Warning: Permanently added '10.128.15.222' (ECDSA) to the list of known hosts. executing program [ 315.012826][ T3986] nbd0: detected capacity change from 0 to 262 [ 315.174106][ T144] block nbd0: Receive control failed (result -104) [ 315.174742][ T3986] block nbd0: shutting down sockets [ 315.178352][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 315.180635][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 315.182394][ T3988] ldm_validate_partition_table(): Disk read failed. [ 315.183851][ T3988] Dev nbd0: unable to read RDB block 0 [ 315.185015][ T3988] nbd0: unable to read partition table [ 315.186244][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 315.242462][ T3990] nbd0: detected capacity change from 0 to 262 [ 315.403595][ T144] block nbd0: Receive control failed (result -104) [ 315.404042][ T3990] block nbd0: shutting down sockets [ 315.407569][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 315.409901][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 315.411678][ T3988] ldm_validate_partition_table(): Disk read failed. [ 315.413090][ T3988] Dev nbd0: unable to read RDB block 0 [ 315.414268][ T3988] nbd0: unable to read partition table [ 315.415524][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 315.462306][ T3992] nbd0: detected capacity change from 0 to 262 [ 315.623663][ T144] block nbd0: Receive control failed (result -104) [ 315.624055][ T3992] block nbd0: shutting down sockets [ 315.627553][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 315.629954][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 315.631852][ T3988] ldm_validate_partition_table(): Disk read failed. [ 315.633278][ T3988] Dev nbd0: unable to read RDB block 0 [ 315.634625][ T3988] nbd0: unable to read partition table [ 315.635803][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 315.692001][ T3994] nbd0: detected capacity change from 0 to 262 [ 315.853680][ T144] block nbd0: Receive control failed (result -104) [ 315.854089][ T3994] block nbd0: shutting down sockets [ 315.857829][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 315.860340][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 315.862181][ T3988] ldm_validate_partition_table(): Disk read failed. [ 315.863568][ T3988] Dev nbd0: unable to read RDB block 0 [ 315.864660][ T3988] nbd0: unable to read partition table [ 315.865823][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 315.923173][ T3996] nbd0: detected capacity change from 0 to 262 [ 316.084834][ T144] block nbd0: Receive control failed (result -104) [ 316.085284][ T3996] block nbd0: shutting down sockets [ 316.088848][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 316.091276][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 316.093018][ T3988] ldm_validate_partition_table(): Disk read failed. [ 316.094548][ T3988] Dev nbd0: unable to read RDB block 0 [ 316.095734][ T3988] nbd0: unable to read partition table [ 316.097008][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 316.142311][ T3998] nbd0: detected capacity change from 0 to 262 [ 316.303581][ T144] block nbd0: Receive control failed (result -104) [ 316.303983][ T3998] block nbd0: shutting down sockets [ 316.307473][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 316.309823][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 316.311744][ T3988] ldm_validate_partition_table(): Disk read failed. [ 316.313229][ T3988] Dev nbd0: unable to read RDB block 0 [ 316.314480][ T3988] nbd0: unable to read partition table [ 316.315879][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 316.362512][ T4000] nbd0: detected capacity change from 0 to 262 [ 316.523699][ T144] block nbd0: Receive control failed (result -104) [ 316.524101][ T4000] block nbd0: shutting down sockets [ 316.527670][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 316.530021][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 316.531936][ T3988] ldm_validate_partition_table(): Disk read failed. [ 316.533530][ T3988] Dev nbd0: unable to read RDB block 0 [ 316.534775][ T3988] nbd0: unable to read partition table [ 316.536009][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 316.582166][ T4002] nbd0: detected capacity change from 0 to 262 [ 316.744106][ T144] block nbd0: Receive control failed (result -104) [ 316.744514][ T4002] block nbd0: shutting down sockets [ 316.748020][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 316.750290][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 316.752115][ T3988] ldm_validate_partition_table(): Disk read failed. [ 316.753580][ T3988] Dev nbd0: unable to read RDB block 0 [ 316.754778][ T3988] nbd0: unable to read partition table [ 316.755903][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 316.812032][ T4004] nbd0: detected capacity change from 0 to 262 [ 316.974141][ T144] block nbd0: Receive control failed (result -104) [ 316.974702][ T4004] block nbd0: shutting down sockets [ 316.978163][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 316.980587][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 316.982460][ T3988] ldm_validate_partition_table(): Disk read failed. [ 316.983945][ T3988] Dev nbd0: unable to read RDB block 0 [ 316.985162][ T3988] nbd0: unable to read partition table [ 316.986387][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 317.032043][ T4006] nbd0: detected capacity change from 0 to 262 [ 317.193512][ T144] block nbd0: Receive control failed (result -104) [ 317.193927][ T4006] block nbd0: shutting down sockets [ 317.197553][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 317.199885][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 317.201667][ T3988] ldm_validate_partition_table(): Disk read failed. [ 317.203036][ T3988] Dev nbd0: unable to read RDB block 0 [ 317.204285][ T3988] nbd0: unable to read partition table [ 317.205534][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 317.252409][ T4008] nbd0: detected capacity change from 0 to 262 [ 317.414207][ T144] block nbd0: Receive control failed (result -104) [ 317.414787][ T4008] block nbd0: shutting down sockets [ 317.418821][ T3988] ldm_validate_partition_table(): Disk read failed. [ 317.420236][ T3988] Dev nbd0: unable to read RDB block 0 [ 317.421491][ T3988] nbd0: unable to read partition table [ 317.422833][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 317.472446][ T4010] nbd0: detected capacity change from 0 to 262 [ 317.633633][ T144] block nbd0: Receive control failed (result -104) [ 317.634050][ T4010] block nbd0: shutting down sockets [ 317.637909][ T3988] ldm_validate_partition_table(): Disk read failed. [ 317.639364][ T3988] Dev nbd0: unable to read RDB block 0 [ 317.640469][ T3988] nbd0: unable to read partition table [ 317.641972][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 317.692343][ T4012] nbd0: detected capacity change from 0 to 262 [ 317.854434][ T144] block nbd0: Receive control failed (result -104) [ 317.854843][ T4012] block nbd0: shutting down sockets [ 317.858669][ T3988] ldm_validate_partition_table(): Disk read failed. [ 317.860058][ T3988] Dev nbd0: unable to read RDB block 0 [ 317.861372][ T3988] nbd0: unable to read partition table [ 317.862648][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 317.912420][ T4014] nbd0: detected capacity change from 0 to 262 [ 318.073696][ T144] block nbd0: Receive control failed (result -104) [ 318.074232][ T4014] block nbd0: shutting down sockets [ 318.077940][ T3988] ldm_validate_partition_table(): Disk read failed. [ 318.079361][ T3988] Dev nbd0: unable to read RDB block 0 [ 318.080618][ T3988] nbd0: unable to read partition table [ 318.081955][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 318.132297][ T4016] nbd0: detected capacity change from 0 to 262 [ 318.293672][ T144] block nbd0: Receive control failed (result -104) [ 318.294163][ T4016] block nbd0: shutting down sockets [ 318.298030][ T3988] ldm_validate_partition_table(): Disk read failed. [ 318.299360][ T3988] Dev nbd0: unable to read RDB block 0 [ 318.300574][ T3988] nbd0: unable to read partition table [ 318.302028][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 318.382482][ T4019] nbd0: detected capacity change from 0 to 262 [ 318.524594][ T144] block nbd0: Receive control failed (result -104) [ 318.525139][ T4019] block nbd0: shutting down sockets [ 318.528905][ T3988] ldm_validate_partition_table(): Disk read failed. [ 318.530281][ T3988] Dev nbd0: unable to read RDB block 0 [ 318.531639][ T3988] nbd0: unable to read partition table [ 318.532895][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 318.612245][ T4022] nbd0: detected capacity change from 0 to 262 [ 318.755502][ T144] block nbd0: Receive control failed (result -104) [ 318.755911][ T4022] block nbd0: shutting down sockets [ 318.760025][ T3988] ldm_validate_partition_table(): Disk read failed. [ 318.761605][ T3988] Dev nbd0: unable to read RDB block 0 [ 318.762721][ T3988] nbd0: unable to read partition table [ 318.763971][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 318.802302][ T4024] nbd0: detected capacity change from 0 to 262 [ 318.963857][ T144] block nbd0: Receive control failed (result -104) [ 318.964285][ T4024] block nbd0: shutting down sockets [ 318.968141][ T3988] ldm_validate_partition_table(): Disk read failed. [ 318.969489][ T3988] Dev nbd0: unable to read RDB block 0 [ 318.970721][ T3988] nbd0: unable to read partition table [ 318.972220][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 319.032274][ T4027] nbd0: detected capacity change from 0 to 262 [ 319.192521][ T144] block nbd0: Receive control failed (result -104) [ 319.193637][ T4027] block nbd0: shutting down sockets [ 319.196888][ T3988] ldm_validate_partition_table(): Disk read failed. [ 319.198373][ T3988] Dev nbd0: unable to read RDB block 0 [ 319.199639][ T3988] nbd0: unable to read partition table [ 319.200888][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 319.252371][ T4029] nbd0: detected capacity change from 0 to 262 [ 319.413131][ T144] block nbd0: Receive control failed (result -104) [ 319.413680][ T4029] block nbd0: shutting down sockets [ 319.417419][ T3988] ldm_validate_partition_table(): Disk read failed. [ 319.418852][ T3988] Dev nbd0: unable to read RDB block 0 [ 319.419993][ T3988] nbd0: unable to read partition table [ 319.421180][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 319.472296][ T4031] nbd0: detected capacity change from 0 to 262 [ 319.633698][ T144] block nbd0: Receive control failed (result -104) [ 319.634240][ T4031] block nbd0: shutting down sockets [ 319.638047][ T3988] ldm_validate_partition_table(): Disk read failed. [ 319.639435][ T3988] Dev nbd0: unable to read RDB block 0 [ 319.640743][ T3988] nbd0: unable to read partition table [ 319.642094][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 319.692300][ T4033] nbd0: detected capacity change from 0 to 262 [ 319.853622][ T144] block nbd0: Receive control failed (result -104) [ 319.855536][ T4033] block nbd0: shutting down sockets [ 319.858434][ T3988] ldm_validate_partition_table(): Disk read failed. [ 319.859836][ T3988] Dev nbd0: unable to read RDB block 0 [ 319.860950][ T3988] nbd0: unable to read partition table [ 319.862458][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 319.912333][ T4035] nbd0: detected capacity change from 0 to 262 [ 320.074221][ T144] block nbd0: Receive control failed (result -104) [ 320.074676][ T4035] block nbd0: shutting down sockets [ 320.078490][ T3988] ldm_validate_partition_table(): Disk read failed. [ 320.079855][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.081093][ T3988] nbd0: unable to read partition table [ 320.082600][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 320.142806][ T4038] nbd0: detected capacity change from 0 to 262 [ 320.304213][ T144] block nbd0: Receive control failed (result -104) [ 320.304771][ T4038] block nbd0: shutting down sockets [ 320.308316][ C1] print_req_error: 26 callbacks suppressed [ 320.308341][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.311977][ C1] buffer_io_error: 26 callbacks suppressed [ 320.311988][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.315063][ T3988] ldm_validate_partition_table(): Disk read failed. [ 320.316553][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.317609][ T3988] nbd0: unable to read partition table [ 320.318842][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 320.372375][ T4040] nbd0: detected capacity change from 0 to 262 [ 320.534298][ T144] block nbd0: Receive control failed (result -104) [ 320.534869][ T4040] block nbd0: shutting down sockets [ 320.551556][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.553867][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.555832][ T3988] ldm_validate_partition_table(): Disk read failed. [ 320.557117][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.558203][ T3988] nbd0: unable to read partition table [ 320.559454][ T3988] nbd0: partition table beyond EOD, truncated executing program [ 320.567726][ T4042] nbd0: detected capacity change from 0 to 262 [ 320.601914][ T4042] block nbd0: Device being setup by another task [ 320.603759][ T149] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.606236][ T149] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.608162][ T149] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.610493][ T149] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.612988][ T149] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.615241][ T149] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.617188][ T149] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.619645][ T149] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.621782][ T227] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.624195][ T227] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.626017][ T227] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.628332][ T227] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.630117][ T227] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.632618][ T227] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.634564][ T227] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 320.636887][ T227] Buffer I/O error on dev nbd0, logical block 0, async page read [ 320.638554][ T3988] ldm_validate_partition_table(): Disk read failed. [ 320.640511][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.642335][ T3988] nbd0: unable to read partition table [ 320.645979][ T3988] ldm_validate_partition_table(): Disk read failed. [ 320.648019][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.649845][ T3988] nbd0: unable to read partition table executing program [ 320.656519][ T4044] ldm_validate_partition_table(): Disk read failed. [ 320.658598][ T4044] Dev nbd0: unable to read RDB block 0 [ 320.660456][ T4044] nbd0: unable to read partition table [ 320.701408][ T4044] block nbd0: Device being setup by another task [ 320.703900][ T3988] ldm_validate_partition_table(): Disk read failed. [ 320.705876][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.707644][ T3988] nbd0: unable to read partition table [ 320.711158][ T3988] ldm_validate_partition_table(): Disk read failed. executing program [ 320.715924][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.717695][ T3988] nbd0: unable to read partition table [ 320.720449][ T4046] ldm_validate_partition_table(): Disk read failed. [ 320.722881][ T4046] Dev nbd0: unable to read RDB block 0 [ 320.724622][ T4046] nbd0: unable to read partition table [ 320.771346][ T4046] block nbd0: Device being setup by another task [ 320.774032][ T3988] ldm_validate_partition_table(): Disk read failed. [ 320.775883][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.777582][ T3988] nbd0: unable to read partition table [ 320.780935][ T3988] ldm_validate_partition_table(): Disk read failed. executing program [ 320.785384][ T3988] Dev nbd0: unable to read RDB block 0 [ 320.787067][ T3988] nbd0: unable to read partition table [ 320.789636][ T4048] ldm_validate_partition_table(): Disk read failed. [ 320.792084][ T4048] Dev nbd0: unable to read RDB block 0 [ 320.793747][ T4048] nbd0: unable to read partition table [ 320.851489][ T4048] block nbd0: Device being setup by another task executing program [ 320.922560][ T4051] nbd0: detected capacity change from 0 to 262 [ 321.084765][ T144] block nbd0: Receive control failed (result -104) [ 351.241374][ T227] block nbd0: Possible stuck request 000000003dbd2d3d: control (read@0,4096B). Runtime 30 seconds [ 380.996020][ T3583] udevd[3583]: worker [3988] /devices/virtual/block/nbd0 is taking a long time [ 381.321477][ T227] block nbd0: Possible stuck request 000000003dbd2d3d: control (read@0,4096B). Runtime 60 seconds [ 411.401323][ T227] block nbd0: Possible stuck request 000000003dbd2d3d: control (read@0,4096B). Runtime 90 seconds [ 441.481346][ T227] block nbd0: Possible stuck request 000000003dbd2d3d: control (read@0,4096B). Runtime 120 seconds [ 471.561371][ T227] block nbd0: Possible stuck request 000000003dbd2d3d: control (read@0,4096B). Runtime 150 seconds [ 501.145166][ T3583] udevd[3583]: worker [3988] /devices/virtual/block/nbd0 timeout; kill it [ 501.147084][ T3583] udevd[3583]: seq 9391 '/devices/virtual/block/nbd0' killed [ 501.641359][ T227] block nbd0: Possible stuck request 000000003dbd2d3d: control (read@0,4096B). Runtime 180 seconds [ 531.721370][ T227] block nbd0: Possible stuck request 000000003dbd2d3d: control (read@0,4096B). Runtime 210 seconds [ 561.801301][ T227] block nbd0: Possible stuck request 000000003dbd2d3d: control (read@0,4096B). Runtime 240 seconds [ 571.401393][ T27] INFO: task udevd:3988 blocked for more than 143 seconds. [ 571.403020][ T27] Not tainted 5.15.115-syzkaller #0 [ 571.404314][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.406194][ T27] task:udevd state:D stack: 0 pid: 3988 ppid: 3583 flags:0x00000005 [ 571.408116][ T27] Call trace: [ 571.408789][ T27] __switch_to+0x308/0x5e8 [ 571.409775][ T27] __schedule+0xf10/0x1e38 [ 571.410767][ T27] schedule+0x11c/0x1c8 [ 571.411830][ T27] io_schedule+0x8c/0x194 [ 571.412788][ T27] wait_on_page_bit_common+0x6fc/0xc14 [ 571.414005][ T27] do_read_cache_page+0x760/0x950 [ 571.415062][ T27] read_cache_page+0x68/0x84 [ 571.416160][ T27] read_part_sector+0xe8/0x4d8 [ 571.417244][ T27] adfspart_check_ICS+0xd4/0x5d0 [ 571.418303][ T27] bdev_disk_changed+0x774/0x1370 [ 571.419367][ T27] blkdev_get_whole+0x2a0/0x344 [ 571.420347][ T27] blkdev_get_by_dev+0x238/0x89c [ 571.421462][ T27] blkdev_open+0x10c/0x274 [ 571.422459][ T27] do_dentry_open+0x780/0xed8 [ 571.423452][ T27] vfs_open+0x7c/0x90 [ 571.424245][ T27] path_openat+0x1f28/0x26f0 [ 571.425542][ T27] do_filp_open+0x1a8/0x3b4 [ 571.426487][ T27] do_sys_openat2+0x128/0x3d8 [ 571.427473][ T27] __arm64_sys_openat+0x1f0/0x240 [ 571.428524][ T27] invoke_syscall+0x98/0x2b8 [ 571.429504][ T27] el0_svc_common+0x138/0x258 [ 571.430473][ T27] do_el0_svc+0x58/0x14c [ 571.431466][ T27] el0_svc+0x7c/0x1f0 [ 571.432402][ T27] el0t_64_sync_handler+0x84/0xe4 [ 571.433476][ T27] el0t_64_sync+0x1a0/0x1a4 [ 571.434337][ T27] INFO: task syz-executor189:4051 blocked for more than 143 seconds. [ 571.435900][ T27] Not tainted 5.15.115-syzkaller #0 [ 571.437161][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.439038][ T27] task:syz-executor189 state:D stack: 0 pid: 4051 ppid: 3984 flags:0x00000009 [ 571.440988][ T27] Call trace: [ 571.441755][ T27] __switch_to+0x308/0x5e8 [ 571.442728][ T27] __schedule+0xf10/0x1e38 [ 571.443665][ T27] schedule+0x11c/0x1c8 [ 571.444600][ T27] schedule_preempt_disabled+0x18/0x2c [ 571.445792][ T27] __mutex_lock_common+0xba0/0x2154 [ 571.446896][ T27] mutex_lock_nested+0xa4/0xf8 [ 571.447952][ T27] blkdev_put+0xe0/0x6b0 [ 571.448898][ T27] blkdev_close+0x74/0xb0 [ 571.449830][ T27] __fput+0x30c/0x7f0 [ 571.450686][ T27] ____fput+0x20/0x30 [ 571.451651][ T27] task_work_run+0x130/0x1e4 [ 571.452604][ T27] do_notify_resume+0x262c/0x32b8 [ 571.453676][ T27] el0_svc+0xfc/0x1f0 [ 571.454572][ T27] el0t_64_sync_handler+0x84/0xe4 [ 571.455642][ T27] el0t_64_sync+0x1a0/0x1a4 [ 571.456597][ T27] [ 571.456597][ T27] Showing all locks held in the system: [ 571.458325][ T27] 1 lock held by khungtaskd/27: [ 571.459460][ T27] #0: ffff800014aa19a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.461565][ T27] 1 lock held by klogd/3572: [ 571.462618][ T27] #0: ffff0001b4830d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x328/0x1e38 [ 571.464628][ T27] 2 locks held by getty/3721: [ 571.465590][ T27] #0: ffff0000d4811098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 571.467718][ T27] #1: ffff80001a28b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 [ 571.469920][ T27] 1 lock held by udevd/3988: [ 571.470922][ T27] #0: ffff0000cbc0c918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x12c/0x89c [ 571.473244][ T27] 1 lock held by syz-executor189/4051: [ 571.474409][ T27] #0: ffff0000cbc0c918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xe0/0x6b0 [ 571.476434][ T27] [ 571.476927][ T27] ============================================= [ 571.476927][ T27] [ 571.478686][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 571.480144][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.115-syzkaller #0 [ 571.481799][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 571.484027][ T27] Call trace: [ 571.484663][ T27] dump_backtrace+0x0/0x530 [ 571.485723][ T27] show_stack+0x2c/0x3c [ 571.486572][ T27] dump_stack_lvl+0x108/0x170 [ 571.487549][ T27] dump_stack+0x1c/0x58 [ 571.488440][ T27] panic+0x304/0x8b4 [ 571.489229][ T27] hung_task_panic+0x0/0x2c [ 571.490201][ T27] kthread+0x37c/0x45c [ 571.491110][ T27] ret_from_fork+0x10/0x20 [ 571.492033][ T27] SMP: stopping secondary CPUs [ 571.493128][ T27] Kernel Offset: disabled [ 571.494100][ T27] CPU features: 0x000081c1,21302e40 [ 571.495310][ T27] Memory Limit: none [ 571.897640][ T27] Rebooting in 86400 seconds..