Warning: Permanently added '10.128.1.190' (ECDSA) to the list of known hosts. executing program [ 509.073644][ T5108] nbd0: detected capacity change from 0 to 2 [ 509.275010][ T4398] block nbd0: Receive control failed (result -104) [ 509.275781][ T5108] block nbd0: shutting down sockets [ 509.288282][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.297408][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.305314][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.314614][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.322747][ T51] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.331762][ T51] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.339816][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.348903][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.356791][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.365871][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.373650][ T5109] ldm_validate_partition_table(): Disk read failed. [ 509.380360][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.389426][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.397265][ T51] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.406349][ T51] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.414537][ T51] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.423598][ T51] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.431432][ T51] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.440503][ T51] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.448260][ T5109] Dev nbd0: unable to read RDB block 0 [ 509.453817][ T51] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 509.462863][ T51] Buffer I/O error on dev nbd0, logical block 0, async page read [ 509.470723][ T5109] nbd0: unable to read partition table [ 509.476400][ T5109] nbd0: partition table beyond EOD, truncated [ 509.484081][ T5107] syz-executor272: vmalloc error: size 4096, page order 0, failed to allocate pages, mode:0xdc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 509.501839][ T5107] CPU: 0 PID: 5107 Comm: syz-executor272 Not tainted 6.2.0-syzkaller-13115-gee3f96b16468 #0 [ 509.511907][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 509.522034][ T5107] Call Trace: [ 509.525292][ T5107] [ 509.528209][ T5107] dump_stack_lvl+0x136/0x150 [ 509.532900][ T5107] warn_alloc+0x213/0x360 [ 509.537226][ T5107] ? zone_watermark_ok_safe+0x300/0x300 [ 509.542782][ T5107] __vmalloc_node_range+0xf1c/0x1300 [ 509.548073][ T5107] ? bdev_disk_changed+0x338/0x12f0 [ 509.553270][ T5107] ? delayed_vfree_work+0x70/0x70 [ 509.558297][ T5107] ? bdev_disk_changed+0x338/0x12f0 [ 509.563492][ T5107] vzalloc+0x6b/0x80 [ 509.567386][ T5107] ? bdev_disk_changed+0x338/0x12f0 [ 509.572575][ T5107] bdev_disk_changed+0x338/0x12f0 [ 509.577604][ T5107] blkdev_get_whole+0x18a/0x2d0 [ 509.582449][ T5107] blkdev_get_by_dev.part.0+0x5e0/0xb80 [ 509.587998][ T5107] ? devcgroup_check_permission+0x1aa/0x4a0 [ 509.593887][ T5107] blkdev_get_by_dev+0x6f/0x90 [ 509.598650][ T5107] disk_scan_partitions+0x1dd/0x280 [ 509.603842][ T5107] blkdev_common_ioctl+0x649/0x1ba0 [ 509.609030][ T5107] ? blkdev_bszset+0x1f0/0x1f0 [ 509.613791][ T5107] ? xfd_validate_state+0x5d/0x180 [ 509.618900][ T5107] blkdev_ioctl+0x2c6/0x800 [ 509.623392][ T5107] ? blkdev_common_ioctl+0x1ba0/0x1ba0 [ 509.628839][ T5107] ? bpf_lsm_file_ioctl+0x9/0x10 [ 509.633770][ T5107] ? blkdev_common_ioctl+0x1ba0/0x1ba0 [ 509.639221][ T5107] __x64_sys_ioctl+0x197/0x210 [ 509.643989][ T5107] do_syscall_64+0x39/0xb0 [ 509.648399][ T5107] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 509.654291][ T5107] RIP: 0033:0x7fc19fcb55a9 [ 509.658709][ T5107] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 509.678307][ T5107] RSP: 002b:00007fc19fc62308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 509.686712][ T5107] RAX: ffffffffffffffda RBX: 00007fc19fd3a4c8 RCX: 00007fc19fcb55a9 [ 509.694671][ T5107] RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000003 [ 509.702645][ T5107] RBP: 00007fc19fd3a4c0 R08: 0000000000000000 R09: 0000000000000000 [ 509.710606][ T5107] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc19fd3a4cc [ 509.718568][ T5107] R13: 00007fc19fd071bc R14: 64626e2f7665642f R15: 0000000000022000 [ 509.726540][ T5107] [ 509.729754][ T5107] Mem-Info: [ 509.733037][ T5107] active_anon:1982 inactive_anon:472 isolated_anon:0 [ 509.733037][ T5107] active_file:0 inactive_file:13022 isolated_file:0 [ 509.733037][ T5107] unevictable:768 dirty:315 writeback:0 [ 509.733037][ T5107] slab_reclaimable:18335 slab_unreclaimable:76285 [ 509.733037][ T5107] mapped:1931 shmem:1231 pagetables:216 [ 509.733037][ T5107] sec_pagetables:0 bounce:0 [ 509.733037][ T5107] kernel_misc_reclaimable:0 [ 509.733037][ T5107] free:1498798 free_pcp:10160 free_cma:0 [ 509.778040][ T5107] Node 0 active_anon:7976kB inactive_anon:1892kB active_file:0kB inactive_file:52012kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:7724kB dirty:1256kB writeback:0kB shmem:3392kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:7664kB pagetables:864kB sec_pagetables:0kB all_unreclaimable? no [ 509.810127][ T5107] Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:16kB pagetables:0kB sec_pagetables:0kB all_unreclaimable? no [ 509.840612][ T5107] Node 0 DMA free:15360kB boost:0kB min:200kB low:248kB high:296kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 509.867951][ T5107] lowmem_reserve[]: 0 2617 2619 2619 2619 [ 509.873800][ T5107] Node 0 DMA32 free:2050536kB boost:0kB min:35440kB low:44300kB high:53160kB reserved_highatomic:0KB active_anon:7980kB inactive_anon:1888kB active_file:0kB inactive_file:50472kB unevictable:1536kB writepending:1252kB present:3129332kB managed:2684988kB mlocked:0kB bounce:0kB free_pcp:24904kB local_pcp:16772kB free_cma:0kB [ 509.904185][ T5107] lowmem_reserve[]: 0 0 1 1 1 [ 509.908870][ T5107] Node 0 Normal free:16kB boost:0kB min:20kB low:24kB high:28kB reserved_highatomic:0KB active_anon:44kB inactive_anon:4kB active_file:0kB inactive_file:1544kB unevictable:0kB writepending:4kB present:1048576kB managed:1612kB mlocked:0kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 509.936148][ T5107] lowmem_reserve[]: 0 0 0 0 0 [ 509.940867][ T5107] Node 1 Normal free:3929280kB boost:0kB min:54444kB low:68052kB high:81660kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:1536kB writepending:4kB present:4194304kB managed:4117612kB mlocked:0kB bounce:0kB free_pcp:15712kB local_pcp:5120kB free_cma:0kB [ 509.970227][ T5107] lowmem_reserve[]: 0 0 0 0 0 [ 509.974982][ T5107] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB [ 509.987633][ T5107] Node 0 DMA32: 0*4kB 1*8kB (U) 2*16kB (ME) 54*32kB (UME) 52*64kB (UE) 4*128kB (UM) 4*256kB (M) 4*512kB (M) 0*1024kB 1*2048kB (E) 498*4096kB (M) = 2050536kB [ 510.003561][ T5107] Node 0 Normal: 0*4kB 0*8kB 1*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16kB [ 510.015528][ T5107] Node 1 Normal: 166*4kB (UM) 41*8kB (UME) 28*16kB (UME) 39*32kB (UME) 17*64kB (UME) 6*128kB (UME) 3*256kB (UME) 2*512kB (UM) 1*1024kB (U) 1*2048kB (U) 957*4096kB (M) = 3929280kB [ 510.033424][ T5107] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 510.042987][ T5107] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 510.052248][ T5107] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 510.061827][ T5107] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 510.071123][ T5107] 14256 total pagecache pages executing program [ 510.075831][ T5107] 0 pages in swap cache [ 510.079979][ T5107] Free swap = 0kB [ 510.083716][ T5107] Total swap = 0kB [ 510.087447][ T5107] 2097051 pages RAM [ 510.091240][ T5107] 0 pages HighMem/MovableOnly [ 510.095970][ T5107] 392158 pages reserved [ 510.100117][ T5107] 0 pages cma reserved [ 510.105022][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.112264][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.118113][ T5109] nbd0: unable to read partition table [ 510.123896][ T5109] nbd0: partition table beyond EOD, truncated [ 510.131306][ T5111] ldm_validate_partition_table(): Disk read failed. [ 510.138252][ T5111] Dev nbd0: unable to read RDB block 0 [ 510.144151][ T5111] nbd0: unable to read partition table [ 510.149775][ T5111] nbd0: partition table beyond EOD, truncated [ 510.158334][ T5111] ldm_validate_partition_table(): Disk read failed. [ 510.165339][ T5111] Dev nbd0: unable to read RDB block 0 [ 510.170963][ T5111] nbd0: unable to read partition table [ 510.176659][ T5111] nbd0: partition table beyond EOD, truncated [ 510.232514][ T5111] block nbd0: Device being setup by another task [ 510.239694][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.246667][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.252347][ T5109] nbd0: unable to read partition table [ 510.258028][ T5109] nbd0: partition table beyond EOD, truncated [ 510.264981][ T5111] ldm_validate_partition_table(): Disk read failed. [ 510.271785][ T5111] Dev nbd0: unable to read RDB block 0 executing program [ 510.277530][ T5111] nbd0: unable to read partition table [ 510.283164][ T5111] nbd0: partition table beyond EOD, truncated [ 510.290235][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.297282][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.303059][ T5109] nbd0: unable to read partition table [ 510.308639][ T5109] nbd0: partition table beyond EOD, truncated [ 510.315768][ T5114] ldm_validate_partition_table(): Disk read failed. [ 510.322782][ T5114] Dev nbd0: unable to read RDB block 0 [ 510.328418][ T5114] nbd0: unable to read partition table [ 510.334366][ T5114] nbd0: partition table beyond EOD, truncated [ 510.342110][ T5114] ldm_validate_partition_table(): Disk read failed. [ 510.349072][ T5114] Dev nbd0: unable to read RDB block 0 [ 510.354804][ T5114] nbd0: unable to read partition table [ 510.360387][ T5114] nbd0: partition table beyond EOD, truncated [ 510.412460][ T5114] block nbd0: Device being setup by another task [ 510.418969][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.425926][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.431519][ T5109] nbd0: unable to read partition table [ 510.437258][ T5109] nbd0: partition table beyond EOD, truncated [ 510.444195][ T5114] ldm_validate_partition_table(): Disk read failed. [ 510.451039][ T5114] Dev nbd0: unable to read RDB block 0 [ 510.456783][ T5114] nbd0: unable to read partition table executing program [ 510.462367][ T5114] nbd0: partition table beyond EOD, truncated [ 510.468926][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.476011][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.481656][ T5109] nbd0: unable to read partition table [ 510.487311][ T5109] nbd0: partition table beyond EOD, truncated [ 510.543253][ T5117] nbd0: detected capacity change from 0 to 2 executing program [ 510.753126][ T4398] block nbd0: Receive control failed (result -104) [ 510.753531][ T5117] block nbd0: shutting down sockets [ 510.766654][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.773513][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.779112][ T5109] nbd0: unable to read partition table [ 510.784920][ T5109] nbd0: partition table beyond EOD, truncated [ 510.793278][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.800175][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.805906][ T5109] nbd0: unable to read partition table [ 510.811491][ T5109] nbd0: partition table beyond EOD, truncated [ 510.818880][ T5120] ldm_validate_partition_table(): Disk read failed. [ 510.826034][ T5120] Dev nbd0: unable to read RDB block 0 [ 510.831678][ T5120] nbd0: unable to read partition table [ 510.837360][ T5120] nbd0: partition table beyond EOD, truncated [ 510.844582][ T5120] ldm_validate_partition_table(): Disk read failed. [ 510.851420][ T5120] Dev nbd0: unable to read RDB block 0 [ 510.857212][ T5120] nbd0: unable to read partition table [ 510.862882][ T5120] nbd0: partition table beyond EOD, truncated [ 510.902482][ T5120] block nbd0: Device being setup by another task [ 510.909251][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.916174][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.921776][ T5109] nbd0: unable to read partition table [ 510.927453][ T5109] nbd0: partition table beyond EOD, truncated [ 510.934376][ T5120] ldm_validate_partition_table(): Disk read failed. [ 510.941171][ T5120] Dev nbd0: unable to read RDB block 0 [ 510.946889][ T5120] nbd0: unable to read partition table executing program [ 510.952524][ T5120] nbd0: partition table beyond EOD, truncated [ 510.959161][ T5109] ldm_validate_partition_table(): Disk read failed. [ 510.966065][ T5109] Dev nbd0: unable to read RDB block 0 [ 510.971664][ T5109] nbd0: unable to read partition table [ 510.977365][ T5109] nbd0: partition table beyond EOD, truncated [ 511.023361][ T5122] nbd0: detected capacity change from 0 to 2 executing program [ 511.233381][ T4398] block nbd0: Receive control failed (result -104) [ 511.233730][ T5122] block nbd0: shutting down sockets [ 511.246065][ T5109] ldm_validate_partition_table(): Disk read failed. [ 511.252913][ T5109] Dev nbd0: unable to read RDB block 0 [ 511.258519][ T5109] nbd0: unable to read partition table [ 511.264322][ T5109] nbd0: partition table beyond EOD, truncated [ 511.272011][ T5109] ldm_validate_partition_table(): Disk read failed. [ 511.279044][ T5109] Dev nbd0: unable to read RDB block 0 [ 511.284782][ T5109] nbd0: unable to read partition table [ 511.290370][ T5109] nbd0: partition table beyond EOD, truncated [ 511.297515][ T5125] ldm_validate_partition_table(): Disk read failed. [ 511.304416][ T5125] Dev nbd0: unable to read RDB block 0 [ 511.310018][ T5125] nbd0: unable to read partition table [ 511.315771][ T5125] nbd0: partition table beyond EOD, truncated [ 511.323646][ T5125] ldm_validate_partition_table(): Disk read failed. [ 511.330473][ T5125] Dev nbd0: unable to read RDB block 0 [ 511.336282][ T5125] nbd0: unable to read partition table [ 511.341877][ T5125] nbd0: partition table beyond EOD, truncated [ 511.392463][ T5125] block nbd0: Device being setup by another task [ 511.399550][ T5109] ldm_validate_partition_table(): Disk read failed. [ 511.406556][ T5109] Dev nbd0: unable to read RDB block 0 [ 511.412205][ T5109] nbd0: unable to read partition table [ 511.417958][ T5109] nbd0: partition table beyond EOD, truncated [ 511.424916][ T5125] ldm_validate_partition_table(): Disk read failed. [ 511.431705][ T5125] Dev nbd0: unable to read RDB block 0 executing program [ 511.437491][ T5125] nbd0: unable to read partition table [ 511.443165][ T5125] nbd0: partition table beyond EOD, truncated [ 511.449845][ T5109] ldm_validate_partition_table(): Disk read failed. [ 511.456670][ T5109] Dev nbd0: unable to read RDB block 0 [ 511.462353][ T5109] nbd0: unable to read partition table [ 511.468022][ T5109] nbd0: partition table beyond EOD, truncated [ 511.523260][ T5128] nbd0: detected capacity change from 0 to 2 executing program [ 511.734919][ T4398] block nbd0: Receive control failed (result -104) [ 511.735276][ T5128] block nbd0: shutting down sockets [ 511.747674][ T5109] ldm_validate_partition_table(): Disk read failed. [ 511.754591][ T5109] Dev nbd0: unable to read RDB block 0 [ 511.760204][ T5109] nbd0: unable to read partition table [ 511.766030][ T5109] nbd0: partition table beyond EOD, truncated [ 511.774086][ T5109] ldm_validate_partition_table(): Disk read failed. [ 511.781019][ T5109] Dev nbd0: unable to read RDB block 0 [ 511.786808][ T5109] nbd0: unable to read partition table [ 511.792637][ T5109] nbd0: partition table beyond EOD, truncated [ 511.799517][ T5131] ldm_validate_partition_table(): Disk read failed. [ 511.806392][ T5131] Dev nbd0: unable to read RDB block 0 [ 511.812007][ T5131] nbd0: unable to read partition table [ 511.817687][ T5131] nbd0: partition table beyond EOD, truncated [ 511.825138][ T5131] ldm_validate_partition_table(): Disk read failed. [ 511.831944][ T5131] Dev nbd0: unable to read RDB block 0 [ 511.837723][ T5131] nbd0: unable to read partition table [ 511.843395][ T5131] nbd0: partition table beyond EOD, truncated [ 511.882519][ T5131] block nbd0: Device being setup by another task [ 511.889349][ T5109] ldm_validate_partition_table(): Disk read failed. [ 511.896354][ T5109] Dev nbd0: unable to read RDB block 0 [ 511.901965][ T5109] nbd0: unable to read partition table [ 511.907637][ T5109] nbd0: partition table beyond EOD, truncated [ 511.914488][ T5131] ldm_validate_partition_table(): Disk read failed. [ 511.921306][ T5131] Dev nbd0: unable to read RDB block 0 [ 511.927053][ T5131] nbd0: unable to read partition table executing program [ 511.932783][ T5131] nbd0: partition table beyond EOD, truncated [ 511.939521][ T5109] ldm_validate_partition_table(): Disk read failed. [ 511.946418][ T5109] Dev nbd0: unable to read RDB block 0 [ 511.952095][ T5109] nbd0: unable to read partition table [ 511.957769][ T5109] nbd0: partition table beyond EOD, truncated [ 512.003430][ T5133] nbd0: detected capacity change from 0 to 2 executing program [ 512.214076][ T4398] block nbd0: Receive control failed (result -104) [ 512.214434][ T5133] block nbd0: shutting down sockets [ 512.226749][ T5109] ldm_validate_partition_table(): Disk read failed. [ 512.233593][ T5109] Dev nbd0: unable to read RDB block 0 [ 512.239200][ T5109] nbd0: unable to read partition table [ 512.244906][ T5109] nbd0: partition table beyond EOD, truncated [ 512.252678][ T5109] ldm_validate_partition_table(): Disk read failed. [ 512.259471][ T5109] Dev nbd0: unable to read RDB block 0 [ 512.265224][ T5109] nbd0: unable to read partition table [ 512.270829][ T5109] nbd0: partition table beyond EOD, truncated [ 512.278176][ T5136] ldm_validate_partition_table(): Disk read failed. [ 512.285089][ T5136] Dev nbd0: unable to read RDB block 0 [ 512.290688][ T5136] nbd0: unable to read partition table [ 512.296420][ T5136] nbd0: partition table beyond EOD, truncated [ 512.304419][ T5136] ldm_validate_partition_table(): Disk read failed. [ 512.311274][ T5136] Dev nbd0: unable to read RDB block 0 [ 512.317045][ T5136] nbd0: unable to read partition table [ 512.322730][ T5136] nbd0: partition table beyond EOD, truncated [ 512.362501][ T5136] block nbd0: Device being setup by another task [ 512.369318][ T5109] ldm_validate_partition_table(): Disk read failed. [ 512.376172][ T5109] Dev nbd0: unable to read RDB block 0 [ 512.381768][ T5109] nbd0: unable to read partition table [ 512.387445][ T5109] nbd0: partition table beyond EOD, truncated [ 512.394462][ T5136] ldm_validate_partition_table(): Disk read failed. [ 512.401267][ T5136] Dev nbd0: unable to read RDB block 0 [ 512.407013][ T5136] nbd0: unable to read partition table executing program [ 512.412689][ T5136] nbd0: partition table beyond EOD, truncated [ 512.419875][ T5109] ldm_validate_partition_table(): Disk read failed. [ 512.426846][ T5109] Dev nbd0: unable to read RDB block 0 [ 512.432560][ T5109] nbd0: unable to read partition table [ 512.438163][ T5109] nbd0: partition table beyond EOD, truncated [ 512.445215][ T5138] ldm_validate_partition_table(): Disk read failed. [ 512.452082][ T5138] Dev nbd0: unable to read RDB block 0 [ 512.457881][ T5138] nbd0: unable to read partition table [ 512.463549][ T5138] nbd0: partition table beyond EOD, truncated [ 512.470920][ T5138] ldm_validate_partition_table(): Disk read failed. [ 512.477929][ T5138] Dev nbd0: unable to read RDB block 0 [ 512.483556][ T5138] nbd0: unable to read partition table [ 512.489143][ T5138] nbd0: partition table beyond EOD, truncated [ 512.532485][ T5138] block nbd0: Device being setup by another task [ 512.539311][ T5109] ldm_validate_partition_table(): Disk read failed. [ 512.546184][ T5109] Dev nbd0: unable to read RDB block 0 [ 512.551786][ T5109] nbd0: unable to read partition table [ 512.557711][ T5109] nbd0: partition table beyond EOD, truncated [ 512.564705][ T5138] ldm_validate_partition_table(): Disk read failed. [ 512.571555][ T5138] Dev nbd0: unable to read RDB block 0 [ 512.577274][ T5138] nbd0: unable to read partition table executing program [ 512.582955][ T5138] nbd0: partition table beyond EOD, truncated [ 512.589699][ T5109] ldm_validate_partition_table(): Disk read failed. [ 512.596659][ T5109] Dev nbd0: unable to read RDB block 0 [ 512.602259][ T5109] nbd0: unable to read partition table [ 512.607953][ T5109] nbd0: partition table beyond EOD, truncated [ 512.653286][ T5140] nbd0: detected capacity change from 0 to 2 executing program [ 512.864057][ T4398] block nbd0: Receive control failed (result -104) [ 512.864441][ T5140] block nbd0: shutting down sockets [ 512.876569][ T5109] ldm_validate_partition_table(): Disk read failed. [ 512.883435][ T5109] Dev nbd0: unable to read RDB block 0 [ 512.889069][ T5109] nbd0: unable to read partition table [ 512.894798][ T5109] nbd0: partition table beyond EOD, truncated [ 512.902662][ T5109] ldm_validate_partition_table(): Disk read failed. [ 512.909459][ T5109] Dev nbd0: unable to read RDB block 0 [ 512.915193][ T5109] nbd0: unable to read partition table [ 512.920852][ T5109] nbd0: partition table beyond EOD, truncated [ 512.927821][ T5143] ldm_validate_partition_table(): Disk read failed. [ 512.934714][ T5143] Dev nbd0: unable to read RDB block 0 [ 512.940311][ T5143] nbd0: unable to read partition table [ 512.946186][ T5143] nbd0: partition table beyond EOD, truncated [ 512.954220][ T5143] ldm_validate_partition_table(): Disk read failed. [ 512.961057][ T5143] Dev nbd0: unable to read RDB block 0 [ 512.966802][ T5143] nbd0: unable to read partition table [ 512.972479][ T5143] nbd0: partition table beyond EOD, truncated [ 513.032489][ T5143] block nbd0: Device being setup by another task [ 513.039212][ T5109] ldm_validate_partition_table(): Disk read failed. [ 513.046092][ T5109] Dev nbd0: unable to read RDB block 0 [ 513.051743][ T5109] nbd0: unable to read partition table [ 513.057411][ T5109] nbd0: partition table beyond EOD, truncated [ 513.064405][ T5143] ldm_validate_partition_table(): Disk read failed. [ 513.071263][ T5143] Dev nbd0: unable to read RDB block 0 [ 513.077038][ T5143] nbd0: unable to read partition table executing program [ 513.082708][ T5143] nbd0: partition table beyond EOD, truncated [ 513.089390][ T5109] ldm_validate_partition_table(): Disk read failed. [ 513.096235][ T5109] Dev nbd0: unable to read RDB block 0 [ 513.101981][ T5109] nbd0: unable to read partition table [ 513.107652][ T5109] nbd0: partition table beyond EOD, truncated [ 513.163147][ T5146] nbd0: detected capacity change from 0 to 2 executing program [ 513.374472][ T4398] block nbd0: Receive control failed (result -104) [ 513.381629][ T5146] block nbd0: shutting down sockets [ 513.387369][ T5109] ldm_validate_partition_table(): Disk read failed. [ 513.394236][ T5109] Dev nbd0: unable to read RDB block 0 [ 513.399836][ T5109] nbd0: unable to read partition table [ 513.405516][ T5109] nbd0: partition table beyond EOD, truncated [ 513.413992][ T5109] ldm_validate_partition_table(): Disk read failed. [ 513.420912][ T5109] Dev nbd0: unable to read RDB block 0 [ 513.426691][ T5109] nbd0: unable to read partition table [ 513.432285][ T5109] nbd0: partition table beyond EOD, truncated [ 513.439486][ T5149] ldm_validate_partition_table(): Disk read failed. [ 513.446415][ T5149] Dev nbd0: unable to read RDB block 0 [ 513.452022][ T5149] nbd0: unable to read partition table [ 513.457713][ T5149] nbd0: partition table beyond EOD, truncated [ 513.465158][ T5149] ldm_validate_partition_table(): Disk read failed. [ 513.471986][ T5149] Dev nbd0: unable to read RDB block 0 [ 513.477738][ T5149] nbd0: unable to read partition table [ 513.483397][ T5149] nbd0: partition table beyond EOD, truncated [ 513.522492][ T5149] block nbd0: Device being setup by another task [ 513.529305][ T5109] ldm_validate_partition_table(): Disk read failed. [ 513.536175][ T5109] Dev nbd0: unable to read RDB block 0 [ 513.541771][ T5109] nbd0: unable to read partition table [ 513.547435][ T5109] nbd0: partition table beyond EOD, truncated [ 513.554311][ T5149] ldm_validate_partition_table(): Disk read failed. [ 513.561169][ T5149] Dev nbd0: unable to read RDB block 0 [ 513.566915][ T5149] nbd0: unable to read partition table executing program [ 513.572595][ T5149] nbd0: partition table beyond EOD, truncated [ 513.579751][ T5109] ldm_validate_partition_table(): Disk read failed. [ 513.586742][ T5109] Dev nbd0: unable to read RDB block 0 [ 513.592344][ T5109] nbd0: unable to read partition table [ 513.598314][ T5109] nbd0: partition table beyond EOD, truncated [ 513.605352][ T5151] ldm_validate_partition_table(): Disk read failed. [ 513.612141][ T5151] Dev nbd0: unable to read RDB block 0 [ 513.617790][ T5151] nbd0: unable to read partition table [ 513.623476][ T5151] nbd0: partition table beyond EOD, truncated [ 513.630789][ T5151] ldm_validate_partition_table(): Disk read failed. [ 513.637681][ T5151] Dev nbd0: unable to read RDB block 0 [ 513.643402][ T5151] nbd0: unable to read partition table [ 513.648993][ T5151] nbd0: partition table beyond EOD, truncated [ 513.692524][ T5151] block nbd0: Device being setup by another task [ 513.699332][ T5109] ldm_validate_partition_table(): Disk read failed. [ 513.706467][ T5109] Dev nbd0: unable to read RDB block 0 [ 513.712072][ T5109] nbd0: unable to read partition table [ 513.717751][ T5109] nbd0: partition table beyond EOD, truncated [ 513.724401][ T5151] ldm_validate_partition_table(): Disk read failed. [ 513.731377][ T5151] Dev nbd0: unable to read RDB block 0 [ 513.737068][ T5151] nbd0: unable to read partition table executing program [ 513.742724][ T5151] nbd0: partition table beyond EOD, truncated [ 513.749338][ T5109] ldm_validate_partition_table(): Disk read failed. [ 513.756209][ T5109] Dev nbd0: unable to read RDB block 0 [ 513.761803][ T5109] nbd0: unable to read partition table [ 513.767471][ T5109] nbd0: partition table beyond EOD, truncated [ 513.813908][ T5153] nbd0: detected capacity change from 0 to 2 executing program [ 514.025627][ T4398] block nbd0: Receive control failed (result -104) [ 514.025982][ T5153] block nbd0: shutting down sockets [ 514.038181][ T5109] ldm_validate_partition_table(): Disk read failed. [ 514.044996][ T5109] Dev nbd0: unable to read RDB block 0 [ 514.050603][ T5109] nbd0: unable to read partition table [ 514.056492][ T5109] nbd0: partition table beyond EOD, truncated [ 514.064722][ T5109] ldm_validate_partition_table(): Disk read failed. [ 514.071639][ T5109] Dev nbd0: unable to read RDB block 0 [ 514.077409][ T5109] nbd0: unable to read partition table [ 514.083158][ T5109] nbd0: partition table beyond EOD, truncated [ 514.090568][ T5156] ldm_validate_partition_table(): Disk read failed. [ 514.097629][ T5156] Dev nbd0: unable to read RDB block 0 [ 514.103479][ T5156] nbd0: unable to read partition table [ 514.109154][ T5156] nbd0: partition table beyond EOD, truncated [ 514.117017][ T5156] ldm_validate_partition_table(): Disk read failed. [ 514.123914][ T5156] Dev nbd0: unable to read RDB block 0 [ 514.129526][ T5156] nbd0: unable to read partition table [ 514.135242][ T5156] nbd0: partition table beyond EOD, truncated [ 514.182504][ T5156] block nbd0: Device being setup by another task [ 514.189543][ T5109] ldm_validate_partition_table(): Disk read failed. [ 514.196444][ T5109] Dev nbd0: unable to read RDB block 0 [ 514.202054][ T5109] nbd0: unable to read partition table [ 514.207752][ T5109] nbd0: partition table beyond EOD, truncated [ 514.214662][ T5156] ldm_validate_partition_table(): Disk read failed. [ 514.221556][ T5156] Dev nbd0: unable to read RDB block 0 [ 514.227316][ T5156] nbd0: unable to read partition table executing program [ 514.232950][ T5156] nbd0: partition table beyond EOD, truncated [ 514.239582][ T5109] ldm_validate_partition_table(): Disk read failed. [ 514.246394][ T5109] Dev nbd0: unable to read RDB block 0 [ 514.251998][ T5109] nbd0: unable to read partition table [ 514.257680][ T5109] nbd0: partition table beyond EOD, truncated [ 514.303393][ T5158] nbd0: detected capacity change from 0 to 2 [ 514.514035][ T4398] block nbd0: Receive control failed (result -104) [ 514.520662][ T5158] block nbd0: shutting down sockets [ 514.526409][ C1] blk_print_req_error: 1184 callbacks suppressed [ 514.526418][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.541840][ C1] buffer_io_error: 1184 callbacks suppressed [ 514.541847][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.555725][ T51] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.564873][ T51] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.572798][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.581866][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.589822][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.598932][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.606837][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.615931][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.623708][ T5109] ldm_validate_partition_table(): Disk read failed. [ 514.630373][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.639473][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.647357][ T51] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.656451][ T51] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.664374][ T51] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.673462][ T51] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.681319][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 514.690419][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.698253][ T5109] Dev nbd0: unable to read RDB block 0 [ 514.703883][ T1069] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 executing program [ 514.712943][ T1069] Buffer I/O error on dev nbd0, logical block 0, async page read [ 514.720878][ T5109] nbd0: unable to read partition table [ 514.726584][ T5109] nbd0: partition table beyond EOD, truncated [ 514.734602][ T5109] ldm_validate_partition_table(): Disk read failed. [ 514.741526][ T5109] Dev nbd0: unable to read RDB block 0 [ 514.747411][ T5109] nbd0: unable to read partition table [ 514.753168][ T5109] nbd0: partition table beyond EOD, truncated [ 514.760134][ T5161] ldm_validate_partition_table(): Disk read failed. [ 514.767413][ T5161] Dev nbd0: unable to read RDB block 0 [ 514.773146][ T5161] nbd0: unable to read partition table [ 514.778750][ T5161] nbd0: partition table beyond EOD, truncated [ 514.786324][ T5161] ldm_validate_partition_table(): Disk read failed. [ 514.793151][ T5161] Dev nbd0: unable to read RDB block 0 [ 514.798754][ T5161] nbd0: unable to read partition table [ 514.804475][ T5161] nbd0: partition table beyond EOD, truncated [ 514.842487][ T5161] block nbd0: Device being setup by another task [ 514.849300][ T5109] ldm_validate_partition_table(): Disk read failed. [ 514.856330][ T5109] Dev nbd0: unable to read RDB block 0 [ 514.861934][ T5109] nbd0: unable to read partition table [ 514.867632][ T5109] nbd0: partition table beyond EOD, truncated [ 514.874570][ T5161] ldm_validate_partition_table(): Disk read failed. [ 514.881494][ T5161] Dev nbd0: unable to read RDB block 0 [ 514.887428][ T5161] nbd0: unable to read partition table executing program [ 514.893079][ T5161] nbd0: partition table beyond EOD, truncated [ 514.899938][ T5109] ldm_validate_partition_table(): Disk read failed. [ 514.906794][ T5109] Dev nbd0: unable to read RDB block 0 [ 514.912465][ T5109] nbd0: unable to read partition table [ 514.918080][ T5109] nbd0: partition table beyond EOD, truncated [ 514.963130][ T5163] nbd0: detected capacity change from 0 to 2 executing program [ 515.174546][ T4398] block nbd0: Receive control failed (result -104) [ 515.174859][ T5163] block nbd0: shutting down sockets [ 515.187240][ T5109] ldm_validate_partition_table(): Disk read failed. [ 515.194086][ T5109] Dev nbd0: unable to read RDB block 0 [ 515.199715][ T5109] nbd0: unable to read partition table [ 515.205416][ T5109] nbd0: partition table beyond EOD, truncated [ 515.213168][ T5109] ldm_validate_partition_table(): Disk read failed. [ 515.220038][ T5109] Dev nbd0: unable to read RDB block 0 [ 515.225873][ T5109] nbd0: unable to read partition table [ 515.231485][ T5109] nbd0: partition table beyond EOD, truncated [ 515.239325][ T5166] ldm_validate_partition_table(): Disk read failed. [ 515.246210][ T5166] Dev nbd0: unable to read RDB block 0 [ 515.251806][ T5166] nbd0: unable to read partition table [ 515.257696][ T5166] nbd0: partition table beyond EOD, truncated [ 515.265049][ T5166] ldm_validate_partition_table(): Disk read failed. [ 515.271871][ T5166] Dev nbd0: unable to read RDB block 0 [ 515.277694][ T5166] nbd0: unable to read partition table [ 515.283356][ T5166] nbd0: partition table beyond EOD, truncated [ 515.332472][ T5166] block nbd0: Device being setup by another task [ 515.339222][ T5109] ldm_validate_partition_table(): Disk read failed. [ 515.346158][ T5109] Dev nbd0: unable to read RDB block 0 [ 515.351752][ T5109] nbd0: unable to read partition table [ 515.357431][ T5109] nbd0: partition table beyond EOD, truncated [ 515.364306][ T5166] ldm_validate_partition_table(): Disk read failed. [ 515.371177][ T5166] Dev nbd0: unable to read RDB block 0 [ 515.376926][ T5166] nbd0: unable to read partition table executing program [ 515.382566][ T5166] nbd0: partition table beyond EOD, truncated [ 515.389162][ T5109] ldm_validate_partition_table(): Disk read failed. [ 515.396161][ T5109] Dev nbd0: unable to read RDB block 0 [ 515.401779][ T5109] nbd0: unable to read partition table [ 515.407719][ T5109] nbd0: partition table beyond EOD, truncated [ 515.453085][ T5168] nbd0: detected capacity change from 0 to 2 executing program [ 515.663674][ T4398] block nbd0: Receive control failed (result -104) [ 515.670369][ T5168] block nbd0: shutting down sockets [ 515.676585][ T5109] ldm_validate_partition_table(): Disk read failed. [ 515.683442][ T5109] Dev nbd0: unable to read RDB block 0 [ 515.689055][ T5109] nbd0: unable to read partition table [ 515.694777][ T5109] nbd0: partition table beyond EOD, truncated [ 515.702617][ T5109] ldm_validate_partition_table(): Disk read failed. [ 515.709425][ T5109] Dev nbd0: unable to read RDB block 0 [ 515.715157][ T5109] nbd0: unable to read partition table [ 515.720758][ T5109] nbd0: partition table beyond EOD, truncated [ 515.728134][ T5171] ldm_validate_partition_table(): Disk read failed. [ 515.735124][ T5171] Dev nbd0: unable to read RDB block 0 [ 515.740729][ T5171] nbd0: unable to read partition table [ 515.746469][ T5171] nbd0: partition table beyond EOD, truncated [ 515.754114][ T5171] ldm_validate_partition_table(): Disk read failed. [ 515.760971][ T5171] Dev nbd0: unable to read RDB block 0 [ 515.766727][ T5171] nbd0: unable to read partition table [ 515.772346][ T5171] nbd0: partition table beyond EOD, truncated [ 515.812525][ T5171] block nbd0: Device being setup by another task [ 515.819367][ T5109] ldm_validate_partition_table(): Disk read failed. [ 515.826406][ T5109] Dev nbd0: unable to read RDB block 0 [ 515.832049][ T5109] nbd0: unable to read partition table [ 515.837736][ T5109] nbd0: partition table beyond EOD, truncated [ 515.844627][ T5171] ldm_validate_partition_table(): Disk read failed. [ 515.851417][ T5171] Dev nbd0: unable to read RDB block 0 [ 515.857164][ T5171] nbd0: unable to read partition table executing program [ 515.862892][ T5171] nbd0: partition table beyond EOD, truncated [ 515.869614][ T5109] ldm_validate_partition_table(): Disk read failed. [ 515.876445][ T5109] Dev nbd0: unable to read RDB block 0 [ 515.882063][ T5109] nbd0: unable to read partition table [ 515.887779][ T5109] nbd0: partition table beyond EOD, truncated [ 515.963624][ T5174] nbd0: detected capacity change from 0 to 2 [ 516.161986][ T4398] block nbd0: Receive control failed (result -104) [ 546.533093][ T1069] block nbd0: Possible stuck request ffff88801e81de00: control (read@0,1024B). Runtime 30 seconds [ 576.040703][ T4441] udevd[4441]: worker [5109] /devices/virtual/block/nbd0 is taking a long time [ 576.613036][ T1069] block nbd0: Possible stuck request ffff88801e81de00: control (read@0,1024B). Runtime 60 seconds [ 606.692691][ T1069] block nbd0: Possible stuck request ffff88801e81de00: control (read@0,1024B). Runtime 90 seconds [ 636.772631][ T1069] block nbd0: Possible stuck request ffff88801e81de00: control (read@0,1024B). Runtime 120 seconds [ 666.852623][ T1069] block nbd0: Possible stuck request ffff88801e81de00: control (read@0,1024B). Runtime 150 seconds [ 696.190409][ T4441] udevd[4441]: worker [5109] /devices/virtual/block/nbd0 timeout; kill it [ 696.199164][ T4441] udevd[4441]: seq 7564 '/devices/virtual/block/nbd0' killed [ 696.932683][ T1069] block nbd0: Possible stuck request ffff88801e81de00: control (read@0,1024B). Runtime 180 seconds [ 715.492482][ T28] INFO: task syz-executor272:5173 blocked for more than 143 seconds. [ 715.500654][ T28] Not tainted 6.2.0-syzkaller-13115-gee3f96b16468 #0 [ 715.507910][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 715.516672][ T28] task:syz-executor272 state:D stack:28152 pid:5173 ppid:5104 flags:0x00000004 [ 715.525958][ T28] Call Trace: [ 715.529237][ T28] [ 715.532155][ T28] __schedule+0xcce/0x5b20 [ 715.536609][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 715.542620][ T28] ? io_schedule_timeout+0x150/0x150 [ 715.547896][ T28] ? __mutex_lock+0xa36/0x1350 [ 715.552701][ T28] schedule+0xde/0x1a0 [ 715.556784][ T28] schedule_preempt_disabled+0x13/0x20 [ 715.562227][ T28] __mutex_lock+0xa3b/0x1350 [ 715.566860][ T28] ? blkdev_get_by_dev.part.0+0x9b/0xb80 [ 715.572558][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 715.578124][ T28] ? _atomic_dec_and_lock+0x96/0x100 [ 715.583474][ T28] ? disk_block_events+0x21/0x140 [ 715.588520][ T28] blkdev_get_by_dev.part.0+0x9b/0xb80 [ 715.594060][ T28] ? devcgroup_check_permission+0x1aa/0x4a0 [ 715.599972][ T28] blkdev_get_by_dev+0x6f/0x90 [ 715.604783][ T28] disk_scan_partitions+0x1dd/0x280 [ 715.609995][ T28] blkdev_common_ioctl+0x649/0x1ba0 [ 715.615257][ T28] ? blkdev_bszset+0x1f0/0x1f0 [ 715.620032][ T28] ? xfd_validate_state+0x5d/0x180 [ 715.625432][ T28] blkdev_ioctl+0x2c6/0x800 [ 715.629944][ T28] ? blkdev_common_ioctl+0x1ba0/0x1ba0 [ 715.635442][ T28] ? bpf_lsm_file_ioctl+0x9/0x10 [ 715.640391][ T28] ? blkdev_common_ioctl+0x1ba0/0x1ba0 [ 715.645891][ T28] __x64_sys_ioctl+0x197/0x210 [ 715.650676][ T28] do_syscall_64+0x39/0xb0 [ 715.655139][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 715.661051][ T28] RIP: 0033:0x7fc19fcb55a9 [ 715.665497][ T28] RSP: 002b:00007fc19fc62308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 715.673942][ T28] RAX: ffffffffffffffda RBX: 00007fc19fd3a4c8 RCX: 00007fc19fcb55a9 [ 715.681903][ T28] RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000003 [ 715.689923][ T28] RBP: 00007fc19fd3a4c0 R08: 0000000000000000 R09: 0000000000000000 [ 715.697928][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc19fd3a4cc [ 715.705938][ T28] R13: 00007fc19fd071bc R14: 64626e2f7665642f R15: 0000000000022000 [ 715.713956][ T28] [ 715.716983][ T28] INFO: task syz-executor272:5174 blocked for more than 143 seconds. [ 715.725112][ T28] Not tainted 6.2.0-syzkaller-13115-gee3f96b16468 #0 [ 715.732411][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 715.741174][ T28] task:syz-executor272 state:D stack:28632 pid:5174 ppid:5104 flags:0x00004006 [ 715.750469][ T28] Call Trace: [ 715.753795][ T28] [ 715.756727][ T28] __schedule+0xcce/0x5b20 [ 715.761139][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 715.767180][ T28] ? mark_lock.part.0+0xee/0x1970 [ 715.772226][ T28] ? io_schedule_timeout+0x150/0x150 [ 715.777575][ T28] ? __mutex_lock+0xa36/0x1350 [ 715.782407][ T28] schedule+0xde/0x1a0 [ 715.786469][ T28] schedule_preempt_disabled+0x13/0x20 [ 715.791912][ T28] __mutex_lock+0xa3b/0x1350 [ 715.796549][ T28] ? blkdev_put+0xc0/0x770 [ 715.800982][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 715.806591][ T28] ? locks_check_ctx_file_list+0x1d/0x320 [ 715.812374][ T28] ? do_raw_spin_unlock+0x175/0x230 [ 715.817567][ T28] ? _raw_spin_unlock+0x28/0x40 [ 715.822460][ T28] ? locks_remove_file+0x2fb/0x5b0 [ 715.827582][ T28] blkdev_put+0xc0/0x770 [ 715.831814][ T28] blkdev_close+0x68/0x80 [ 715.836216][ T28] __fput+0x27c/0xa90 [ 715.840209][ T28] ? blkdev_fsync+0xa0/0xa0 [ 715.844762][ T28] task_work_run+0x16f/0x270 [ 715.849372][ T28] ? task_work_cancel+0x30/0x30 [ 715.854280][ T28] get_signal+0x1c7/0x25b0 [ 715.858704][ T28] ? nbd_ioctl+0x480/0xcf0 [ 715.863153][ T28] ? exit_signals+0x910/0x910 [ 715.867831][ T28] ? nbd_start_device+0xdb0/0xdb0 [ 715.872913][ T28] ? __virt_addr_valid+0x61/0x2e0 [ 715.877967][ T28] arch_do_signal_or_restart+0x79/0x5c0 [ 715.883593][ T28] ? get_sigframe_size+0x10/0x10 [ 715.888534][ T28] ? task_work_add+0x18e/0x2c0 [ 715.893416][ T28] ? task_work_func_match+0x40/0x40 [ 715.898635][ T28] exit_to_user_mode_prepare+0x15f/0x250 [ 715.904308][ T28] syscall_exit_to_user_mode+0x1d/0x50 [ 715.909780][ T28] do_syscall_64+0x46/0xb0 [ 715.914237][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 715.920150][ T28] RIP: 0033:0x7fc19fcb55a9 [ 715.924599][ T28] RSP: 002b:00007fc19fc41308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 715.933064][ T28] RAX: 0000000000000000 RBX: 00007fc19fd3a4d8 RCX: 00007fc19fcb55a9 [ 715.941634][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 715.949670][ T28] RBP: 00007fc19fd3a4d0 R08: 00007fc19fc41700 R09: 0000000000000000 [ 715.957690][ T28] R10: 00007fc19fc41700 R11: 0000000000000246 R12: 00007fc19fd3a4dc [ 715.965709][ T28] R13: 00007fc19fd071bc R14: 64626e2f7665642f R15: 0000000000022000 [ 715.973786][ T28] [ 715.976797][ T28] [ 715.976797][ T28] Showing all locks held in the system: [ 715.984547][ T28] 1 lock held by rcu_tasks_kthre/12: [ 715.989829][ T28] #0: ffffffff8c794e70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 716.000317][ T28] 1 lock held by rcu_tasks_trace/13: [ 716.005740][ T28] #0: ffffffff8c794b70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 716.016787][ T28] 1 lock held by khungtaskd/28: [ 716.021654][ T28] #0: ffffffff8c7959c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 [ 716.031710][ T28] 2 locks held by getty/4757: [ 716.036410][ T28] #0: ffff88802792d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [ 716.046220][ T28] #1: ffffc900015c02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [ 716.056454][ T28] 1 lock held by udevd/5109: [ 716.061031][ T28] #0: ffff88801e6c64c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xb80 [ 716.071637][ T28] 1 lock held by syz-executor272/5173: [ 716.077123][ T28] #0: ffff88801e6c64c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xb80 [ 716.087705][ T28] 1 lock held by syz-executor272/5174: [ 716.093196][ T28] #0: ffff88801e6c64c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xc0/0x770 [ 716.102560][ T28] [ 716.104887][ T28] ============================================= [ 716.104887][ T28] [ 716.113325][ T28] NMI backtrace for cpu 0 [ 716.117647][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-syzkaller-13115-gee3f96b16468 #0 [ 716.127085][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 716.137125][ T28] Call Trace: [ 716.140388][ T28] [ 716.143303][ T28] dump_stack_lvl+0xd9/0x150 [ 716.147909][ T28] nmi_cpu_backtrace+0x316/0x3e0 [ 716.152836][ T28] nmi_trigger_cpumask_backtrace+0x33f/0x460 [ 716.158803][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 716.164001][ T28] watchdog+0xe94/0x11e0 [ 716.168231][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 716.174201][ T28] kthread+0x2e8/0x3a0 [ 716.178264][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 716.183889][ T28] ret_from_fork+0x1f/0x30 [ 716.188309][ T28] [ 716.191399][ T28] Sending NMI from CPU 0 to CPUs 1: [ 716.196645][ C1] NMI backtrace for cpu 1 [ 716.196652][ C1] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.2.0-syzkaller-13115-gee3f96b16468 #0 [ 716.196666][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 716.196674][ C1] Workqueue: events_unbound toggle_allocation_gate [ 716.196693][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x20 [ 716.196709][ C1] Code: 00 00 f3 0f 1e fa 48 8b 0c 24 89 f2 89 fe bf 05 00 00 00 e9 9a fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 <48> 89 f2 48 89 fe bf 07 00 00 00 e9 78 fe ff ff 0f 1f 84 00 00 00 [ 716.196721][ C1] RSP: 0018:ffffc900000e7998 EFLAGS: 00000202 [ 716.196731][ C1] RAX: dffffc0000000000 RBX: 0000000012467007 RCX: ffffffff81c2e957 [ 716.196740][ C1] RDX: 1ffff1100248cb55 RSI: 0000000012467007 RDI: 0000000000000000 [ 716.196748][ C1] RBP: 00002aaaaaaab000 R08: 0000000000000007 R09: 0000000000000080 [ 716.196756][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000012467067 [ 716.196763][ C1] R13: ffffc900000e7a40 R14: ffff888012465aa8 R15: ffff888012468000 [ 716.196774][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 716.196787][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.196796][ C1] CR2: 000055edea9b5c20 CR3: 000000000c571000 CR4: 0000000000350ee0 [ 716.196804][ C1] Call Trace: [ 716.196807][ C1] [ 716.196811][ C1] __get_locked_pte+0x67/0x270 [ 716.196828][ C1] ? kmem_cache_alloc_bulk+0x1b9/0x860 [ 716.196848][ C1] ? kmem_cache_alloc_bulk+0x1b9/0x860 [ 716.196874][ C1] __text_poke+0x1b3/0x8e0 [ 716.196890][ C1] ? setup_data_read+0x230/0x230 [ 716.196907][ C1] ? text_poke_memset+0x60/0x60 [ 716.196924][ C1] ? kmem_cache_alloc_bulk+0x1b9/0x860 [ 716.196944][ C1] text_poke_bp_batch+0x3af/0x770 [ 716.196961][ C1] ? do_sync_core+0x30/0x30 [ 716.196978][ C1] ? arch_jump_label_transform_queue+0xa4/0x100 [ 716.196993][ C1] ? __jump_label_update+0x296/0x410 [ 716.197010][ C1] text_poke_finish+0x1a/0x30 [ 716.197026][ C1] arch_jump_label_transform_apply+0x17/0x30 [ 716.197040][ C1] jump_label_update+0x32f/0x410 [ 716.197057][ C1] static_key_disable_cpuslocked+0x156/0x1b0 [ 716.197075][ C1] static_key_disable+0x1a/0x20 [ 716.197091][ C1] toggle_allocation_gate+0x143/0x230 [ 716.197108][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 716.197127][ C1] process_one_work+0x9bf/0x1820 [ 716.197146][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 716.197163][ C1] ? spin_bug+0x1c0/0x1c0 [ 716.197180][ C1] worker_thread+0x669/0x1090 [ 716.197198][ C1] ? process_one_work+0x1820/0x1820 [ 716.197215][ C1] kthread+0x2e8/0x3a0 [ 716.197227][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 716.197242][ C1] ret_from_fork+0x1f/0x30 [ 716.197263][ C1] [ 716.197644][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 716.471051][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-syzkaller-13115-gee3f96b16468 #0 [ 716.480494][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 716.490537][ T28] Call Trace: [ 716.493805][ T28] [ 716.496726][ T28] dump_stack_lvl+0xd9/0x150 [ 716.501313][ T28] panic+0x61b/0x6c0 [ 716.505202][ T28] ? panic_smp_self_stop+0x90/0x90 [ 716.510307][ T28] ? irq_work_claim+0x76/0x90 [ 716.514987][ T28] ? irq_work_queue+0x2d/0x80 [ 716.519660][ T28] ? watchdog+0xc20/0x11e0 [ 716.524069][ T28] watchdog+0xc31/0x11e0 [ 716.528303][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 716.534275][ T28] kthread+0x2e8/0x3a0 [ 716.538332][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 716.543959][ T28] ret_from_fork+0x1f/0x30 [ 716.548382][ T28] [ 716.552276][ T28] Kernel Offset: disabled [ 716.556588][ T28] Rebooting in 86400 seconds..