allocate knbd recv work queue. [ 293.702060] FAT-fs (loop2): bogus number of reserved sectors [ 293.713686] FAT-fs (loop2): Can't find a valid FAT filesystem [ 293.728759] block nbd0: shutting down sockets 08:20:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) r3 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) getpeername$packet(r5, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0xa) ioctl$sock_inet6_SIOCADDRT(r3, 0x890b, &(0x7f0000000240)={@empty, @ipv4={[0x0, 0x0, 0x8], [], @multicast1}, @initdev={0xfe, 0x88, [0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x7], 0x0, 0x0}, 0x0, 0x1, 0x0, 0x0, 0x7, 0x24c20082, r6}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000000c0)={{{@in6=@private1, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@private1}, 0x0, @in=@remote}}, &(0x7f0000000000)=0xe8) prctl$PR_GET_NAME(0x10, &(0x7f00000002c0)=""/193) setsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@private=0xa010101, @in=@multicast1, 0x4e21, 0x52, 0x4e24, 0x1, 0x2, 0x0, 0x20, 0x6, r6, r7}, {0x7fffffff, 0x0, 0x7, 0xa14, 0x10001, 0x7fff, 0x4, 0x7}, {0x10001, 0x3, 0x7, 0x7}, 0x3, 0x6e6bbc, 0x1, 0x0, 0x2, 0x1}, {{@in6=@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x4d4, 0x32}, 0x2, @in6=@empty, 0x0, 0x3, 0x0, 0x7, 0x8, 0x3, 0x39}}, 0xe8) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 293.730794] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:57 executing program 3: r0 = socket$inet6(0xa, 0x0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:57 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x68000000, 0x200}], 0x0, 0x0) 08:20:57 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) fsetxattr$trusted_overlay_origin(r2, &(0x7f0000000000)='trusted.overlay.origin\x00', &(0x7f0000000040)='y\x00', 0x2, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$VT_WAITACTIVE(r2, 0x5607) r3 = openat$vcsu(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsu\x00', 0x100, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000400)='IPVS\x00') sendmsg$IPVS_CMD_NEW_SERVICE(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000380)={0x20, r5, 0x1, 0x0, 0x0, {0x2}, [@IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6}]}]}, 0x20}}, 0x0) sendmsg$IPVS_CMD_NEW_SERVICE(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r5, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0x1c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x6}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x101}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xcc}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20040004) ioctl$NBD_DO_IT(r0, 0xab03) [ 293.831044] block nbd4: Device being setup by another task [ 293.843427] FAT-fs (loop2): bogus number of reserved sectors [ 293.849574] FAT-fs (loop2): Can't find a valid FAT filesystem [ 293.893978] block nbd4: Device being setup by another task [ 293.912075] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:57 executing program 3: r0 = socket$inet6(0xa, 0x0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:57 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6b6b6b00, 0x200}], 0x0, 0x0) [ 294.035824] block nbd0: Receive control failed (result -107) [ 294.075216] block nbd0: Device being setup by another task [ 294.126560] FAT-fs (loop2): bogus number of reserved sectors [ 294.132710] FAT-fs (loop2): Can't find a valid FAT filesystem [ 294.150884] block nbd0: shutting down sockets [ 294.158710] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) accept$inet(r1, &(0x7f0000000040)={0x2, 0x0, @initdev}, &(0x7f00000000c0)=0x10) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3, 0x0) 08:20:58 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x2, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 294.272676] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 294.325981] block nbd0: Receive control failed (result -107) [ 294.333064] block nbd0: shutting down sockets [ 294.353240] block nbd0: Receive control failed (result -107) 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x6c000000, 0x200}], 0x0, 0x0) [ 294.391084] block nbd0: shutting down sockets 08:20:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1f, 0x4, 0x8000) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x400000, 0x0) ioctl$RTC_PLL_SET(r2, 0x40207012, &(0x7f0000000040)={0x69, 0x3, 0xdcc, 0x1ce, 0x4, 0x0, 0xae94}) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 294.450936] FAT-fs (loop2): bogus number of reserved sectors [ 294.470025] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) shmctl$IPC_INFO(0xffffffffffffffff, 0x3, &(0x7f0000000000)=""/25) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 294.549648] FAT-fs (loop2): bogus number of reserved sectors [ 294.560322] FAT-fs (loop2): Can't find a valid FAT filesystem [ 294.564236] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x74000000, 0x200}], 0x0, 0x0) 08:20:58 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x3, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 294.702101] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 294.715036] block nbd0: Receive control failed (result -107) [ 294.732593] block nbd0: shutting down sockets [ 294.743460] block nbd0: Could not allocate knbd recv work queue. 08:20:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x7a000000, 0x200}], 0x0, 0x0) 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 294.755046] FAT-fs (loop2): bogus number of reserved sectors [ 294.772359] block nbd0: shutting down sockets [ 294.814134] FAT-fs (loop2): Can't find a valid FAT filesystem [ 294.824923] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 294.925451] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 294.925502] FAT-fs (loop2): bogus number of reserved sectors [ 294.950778] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x84c80200, 0x200}], 0x0, 0x0) 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, 0x0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:58 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x4, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, 0x0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 295.144445] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, 0x0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 295.207507] FAT-fs (loop2): bogus number of reserved sectors [ 295.219177] FAT-fs (loop2): Can't find a valid FAT filesystem [ 295.220637] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x869ebae0, 0x200}], 0x0, 0x0) 08:20:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x330401) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r2, 0x29, 0x37, &(0x7f0000000580), 0x8) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) r4 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f0000000380)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x227, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={'syz', 0x1}, &(0x7f0000000640)="610bd8036535c6e74f638d4717a60c5c1424603e7d75794e8a629b25aca00580483da59c5bcf7c843d08bdee595c17bbe0fcc1a904a961ac7cd3da192cdc820b9ca5252c07850704c8e19b6365dc99b439248fe530602608f8fa35a642c6215cc8045cbd65c7996de97bac8484e4f888b8efc0135cc01cb5b1", 0x79, 0xfffffffffffffffd) r6 = add_key(&(0x7f0000000200)='user\x00', &(0x7f0000000240)={'syz', 0x0}, &(0x7f0000000280)="cd", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f00000004c0)={r6, r4, r5}, 0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000480)={'wp512-generic\x00'}}) ioctl$FS_IOC_ADD_ENCRYPTION_KEY(r3, 0xc0506617, &(0x7f0000000000)={{0x0, 0x0, @reserved="8bc2100d47340b23733d96d30abb89e1e88c6874774a186f711e7e4dd34a3e2f"}, 0x5, r6, [], "92bc79ae68"}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f00000001c0)={0x1, [0x0]}, &(0x7f00000000c0)=0xfe10) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000000c0)={r7, @in6={{0xa, 0x4e21, 0x3, @mcast2, 0x10000}}}, 0x84) 08:20:59 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x5, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000), 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x8cffffff, 0x200}], 0x0, 0x0) [ 295.391446] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 295.407147] FAT-fs (loop2): bogus number of reserved sectors [ 295.427557] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000), 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 295.512490] FAT-fs (loop2): bogus number of reserved sectors [ 295.520792] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:59 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x6, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:20:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000), 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 295.618249] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:20:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0x97ffffff, 0x200}], 0x0, 0x0) 08:20:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 295.699889] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 295.713258] FAT-fs (loop2): bogus number of reserved sectors [ 295.727778] FAT-fs (loop2): Can't find a valid FAT filesystem 08:20:59 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:20:59 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x7, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 295.823060] FAT-fs (loop2): bogus number of reserved sectors [ 295.838245] FAT-fs (loop2): Can't find a valid FAT filesystem [ 295.959346] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 295.986554] FAT-fs (loop2): bogus number of reserved sectors [ 296.007057] FAT-fs (loop2): Can't find a valid FAT filesystem [ 296.105248] FAT-fs (loop2): bogus number of reserved sectors [ 296.121756] FAT-fs (loop2): Can't find a valid FAT filesystem 08:21:00 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x9, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:21:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xc0ed0000, 0x200}], 0x0, 0x0) 08:21:00 executing program 0: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r1, 0xc00464af, &(0x7f0000000040)) ioctl$EVIOCGMASK(r1, 0x80104592, &(0x7f0000001180)={0x12, 0x1000, &(0x7f0000000180)="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"}) ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f0000000100)={0x0, {0x2, 0x4e20, @rand_addr=0x5}, {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x24}}, {0x2, 0x4e20, @private=0xa010101}, 0x104, 0x0, 0x0, 0x0, 0x81, 0x0, 0x5, 0x7ff, 0x1}) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000040)) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r2, 0x84, 0x65, &(0x7f00000000c0)=[@in={0x2, 0x4e22, @broadcast}, @in6={0xa, 0x4e20, 0x2, @dev={0xfe, 0x80, [], 0x3f}, 0x200fe}, @in={0x2, 0x4e21, @empty}], 0x3c) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r4 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) ioctl$SIOCGETLINKNAME(r5, 0x89e0, &(0x7f0000000000)={0x2, 0x2}) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040), &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f00000011c0)={0x0, 0x88, "89fcadc3661425ad5a11c67b1e9194e92451a24127e624fc1985502bf49fc37d33116b261f7b130ff1ead6894022fe74bf00a2ed785ca8b8237becef3e2614a0c27fc479a4598fcf57190b3eca37267e515a2b1e070b75aa0abf834c9786df67770569b923185d1f33cab2d5e63374e4c978230070be95f82cd24eb1967474de81e9af7cad766e8c"}, &(0x7f0000001280)=0x90) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f00000012c0)={r6, @in={{0x2, 0x4e22, @local}}, 0xb078, 0x9, 0x9, 0x4, 0x80, 0x45, 0x4}, 0x9c) 08:21:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xcc080000, 0x200}], 0x0, 0x0) [ 296.379614] FAT-fs (loop2): bogus number of reserved sectors [ 296.396709] FAT-fs (loop2): Can't find a valid FAT filesystem [ 296.405587] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 296.505145] block nbd0: Receive control failed (result -107) [ 296.512493] block nbd0: shutting down sockets [ 296.540879] FAT-fs (loop2): bogus number of reserved sectors [ 296.546920] FAT-fs (loop2): Can't find a valid FAT filesystem 08:21:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:00 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0xe, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 296.565895] block nbd0: Receive control failed (result -107) [ 296.566068] block nbd0: shutting down sockets 08:21:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x3, 0xfffffffc) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:21:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xcd080000, 0x200}], 0x0, 0x0) 08:21:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, 0x0, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 296.622358] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:21:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r2, &(0x7f0000002d80), 0x4000000000006b9, 0x1a002, &(0x7f0000000180)={0x77359400}) sendmsg$TIPC_NL_LINK_RESET_STATS(0xffffffffffffffff, 0x0, 0x0) write(0xffffffffffffffff, 0x0, 0x0) sendmsg$nl_generic(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=ANY=[@ANYBLOB="1100000042000506"], 0x14}}, 0x0) r3 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r3, 0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000000)={0x2, [0x0, 0x0]}, &(0x7f0000000040)=0xc) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f00000000c0)={r4, 0x7ff, 0x7fff, 0x4b, 0x9}, &(0x7f0000000100)=0x14) ioctl$NBD_DO_IT(r0, 0xab03) 08:21:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, 0x0, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 296.727221] FAT-fs (loop2): bogus number of reserved sectors [ 296.737855] FAT-fs (loop2): Can't find a valid FAT filesystem [ 296.823160] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 296.830303] FAT-fs (loop2): bogus number of reserved sectors [ 296.838599] FAT-fs (loop2): Can't find a valid FAT filesystem 08:21:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, 0x0, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xd7030000, 0x200}], 0x0, 0x0) [ 296.885666] block nbd0: Receive control failed (result -107) 08:21:00 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x22, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:21:00 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100), 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 297.029988] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:21:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xd8030000, 0x200}], 0x0, 0x0) [ 297.085143] FAT-fs (loop2): bogus number of reserved sectors [ 297.107093] block nbd0: shutting down sockets [ 297.119205] FAT-fs (loop2): Can't find a valid FAT filesystem 08:21:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100), 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x6, 0x3) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:21:01 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x23, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 297.251269] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:21:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100), 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 297.343821] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:21:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xd9030000, 0x200}], 0x0, 0x0) [ 297.416298] FAT-fs (loop2): bogus number of reserved sectors [ 297.428465] FAT-fs (loop2): Can't find a valid FAT filesystem 08:21:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 297.510283] FAT-fs (loop2): bogus number of reserved sectors [ 297.516370] FAT-fs (loop2): Can't find a valid FAT filesystem [ 297.527833] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:21:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xda030000, 0x200}], 0x0, 0x0) 08:21:01 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x2c, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:21:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) r3 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000200)='TIPCv2\x00') sendmsg$TIPC_NL_MON_SET(r1, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x4c, r3, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@TIPC_NLA_SOCK={0x38, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_REF={0x8, 0x2, 0x7}, @TIPC_NLA_SOCK_CON={0x14, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_FLAG={0x8, 0x1, 0x1}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x22e}]}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x8f7}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x1}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x7}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40400c0}, 0x404) sendmmsg(r2, 0x0, 0x0, 0x0) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet6_opts(r4, 0x29, 0x37, &(0x7f0000000580), 0x8) r5 = syz_open_dev$mouse(&(0x7f0000000340)='/dev/input/mouse#\x00', 0x7f, 0x400) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000380)={0xffffffffffffffff}, 0x106, 0x3}}, 0x20) write$RDMA_USER_CM_CMD_REJECT(r5, &(0x7f0000000400)={0x9, 0x108, 0xfa00, {r6, 0x7, "cc1cb6", "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"}}, 0x110) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="01000020", @ANYRES32=0x0], &(0x7f00000000c0)=0xfe10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x66, &(0x7f0000000040)={r7}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r2, 0x84, 0x1b, &(0x7f00000000c0)={r7, 0x91, "2d5ac0192e743511b845c26ccd6e600382373b1e24a7d47ab38d95ca4d47214e56b80c8c12b308d3718032821ddf6d313f84cea405b118226539cb53a4ffa7ec654b2d7317e5a17ed33fbbb93d37b5884e197a679ee564cf9c5c5085da54db08ccebae4c607eef2ab629c9adf8aafbc2f4119794228c45d3b66131b6c3b89de47d4e216b374b4e52d7ce89b08b35ddfdad"}, &(0x7f0000000000)=0x99) ioctl$NBD_DO_IT(r0, 0xab03) 08:21:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 297.749889] FAT-fs (loop2): bogus number of reserved sectors [ 297.783894] FAT-fs (loop2): Can't find a valid FAT filesystem [ 297.791021] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:21:01 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x48, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:21:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x420000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) 08:21:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 297.878105] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 297.895847] block nbd0: shutting down sockets 08:21:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xe0ba9e86, 0x200}], 0x0, 0x0) 08:21:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0xfffffffffffffe26) ioctl$NBD_DO_IT(r0, 0xab03) 08:21:01 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 298.010686] FAT-fs (loop2): bogus number of reserved sectors [ 298.030166] FAT-fs (loop2): Can't find a valid FAT filesystem [ 298.051514] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 298.094658] block nbd0: Receive control failed (result -107) [ 298.106895] block nbd0: Device being setup by another task [ 298.132323] FAT-fs (loop2): bogus number of reserved sectors [ 298.138337] block nbd0: shutting down sockets 08:21:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xf6ffffff, 0x200}], 0x0, 0x0) 08:21:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$KVM_SET_TSS_ADDR(r2, 0xae47, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 298.144134] FAT-fs (loop2): Can't find a valid FAT filesystem 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:02 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x4c, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0), 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 298.266987] block nbd0: Receive control failed (result -107) [ 298.273389] block nbd0: shutting down sockets [ 298.297358] block nbd0: Could not allocate knbd recv work queue. [ 298.304264] block nbd0: shutting down sockets 08:21:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r2, 0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) sendmsg$AUDIT_TTY_GET(r2, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x3f8, 0x400, 0x70bd26, 0x25dfdbfc, "", ["", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x800}, 0xc4) ioctl$NBD_DO_IT(r0, 0xab03) [ 298.348073] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 298.403028] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0), 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xfbffffff, 0x200}], 0x0, 0x0) [ 298.475182] FAT-fs (loop2): bogus number of reserved sectors [ 298.510727] FAT-fs (loop2): Can't find a valid FAT filesystem 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0), 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:02 executing program 5: r0 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) r1 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r1, 0x0, 0x0, 0x0) ioctl$VIDIOC_TRY_EXT_CTRLS(0xffffffffffffffff, 0xc0205649, &(0x7f00000001c0)={0xf3f0000, 0x9, 0x1, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x990a94, 0x1, [], @p_u16=&(0x7f0000000100)=0x5}}) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r1, 0xc02064b2, &(0x7f0000000140)={0x37b, 0x20, 0x4, 0x0, 0x0}) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r2, 0xc02064b2, &(0x7f0000000180)={0x5cb516a4, 0x1ff, 0x1, 0xfa0, r3}) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000000)={{0x2, 0x4e23, @broadcast}, {0x1, @random="51d55ebbe8fc"}, 0x0, {0x2, 0x4e23, @loopback}, 'team_slave_0\x00'}) 08:21:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$inet6_udp_int(r1, 0x11, 0xb, &(0x7f0000000040), &(0x7f00000000c0)=0x4) ioctl$NBD_DO_IT(r0, 0xab03) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r1, 0x84, 0x15, &(0x7f0000000000)={0x1f}, 0x1) 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x80000, 0x7a9a) r2 = socket$inet6(0xa, 0x2, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r2, 0x29, 0x40, &(0x7f0000000ac0)=@raw={'raw\x00', 0x3c1, 0x3, 0x2f0, 0x0, 0x130, 0x88020000, 0x130, 0x130, 0x220, 0x220, 0x220, 0x220, 0x220, 0x3, 0x0, {[{{@uncond=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x26, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0x0, 0x110, 0x130, 0x0, {}, [@common=@unspec=@connlimit={{0x40, 'connlimit\x00'}}, @common=@inet=@set2={{0x28, 'set\x00'}}]}, @unspec=@NOTRACK={0x20, 'NOTRACK\x00'}}, {{@uncond, 0x0, 0xa8, 0xf0}, @unspec=@CT0={0x48, 'CT\x00', 0x0, {0x0, 0x0, 0x0, 0x0, 'pptp\x00'}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x350) r3 = creat(&(0x7f0000000700)='./bus\x00', 0x0) ftruncate(r3, 0x0) r4 = dup2(r2, r3) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="5ce6ff00", @ANYRES16=r5, @ANYBLOB="080027bd7000fbdbdf25010000000500010000000000140003002001000000000000000000000000000008000400ac1414aa05000100000000002b00070073797374656d5f753a6f626a6563745f723a757365725f63726f6e5f73706f6f6c5f743a7330000005000100000000000500010001000000"], 0x7c}}, 0x48041) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x44, r5, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}]}, 0x44}, 0x1, 0x0, 0x0, 0x40081}, 0x881) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 298.608452] FAT-fs (loop2): bogus number of reserved sectors [ 298.617241] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 298.632058] FAT-fs (loop2): Can't find a valid FAT filesystem 08:21:02 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x60, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) [ 298.727777] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 08:21:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xfcfdffff, 0x200}], 0x0, 0x0) 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 298.776723] Cannot find set identified by id 0 to match [ 298.796719] block nbd5: Receive control failed (result -107) [ 298.803530] block nbd5: shutting down sockets [ 298.840954] Cannot find set identified by id 0 to match 08:21:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000001140)='/dev/nbd#\x00', 0x0, 0x300) r1 = socket(0x1e, 0x2, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) getsockopt$netlink(r1, 0x10e, 0x7, &(0x7f00000000c0)=""/4096, &(0x7f0000000000)=0x1000) ioctl$sock_ifreq(0xffffffffffffffff, 0x8992, &(0x7f00000010c0)={'vcan0\x00', @ifru_data=&(0x7f0000000040)="bc179e9276af1018b0f5069a9fed52de8704ea287edc37038d436cffec11095c"}) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$KDSKBENT(r2, 0x4b47, &(0x7f0000001100)={0x4f, 0xcf, 0x5}) ioctl$NBD_DO_IT(r0, 0xab03) [ 298.881235] block nbd5: Receive control failed (result -107) [ 298.898724] block nbd5: shutting down sockets 08:21:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) setsockopt$TIPC_MCAST_BROADCAST(0xffffffffffffffff, 0x10f, 0x85) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000009c0)='/dev/loop-control\x00', 0x0, 0x0) r4 = ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) r5 = openat$dlm_plock(0xffffffffffffff9c, 0x0, 0x361440, 0x0) sendmmsg(r5, 0x0, 0x0, 0x0) write$P9_RLOPEN(r5, &(0x7f00000001c0)={0x18, 0xd, 0x1, {{0x4, 0x3, 0x5}, 0x7fff}}, 0x18) fsetxattr$trusted_overlay_redirect(r3, &(0x7f0000000140)='trusted.overlay.redirect\x00', &(0x7f0000000180)='./file0\x00', 0x8, 0x3) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r4) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)=@deltclass={0xb4, 0x29, 0x200, 0x70bd25, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {0xf, 0x2}, {0xb, 0x3}, {0xd, 0xffff}}, [@TCA_RATE={0x6, 0x5, {0x1, 0x5}}, @tclass_kind_options=@c_prio={0x9, 0x1, 'prio\x00'}, @tclass_kind_options=@c_prio={0x9, 0x1, 'prio\x00'}, @tclass_kind_options=@c_taprio={0xb, 0x1, 'taprio\x00'}, @tclass_kind_options=@c_cake={0x9, 0x1, 'cake\x00'}, @TCA_RATE={0x6, 0x5, {0x7d, 0x6}}, @tclass_kind_options=@c_hfsc={{0x9, 0x1, 'hfsc\x00'}, {0x34, 0x2, [@TCA_HFSC_FSC={0x10, 0x2, {0x2b776aca, 0x551, 0x5}}, @TCA_HFSC_FSC={0x10, 0x2, {0x7, 0x401, 0x20}}, @TCA_HFSC_RSC={0x10, 0x1, {0x0, 0x6, 0x6}}]}}, @TCA_RATE={0x6, 0x5, {0x3}}, @TCA_RATE={0x6}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4000080}, 0x20040054) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r4) ioctl$NBD_DO_IT(r0, 0xab03) connect$nfc_raw(r1, &(0x7f0000000000)={0x27, 0x0, 0x0, 0x5}, 0x10) 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{0x0, 0xfdfdffff, 0x200}], 0x0, 0x0) [ 298.921761] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 298.935738] FAT-fs (loop2): bogus number of reserved sectors 08:21:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8000) r1 = gettid() tkill(r1, 0x16) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f00000000c0)=0x0) tgkill(r1, r3, 0x39) r4 = socket(0x2, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r5, 0xc00464af, &(0x7f0000000040)) ioctl$VIDIOC_SUBDEV_ENUM_MBUS_CODE(r5, 0xc0305602, &(0x7f0000000000)={0x0, 0x1, 0x3018}) [ 298.994867] FAT-fs (loop2): Can't find a valid FAT filesystem [ 299.027420] block nbd0: Receive control failed (result -107) [ 299.033940] block nbd0: shutting down sockets 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) 08:21:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$DRM_IOCTL_MODE_RMFB(r2, 0xc00464af, &(0x7f0000000040)) ioctl$NBD_SET_TIMEOUT(r2, 0xab09, 0xffffffff) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:21:02 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 299.048874] block nbd0: Could not allocate knbd recv work queue. [ 299.062050] block nbd0: shutting down sockets 08:21:03 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 299.141119] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 299.147363] FAT-fs (loop2): bogus number of reserved sectors [ 299.153360] FAT-fs (loop2): Can't find a valid FAT filesystem [ 299.192401] block nbd0: Receive control failed (result -107) [ 299.210758] block nbd0: shutting down sockets 08:21:03 executing program 2: syz_mount_image$msdos(&(0x7f0000000380)='msdos\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x68, 0x0, 0x0, &(0x7f0000001840)={[{@fat=@check_relaxed='check=relaxed'}]}) 08:21:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x20000) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) 08:21:03 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_int(r0, 0x29, 0x33, &(0x7f0000000100)=0xfff, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) recvmsg(r0, &(0x7f0000000040)={&(0x7f0000000300)=@nl=@proc, 0x80, 0x0}, 0x12160) [ 299.263084] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 299.318114] block nbd0: Receive control failed (result -107) [ 299.326565] block nbd0: shutting down sockets [ 299.341397] block nbd0: Receive control failed (result -107) [ 299.348798] block nbd0: shutting down sockets [ 299.421470] FAT-fs (loop2): bogus number of reserved sectors [ 299.436857] FAT-fs (loop2): Can't find a valid FAT filesystem [ 299.803805] block nbd5: Device being setup by another task [ 299.810011] block nbd5: shutting down sockets [ 311.765057] NOHZ: local_softirq_pending 08 [ 329.042821] NOHZ: local_softirq_pending 08 [ 370.000762] NOHZ: local_softirq_pending 08 [ 370.640332] NOHZ: local_softirq_pending 08 [ 432.713214] NOHZ: local_softirq_pending 08 [ 453.830718] INFO: task syz-executor.5:18066 blocked for more than 140 seconds. [ 453.838106] Not tainted 4.19.130-syzkaller #0 [ 453.843978] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 453.852496] syz-executor.5 D28568 18066 6932 0x00000004 [ 453.858127] Call Trace: [ 453.861724] __schedule+0x887/0x2040 [ 453.865451] ? io_schedule_timeout+0x140/0x140 [ 453.870193] ? mark_held_locks+0xf0/0xf0 [ 453.875236] schedule+0x8d/0x1b0 [ 453.878959] schedule_timeout+0x90e/0xef0 [ 453.883924] ? usleep_range+0x170/0x170 [ 453.887903] ? wait_for_common+0x294/0x470 [ 453.893086] ? lock_downgrade+0x720/0x720 [ 453.897251] ? lock_acquire+0x170/0x3c0 [ 453.901988] ? wait_for_common+0x9e/0x470 [ 453.906137] ? _raw_spin_unlock_irq+0x24/0x80 [ 453.911623] wait_for_common+0x29c/0x470 [ 453.915697] ? bit_wait_io_timeout+0x100/0x100 [ 453.920287] ? __mutex_unlock_slowpath+0xea/0x610 [ 453.926366] ? wake_up_q+0xe0/0xe0 [ 453.930002] ? check_flush_dependency+0x86/0x400 [ 453.935700] flush_workqueue+0x40b/0x13e0 [ 453.939853] ? uevent_store+0x70/0x70 [ 453.944616] ? check_flush_dependency+0x400/0x400 [ 453.949474] ? sock_shutdown+0x1d1/0x240 [ 453.954257] nbd_ioctl+0x759/0xbe0 [ 453.958268] ? nbd_disconnect_and_put+0x270/0x270 [ 453.963920] ? wait_woken+0x250/0x250 [ 453.968429] ? __lock_acquire+0x6de/0x3ff0 [ 453.973720] ? nbd_disconnect_and_put+0x270/0x270 [ 453.978587] blkdev_ioctl+0x5cb/0x1a7e [ 453.983859] ? blkpg_ioctl+0x9d0/0x9d0 [ 453.987895] ? do_futex+0x163/0x1c40 [ 453.992417] ? mark_held_locks+0xf0/0xf0 [ 453.996753] ? mark_held_locks+0xf0/0xf0 [ 454.001940] ? mark_held_locks+0xf0/0xf0 [ 454.006017] ? check_preemption_disabled+0x41/0x280 [ 454.011837] ? check_preemption_disabled+0x41/0x280 [ 454.017464] block_ioctl+0xe9/0x130 [ 454.022101] ? blkdev_fallocate+0x3f0/0x3f0 [ 454.026425] do_vfs_ioctl+0xcdb/0x12e0 [ 454.030305] ? selinux_file_ioctl+0x506/0x6c0 [ 454.035817] ? ioctl_preallocate+0x200/0x200 [ 454.041117] ? selinux_inode_link+0x20/0x20 [ 454.045458] ? __fget+0x356/0x510 [ 454.048986] ? do_dup2+0x450/0x450 [ 454.053139] ksys_ioctl+0x9b/0xc0 [ 454.056621] __x64_sys_ioctl+0x6f/0xb0 [ 454.064597] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 454.069292] do_syscall_64+0xf9/0x620 [ 454.074302] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 454.079618] RIP: 0033:0x45cb19 [ 454.083615] Code: Bad RIP value. [ 454.087170] RSP: 002b:00007fc1f78b9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 454.096363] RAX: ffffffffffffffda RBX: 00000000004e9b80 RCX: 000000000045cb19 [ 454.104235] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 454.112097] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 454.119380] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 454.127581] R13: 0000000000000416 R14: 00000000004c6e52 R15: 00007fc1f78ba6d4 [ 454.136026] [ 454.136026] Showing all locks held in the system: [ 454.143025] 3 locks held by kworker/u4:3/121: [ 454.147548] #0: 0000000006ece174 (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 [ 454.160225] #1: 00000000e0f4045e (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 [ 454.170676] #2: 00000000e0f4045e (rcu_read_lock){....}, at: batadv_nc_worker+0xf3/0xd50 [ 454.179120] 1 lock held by khungtaskd/1079: [ 454.184368] #0: 00000000e0f4045e (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 454.196918] 1 lock held by in:imklog/6139: [ 454.201235] 2 locks held by kworker/u5:1/9561: [ 454.205841] #0: 000000004a2601b9 ((wq_completion)"knbd%d-recv"nbd->index){+.+.}, at: process_one_work+0x767/0x1570 [ 454.216827] #1: 00000000877ef364 ((work_completion)(&args->work)){+.+.}, at: process_one_work+0x79c/0x1570 [ 454.227316] [ 454.229004] ============================================= [ 454.229004] [ 454.236706] NMI backtrace for cpu 0 [ 454.240356] CPU: 0 PID: 1079 Comm: khungtaskd Not tainted 4.19.130-syzkaller #0 [ 454.247793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.257246] Call Trace: [ 454.259830] dump_stack+0x1fc/0x2fe [ 454.263453] nmi_cpu_backtrace.cold+0x63/0xa2 [ 454.267935] ? lapic_can_unplug_cpu.cold+0x39/0x39 [ 454.272880] nmi_trigger_cpumask_backtrace+0x1a6/0x1eb [ 454.278257] watchdog+0x991/0xe60 [ 454.281721] ? reset_hung_task_detector+0x30/0x30 [ 454.286735] kthread+0x30b/0x410 [ 454.290085] ? kthread_park+0x180/0x180 [ 454.294068] ret_from_fork+0x24/0x30 [ 454.297906] Sending NMI from CPU 0 to CPUs 1: [ 454.303627] NMI backtrace for cpu 1 [ 454.303633] CPU: 1 PID: 121 Comm: kworker/u4:3 Not tainted 4.19.130-syzkaller #0 [ 454.303639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.303642] Workqueue: bat_events batadv_nc_worker [ 454.303648] RIP: 0010:lock_acquire+0x2fb/0x3c0 [ 454.303658] Code: fe ff ff 65 ff 05 a5 5b b0 7e 48 8b 05 36 b0 55 08 e8 b9 e2 05 00 85 c0 74 09 80 3d 98 58 55 08 00 74 3f 65 ff 0d 85 5b b0 7e <0f> 85 3e fe ff ff e8 bb cc ae ff e9 34 fe ff ff 0f 0b 0f 0b 0f 0b [ 454.303662] RSP: 0018:ffff8880a97c7c58 EFLAGS: 00000086 [ 454.303668] RAX: 0000000000000000 RBX: ffff8880a96221c0 RCX: 0000000000000001 [ 454.303673] RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffff8880a9622a44 [ 454.303678] RBP: ffffffff88d93820 R08: 0000000000000000 R09: 0000000000000000 [ 454.303682] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 [ 454.303687] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 454.303692] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 454.303696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 454.303700] CR2: 00007f9e3542a008 CR3: 00000000a8d8b000 CR4: 00000000001406e0 [ 454.303705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 454.303709] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 454.303712] Call Trace: [ 454.303715] batadv_nc_worker+0x12d/0xd50 [ 454.303718] ? batadv_nc_worker+0xf3/0xd50 [ 454.303721] process_one_work+0x864/0x1570 [ 454.303725] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 454.303728] worker_thread+0x64c/0x1130 [ 454.303731] ? process_one_work+0x1570/0x1570 [ 454.303734] kthread+0x30b/0x410 [ 454.303737] ? kthread_park+0x180/0x180 [ 454.303740] ret_from_fork+0x24/0x30 [ 454.304442] Kernel panic - not syncing: hung_task: blocked tasks [ 454.493028] CPU: 0 PID: 1079 Comm: khungtaskd Not tainted 4.19.130-syzkaller #0 [ 454.500465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.510541] Call Trace: [ 454.513145] dump_stack+0x1fc/0x2fe [ 454.517435] panic+0x26a/0x50e [ 454.520631] ? __warn_printk+0xf3/0xf3 [ 454.524534] ? lapic_can_unplug_cpu.cold+0x39/0x39 [ 454.529643] ? ___preempt_schedule+0x16/0x18 [ 454.534561] ? watchdog+0x991/0xe60 [ 454.538179] ? nmi_trigger_cpumask_backtrace+0x15e/0x1eb [ 454.546892] watchdog+0x9a2/0xe60 [ 454.551473] ? reset_hung_task_detector+0x30/0x30 [ 454.556326] kthread+0x30b/0x410 [ 454.559702] ? kthread_park+0x180/0x180 [ 454.564206] ret_from_fork+0x24/0x30 [ 454.569821] Kernel Offset: disabled [ 454.573696] Rebooting in 86400 seconds..