3.158185][ T9550] nbd1045: detected capacity change from 0 to 127 [ 573.166239][ T52] block nbd1045: Receive control failed (result -32) [ 573.167329][ T6279] block nbd1045: Receive control failed (result -32) [ 573.186009][ T9552] blk-mq: reduced tag depth (128 -> 64) executing program [ 573.457940][ T9552] nbd1046: detected capacity change from 0 to 127 [ 573.466597][ T6279] block nbd1046: Receive control failed (result -32) [ 573.467713][ T52] block nbd1046: Receive control failed (result -32) [ 573.487958][ T9554] blk-mq: reduced tag depth (128 -> 64) executing program [ 573.727949][ T9554] nbd1047: detected capacity change from 0 to 127 [ 573.735941][ T6279] block nbd1047: Receive control failed (result -32) [ 573.737008][ T52] block nbd1047: Receive control failed (result -32) executing program [ 573.987964][ T9556] nbd1048: detected capacity change from 0 to 127 [ 573.995999][ T52] block nbd1048: Receive control failed (result -32) [ 573.997039][ T6279] block nbd1048: Receive control failed (result -32) executing program [ 574.298292][ T9558] nbd1049: detected capacity change from 0 to 127 [ 574.306448][ T52] block nbd1049: Receive control failed (result -32) [ 574.307521][ T6279] block nbd1049: Receive control failed (result -32) [ 574.328095][ T9560] blk-mq: reduced tag depth (128 -> 64) executing program [ 574.588022][ T9560] nbd1050: detected capacity change from 0 to 127 [ 574.596749][ T52] block nbd1050: Receive control failed (result -32) [ 574.596745][ T6279] block nbd1050: Receive control failed (result -32) [ 574.615810][ T9562] blk-mq: reduced tag depth (128 -> 64) executing program [ 574.897971][ T9562] nbd1051: detected capacity change from 0 to 127 [ 574.906023][ T6279] block nbd1051: Receive control failed (result -32) [ 574.907129][ T52] block nbd1051: Receive control failed (result -32) [ 574.933743][ T9564] blk-mq: reduced tag depth (128 -> 64) executing program [ 575.217930][ T9564] nbd1052: detected capacity change from 0 to 127 [ 575.226023][ T6279] block nbd1052: Receive control failed (result -32) [ 575.226022][ T52] block nbd1052: Receive control failed (result -32) [ 575.246256][ T9566] blk-mq: reduced tag depth (128 -> 64) executing program [ 575.547905][ T9566] nbd1053: detected capacity change from 0 to 127 [ 575.556534][ T6279] block nbd1053: Receive control failed (result -32) [ 575.556534][ T52] block nbd1053: Receive control failed (result -32) [ 575.580087][ T9568] blk-mq: reduced tag depth (128 -> 64) executing program [ 575.847925][ T9568] nbd1054: detected capacity change from 0 to 127 [ 575.856138][ T52] block nbd1054: Receive control failed (result -32) [ 575.856144][ T6279] block nbd1054: Receive control failed (result -32) executing program [ 576.157965][ T9570] nbd1055: detected capacity change from 0 to 127 [ 576.166488][ T52] block nbd1055: Receive control failed (result -32) [ 576.166494][ T6279] block nbd1055: Receive control failed (result -32) [ 576.185994][ T9572] blk-mq: reduced tag depth (128 -> 64) executing program [ 576.467970][ T9572] nbd1056: detected capacity change from 0 to 127 [ 576.476057][ T6279] block nbd1056: Receive control failed (result -32) [ 576.476057][ T52] block nbd1056: Receive control failed (result -32) [ 576.494452][ T9574] FAULT_INJECTION: forcing a failure. [ 576.494452][ T9574] name failslab, interval 1, probability 0, space 0, times 0 [ 576.507956][ T9574] CPU: 1 UID: 0 PID: 9574 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 576.507981][ T9574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 576.507992][ T9574] Call Trace: [ 576.508000][ T9574] [ 576.508007][ T9574] dump_stack_lvl+0x189/0x250 [ 576.508030][ T9574] ? __pfx____ratelimit+0x10/0x10 [ 576.508052][ T9574] ? __pfx_dump_stack_lvl+0x10/0x10 [ 576.508069][ T9574] ? __pfx__printk+0x10/0x10 [ 576.508092][ T9574] ? __pfx___might_resched+0x10/0x10 [ 576.508108][ T9574] ? fs_reclaim_acquire+0x7d/0x100 [ 576.508131][ T9574] should_fail_ex+0x414/0x560 [ 576.508152][ T9574] should_failslab+0xa8/0x100 [ 576.508173][ T9574] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 576.508192][ T9574] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 576.508210][ T9574] ? __init_waitqueue_head+0xa9/0x150 [ 576.508228][ T9574] sbitmap_queue_init_node+0x1dc/0x4d0 [ 576.508249][ T9574] blk_mq_init_tags+0x1b9/0x2f0 [ 576.508279][ T9574] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 576.508293][ T9574] ? blk_mq_map_queues+0x3ff/0x4a0 [ 576.508307][ T9574] ? kfree+0x19a/0x6d0 [ 576.508327][ T9574] ? blk_mq_map_queues+0x3ff/0x4a0 [ 576.508344][ T9574] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 576.508370][ T9574] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 576.508395][ T9574] nbd_dev_add+0x2d7/0xae0 [ 576.508415][ T9574] ? __pfx_nbd_dev_add+0x10/0x10 [ 576.508454][ T9574] nbd_genl_connect+0x919/0x18f0 [ 576.508476][ T9574] ? __pfx_nbd_genl_connect+0x10/0x10 [ 576.508495][ T9574] ? rcu_is_watching+0x15/0xb0 [ 576.508515][ T9574] ? __nla_parse+0x40/0x60 [ 576.508535][ T9574] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 576.508562][ T9574] genl_family_rcv_msg_doit+0x215/0x300 [ 576.508587][ T9574] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 576.508617][ T9574] ? stack_trace_save+0x9c/0xe0 [ 576.508635][ T9574] genl_rcv_msg+0x60e/0x790 [ 576.508660][ T9574] ? __pfx_genl_rcv_msg+0x10/0x10 [ 576.508677][ T9574] ? __pfx_nbd_genl_connect+0x10/0x10 [ 576.508702][ T9574] netlink_rcv_skb+0x208/0x470 [ 576.508717][ T9574] ? __lock_acquire+0xab9/0xd20 [ 576.508734][ T9574] ? __pfx_genl_rcv_msg+0x10/0x10 [ 576.508755][ T9574] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 576.508785][ T9574] ? down_read+0x1ad/0x2e0 [ 576.508806][ T9574] genl_rcv+0x28/0x40 [ 576.508823][ T9574] netlink_unicast+0x82f/0x9e0 [ 576.508845][ T9574] ? __pfx_netlink_unicast+0x10/0x10 [ 576.508861][ T9574] ? netlink_sendmsg+0x642/0xb30 [ 576.508875][ T9574] ? skb_put+0x11b/0x210 [ 576.508895][ T9574] netlink_sendmsg+0x805/0xb30 [ 576.508918][ T9574] ? __pfx_netlink_sendmsg+0x10/0x10 [ 576.508937][ T9574] ? aa_sock_msg_perm+0xf1/0x1d0 [ 576.508954][ T9574] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 576.508973][ T9574] ? __pfx_netlink_sendmsg+0x10/0x10 [ 576.508990][ T9574] __sock_sendmsg+0x21c/0x270 [ 576.509007][ T9574] ____sys_sendmsg+0x505/0x830 [ 576.509031][ T9574] ? __pfx_____sys_sendmsg+0x10/0x10 [ 576.509056][ T9574] ? import_iovec+0x74/0xa0 [ 576.509071][ T9574] ___sys_sendmsg+0x21f/0x2a0 [ 576.509091][ T9574] ? __pfx____sys_sendmsg+0x10/0x10 [ 576.509114][ T9574] ? rcu_read_lock_any_held+0xb3/0x120 [ 576.509142][ T9574] ? sb_end_write+0xe9/0x1c0 [ 576.509168][ T9574] ? __pfx_vfs_write+0x10/0x10 [ 576.509195][ T9574] __x64_sys_sendmsg+0x19b/0x260 [ 576.509215][ T9574] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 576.509240][ T9574] ? __pfx_ksys_write+0x10/0x10 [ 576.509256][ T9574] ? do_syscall_64+0xbe/0xfa0 [ 576.509281][ T9574] do_syscall_64+0xfa/0xfa0 [ 576.509297][ T9574] ? lockdep_hardirqs_on+0x9c/0x150 [ 576.509314][ T9574] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 576.509328][ T9574] ? clear_bhb_loop+0x60/0xb0 [ 576.509344][ T9574] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 576.509357][ T9574] RIP: 0033:0x7f497562bba9 [ 576.509371][ T9574] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 576.509384][ T9574] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 576.509401][ T9574] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 576.509412][ T9574] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 576.509422][ T9574] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 576.509432][ T9574] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 576.509441][ T9574] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 576.509465][ T9574] [ 576.509741][ T9574] blk-mq: reduced tag depth (128 -> 64) executing program [ 577.187944][ T9574] nbd1057: detected capacity change from 0 to 127 [ 577.195992][ T52] block nbd1057: Receive control failed (result -32) [ 577.195989][ T6279] block nbd1057: Receive control failed (result -32) [ 577.219653][ T9576] blk-mq: reduced tag depth (128 -> 64) executing program [ 577.497903][ T9576] nbd1058: detected capacity change from 0 to 127 [ 577.506060][ T52] block nbd1058: Receive control failed (result -32) [ 577.506063][ T6279] block nbd1058: Receive control failed (result -32) [ 577.535874][ T9578] blk-mq: reduced tag depth (128 -> 64) executing program [ 577.877923][ T9578] nbd1059: detected capacity change from 0 to 127 [ 577.886202][ T6279] block nbd1059: Receive control failed (result -32) [ 577.887564][ T52] block nbd1059: Receive control failed (result -32) [ 577.907740][ T9580] blk-mq: reduced tag depth (128 -> 64) executing program [ 578.197995][ T9580] nbd1060: detected capacity change from 0 to 127 [ 578.207372][ T6279] block nbd1060: Receive control failed (result -32) [ 578.208485][ T52] block nbd1060: Receive control failed (result -32) executing program [ 578.497893][ T9582] nbd1061: detected capacity change from 0 to 127 [ 578.505955][ T52] block nbd1061: Receive control failed (result -32) [ 578.505955][ T6279] block nbd1061: Receive control failed (result -32) [ 578.530055][ T9584] blk-mq: reduced tag depth (128 -> 64) executing program [ 578.807939][ T9584] nbd1062: detected capacity change from 0 to 127 [ 578.816543][ T52] block nbd1062: Receive control failed (result -32) [ 578.817619][ T6279] block nbd1062: Receive control failed (result -32) [ 578.836579][ T9586] blk-mq: reduced tag depth (128 -> 64) executing program [ 579.148075][ T9586] nbd1063: detected capacity change from 0 to 127 [ 579.156265][ T52] block nbd1063: Receive control failed (result -32) [ 579.156979][ T6279] block nbd1063: Receive control failed (result -32) [ 579.177009][ T9588] blk-mq: reduced tag depth (128 -> 64) executing program [ 579.437925][ T9588] nbd1064: detected capacity change from 0 to 127 [ 579.446054][ T52] block nbd1064: Receive control failed (result -32) [ 579.446060][ T6279] block nbd1064: Receive control failed (result -32) [ 579.471017][ T9590] FAULT_INJECTION: forcing a failure. [ 579.471017][ T9590] name failslab, interval 1, probability 0, space 0, times 0 [ 579.484377][ T9590] CPU: 0 UID: 0 PID: 9590 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 579.484402][ T9590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 579.484414][ T9590] Call Trace: [ 579.484422][ T9590] [ 579.484430][ T9590] dump_stack_lvl+0x189/0x250 [ 579.484452][ T9590] ? __pfx____ratelimit+0x10/0x10 [ 579.484474][ T9590] ? __pfx_dump_stack_lvl+0x10/0x10 [ 579.484491][ T9590] ? __pfx__printk+0x10/0x10 [ 579.484519][ T9590] ? __pfx___might_resched+0x10/0x10 [ 579.484543][ T9590] ? fs_reclaim_acquire+0x7d/0x100 [ 579.484561][ T9590] should_fail_ex+0x414/0x560 [ 579.484577][ T9590] should_failslab+0xa8/0x100 [ 579.484594][ T9590] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 579.484609][ T9590] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 579.484624][ T9590] ? __init_waitqueue_head+0xa9/0x150 [ 579.484637][ T9590] sbitmap_queue_init_node+0x1dc/0x4d0 [ 579.484653][ T9590] blk_mq_init_tags+0x1b9/0x2f0 [ 579.484670][ T9590] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 579.484680][ T9590] ? blk_mq_map_queues+0x3ff/0x4a0 [ 579.484689][ T9590] ? kfree+0x19a/0x6d0 [ 579.484704][ T9590] ? blk_mq_map_queues+0x3ff/0x4a0 [ 579.484716][ T9590] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 579.484735][ T9590] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 579.484754][ T9590] nbd_dev_add+0x2d7/0xae0 [ 579.484770][ T9590] ? __pfx_nbd_dev_add+0x10/0x10 [ 579.484798][ T9590] nbd_genl_connect+0x919/0x18f0 [ 579.484814][ T9590] ? __pfx_nbd_genl_connect+0x10/0x10 [ 579.484828][ T9590] ? rcu_is_watching+0x15/0xb0 [ 579.484845][ T9590] ? __nla_parse+0x40/0x60 [ 579.484861][ T9590] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 579.484886][ T9590] genl_family_rcv_msg_doit+0x215/0x300 [ 579.484905][ T9590] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 579.484928][ T9590] ? stack_trace_save+0x9c/0xe0 [ 579.484941][ T9590] genl_rcv_msg+0x60e/0x790 [ 579.484960][ T9590] ? __pfx_genl_rcv_msg+0x10/0x10 [ 579.484974][ T9590] ? __pfx_nbd_genl_connect+0x10/0x10 [ 579.484992][ T9590] netlink_rcv_skb+0x208/0x470 [ 579.485003][ T9590] ? __lock_acquire+0xab9/0xd20 [ 579.485022][ T9590] ? __pfx_genl_rcv_msg+0x10/0x10 [ 579.485038][ T9590] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 579.485060][ T9590] ? down_read+0x1ad/0x2e0 [ 579.485077][ T9590] genl_rcv+0x28/0x40 [ 579.485090][ T9590] netlink_unicast+0x82f/0x9e0 [ 579.485120][ T9590] ? __pfx_netlink_unicast+0x10/0x10 [ 579.485132][ T9590] ? netlink_sendmsg+0x642/0xb30 [ 579.485144][ T9590] ? skb_put+0x11b/0x210 [ 579.485159][ T9590] netlink_sendmsg+0x805/0xb30 [ 579.485176][ T9590] ? __pfx_netlink_sendmsg+0x10/0x10 [ 579.485191][ T9590] ? aa_sock_msg_perm+0xf1/0x1d0 [ 579.485203][ T9590] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 579.485218][ T9590] ? __pfx_netlink_sendmsg+0x10/0x10 [ 579.485231][ T9590] __sock_sendmsg+0x21c/0x270 [ 579.485244][ T9590] ____sys_sendmsg+0x505/0x830 [ 579.485261][ T9590] ? __pfx_____sys_sendmsg+0x10/0x10 [ 579.485280][ T9590] ? import_iovec+0x74/0xa0 [ 579.485292][ T9590] ___sys_sendmsg+0x21f/0x2a0 [ 579.485307][ T9590] ? __pfx____sys_sendmsg+0x10/0x10 [ 579.485325][ T9590] ? rcu_read_lock_any_held+0xb3/0x120 [ 579.485347][ T9590] ? sb_end_write+0xe9/0x1c0 [ 579.485366][ T9590] ? __pfx_vfs_write+0x10/0x10 [ 579.485387][ T9590] __x64_sys_sendmsg+0x19b/0x260 [ 579.485402][ T9590] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 579.485421][ T9590] ? __pfx_ksys_write+0x10/0x10 [ 579.485433][ T9590] ? do_syscall_64+0xbe/0xfa0 [ 579.485448][ T9590] do_syscall_64+0xfa/0xfa0 [ 579.485461][ T9590] ? lockdep_hardirqs_on+0x9c/0x150 [ 579.485474][ T9590] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 579.485484][ T9590] ? clear_bhb_loop+0x60/0xb0 [ 579.485496][ T9590] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 579.485507][ T9590] RIP: 0033:0x7f497562bba9 [ 579.485518][ T9590] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 579.485527][ T9590] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 579.485539][ T9590] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 579.485547][ T9590] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 579.485555][ T9590] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 579.485562][ T9590] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 579.485569][ T9590] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 579.485586][ T9590] [ 579.485737][ T9590] blk-mq: reduced tag depth (128 -> 64) executing program [ 580.207899][ T9590] nbd1065: detected capacity change from 0 to 127 [ 580.216286][ T6279] block nbd1065: Receive control failed (result -32) [ 580.217338][ T52] block nbd1065: Receive control failed (result -32) [ 580.236957][ T9592] blk-mq: reduced tag depth (128 -> 64) executing program [ 580.497896][ T9592] nbd1066: detected capacity change from 0 to 127 [ 580.506014][ T6279] block nbd1066: Receive control failed (result -32) [ 580.506014][ T52] block nbd1066: Receive control failed (result -32) [ 580.529875][ T9594] FAULT_INJECTION: forcing a failure. [ 580.529875][ T9594] name failslab, interval 1, probability 0, space 0, times 0 [ 580.543227][ T9594] CPU: 1 UID: 0 PID: 9594 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 580.543253][ T9594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 580.543263][ T9594] Call Trace: [ 580.543272][ T9594] [ 580.543280][ T9594] dump_stack_lvl+0x189/0x250 [ 580.543303][ T9594] ? __pfx____ratelimit+0x10/0x10 [ 580.543325][ T9594] ? __pfx_dump_stack_lvl+0x10/0x10 [ 580.543342][ T9594] ? __pfx__printk+0x10/0x10 [ 580.543369][ T9594] ? __pfx___might_resched+0x10/0x10 [ 580.543388][ T9594] ? fs_reclaim_acquire+0x7d/0x100 [ 580.543408][ T9594] should_fail_ex+0x414/0x560 [ 580.543424][ T9594] should_failslab+0xa8/0x100 [ 580.543441][ T9594] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 580.543457][ T9594] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 580.543471][ T9594] ? __init_waitqueue_head+0xa9/0x150 [ 580.543484][ T9594] sbitmap_queue_init_node+0x1dc/0x4d0 [ 580.543500][ T9594] blk_mq_init_tags+0x1b9/0x2f0 [ 580.543517][ T9594] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 580.543528][ T9594] ? blk_mq_map_queues+0x3ff/0x4a0 [ 580.543537][ T9594] ? kfree+0x19a/0x6d0 [ 580.543552][ T9594] ? blk_mq_map_queues+0x3ff/0x4a0 [ 580.543564][ T9594] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 580.543583][ T9594] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 580.543602][ T9594] nbd_dev_add+0x2d7/0xae0 [ 580.543616][ T9594] ? __pfx_nbd_dev_add+0x10/0x10 [ 580.543648][ T9594] nbd_genl_connect+0x919/0x18f0 [ 580.543670][ T9594] ? __pfx_nbd_genl_connect+0x10/0x10 [ 580.543684][ T9594] ? rcu_is_watching+0x15/0xb0 [ 580.543700][ T9594] ? __nla_parse+0x40/0x60 [ 580.543716][ T9594] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 580.543737][ T9594] genl_family_rcv_msg_doit+0x215/0x300 [ 580.543761][ T9594] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 580.543785][ T9594] ? stack_trace_save+0x9c/0xe0 [ 580.543798][ T9594] genl_rcv_msg+0x60e/0x790 [ 580.543817][ T9594] ? __pfx_genl_rcv_msg+0x10/0x10 [ 580.543831][ T9594] ? __pfx_nbd_genl_connect+0x10/0x10 [ 580.543849][ T9594] netlink_rcv_skb+0x208/0x470 [ 580.543861][ T9594] ? __lock_acquire+0xab9/0xd20 [ 580.543874][ T9594] ? __pfx_genl_rcv_msg+0x10/0x10 [ 580.543889][ T9594] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 580.543911][ T9594] ? down_read+0x1ad/0x2e0 [ 580.543929][ T9594] genl_rcv+0x28/0x40 [ 580.543942][ T9594] netlink_unicast+0x82f/0x9e0 [ 580.543958][ T9594] ? __pfx_netlink_unicast+0x10/0x10 [ 580.543970][ T9594] ? netlink_sendmsg+0x642/0xb30 [ 580.543981][ T9594] ? skb_put+0x11b/0x210 [ 580.543997][ T9594] netlink_sendmsg+0x805/0xb30 [ 580.544014][ T9594] ? __pfx_netlink_sendmsg+0x10/0x10 [ 580.544029][ T9594] ? aa_sock_msg_perm+0xf1/0x1d0 [ 580.544041][ T9594] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 580.544056][ T9594] ? __pfx_netlink_sendmsg+0x10/0x10 [ 580.544070][ T9594] __sock_sendmsg+0x21c/0x270 [ 580.544082][ T9594] ____sys_sendmsg+0x505/0x830 [ 580.544100][ T9594] ? __pfx_____sys_sendmsg+0x10/0x10 [ 580.544119][ T9594] ? import_iovec+0x74/0xa0 [ 580.544131][ T9594] ___sys_sendmsg+0x21f/0x2a0 [ 580.544146][ T9594] ? __pfx____sys_sendmsg+0x10/0x10 [ 580.544163][ T9594] ? rcu_read_lock_any_held+0xb3/0x120 [ 580.544186][ T9594] ? sb_end_write+0xe9/0x1c0 [ 580.544205][ T9594] ? __pfx_vfs_write+0x10/0x10 [ 580.544227][ T9594] __x64_sys_sendmsg+0x19b/0x260 [ 580.544242][ T9594] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 580.544263][ T9594] ? __pfx_ksys_write+0x10/0x10 [ 580.544276][ T9594] ? do_syscall_64+0xbe/0xfa0 [ 580.544291][ T9594] do_syscall_64+0xfa/0xfa0 [ 580.544304][ T9594] ? lockdep_hardirqs_on+0x9c/0x150 [ 580.544317][ T9594] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 580.544327][ T9594] ? clear_bhb_loop+0x60/0xb0 [ 580.544339][ T9594] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 580.544348][ T9594] RIP: 0033:0x7f497562bba9 [ 580.544359][ T9594] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 580.544367][ T9594] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 580.544380][ T9594] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 580.544388][ T9594] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 580.544395][ T9594] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 580.544402][ T9594] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 580.544409][ T9594] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 580.544426][ T9594] [ 580.544571][ T9594] blk-mq: reduced tag depth (128 -> 64) executing program [ 581.257914][ T9594] nbd1067: detected capacity change from 0 to 127 [ 581.265997][ T52] block nbd1067: Receive control failed (result -32) [ 581.267085][ T6279] block nbd1067: Receive control failed (result -32) [ 581.286739][ T9596] blk-mq: reduced tag depth (128 -> 64) executing program [ 581.567895][ T9596] nbd1068: detected capacity change from 0 to 127 [ 581.575976][ T6279] block nbd1068: Receive control failed (result -32) [ 581.575976][ T52] block nbd1068: Receive control failed (result -32) [ 581.602073][ T9598] blk-mq: reduced tag depth (128 -> 64) executing program [ 581.847897][ T9598] nbd1069: detected capacity change from 0 to 127 [ 581.856090][ T6279] block nbd1069: Receive control failed (result -32) [ 581.857143][ T52] block nbd1069: Receive control failed (result -32) [ 581.887790][ T9600] blk-mq: reduced tag depth (128 -> 64) executing program [ 582.188012][ T9600] nbd1070: detected capacity change from 0 to 127 [ 582.196647][ T6279] block nbd1070: Receive control failed (result -32) [ 582.197226][ T52] block nbd1070: Receive control failed (result -32) executing program [ 582.467904][ T9602] nbd1071: detected capacity change from 0 to 127 [ 582.476047][ T52] block nbd1071: Receive control failed (result -32) [ 582.477121][ T6279] block nbd1071: Receive control failed (result -32) [ 582.496498][ T9604] blk-mq: reduced tag depth (128 -> 64) executing program [ 582.768074][ T9604] nbd1072: detected capacity change from 0 to 127 [ 582.776174][ T6279] block nbd1072: Receive control failed (result -32) [ 582.776183][ T52] block nbd1072: Receive control failed (result -32) [ 582.800011][ T9606] blk-mq: reduced tag depth (128 -> 64) executing program [ 583.077895][ T9606] nbd1073: detected capacity change from 0 to 127 [ 583.086053][ T6279] block nbd1073: Receive control failed (result -32) [ 583.086053][ T52] block nbd1073: Receive control failed (result -32) executing program [ 583.347965][ T9608] nbd1074: detected capacity change from 0 to 127 [ 583.356145][ T52] block nbd1074: Receive control failed (result -32) [ 583.356145][ T6279] block nbd1074: Receive control failed (result -32) [ 583.375545][ T9610] blk-mq: reduced tag depth (128 -> 64) executing program [ 583.617935][ T9610] nbd1075: detected capacity change from 0 to 127 [ 583.626077][ T52] block nbd1075: Receive control failed (result -32) [ 583.627627][ T6279] block nbd1075: Receive control failed (result -32) [ 583.647527][ T9612] blk-mq: reduced tag depth (128 -> 64) executing program [ 583.907924][ T9612] nbd1076: detected capacity change from 0 to 127 [ 583.916123][ T52] block nbd1076: Receive control failed (result -32) [ 583.917232][ T6279] block nbd1076: Receive control failed (result -32) executing program [ 584.187928][ T9614] nbd1077: detected capacity change from 0 to 127 [ 584.196065][ T52] block nbd1077: Receive control failed (result -32) [ 584.196065][ T6279] block nbd1077: Receive control failed (result -32) [ 584.219788][ T9616] FAULT_INJECTION: forcing a failure. [ 584.219788][ T9616] name failslab, interval 1, probability 0, space 0, times 0 [ 584.233249][ T9616] CPU: 0 UID: 0 PID: 9616 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 584.233275][ T9616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 584.233285][ T9616] Call Trace: [ 584.233293][ T9616] [ 584.233301][ T9616] dump_stack_lvl+0x189/0x250 [ 584.233325][ T9616] ? __pfx____ratelimit+0x10/0x10 [ 584.233347][ T9616] ? __pfx_dump_stack_lvl+0x10/0x10 [ 584.233365][ T9616] ? __pfx__printk+0x10/0x10 [ 584.233391][ T9616] ? __pfx___might_resched+0x10/0x10 [ 584.233410][ T9616] ? fs_reclaim_acquire+0x7d/0x100 [ 584.233429][ T9616] should_fail_ex+0x414/0x560 [ 584.233444][ T9616] should_failslab+0xa8/0x100 [ 584.233462][ T9616] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 584.233477][ T9616] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 584.233491][ T9616] ? __init_waitqueue_head+0xa9/0x150 [ 584.233505][ T9616] sbitmap_queue_init_node+0x1dc/0x4d0 [ 584.233527][ T9616] blk_mq_init_tags+0x1b9/0x2f0 [ 584.233545][ T9616] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 584.233555][ T9616] ? blk_mq_map_queues+0x3ff/0x4a0 [ 584.233565][ T9616] ? kfree+0x19a/0x6d0 [ 584.233580][ T9616] ? blk_mq_map_queues+0x3ff/0x4a0 [ 584.233592][ T9616] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 584.233611][ T9616] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 584.233631][ T9616] nbd_dev_add+0x2d7/0xae0 [ 584.233652][ T9616] ? __pfx_nbd_dev_add+0x10/0x10 [ 584.233679][ T9616] nbd_genl_connect+0x919/0x18f0 [ 584.233695][ T9616] ? __pfx_nbd_genl_connect+0x10/0x10 [ 584.233709][ T9616] ? rcu_is_watching+0x15/0xb0 [ 584.233725][ T9616] ? __nla_parse+0x40/0x60 [ 584.233740][ T9616] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 584.233761][ T9616] genl_family_rcv_msg_doit+0x215/0x300 [ 584.233780][ T9616] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 584.233803][ T9616] ? stack_trace_save+0x9c/0xe0 [ 584.233816][ T9616] genl_rcv_msg+0x60e/0x790 [ 584.233834][ T9616] ? __pfx_genl_rcv_msg+0x10/0x10 [ 584.233849][ T9616] ? __pfx_nbd_genl_connect+0x10/0x10 [ 584.233867][ T9616] netlink_rcv_skb+0x208/0x470 [ 584.233878][ T9616] ? __lock_acquire+0xab9/0xd20 [ 584.233891][ T9616] ? __pfx_genl_rcv_msg+0x10/0x10 [ 584.233907][ T9616] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 584.233929][ T9616] ? down_read+0x1ad/0x2e0 [ 584.233947][ T9616] genl_rcv+0x28/0x40 [ 584.233961][ T9616] netlink_unicast+0x82f/0x9e0 [ 584.233976][ T9616] ? __pfx_netlink_unicast+0x10/0x10 [ 584.233988][ T9616] ? netlink_sendmsg+0x642/0xb30 [ 584.233999][ T9616] ? skb_put+0x11b/0x210 [ 584.234015][ T9616] netlink_sendmsg+0x805/0xb30 [ 584.234032][ T9616] ? __pfx_netlink_sendmsg+0x10/0x10 [ 584.234047][ T9616] ? aa_sock_msg_perm+0xf1/0x1d0 [ 584.234059][ T9616] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 584.234074][ T9616] ? __pfx_netlink_sendmsg+0x10/0x10 [ 584.234088][ T9616] __sock_sendmsg+0x21c/0x270 [ 584.234101][ T9616] ____sys_sendmsg+0x505/0x830 [ 584.234118][ T9616] ? __pfx_____sys_sendmsg+0x10/0x10 [ 584.234137][ T9616] ? import_iovec+0x74/0xa0 [ 584.234161][ T9616] ___sys_sendmsg+0x21f/0x2a0 [ 584.234177][ T9616] ? __pfx____sys_sendmsg+0x10/0x10 [ 584.234194][ T9616] ? rcu_read_lock_any_held+0xb3/0x120 [ 584.234216][ T9616] ? sb_end_write+0xe9/0x1c0 [ 584.234236][ T9616] ? __pfx_vfs_write+0x10/0x10 [ 584.234257][ T9616] __x64_sys_sendmsg+0x19b/0x260 [ 584.234273][ T9616] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 584.234292][ T9616] ? __pfx_ksys_write+0x10/0x10 [ 584.234303][ T9616] ? do_syscall_64+0xbe/0xfa0 [ 584.234318][ T9616] do_syscall_64+0xfa/0xfa0 [ 584.234331][ T9616] ? lockdep_hardirqs_on+0x9c/0x150 [ 584.234344][ T9616] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 584.234354][ T9616] ? clear_bhb_loop+0x60/0xb0 [ 584.234366][ T9616] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 584.234376][ T9616] RIP: 0033:0x7f497562bba9 [ 584.234387][ T9616] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 584.234396][ T9616] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 584.234409][ T9616] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 584.234417][ T9616] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 584.234424][ T9616] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 584.234431][ T9616] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 584.234439][ T9616] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 584.234456][ T9616] [ 584.234611][ T9616] blk-mq: reduced tag depth (128 -> 64) executing program [ 584.927890][ T9616] nbd1078: detected capacity change from 0 to 127 [ 584.936163][ T6279] block nbd1078: Receive control failed (result -32) [ 584.937269][ T52] block nbd1078: Receive control failed (result -32) executing program [ 585.247896][ T9618] nbd1079: detected capacity change from 0 to 127 [ 585.256347][ T6279] block nbd1079: Receive control failed (result -32) [ 585.256347][ T52] block nbd1079: Receive control failed (result -32) [ 585.282000][ T9620] blk-mq: reduced tag depth (128 -> 64) executing program [ 585.567950][ T9620] nbd1080: detected capacity change from 0 to 127 [ 585.576644][ T52] block nbd1080: Receive control failed (result -32) [ 585.576649][ T6279] block nbd1080: Receive control failed (result -32) [ 585.596212][ T9622] blk-mq: reduced tag depth (128 -> 64) executing program [ 585.887904][ T9622] nbd1081: detected capacity change from 0 to 127 [ 585.896034][ T6279] block nbd1081: Receive control failed (result -32) [ 585.897125][ T52] block nbd1081: Receive control failed (result -32) [ 585.916582][ T9624] blk-mq: reduced tag depth (128 -> 64) executing program [ 586.187997][ T9624] nbd1082: detected capacity change from 0 to 127 [ 586.196193][ T6279] block nbd1082: Receive control failed (result -32) [ 586.196680][ T52] block nbd1082: Receive control failed (result -32) [ 586.222314][ T9626] FAULT_INJECTION: forcing a failure. [ 586.222314][ T9626] name failslab, interval 1, probability 0, space 0, times 0 [ 586.235136][ T9626] CPU: 1 UID: 0 PID: 9626 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 586.235154][ T9626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 586.235160][ T9626] Call Trace: [ 586.235168][ T9626] [ 586.235174][ T9626] dump_stack_lvl+0x189/0x250 [ 586.235190][ T9626] ? __pfx____ratelimit+0x10/0x10 [ 586.235204][ T9626] ? __pfx_dump_stack_lvl+0x10/0x10 [ 586.235214][ T9626] ? __pfx__printk+0x10/0x10 [ 586.235233][ T9626] ? __pfx___might_resched+0x10/0x10 [ 586.235247][ T9626] ? fs_reclaim_acquire+0x7d/0x100 [ 586.235264][ T9626] should_fail_ex+0x414/0x560 [ 586.235279][ T9626] should_failslab+0xa8/0x100 [ 586.235297][ T9626] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 586.235313][ T9626] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 586.235328][ T9626] ? __init_waitqueue_head+0xa9/0x150 [ 586.235342][ T9626] sbitmap_queue_init_node+0x1dc/0x4d0 [ 586.235358][ T9626] blk_mq_init_tags+0x1b9/0x2f0 [ 586.235376][ T9626] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 586.235386][ T9626] ? blk_mq_map_queues+0x3ff/0x4a0 [ 586.235396][ T9626] ? kfree+0x19a/0x6d0 [ 586.235411][ T9626] ? blk_mq_map_queues+0x3ff/0x4a0 [ 586.235423][ T9626] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 586.235442][ T9626] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 586.235461][ T9626] nbd_dev_add+0x2d7/0xae0 [ 586.235477][ T9626] ? __pfx_nbd_dev_add+0x10/0x10 [ 586.235504][ T9626] nbd_genl_connect+0x919/0x18f0 [ 586.235519][ T9626] ? __pfx_nbd_genl_connect+0x10/0x10 [ 586.235533][ T9626] ? rcu_is_watching+0x15/0xb0 [ 586.235550][ T9626] ? __nla_parse+0x40/0x60 [ 586.235566][ T9626] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 586.235586][ T9626] genl_family_rcv_msg_doit+0x215/0x300 [ 586.235606][ T9626] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 586.235629][ T9626] ? stack_trace_save+0x9c/0xe0 [ 586.235642][ T9626] genl_rcv_msg+0x60e/0x790 [ 586.235660][ T9626] ? __pfx_genl_rcv_msg+0x10/0x10 [ 586.235675][ T9626] ? __pfx_nbd_genl_connect+0x10/0x10 [ 586.235693][ T9626] netlink_rcv_skb+0x208/0x470 [ 586.235704][ T9626] ? __lock_acquire+0xab9/0xd20 [ 586.235717][ T9626] ? __pfx_genl_rcv_msg+0x10/0x10 [ 586.235733][ T9626] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 586.235755][ T9626] ? down_read+0x1ad/0x2e0 [ 586.235772][ T9626] genl_rcv+0x28/0x40 [ 586.235786][ T9626] netlink_unicast+0x82f/0x9e0 [ 586.235802][ T9626] ? __pfx_netlink_unicast+0x10/0x10 [ 586.235814][ T9626] ? netlink_sendmsg+0x642/0xb30 [ 586.235825][ T9626] ? skb_put+0x11b/0x210 [ 586.235840][ T9626] netlink_sendmsg+0x805/0xb30 [ 586.235858][ T9626] ? __pfx_netlink_sendmsg+0x10/0x10 [ 586.235873][ T9626] ? aa_sock_msg_perm+0xf1/0x1d0 [ 586.235885][ T9626] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 586.235901][ T9626] ? __pfx_netlink_sendmsg+0x10/0x10 [ 586.235914][ T9626] __sock_sendmsg+0x21c/0x270 [ 586.235927][ T9626] ____sys_sendmsg+0x505/0x830 [ 586.235950][ T9626] ? __pfx_____sys_sendmsg+0x10/0x10 [ 586.235969][ T9626] ? import_iovec+0x74/0xa0 [ 586.235981][ T9626] ___sys_sendmsg+0x21f/0x2a0 [ 586.235997][ T9626] ? __pfx____sys_sendmsg+0x10/0x10 [ 586.236014][ T9626] ? rcu_read_lock_any_held+0xb3/0x120 [ 586.236036][ T9626] ? sb_end_write+0xe9/0x1c0 [ 586.236056][ T9626] ? __pfx_vfs_write+0x10/0x10 [ 586.236077][ T9626] __x64_sys_sendmsg+0x19b/0x260 [ 586.236092][ T9626] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 586.236112][ T9626] ? __pfx_ksys_write+0x10/0x10 [ 586.236123][ T9626] ? do_syscall_64+0xbe/0xfa0 [ 586.236139][ T9626] do_syscall_64+0xfa/0xfa0 [ 586.236151][ T9626] ? lockdep_hardirqs_on+0x9c/0x150 [ 586.236164][ T9626] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 586.236175][ T9626] ? clear_bhb_loop+0x60/0xb0 [ 586.236187][ T9626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 586.236197][ T9626] RIP: 0033:0x7f497562bba9 [ 586.236208][ T9626] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 586.236217][ T9626] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 586.236230][ T9626] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 586.236238][ T9626] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 586.236245][ T9626] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 586.236252][ T9626] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 586.236259][ T9626] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 586.236276][ T9626] [ 586.236434][ T9626] blk-mq: reduced tag depth (128 -> 64) executing program [ 587.007907][ T9626] nbd1083: detected capacity change from 0 to 127 [ 587.016140][ T52] block nbd1083: Receive control failed (result -32) [ 587.017246][ T6279] block nbd1083: Receive control failed (result -32) [ 587.035862][ T9628] blk-mq: reduced tag depth (128 -> 64) executing program [ 587.298452][ T9628] nbd1084: detected capacity change from 0 to 127 [ 587.306772][ T6279] block nbd1084: Receive control failed (result -32) [ 587.308009][ T52] block nbd1084: Receive control failed (result -32) executing program [ 587.617940][ T9630] nbd1085: detected capacity change from 0 to 127 [ 587.626833][ T6279] block nbd1085: Receive control failed (result -32) [ 587.628010][ T52] block nbd1085: Receive control failed (result -32) [ 587.648376][ T9632] blk-mq: reduced tag depth (128 -> 64) executing program [ 587.887943][ T9632] nbd1086: detected capacity change from 0 to 127 [ 587.896733][ T6279] block nbd1086: Receive control failed (result -32) [ 587.897910][ T52] block nbd1086: Receive control failed (result -32) executing program [ 588.148011][ T9634] nbd1087: detected capacity change from 0 to 127 [ 588.156311][ T6279] block nbd1087: Receive control failed (result -32) [ 588.157418][ T52] block nbd1087: Receive control failed (result -32) executing program [ 588.447946][ T9636] nbd1088: detected capacity change from 0 to 127 [ 588.456587][ T6279] block nbd1088: Receive control failed (result -32) [ 588.456587][ T52] block nbd1088: Receive control failed (result -32) [ 588.480927][ T9638] blk-mq: reduced tag depth (128 -> 64) executing program [ 588.767923][ T9638] nbd1089: detected capacity change from 0 to 127 [ 588.776995][ T6279] block nbd1089: Receive control failed (result -32) [ 588.777007][ T52] block nbd1089: Receive control failed (result -32) executing program [ 589.077898][ T9640] nbd1090: detected capacity change from 0 to 127 [ 589.086169][ T52] block nbd1090: Receive control failed (result -32) [ 589.087296][ T6279] block nbd1090: Receive control failed (result -32) [ 589.107144][ T9642] blk-mq: reduced tag depth (128 -> 64) executing program [ 589.397954][ T9642] nbd1091: detected capacity change from 0 to 127 [ 589.406245][ T52] block nbd1091: Receive control failed (result -32) [ 589.406244][ T6279] block nbd1091: Receive control failed (result -32) [ 589.431459][ T9644] FAULT_INJECTION: forcing a failure. [ 589.431459][ T9644] name failslab, interval 1, probability 0, space 0, times 0 [ 589.444284][ T9644] CPU: 1 UID: 0 PID: 9644 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 589.444312][ T9644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 589.444325][ T9644] Call Trace: [ 589.444333][ T9644] [ 589.444342][ T9644] dump_stack_lvl+0x189/0x250 [ 589.444368][ T9644] ? __pfx____ratelimit+0x10/0x10 [ 589.444393][ T9644] ? __pfx_dump_stack_lvl+0x10/0x10 [ 589.444414][ T9644] ? __pfx__printk+0x10/0x10 [ 589.444450][ T9644] ? __pfx___might_resched+0x10/0x10 [ 589.444474][ T9644] ? fs_reclaim_acquire+0x7d/0x100 [ 589.444500][ T9644] should_fail_ex+0x414/0x560 [ 589.444516][ T9644] should_failslab+0xa8/0x100 [ 589.444533][ T9644] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 589.444548][ T9644] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 589.444563][ T9644] ? __init_waitqueue_head+0xa9/0x150 [ 589.444576][ T9644] sbitmap_queue_init_node+0x1dc/0x4d0 [ 589.444592][ T9644] blk_mq_init_tags+0x1b9/0x2f0 [ 589.444610][ T9644] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 589.444620][ T9644] ? blk_mq_map_queues+0x3ff/0x4a0 [ 589.444630][ T9644] ? kfree+0x19a/0x6d0 [ 589.444645][ T9644] ? blk_mq_map_queues+0x3ff/0x4a0 [ 589.444657][ T9644] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 589.444676][ T9644] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 589.444695][ T9644] nbd_dev_add+0x2d7/0xae0 [ 589.444710][ T9644] ? __pfx_nbd_dev_add+0x10/0x10 [ 589.444737][ T9644] nbd_genl_connect+0x919/0x18f0 [ 589.444753][ T9644] ? __pfx_nbd_genl_connect+0x10/0x10 [ 589.444767][ T9644] ? rcu_is_watching+0x15/0xb0 [ 589.444783][ T9644] ? __nla_parse+0x40/0x60 [ 589.444799][ T9644] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 589.444820][ T9644] genl_family_rcv_msg_doit+0x215/0x300 [ 589.444839][ T9644] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 589.444863][ T9644] ? stack_trace_save+0x9c/0xe0 [ 589.444876][ T9644] genl_rcv_msg+0x60e/0x790 [ 589.444895][ T9644] ? __pfx_genl_rcv_msg+0x10/0x10 [ 589.444910][ T9644] ? __pfx_nbd_genl_connect+0x10/0x10 [ 589.444928][ T9644] netlink_rcv_skb+0x208/0x470 [ 589.444939][ T9644] ? __lock_acquire+0xab9/0xd20 [ 589.444952][ T9644] ? __pfx_genl_rcv_msg+0x10/0x10 [ 589.444975][ T9644] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 589.444997][ T9644] ? down_read+0x1ad/0x2e0 [ 589.445015][ T9644] genl_rcv+0x28/0x40 [ 589.445029][ T9644] netlink_unicast+0x82f/0x9e0 [ 589.445046][ T9644] ? __pfx_netlink_unicast+0x10/0x10 [ 589.445058][ T9644] ? netlink_sendmsg+0x642/0xb30 [ 589.445070][ T9644] ? skb_put+0x11b/0x210 [ 589.445086][ T9644] netlink_sendmsg+0x805/0xb30 [ 589.445103][ T9644] ? __pfx_netlink_sendmsg+0x10/0x10 [ 589.445118][ T9644] ? aa_sock_msg_perm+0xf1/0x1d0 [ 589.445130][ T9644] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 589.445145][ T9644] ? __pfx_netlink_sendmsg+0x10/0x10 [ 589.445158][ T9644] __sock_sendmsg+0x21c/0x270 [ 589.445171][ T9644] ____sys_sendmsg+0x505/0x830 [ 589.445188][ T9644] ? __pfx_____sys_sendmsg+0x10/0x10 [ 589.445208][ T9644] ? import_iovec+0x74/0xa0 [ 589.445219][ T9644] ___sys_sendmsg+0x21f/0x2a0 [ 589.445235][ T9644] ? __pfx____sys_sendmsg+0x10/0x10 [ 589.445252][ T9644] ? rcu_read_lock_any_held+0xb3/0x120 [ 589.445275][ T9644] ? sb_end_write+0xe9/0x1c0 [ 589.445294][ T9644] ? __pfx_vfs_write+0x10/0x10 [ 589.445315][ T9644] __x64_sys_sendmsg+0x19b/0x260 [ 589.445331][ T9644] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 589.445350][ T9644] ? __pfx_ksys_write+0x10/0x10 [ 589.445361][ T9644] ? do_syscall_64+0xbe/0xfa0 [ 589.445377][ T9644] do_syscall_64+0xfa/0xfa0 [ 589.445390][ T9644] ? lockdep_hardirqs_on+0x9c/0x150 [ 589.445403][ T9644] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 589.445413][ T9644] ? clear_bhb_loop+0x60/0xb0 [ 589.445425][ T9644] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 589.445435][ T9644] RIP: 0033:0x7f497562bba9 [ 589.445446][ T9644] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 589.445455][ T9644] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 589.445467][ T9644] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 589.445475][ T9644] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 589.445483][ T9644] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 589.445490][ T9644] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 589.445497][ T9644] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 589.445514][ T9644] [ 589.445654][ T9644] blk-mq: reduced tag depth (128 -> 64) executing program [ 590.167866][ T9644] nbd1092: detected capacity change from 0 to 127 [ 590.176432][ T52] block nbd1092: Receive control failed (result -32) [ 590.176440][ T6279] block nbd1092: Receive control failed (result -32) [ 590.195668][ T9646] FAULT_INJECTION: forcing a failure. [ 590.195668][ T9646] name failslab, interval 1, probability 0, space 0, times 0 [ 590.208425][ T9646] CPU: 0 UID: 0 PID: 9646 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 590.208449][ T9646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 590.208458][ T9646] Call Trace: [ 590.208466][ T9646] [ 590.208474][ T9646] dump_stack_lvl+0x189/0x250 [ 590.208495][ T9646] ? __pfx____ratelimit+0x10/0x10 [ 590.208516][ T9646] ? __pfx_dump_stack_lvl+0x10/0x10 [ 590.208542][ T9646] ? __pfx__printk+0x10/0x10 [ 590.208569][ T9646] ? __pfx___might_resched+0x10/0x10 [ 590.208586][ T9646] ? fs_reclaim_acquire+0x7d/0x100 [ 590.208612][ T9646] should_fail_ex+0x414/0x560 [ 590.208637][ T9646] should_failslab+0xa8/0x100 [ 590.208663][ T9646] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 590.208686][ T9646] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 590.208708][ T9646] ? __init_waitqueue_head+0xa9/0x150 [ 590.208729][ T9646] sbitmap_queue_init_node+0x1dc/0x4d0 [ 590.208756][ T9646] blk_mq_init_tags+0x1b9/0x2f0 [ 590.208782][ T9646] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 590.208800][ T9646] ? blk_mq_map_queues+0x3ff/0x4a0 [ 590.208817][ T9646] ? kfree+0x19a/0x6d0 [ 590.208843][ T9646] ? blk_mq_map_queues+0x3ff/0x4a0 [ 590.208866][ T9646] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 590.208899][ T9646] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 590.208932][ T9646] nbd_dev_add+0x2d7/0xae0 [ 590.208956][ T9646] ? __pfx_nbd_dev_add+0x10/0x10 [ 590.209006][ T9646] nbd_genl_connect+0x919/0x18f0 [ 590.209035][ T9646] ? __pfx_nbd_genl_connect+0x10/0x10 [ 590.209059][ T9646] ? rcu_is_watching+0x15/0xb0 [ 590.209085][ T9646] ? __nla_parse+0x40/0x60 [ 590.209109][ T9646] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 590.209142][ T9646] genl_family_rcv_msg_doit+0x215/0x300 [ 590.209173][ T9646] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 590.209210][ T9646] ? stack_trace_save+0x9c/0xe0 [ 590.209234][ T9646] genl_rcv_msg+0x60e/0x790 [ 590.209264][ T9646] ? __pfx_genl_rcv_msg+0x10/0x10 [ 590.209286][ T9646] ? __pfx_nbd_genl_connect+0x10/0x10 [ 590.209318][ T9646] netlink_rcv_skb+0x208/0x470 [ 590.209337][ T9646] ? __lock_acquire+0xab9/0xd20 [ 590.209358][ T9646] ? __pfx_genl_rcv_msg+0x10/0x10 [ 590.209382][ T9646] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 590.209421][ T9646] ? down_read+0x1ad/0x2e0 [ 590.209448][ T9646] genl_rcv+0x28/0x40 [ 590.209469][ T9646] netlink_unicast+0x82f/0x9e0 [ 590.209504][ T9646] ? __pfx_netlink_unicast+0x10/0x10 [ 590.209526][ T9646] ? netlink_sendmsg+0x642/0xb30 [ 590.209551][ T9646] ? skb_put+0x11b/0x210 [ 590.209576][ T9646] netlink_sendmsg+0x805/0xb30 [ 590.209606][ T9646] ? __pfx_netlink_sendmsg+0x10/0x10 [ 590.209631][ T9646] ? aa_sock_msg_perm+0xf1/0x1d0 [ 590.209650][ T9646] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 590.209674][ T9646] ? __pfx_netlink_sendmsg+0x10/0x10 [ 590.209695][ T9646] __sock_sendmsg+0x21c/0x270 [ 590.209717][ T9646] ____sys_sendmsg+0x505/0x830 [ 590.209745][ T9646] ? __pfx_____sys_sendmsg+0x10/0x10 [ 590.209777][ T9646] ? import_iovec+0x74/0xa0 [ 590.209797][ T9646] ___sys_sendmsg+0x21f/0x2a0 [ 590.209819][ T9646] ? __pfx____sys_sendmsg+0x10/0x10 [ 590.209847][ T9646] ? rcu_read_lock_any_held+0xb3/0x120 [ 590.209884][ T9646] ? sb_end_write+0xe9/0x1c0 [ 590.209917][ T9646] ? __pfx_vfs_write+0x10/0x10 [ 590.209949][ T9646] __x64_sys_sendmsg+0x19b/0x260 [ 590.209974][ T9646] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 590.210006][ T9646] ? __pfx_ksys_write+0x10/0x10 [ 590.210026][ T9646] ? do_syscall_64+0xbe/0xfa0 [ 590.210051][ T9646] do_syscall_64+0xfa/0xfa0 [ 590.210070][ T9646] ? lockdep_hardirqs_on+0x9c/0x150 [ 590.210091][ T9646] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 590.210108][ T9646] ? clear_bhb_loop+0x60/0xb0 [ 590.210130][ T9646] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 590.210147][ T9646] RIP: 0033:0x7f497562bba9 [ 590.210163][ T9646] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 590.210178][ T9646] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 590.210198][ T9646] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 590.210212][ T9646] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 590.210225][ T9646] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 590.210237][ T9646] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 590.210249][ T9646] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 590.210280][ T9646] [ 590.210510][ T9646] blk-mq: reduced tag depth (128 -> 64) executing program [ 590.927893][ T9646] nbd1093: detected capacity change from 0 to 127 [ 590.936547][ T52] block nbd1093: Receive control failed (result -32) [ 590.936552][ T6279] block nbd1093: Receive control failed (result -32) [ 590.956200][ T9648] FAULT_INJECTION: forcing a failure. [ 590.956200][ T9648] name failslab, interval 1, probability 0, space 0, times 0 [ 590.968963][ T9648] CPU: 1 UID: 0 PID: 9648 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 590.968979][ T9648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 590.968985][ T9648] Call Trace: [ 590.968990][ T9648] [ 590.968995][ T9648] dump_stack_lvl+0x189/0x250 [ 590.969010][ T9648] ? __pfx____ratelimit+0x10/0x10 [ 590.969025][ T9648] ? __pfx_dump_stack_lvl+0x10/0x10 [ 590.969035][ T9648] ? __pfx__printk+0x10/0x10 [ 590.969053][ T9648] ? __pfx___might_resched+0x10/0x10 [ 590.969066][ T9648] ? fs_reclaim_acquire+0x7d/0x100 [ 590.969083][ T9648] should_fail_ex+0x414/0x560 [ 590.969098][ T9648] should_failslab+0xa8/0x100 [ 590.969115][ T9648] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 590.969135][ T9648] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 590.969150][ T9648] ? __init_waitqueue_head+0xa9/0x150 [ 590.969163][ T9648] sbitmap_queue_init_node+0x1dc/0x4d0 [ 590.969179][ T9648] blk_mq_init_tags+0x1b9/0x2f0 [ 590.969196][ T9648] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 590.969206][ T9648] ? blk_mq_map_queues+0x3ff/0x4a0 [ 590.969215][ T9648] ? kfree+0x19a/0x6d0 [ 590.969231][ T9648] ? blk_mq_map_queues+0x3ff/0x4a0 [ 590.969243][ T9648] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 590.969261][ T9648] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 590.969279][ T9648] nbd_dev_add+0x2d7/0xae0 [ 590.969294][ T9648] ? __pfx_nbd_dev_add+0x10/0x10 [ 590.969322][ T9648] nbd_genl_connect+0x919/0x18f0 [ 590.969337][ T9648] ? __pfx_nbd_genl_connect+0x10/0x10 [ 590.969351][ T9648] ? rcu_is_watching+0x15/0xb0 [ 590.969367][ T9648] ? __nla_parse+0x40/0x60 [ 590.969383][ T9648] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 590.969404][ T9648] genl_family_rcv_msg_doit+0x215/0x300 [ 590.969423][ T9648] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 590.969446][ T9648] ? stack_trace_save+0x9c/0xe0 [ 590.969460][ T9648] genl_rcv_msg+0x60e/0x790 [ 590.969478][ T9648] ? __pfx_genl_rcv_msg+0x10/0x10 [ 590.969493][ T9648] ? __pfx_nbd_genl_connect+0x10/0x10 [ 590.969511][ T9648] netlink_rcv_skb+0x208/0x470 [ 590.969522][ T9648] ? __lock_acquire+0xab9/0xd20 [ 590.969535][ T9648] ? __pfx_genl_rcv_msg+0x10/0x10 [ 590.969551][ T9648] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 590.969573][ T9648] ? down_read+0x1ad/0x2e0 [ 590.969590][ T9648] genl_rcv+0x28/0x40 [ 590.969604][ T9648] netlink_unicast+0x82f/0x9e0 [ 590.969619][ T9648] ? __pfx_netlink_unicast+0x10/0x10 [ 590.969631][ T9648] ? netlink_sendmsg+0x642/0xb30 [ 590.969642][ T9648] ? skb_put+0x11b/0x210 [ 590.969658][ T9648] netlink_sendmsg+0x805/0xb30 [ 590.969675][ T9648] ? __pfx_netlink_sendmsg+0x10/0x10 [ 590.969694][ T9648] ? aa_sock_msg_perm+0xf1/0x1d0 [ 590.969706][ T9648] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 590.969722][ T9648] ? __pfx_netlink_sendmsg+0x10/0x10 [ 590.969735][ T9648] __sock_sendmsg+0x21c/0x270 [ 590.969747][ T9648] ____sys_sendmsg+0x505/0x830 [ 590.969765][ T9648] ? __pfx_____sys_sendmsg+0x10/0x10 [ 590.969784][ T9648] ? import_iovec+0x74/0xa0 [ 590.969795][ T9648] ___sys_sendmsg+0x21f/0x2a0 [ 590.969811][ T9648] ? __pfx____sys_sendmsg+0x10/0x10 [ 590.969832][ T9648] ? rcu_read_lock_any_held+0xb3/0x120 [ 590.969854][ T9648] ? sb_end_write+0xe9/0x1c0 [ 590.969875][ T9648] ? __pfx_vfs_write+0x10/0x10 [ 590.969896][ T9648] __x64_sys_sendmsg+0x19b/0x260 [ 590.969911][ T9648] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 590.969930][ T9648] ? __pfx_ksys_write+0x10/0x10 [ 590.969942][ T9648] ? do_syscall_64+0xbe/0xfa0 [ 590.969957][ T9648] do_syscall_64+0xfa/0xfa0 [ 590.969970][ T9648] ? lockdep_hardirqs_on+0x9c/0x150 [ 590.969983][ T9648] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 590.969993][ T9648] ? clear_bhb_loop+0x60/0xb0 [ 590.970006][ T9648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 590.970016][ T9648] RIP: 0033:0x7f497562bba9 [ 590.970026][ T9648] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 590.970035][ T9648] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 590.970048][ T9648] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 590.970056][ T9648] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 590.970063][ T9648] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 590.970070][ T9648] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 590.970077][ T9648] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 590.970094][ T9648] [ 590.970235][ T9648] blk-mq: reduced tag depth (128 -> 64) executing program [ 591.667871][ T9648] nbd1094: detected capacity change from 0 to 127 [ 591.676192][ T52] block nbd1094: Receive control failed (result -32) [ 591.677278][ T6279] block nbd1094: Receive control failed (result -32) [ 591.696201][ T9650] FAULT_INJECTION: forcing a failure. [ 591.696201][ T9650] name failslab, interval 1, probability 0, space 0, times 0 [ 591.709157][ T9650] CPU: 1 UID: 0 PID: 9650 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 591.709177][ T9650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 591.709185][ T9650] Call Trace: [ 591.709192][ T9650] [ 591.709198][ T9650] dump_stack_lvl+0x189/0x250 [ 591.709218][ T9650] ? __pfx____ratelimit+0x10/0x10 [ 591.709236][ T9650] ? __pfx_dump_stack_lvl+0x10/0x10 [ 591.709249][ T9650] ? __pfx__printk+0x10/0x10 [ 591.709277][ T9650] ? __pfx___might_resched+0x10/0x10 [ 591.709297][ T9650] ? fs_reclaim_acquire+0x7d/0x100 [ 591.709319][ T9650] should_fail_ex+0x414/0x560 [ 591.709335][ T9650] should_failslab+0xa8/0x100 [ 591.709352][ T9650] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 591.709367][ T9650] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 591.709382][ T9650] ? __init_waitqueue_head+0xa9/0x150 [ 591.709395][ T9650] sbitmap_queue_init_node+0x1dc/0x4d0 [ 591.709412][ T9650] blk_mq_init_tags+0x1b9/0x2f0 [ 591.709429][ T9650] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 591.709439][ T9650] ? blk_mq_map_queues+0x3ff/0x4a0 [ 591.709449][ T9650] ? kfree+0x19a/0x6d0 [ 591.709464][ T9650] ? blk_mq_map_queues+0x3ff/0x4a0 [ 591.709476][ T9650] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 591.709495][ T9650] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 591.709514][ T9650] nbd_dev_add+0x2d7/0xae0 [ 591.709529][ T9650] ? __pfx_nbd_dev_add+0x10/0x10 [ 591.709556][ T9650] nbd_genl_connect+0x919/0x18f0 [ 591.709572][ T9650] ? __pfx_nbd_genl_connect+0x10/0x10 [ 591.709585][ T9650] ? rcu_is_watching+0x15/0xb0 [ 591.709602][ T9650] ? __nla_parse+0x40/0x60 [ 591.709618][ T9650] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 591.709638][ T9650] genl_family_rcv_msg_doit+0x215/0x300 [ 591.709657][ T9650] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 591.709680][ T9650] ? stack_trace_save+0x9c/0xe0 [ 591.709693][ T9650] genl_rcv_msg+0x60e/0x790 [ 591.709712][ T9650] ? __pfx_genl_rcv_msg+0x10/0x10 [ 591.709726][ T9650] ? __pfx_nbd_genl_connect+0x10/0x10 [ 591.709750][ T9650] netlink_rcv_skb+0x208/0x470 [ 591.709761][ T9650] ? __lock_acquire+0xab9/0xd20 [ 591.709774][ T9650] ? __pfx_genl_rcv_msg+0x10/0x10 [ 591.709790][ T9650] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 591.709812][ T9650] ? down_read+0x1ad/0x2e0 [ 591.709829][ T9650] genl_rcv+0x28/0x40 [ 591.709843][ T9650] netlink_unicast+0x82f/0x9e0 [ 591.709860][ T9650] ? __pfx_netlink_unicast+0x10/0x10 [ 591.709872][ T9650] ? netlink_sendmsg+0x642/0xb30 [ 591.709884][ T9650] ? skb_put+0x11b/0x210 [ 591.709899][ T9650] netlink_sendmsg+0x805/0xb30 [ 591.709916][ T9650] ? __pfx_netlink_sendmsg+0x10/0x10 [ 591.709931][ T9650] ? aa_sock_msg_perm+0xf1/0x1d0 [ 591.709943][ T9650] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 591.709958][ T9650] ? __pfx_netlink_sendmsg+0x10/0x10 [ 591.709971][ T9650] __sock_sendmsg+0x21c/0x270 [ 591.709984][ T9650] ____sys_sendmsg+0x505/0x830 [ 591.710001][ T9650] ? __pfx_____sys_sendmsg+0x10/0x10 [ 591.710020][ T9650] ? import_iovec+0x74/0xa0 [ 591.710032][ T9650] ___sys_sendmsg+0x21f/0x2a0 [ 591.710048][ T9650] ? __pfx____sys_sendmsg+0x10/0x10 [ 591.710065][ T9650] ? rcu_read_lock_any_held+0xb3/0x120 [ 591.710088][ T9650] ? sb_end_write+0xe9/0x1c0 [ 591.710108][ T9650] ? __pfx_vfs_write+0x10/0x10 [ 591.710129][ T9650] __x64_sys_sendmsg+0x19b/0x260 [ 591.710144][ T9650] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 591.710163][ T9650] ? __pfx_ksys_write+0x10/0x10 [ 591.710175][ T9650] ? do_syscall_64+0xbe/0xfa0 [ 591.710190][ T9650] do_syscall_64+0xfa/0xfa0 [ 591.710203][ T9650] ? lockdep_hardirqs_on+0x9c/0x150 [ 591.710216][ T9650] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 591.710226][ T9650] ? clear_bhb_loop+0x60/0xb0 [ 591.710238][ T9650] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 591.710248][ T9650] RIP: 0033:0x7f497562bba9 [ 591.710259][ T9650] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 591.710268][ T9650] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 591.710281][ T9650] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 591.710289][ T9650] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 591.710296][ T9650] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 591.710303][ T9650] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 591.710311][ T9650] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 591.710328][ T9650] [ 592.142045][ T9650] blk-mq: reduced tag depth (128 -> 64) executing program [ 592.397927][ T9650] nbd1095: detected capacity change from 0 to 127 [ 592.406311][ T6279] block nbd1095: Receive control failed (result -32) [ 592.406700][ T52] block nbd1095: Receive control failed (result -32) [ 592.425861][ T9652] blk-mq: reduced tag depth (128 -> 64) executing program [ 592.698035][ T9652] nbd1096: detected capacity change from 0 to 127 [ 592.706867][ T52] block nbd1096: Receive control failed (result -32) [ 592.706865][ T6279] block nbd1096: Receive control failed (result -32) [ 592.725208][ T9654] FAULT_INJECTION: forcing a failure. [ 592.725208][ T9654] name failslab, interval 1, probability 0, space 0, times 0 [ 592.738010][ T9654] CPU: 1 UID: 0 PID: 9654 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 592.738031][ T9654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 592.738041][ T9654] Call Trace: [ 592.738048][ T9654] [ 592.738055][ T9654] dump_stack_lvl+0x189/0x250 [ 592.738073][ T9654] ? __pfx____ratelimit+0x10/0x10 [ 592.738091][ T9654] ? __pfx_dump_stack_lvl+0x10/0x10 [ 592.738105][ T9654] ? __pfx__printk+0x10/0x10 [ 592.738128][ T9654] ? __pfx___might_resched+0x10/0x10 [ 592.738144][ T9654] ? fs_reclaim_acquire+0x7d/0x100 [ 592.738167][ T9654] should_fail_ex+0x414/0x560 [ 592.738188][ T9654] should_failslab+0xa8/0x100 [ 592.738209][ T9654] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 592.738228][ T9654] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 592.738247][ T9654] ? __init_waitqueue_head+0xa9/0x150 [ 592.738265][ T9654] sbitmap_queue_init_node+0x1dc/0x4d0 [ 592.738286][ T9654] blk_mq_init_tags+0x1b9/0x2f0 [ 592.738308][ T9654] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 592.738322][ T9654] ? blk_mq_map_queues+0x3ff/0x4a0 [ 592.738335][ T9654] ? kfree+0x19a/0x6d0 [ 592.738355][ T9654] ? blk_mq_map_queues+0x3ff/0x4a0 [ 592.738372][ T9654] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 592.738399][ T9654] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 592.738424][ T9654] nbd_dev_add+0x2d7/0xae0 [ 592.738444][ T9654] ? __pfx_nbd_dev_add+0x10/0x10 [ 592.738484][ T9654] nbd_genl_connect+0x919/0x18f0 [ 592.738505][ T9654] ? __pfx_nbd_genl_connect+0x10/0x10 [ 592.738524][ T9654] ? rcu_is_watching+0x15/0xb0 [ 592.738544][ T9654] ? __nla_parse+0x40/0x60 [ 592.738565][ T9654] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 592.738591][ T9654] genl_family_rcv_msg_doit+0x215/0x300 [ 592.738616][ T9654] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 592.738652][ T9654] ? stack_trace_save+0x9c/0xe0 [ 592.738671][ T9654] genl_rcv_msg+0x60e/0x790 [ 592.738695][ T9654] ? __pfx_genl_rcv_msg+0x10/0x10 [ 592.738713][ T9654] ? __pfx_nbd_genl_connect+0x10/0x10 [ 592.738738][ T9654] netlink_rcv_skb+0x208/0x470 [ 592.738752][ T9654] ? __lock_acquire+0xab9/0xd20 [ 592.738768][ T9654] ? __pfx_genl_rcv_msg+0x10/0x10 [ 592.738788][ T9654] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 592.738818][ T9654] ? down_read+0x1ad/0x2e0 [ 592.738847][ T9654] genl_rcv+0x28/0x40 [ 592.738876][ T9654] netlink_unicast+0x82f/0x9e0 [ 592.738911][ T9654] ? __pfx_netlink_unicast+0x10/0x10 [ 592.738935][ T9654] ? netlink_sendmsg+0x642/0xb30 [ 592.738957][ T9654] ? skb_put+0x11b/0x210 [ 592.738988][ T9654] netlink_sendmsg+0x805/0xb30 [ 592.739015][ T9654] ? __pfx_netlink_sendmsg+0x10/0x10 [ 592.739039][ T9654] ? aa_sock_msg_perm+0xf1/0x1d0 [ 592.739055][ T9654] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 592.739074][ T9654] ? __pfx_netlink_sendmsg+0x10/0x10 [ 592.739091][ T9654] __sock_sendmsg+0x21c/0x270 [ 592.739108][ T9654] ____sys_sendmsg+0x505/0x830 [ 592.739131][ T9654] ? __pfx_____sys_sendmsg+0x10/0x10 [ 592.739155][ T9654] ? import_iovec+0x74/0xa0 [ 592.739172][ T9654] ___sys_sendmsg+0x21f/0x2a0 [ 592.739191][ T9654] ? __pfx____sys_sendmsg+0x10/0x10 [ 592.739214][ T9654] ? rcu_read_lock_any_held+0xb3/0x120 [ 592.739244][ T9654] ? sb_end_write+0xe9/0x1c0 [ 592.739270][ T9654] ? __pfx_vfs_write+0x10/0x10 [ 592.739296][ T9654] __x64_sys_sendmsg+0x19b/0x260 [ 592.739317][ T9654] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 592.739341][ T9654] ? __pfx_ksys_write+0x10/0x10 [ 592.739357][ T9654] ? do_syscall_64+0xbe/0xfa0 [ 592.739378][ T9654] do_syscall_64+0xfa/0xfa0 [ 592.739395][ T9654] ? lockdep_hardirqs_on+0x9c/0x150 [ 592.739411][ T9654] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 592.739425][ T9654] ? clear_bhb_loop+0x60/0xb0 [ 592.739442][ T9654] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 592.739455][ T9654] RIP: 0033:0x7f497562bba9 [ 592.739469][ T9654] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 592.739480][ T9654] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 592.739497][ T9654] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 592.739508][ T9654] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 592.739518][ T9654] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 592.739527][ T9654] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 592.739537][ T9654] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 592.739561][ T9654] [ 592.739840][ T9654] blk-mq: reduced tag depth (128 -> 64) executing program [ 593.457950][ T9654] nbd1097: detected capacity change from 0 to 127 [ 593.466411][ T6279] block nbd1097: Receive control failed (result -32) [ 593.467545][ T52] block nbd1097: Receive control failed (result -32) [ 593.494533][ T9656] blk-mq: reduced tag depth (128 -> 64) executing program [ 593.797930][ T9656] nbd1098: detected capacity change from 0 to 127 [ 593.806591][ T6279] block nbd1098: Receive control failed (result -32) [ 593.806597][ T52] block nbd1098: Receive control failed (result -32) [ 593.825892][ T9658] blk-mq: reduced tag depth (128 -> 64) executing program [ 594.097878][ T9658] nbd1099: detected capacity change from 0 to 127 [ 594.106160][ T6279] block nbd1099: Receive control failed (result -32) [ 594.106160][ T52] block nbd1099: Receive control failed (result -32) executing program [ 594.407916][ T9660] nbd1100: detected capacity change from 0 to 127 [ 594.416627][ T52] block nbd1100: Receive control failed (result -32) [ 594.416627][ T6279] block nbd1100: Receive control failed (result -32) [ 594.439548][ T9662] FAULT_INJECTION: forcing a failure. [ 594.439548][ T9662] name failslab, interval 1, probability 0, space 0, times 0 [ 594.452260][ T9662] CPU: 0 UID: 0 PID: 9662 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 594.452276][ T9662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 594.452283][ T9662] Call Trace: [ 594.452288][ T9662] [ 594.452293][ T9662] dump_stack_lvl+0x189/0x250 [ 594.452308][ T9662] ? __pfx____ratelimit+0x10/0x10 [ 594.452322][ T9662] ? __pfx_dump_stack_lvl+0x10/0x10 [ 594.452333][ T9662] ? __pfx__printk+0x10/0x10 [ 594.452350][ T9662] ? __pfx___might_resched+0x10/0x10 [ 594.452364][ T9662] ? fs_reclaim_acquire+0x7d/0x100 [ 594.452382][ T9662] should_fail_ex+0x414/0x560 [ 594.452397][ T9662] should_failslab+0xa8/0x100 [ 594.452414][ T9662] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 594.452430][ T9662] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 594.452445][ T9662] ? __init_waitqueue_head+0xa9/0x150 [ 594.452458][ T9662] sbitmap_queue_init_node+0x1dc/0x4d0 [ 594.452474][ T9662] blk_mq_init_tags+0x1b9/0x2f0 [ 594.452493][ T9662] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 594.452503][ T9662] ? blk_mq_map_queues+0x3ff/0x4a0 [ 594.452512][ T9662] ? kfree+0x19a/0x6d0 [ 594.452528][ T9662] ? blk_mq_map_queues+0x3ff/0x4a0 [ 594.452540][ T9662] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 594.452559][ T9662] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 594.452577][ T9662] nbd_dev_add+0x2d7/0xae0 [ 594.452592][ T9662] ? __pfx_nbd_dev_add+0x10/0x10 [ 594.452620][ T9662] nbd_genl_connect+0x919/0x18f0 [ 594.452635][ T9662] ? __pfx_nbd_genl_connect+0x10/0x10 [ 594.452649][ T9662] ? rcu_is_watching+0x15/0xb0 [ 594.452665][ T9662] ? __nla_parse+0x40/0x60 [ 594.452681][ T9662] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 594.452701][ T9662] genl_family_rcv_msg_doit+0x215/0x300 [ 594.452721][ T9662] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 594.452744][ T9662] ? stack_trace_save+0x9c/0xe0 [ 594.452757][ T9662] genl_rcv_msg+0x60e/0x790 [ 594.452775][ T9662] ? __pfx_genl_rcv_msg+0x10/0x10 [ 594.452790][ T9662] ? __pfx_nbd_genl_connect+0x10/0x10 [ 594.452808][ T9662] netlink_rcv_skb+0x208/0x470 [ 594.452819][ T9662] ? __lock_acquire+0xab9/0xd20 [ 594.452832][ T9662] ? __pfx_genl_rcv_msg+0x10/0x10 [ 594.452848][ T9662] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 594.452870][ T9662] ? down_read+0x1ad/0x2e0 [ 594.452887][ T9662] genl_rcv+0x28/0x40 [ 594.452901][ T9662] netlink_unicast+0x82f/0x9e0 [ 594.452918][ T9662] ? __pfx_netlink_unicast+0x10/0x10 [ 594.452930][ T9662] ? netlink_sendmsg+0x642/0xb30 [ 594.452941][ T9662] ? skb_put+0x11b/0x210 [ 594.452957][ T9662] netlink_sendmsg+0x805/0xb30 [ 594.452974][ T9662] ? __pfx_netlink_sendmsg+0x10/0x10 [ 594.452989][ T9662] ? aa_sock_msg_perm+0xf1/0x1d0 [ 594.453001][ T9662] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 594.453017][ T9662] ? __pfx_netlink_sendmsg+0x10/0x10 [ 594.453030][ T9662] __sock_sendmsg+0x21c/0x270 [ 594.453043][ T9662] ____sys_sendmsg+0x505/0x830 [ 594.453061][ T9662] ? __pfx_____sys_sendmsg+0x10/0x10 [ 594.453093][ T9662] ? import_iovec+0x74/0xa0 [ 594.453105][ T9662] ___sys_sendmsg+0x21f/0x2a0 [ 594.453121][ T9662] ? __pfx____sys_sendmsg+0x10/0x10 [ 594.453139][ T9662] ? rcu_read_lock_any_held+0xb3/0x120 [ 594.453160][ T9662] ? sb_end_write+0xe9/0x1c0 [ 594.453180][ T9662] ? __pfx_vfs_write+0x10/0x10 [ 594.453206][ T9662] __x64_sys_sendmsg+0x19b/0x260 [ 594.453222][ T9662] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 594.453241][ T9662] ? __pfx_ksys_write+0x10/0x10 [ 594.453252][ T9662] ? do_syscall_64+0xbe/0xfa0 [ 594.453268][ T9662] do_syscall_64+0xfa/0xfa0 [ 594.453281][ T9662] ? lockdep_hardirqs_on+0x9c/0x150 [ 594.453294][ T9662] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 594.453304][ T9662] ? clear_bhb_loop+0x60/0xb0 [ 594.453316][ T9662] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 594.453326][ T9662] RIP: 0033:0x7f497562bba9 [ 594.453336][ T9662] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 594.453345][ T9662] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 594.453357][ T9662] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 594.453365][ T9662] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 594.453373][ T9662] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 594.453380][ T9662] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 594.453387][ T9662] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 594.453403][ T9662] [ 594.453546][ T9662] blk-mq: reduced tag depth (128 -> 64) executing program [ 595.138001][ T9662] nbd1101: detected capacity change from 0 to 127 [ 595.146415][ T6279] block nbd1101: Receive control failed (result -32) [ 595.147535][ T52] block nbd1101: Receive control failed (result -32) [ 595.171803][ T9664] blk-mq: reduced tag depth (128 -> 64) executing program [ 595.477889][ T9664] nbd1102: detected capacity change from 0 to 127 [ 595.486387][ T6279] block nbd1102: Receive control failed (result -32) [ 595.487511][ T52] block nbd1102: Receive control failed (result -32) [ 595.513696][ T9666] FAULT_INJECTION: forcing a failure. [ 595.513696][ T9666] name failslab, interval 1, probability 0, space 0, times 0 [ 595.526493][ T9666] CPU: 1 UID: 0 PID: 9666 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 595.526516][ T9666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 595.526527][ T9666] Call Trace: [ 595.526535][ T9666] [ 595.526544][ T9666] dump_stack_lvl+0x189/0x250 [ 595.526568][ T9666] ? __pfx____ratelimit+0x10/0x10 [ 595.526589][ T9666] ? __pfx_dump_stack_lvl+0x10/0x10 [ 595.526606][ T9666] ? __pfx__printk+0x10/0x10 [ 595.526633][ T9666] ? __pfx___might_resched+0x10/0x10 [ 595.526651][ T9666] ? fs_reclaim_acquire+0x7d/0x100 [ 595.526680][ T9666] should_fail_ex+0x414/0x560 [ 595.526705][ T9666] should_failslab+0xa8/0x100 [ 595.526730][ T9666] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 595.526754][ T9666] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 595.526777][ T9666] ? __init_waitqueue_head+0xa9/0x150 [ 595.526800][ T9666] sbitmap_queue_init_node+0x1dc/0x4d0 [ 595.526827][ T9666] blk_mq_init_tags+0x1b9/0x2f0 [ 595.526854][ T9666] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 595.526871][ T9666] ? blk_mq_map_queues+0x3ff/0x4a0 [ 595.526888][ T9666] ? kfree+0x19a/0x6d0 [ 595.526913][ T9666] ? blk_mq_map_queues+0x3ff/0x4a0 [ 595.526935][ T9666] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 595.526969][ T9666] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 595.527002][ T9666] nbd_dev_add+0x2d7/0xae0 [ 595.527028][ T9666] ? __pfx_nbd_dev_add+0x10/0x10 [ 595.527079][ T9666] nbd_genl_connect+0x919/0x18f0 [ 595.527117][ T9666] ? __pfx_nbd_genl_connect+0x10/0x10 [ 595.527142][ T9666] ? rcu_is_watching+0x15/0xb0 [ 595.527166][ T9666] ? __nla_parse+0x40/0x60 [ 595.527191][ T9666] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 595.527224][ T9666] genl_family_rcv_msg_doit+0x215/0x300 [ 595.527255][ T9666] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 595.527293][ T9666] ? stack_trace_save+0x9c/0xe0 [ 595.527321][ T9666] genl_rcv_msg+0x60e/0x790 [ 595.527351][ T9666] ? __pfx_genl_rcv_msg+0x10/0x10 [ 595.527371][ T9666] ? __pfx_nbd_genl_connect+0x10/0x10 [ 595.527398][ T9666] netlink_rcv_skb+0x208/0x470 [ 595.527410][ T9666] ? __lock_acquire+0xab9/0xd20 [ 595.527422][ T9666] ? __pfx_genl_rcv_msg+0x10/0x10 [ 595.527438][ T9666] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 595.527460][ T9666] ? down_read+0x1ad/0x2e0 [ 595.527478][ T9666] genl_rcv+0x28/0x40 [ 595.527492][ T9666] netlink_unicast+0x82f/0x9e0 [ 595.527508][ T9666] ? __pfx_netlink_unicast+0x10/0x10 [ 595.527520][ T9666] ? netlink_sendmsg+0x642/0xb30 [ 595.527531][ T9666] ? skb_put+0x11b/0x210 [ 595.527547][ T9666] netlink_sendmsg+0x805/0xb30 [ 595.527564][ T9666] ? __pfx_netlink_sendmsg+0x10/0x10 [ 595.527579][ T9666] ? aa_sock_msg_perm+0xf1/0x1d0 [ 595.527591][ T9666] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 595.527606][ T9666] ? __pfx_netlink_sendmsg+0x10/0x10 [ 595.527619][ T9666] __sock_sendmsg+0x21c/0x270 [ 595.527633][ T9666] ____sys_sendmsg+0x505/0x830 [ 595.527650][ T9666] ? __pfx_____sys_sendmsg+0x10/0x10 [ 595.527669][ T9666] ? import_iovec+0x74/0xa0 [ 595.527681][ T9666] ___sys_sendmsg+0x21f/0x2a0 [ 595.527696][ T9666] ? __pfx____sys_sendmsg+0x10/0x10 [ 595.527714][ T9666] ? rcu_read_lock_any_held+0xb3/0x120 [ 595.527736][ T9666] ? sb_end_write+0xe9/0x1c0 [ 595.527767][ T9666] ? __pfx_vfs_write+0x10/0x10 [ 595.527798][ T9666] __x64_sys_sendmsg+0x19b/0x260 [ 595.527822][ T9666] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 595.527853][ T9666] ? __pfx_ksys_write+0x10/0x10 [ 595.527874][ T9666] ? do_syscall_64+0xbe/0xfa0 [ 595.527898][ T9666] do_syscall_64+0xfa/0xfa0 [ 595.527917][ T9666] ? lockdep_hardirqs_on+0x9c/0x150 [ 595.527938][ T9666] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 595.527956][ T9666] ? clear_bhb_loop+0x60/0xb0 [ 595.527977][ T9666] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 595.527994][ T9666] RIP: 0033:0x7f497562bba9 [ 595.528011][ T9666] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 595.528027][ T9666] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 595.528047][ T9666] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 595.528061][ T9666] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 595.528074][ T9666] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 595.528092][ T9666] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 595.528105][ T9666] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 595.528136][ T9666] [ 595.957968][ T9666] blk-mq: reduced tag depth (128 -> 64) executing program [ 596.227883][ T9666] nbd1103: detected capacity change from 0 to 127 [ 596.236314][ T52] block nbd1103: Receive control failed (result -32) [ 596.236317][ T6279] block nbd1103: Receive control failed (result -32) [ 596.255999][ T9668] blk-mq: reduced tag depth (128 -> 64) [ 596.304375][ T95] nbd_xmit_timeout: 38 callbacks suppressed [ 596.304394][ T95] block nbd1025: Connection timed out, retrying (0/2 alive) [ 596.318102][ T8797] find_fallback: 4 callbacks suppressed [ 596.318122][ T8797] block nbd1025: Dead connection, failed to find a fallback [ 596.331620][ T8797] block nbd1025: shutting down sockets [ 596.337100][ T8797] blk_print_req_error: 8505 callbacks suppressed [ 596.337112][ T8797] I/O error, dev nbd1025, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.353113][ T95] block nbd1025: Connection timed out, retrying (0/2 alive) [ 596.360510][ T95] block nbd1025: Connection timed out, retrying (0/2 alive) [ 596.367938][ T95] block nbd1025: Connection timed out, retrying (0/2 alive) [ 596.375405][ T8797] buffer_io_error: 8505 callbacks suppressed [ 596.375416][ T8797] Buffer I/O error on dev nbd1025, logical block 0, async page read [ 596.389644][ T8797] I/O error, dev nbd1025, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.399202][ T8797] Buffer I/O error on dev nbd1025, logical block 3, async page read [ 596.407268][ T8797] I/O error, dev nbd1025, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.418106][ T8797] Buffer I/O error on dev nbd1025, logical block 2, async page read [ 596.418256][ T25] block nbd1024: Connection timed out, retrying (0/2 alive) [ 596.426177][ T8797] I/O error, dev nbd1025, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.434254][ T9145] block nbd1024: Dead connection, failed to find a fallback [ 596.443397][ T8797] Buffer I/O error on dev nbd1025, logical block 1, async page read [ 596.450960][ T9145] block nbd1024: shutting down sockets [ 596.459025][ T6550] I/O error, dev nbd1025, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.464295][ T25] block nbd1024: Connection timed out, retrying (0/2 alive) [ 596.481001][ T9145] I/O error, dev nbd1024, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.490431][ T25] block nbd1024: Connection timed out, retrying (0/2 alive) [ 596.490746][ T6550] Buffer I/O error on dev nbd1025, logical block 0, async page read [ 596.497951][ T9145] Buffer I/O error on dev nbd1024, logical block 0, async page read [ 596.498079][ T9145] I/O error, dev nbd1024, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.515588][ T6550] I/O error, dev nbd1025, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.523572][ T25] block nbd1024: Connection timed out, retrying (0/2 alive) [ 596.540653][ T6550] Buffer I/O error on dev nbd1025, logical block 1, async page read [ 596.541153][ T6550] I/O error, dev nbd1025, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.549038][ T9145] Buffer I/O error on dev nbd1024, logical block 1, async page read [ 596.558815][ T6550] Buffer I/O error on dev nbd1025, logical block 2, async page read [ 596.566549][ T9145] I/O error, dev nbd1024, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 596.575015][ T6550] Buffer I/O error on dev nbd1025, logical block 3, async page read [ 596.586951][ T6233] ldm_validate_partition_table(): Disk read failed. [ 596.596184][ T6550] ldm_validate_partition_table(): Disk read failed. [ 596.600313][ T6233] Dev nbd1024: unable to read RDB block 0 [ 596.612937][ T6233] nbd1024: unable to read partition table [ 596.615100][ T6550] Dev nbd1025: unable to read RDB block 0 [ 596.626718][ T6550] nbd1025: unable to read partition table [ 596.633120][ T6233] ldm_validate_partition_table(): Disk read failed. [ 596.642577][ T6233] Dev nbd1024: unable to read RDB block 0 [ 596.650175][ T6233] nbd1024: unable to read partition table [ 596.671548][ T6550] ldm_validate_partition_table(): Disk read failed. [ 596.675434][ T6233] block nbd1036: Dead connection, failed to find a fallback [ 596.686375][ T6550] Dev nbd1025: unable to read RDB block 0 [ 596.690874][ T6233] block nbd1036: shutting down sockets [ 596.694417][ T6550] nbd1025: unable to read partition table [ 596.701229][ T6233] ldm_validate_partition_table(): Disk read failed. [ 596.704484][ T9668] nbd1104: detected capacity change from 0 to 127 executing program [ 596.712430][ T6233] Dev nbd1036: unable to read RDB block 0 [ 596.726257][ T6233] nbd1036: unable to read partition table [ 596.735456][ T52] block nbd1104: Receive control failed (result -32) [ 596.744174][ T6279] block nbd1104: Receive control failed (result -32) [ 596.764147][ T9670] blk-mq: reduced tag depth (128 -> 64) [ 596.770344][ T6550] block nbd1037: Dead connection, failed to find a fallback [ 596.783293][ T6233] ldm_validate_partition_table(): Disk read failed. [ 596.790104][ T6550] block nbd1037: shutting down sockets [ 596.799832][ T6233] Dev nbd1036: unable to read RDB block 0 [ 596.800727][ T6550] ldm_validate_partition_table(): Disk read failed. [ 596.814009][ T6550] Dev nbd1037: unable to read RDB block 0 [ 596.817689][ T6233] nbd1036: unable to read partition table [ 596.822224][ T6550] nbd1037: unable to read partition table [ 596.842425][ T6550] ldm_validate_partition_table(): Disk read failed. [ 596.853051][ T6233] ldm_validate_partition_table(): Disk read failed. [ 596.853697][ T6550] Dev nbd1037: unable to read RDB block 0 [ 596.862320][ T6233] Dev nbd1036: unable to read RDB block 0 [ 596.867477][ T6550] nbd1037: unable to read partition table [ 596.874018][ T6233] nbd1036: unable to read partition table [ 596.894822][ T6233] ldm_validate_partition_table(): Disk read failed. [ 596.903837][ T6233] Dev nbd1036: unable to read RDB block 0 [ 596.909509][ T8797] block nbd1027: Connection timed out, retrying (0/2 alive) [ 596.912131][ T6233] nbd1036: unable to read partition table [ 596.916905][ T8797] block nbd1027: Connection timed out, retrying (0/2 alive) [ 596.930340][ T11] block nbd1027: Dead connection, failed to find a fallback [ 596.937683][ T11] block nbd1027: shutting down sockets [ 596.941262][ T6233] ldm_validate_partition_table(): Disk read failed. [ 596.950326][ T6569] ldm_validate_partition_table(): Disk read failed. [ 596.951791][ T9145] block nbd1026: Dead connection, failed to find a fallback [ 596.964860][ T9145] block nbd1026: shutting down sockets [ 596.964987][ T6569] Dev nbd1027: unable to read RDB block 0 [ 596.977306][ T6244] ldm_validate_partition_table(): Disk read failed. [ 596.982125][ T6550] ldm_validate_partition_table(): Disk read failed. [ 596.986226][ T6233] Dev nbd1036: unable to read RDB block 0 [ 596.993226][ T6569] nbd1027: unable to read partition table [ 597.002699][ T6244] Dev nbd1026: unable to read RDB block 0 [ 597.010093][ T6550] Dev nbd1037: unable to read RDB block 0 [ 597.011746][ T6244] nbd1026: unable to read partition table [ 597.021785][ T6550] nbd1037: unable to read partition table [ 597.025819][ T6233] nbd1036: unable to read partition table [ 597.032936][ T6569] ldm_validate_partition_table(): Disk read failed. [ 597.044364][ T6569] Dev nbd1027: unable to read RDB block 0 [ 597.046538][ T6550] ldm_validate_partition_table(): Disk read failed. [ 597.052037][ T6569] nbd1027: unable to read partition table [ 597.072573][ T6233] ldm_validate_partition_table(): Disk read failed. [ 597.081205][ T6550] Dev nbd1037: unable to read RDB block 0 [ 597.089368][ T6244] ldm_validate_partition_table(): Disk read failed. [ 597.089830][ T6233] Dev nbd1036: unable to read RDB block 0 [ 597.100523][ T6569] block nbd1038: Dead connection, failed to find a fallback [ 597.103243][ T6550] nbd1037: unable to read partition table [ 597.122636][ T6244] Dev nbd1026: unable to read RDB block 0 [ 597.129499][ T6569] block nbd1038: shutting down sockets [ 597.130330][ T6233] nbd1036: unable to read partition table [ 597.139677][ T6244] nbd1026: unable to read partition table [ 597.148166][ T9670] nbd1105: detected capacity change from 0 to 127 [ 597.159208][ T6279] block nbd1105: Receive control failed (result -32) [ 597.160318][ T52] block nbd1105: Receive control failed (result -32) executing program [ 597.180466][ T6550] ldm_validate_partition_table(): Disk read failed. [ 597.183399][ T9672] FAULT_INJECTION: forcing a failure. [ 597.183399][ T9672] name failslab, interval 1, probability 0, space 0, times 0 [ 597.200685][ T6569] ldm_validate_partition_table(): Disk read failed. [ 597.209595][ T6550] Dev nbd1037: unable to read RDB block 0 [ 597.216221][ T6233] block nbd1039: Dead connection, failed to find a fallback [ 597.220147][ T6244] block nbd1040: Dead connection, failed to find a fallback [ 597.225430][ T6569] Dev nbd1038: unable to read RDB block 0 [ 597.236912][ T9672] CPU: 1 UID: 0 PID: 9672 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 597.236936][ T9672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 597.236947][ T9672] Call Trace: [ 597.236955][ T9672] [ 597.236962][ T9672] dump_stack_lvl+0x189/0x250 [ 597.236986][ T9672] ? __pfx____ratelimit+0x10/0x10 [ 597.237007][ T9672] ? __pfx_dump_stack_lvl+0x10/0x10 [ 597.237024][ T9672] ? __pfx__printk+0x10/0x10 [ 597.237053][ T9672] ? __pfx___might_resched+0x10/0x10 [ 597.237073][ T9672] ? fs_reclaim_acquire+0x7d/0x100 [ 597.237101][ T9672] should_fail_ex+0x414/0x560 [ 597.237126][ T9672] should_failslab+0xa8/0x100 [ 597.237152][ T9672] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 597.237175][ T9672] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 597.237197][ T9672] ? __init_waitqueue_head+0xa9/0x150 [ 597.237216][ T9672] sbitmap_queue_init_node+0x1dc/0x4d0 [ 597.237240][ T9672] blk_mq_init_tags+0x1b9/0x2f0 [ 597.237266][ T9672] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 597.237282][ T9672] ? blk_mq_map_queues+0x3ff/0x4a0 [ 597.237299][ T9672] ? kfree+0x19a/0x6d0 [ 597.237325][ T9672] ? blk_mq_map_queues+0x3ff/0x4a0 [ 597.237347][ T9672] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 597.237380][ T9672] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 597.237414][ T9672] nbd_dev_add+0x2d7/0xae0 [ 597.237439][ T9672] ? __pfx_nbd_dev_add+0x10/0x10 [ 597.237490][ T9672] nbd_genl_connect+0x919/0x18f0 [ 597.237518][ T9672] ? __pfx_nbd_genl_connect+0x10/0x10 [ 597.237543][ T9672] ? rcu_is_watching+0x15/0xb0 [ 597.237569][ T9672] ? __nla_parse+0x40/0x60 [ 597.237595][ T9672] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 597.237629][ T9672] genl_family_rcv_msg_doit+0x215/0x300 [ 597.237660][ T9672] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 597.237705][ T9672] ? stack_trace_save+0x9c/0xe0 [ 597.237728][ T9672] genl_rcv_msg+0x60e/0x790 [ 597.237761][ T9672] ? __pfx_genl_rcv_msg+0x10/0x10 [ 597.237780][ T9672] ? __pfx_nbd_genl_connect+0x10/0x10 [ 597.237818][ T9672] netlink_rcv_skb+0x208/0x470 [ 597.237836][ T9672] ? __lock_acquire+0xab9/0xd20 [ 597.237855][ T9672] ? __pfx_genl_rcv_msg+0x10/0x10 [ 597.237889][ T9672] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 597.237926][ T9672] ? down_read+0x1ad/0x2e0 [ 597.237953][ T9672] genl_rcv+0x28/0x40 [ 597.237974][ T9672] netlink_unicast+0x82f/0x9e0 [ 597.238003][ T9672] ? __pfx_netlink_unicast+0x10/0x10 [ 597.238025][ T9672] ? netlink_sendmsg+0x642/0xb30 [ 597.238043][ T9672] ? skb_put+0x11b/0x210 [ 597.238069][ T9672] netlink_sendmsg+0x805/0xb30 [ 597.238099][ T9672] ? __pfx_netlink_sendmsg+0x10/0x10 [ 597.238124][ T9672] ? aa_sock_msg_perm+0xf1/0x1d0 [ 597.238145][ T9672] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 597.238168][ T9672] ? __pfx_netlink_sendmsg+0x10/0x10 [ 597.238190][ T9672] __sock_sendmsg+0x21c/0x270 [ 597.238213][ T9672] ____sys_sendmsg+0x505/0x830 [ 597.238242][ T9672] ? __pfx_____sys_sendmsg+0x10/0x10 [ 597.238273][ T9672] ? import_iovec+0x74/0xa0 [ 597.238294][ T9672] ___sys_sendmsg+0x21f/0x2a0 [ 597.238320][ T9672] ? __pfx____sys_sendmsg+0x10/0x10 [ 597.238349][ T9672] ? rcu_read_lock_any_held+0xb3/0x120 [ 597.238385][ T9672] ? sb_end_write+0xe9/0x1c0 [ 597.238428][ T9672] ? __pfx_vfs_write+0x10/0x10 [ 597.238463][ T9672] __x64_sys_sendmsg+0x19b/0x260 [ 597.238488][ T9672] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 597.238520][ T9672] ? __pfx_ksys_write+0x10/0x10 [ 597.238541][ T9672] ? do_syscall_64+0xbe/0xfa0 [ 597.238566][ T9672] do_syscall_64+0xfa/0xfa0 [ 597.238587][ T9672] ? lockdep_hardirqs_on+0x9c/0x150 [ 597.238607][ T9672] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 597.238625][ T9672] ? clear_bhb_loop+0x60/0xb0 [ 597.238647][ T9672] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 597.238664][ T9672] RIP: 0033:0x7f497562bba9 [ 597.238682][ T9672] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 597.238697][ T9672] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 597.238718][ T9672] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 597.238732][ T9672] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 597.238745][ T9672] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 597.238757][ T9672] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 597.238770][ T9672] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 597.238807][ T9672] [ 597.238825][ T6550] nbd1037: unable to read partition table [ 597.243385][ T6569] nbd1038: unable to read partition table [ 597.251714][ T6244] block nbd1040: shutting down sockets [ 597.268135][ T6233] block nbd1039: shutting down sockets [ 597.270877][ T9672] blk-mq: reduced tag depth (128 -> 64) [ 597.281505][ T6550] ldm_validate_partition_table(): Disk read failed. [ 597.289560][ T6244] ldm_validate_partition_table(): Disk read failed. [ 597.292703][ T6233] ldm_validate_partition_table(): Disk read failed. [ 597.305168][ T6244] Dev nbd1040: unable to read RDB block 0 [ 597.315443][ T6550] Dev nbd1037: unable to read RDB block 0 [ 597.357397][ T6244] nbd1040: unable to read partition table [ 597.365223][ T6233] Dev nbd1039: unable to read RDB block 0 [ 597.373239][ T6550] nbd1037: unable to read partition table [ 597.380923][ T6569] ldm_validate_partition_table(): Disk read failed. [ 597.396914][ T6550] block nbd1041: Dead connection, failed to find a fallback [ 597.410663][ T6233] nbd1039: unable to read partition table [ 597.415672][ T6550] block nbd1041: shutting down sockets [ 597.424443][ T6244] ldm_validate_partition_table(): Disk read failed. [ 597.431148][ T6550] ldm_validate_partition_table(): Disk read failed. [ 597.451650][ T6244] Dev nbd1040: unable to read RDB block 0 [ 597.462628][ T6550] Dev nbd1041: unable to read RDB block 0 [ 597.473243][ T6233] ldm_validate_partition_table(): Disk read failed. [ 597.478123][ T6550] nbd1041: unable to read partition table [ 597.502662][ T6569] Dev nbd1038: unable to read RDB block 0 [ 597.510034][ T6244] nbd1040: unable to read partition table [ 597.523135][ T6233] Dev nbd1039: unable to read RDB block 0 [ 597.532002][ T6550] ldm_validate_partition_table(): Disk read failed. [ 597.546666][ T6569] nbd1038: unable to read partition table [ 597.549170][ T6550] Dev nbd1041: unable to read RDB block 0 [ 597.552047][ T95] block nbd1029: shutting down sockets [ 597.569803][ T6550] nbd1041: unable to read partition table [ 597.577403][ T6588] ldm_validate_partition_table(): Disk read failed. [ 597.582594][ T9145] block nbd1028: shutting down sockets [ 597.589908][ T6233] nbd1039: unable to read partition table [ 597.597362][ T6580] ldm_validate_partition_table(): Disk read failed. [ 597.609920][ T6588] Dev nbd1029: unable to read RDB block 0 [ 597.635951][ T6244] ldm_validate_partition_table(): Disk read failed. [ 597.666632][ T6569] ldm_validate_partition_table(): Disk read failed. [ 597.672605][ T6580] Dev nbd1028: unable to read RDB block 0 [ 597.714646][ T6233] ldm_validate_partition_table(): Disk read failed. [ 597.720127][ T6244] Dev nbd1040: unable to read RDB block 0 [ 597.735808][ T6569] Dev nbd1038: unable to read RDB block 0 [ 597.739738][ T6244] nbd1040: unable to read partition table [ 597.744196][ T6233] Dev nbd1039: unable to read RDB block 0 [ 597.750565][ T6588] nbd1029: unable to read partition table [ 597.761187][ T6569] nbd1038: unable to read partition table [ 597.772206][ T6550] ldm_validate_partition_table(): Disk read failed. [ 597.782382][ T6233] nbd1039: unable to read partition table [ 597.791729][ T6580] nbd1028: unable to read partition table [ 597.807056][ T6550] Dev nbd1041: unable to read RDB block 0 [ 597.815412][ T6244] ldm_validate_partition_table(): Disk read failed. [ 597.856524][ T6550] nbd1041: unable to read partition table [ 597.871048][ T6244] Dev nbd1040: unable to read RDB block 0 [ 597.895494][ T6233] ldm_validate_partition_table(): Disk read failed. [ 597.900852][ T6244] nbd1040: unable to read partition table [ 597.913511][ T6588] ldm_validate_partition_table(): Disk read failed. [ 597.932267][ T6580] ldm_validate_partition_table(): Disk read failed. [ 597.937495][ T6233] Dev nbd1039: unable to read RDB block 0 [ 597.945784][ T6580] Dev nbd1028: unable to read RDB block 0 [ 597.955090][ T6550] ldm_validate_partition_table(): Disk read failed. [ 597.960054][ T9672] nbd1106: detected capacity change from 0 to 127 [ 597.967677][ T6588] Dev nbd1029: unable to read RDB block 0 [ 597.979401][ T6244] ldm_validate_partition_table(): Disk read failed. [ 598.011835][ T6588] nbd1029: unable to read partition table executing program [ 598.017413][ T6233] nbd1039: unable to read partition table [ 598.038323][ T6588] block nbd1042: shutting down sockets [ 598.043045][ T6550] Dev nbd1041: unable to read RDB block 0 [ 598.054348][ T6569] ldm_validate_partition_table(): Disk read failed. [ 598.063293][ T6580] nbd1028: unable to read partition table [ 598.069057][ T52] block nbd1106: Receive control failed (result -32) [ 598.082490][ T6550] nbd1041: unable to read partition table [ 598.085871][ T6279] block nbd1106: Receive control failed (result -32) [ 598.110848][ T9674] FAULT_INJECTION: forcing a failure. [ 598.110848][ T9674] name failslab, interval 1, probability 0, space 0, times 0 [ 598.118895][ T6569] Dev nbd1038: unable to read RDB block 0 [ 598.126782][ T6588] ldm_validate_partition_table(): Disk read failed. [ 598.134476][ T6569] nbd1038: unable to read partition table [ 598.166271][ T6244] Dev nbd1040: unable to read RDB block 0 [ 598.182033][ T6580] block nbd1043: shutting down sockets [ 598.182503][ T6569] ldm_validate_partition_table(): Disk read failed. [ 598.196406][ T6244] nbd1040: unable to read partition table [ 598.202268][ T6569] Dev nbd1038: unable to read RDB block 0 [ 598.204181][ T6569] nbd1038: unable to read partition table [ 598.213877][ T6233] ldm_validate_partition_table(): Disk read failed. [ 598.218959][ T6550] ldm_validate_partition_table(): Disk read failed. [ 598.221154][ T9674] CPU: 1 UID: 0 PID: 9674 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 598.221175][ T9674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 598.221187][ T9674] Call Trace: [ 598.221196][ T9674] [ 598.221204][ T9674] dump_stack_lvl+0x189/0x250 [ 598.221227][ T9674] ? __pfx____ratelimit+0x10/0x10 [ 598.221249][ T9674] ? __pfx_dump_stack_lvl+0x10/0x10 [ 598.221267][ T9674] ? __pfx__printk+0x10/0x10 [ 598.221295][ T9674] ? __pfx___might_resched+0x10/0x10 [ 598.221315][ T9674] ? fs_reclaim_acquire+0x7d/0x100 [ 598.221342][ T9674] should_fail_ex+0x414/0x560 [ 598.221367][ T9674] should_failslab+0xa8/0x100 [ 598.221394][ T9674] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 598.221417][ T9674] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 598.221439][ T9674] ? __init_waitqueue_head+0xa9/0x150 [ 598.221462][ T9674] sbitmap_queue_init_node+0x1dc/0x4d0 [ 598.221488][ T9674] blk_mq_init_tags+0x1b9/0x2f0 [ 598.221515][ T9674] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 598.221532][ T9674] ? blk_mq_map_queues+0x3ff/0x4a0 [ 598.221548][ T9674] ? kfree+0x19a/0x6d0 [ 598.221574][ T9674] ? blk_mq_map_queues+0x3ff/0x4a0 [ 598.221595][ T9674] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 598.221628][ T9674] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 598.221660][ T9674] nbd_dev_add+0x2d7/0xae0 [ 598.221685][ T9674] ? __pfx_nbd_dev_add+0x10/0x10 [ 598.221733][ T9674] nbd_genl_connect+0x919/0x18f0 [ 598.221760][ T9674] ? __pfx_nbd_genl_connect+0x10/0x10 [ 598.221784][ T9674] ? rcu_is_watching+0x15/0xb0 [ 598.221810][ T9674] ? __nla_parse+0x40/0x60 [ 598.221835][ T9674] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 598.221868][ T9674] genl_family_rcv_msg_doit+0x215/0x300 [ 598.221899][ T9674] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 598.221936][ T9674] ? stack_trace_save+0x9c/0xe0 [ 598.221966][ T9674] genl_rcv_msg+0x60e/0x790 [ 598.221996][ T9674] ? __pfx_genl_rcv_msg+0x10/0x10 [ 598.222018][ T9674] ? __pfx_nbd_genl_connect+0x10/0x10 [ 598.222050][ T9674] netlink_rcv_skb+0x208/0x470 [ 598.222068][ T9674] ? __lock_acquire+0xab9/0xd20 [ 598.222089][ T9674] ? __pfx_genl_rcv_msg+0x10/0x10 [ 598.222113][ T9674] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 598.222151][ T9674] ? down_read+0x1ad/0x2e0 [ 598.222177][ T9674] genl_rcv+0x28/0x40 [ 598.222198][ T9674] netlink_unicast+0x82f/0x9e0 [ 598.222225][ T9674] ? __pfx_netlink_unicast+0x10/0x10 [ 598.222246][ T9674] ? netlink_sendmsg+0x642/0xb30 [ 598.222265][ T9674] ? skb_put+0x11b/0x210 [ 598.222290][ T9674] netlink_sendmsg+0x805/0xb30 [ 598.222318][ T9674] ? __pfx_netlink_sendmsg+0x10/0x10 [ 598.222343][ T9674] ? aa_sock_msg_perm+0xf1/0x1d0 [ 598.222363][ T9674] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 598.222386][ T9674] ? __pfx_netlink_sendmsg+0x10/0x10 [ 598.222406][ T9674] __sock_sendmsg+0x21c/0x270 [ 598.222428][ T9674] ____sys_sendmsg+0x505/0x830 [ 598.222456][ T9674] ? __pfx_____sys_sendmsg+0x10/0x10 [ 598.222486][ T9674] ? import_iovec+0x74/0xa0 [ 598.222507][ T9674] ___sys_sendmsg+0x21f/0x2a0 [ 598.222531][ T9674] ? __pfx____sys_sendmsg+0x10/0x10 [ 598.222559][ T9674] ? rcu_read_lock_any_held+0xb3/0x120 [ 598.222593][ T9674] ? sb_end_write+0xe9/0x1c0 [ 598.222626][ T9674] ? __pfx_vfs_write+0x10/0x10 [ 598.222660][ T9674] __x64_sys_sendmsg+0x19b/0x260 [ 598.222684][ T9674] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 598.222714][ T9674] ? __pfx_ksys_write+0x10/0x10 [ 598.222735][ T9674] ? do_syscall_64+0xbe/0xfa0 [ 598.222759][ T9674] do_syscall_64+0xfa/0xfa0 [ 598.222779][ T9674] ? lockdep_hardirqs_on+0x9c/0x150 [ 598.222798][ T9674] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 598.222815][ T9674] ? clear_bhb_loop+0x60/0xb0 [ 598.222833][ T9674] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 598.222843][ T9674] RIP: 0033:0x7f497562bba9 [ 598.222853][ T9674] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 598.222866][ T9674] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 598.222883][ T9674] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 598.222897][ T9674] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 598.222909][ T9674] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 598.222921][ T9674] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 598.222933][ T9674] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 598.222969][ T9674] [ 598.223212][ T9674] blk-mq: reduced tag depth (128 -> 64) [ 598.232827][ T6550] Dev nbd1041: unable to read RDB block 0 [ 598.240977][ T6580] ldm_validate_partition_table(): Disk read failed. [ 598.252962][ T6569] ldm_validate_partition_table(): Disk read failed. [ 598.255323][ T6856] block nbd1030: shutting down sockets [ 598.272761][ T6569] Dev nbd1038: unable to read RDB block 0 [ 598.279808][ T9145] block nbd1031: shutting down sockets [ 598.287566][ T6588] Dev nbd1042: unable to read RDB block 0 [ 598.294376][ T6595] ldm_validate_partition_table(): Disk read failed. [ 598.300242][ T6588] nbd1042: unable to read partition table [ 598.308147][ T6233] Dev nbd1039: unable to read RDB block 0 [ 598.314026][ T6595] Dev nbd1030: unable to read RDB block 0 [ 598.321277][ T6580] Dev nbd1043: unable to read RDB block 0 [ 598.323795][ T6608] ldm_validate_partition_table(): Disk read failed. [ 598.333881][ T6244] ldm_validate_partition_table(): Disk read failed. [ 598.341179][ T6550] nbd1041: unable to read partition table [ 598.345992][ T6580] nbd1043: unable to read partition table [ 598.353106][ T6569] nbd1038: unable to read partition table [ 598.355667][ T6244] Dev nbd1040: unable to read RDB block 0 [ 598.361033][ T6233] nbd1039: unable to read partition table [ 598.373945][ T6244] nbd1040: unable to read partition table [ 598.386972][ T6595] nbd1030: unable to read partition table [ 598.395326][ T6580] ldm_validate_partition_table(): Disk read failed. [ 598.400913][ T6608] Dev nbd1031: unable to read RDB block 0 [ 598.411261][ T6580] Dev nbd1043: unable to read RDB block 0 [ 598.436967][ T6608] nbd1031: unable to read partition table [ 598.452086][ T6550] ldm_validate_partition_table(): Disk read failed. [ 598.477628][ T6244] block nbd1044: shutting down sockets [ 598.492240][ T6580] nbd1043: unable to read partition table [ 598.509864][ T6244] ldm_validate_partition_table(): Disk read failed. [ 598.517734][ T6588] ldm_validate_partition_table(): Disk read failed. [ 598.530076][ T6233] ldm_validate_partition_table(): Disk read failed. [ 598.535248][ T6569] block nbd1045: shutting down sockets [ 598.540484][ T6233] Dev nbd1039: unable to read RDB block 0 [ 598.559539][ T6588] Dev nbd1042: unable to read RDB block 0 [ 598.571164][ T6595] ldm_validate_partition_table(): Disk read failed. [ 598.589424][ T6569] ldm_validate_partition_table(): Disk read failed. [ 598.595023][ T6244] Dev nbd1044: unable to read RDB block 0 [ 598.598036][ T6550] Dev nbd1041: unable to read RDB block 0 [ 598.621159][ T6233] nbd1039: unable to read partition table [ 598.630598][ T6569] Dev nbd1045: unable to read RDB block 0 [ 598.635042][ T6595] Dev nbd1030: unable to read RDB block 0 [ 598.642762][ T6608] ldm_validate_partition_table(): Disk read failed. [ 598.654843][ T6244] nbd1044: unable to read partition table [ 598.660762][ T6588] nbd1042: unable to read partition table [ 598.678898][ T6595] nbd1030: unable to read partition table [ 598.692915][ T6569] nbd1045: unable to read partition table [ 598.733332][ T6233] block nbd1046: shutting down sockets [ 598.744619][ T6608] Dev nbd1031: unable to read RDB block 0 [ 598.756432][ T6244] ldm_validate_partition_table(): Disk read failed. [ 598.763361][ T6550] nbd1041: unable to read partition table [ 598.808993][ T6233] ldm_validate_partition_table(): Disk read failed. [ 598.830644][ T6580] ldm_validate_partition_table(): Disk read failed. [ 598.832821][ T6580] Dev nbd1043: unable to read RDB block 0 [ 598.845272][ T6244] Dev nbd1044: unable to read RDB block 0 [ 598.855287][ T6588] ldm_validate_partition_table(): Disk read failed. [ 598.856970][ T95] block nbd1033: shutting down sockets [ 598.864873][ T6608] nbd1031: unable to read partition table [ 598.871780][ T6244] nbd1044: unable to read partition table [ 598.886956][ T6595] block nbd1047: shutting down sockets [ 598.897397][ T6617] ldm_validate_partition_table(): Disk read failed. [ 598.903062][ T6588] Dev nbd1042: unable to read RDB block 0 [ 598.932884][ T6617] Dev nbd1033: unable to read RDB block 0 [ 598.936170][ T9145] block nbd1032: shutting down sockets [ 598.968283][ T6233] Dev nbd1046: unable to read RDB block 0 [ 598.976679][ T6580] nbd1043: unable to read partition table [ 598.980384][ T6569] ldm_validate_partition_table(): Disk read failed. [ 598.987959][ T6613] ldm_validate_partition_table(): Disk read failed. [ 599.002276][ T6595] ldm_validate_partition_table(): Disk read failed. [ 599.009610][ T6613] Dev nbd1032: unable to read RDB block 0 [ 599.028154][ T6608] block nbd1048: shutting down sockets [ 599.035216][ T6588] nbd1042: unable to read partition table [ 599.042756][ T6580] ldm_validate_partition_table(): Disk read failed. [ 599.049198][ T6613] nbd1032: unable to read partition table [ 599.064686][ T6588] ldm_validate_partition_table(): Disk read failed. [ 599.082700][ T6617] nbd1033: unable to read partition table [ 599.096953][ T6595] Dev nbd1047: unable to read RDB block 0 [ 599.104876][ T6233] nbd1046: unable to read partition table [ 599.117981][ T6550] block nbd1049: shutting down sockets [ 599.124173][ T6244] ldm_validate_partition_table(): Disk read failed. [ 599.144075][ T6569] Dev nbd1045: unable to read RDB block 0 [ 599.153174][ T6613] ldm_validate_partition_table(): Disk read failed. [ 599.156355][ T6580] Dev nbd1043: unable to read RDB block 0 [ 599.164451][ T6613] Dev nbd1032: unable to read RDB block 0 [ 599.170278][ T6608] ldm_validate_partition_table(): Disk read failed. [ 599.177348][ T6233] ldm_validate_partition_table(): Disk read failed. [ 599.190066][ T6595] nbd1047: unable to read partition table [ 599.204158][ T6613] nbd1032: unable to read partition table [ 599.212129][ T6617] ldm_validate_partition_table(): Disk read failed. [ 599.214085][ T6244] Dev nbd1044: unable to read RDB block 0 [ 599.222570][ T6550] ldm_validate_partition_table(): Disk read failed. [ 599.226339][ T6233] Dev nbd1046: unable to read RDB block 0 [ 599.233486][ T6588] Dev nbd1042: unable to read RDB block 0 [ 599.245468][ T6569] nbd1045: unable to read partition table [ 599.250375][ T6244] nbd1044: unable to read partition table [ 599.254302][ T6580] nbd1043: unable to read partition table [ 599.263023][ T6233] nbd1046: unable to read partition table [ 599.263164][ T9674] nbd1107: detected capacity change from 0 to 127 [ 599.272535][ T6613] block nbd1050: shutting down sockets [ 599.277134][ T6608] Dev nbd1048: unable to read RDB block 0 [ 599.292182][ T6617] Dev nbd1033: unable to read RDB block 0 [ 599.298030][ T6595] ldm_validate_partition_table(): Disk read failed. [ 599.299762][ T6595] Dev nbd1047: unable to read RDB block 0 [ 599.317849][ T6279] block nbd1107: Receive control failed (result -32) [ 599.319867][ T6244] ldm_validate_partition_table(): Disk read failed. [ 599.334607][ T6588] nbd1042: unable to read partition table executing program [ 599.342593][ T6550] Dev nbd1049: unable to read RDB block 0 [ 599.345999][ T52] block nbd1107: Receive control failed (result -32) [ 599.370238][ T6617] nbd1033: unable to read partition table [ 599.371025][ T6233] ldm_validate_partition_table(): Disk read failed. [ 599.379861][ T6613] ldm_validate_partition_table(): Disk read failed. [ 599.384718][ T6595] nbd1047: unable to read partition table [ 599.392802][ T9676] blk-mq: reduced tag depth (128 -> 64) [ 599.403889][ T6608] nbd1048: unable to read partition table [ 599.413111][ T6550] nbd1049: unable to read partition table [ 599.416236][ T6569] ldm_validate_partition_table(): Disk read failed. [ 599.427979][ T6233] Dev nbd1046: unable to read RDB block 0 [ 599.435892][ T6613] Dev nbd1050: unable to read RDB block 0 [ 599.447328][ T6233] nbd1046: unable to read partition table [ 599.450360][ T6580] ldm_validate_partition_table(): Disk read failed. [ 599.461778][ T6244] Dev nbd1044: unable to read RDB block 0 [ 599.471514][ T6608] ldm_validate_partition_table(): Disk read failed. [ 599.479512][ T9145] block nbd1034: shutting down sockets [ 599.488170][ T95] block nbd1035: shutting down sockets [ 599.490014][ T6588] ldm_validate_partition_table(): Disk read failed. [ 599.500508][ T6569] Dev nbd1045: unable to read RDB block 0 [ 599.502619][ T6569] nbd1045: unable to read partition table [ 599.510006][ T6613] nbd1050: unable to read partition table [ 599.521262][ T6584] ldm_validate_partition_table(): Disk read failed. [ 599.530920][ T6575] ldm_validate_partition_table(): Disk read failed. [ 599.544379][ T6595] ldm_validate_partition_table(): Disk read failed. [ 599.545088][ T6569] ldm_validate_partition_table(): Disk read failed. [ 599.557722][ T6608] Dev nbd1048: unable to read RDB block 0 [ 599.567525][ T6550] ldm_validate_partition_table(): Disk read failed. [ 599.575219][ T6244] nbd1044: unable to read partition table [ 599.576513][ T6569] Dev nbd1045: unable to read RDB block 0 [ 599.590231][ T6580] Dev nbd1043: unable to read RDB block 0 [ 599.592211][ T6569] nbd1045: unable to read partition table [ 599.615668][ T6233] ldm_validate_partition_table(): Disk read failed. [ 599.623908][ T6617] block nbd1051: shutting down sockets [ 599.629680][ T6584] Dev nbd1035: unable to read RDB block 0 [ 599.639233][ T6584] nbd1035: unable to read partition table [ 599.648839][ T6575] Dev nbd1034: unable to read RDB block 0 [ 599.649249][ T6608] nbd1048: unable to read partition table [ 599.656514][ T6575] nbd1034: unable to read partition table [ 599.661012][ T6550] Dev nbd1049: unable to read RDB block 0 [ 599.672398][ T6569] ldm_validate_partition_table(): Disk read failed. [ 599.673944][ T6595] Dev nbd1047: unable to read RDB block 0 [ 599.683235][ T6613] ldm_validate_partition_table(): Disk read failed. [ 599.685113][ T6580] nbd1043: unable to read partition table [ 599.692041][ T6588] Dev nbd1042: unable to read RDB block 0 [ 599.705953][ T6233] Dev nbd1046: unable to read RDB block 0 [ 599.709052][ T6584] ldm_validate_partition_table(): Disk read failed. [ 599.712845][ T6617] ldm_validate_partition_table(): Disk read failed. [ 599.720504][ T6569] Dev nbd1045: unable to read RDB block 0 [ 599.730896][ T6595] nbd1047: unable to read partition table [ 599.749734][ T6550] nbd1049: unable to read partition table [ 599.755694][ T6613] Dev nbd1050: unable to read RDB block 0 [ 599.757330][ T6244] ldm_validate_partition_table(): Disk read failed. [ 599.775038][ T6588] nbd1042: unable to read partition table [ 599.775646][ T6233] nbd1046: unable to read partition table [ 599.784601][ T6584] Dev nbd1035: unable to read RDB block 0 [ 599.791898][ T6617] Dev nbd1051: unable to read RDB block 0 [ 599.801724][ T6595] ldm_validate_partition_table(): Disk read failed. [ 599.802667][ T6613] nbd1050: unable to read partition table [ 599.829904][ T6569] nbd1045: unable to read partition table [ 599.833267][ T6608] ldm_validate_partition_table(): Disk read failed. [ 599.840193][ T6575] ldm_validate_partition_table(): Disk read failed. [ 599.848925][ T6244] Dev nbd1044: unable to read RDB block 0 [ 599.851634][ T6617] nbd1051: unable to read partition table [ 599.864280][ T6244] nbd1044: unable to read partition table [ 599.871596][ T6588] ldm_validate_partition_table(): Disk read failed. [ 599.876507][ T6595] Dev nbd1047: unable to read RDB block 0 [ 599.887389][ T6584] nbd1035: unable to read partition table [ 599.892405][ T6233] ldm_validate_partition_table(): Disk read failed. [ 599.901957][ T6580] ldm_validate_partition_table(): Disk read failed. [ 599.904170][ T6550] ldm_validate_partition_table(): Disk read failed. [ 599.921716][ T6575] Dev nbd1034: unable to read RDB block 0 [ 599.927191][ T6569] ldm_validate_partition_table(): Disk read failed. [ 599.931321][ T6608] Dev nbd1048: unable to read RDB block 0 [ 599.943472][ T6244] ldm_validate_partition_table(): Disk read failed. [ 599.957048][ T6617] ldm_validate_partition_table(): Disk read failed. [ 599.959903][ T6588] Dev nbd1042: unable to read RDB block 0 [ 599.965730][ T6595] nbd1047: unable to read partition table [ 599.977207][ T6233] Dev nbd1046: unable to read RDB block 0 [ 599.980597][ T6580] Dev nbd1043: unable to read RDB block 0 [ 599.985724][ T6575] nbd1034: unable to read partition table [ 599.995000][ T6613] ldm_validate_partition_table(): Disk read failed. [ 599.996505][ T6550] Dev nbd1049: unable to read RDB block 0 [ 600.005089][ T6569] Dev nbd1045: unable to read RDB block 0 [ 600.009299][ T6244] Dev nbd1044: unable to read RDB block 0 [ 600.021362][ T6608] nbd1048: unable to read partition table [ 600.032177][ T6584] block nbd1052: shutting down sockets [ 600.033434][ T6233] nbd1046: unable to read partition table [ 600.039754][ T6588] nbd1042: unable to read partition table [ 600.045559][ T6617] Dev nbd1051: unable to read RDB block 0 [ 600.051443][ T6580] nbd1043: unable to read partition table [ 600.059817][ T6550] nbd1049: unable to read partition table [ 600.062837][ T6613] Dev nbd1050: unable to read RDB block 0 [ 600.083614][ T6584] ldm_validate_partition_table(): Disk read failed. [ 600.093315][ T6569] nbd1045: unable to read partition table [ 600.093736][ T6244] nbd1044: unable to read partition table [ 600.100396][ T9676] nbd1108: detected capacity change from 0 to 127 [ 600.122657][ T6608] ldm_validate_partition_table(): Disk read failed. [ 600.132640][ T6617] nbd1051: unable to read partition table [ 600.146250][ T6550] ldm_validate_partition_table(): Disk read failed. [ 600.146788][ T6244] block nbd1053: shutting down sockets [ 600.157628][ T6595] ldm_validate_partition_table(): Disk read failed. [ 600.162303][ T6613] nbd1050: unable to read partition table [ 600.173027][ T6580] block nbd1054: shutting down sockets [ 600.174465][ T6233] ldm_validate_partition_table(): Disk read failed. [ 600.181800][ T6584] Dev nbd1052: unable to read RDB block 0 [ 600.194993][ T6244] ldm_validate_partition_table(): Disk read failed. [ 600.200404][ T6588] block nbd1055: shutting down sockets executing program [ 600.210178][ T6279] block nbd1108: Receive control failed (result -32) [ 600.211417][ T6575] block nbd1056: shutting down sockets [ 600.219256][ T52] block nbd1108: Receive control failed (result -32) [ 600.239733][ T6608] Dev nbd1048: unable to read RDB block 0 [ 600.250279][ T6580] ldm_validate_partition_table(): Disk read failed. [ 600.252844][ T6588] ldm_validate_partition_table(): Disk read failed. [ 600.265081][ T6595] Dev nbd1047: unable to read RDB block 0 [ 600.271983][ T6584] nbd1052: unable to read partition table [ 600.274512][ T6575] ldm_validate_partition_table(): Disk read failed. [ 600.280783][ T9678] blk-mq: reduced tag depth (128 -> 64) [ 600.287085][ T6233] Dev nbd1046: unable to read RDB block 0 [ 600.294436][ T6613] ldm_validate_partition_table(): Disk read failed. [ 600.299862][ T6550] Dev nbd1049: unable to read RDB block 0 [ 600.304394][ T6244] Dev nbd1053: unable to read RDB block 0 [ 600.310577][ T6233] nbd1046: unable to read partition table [ 600.319609][ T6580] Dev nbd1054: unable to read RDB block 0 [ 600.322411][ T6617] block nbd1057: shutting down sockets [ 600.334164][ T6608] nbd1048: unable to read partition table [ 600.335677][ T6595] nbd1047: unable to read partition table [ 600.344141][ T6580] nbd1054: unable to read partition table [ 600.348307][ T6588] Dev nbd1055: unable to read RDB block 0 [ 600.356068][ T6584] ldm_validate_partition_table(): Disk read failed. [ 600.361633][ T6575] Dev nbd1056: unable to read RDB block 0 [ 600.366583][ T6569] ldm_validate_partition_table(): Disk read failed. [ 600.372509][ T6550] nbd1049: unable to read partition table [ 600.378482][ T6613] Dev nbd1050: unable to read RDB block 0 [ 600.386353][ T6617] ldm_validate_partition_table(): Disk read failed. [ 600.401597][ T6244] nbd1053: unable to read partition table [ 600.409677][ T6617] Dev nbd1057: unable to read RDB block 0 [ 600.417273][ T6617] nbd1057: unable to read partition table [ 600.425795][ T6588] nbd1055: unable to read partition table [ 600.426777][ T6584] Dev nbd1052: unable to read RDB block 0 [ 600.435660][ T6575] nbd1056: unable to read partition table [ 600.450237][ T6569] Dev nbd1051: unable to read RDB block 0 [ 600.462212][ T6580] ldm_validate_partition_table(): Disk read failed. [ 600.466829][ T6595] ldm_validate_partition_table(): Disk read failed. [ 600.472576][ T6613] nbd1050: unable to read partition table [ 600.486403][ T6244] ldm_validate_partition_table(): Disk read failed. [ 600.497434][ T6233] ldm_validate_partition_table(): Disk read failed. [ 600.499721][ T6569] nbd1051: unable to read partition table [ 600.513082][ T6608] block nbd1058: shutting down sockets [ 600.516843][ T6550] ldm_validate_partition_table(): Disk read failed. [ 600.520738][ T6580] Dev nbd1054: unable to read RDB block 0 [ 600.536662][ T6588] ldm_validate_partition_table(): Disk read failed. [ 600.541481][ T6608] ldm_validate_partition_table(): Disk read failed. [ 600.545130][ T6595] Dev nbd1047: unable to read RDB block 0 [ 600.551933][ T6584] nbd1052: unable to read partition table [ 600.558182][ T6244] Dev nbd1053: unable to read RDB block 0 [ 600.573122][ T6233] Dev nbd1048: unable to read RDB block 0 [ 600.574166][ T6580] nbd1054: unable to read partition table [ 600.581394][ T6617] ldm_validate_partition_table(): Disk read failed. [ 600.596421][ T6550] Dev nbd1049: unable to read RDB block 0 [ 600.605906][ T6569] ldm_validate_partition_table(): Disk read failed. [ 600.607009][ T6244] nbd1053: unable to read partition table [ 600.614742][ T6608] Dev nbd1058: unable to read RDB block 0 [ 600.622764][ T6575] ldm_validate_partition_table(): Disk read failed. [ 600.631320][ T6613] ldm_validate_partition_table(): Disk read failed. [ 600.633082][ T6613] Dev nbd1050: unable to read RDB block 0 [ 600.640493][ T6588] Dev nbd1055: unable to read RDB block 0 [ 600.651539][ T6233] nbd1048: unable to read partition table [ 600.659771][ T6550] nbd1049: unable to read partition table [ 600.660738][ T6608] nbd1058: unable to read partition table [ 600.669668][ T6595] nbd1047: unable to read partition table [ 600.679356][ T6617] Dev nbd1057: unable to read RDB block 0 [ 600.684990][ T6569] Dev nbd1051: unable to read RDB block 0 [ 600.686951][ T6617] nbd1057: unable to read partition table [ 600.704031][ T6613] nbd1050: unable to read partition table [ 600.713197][ T6233] ldm_validate_partition_table(): Disk read failed. [ 600.722560][ T6588] nbd1055: unable to read partition table [ 600.726394][ T6569] nbd1051: unable to read partition table [ 600.740017][ T6584] ldm_validate_partition_table(): Disk read failed. [ 600.740327][ T6550] ldm_validate_partition_table(): Disk read failed. [ 600.752740][ T6580] ldm_validate_partition_table(): Disk read failed. [ 600.764379][ T6608] ldm_validate_partition_table(): Disk read failed. [ 600.764597][ T6575] Dev nbd1056: unable to read RDB block 0 [ 600.781540][ T6584] Dev nbd1052: unable to read RDB block 0 [ 600.791234][ T6233] Dev nbd1048: unable to read RDB block 0 [ 600.800810][ T6613] ldm_validate_partition_table(): Disk read failed. [ 600.803077][ T6244] ldm_validate_partition_table(): Disk read failed. [ 600.809874][ T6580] Dev nbd1054: unable to read RDB block 0 [ 600.816202][ T6595] block nbd1059: shutting down sockets [ 600.832859][ T6608] Dev nbd1058: unable to read RDB block 0 [ 600.833972][ T6575] nbd1056: unable to read partition table [ 600.846981][ T6550] Dev nbd1049: unable to read RDB block 0 [ 600.847559][ T6584] nbd1052: unable to read partition table [ 600.854002][ T6233] nbd1048: unable to read partition table [ 600.865869][ T6613] Dev nbd1050: unable to read RDB block 0 [ 600.874037][ T6595] ldm_validate_partition_table(): Disk read failed. [ 600.876502][ T6569] ldm_validate_partition_table(): Disk read failed. [ 600.881688][ T6588] ldm_validate_partition_table(): Disk read failed. [ 600.894034][ T6608] nbd1058: unable to read partition table [ 600.896280][ T6550] nbd1049: unable to read partition table [ 600.904486][ T6617] ldm_validate_partition_table(): Disk read failed. [ 600.909602][ T6244] Dev nbd1051: unable to read RDB block 0 [ 600.915215][ T6613] nbd1050: unable to read partition table [ 600.929888][ T6580] nbd1054: unable to read partition table [ 600.948914][ T6595] Dev nbd1059: unable to read RDB block 0 [ 600.956324][ T6595] nbd1059: unable to read partition table [ 600.968416][ T6569] Dev nbd1053: unable to read RDB block 0 [ 600.969708][ T6244] nbd1051: unable to read partition table [ 600.983042][ T6617] Dev nbd1057: unable to read RDB block 0 [ 600.984177][ T6588] Dev nbd1055: unable to read RDB block 0 [ 600.993631][ T6580] ldm_validate_partition_table(): Disk read failed. [ 601.010678][ T6575] ldm_validate_partition_table(): Disk read failed. [ 601.021373][ T6233] ldm_validate_partition_table(): Disk read failed. [ 601.029785][ T6569] nbd1053: unable to read partition table [ 601.029998][ T6575] Dev nbd1056: unable to read RDB block 0 [ 601.037348][ T6608] block nbd1060: shutting down sockets [ 601.044191][ T6588] nbd1055: unable to read partition table [ 601.050816][ T6584] ldm_validate_partition_table(): Disk read failed. [ 601.062502][ T6617] nbd1057: unable to read partition table [ 601.067548][ T6595] ldm_validate_partition_table(): Disk read failed. [ 601.075222][ T6580] Dev nbd1054: unable to read RDB block 0 [ 601.092910][ T6550] block nbd1061: shutting down sockets [ 601.100776][ T6584] Dev nbd1052: unable to read RDB block 0 [ 601.103721][ T6244] ldm_validate_partition_table(): Disk read failed. [ 601.112123][ T6608] ldm_validate_partition_table(): Disk read failed. [ 601.114951][ T6233] Dev nbd1058: unable to read RDB block 0 [ 601.121492][ T6569] ldm_validate_partition_table(): Disk read failed. [ 601.130758][ T6595] Dev nbd1059: unable to read RDB block 0 [ 601.136627][ T6617] ldm_validate_partition_table(): Disk read failed. [ 601.143908][ T6550] ldm_validate_partition_table(): Disk read failed. [ 601.146567][ T6584] nbd1052: unable to read partition table [ 601.155626][ T6588] ldm_validate_partition_table(): Disk read failed. [ 601.166545][ T6233] nbd1058: unable to read partition table [ 601.169426][ T6580] nbd1054: unable to read partition table [ 601.179123][ T6613] block nbd1062: shutting down sockets [ 601.180691][ T6244] Dev nbd1051: unable to read RDB block 0 [ 601.191677][ T6575] nbd1056: unable to read partition table [ 601.196140][ T6595] nbd1059: unable to read partition table [ 601.201622][ T6608] Dev nbd1060: unable to read RDB block 0 [ 601.213842][ T6617] Dev nbd1057: unable to read RDB block 0 [ 601.214887][ T6550] Dev nbd1061: unable to read RDB block 0 [ 601.221582][ T6569] Dev nbd1053: unable to read RDB block 0 [ 601.229458][ T6588] Dev nbd1055: unable to read RDB block 0 [ 601.239828][ T6613] ldm_validate_partition_table(): Disk read failed. [ 601.259473][ T6244] nbd1051: unable to read partition table [ 601.260805][ T6575] ldm_validate_partition_table(): Disk read failed. [ 601.269902][ T6550] nbd1061: unable to read partition table [ 601.281541][ T6233] ldm_validate_partition_table(): Disk read failed. [ 601.284098][ T6569] nbd1053: unable to read partition table [ 601.289992][ T6613] Dev nbd1062: unable to read RDB block 0 [ 601.297737][ T6580] ldm_validate_partition_table(): Disk read failed. [ 601.302578][ T6608] nbd1060: unable to read partition table [ 601.308294][ T6575] Dev nbd1056: unable to read RDB block 0 [ 601.314138][ T6617] nbd1057: unable to read partition table [ 601.329108][ T6580] Dev nbd1054: unable to read RDB block 0 [ 601.335003][ T6550] ldm_validate_partition_table(): Disk read failed. [ 601.336720][ T6580] nbd1054: unable to read partition table [ 601.343161][ T6584] blk_print_req_error: 11216 callbacks suppressed [ 601.343178][ T6584] I/O error, dev nbd1052, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.355401][ T6617] I/O error, dev nbd1057, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.364456][ T6588] I/O error, dev nbd1055, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.374936][ T6595] I/O error, dev nbd1059, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.383468][ T6233] I/O error, dev nbd1058, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.392927][ T6244] I/O error, dev nbd1051, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.402314][ T6613] I/O error, dev nbd1062, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.414279][ T6575] I/O error, dev nbd1056, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.423093][ T6550] I/O error, dev nbd1061, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.441239][ T6608] I/O error, dev nbd1060, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 601.445236][ T6569] buffer_io_error: 11216 callbacks suppressed [ 601.445252][ T6569] Buffer I/O error on dev nbd1053, logical block 0, async page read [ 601.454034][ T6588] Buffer I/O error on dev nbd1055, logical block 2, async page read [ 601.473306][ T9678] nbd1109: detected capacity change from 0 to 127 [ 601.473658][ T6584] Buffer I/O error on dev nbd1052, logical block 0, async page read [ 601.488355][ T6575] Buffer I/O error on dev nbd1056, logical block 0, async page read [ 601.488544][ T6575] Buffer I/O error on dev nbd1056, logical block 1, async page read [ 601.488703][ T6575] Buffer I/O error on dev nbd1056, logical block 2, async page read [ 601.488833][ T6575] Buffer I/O error on dev nbd1056, logical block 3, async page read [ 601.489119][ T6575] Buffer I/O error on dev nbd1056, logical block 12, async page read [ 601.502082][ T6608] Buffer I/O error on dev nbd1060, logical block 0, async page read [ 601.506299][ T6595] Buffer I/O error on dev nbd1059, logical block 0, async page read [ 601.515647][ T6233] Dev nbd1058: unable to read RDB block 0 [ 601.545837][ T6569] ldm_validate_partition_table(): Disk read failed. [ 601.557489][ T6613] nbd1062: unable to read partition table [ 601.563601][ T6580] ldm_validate_partition_table(): Disk read failed. executing program [ 601.566179][ T6550] Dev nbd1061: unable to read RDB block 0 [ 601.576623][ T6279] block nbd1109: Receive control failed (result -32) [ 601.577907][ T52] block nbd1109: Receive control failed (result -32) [ 601.596804][ T6550] nbd1061: unable to read partition table [ 601.598443][ T9680] FAULT_INJECTION: forcing a failure. [ 601.598443][ T9680] name failslab, interval 1, probability 0, space 0, times 0 [ 601.606485][ T6608] ldm_validate_partition_table(): Disk read failed. [ 601.620700][ T6580] Dev nbd1054: unable to read RDB block 0 [ 601.627160][ T6584] ldm_validate_partition_table(): Disk read failed. [ 601.636479][ T6595] ldm_validate_partition_table(): Disk read failed. [ 601.642829][ T6613] ldm_validate_partition_table(): Disk read failed. [ 601.646135][ T6575] nbd1056: unable to read partition table [ 601.651443][ T6588] nbd1055: unable to read partition table [ 601.658651][ T6569] Dev nbd1053: unable to read RDB block 0 [ 601.663507][ T6584] Dev nbd1052: unable to read RDB block 0 [ 601.671569][ T6580] nbd1054: unable to read partition table [ 601.681731][ T6595] Dev nbd1059: unable to read RDB block 0 [ 601.682375][ T6244] ldm_validate_partition_table(): Disk read failed. [ 601.687823][ T9680] CPU: 1 UID: 0 PID: 9680 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 601.687846][ T9680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 601.687857][ T9680] Call Trace: [ 601.687864][ T9680] [ 601.687873][ T9680] dump_stack_lvl+0x189/0x250 [ 601.687896][ T9680] ? __pfx____ratelimit+0x10/0x10 [ 601.687917][ T9680] ? __pfx_dump_stack_lvl+0x10/0x10 [ 601.687934][ T9680] ? __pfx__printk+0x10/0x10 [ 601.687962][ T9680] ? __pfx___might_resched+0x10/0x10 [ 601.687983][ T9680] ? fs_reclaim_acquire+0x7d/0x100 [ 601.688010][ T9680] should_fail_ex+0x414/0x560 [ 601.688035][ T9680] should_failslab+0xa8/0x100 [ 601.688060][ T9680] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 601.688084][ T9680] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 601.688106][ T9680] ? __init_waitqueue_head+0xa9/0x150 [ 601.688128][ T9680] sbitmap_queue_init_node+0x1dc/0x4d0 [ 601.688153][ T9680] blk_mq_init_tags+0x1b9/0x2f0 [ 601.688180][ T9680] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 601.688197][ T9680] ? blk_mq_map_queues+0x3ff/0x4a0 [ 601.688214][ T9680] ? kfree+0x19a/0x6d0 [ 601.688239][ T9680] ? blk_mq_map_queues+0x3ff/0x4a0 [ 601.688260][ T9680] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 601.688293][ T9680] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 601.688326][ T9680] nbd_dev_add+0x2d7/0xae0 [ 601.688349][ T9680] ? __pfx_nbd_dev_add+0x10/0x10 [ 601.688396][ T9680] ? kasan_check_range+0x9f/0x2c0 [ 601.688430][ T9680] nbd_genl_connect+0x919/0x18f0 [ 601.688457][ T9680] ? __pfx_nbd_genl_connect+0x10/0x10 [ 601.688481][ T9680] ? rcu_is_watching+0x15/0xb0 [ 601.688506][ T9680] ? __nla_parse+0x40/0x60 [ 601.688531][ T9680] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 601.688563][ T9680] genl_family_rcv_msg_doit+0x215/0x300 [ 601.688593][ T9680] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 601.688631][ T9680] ? stack_trace_save+0x9c/0xe0 [ 601.688653][ T9680] genl_rcv_msg+0x60e/0x790 [ 601.688683][ T9680] ? __pfx_genl_rcv_msg+0x10/0x10 [ 601.688706][ T9680] ? __pfx_nbd_genl_connect+0x10/0x10 [ 601.688737][ T9680] netlink_rcv_skb+0x208/0x470 [ 601.688755][ T9680] ? __lock_acquire+0xab9/0xd20 [ 601.688776][ T9680] ? __pfx_genl_rcv_msg+0x10/0x10 [ 601.688800][ T9680] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 601.688838][ T9680] ? down_read+0x1ad/0x2e0 [ 601.688864][ T9680] genl_rcv+0x28/0x40 [ 601.688885][ T9680] netlink_unicast+0x82f/0x9e0 [ 601.688912][ T9680] ? __pfx_netlink_unicast+0x10/0x10 [ 601.688933][ T9680] ? netlink_sendmsg+0x642/0xb30 [ 601.688951][ T9680] ? skb_put+0x11b/0x210 [ 601.688975][ T9680] netlink_sendmsg+0x805/0xb30 [ 601.689005][ T9680] ? __pfx_netlink_sendmsg+0x10/0x10 [ 601.689028][ T9680] ? aa_sock_msg_perm+0xf1/0x1d0 [ 601.689048][ T9680] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 601.689071][ T9680] ? __pfx_netlink_sendmsg+0x10/0x10 [ 601.689092][ T9680] __sock_sendmsg+0x21c/0x270 [ 601.689113][ T9680] ____sys_sendmsg+0x505/0x830 [ 601.689140][ T9680] ? __pfx_____sys_sendmsg+0x10/0x10 [ 601.689171][ T9680] ? import_iovec+0x74/0xa0 [ 601.689192][ T9680] ___sys_sendmsg+0x21f/0x2a0 [ 601.689215][ T9680] ? __pfx____sys_sendmsg+0x10/0x10 [ 601.689244][ T9680] ? rcu_read_lock_any_held+0xb3/0x120 [ 601.689279][ T9680] ? sb_end_write+0xe9/0x1c0 [ 601.689312][ T9680] ? __pfx_vfs_write+0x10/0x10 [ 601.689344][ T9680] __x64_sys_sendmsg+0x19b/0x260 [ 601.689369][ T9680] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 601.689407][ T9680] ? __pfx_ksys_write+0x10/0x10 [ 601.689427][ T9680] ? do_syscall_64+0xbe/0xfa0 [ 601.689452][ T9680] do_syscall_64+0xfa/0xfa0 [ 601.689471][ T9680] ? lockdep_hardirqs_on+0x9c/0x150 [ 601.689492][ T9680] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 601.689509][ T9680] ? clear_bhb_loop+0x60/0xb0 [ 601.689529][ T9680] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 601.689549][ T9680] RIP: 0033:0x7f497562bba9 [ 601.689567][ T9680] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 601.689582][ T9680] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 601.689601][ T9680] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 601.689615][ T9680] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 601.689627][ T9680] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 601.689638][ T9680] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 601.689650][ T9680] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 601.689679][ T9680] [ 601.703683][ T6569] nbd1053: unable to read partition table [ 601.708741][ T6617] find_fallback: 29 callbacks suppressed [ 601.708762][ T6617] block nbd1063: Dead connection, failed to find a fallback [ 601.721654][ T6613] Dev nbd1062: unable to read RDB block 0 [ 601.739720][ T6584] nbd1052: unable to read partition table [ 601.741592][ T9680] blk-mq: reduced tag depth (128 -> 64) [ 601.748573][ T6608] Dev nbd1060: unable to read RDB block 0 [ 601.760082][ T6595] nbd1059: unable to read partition table [ 601.763969][ T6617] block nbd1063: shutting down sockets [ 601.791423][ T6595] ldm_validate_partition_table(): Disk read failed. [ 601.803646][ T6233] nbd1058: unable to read partition table [ 601.809971][ T6569] ldm_validate_partition_table(): Disk read failed. [ 601.817646][ T6608] nbd1060: unable to read partition table [ 601.823955][ T6613] nbd1062: unable to read partition table [ 601.829424][ T6244] Dev nbd1057: unable to read RDB block 0 [ 601.843547][ T6575] block nbd1064: Dead connection, failed to find a fallback [ 601.865335][ T6550] ldm_validate_partition_table(): Disk read failed. [ 601.872893][ T6580] ldm_validate_partition_table(): Disk read failed. [ 601.874898][ T6584] ldm_validate_partition_table(): Disk read failed. [ 601.881994][ T6580] Dev nbd1061: unable to read RDB block 0 [ 601.910056][ T6569] Dev nbd1053: unable to read RDB block 0 [ 601.910858][ T6575] block nbd1064: shutting down sockets [ 601.919891][ T6595] Dev nbd1059: unable to read RDB block 0 [ 601.924062][ T6575] ldm_validate_partition_table(): Disk read failed. [ 601.936874][ T6595] nbd1059: unable to read partition table [ 601.941268][ T6580] nbd1061: unable to read partition table [ 601.944245][ T6588] ldm_validate_partition_table(): Disk read failed. [ 601.954872][ T6575] Dev nbd1064: unable to read RDB block 0 [ 601.963888][ T6244] nbd1057: unable to read partition table [ 601.976989][ T6584] Dev nbd1052: unable to read RDB block 0 [ 601.994735][ T6569] nbd1053: unable to read partition table [ 602.004919][ T6580] ldm_validate_partition_table(): Disk read failed. [ 602.015283][ T6617] ldm_validate_partition_table(): Disk read failed. [ 602.017499][ T6550] Dev nbd1056: unable to read RDB block 0 [ 602.034005][ T6613] ldm_validate_partition_table(): Disk read failed. [ 602.045845][ T6575] nbd1064: unable to read partition table [ 602.052886][ T6233] ldm_validate_partition_table(): Disk read failed. [ 602.060378][ T6580] Dev nbd1061: unable to read RDB block 0 [ 602.069617][ T6617] Dev nbd1063: unable to read RDB block 0 [ 602.089910][ T6550] nbd1056: unable to read partition table [ 602.100137][ T6588] Dev nbd1055: unable to read RDB block 0 [ 602.124300][ T6580] nbd1061: unable to read partition table [ 602.137467][ T6584] nbd1052: unable to read partition table [ 602.145165][ T6608] ldm_validate_partition_table(): Disk read failed. [ 602.157351][ T6550] ldm_validate_partition_table(): Disk read failed. [ 602.169496][ T6569] block nbd1065: Dead connection, failed to find a fallback [ 602.181925][ T6595] ldm_validate_partition_table(): Disk read failed. [ 602.184544][ T6608] Dev nbd1060: unable to read RDB block 0 [ 602.193167][ T6575] ldm_validate_partition_table(): Disk read failed. [ 602.199375][ T6613] Dev nbd1062: unable to read RDB block 0 [ 602.209664][ T6233] Dev nbd1058: unable to read RDB block 0 [ 602.213744][ T6569] block nbd1065: shutting down sockets [ 602.224260][ T6244] ldm_validate_partition_table(): Disk read failed. [ 602.229684][ T6575] Dev nbd1064: unable to read RDB block 0 [ 602.236627][ T6595] Dev nbd1059: unable to read RDB block 0 [ 602.248672][ T6608] nbd1060: unable to read partition table [ 602.255295][ T6617] nbd1063: unable to read partition table [ 602.261449][ T6613] nbd1062: unable to read partition table [ 602.266659][ T6233] nbd1058: unable to read partition table [ 602.286727][ T6569] ldm_validate_partition_table(): Disk read failed. [ 602.300272][ T6550] Dev nbd1056: unable to read RDB block 0 [ 602.303477][ T6244] Dev nbd1057: unable to read RDB block 0 [ 602.311071][ T6584] block nbd1066: Dead connection, failed to find a fallback [ 602.323753][ T6575] nbd1064: unable to read partition table [ 602.340308][ T6588] nbd1055: unable to read partition table [ 602.351056][ T6580] ldm_validate_partition_table(): Disk read failed. [ 602.356518][ T6550] nbd1056: unable to read partition table [ 602.362044][ T6608] ldm_validate_partition_table(): Disk read failed. [ 602.363872][ T6584] block nbd1066: shutting down sockets [ 602.375549][ T6244] nbd1057: unable to read partition table [ 602.384271][ T6617] ldm_validate_partition_table(): Disk read failed. [ 602.391695][ T6580] Dev nbd1061: unable to read RDB block 0 [ 602.396620][ T6595] nbd1059: unable to read partition table [ 602.404199][ T6608] Dev nbd1060: unable to read RDB block 0 [ 602.419176][ T6617] Dev nbd1063: unable to read RDB block 0 [ 602.424723][ T6613] ldm_validate_partition_table(): Disk read failed. [ 602.443388][ T6617] nbd1063: unable to read partition table [ 602.450605][ T6569] Dev nbd1065: unable to read RDB block 0 [ 602.463814][ T6595] ldm_validate_partition_table(): Disk read failed. [ 602.472833][ T6584] ldm_validate_partition_table(): Disk read failed. [ 602.489815][ T6580] nbd1061: unable to read partition table [ 602.499945][ T6588] ldm_validate_partition_table(): Disk read failed. [ 602.526465][ T6613] Dev nbd1062: unable to read RDB block 0 [ 602.536371][ T6233] ldm_validate_partition_table(): Disk read failed. [ 602.556575][ T6244] ldm_validate_partition_table(): Disk read failed. [ 602.573541][ T6608] nbd1060: unable to read partition table [ 602.590387][ T6595] Dev nbd1059: unable to read RDB block 0 [ 602.600234][ T6575] block nbd1067: Dead connection, failed to find a fallback [ 602.609635][ T6550] block nbd1068: Dead connection, failed to find a fallback [ 602.617708][ T6569] nbd1065: unable to read partition table [ 602.635512][ T6584] Dev nbd1066: unable to read RDB block 0 [ 602.642841][ T6580] ldm_validate_partition_table(): Disk read failed. [ 602.645855][ T6233] Dev nbd1058: unable to read RDB block 0 [ 602.659709][ T6613] nbd1062: unable to read partition table [ 602.669487][ T6617] ldm_validate_partition_table(): Disk read failed. [ 602.673531][ T6575] block nbd1067: shutting down sockets [ 602.677094][ T6550] block nbd1068: shutting down sockets [ 602.691698][ T6584] nbd1066: unable to read partition table [ 602.699049][ T6588] Dev nbd1055: unable to read RDB block 0 [ 602.705399][ T6595] nbd1059: unable to read partition table [ 602.709797][ T9680] nbd1110: detected capacity change from 0 to 127 [ 602.716010][ T6244] Dev nbd1064: unable to read RDB block 0 [ 602.726026][ T6550] ldm_validate_partition_table(): Disk read failed. [ 602.731936][ T6617] Dev nbd1063: unable to read RDB block 0 [ 602.736338][ T6233] nbd1058: unable to read partition table [ 602.760358][ T6244] nbd1064: unable to read partition table [ 602.765180][ T6580] Dev nbd1061: unable to read RDB block 0 [ 602.784364][ T6617] nbd1063: unable to read partition table [ 602.790517][ T6588] nbd1055: unable to read partition table [ 602.813967][ T52] block nbd1110: Receive control failed (result -32) [ 602.823717][ T6575] ldm_validate_partition_table(): Disk read failed. [ 602.836760][ T6550] Dev nbd1068: unable to read RDB block 0 [ 602.844174][ T6279] block nbd1110: Receive control failed (result -32) [ 602.845378][ T6569] ldm_validate_partition_table(): Disk read failed. [ 602.862033][ T6608] ldm_validate_partition_table(): Disk read failed. [ 602.862032][ T6595] ldm_validate_partition_table(): Disk read failed. [ 602.863778][ T6595] Dev nbd1060: unable to read RDB block 0 [ 602.882837][ T6613] block nbd1069: Dead connection, failed to find a fallback [ 602.884197][ T6550] nbd1068: unable to read partition table [ 602.896548][ T6613] block nbd1069: shutting down sockets [ 602.900826][ T6584] ldm_validate_partition_table(): Disk read failed. [ 602.903940][ T6580] nbd1061: unable to read partition table [ 602.910387][ T6575] Dev nbd1067: unable to read RDB block 0 [ 602.923492][ T6608] Dev nbd1062: unable to read RDB block 0 [ 602.933394][ T6613] ldm_validate_partition_table(): Disk read failed. [ 602.944619][ T6617] ldm_validate_partition_table(): Disk read failed. [ 602.950648][ T6233] block nbd1071: Dead connection, failed to find a fallback [ 602.961163][ T6608] nbd1062: unable to read partition table [ 602.962735][ T6584] Dev nbd1066: unable to read RDB block 0 [ 602.972145][ T6575] nbd1067: unable to read partition table executing program [ 602.981713][ T6569] Dev nbd1065: unable to read RDB block 0 [ 602.985631][ T6550] ldm_validate_partition_table(): Disk read failed. [ 602.988986][ T6580] block nbd1070: Dead connection, failed to find a fallback [ 602.996245][ T6613] Dev nbd1069: unable to read RDB block 0 [ 603.009861][ T9682] blk-mq: reduced tag depth (128 -> 64) [ 603.015808][ T6233] block nbd1071: shutting down sockets [ 603.016036][ T6244] ldm_validate_partition_table(): Disk read failed. [ 603.023069][ T6588] block nbd1072: Dead connection, failed to find a fallback [ 603.037164][ T6569] nbd1065: unable to read partition table [ 603.037295][ T6617] Dev nbd1063: unable to read RDB block 0 [ 603.044919][ T6584] nbd1066: unable to read partition table [ 603.054696][ T6595] nbd1060: unable to read partition table [ 603.064700][ T6588] block nbd1072: shutting down sockets [ 603.072068][ T6575] ldm_validate_partition_table(): Disk read failed. [ 603.075852][ T6233] ldm_validate_partition_table(): Disk read failed. [ 603.084033][ T6608] ldm_validate_partition_table(): Disk read failed. [ 603.089020][ T6580] block nbd1070: shutting down sockets [ 603.093957][ T6613] nbd1069: unable to read partition table [ 603.105464][ T6244] Dev nbd1064: unable to read RDB block 0 [ 603.115247][ T6550] Dev nbd1068: unable to read RDB block 0 [ 603.124219][ T6588] ldm_validate_partition_table(): Disk read failed. [ 603.135618][ T6617] nbd1063: unable to read partition table [ 603.140943][ T6580] ldm_validate_partition_table(): Disk read failed. [ 603.149947][ T6233] Dev nbd1071: unable to read RDB block 0 [ 603.152140][ T6580] Dev nbd1070: unable to read RDB block 0 [ 603.157608][ T6233] nbd1071: unable to read partition table [ 603.163399][ T6580] nbd1070: unable to read partition table [ 603.177520][ T6575] Dev nbd1067: unable to read RDB block 0 [ 603.181889][ T6569] ldm_validate_partition_table(): Disk read failed. [ 603.196186][ T6584] ldm_validate_partition_table(): Disk read failed. [ 603.201728][ T6575] nbd1067: unable to read partition table [ 603.211896][ T6595] ldm_validate_partition_table(): Disk read failed. [ 603.220547][ T6608] Dev nbd1062: unable to read RDB block 0 [ 603.225849][ T6575] ldm_validate_partition_table(): Disk read failed. [ 603.234064][ T6550] nbd1068: unable to read partition table [ 603.236946][ T6575] Dev nbd1067: unable to read RDB block 0 [ 603.245711][ T6580] ldm_validate_partition_table(): Disk read failed. [ 603.247613][ T6244] nbd1064: unable to read partition table [ 603.259654][ T6595] Dev nbd1060: unable to read RDB block 0 [ 603.267129][ T6588] Dev nbd1072: unable to read RDB block 0 [ 603.271081][ T6613] ldm_validate_partition_table(): Disk read failed. [ 603.281127][ T6608] nbd1062: unable to read partition table [ 603.283358][ T6588] nbd1072: unable to read partition table [ 603.290015][ T6584] Dev nbd1066: unable to read RDB block 0 [ 603.295049][ T6575] nbd1067: unable to read partition table [ 603.301569][ T6569] Dev nbd1065: unable to read RDB block 0 [ 603.313721][ T6233] ldm_validate_partition_table(): Disk read failed. [ 603.319708][ T6580] Dev nbd1070: unable to read RDB block 0 [ 603.325508][ T6617] ldm_validate_partition_table(): Disk read failed. [ 603.336580][ T6595] nbd1060: unable to read partition table [ 603.346839][ T6575] ldm_validate_partition_table(): Disk read failed. [ 603.352820][ T6550] ldm_validate_partition_table(): Disk read failed. [ 603.361770][ T6580] nbd1070: unable to read partition table [ 603.369372][ T6584] nbd1066: unable to read partition table [ 603.372171][ T6233] Dev nbd1071: unable to read RDB block 0 [ 603.375803][ T6613] Dev nbd1069: unable to read RDB block 0 [ 603.392170][ T6569] nbd1065: unable to read partition table [ 603.401214][ T6617] Dev nbd1063: unable to read RDB block 0 [ 603.410130][ T6588] ldm_validate_partition_table(): Disk read failed. [ 603.422161][ T6244] ldm_validate_partition_table(): Disk read failed. [ 603.430921][ T6608] block nbd1073: shutting down sockets [ 603.432560][ T6575] Dev nbd1067: unable to read RDB block 0 [ 603.438744][ T6550] Dev nbd1068: unable to read RDB block 0 [ 603.445771][ T6233] nbd1071: unable to read partition table [ 603.450258][ T6613] nbd1069: unable to read partition table [ 603.464224][ T6617] nbd1063: unable to read partition table [ 603.464763][ T6608] ldm_validate_partition_table(): Disk read failed. [ 603.471411][ T6588] Dev nbd1072: unable to read RDB block 0 [ 603.489641][ T6244] Dev nbd1064: unable to read RDB block 0 [ 603.494742][ T6550] nbd1068: unable to read partition table [ 603.503667][ T6575] nbd1067: unable to read partition table [ 603.511714][ T6580] ldm_validate_partition_table(): Disk read failed. [ 603.513044][ T6584] ldm_validate_partition_table(): Disk read failed. [ 603.526911][ T6608] Dev nbd1073: unable to read RDB block 0 [ 603.531385][ T6569] ldm_validate_partition_table(): Disk read failed. [ 603.544309][ T6617] ldm_validate_partition_table(): Disk read failed. [ 603.557284][ T6550] ldm_validate_partition_table(): Disk read failed. [ 603.560337][ T6244] nbd1064: unable to read partition table [ 603.571893][ T6588] nbd1072: unable to read partition table [ 603.579763][ T6580] Dev nbd1070: unable to read RDB block 0 [ 603.583230][ T6569] Dev nbd1065: unable to read RDB block 0 [ 603.590503][ T6595] block nbd1074: shutting down sockets [ 603.593456][ T6617] Dev nbd1063: unable to read RDB block 0 [ 603.603019][ T6608] nbd1073: unable to read partition table [ 603.613278][ T6584] Dev nbd1066: unable to read RDB block 0 [ 603.617017][ T6608] ldm_validate_partition_table(): Disk read failed. [ 603.633062][ T6233] ldm_validate_partition_table(): Disk read failed. [ 603.644915][ T6613] ldm_validate_partition_table(): Disk read failed. [ 603.646805][ T6244] ldm_validate_partition_table(): Disk read failed. [ 603.655306][ T6595] ldm_validate_partition_table(): Disk read failed. [ 603.666743][ T6569] nbd1065: unable to read partition table [ 603.667923][ T6580] nbd1070: unable to read partition table [ 603.675645][ T6584] nbd1066: unable to read partition table [ 603.680372][ T6550] Dev nbd1068: unable to read RDB block 0 [ 603.689887][ T6588] ldm_validate_partition_table(): Disk read failed. [ 603.694060][ T6575] ldm_validate_partition_table(): Disk read failed. [ 603.699982][ T6617] nbd1063: unable to read partition table [ 603.706014][ T6233] Dev nbd1071: unable to read RDB block 0 [ 603.720539][ T6613] Dev nbd1069: unable to read RDB block 0 [ 603.728282][ T6608] Dev nbd1073: unable to read RDB block 0 [ 603.736020][ T6608] nbd1073: unable to read partition table [ 603.739857][ T6244] Dev nbd1064: unable to read RDB block 0 [ 603.749631][ T6595] Dev nbd1074: unable to read RDB block 0 [ 603.757467][ T6550] nbd1068: unable to read partition table [ 603.767164][ T6613] nbd1069: unable to read partition table [ 603.772619][ T6244] nbd1064: unable to read partition table [ 603.775224][ T6588] Dev nbd1072: unable to read RDB block 0 [ 603.786037][ T6575] Dev nbd1067: unable to read RDB block 0 [ 603.793377][ T6580] ldm_validate_partition_table(): Disk read failed. [ 603.795476][ T6569] ldm_validate_partition_table(): Disk read failed. [ 603.803033][ T6233] nbd1071: unable to read partition table [ 603.812619][ T6584] ldm_validate_partition_table(): Disk read failed. [ 603.818862][ T6580] Dev nbd1070: unable to read RDB block 0 [ 603.821641][ T6595] nbd1074: unable to read partition table [ 603.827081][ T6580] nbd1070: unable to read partition table [ 603.833088][ T6588] nbd1072: unable to read partition table [ 603.853186][ T6575] nbd1067: unable to read partition table [ 603.864784][ T6233] ldm_validate_partition_table(): Disk read failed. [ 603.876869][ T6613] ldm_validate_partition_table(): Disk read failed. [ 603.886341][ T6608] ldm_validate_partition_table(): Disk read failed. [ 603.888038][ T9682] nbd1111: detected capacity change from 0 to 127 [ 603.895178][ T6569] Dev nbd1065: unable to read RDB block 0 [ 603.908397][ T6617] block nbd1075: shutting down sockets [ 603.914878][ T6575] ldm_validate_partition_table(): Disk read failed. [ 603.917400][ T6617] ldm_validate_partition_table(): Disk read failed. [ 603.925146][ T6584] Dev nbd1066: unable to read RDB block 0 [ 603.931116][ T6580] ldm_validate_partition_table(): Disk read failed. [ 603.939464][ T6233] Dev nbd1071: unable to read RDB block 0 [ 603.952007][ T6244] block nbd1076: shutting down sockets [ 603.953712][ T6613] Dev nbd1069: unable to read RDB block 0 [ 603.965446][ T6569] nbd1065: unable to read partition table [ 603.970860][ T6550] ldm_validate_partition_table(): Disk read failed. [ 603.973331][ T6608] Dev nbd1073: unable to read RDB block 0 [ 603.983445][ T6595] ldm_validate_partition_table(): Disk read failed. [ 603.993174][ T52] block nbd1111: Receive control failed (result -32) executing program [ 603.994509][ T6588] ldm_validate_partition_table(): Disk read failed. [ 604.008939][ T6279] block nbd1111: Receive control failed (result -32) [ 604.012930][ T6580] Dev nbd1070: unable to read RDB block 0 [ 604.023545][ T6584] nbd1066: unable to read partition table [ 604.024822][ T6244] ldm_validate_partition_table(): Disk read failed. [ 604.029539][ T6575] Dev nbd1067: unable to read RDB block 0 [ 604.041638][ T9684] blk-mq: reduced tag depth (128 -> 64) [ 604.043793][ T6233] nbd1071: unable to read partition table [ 604.057381][ T6617] Dev nbd1075: unable to read RDB block 0 [ 604.057424][ T6550] Dev nbd1068: unable to read RDB block 0 [ 604.065571][ T6588] Dev nbd1072: unable to read RDB block 0 [ 604.071890][ T6608] nbd1073: unable to read partition table [ 604.080498][ T6595] Dev nbd1074: unable to read RDB block 0 [ 604.081827][ T6613] nbd1069: unable to read partition table [ 604.090303][ T6575] nbd1067: unable to read partition table [ 604.097084][ T6569] ldm_validate_partition_table(): Disk read failed. [ 604.109731][ T6580] nbd1070: unable to read partition table [ 604.110913][ T6617] nbd1075: unable to read partition table [ 604.121303][ T6244] Dev nbd1076: unable to read RDB block 0 [ 604.125796][ T6584] ldm_validate_partition_table(): Disk read failed. [ 604.133650][ T6569] Dev nbd1065: unable to read RDB block 0 [ 604.136512][ T6588] nbd1072: unable to read partition table [ 604.148654][ T6595] nbd1074: unable to read partition table [ 604.151715][ T6550] nbd1068: unable to read partition table [ 604.165977][ T6608] ldm_validate_partition_table(): Disk read failed. [ 604.171501][ T6233] ldm_validate_partition_table(): Disk read failed. [ 604.174825][ T6569] nbd1065: unable to read partition table [ 604.179617][ T6244] nbd1076: unable to read partition table [ 604.195630][ T6608] Dev nbd1073: unable to read RDB block 0 [ 604.195890][ T6580] ldm_validate_partition_table(): Disk read failed. [ 604.204067][ T6608] nbd1073: unable to read partition table [ 604.224693][ T6613] ldm_validate_partition_table(): Disk read failed. [ 604.250175][ T6608] block nbd1077: shutting down sockets [ 604.260516][ T6608] ldm_validate_partition_table(): Disk read failed. [ 604.261695][ T6584] Dev nbd1066: unable to read RDB block 0 [ 604.270398][ T6608] Dev nbd1077: unable to read RDB block 0 [ 604.280879][ T6608] nbd1077: unable to read partition table [ 604.293468][ T6550] ldm_validate_partition_table(): Disk read failed. [ 604.295934][ T6617] ldm_validate_partition_table(): Disk read failed. [ 604.312068][ T6569] ldm_validate_partition_table(): Disk read failed. [ 604.312630][ T6233] Dev nbd1071: unable to read RDB block 0 [ 604.330486][ T6580] Dev nbd1070: unable to read RDB block 0 [ 604.333513][ T6244] ldm_validate_partition_table(): Disk read failed. [ 604.343372][ T6595] ldm_validate_partition_table(): Disk read failed. [ 604.350537][ T6613] Dev nbd1069: unable to read RDB block 0 [ 604.356025][ T6588] ldm_validate_partition_table(): Disk read failed. [ 604.359742][ T6613] nbd1069: unable to read partition table [ 604.370542][ T6550] Dev nbd1068: unable to read RDB block 0 [ 604.375843][ T6608] ldm_validate_partition_table(): Disk read failed. [ 604.380946][ T6584] nbd1066: unable to read partition table [ 604.388841][ T6617] Dev nbd1075: unable to read RDB block 0 [ 604.391119][ T6617] nbd1075: unable to read partition table [ 604.396916][ T6569] Dev nbd1073: unable to read RDB block 0 [ 604.404389][ T6244] Dev nbd1076: unable to read RDB block 0 [ 604.414435][ T6580] nbd1070: unable to read partition table [ 604.414498][ T6233] nbd1071: unable to read partition table [ 604.423100][ T6595] Dev nbd1074: unable to read RDB block 0 [ 604.427957][ T6575] block nbd1078: shutting down sockets [ 604.432445][ T6550] nbd1068: unable to read partition table [ 604.445308][ T6608] Dev nbd1077: unable to read RDB block 0 [ 604.454599][ T6608] nbd1077: unable to read partition table [ 604.465163][ T6613] ldm_validate_partition_table(): Disk read failed. [ 604.466024][ T6588] Dev nbd1072: unable to read RDB block 0 [ 604.480537][ T6244] nbd1076: unable to read partition table [ 604.480806][ T6569] nbd1073: unable to read partition table [ 604.491324][ T6575] ldm_validate_partition_table(): Disk read failed. [ 604.495850][ T6595] nbd1074: unable to read partition table [ 604.510406][ T6233] ldm_validate_partition_table(): Disk read failed. [ 604.511802][ T6613] Dev nbd1069: unable to read RDB block 0 [ 604.521656][ T6588] nbd1072: unable to read partition table [ 604.538626][ T6580] block nbd1079: shutting down sockets [ 604.547688][ T6580] ldm_validate_partition_table(): Disk read failed. [ 604.549577][ T6575] Dev nbd1078: unable to read RDB block 0 [ 604.566868][ T6595] ldm_validate_partition_table(): Disk read failed. [ 604.579415][ T6233] Dev nbd1071: unable to read RDB block 0 [ 604.587432][ T6569] ldm_validate_partition_table(): Disk read failed. [ 604.601294][ T6584] block nbd1080: shutting down sockets [ 604.612092][ T6613] nbd1069: unable to read partition table [ 604.620991][ T6608] ldm_validate_partition_table(): Disk read failed. [ 604.624406][ T6584] ldm_validate_partition_table(): Disk read failed. [ 604.631876][ T6588] ldm_validate_partition_table(): Disk read failed. [ 604.637341][ T6550] block nbd1081: shutting down sockets [ 604.646065][ T6575] nbd1078: unable to read partition table [ 604.648272][ T6595] Dev nbd1074: unable to read RDB block 0 [ 604.655366][ T6233] nbd1071: unable to read partition table [ 604.673687][ T6617] ldm_validate_partition_table(): Disk read failed. [ 604.673714][ T6569] Dev nbd1073: unable to read RDB block 0 [ 604.681800][ T6244] ldm_validate_partition_table(): Disk read failed. [ 604.698842][ T6608] Dev nbd1077: unable to read RDB block 0 [ 604.703896][ T6580] Dev nbd1079: unable to read RDB block 0 [ 604.706432][ T6608] nbd1077: unable to read partition table [ 604.723272][ T6584] Dev nbd1080: unable to read RDB block 0 [ 604.731855][ T6575] ldm_validate_partition_table(): Disk read failed. [ 604.733751][ T6550] ldm_validate_partition_table(): Disk read failed. [ 604.740383][ T6588] Dev nbd1072: unable to read RDB block 0 [ 604.747068][ T6595] nbd1074: unable to read partition table [ 604.753593][ T6617] Dev nbd1076: unable to read RDB block 0 [ 604.761028][ T6569] nbd1073: unable to read partition table [ 604.765129][ T6244] Dev nbd1075: unable to read RDB block 0 [ 604.770446][ T6580] nbd1079: unable to read partition table [ 604.782999][ T6613] block nbd1082: shutting down sockets [ 604.784043][ T6584] nbd1080: unable to read partition table [ 604.790394][ T6575] Dev nbd1078: unable to read RDB block 0 [ 604.799595][ T6550] Dev nbd1081: unable to read RDB block 0 [ 604.807334][ T6588] nbd1072: unable to read partition table [ 604.822377][ T6608] ldm_validate_partition_table(): Disk read failed. [ 604.832321][ T6244] nbd1075: unable to read partition table [ 604.841770][ T6617] nbd1076: unable to read partition table [ 604.844200][ T6580] ldm_validate_partition_table(): Disk read failed. [ 604.849474][ T6233] block nbd1083: shutting down sockets [ 604.861233][ T6613] ldm_validate_partition_table(): Disk read failed. [ 604.866997][ T6550] nbd1081: unable to read partition table [ 604.877378][ T6575] nbd1078: unable to read partition table [ 604.889369][ T6569] block nbd1084: shutting down sockets [ 604.892313][ T6608] Dev nbd1077: unable to read RDB block 0 [ 604.903962][ T6595] ldm_validate_partition_table(): Disk read failed. [ 604.904340][ T6613] Dev nbd1082: unable to read RDB block 0 [ 604.911764][ T6584] ldm_validate_partition_table(): Disk read failed. [ 604.918275][ T6244] ldm_validate_partition_table(): Disk read failed. [ 604.927289][ T6569] ldm_validate_partition_table(): Disk read failed. [ 604.939920][ T6580] Dev nbd1079: unable to read RDB block 0 [ 604.945313][ T6233] ldm_validate_partition_table(): Disk read failed. [ 604.948858][ T6595] Dev nbd1074: unable to read RDB block 0 [ 604.962581][ T6608] nbd1077: unable to read partition table [ 604.970467][ T6588] block nbd1085: shutting down sockets [ 604.981336][ T6617] ldm_validate_partition_table(): Disk read failed. [ 604.986653][ T6233] Dev nbd1083: unable to read RDB block 0 [ 604.989030][ T6580] nbd1079: unable to read partition table [ 605.002525][ T6584] Dev nbd1080: unable to read RDB block 0 [ 605.006914][ T6550] ldm_validate_partition_table(): Disk read failed. [ 605.011576][ T6613] nbd1082: unable to read partition table [ 605.016787][ T6569] Dev nbd1084: unable to read RDB block 0 [ 605.022681][ T6244] Dev nbd1075: unable to read RDB block 0 [ 605.030645][ T6617] Dev nbd1076: unable to read RDB block 0 [ 605.039675][ T6233] nbd1083: unable to read partition table [ 605.047537][ T6588] ldm_validate_partition_table(): Disk read failed. [ 605.048554][ T6595] nbd1074: unable to read partition table [ 605.056176][ T6575] ldm_validate_partition_table(): Disk read failed. [ 605.071126][ T6550] Dev nbd1081: unable to read RDB block 0 [ 605.072218][ T6584] nbd1080: unable to read partition table [ 605.079734][ T6569] nbd1084: unable to read partition table [ 605.085137][ T9684] nbd1112: detected capacity change from 0 to 127 [ 605.090724][ T6617] nbd1076: unable to read partition table [ 605.102574][ T6575] Dev nbd1078: unable to read RDB block 0 [ 605.106928][ T6608] ldm_validate_partition_table(): Disk read failed. [ 605.111105][ T6244] nbd1075: unable to read partition table [ 605.122985][ T6588] Dev nbd1085: unable to read RDB block 0 [ 605.124085][ T6550] nbd1081: unable to read partition table [ 605.134360][ T6613] ldm_validate_partition_table(): Disk read failed. [ 605.144301][ T6279] block nbd1112: Receive control failed (result -32) [ 605.147822][ T52] block nbd1112: Receive control failed (result -32) [ 605.162982][ T6233] ldm_validate_partition_table(): Disk read failed. [ 605.171776][ T6575] nbd1078: unable to read partition table [ 605.172307][ T6595] ldm_validate_partition_table(): Disk read failed. [ 605.186539][ T6588] nbd1085: unable to read partition table executing program [ 605.199646][ T6613] Dev nbd1082: unable to read RDB block 0 [ 605.200424][ T6580] ldm_validate_partition_table(): Disk read failed. [ 605.207379][ T6613] nbd1082: unable to read partition table [ 605.214219][ T6608] Dev nbd1077: unable to read RDB block 0 [ 605.219962][ T6233] Dev nbd1083: unable to read RDB block 0 [ 605.225127][ T6569] ldm_validate_partition_table(): Disk read failed. [ 605.265431][ T6584] ldm_validate_partition_table(): Disk read failed. [ 605.266048][ T6608] nbd1077: unable to read partition table [ 605.278036][ T6575] ldm_validate_partition_table(): Disk read failed. [ 605.279763][ T6575] Dev nbd1078: unable to read RDB block 0 [ 605.292185][ T6617] ldm_validate_partition_table(): Disk read failed. [ 605.295590][ T6588] ldm_validate_partition_table(): Disk read failed. [ 605.303211][ T6550] ldm_validate_partition_table(): Disk read failed. [ 605.307588][ T6233] nbd1083: unable to read partition table [ 605.314728][ T6595] Dev nbd1074: unable to read RDB block 0 [ 605.322753][ T6244] ldm_validate_partition_table(): Disk read failed. [ 605.326069][ T6569] Dev nbd1084: unable to read RDB block 0 [ 605.334915][ T6580] Dev nbd1079: unable to read RDB block 0 [ 605.341026][ T6617] Dev nbd1076: unable to read RDB block 0 [ 605.352993][ T6584] Dev nbd1080: unable to read RDB block 0 [ 605.358714][ T6595] nbd1074: unable to read partition table [ 605.363422][ T6550] Dev nbd1081: unable to read RDB block 0 [ 605.369912][ T6608] ldm_validate_partition_table(): Disk read failed. [ 605.373420][ T6569] nbd1084: unable to read partition table [ 605.380736][ T6617] nbd1076: unable to read partition table [ 605.389716][ T6580] nbd1079: unable to read partition table [ 605.416482][ T6617] ldm_validate_partition_table(): Disk read failed. [ 605.420771][ T6575] nbd1078: unable to read partition table [ 605.425261][ T6617] Dev nbd1076: unable to read RDB block 0 [ 605.431578][ T6608] Dev nbd1077: unable to read RDB block 0 [ 605.443775][ T6588] Dev nbd1085: unable to read RDB block 0 [ 605.452907][ T6244] Dev nbd1075: unable to read RDB block 0 [ 605.453848][ T6617] nbd1076: unable to read partition table [ 605.469825][ T6584] nbd1080: unable to read partition table [ 605.479144][ T6617] block nbd1086: shutting down sockets [ 605.485947][ T6550] nbd1081: unable to read partition table [ 605.496479][ T6617] ldm_validate_partition_table(): Disk read failed. [ 605.502031][ T6595] ldm_validate_partition_table(): Disk read failed. [ 605.513076][ T6580] ldm_validate_partition_table(): Disk read failed. [ 605.513348][ T6588] nbd1085: unable to read partition table [ 605.526779][ T6613] block nbd1087: shutting down sockets [ 605.532337][ T6617] Dev nbd1086: unable to read RDB block 0 [ 605.536073][ T6617] nbd1086: unable to read partition table [ 605.541159][ T6244] nbd1075: unable to read partition table [ 605.551708][ T6580] Dev nbd1079: unable to read RDB block 0 [ 605.552442][ T6608] nbd1077: unable to read partition table [ 605.563236][ T6233] ldm_validate_partition_table(): Disk read failed. [ 605.565307][ T6233] Dev nbd1083: unable to read RDB block 0 [ 605.575909][ T6584] ldm_validate_partition_table(): Disk read failed. [ 605.587329][ T6595] Dev nbd1082: unable to read RDB block 0 [ 605.590310][ T6569] ldm_validate_partition_table(): Disk read failed. [ 605.604119][ T6575] ldm_validate_partition_table(): Disk read failed. [ 605.615341][ T6580] nbd1079: unable to read partition table [ 605.616585][ T6550] ldm_validate_partition_table(): Disk read failed. [ 605.627521][ T6233] nbd1083: unable to read partition table [ 605.639694][ T6584] Dev nbd1080: unable to read RDB block 0 [ 605.640980][ T6244] ldm_validate_partition_table(): Disk read failed. [ 605.652139][ T6595] nbd1082: unable to read partition table [ 605.659845][ T6550] Dev nbd1081: unable to read RDB block 0 [ 605.667530][ T6550] nbd1081: unable to read partition table [ 605.672573][ T6613] ldm_validate_partition_table(): Disk read failed. [ 605.679656][ T6244] Dev nbd1075: unable to read RDB block 0 [ 605.684882][ T6575] Dev nbd1078: unable to read RDB block 0 [ 605.690969][ T6244] nbd1075: unable to read partition table [ 605.693331][ T6617] ldm_validate_partition_table(): Disk read failed. [ 605.707166][ T6588] ldm_validate_partition_table(): Disk read failed. [ 605.718326][ T6569] Dev nbd1084: unable to read RDB block 0 [ 605.724611][ T6584] nbd1080: unable to read partition table [ 605.726595][ T6569] nbd1084: unable to read partition table [ 605.736240][ T6575] nbd1078: unable to read partition table [ 605.740189][ T6233] ldm_validate_partition_table(): Disk read failed. [ 605.750114][ T6613] Dev nbd1087: unable to read RDB block 0 [ 605.754995][ T6550] ldm_validate_partition_table(): Disk read failed. [ 605.757667][ T6588] Dev nbd1085: unable to read RDB block 0 [ 605.777011][ T6569] ldm_validate_partition_table(): Disk read failed. [ 605.779729][ T6613] nbd1087: unable to read partition table [ 605.785606][ T6233] Dev nbd1083: unable to read RDB block 0 [ 605.793859][ T6595] ldm_validate_partition_table(): Disk read failed. [ 605.804677][ T6617] Dev nbd1086: unable to read RDB block 0 [ 605.809032][ T6580] block nbd1088: shutting down sockets [ 605.820132][ T6550] Dev nbd1081: unable to read RDB block 0 [ 605.832138][ T6244] ldm_validate_partition_table(): Disk read failed. [ 605.834334][ T6575] ldm_validate_partition_table(): Disk read failed. [ 605.848915][ T6584] block nbd1089: shutting down sockets [ 605.850444][ T6233] nbd1083: unable to read partition table [ 605.859555][ T6595] Dev nbd1082: unable to read RDB block 0 [ 605.860746][ T6617] nbd1086: unable to read partition table [ 605.868474][ T6608] ldm_validate_partition_table(): Disk read failed. [ 605.873143][ T6569] Dev nbd1084: unable to read RDB block 0 [ 605.880358][ T6588] nbd1085: unable to read partition table [ 605.886135][ T6550] nbd1081: unable to read partition table [ 605.893638][ T6580] ldm_validate_partition_table(): Disk read failed. [ 605.907008][ T6613] ldm_validate_partition_table(): Disk read failed. [ 605.911404][ T6244] Dev nbd1079: unable to read RDB block 0 [ 605.915871][ T6575] Dev nbd1078: unable to read RDB block 0 [ 605.927391][ T6584] ldm_validate_partition_table(): Disk read failed. [ 605.934269][ T6595] nbd1082: unable to read partition table [ 605.941978][ T6608] Dev nbd1080: unable to read RDB block 0 [ 605.954630][ T6588] ldm_validate_partition_table(): Disk read failed. [ 605.960137][ T6569] nbd1084: unable to read partition table [ 605.967470][ T6580] Dev nbd1088: unable to read RDB block 0 [ 605.974041][ T6244] nbd1079: unable to read partition table [ 605.975638][ T6613] Dev nbd1087: unable to read RDB block 0 [ 605.988831][ T6584] Dev nbd1089: unable to read RDB block 0 [ 605.996573][ T6584] nbd1089: unable to read partition table [ 606.006114][ T6617] ldm_validate_partition_table(): Disk read failed. [ 606.009771][ T6575] nbd1078: unable to read partition table [ 606.021166][ T6608] nbd1080: unable to read partition table [ 606.023086][ T6233] ldm_validate_partition_table(): Disk read failed. [ 606.030144][ T6580] nbd1088: unable to read partition table [ 606.041970][ T6550] ldm_validate_partition_table(): Disk read failed. [ 606.049843][ T6613] nbd1087: unable to read partition table [ 606.058155][ T6588] Dev nbd1085: unable to read RDB block 0 [ 606.065866][ T6588] nbd1085: unable to read partition table [ 606.084566][ T6244] ldm_validate_partition_table(): Disk read failed. [ 606.085727][ T6595] ldm_validate_partition_table(): Disk read failed. [ 606.099438][ T6608] ldm_validate_partition_table(): Disk read failed. [ 606.103280][ T6550] Dev nbd1081: unable to read RDB block 0 [ 606.115179][ T6617] Dev nbd1086: unable to read RDB block 0 [ 606.122277][ T6584] ldm_validate_partition_table(): Disk read failed. [ 606.130668][ T6569] ldm_validate_partition_table(): Disk read failed. [ 606.139478][ T6233] Dev nbd1083: unable to read RDB block 0 [ 606.147202][ T6233] nbd1083: unable to read partition table [ 606.151751][ T6580] ldm_validate_partition_table(): Disk read failed. [ 606.160163][ T6244] Dev nbd1079: unable to read RDB block 0 [ 606.162056][ T6244] nbd1079: unable to read partition table [ 606.169437][ T6608] Dev nbd1080: unable to read RDB block 0 [ 606.183061][ T6575] block nbd1090: shutting down sockets [ 606.194860][ T6569] Dev nbd1082: unable to read RDB block 0 [ 606.197213][ T6613] ldm_validate_partition_table(): Disk read failed. [ 606.203709][ T6617] nbd1086: unable to read partition table [ 606.214367][ T6550] nbd1081: unable to read partition table [ 606.215686][ T6584] Dev nbd1089: unable to read RDB block 0 [ 606.222464][ T6569] nbd1082: unable to read partition table [ 606.227732][ T6595] Dev nbd1084: unable to read RDB block 0 [ 606.229916][ T6580] Dev nbd1088: unable to read RDB block 0 [ 606.240923][ T6608] nbd1080: unable to read partition table [ 606.246870][ T6575] ldm_validate_partition_table(): Disk read failed. [ 606.251286][ T6613] Dev nbd1087: unable to read RDB block 0 [ 606.266724][ T9686] nbd1113: detected capacity change from 0 to 127 [ 606.267389][ T6584] nbd1089: unable to read partition table [ 606.284424][ T6588] ldm_validate_partition_table(): Disk read failed. [ 606.295557][ T52] block nbd1113: Receive control failed (result -32) [ 606.297918][ T6279] block nbd1113: Receive control failed (result -32) [ 606.316548][ T6580] nbd1088: unable to read partition table [ 606.328577][ T6233] ldm_validate_partition_table(): Disk read failed. [ 606.328607][ T6617] ldm_validate_partition_table(): Disk read failed. [ 606.337055][ T6233] Dev nbd1083: unable to read RDB block 0 [ 606.347972][ T6613] blk_print_req_error: 13143 callbacks suppressed [ 606.347989][ T6613] I/O error, dev nbd1087, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.348194][ T6595] I/O error, dev nbd1084, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.354546][ T6613] I/O error, dev nbd1087, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.367341][ T6575] I/O error, dev nbd1090, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.377934][ T6608] I/O error, dev nbd1080, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.398033][ T6550] block nbd1091: shutting down sockets [ 606.402778][ T6580] I/O error, dev nbd1088, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.407698][ T6550] I/O error, dev nbd1091, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 executing program [ 606.428250][ T6588] I/O error, dev nbd1085, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.433342][ T6244] block nbd1092: shutting down sockets [ 606.438980][ T6569] I/O error, dev nbd1082, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.444797][ T6617] I/O error, dev nbd1086, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 606.455279][ T6584] buffer_io_error: 13145 callbacks suppressed [ 606.455297][ T6584] Buffer I/O error on dev nbd1089, logical block 0, async page read [ 606.465832][ T6595] Buffer I/O error on dev nbd1084, logical block 0, async page read [ 606.472498][ T6588] Buffer I/O error on dev nbd1085, logical block 1, async page read [ 606.480618][ T9688] blk-mq: reduced tag depth (128 -> 64) [ 606.485958][ T6233] Buffer I/O error on dev nbd1083, logical block 0, async page read [ 606.493718][ T6575] Buffer I/O error on dev nbd1090, logical block 0, async page read [ 606.499192][ T6580] Buffer I/O error on dev nbd1088, logical block 0, async page read [ 606.499346][ T6580] Buffer I/O error on dev nbd1088, logical block 1, async page read [ 606.499450][ T6580] Buffer I/O error on dev nbd1088, logical block 2, async page read [ 606.508310][ T6244] Buffer I/O error on dev nbd1092, logical block 0, async page read [ 606.515517][ T6569] Buffer I/O error on dev nbd1082, logical block 0, async page read [ 606.524224][ T6595] nbd1084: unable to read partition table [ 606.539883][ T6613] nbd1087: unable to read partition table [ 606.569824][ T6588] Dev nbd1085: unable to read RDB block 0 [ 606.569921][ T6575] Dev nbd1090: unable to read RDB block 0 [ 606.577419][ T6588] nbd1085: unable to read partition table [ 606.585383][ T6617] Dev nbd1086: unable to read RDB block 0 [ 606.593585][ T6233] nbd1083: unable to read partition table [ 606.596667][ T6550] ldm_validate_partition_table(): Disk read failed. [ 606.604514][ T6584] ldm_validate_partition_table(): Disk read failed. [ 606.610987][ T6244] ldm_validate_partition_table(): Disk read failed. [ 606.622137][ T6617] nbd1086: unable to read partition table [ 606.633616][ T6569] ldm_validate_partition_table(): Disk read failed. [ 606.637106][ T6595] ldm_validate_partition_table(): Disk read failed. [ 606.651237][ T6584] Dev nbd1089: unable to read RDB block 0 [ 606.651766][ T6575] nbd1090: unable to read partition table [ 606.662850][ T6580] ldm_validate_partition_table(): Disk read failed. [ 606.664637][ T6580] Dev nbd1088: unable to read RDB block 0 [ 606.677505][ T6569] Dev nbd1082: unable to read RDB block 0 [ 606.681390][ T6588] ldm_validate_partition_table(): Disk read failed. [ 606.691994][ T6588] Dev nbd1085: unable to read RDB block 0 [ 606.692121][ T6233] block nbd1093: shutting down sockets [ 606.699748][ T6580] nbd1088: unable to read partition table [ 606.706365][ T6584] nbd1089: unable to read partition table [ 606.712475][ T6588] nbd1085: unable to read partition table [ 606.727045][ T6550] Dev nbd1091: unable to read RDB block 0 [ 606.744783][ T6580] ldm_validate_partition_table(): Disk read failed. [ 606.752827][ T6244] Dev nbd1092: unable to read RDB block 0 [ 606.761331][ T6244] nbd1092: unable to read partition table [ 606.769579][ T6608] find_fallback: 21 callbacks suppressed [ 606.769600][ T6608] block nbd1095: Dead connection, failed to find a fallback [ 606.772458][ T6580] Dev nbd1088: unable to read RDB block 0 [ 606.775347][ T6608] block nbd1095: shutting down sockets [ 606.786797][ T6580] nbd1088: unable to read partition table [ 606.791992][ T6569] nbd1082: unable to read partition table [ 606.808778][ T6588] block nbd1094: Dead connection, failed to find a fallback [ 606.820668][ T6595] Dev nbd1084: unable to read RDB block 0 [ 606.822445][ T6244] ldm_validate_partition_table(): Disk read failed. [ 606.829049][ T6233] ldm_validate_partition_table(): Disk read failed. [ 606.839722][ T6550] nbd1091: unable to read partition table [ 606.843309][ T6588] block nbd1094: shutting down sockets [ 606.853772][ T6617] ldm_validate_partition_table(): Disk read failed. [ 606.862492][ T6613] ldm_validate_partition_table(): Disk read failed. [ 606.866370][ T6550] ldm_validate_partition_table(): Disk read failed. [ 606.882233][ T6584] ldm_validate_partition_table(): Disk read failed. [ 606.891200][ T6595] nbd1084: unable to read partition table [ 606.892148][ T6580] ldm_validate_partition_table(): Disk read failed. [ 606.905636][ T6617] Dev nbd1086: unable to read RDB block 0 [ 606.913577][ T6575] ldm_validate_partition_table(): Disk read failed. [ 606.914844][ T6588] ldm_validate_partition_table(): Disk read failed. [ 606.922061][ T6233] Dev nbd1093: unable to read RDB block 0 [ 606.928769][ T6244] Dev nbd1092: unable to read RDB block 0 [ 606.933678][ T6608] ldm_validate_partition_table(): Disk read failed. [ 606.940157][ T6613] Dev nbd1087: unable to read RDB block 0 [ 606.945859][ T6569] block nbd1096: Dead connection, failed to find a fallback [ 606.952724][ T6617] nbd1086: unable to read partition table [ 606.965788][ T6584] Dev nbd1089: unable to read RDB block 0 [ 606.969587][ T6575] Dev nbd1090: unable to read RDB block 0 [ 606.976288][ T6550] Dev nbd1091: unable to read RDB block 0 [ 606.983937][ T6233] nbd1093: unable to read partition table [ 606.986477][ T6244] nbd1092: unable to read partition table [ 606.997744][ T6588] Dev nbd1094: unable to read RDB block 0 [ 606.998743][ T6580] Dev nbd1088: unable to read RDB block 0 [ 607.002511][ T6608] Dev nbd1095: unable to read RDB block 0 [ 607.016283][ T6584] nbd1089: unable to read partition table [ 607.016810][ T6569] block nbd1096: shutting down sockets [ 607.024078][ T6613] nbd1087: unable to read partition table [ 607.037168][ T6550] nbd1091: unable to read partition table [ 607.041197][ T6575] nbd1090: unable to read partition table [ 607.043620][ T6580] nbd1088: unable to read partition table [ 607.057405][ T6595] block nbd1097: Dead connection, failed to find a fallback [ 607.063831][ T6617] ldm_validate_partition_table(): Disk read failed. [ 607.066930][ T6608] nbd1095: unable to read partition table [ 607.071839][ T6588] nbd1094: unable to read partition table [ 607.081526][ T6569] ldm_validate_partition_table(): Disk read failed. [ 607.094883][ T6233] ldm_validate_partition_table(): Disk read failed. [ 607.128327][ T6595] block nbd1097: shutting down sockets [ 607.132134][ T6580] ldm_validate_partition_table(): Disk read failed. [ 607.137372][ T6595] ldm_validate_partition_table(): Disk read failed. [ 607.142396][ T6617] Dev nbd1086: unable to read RDB block 0 [ 607.161160][ T6569] Dev nbd1096: unable to read RDB block 0 [ 607.163641][ T6244] ldm_validate_partition_table(): Disk read failed. [ 607.171376][ T6233] Dev nbd1093: unable to read RDB block 0 [ 607.186273][ T6584] ldm_validate_partition_table(): Disk read failed. [ 607.190798][ T6608] ldm_validate_partition_table(): Disk read failed. [ 607.201869][ T6595] Dev nbd1097: unable to read RDB block 0 [ 607.207311][ T6550] ldm_validate_partition_table(): Disk read failed. [ 607.212437][ T6575] ldm_validate_partition_table(): Disk read failed. [ 607.218288][ T6580] Dev nbd1088: unable to read RDB block 0 [ 607.222420][ T6569] nbd1096: unable to read partition table [ 607.232741][ T6613] ldm_validate_partition_table(): Disk read failed. [ 607.234480][ T6613] Dev nbd1087: unable to read RDB block 0 [ 607.242612][ T6233] nbd1093: unable to read partition table [ 607.247126][ T6617] nbd1086: unable to read partition table [ 607.258977][ T6588] ldm_validate_partition_table(): Disk read failed. [ 607.259191][ T6595] nbd1097: unable to read partition table [ 607.267320][ T6588] Dev nbd1094: unable to read RDB block 0 [ 607.273344][ T6584] Dev nbd1089: unable to read RDB block 0 [ 607.279842][ T6244] Dev nbd1092: unable to read RDB block 0 [ 607.288390][ T6608] Dev nbd1095: unable to read RDB block 0 [ 607.291113][ T6550] Dev nbd1091: unable to read RDB block 0 [ 607.297091][ T6608] nbd1095: unable to read partition table [ 607.302871][ T6580] nbd1088: unable to read partition table [ 607.316702][ T6575] Dev nbd1090: unable to read RDB block 0 [ 607.326401][ T6613] nbd1087: unable to read partition table [ 607.335556][ T6588] nbd1094: unable to read partition table [ 607.343962][ T6244] nbd1092: unable to read partition table [ 607.346476][ T6584] nbd1089: unable to read partition table [ 607.362128][ T6575] nbd1090: unable to read partition table [ 607.364921][ T6550] nbd1091: unable to read partition table [ 607.375191][ T6569] ldm_validate_partition_table(): Disk read failed. [ 607.380964][ T6613] ldm_validate_partition_table(): Disk read failed. [ 607.401433][ T6617] block nbd1098: Dead connection, failed to find a fallback [ 607.402281][ T6233] ldm_validate_partition_table(): Disk read failed. [ 607.422268][ T6595] ldm_validate_partition_table(): Disk read failed. [ 607.430636][ T6580] block nbd1099: Dead connection, failed to find a fallback [ 607.432355][ T6584] ldm_validate_partition_table(): Disk read failed. [ 607.439950][ T6244] ldm_validate_partition_table(): Disk read failed. [ 607.451662][ T6569] Dev nbd1096: unable to read RDB block 0 [ 607.460213][ T6617] block nbd1098: shutting down sockets [ 607.471828][ T6233] Dev nbd1093: unable to read RDB block 0 [ 607.473959][ T6613] Dev nbd1087: unable to read RDB block 0 [ 607.480026][ T6569] nbd1096: unable to read partition table [ 607.489609][ T6595] Dev nbd1097: unable to read RDB block 0 [ 607.491501][ T6595] nbd1097: unable to read partition table [ 607.498141][ T6584] Dev nbd1089: unable to read RDB block 0 [ 607.505642][ T6575] ldm_validate_partition_table(): Disk read failed. [ 607.515866][ T6584] nbd1089: unable to read partition table [ 607.517193][ T6550] ldm_validate_partition_table(): Disk read failed. [ 607.531682][ T6233] nbd1093: unable to read partition table [ 607.542102][ T6569] ldm_validate_partition_table(): Disk read failed. [ 607.544816][ T6608] ldm_validate_partition_table(): Disk read failed. [ 607.552690][ T6617] ldm_validate_partition_table(): Disk read failed. [ 607.560295][ T6588] ldm_validate_partition_table(): Disk read failed. [ 607.562775][ T6580] block nbd1099: shutting down sockets [ 607.568907][ T9688] nbd1114: detected capacity change from 0 to 127 [ 607.571927][ T6279] block nbd1114: Receive control failed (result -32) [ 607.585044][ T52] block nbd1114: Receive control failed (result -32) [ 607.604835][ T6244] Dev nbd1092: unable to read RDB block 0 [ 607.608701][ T6613] nbd1087: unable to read partition table [ 607.612562][ T6575] Dev nbd1090: unable to read RDB block 0 [ 607.623012][ T6608] Dev nbd1095: unable to read RDB block 0 executing program [ 607.630625][ T6550] Dev nbd1091: unable to read RDB block 0 [ 607.639719][ T6588] Dev nbd1094: unable to read RDB block 0 [ 607.642084][ T6233] ldm_validate_partition_table(): Disk read failed. [ 607.647411][ T6588] nbd1094: unable to read partition table [ 607.659924][ T6244] nbd1092: unable to read partition table [ 607.661770][ T6550] nbd1091: unable to read partition table [ 607.667628][ T6617] Dev nbd1098: unable to read RDB block 0 [ 607.674560][ T9690] blk-mq: reduced tag depth (128 -> 64) [ 607.681033][ T6580] ldm_validate_partition_table(): Disk read failed. [ 607.689842][ T6608] nbd1095: unable to read partition table [ 607.702072][ T6613] block nbd1100: Dead connection, failed to find a fallback [ 607.702244][ T6569] Dev nbd1096: unable to read RDB block 0 [ 607.709795][ T6575] nbd1090: unable to read partition table [ 607.734454][ T6608] ldm_validate_partition_table(): Disk read failed. [ 607.739029][ T6233] Dev nbd1093: unable to read RDB block 0 [ 607.746289][ T6569] nbd1096: unable to read partition table [ 607.755945][ T6617] nbd1098: unable to read partition table [ 607.757068][ T6595] ldm_validate_partition_table(): Disk read failed. [ 607.765167][ T6580] Dev nbd1099: unable to read RDB block 0 [ 607.770732][ T6584] block nbd1101: Dead connection, failed to find a fallback [ 607.774821][ T6613] block nbd1100: shutting down sockets [ 607.792437][ T6244] ldm_validate_partition_table(): Disk read failed. [ 607.812835][ T6233] nbd1093: unable to read partition table [ 607.825839][ T6569] ldm_validate_partition_table(): Disk read failed. [ 607.829816][ T6580] nbd1099: unable to read partition table [ 607.835695][ T6608] Dev nbd1095: unable to read RDB block 0 [ 607.838736][ T6588] ldm_validate_partition_table(): Disk read failed. [ 607.846091][ T6608] nbd1095: unable to read partition table [ 607.853735][ T6550] ldm_validate_partition_table(): Disk read failed. [ 607.858561][ T6595] Dev nbd1097: unable to read RDB block 0 [ 607.871269][ T6569] Dev nbd1096: unable to read RDB block 0 [ 607.873239][ T6617] ldm_validate_partition_table(): Disk read failed. [ 607.880494][ T6595] nbd1097: unable to read partition table [ 607.883894][ T6584] block nbd1101: shutting down sockets [ 607.898501][ T6569] nbd1096: unable to read partition table [ 607.909761][ T6595] ldm_validate_partition_table(): Disk read failed. [ 607.921599][ T6608] ldm_validate_partition_table(): Disk read failed. [ 607.930578][ T6244] Dev nbd1092: unable to read RDB block 0 [ 607.930744][ T6595] Dev nbd1097: unable to read RDB block 0 [ 607.939007][ T6613] ldm_validate_partition_table(): Disk read failed. [ 607.943946][ T6608] Dev nbd1095: unable to read RDB block 0 [ 607.956867][ T6595] nbd1097: unable to read partition table [ 607.962159][ T6575] ldm_validate_partition_table(): Disk read failed. [ 607.965455][ T6588] Dev nbd1094: unable to read RDB block 0 [ 607.973863][ T6584] ldm_validate_partition_table(): Disk read failed. [ 607.977339][ T6608] nbd1095: unable to read partition table [ 607.986103][ T6617] Dev nbd1098: unable to read RDB block 0 [ 607.991510][ T6550] Dev nbd1091: unable to read RDB block 0 [ 607.999173][ T6244] nbd1092: unable to read partition table [ 608.005756][ T6588] nbd1094: unable to read partition table [ 608.016260][ T6575] Dev nbd1090: unable to read RDB block 0 [ 608.017736][ T6580] ldm_validate_partition_table(): Disk read failed. [ 608.030555][ T6580] Dev nbd1099: unable to read RDB block 0 [ 608.033188][ T6569] ldm_validate_partition_table(): Disk read failed. [ 608.039741][ T6550] nbd1091: unable to read partition table [ 608.044192][ T6233] ldm_validate_partition_table(): Disk read failed. [ 608.056940][ T6613] Dev nbd1100: unable to read RDB block 0 [ 608.069662][ T6617] nbd1098: unable to read partition table [ 608.076367][ T6584] Dev nbd1101: unable to read RDB block 0 [ 608.086595][ T6595] ldm_validate_partition_table(): Disk read failed. [ 608.086669][ T6244] ldm_validate_partition_table(): Disk read failed. [ 608.095864][ T6580] nbd1099: unable to read partition table [ 608.109959][ T6613] nbd1100: unable to read partition table [ 608.119609][ T6233] Dev nbd1093: unable to read RDB block 0 [ 608.127336][ T6569] Dev nbd1096: unable to read RDB block 0 [ 608.134995][ T6575] nbd1090: unable to read partition table [ 608.142604][ T6588] ldm_validate_partition_table(): Disk read failed. [ 608.145789][ T6233] nbd1093: unable to read partition table [ 608.162128][ T6608] ldm_validate_partition_table(): Disk read failed. [ 608.166428][ T6584] nbd1101: unable to read partition table [ 608.170708][ T6550] ldm_validate_partition_table(): Disk read failed. [ 608.179870][ T6569] nbd1096: unable to read partition table [ 608.183041][ T6595] Dev nbd1097: unable to read RDB block 0 [ 608.190405][ T6613] ldm_validate_partition_table(): Disk read failed. [ 608.203162][ T6588] Dev nbd1094: unable to read RDB block 0 [ 608.205339][ T6244] Dev nbd1092: unable to read RDB block 0 [ 608.220462][ T6575] ldm_validate_partition_table(): Disk read failed. [ 608.230763][ T6608] Dev nbd1095: unable to read RDB block 0 [ 608.231553][ T6233] ldm_validate_partition_table(): Disk read failed. [ 608.239960][ T6550] Dev nbd1091: unable to read RDB block 0 [ 608.252805][ T6617] ldm_validate_partition_table(): Disk read failed. [ 608.253258][ T6580] ldm_validate_partition_table(): Disk read failed. [ 608.262117][ T6613] Dev nbd1100: unable to read RDB block 0 [ 608.270927][ T6595] nbd1097: unable to read partition table [ 608.275517][ T6575] Dev nbd1090: unable to read RDB block 0 [ 608.280392][ T6588] nbd1094: unable to read partition table [ 608.286408][ T6244] nbd1092: unable to read partition table [ 608.296460][ T6608] nbd1095: unable to read partition table [ 608.307362][ T6580] Dev nbd1099: unable to read RDB block 0 [ 608.310565][ T6617] Dev nbd1098: unable to read RDB block 0 [ 608.319166][ T6550] nbd1091: unable to read partition table [ 608.326675][ T6569] ldm_validate_partition_table(): Disk read failed. [ 608.335639][ T6613] nbd1100: unable to read partition table [ 608.342039][ T6595] ldm_validate_partition_table(): Disk read failed. [ 608.343313][ T6233] Dev nbd1093: unable to read RDB block 0 [ 608.352601][ T6580] nbd1099: unable to read partition table [ 608.356470][ T6575] nbd1090: unable to read partition table [ 608.364488][ T6588] ldm_validate_partition_table(): Disk read failed. [ 608.367087][ T6584] ldm_validate_partition_table(): Disk read failed. [ 608.390631][ T6595] Dev nbd1097: unable to read RDB block 0 [ 608.391907][ T6569] Dev nbd1096: unable to read RDB block 0 [ 608.399119][ T6608] block nbd1102: Dead connection, failed to find a fallback [ 608.409835][ T6617] nbd1098: unable to read partition table [ 608.412443][ T6233] nbd1093: unable to read partition table [ 608.425131][ T6588] Dev nbd1094: unable to read RDB block 0 [ 608.431388][ T6617] ldm_validate_partition_table(): Disk read failed. [ 608.453150][ T6580] ldm_validate_partition_table(): Disk read failed. [ 608.457416][ T6584] Dev nbd1101: unable to read RDB block 0 [ 608.463148][ T6595] nbd1097: unable to read partition table [ 608.474955][ T6550] block nbd1104: Dead connection, failed to find a fallback [ 608.479279][ T6244] block nbd1105: shutting down sockets [ 608.484604][ T6588] nbd1094: unable to read partition table [ 608.489760][ T6569] nbd1096: unable to read partition table [ 608.493657][ T6608] block nbd1102: shutting down sockets [ 608.503603][ T6613] ldm_validate_partition_table(): Disk read failed. [ 608.515013][ T6575] block nbd1103: shutting down sockets [ 608.522181][ T6617] Dev nbd1098: unable to read RDB block 0 [ 608.525688][ T6608] ldm_validate_partition_table(): Disk read failed. [ 608.537075][ T6584] nbd1101: unable to read partition table [ 608.541076][ T6580] Dev nbd1099: unable to read RDB block 0 [ 608.547076][ T6550] block nbd1104: shutting down sockets [ 608.563163][ T6244] ldm_validate_partition_table(): Disk read failed. [ 608.570686][ T6608] Dev nbd1102: unable to read RDB block 0 [ 608.571855][ T6617] nbd1098: unable to read partition table [ 608.586324][ T6575] ldm_validate_partition_table(): Disk read failed. [ 608.596762][ T6613] Dev nbd1100: unable to read RDB block 0 [ 608.601233][ T6550] ldm_validate_partition_table(): Disk read failed. [ 608.610057][ T6580] nbd1099: unable to read partition table [ 608.619861][ T6244] Dev nbd1105: unable to read RDB block 0 [ 608.624716][ T6595] block nbd1108: shutting down sockets [ 608.627484][ T6244] nbd1105: unable to read partition table [ 608.632109][ T6588] block nbd1106: shutting down sockets [ 608.637967][ T6233] block nbd1107: shutting down sockets [ 608.647632][ T6608] nbd1102: unable to read partition table [ 608.651042][ T6575] Dev nbd1103: unable to read RDB block 0 [ 608.652952][ T6575] nbd1103: unable to read partition table [ 608.661756][ T6613] nbd1100: unable to read partition table [ 608.680235][ T6550] Dev nbd1104: unable to read RDB block 0 [ 608.692144][ T6584] block nbd1109: shutting down sockets [ 608.695015][ T6569] ldm_validate_partition_table(): Disk read failed. [ 608.701707][ T6233] ldm_validate_partition_table(): Disk read failed. [ 608.710891][ T9690] nbd1115: detected capacity change from 0 to 127 [ 608.717417][ T6595] ldm_validate_partition_table(): Disk read failed. [ 608.719343][ T6595] Dev nbd1108: unable to read RDB block 0 [ 608.734566][ T6575] ldm_validate_partition_table(): Disk read failed. [ 608.734570][ T6608] ldm_validate_partition_table(): Disk read failed. [ 608.741962][ T6617] ldm_validate_partition_table(): Disk read failed. [ 608.758145][ T6550] nbd1104: unable to read partition table [ 608.759184][ T6588] ldm_validate_partition_table(): Disk read failed. [ 608.766517][ T6584] ldm_validate_partition_table(): Disk read failed. [ 608.775271][ T6580] ldm_validate_partition_table(): Disk read failed. [ 608.782338][ T6244] ldm_validate_partition_table(): Disk read failed. [ 608.786032][ T6569] Dev nbd1098: unable to read RDB block 0 [ 608.792812][ T6575] Dev nbd1103: unable to read RDB block 0 [ 608.804686][ T6595] nbd1108: unable to read partition table [ 608.807636][ T6584] Dev nbd1109: unable to read RDB block 0 [ 608.812575][ T6569] nbd1098: unable to read partition table [ 608.823014][ T6233] Dev nbd1107: unable to read RDB block 0 [ 608.833418][ T52] block nbd1115: Receive control failed (result -32) [ 608.833938][ T6279] block nbd1115: Receive control failed (result -32) [ 608.849653][ T6584] nbd1109: unable to read partition table [ 608.850449][ T6588] Dev nbd1106: unable to read RDB block 0 [ 608.857334][ T6617] Dev nbd1101: unable to read RDB block 0 [ 608.864667][ T6613] ldm_validate_partition_table(): Disk read failed. [ 608.869422][ T6550] ldm_validate_partition_table(): Disk read failed. [ 608.875414][ T6580] Dev nbd1099: unable to read RDB block 0 [ 608.884852][ T6233] nbd1107: unable to read partition table [ 608.887591][ T6608] Dev nbd1102: unable to read RDB block 0 [ 608.894236][ T6575] nbd1103: unable to read partition table executing program [ 608.909866][ T6244] Dev nbd1105: unable to read RDB block 0 [ 608.914322][ T6613] Dev nbd1100: unable to read RDB block 0 [ 608.925026][ T9692] blk-mq: reduced tag depth (128 -> 64) [ 608.932954][ T6588] nbd1106: unable to read partition table [ 608.936162][ T6617] nbd1101: unable to read partition table [ 608.940853][ T6595] ldm_validate_partition_table(): Disk read failed. [ 608.949913][ T6244] nbd1105: unable to read partition table [ 608.954024][ T6608] nbd1102: unable to read partition table [ 608.960045][ T6550] Dev nbd1104: unable to read RDB block 0 [ 608.965196][ T6580] nbd1099: unable to read partition table [ 608.978912][ T6569] ldm_validate_partition_table(): Disk read failed. [ 608.984361][ T6233] ldm_validate_partition_table(): Disk read failed. [ 608.987236][ T6569] Dev nbd1098: unable to read RDB block 0 [ 609.005697][ T6233] Dev nbd1107: unable to read RDB block 0 [ 609.013688][ T6233] nbd1107: unable to read partition table [ 609.016328][ T6584] ldm_validate_partition_table(): Disk read failed. [ 609.031601][ T6613] nbd1100: unable to read partition table [ 609.048844][ T6233] ldm_validate_partition_table(): Disk read failed. [ 609.054127][ T6550] nbd1104: unable to read partition table [ 609.065530][ T6244] ldm_validate_partition_table(): Disk read failed. [ 609.071184][ T6595] Dev nbd1108: unable to read RDB block 0 [ 609.075887][ T6233] Dev nbd1107: unable to read RDB block 0 [ 609.082169][ T6617] ldm_validate_partition_table(): Disk read failed. [ 609.085563][ T6233] nbd1107: unable to read partition table [ 609.090490][ T6580] ldm_validate_partition_table(): Disk read failed. [ 609.099079][ T6244] Dev nbd1105: unable to read RDB block 0 [ 609.113420][ T6575] ldm_validate_partition_table(): Disk read failed. [ 609.117395][ T6233] ldm_validate_partition_table(): Disk read failed. [ 609.122933][ T6588] ldm_validate_partition_table(): Disk read failed. [ 609.136653][ T6575] Dev nbd1103: unable to read RDB block 0 [ 609.140063][ T6584] Dev nbd1109: unable to read RDB block 0 [ 609.147514][ T6588] Dev nbd1106: unable to read RDB block 0 [ 609.156208][ T6569] nbd1098: unable to read partition table [ 609.164043][ T6617] Dev nbd1101: unable to read RDB block 0 [ 609.169830][ T6595] nbd1108: unable to read partition table [ 609.172932][ T6580] Dev nbd1099: unable to read RDB block 0 [ 609.177665][ T6588] nbd1106: unable to read partition table [ 609.190666][ T6617] nbd1101: unable to read partition table [ 609.199963][ T6575] nbd1103: unable to read partition table [ 609.209786][ T6244] nbd1105: unable to read partition table [ 609.213887][ T6233] Dev nbd1107: unable to read RDB block 0 [ 609.225747][ T6233] nbd1107: unable to read partition table [ 609.228914][ T6584] nbd1109: unable to read partition table [ 609.243220][ T6580] nbd1099: unable to read partition table [ 609.245786][ T6613] ldm_validate_partition_table(): Disk read failed. [ 609.250091][ T6608] ldm_validate_partition_table(): Disk read failed. [ 609.275613][ T6588] ldm_validate_partition_table(): Disk read failed. [ 609.285221][ T6575] ldm_validate_partition_table(): Disk read failed. [ 609.297376][ T6608] Dev nbd1100: unable to read RDB block 0 [ 609.302020][ T6244] ldm_validate_partition_table(): Disk read failed. [ 609.307641][ T6588] Dev nbd1106: unable to read RDB block 0 [ 609.321669][ T6233] ldm_validate_partition_table(): Disk read failed. [ 609.331041][ T6608] nbd1100: unable to read partition table [ 609.338850][ T6613] Dev nbd1102: unable to read RDB block 0 [ 609.341893][ T6580] ldm_validate_partition_table(): Disk read failed. [ 609.346439][ T6613] nbd1102: unable to read partition table [ 609.355589][ T6595] ldm_validate_partition_table(): Disk read failed. [ 609.358813][ T6569] block nbd1110: shutting down sockets [ 609.371027][ T6575] Dev nbd1103: unable to read RDB block 0 [ 609.379012][ T6588] nbd1106: unable to read partition table [ 609.380078][ T6244] Dev nbd1105: unable to read RDB block 0 [ 609.386981][ T6550] ldm_validate_partition_table(): Disk read failed. [ 609.395181][ T6569] ldm_validate_partition_table(): Disk read failed. [ 609.403773][ T6608] ldm_validate_partition_table(): Disk read failed. [ 609.405694][ T6584] block nbd1111: shutting down sockets [ 609.415590][ T6233] Dev nbd1107: unable to read RDB block 0 [ 609.423460][ T6575] nbd1103: unable to read partition table [ 609.426997][ T6580] Dev nbd1104: unable to read RDB block 0 [ 609.430807][ T6617] ldm_validate_partition_table(): Disk read failed. [ 609.439755][ T6595] Dev nbd1108: unable to read RDB block 0 [ 609.456842][ T6588] ldm_validate_partition_table(): Disk read failed. [ 609.457174][ T6584] ldm_validate_partition_table(): Disk read failed. [ 609.465534][ T6550] Dev nbd1101: unable to read RDB block 0 [ 609.475820][ T6244] nbd1105: unable to read partition table [ 609.479212][ T6233] nbd1107: unable to read partition table [ 609.490879][ T6608] Dev nbd1100: unable to read RDB block 0 [ 609.492597][ T6613] ldm_validate_partition_table(): Disk read failed. [ 609.500089][ T6580] nbd1104: unable to read partition table [ 609.511451][ T6569] Dev nbd1110: unable to read RDB block 0 [ 609.511485][ T6595] nbd1108: unable to read partition table [ 609.525244][ T6588] Dev nbd1106: unable to read RDB block 0 [ 609.529661][ T6617] Dev nbd1109: unable to read RDB block 0 [ 609.535902][ T6550] nbd1101: unable to read partition table [ 609.547137][ T6608] nbd1100: unable to read partition table [ 609.559385][ T6569] nbd1110: unable to read partition table [ 609.560734][ T6233] ldm_validate_partition_table(): Disk read failed. [ 609.571543][ T6575] ldm_validate_partition_table(): Disk read failed. [ 609.577086][ T6588] nbd1106: unable to read partition table [ 609.580491][ T6584] Dev nbd1111: unable to read RDB block 0 [ 609.595845][ T6613] Dev nbd1102: unable to read RDB block 0 [ 609.603570][ T6617] nbd1109: unable to read partition table [ 609.606419][ T6233] Dev nbd1107: unable to read RDB block 0 [ 609.613771][ T6244] ldm_validate_partition_table(): Disk read failed. [ 609.625876][ T6608] block nbd1112: shutting down sockets [ 609.629541][ T6575] Dev nbd1103: unable to read RDB block 0 [ 609.640997][ T6569] ldm_validate_partition_table(): Disk read failed. [ 609.649629][ T6613] nbd1102: unable to read partition table [ 609.664259][ T6584] nbd1111: unable to read partition table [ 609.669049][ T6580] ldm_validate_partition_table(): Disk read failed. [ 609.674887][ T6617] ldm_validate_partition_table(): Disk read failed. [ 609.682079][ T6550] ldm_validate_partition_table(): Disk read failed. [ 609.685248][ T6244] Dev nbd1105: unable to read RDB block 0 [ 609.696196][ T6588] ldm_validate_partition_table(): Disk read failed. [ 609.699067][ T6569] Dev nbd1110: unable to read RDB block 0 [ 609.709908][ T6233] nbd1107: unable to read partition table [ 609.711398][ T6575] nbd1103: unable to read partition table [ 609.717728][ T6608] ldm_validate_partition_table(): Disk read failed. [ 609.728768][ T6595] ldm_validate_partition_table(): Disk read failed. [ 609.737236][ T6595] Dev nbd1108: unable to read RDB block 0 [ 609.737377][ T6584] ldm_validate_partition_table(): Disk read failed. [ 609.746631][ T6580] Dev nbd1104: unable to read RDB block 0 [ 609.756297][ T6244] nbd1105: unable to read partition table [ 609.768523][ T6617] Dev nbd1109: unable to read RDB block 0 [ 609.769232][ T6588] Dev nbd1106: unable to read RDB block 0 [ 609.776127][ T6617] nbd1109: unable to read partition table [ 609.781913][ T6550] Dev nbd1101: unable to read RDB block 0 [ 609.787721][ T6569] nbd1110: unable to read partition table [ 609.793933][ T6608] Dev nbd1112: unable to read RDB block 0 [ 609.804158][ T6613] ldm_validate_partition_table(): Disk read failed. [ 609.816201][ T6580] nbd1104: unable to read partition table [ 609.821622][ T6575] ldm_validate_partition_table(): Disk read failed. [ 609.824690][ T6595] nbd1108: unable to read partition table [ 609.830777][ T6584] Dev nbd1111: unable to read RDB block 0 [ 609.837142][ T6588] nbd1106: unable to read partition table [ 609.845160][ T6244] ldm_validate_partition_table(): Disk read failed. [ 609.849087][ T6550] nbd1101: unable to read partition table [ 609.859585][ T6613] Dev nbd1102: unable to read RDB block 0 [ 609.860706][ T6608] nbd1112: unable to read partition table [ 609.867299][ T6613] nbd1102: unable to read partition table [ 609.889457][ T6233] block nbd1113: shutting down sockets [ 609.899448][ T6575] Dev nbd1103: unable to read RDB block 0 [ 609.915836][ T6595] ldm_validate_partition_table(): Disk read failed. [ 609.924267][ T6233] ldm_validate_partition_table(): Disk read failed. [ 609.924909][ T6584] nbd1111: unable to read partition table [ 609.949579][ T6588] ldm_validate_partition_table(): Disk read failed. [ 609.961534][ T6244] Dev nbd1105: unable to read RDB block 0 [ 609.964947][ T6569] ldm_validate_partition_table(): Disk read failed. [ 609.970499][ T6580] block nbd1114: shutting down sockets [ 609.980106][ T6575] nbd1103: unable to read partition table [ 609.995439][ T6608] ldm_validate_partition_table(): Disk read failed. [ 610.006296][ T6595] Dev nbd1108: unable to read RDB block 0 [ 610.008583][ T6617] ldm_validate_partition_table(): Disk read failed. [ 610.013438][ T6233] Dev nbd1113: unable to read RDB block 0 [ 610.025566][ T6550] ldm_validate_partition_table(): Disk read failed. [ 610.027076][ T6613] ldm_validate_partition_table(): Disk read failed. [ 610.037224][ T6244] nbd1105: unable to read partition table [ 610.053880][ T6588] Dev nbd1106: unable to read RDB block 0 [ 610.055692][ T6569] Dev nbd1110: unable to read RDB block 0 [ 610.063095][ T6608] Dev nbd1112: unable to read RDB block 0 [ 610.070128][ T6580] ldm_validate_partition_table(): Disk read failed. [ 610.073736][ T6233] nbd1113: unable to read partition table [ 610.085989][ T6595] nbd1108: unable to read partition table [ 610.091555][ T6575] ldm_validate_partition_table(): Disk read failed. [ 610.094222][ T6550] Dev nbd1104: unable to read RDB block 0 [ 610.104480][ T9692] nbd1116: detected capacity change from 0 to 127 [ 610.109716][ T6588] nbd1106: unable to read partition table [ 610.112970][ T6617] Dev nbd1109: unable to read RDB block 0 [ 610.123649][ T6584] block nbd1115: shutting down sockets [ 610.131153][ T6613] Dev nbd1102: unable to read RDB block 0 [ 610.131675][ T6550] nbd1104: unable to read partition table [ 610.142596][ T6580] Dev nbd1114: unable to read RDB block 0 [ 610.150645][ T6608] nbd1112: unable to read partition table [ 610.154508][ T6569] nbd1110: unable to read partition table [ 610.163977][ T52] block nbd1116: Receive control failed (result -32) [ 610.164147][ T6233] ldm_validate_partition_table(): Disk read failed. [ 610.170930][ T6279] block nbd1116: Receive control failed (result -32) [ 610.192492][ T6584] ldm_validate_partition_table(): Disk read failed. executing program [ 610.201877][ T6575] Dev nbd1111: unable to read RDB block 0 [ 610.203562][ T6595] ldm_validate_partition_table(): Disk read failed. [ 610.211087][ T6613] nbd1102: unable to read partition table [ 610.224229][ T6575] nbd1111: unable to read partition table [ 610.224238][ T6617] nbd1109: unable to read partition table [ 610.234345][ T6580] nbd1114: unable to read partition table [ 610.242076][ T6569] ldm_validate_partition_table(): Disk read failed. [ 610.242867][ T6244] block nbd1116: shutting down sockets [ 610.249101][ T6584] Dev nbd1115: unable to read RDB block 0 [ 610.260980][ T9694] blk-mq: reduced tag depth (128 -> 64) [ 610.272233][ T6233] Dev nbd1113: unable to read RDB block 0 [ 610.276236][ T6569] Dev nbd1110: unable to read RDB block 0 [ 610.294793][ T6580] ldm_validate_partition_table(): Disk read failed. [ 610.298698][ T6617] ldm_validate_partition_table(): Disk read failed. [ 610.302647][ T6550] ldm_validate_partition_table(): Disk read failed. [ 610.309882][ T6233] nbd1113: unable to read partition table [ 610.317022][ T6580] Dev nbd1114: unable to read RDB block 0 [ 610.326853][ T6244] ldm_validate_partition_table(): Disk read failed. [ 610.328939][ T6550] Dev nbd1104: unable to read RDB block 0 [ 610.339749][ T6588] ldm_validate_partition_table(): Disk read failed. [ 610.342026][ T6580] nbd1114: unable to read partition table [ 610.349554][ T6595] Dev nbd1108: unable to read RDB block 0 [ 610.360173][ T6584] nbd1115: unable to read partition table [ 610.362743][ T6588] Dev nbd1112: unable to read RDB block 0 [ 610.373435][ T6244] Dev nbd1116: unable to read RDB block 0 [ 610.376910][ T6575] ldm_validate_partition_table(): Disk read failed. [ 610.389165][ T6617] Dev nbd1109: unable to read RDB block 0 [ 610.389840][ T6569] nbd1110: unable to read partition table [ 610.396918][ T6595] nbd1108: unable to read partition table [ 610.411108][ T6244] nbd1116: unable to read partition table [ 610.420335][ T6588] nbd1112: unable to read partition table [ 610.433236][ T6550] nbd1104: unable to read partition table [ 610.433442][ T6617] nbd1109: unable to read partition table [ 610.452209][ T6575] Dev nbd1111: unable to read RDB block 0 [ 610.454537][ T6244] ldm_validate_partition_table(): Disk read failed. [ 610.469941][ T6550] ldm_validate_partition_table(): Disk read failed. [ 610.470003][ T6584] ldm_validate_partition_table(): Disk read failed. [ 610.478465][ T6550] Dev nbd1113: unable to read RDB block 0 [ 610.490819][ T6244] Dev nbd1116: unable to read RDB block 0 [ 610.509349][ T6244] nbd1116: unable to read partition table [ 610.512201][ T6588] ldm_validate_partition_table(): Disk read failed. [ 610.517438][ T6550] nbd1113: unable to read partition table [ 610.524783][ T6575] nbd1111: unable to read partition table [ 610.536287][ T6580] ldm_validate_partition_table(): Disk read failed. [ 610.550304][ T6569] ldm_validate_partition_table(): Disk read failed. [ 610.560671][ T6584] Dev nbd1115: unable to read RDB block 0 [ 610.565053][ T6580] Dev nbd1114: unable to read RDB block 0 [ 610.569659][ T6588] Dev nbd1112: unable to read RDB block 0 [ 610.586622][ T6584] nbd1115: unable to read partition table [ 610.593144][ T6569] Dev nbd1110: unable to read RDB block 0 [ 610.600419][ T6233] ldm_validate_partition_table(): Disk read failed. [ 610.601429][ T6550] ldm_validate_partition_table(): Disk read failed. [ 610.615835][ T6580] nbd1114: unable to read partition table [ 610.618873][ T6588] nbd1112: unable to read partition table [ 610.629845][ T6569] nbd1110: unable to read partition table [ 610.637540][ T6244] ldm_validate_partition_table(): Disk read failed. [ 610.641207][ T6233] Dev nbd1116: unable to read RDB block 0 [ 610.649540][ T6244] Dev nbd1111: unable to read RDB block 0 [ 610.666533][ T6580] ldm_validate_partition_table(): Disk read failed. [ 610.676491][ T6550] Dev nbd1113: unable to read RDB block 0 [ 610.677741][ T6595] ldm_validate_partition_table(): Disk read failed. [ 610.689429][ T6233] nbd1116: unable to read partition table [ 610.690896][ T6569] ldm_validate_partition_table(): Disk read failed. [ 610.700789][ T6588] ldm_validate_partition_table(): Disk read failed. [ 610.703890][ T6244] nbd1111: unable to read partition table [ 610.716491][ T6595] Dev nbd1115: unable to read RDB block 0 [ 610.718994][ T6580] Dev nbd1114: unable to read RDB block 0 [ 610.729850][ T6550] nbd1113: unable to read partition table [ 610.734363][ T6595] nbd1115: unable to read partition table [ 610.737539][ T6569] Dev nbd1110: unable to read RDB block 0 [ 610.765469][ T6569] nbd1110: unable to read partition table [ 610.770258][ T6588] Dev nbd1112: unable to read RDB block 0 [ 610.771676][ T6580] nbd1114: unable to read partition table [ 610.777905][ T6233] ldm_validate_partition_table(): Disk read failed. [ 610.787599][ T6244] ldm_validate_partition_table(): Disk read failed. [ 610.791426][ T6588] nbd1112: unable to read partition table [ 610.810835][ T6595] ldm_validate_partition_table(): Disk read failed. [ 610.819738][ T6233] Dev nbd1116: unable to read RDB block 0 [ 610.820051][ T6550] ldm_validate_partition_table(): Disk read failed. [ 610.827323][ T6233] nbd1116: unable to read partition table [ 610.839546][ T6244] Dev nbd1111: unable to read RDB block 0 [ 610.842510][ T6595] Dev nbd1115: unable to read RDB block 0 [ 610.860988][ T6244] nbd1111: unable to read partition table [ 610.863520][ T6588] ldm_validate_partition_table(): Disk read failed. [ 610.869804][ T6569] ldm_validate_partition_table(): Disk read failed. [ 610.876704][ T6595] nbd1115: unable to read partition table [ 610.883077][ T6550] Dev nbd1113: unable to read RDB block 0 [ 610.905741][ T6569] Dev nbd1114: unable to read RDB block 0 [ 610.914270][ T6588] Dev nbd1112: unable to read RDB block 0 [ 610.919771][ T6550] nbd1113: unable to read partition table [ 610.934943][ T6244] ldm_validate_partition_table(): Disk read failed. [ 610.945058][ T6588] nbd1112: unable to read partition table [ 610.949875][ T6569] nbd1114: unable to read partition table [ 610.962464][ T6550] ldm_validate_partition_table(): Disk read failed. [ 610.964558][ T6233] ldm_validate_partition_table(): Disk read failed. [ 610.974903][ T6244] Dev nbd1116: unable to read RDB block 0 [ 610.983978][ T6550] Dev nbd1113: unable to read RDB block 0 [ 610.990539][ T9694] nbd1117: detected capacity change from 0 to 127 [ 610.997534][ T6569] ldm_validate_partition_table(): Disk read failed. [ 611.006145][ T6244] nbd1116: unable to read partition table executing program [ 611.013791][ T52] block nbd1117: Receive control failed (result -104) [ 611.013818][ T6279] block nbd1117: Receive control failed (result -32) [ 611.031383][ T6550] nbd1113: unable to read partition table [ 611.039662][ T6569] Dev nbd1114: unable to read RDB block 0 [ 611.044246][ T9696] blk-mq: reduced tag depth (128 -> 64) [ 611.050711][ T6569] nbd1114: unable to read partition table [ 611.052781][ T6233] Dev nbd1115: unable to read RDB block 0 [ 611.080494][ T6244] ldm_validate_partition_table(): Disk read failed. [ 611.099226][ T6233] nbd1115: unable to read partition table [ 611.100671][ T6244] Dev nbd1116: unable to read RDB block 0 [ 611.128084][ T6244] nbd1116: unable to read partition table [ 611.134695][ T6233] ldm_validate_partition_table(): Disk read failed. [ 611.144691][ T6233] Dev nbd1115: unable to read RDB block 0 [ 611.152084][ T6233] nbd1115: unable to read partition table executing program [ 611.328006][ T9696] nbd1118: detected capacity change from 0 to 127 [ 611.336716][ T52] block nbd1118: Receive control failed (result -104) [ 611.338007][ T6279] block nbd1118: Receive control failed (result -32) [ 611.364210][ T9698] FAULT_INJECTION: forcing a failure. [ 611.364210][ T9698] name failslab, interval 1, probability 0, space 0, times 0 [ 611.377633][ T9698] CPU: 1 UID: 0 PID: 9698 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 611.377659][ T9698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 611.377670][ T9698] Call Trace: [ 611.377691][ T9698] [ 611.377700][ T9698] dump_stack_lvl+0x189/0x250 [ 611.377722][ T9698] ? __pfx____ratelimit+0x10/0x10 [ 611.377749][ T9698] ? __pfx_dump_stack_lvl+0x10/0x10 [ 611.377764][ T9698] ? __pfx__printk+0x10/0x10 [ 611.377790][ T9698] ? __pfx___might_resched+0x10/0x10 [ 611.377810][ T9698] ? fs_reclaim_acquire+0x7d/0x100 [ 611.377836][ T9698] should_fail_ex+0x414/0x560 [ 611.377862][ T9698] should_failslab+0xa8/0x100 [ 611.377887][ T9698] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 611.377910][ T9698] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 611.377933][ T9698] ? __init_waitqueue_head+0xa9/0x150 [ 611.377954][ T9698] sbitmap_queue_init_node+0x1dc/0x4d0 [ 611.377977][ T9698] blk_mq_init_tags+0x1b9/0x2f0 [ 611.378000][ T9698] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 611.378016][ T9698] ? blk_mq_map_queues+0x3ff/0x4a0 [ 611.378031][ T9698] ? kfree+0x19a/0x6d0 [ 611.378055][ T9698] ? blk_mq_map_queues+0x3ff/0x4a0 [ 611.378076][ T9698] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 611.378106][ T9698] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 611.378128][ T9698] nbd_dev_add+0x2d7/0xae0 [ 611.378143][ T9698] ? __pfx_nbd_dev_add+0x10/0x10 [ 611.378170][ T9698] nbd_genl_connect+0x919/0x18f0 [ 611.378186][ T9698] ? __pfx_nbd_genl_connect+0x10/0x10 [ 611.378199][ T9698] ? rcu_is_watching+0x15/0xb0 [ 611.378216][ T9698] ? __nla_parse+0x40/0x60 [ 611.378232][ T9698] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 611.378253][ T9698] genl_family_rcv_msg_doit+0x215/0x300 [ 611.378272][ T9698] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 611.378295][ T9698] ? stack_trace_save+0x9c/0xe0 [ 611.378308][ T9698] genl_rcv_msg+0x60e/0x790 [ 611.378326][ T9698] ? __pfx_genl_rcv_msg+0x10/0x10 [ 611.378341][ T9698] ? __pfx_nbd_genl_connect+0x10/0x10 [ 611.378359][ T9698] netlink_rcv_skb+0x208/0x470 [ 611.378370][ T9698] ? __lock_acquire+0xab9/0xd20 [ 611.378383][ T9698] ? __pfx_genl_rcv_msg+0x10/0x10 [ 611.378399][ T9698] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 611.378421][ T9698] ? down_read+0x1ad/0x2e0 [ 611.378438][ T9698] genl_rcv+0x28/0x40 [ 611.378452][ T9698] netlink_unicast+0x82f/0x9e0 [ 611.378468][ T9698] ? __pfx_netlink_unicast+0x10/0x10 [ 611.378480][ T9698] ? netlink_sendmsg+0x642/0xb30 [ 611.378491][ T9698] ? skb_put+0x11b/0x210 [ 611.378506][ T9698] netlink_sendmsg+0x805/0xb30 [ 611.378524][ T9698] ? __pfx_netlink_sendmsg+0x10/0x10 [ 611.378539][ T9698] ? aa_sock_msg_perm+0xf1/0x1d0 [ 611.378551][ T9698] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 611.378567][ T9698] ? __pfx_netlink_sendmsg+0x10/0x10 [ 611.378580][ T9698] __sock_sendmsg+0x21c/0x270 [ 611.378593][ T9698] ____sys_sendmsg+0x505/0x830 [ 611.378611][ T9698] ? __pfx_____sys_sendmsg+0x10/0x10 [ 611.378630][ T9698] ? import_iovec+0x74/0xa0 [ 611.378641][ T9698] ___sys_sendmsg+0x21f/0x2a0 [ 611.378657][ T9698] ? __pfx____sys_sendmsg+0x10/0x10 [ 611.378681][ T9698] ? rcu_read_lock_any_held+0xb3/0x120 [ 611.378703][ T9698] ? sb_end_write+0xe9/0x1c0 [ 611.378723][ T9698] ? __pfx_vfs_write+0x10/0x10 [ 611.378744][ T9698] __x64_sys_sendmsg+0x19b/0x260 [ 611.378760][ T9698] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 611.378779][ T9698] ? __pfx_ksys_write+0x10/0x10 [ 611.378791][ T9698] ? do_syscall_64+0xbe/0xfa0 [ 611.378807][ T9698] do_syscall_64+0xfa/0xfa0 [ 611.378819][ T9698] ? lockdep_hardirqs_on+0x9c/0x150 [ 611.378833][ T9698] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 611.378843][ T9698] ? clear_bhb_loop+0x60/0xb0 [ 611.378856][ T9698] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 611.378865][ T9698] RIP: 0033:0x7f497562bba9 [ 611.378876][ T9698] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 611.378885][ T9698] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 611.378898][ T9698] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 611.378906][ T9698] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 611.378913][ T9698] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 611.378920][ T9698] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 611.378928][ T9698] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 611.378945][ T9698] [ 611.809180][ T9698] blk-mq: reduced tag depth (128 -> 64) executing program [ 612.067962][ T9698] nbd1119: detected capacity change from 0 to 127 [ 612.081640][ T6279] block nbd1119: Receive control failed (result -104) [ 612.081646][ T52] block nbd1119: Receive control failed (result -32) [ 612.100212][ T9700] blk-mq: reduced tag depth (128 -> 64) executing program [ 612.377901][ T9700] nbd1120: detected capacity change from 0 to 127 [ 612.386571][ T6279] block nbd1120: Receive control failed (result -32) [ 612.386574][ T52] block nbd1120: Receive control failed (result -104) [ 612.411312][ T9702] blk-mq: reduced tag depth (128 -> 64) executing program [ 612.668139][ T9702] nbd1121: detected capacity change from 0 to 127 [ 612.676805][ T6279] block nbd1121: Receive control failed (result -32) [ 612.676808][ T52] block nbd1121: Receive control failed (result -32) [ 612.685856][ T6233] block nbd1121: Send control failed (result -32) [ 612.702143][ T6233] block nbd1121: Request send failed, requeueing [ 612.705838][ T9704] blk-mq: reduced tag depth (128 -> 64) [ 612.710481][ T9145] find_fallback: 13 callbacks suppressed [ 612.710500][ T9145] block nbd1121: Dead connection, failed to find a fallback [ 612.729145][ T9145] block nbd1121: shutting down sockets [ 612.734722][ T9145] blk_print_req_error: 13351 callbacks suppressed [ 612.734738][ T9145] I/O error, dev nbd1121, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.750934][ T9145] buffer_io_error: 13349 callbacks suppressed [ 612.750951][ T9145] Buffer I/O error on dev nbd1121, logical block 0, async page read [ 612.751394][ T6233] I/O error, dev nbd1121, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.774623][ T6233] Buffer I/O error on dev nbd1121, logical block 1, async page read [ 612.782871][ T6233] I/O error, dev nbd1121, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.792382][ T6233] Buffer I/O error on dev nbd1121, logical block 2, async page read [ 612.800584][ T6233] I/O error, dev nbd1121, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.809932][ T6233] Buffer I/O error on dev nbd1121, logical block 3, async page read [ 612.818836][ T6233] I/O error, dev nbd1121, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.828760][ T6233] Buffer I/O error on dev nbd1121, logical block 0, async page read [ 612.836956][ T6233] I/O error, dev nbd1121, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.846543][ T6233] Buffer I/O error on dev nbd1121, logical block 1, async page read [ 612.854737][ T6233] I/O error, dev nbd1121, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.864153][ T6233] Buffer I/O error on dev nbd1121, logical block 2, async page read [ 612.872374][ T6233] I/O error, dev nbd1121, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.881905][ T6233] Buffer I/O error on dev nbd1121, logical block 3, async page read [ 612.890143][ T6233] I/O error, dev nbd1121, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.899500][ T6233] Buffer I/O error on dev nbd1121, logical block 0, async page read [ 612.907618][ T6233] I/O error, dev nbd1121, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 612.923876][ T6233] Buffer I/O error on dev nbd1121, logical block 1, async page read [ 612.933607][ T6233] ldm_validate_partition_table(): Disk read failed. [ 612.941751][ T6233] Dev nbd1121: unable to read RDB block 0 [ 612.948824][ T6233] nbd1121: unable to read partition table [ 612.961787][ T6233] ldm_validate_partition_table(): Disk read failed. [ 612.969540][ T6233] Dev nbd1121: unable to read RDB block 0 [ 612.976441][ T6233] nbd1121: unable to read partition table executing program [ 613.137992][ T9704] nbd1122: detected capacity change from 0 to 127 [ 613.146602][ T52] block nbd1122: Receive control failed (result -104) [ 613.146604][ T6279] block nbd1122: Receive control failed (result -32) [ 613.169687][ T9706] blk-mq: reduced tag depth (128 -> 64) executing program [ 613.438070][ T9706] nbd1123: detected capacity change from 0 to 127 [ 613.447062][ T6279] block nbd1123: Receive control failed (result -32) [ 613.447062][ T52] block nbd1123: Receive control failed (result -104) [ 613.469570][ T9708] blk-mq: reduced tag depth (128 -> 64) executing program [ 613.748012][ T9708] nbd1124: detected capacity change from 0 to 127 [ 613.756976][ T6279] block nbd1124: Receive control failed (result -104) [ 613.756976][ T52] block nbd1124: Receive control failed (result -32) [ 613.775580][ T9710] blk-mq: reduced tag depth (128 -> 64) executing program [ 614.047945][ T9710] nbd1125: detected capacity change from 0 to 127 [ 614.056608][ T6279] block nbd1125: Receive control failed (result -104) [ 614.056616][ T52] block nbd1125: Receive control failed (result -32) [ 614.081272][ T9712] blk-mq: reduced tag depth (128 -> 64) executing program [ 614.358168][ T9712] nbd1126: detected capacity change from 0 to 127 [ 614.366883][ T52] block nbd1126: Receive control failed (result -104) [ 614.366887][ T6279] block nbd1126: Receive control failed (result -32) [ 614.385324][ T9714] blk-mq: reduced tag depth (128 -> 64) executing program [ 614.648122][ T9714] nbd1127: detected capacity change from 0 to 127 [ 614.657262][ T52] block nbd1127: Receive control failed (result -32) [ 614.657262][ T6279] block nbd1127: Receive control failed (result -104) [ 614.680504][ T9716] blk-mq: reduced tag depth (128 -> 64) executing program [ 614.948077][ T9716] nbd1128: detected capacity change from 0 to 127 [ 614.956754][ T6279] block nbd1128: Receive control failed (result -32) [ 614.956754][ T52] block nbd1128: Receive control failed (result -104) executing program [ 615.318397][ T9718] nbd1129: detected capacity change from 0 to 127 [ 615.327123][ T6279] block nbd1129: Receive control failed (result -104) [ 615.328333][ T52] block nbd1129: Receive control failed (result -32) [ 615.348363][ T9720] blk-mq: reduced tag depth (128 -> 64) executing program [ 615.607913][ T9720] nbd1130: detected capacity change from 0 to 127 [ 615.616224][ T6279] block nbd1130: Receive control failed (result -32) [ 615.617378][ T52] block nbd1130: Receive control failed (result -32) [ 615.637300][ T9722] FAULT_INJECTION: forcing a failure. [ 615.637300][ T9722] name failslab, interval 1, probability 0, space 0, times 0 [ 615.650002][ T9722] CPU: 0 UID: 0 PID: 9722 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 615.650026][ T9722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 615.650035][ T9722] Call Trace: [ 615.650042][ T9722] [ 615.650047][ T9722] dump_stack_lvl+0x189/0x250 [ 615.650062][ T9722] ? __pfx____ratelimit+0x10/0x10 [ 615.650077][ T9722] ? __pfx_dump_stack_lvl+0x10/0x10 [ 615.650087][ T9722] ? __pfx__printk+0x10/0x10 [ 615.650104][ T9722] ? __pfx___might_resched+0x10/0x10 [ 615.650118][ T9722] ? fs_reclaim_acquire+0x7d/0x100 [ 615.650136][ T9722] should_fail_ex+0x414/0x560 [ 615.650151][ T9722] should_failslab+0xa8/0x100 [ 615.650168][ T9722] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 615.650184][ T9722] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 615.650199][ T9722] ? __init_waitqueue_head+0xa9/0x150 [ 615.650212][ T9722] sbitmap_queue_init_node+0x1dc/0x4d0 [ 615.650231][ T9722] blk_mq_init_tags+0x1b9/0x2f0 [ 615.650248][ T9722] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 615.650259][ T9722] ? blk_mq_map_queues+0x3ff/0x4a0 [ 615.650268][ T9722] ? kfree+0x19a/0x6d0 [ 615.650284][ T9722] ? blk_mq_map_queues+0x3ff/0x4a0 [ 615.650296][ T9722] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 615.650314][ T9722] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 615.650333][ T9722] nbd_dev_add+0x2d7/0xae0 [ 615.650348][ T9722] ? __pfx_nbd_dev_add+0x10/0x10 [ 615.650375][ T9722] nbd_genl_connect+0x919/0x18f0 [ 615.650391][ T9722] ? __pfx_nbd_genl_connect+0x10/0x10 [ 615.650405][ T9722] ? rcu_is_watching+0x15/0xb0 [ 615.650421][ T9722] ? __nla_parse+0x40/0x60 [ 615.650436][ T9722] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 615.650458][ T9722] genl_family_rcv_msg_doit+0x215/0x300 [ 615.650477][ T9722] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 615.650500][ T9722] ? stack_trace_save+0x9c/0xe0 [ 615.650514][ T9722] genl_rcv_msg+0x60e/0x790 [ 615.650532][ T9722] ? __pfx_genl_rcv_msg+0x10/0x10 [ 615.650546][ T9722] ? __pfx_nbd_genl_connect+0x10/0x10 [ 615.650564][ T9722] netlink_rcv_skb+0x208/0x470 [ 615.650575][ T9722] ? __lock_acquire+0xab9/0xd20 [ 615.650589][ T9722] ? __pfx_genl_rcv_msg+0x10/0x10 [ 615.650604][ T9722] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 615.650626][ T9722] ? down_read+0x1ad/0x2e0 [ 615.650643][ T9722] genl_rcv+0x28/0x40 [ 615.650657][ T9722] netlink_unicast+0x82f/0x9e0 [ 615.650673][ T9722] ? __pfx_netlink_unicast+0x10/0x10 [ 615.650685][ T9722] ? netlink_sendmsg+0x642/0xb30 [ 615.650697][ T9722] ? skb_put+0x11b/0x210 [ 615.650712][ T9722] netlink_sendmsg+0x805/0xb30 [ 615.650730][ T9722] ? __pfx_netlink_sendmsg+0x10/0x10 [ 615.650745][ T9722] ? aa_sock_msg_perm+0xf1/0x1d0 [ 615.650757][ T9722] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 615.650772][ T9722] ? __pfx_netlink_sendmsg+0x10/0x10 [ 615.650786][ T9722] __sock_sendmsg+0x21c/0x270 [ 615.650798][ T9722] ____sys_sendmsg+0x505/0x830 [ 615.650816][ T9722] ? __pfx_____sys_sendmsg+0x10/0x10 [ 615.650834][ T9722] ? import_iovec+0x74/0xa0 [ 615.650846][ T9722] ___sys_sendmsg+0x21f/0x2a0 [ 615.650874][ T9722] ? __pfx____sys_sendmsg+0x10/0x10 [ 615.650892][ T9722] ? rcu_read_lock_any_held+0xb3/0x120 [ 615.650914][ T9722] ? sb_end_write+0xe9/0x1c0 [ 615.650934][ T9722] ? __pfx_vfs_write+0x10/0x10 [ 615.650955][ T9722] __x64_sys_sendmsg+0x19b/0x260 [ 615.650971][ T9722] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 615.650994][ T9722] ? __pfx_ksys_write+0x10/0x10 [ 615.651005][ T9722] ? do_syscall_64+0xbe/0xfa0 [ 615.651021][ T9722] do_syscall_64+0xfa/0xfa0 [ 615.651034][ T9722] ? lockdep_hardirqs_on+0x9c/0x150 [ 615.651047][ T9722] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.651057][ T9722] ? clear_bhb_loop+0x60/0xb0 [ 615.651070][ T9722] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.651080][ T9722] RIP: 0033:0x7f497562bba9 [ 615.651091][ T9722] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 615.651100][ T9722] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 615.651113][ T9722] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 615.651121][ T9722] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 615.651129][ T9722] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 615.651136][ T9722] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 615.651143][ T9722] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 615.651160][ T9722] [ 615.651313][ T9722] blk-mq: reduced tag depth (128 -> 64) executing program [ 616.397997][ T9722] nbd1131: detected capacity change from 0 to 127 [ 616.406029][ T6279] block nbd1131: Receive control failed (result -32) [ 616.406030][ T52] block nbd1131: Receive control failed (result -32) [ 616.425918][ T9724] blk-mq: reduced tag depth (128 -> 64) executing program [ 616.697935][ T9724] nbd1132: detected capacity change from 0 to 127 [ 616.706938][ T52] block nbd1132: Receive control failed (result -32) [ 616.706938][ T6279] block nbd1132: Receive control failed (result -32) [ 616.725638][ T9726] blk-mq: reduced tag depth (128 -> 64) executing program [ 617.027971][ T9726] nbd1133: detected capacity change from 0 to 127 [ 617.036351][ T6279] block nbd1133: Receive control failed (result -32) [ 617.036511][ T52] block nbd1133: Receive control failed (result -32) [ 617.067108][ T9728] blk-mq: reduced tag depth (128 -> 64) executing program [ 617.347947][ T9728] nbd1134: detected capacity change from 0 to 127 [ 617.355910][ T6279] block nbd1134: Receive control failed (result -32) [ 617.355910][ T52] block nbd1134: Receive control failed (result -32) [ 617.383454][ T9730] blk-mq: reduced tag depth (128 -> 64) executing program [ 617.647978][ T9730] nbd1135: detected capacity change from 0 to 127 [ 617.656297][ T6279] block nbd1135: Receive control failed (result -32) [ 617.656300][ T52] block nbd1135: Receive control failed (result -32) [ 617.675504][ T9732] blk-mq: reduced tag depth (128 -> 64) executing program [ 617.938062][ T9732] nbd1136: detected capacity change from 0 to 127 [ 617.946151][ T6279] block nbd1136: Receive control failed (result -32) [ 617.946151][ T52] block nbd1136: Receive control failed (result -32) [ 617.966213][ T9734] blk-mq: reduced tag depth (128 -> 64) executing program [ 618.247944][ T9734] nbd1137: detected capacity change from 0 to 127 [ 618.256178][ T52] block nbd1137: Receive control failed (result -32) [ 618.257358][ T6279] block nbd1137: Receive control failed (result -32) [ 618.277048][ T9736] FAULT_INJECTION: forcing a failure. [ 618.277048][ T9736] name failslab, interval 1, probability 0, space 0, times 0 [ 618.289800][ T9736] CPU: 0 UID: 0 PID: 9736 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) [ 618.289816][ T9736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 618.289822][ T9736] Call Trace: [ 618.289827][ T9736] [ 618.289832][ T9736] dump_stack_lvl+0x189/0x250 [ 618.289848][ T9736] ? __pfx____ratelimit+0x10/0x10 [ 618.289862][ T9736] ? __pfx_dump_stack_lvl+0x10/0x10 [ 618.289872][ T9736] ? __pfx__printk+0x10/0x10 [ 618.289890][ T9736] ? __pfx___might_resched+0x10/0x10 [ 618.289903][ T9736] ? fs_reclaim_acquire+0x7d/0x100 [ 618.289921][ T9736] should_fail_ex+0x414/0x560 [ 618.289936][ T9736] should_failslab+0xa8/0x100 [ 618.289956][ T9736] __kmalloc_cache_node_noprof+0x74/0x6f0 [ 618.289971][ T9736] ? sbitmap_queue_init_node+0x1dc/0x4d0 [ 618.289986][ T9736] ? __init_waitqueue_head+0xa9/0x150 [ 618.289999][ T9736] sbitmap_queue_init_node+0x1dc/0x4d0 [ 618.290017][ T9736] blk_mq_init_tags+0x1b9/0x2f0 [ 618.290034][ T9736] blk_mq_alloc_map_and_rqs+0xc2/0xa00 [ 618.290045][ T9736] ? blk_mq_map_queues+0x3ff/0x4a0 [ 618.290054][ T9736] ? kfree+0x19a/0x6d0 [ 618.290070][ T9736] ? blk_mq_map_queues+0x3ff/0x4a0 [ 618.290082][ T9736] blk_mq_alloc_set_map_and_rqs+0x1a2/0x810 [ 618.290100][ T9736] blk_mq_alloc_tag_set+0x89d/0xfc0 [ 618.290119][ T9736] nbd_dev_add+0x2d7/0xae0 [ 618.290134][ T9736] ? __pfx_nbd_dev_add+0x10/0x10 [ 618.290161][ T9736] nbd_genl_connect+0x919/0x18f0 [ 618.290176][ T9736] ? __pfx_nbd_genl_connect+0x10/0x10 [ 618.290190][ T9736] ? rcu_is_watching+0x15/0xb0 [ 618.290206][ T9736] ? __nla_parse+0x40/0x60 [ 618.290222][ T9736] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 618.290243][ T9736] genl_family_rcv_msg_doit+0x215/0x300 [ 618.290262][ T9736] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 618.290285][ T9736] ? stack_trace_save+0x9c/0xe0 [ 618.290298][ T9736] genl_rcv_msg+0x60e/0x790 [ 618.290316][ T9736] ? __pfx_genl_rcv_msg+0x10/0x10 [ 618.290331][ T9736] ? __pfx_nbd_genl_connect+0x10/0x10 [ 618.290348][ T9736] netlink_rcv_skb+0x208/0x470 [ 618.290360][ T9736] ? __lock_acquire+0xab9/0xd20 [ 618.290372][ T9736] ? __pfx_genl_rcv_msg+0x10/0x10 [ 618.290388][ T9736] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 618.290410][ T9736] ? down_read+0x1ad/0x2e0 [ 618.290427][ T9736] genl_rcv+0x28/0x40 [ 618.290441][ T9736] netlink_unicast+0x82f/0x9e0 [ 618.290456][ T9736] ? __pfx_netlink_unicast+0x10/0x10 [ 618.290468][ T9736] ? netlink_sendmsg+0x642/0xb30 [ 618.290480][ T9736] ? skb_put+0x11b/0x210 [ 618.290495][ T9736] netlink_sendmsg+0x805/0xb30 [ 618.290512][ T9736] ? __pfx_netlink_sendmsg+0x10/0x10 [ 618.290527][ T9736] ? aa_sock_msg_perm+0xf1/0x1d0 [ 618.290538][ T9736] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 618.290554][ T9736] ? __pfx_netlink_sendmsg+0x10/0x10 [ 618.290567][ T9736] __sock_sendmsg+0x21c/0x270 [ 618.290593][ T9736] ____sys_sendmsg+0x505/0x830 [ 618.290611][ T9736] ? __pfx_____sys_sendmsg+0x10/0x10 [ 618.290630][ T9736] ? import_iovec+0x74/0xa0 [ 618.290642][ T9736] ___sys_sendmsg+0x21f/0x2a0 [ 618.290658][ T9736] ? __pfx____sys_sendmsg+0x10/0x10 [ 618.290675][ T9736] ? rcu_read_lock_any_held+0xb3/0x120 [ 618.290697][ T9736] ? sb_end_write+0xe9/0x1c0 [ 618.290721][ T9736] ? __pfx_vfs_write+0x10/0x10 [ 618.290742][ T9736] __x64_sys_sendmsg+0x19b/0x260 [ 618.290757][ T9736] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 618.290777][ T9736] ? __pfx_ksys_write+0x10/0x10 [ 618.290788][ T9736] ? do_syscall_64+0xbe/0xfa0 [ 618.290804][ T9736] do_syscall_64+0xfa/0xfa0 [ 618.290817][ T9736] ? lockdep_hardirqs_on+0x9c/0x150 [ 618.290830][ T9736] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 618.290840][ T9736] ? clear_bhb_loop+0x60/0xb0 [ 618.290853][ T9736] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 618.290863][ T9736] RIP: 0033:0x7f497562bba9 [ 618.290874][ T9736] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1c 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 [ 618.290882][ T9736] RSP: 002b:00007ffef728d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 618.290894][ T9736] RAX: ffffffffffffffda RBX: 00007ffef728d7e0 RCX: 00007f497562bba9 [ 618.290902][ T9736] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000003 [ 618.290910][ T9736] RBP: 0000000000000002 R08: 00007ffef728d566 R09: 00000000000000a0 [ 618.290917][ T9736] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffef728d7dc [ 618.290924][ T9736] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 618.290941][ T9736] [ 618.291087][ T9736] blk-mq: reduced tag depth (128 -> 64) executing program [ 618.997944][ T9736] nbd1138: detected capacity change from 0 to 127 [ 619.005988][ T52] block nbd1138: Receive control failed (result -32) [ 619.007144][ T6279] block nbd1138: Receive control failed (result -32) executing program [ 619.277906][ T9738] nbd1139: detected capacity change from 0 to 127 [ 619.286543][ T6279] block nbd1139: Receive control failed (result -32) [ 619.286543][ T52] block nbd1139: Receive control failed (result -32) executing program [ 619.567984][ T9740] nbd1140: detected capacity change from 0 to 127 [ 619.576717][ T52] block nbd1140: Receive control failed (result -32) [ 619.576723][ T6279] block nbd1140: Receive control failed (result -32) [ 619.595493][ T9742] blk-mq: reduced tag depth (128 -> 64)