Warning: Permanently added '10.128.0.115' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 187.143342][ C1] hrtimer: interrupt took 29949 ns [ 187.163926][ T6545] loop7: detected capacity change from 0 to 1036 executing program [ 187.402598][ T6553] loop7: detected capacity change from 0 to 1036 executing program [ 187.564250][ T6560] loop7: detected capacity change from 0 to 1036 executing program [ 187.744792][ T6568] loop7: detected capacity change from 0 to 1036 executing program executing program [ 187.951573][ T6581] loop7: detected capacity change from 0 to 1036 executing program executing program executing program [ 188.266132][ T50] blk_update_request: I/O error, dev loop7, sector 640 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.278009][ T50] Buffer I/O error on dev loop7, logical block 80, lost async page write [ 188.286575][ T50] blk_update_request: I/O error, dev loop7, sector 648 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.297924][ T50] Buffer I/O error on dev loop7, logical block 81, lost async page write [ 188.306412][ T50] blk_update_request: I/O error, dev loop7, sector 656 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.317790][ T50] Buffer I/O error on dev loop7, logical block 82, lost async page write [ 188.326209][ T50] blk_update_request: I/O error, dev loop7, sector 664 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.337557][ T50] Buffer I/O error on dev loop7, logical block 83, lost async page write [ 188.346010][ T50] blk_update_request: I/O error, dev loop7, sector 672 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.357382][ T50] Buffer I/O error on dev loop7, logical block 84, lost async page write [ 188.365815][ T50] blk_update_request: I/O error, dev loop7, sector 680 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.377747][ T50] Buffer I/O error on dev loop7, logical block 85, lost async page write [ 188.386180][ T50] blk_update_request: I/O error, dev loop7, sector 688 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.397522][ T50] Buffer I/O error on dev loop7, logical block 86, lost async page write [ 188.405949][ T50] blk_update_request: I/O error, dev loop7, sector 696 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.417296][ T50] Buffer I/O error on dev loop7, logical block 87, lost async page write [ 188.425726][ T50] blk_update_request: I/O error, dev loop7, sector 704 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.437088][ T50] Buffer I/O error on dev loop7, logical block 88, lost async page write executing program [ 188.468312][ T108] blk_update_request: I/O error, dev loop7, sector 712 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 188.479894][ T108] Buffer I/O error on dev loop7, logical block 89, lost async page write [ 188.512409][ T6597] loop7: detected capacity change from 0 to 1036 executing program [ 188.672439][ T6604] loop7: detected capacity change from 0 to 1036 executing program [ 188.892619][ T6611] loop7: detected capacity change from 0 to 1036 executing program executing program [ 189.164681][ T6624] loop7: detected capacity change from 0 to 1036 executing program [ 189.388797][ T6631] loop7: detected capacity change from 0 to 1036 executing program [ 189.526061][ T6640] loop7: detected capacity change from 0 to 1036 executing program executing program [ 189.737789][ T6647] loop7: detected capacity change from 0 to 1036 executing program [ 189.888881][ T6655] loop7: detected capacity change from 0 to 1036 executing program [ 190.094833][ T6663] loop7: detected capacity change from 0 to 1036 executing program [ 190.237627][ T6671] loop7: detected capacity change from 0 to 1036 executing program [ 190.359620][ T6681] loop7: detected capacity change from 0 to 1036 executing program [ 190.497866][ T6688] loop7: detected capacity change from 0 to 1036 executing program [ 190.667250][ T6696] loop7: detected capacity change from 0 to 1036 executing program executing program [ 190.901725][ T6704] loop7: detected capacity change from 0 to 1036 executing program executing program [ 191.153182][ T6716] loop7: detected capacity change from 0 to 1036 executing program executing program [ 191.359812][ T6726] loop7: detected capacity change from 0 to 1036 executing program [ 191.511902][ T6731] loop7: detected capacity change from 0 to 1036 executing program [ 191.680869][ T6738] loop7: detected capacity change from 0 to 1036 executing program [ 191.829218][ T6746] loop7: detected capacity change from 0 to 1036 executing program executing program [ 192.091494][ T6756] loop7: detected capacity change from 0 to 1036 executing program [ 192.244192][ T6763] loop7: detected capacity change from 0 to 1036 executing program executing program [ 192.519761][ T6776] loop7: detected capacity change from 0 to 1036 executing program executing program [ 192.716559][ T6786] loop7: detected capacity change from 0 to 1036 executing program [ 192.906566][ T6792] loop7: detected capacity change from 0 to 1036 executing program [ 193.086599][ T6802] loop7: detected capacity change from 0 to 1036 executing program [ 193.254253][ T6808] loop7: detected capacity change from 0 to 1036 executing program executing program [ 193.451707][ T6820] loop7: detected capacity change from 0 to 1036 executing program [ 193.650818][ T6828] loop7: detected capacity change from 0 to 1036 executing program [ 193.852332][ T108] print_req_error: 24 callbacks suppressed [ 193.852349][ T108] blk_update_request: I/O error, dev loop7, sector 768 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 193.869589][ T108] buffer_io_error: 22 callbacks suppressed [ 193.869603][ T108] Buffer I/O error on dev loop7, logical block 96, lost async page write [ 193.883899][ T108] blk_update_request: I/O error, dev loop7, sector 776 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 193.895248][ T108] Buffer I/O error on dev loop7, logical block 97, lost async page write [ 193.903746][ T108] blk_update_request: I/O error, dev loop7, sector 784 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 193.915139][ T108] Buffer I/O error on dev loop7, logical block 98, lost async page write [ 193.923639][ T108] blk_update_request: I/O error, dev loop7, sector 792 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 193.934984][ T108] Buffer I/O error on dev loop7, logical block 99, lost async page write [ 193.943471][ T108] blk_update_request: I/O error, dev loop7, sector 800 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 193.954865][ T108] Buffer I/O error on dev loop7, logical block 100, lost async page write [ 193.963431][ T108] blk_update_request: I/O error, dev loop7, sector 808 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 193.974776][ T108] Buffer I/O error on dev loop7, logical block 101, lost async page write [ 193.983359][ T108] blk_update_request: I/O error, dev loop7, sector 816 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 193.994713][ T108] Buffer I/O error on dev loop7, logical block 102, lost async page write [ 194.003311][ T108] blk_update_request: I/O error, dev loop7, sector 824 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 194.014653][ T108] Buffer I/O error on dev loop7, logical block 103, lost async page write [ 194.023226][ T108] blk_update_request: I/O error, dev loop7, sector 832 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 194.034573][ T108] Buffer I/O error on dev loop7, logical block 104, lost async page write [ 194.043161][ T108] blk_update_request: I/O error, dev loop7, sector 840 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0 [ 194.054524][ T108] Buffer I/O error on dev loop7, logical block 105, lost async page write executing program [ 194.131888][ T6839] loop7: detected capacity change from 0 to 1036 executing program [ 194.345289][ T6846] loop7: detected capacity change from 0 to 1036 executing program [ 194.495712][ T6852] loop7: detected capacity change from 0 to 1036 executing program [ 194.676948][ T6860] loop7: detected capacity change from 0 to 1036 executing program executing program [ 194.910795][ T6870] loop7: detected capacity change from 0 to 1036 executing program [ 195.066177][ T6880] loop7: detected capacity change from 0 to 1036 executing program executing program executing program executing program [ 195.444813][ T6895] loop7: detected capacity change from 0 to 1036 executing program [ 195.644897][ T6901] loop7: detected capacity change from 0 to 1036 executing program executing program executing program [ 195.871807][ T6916] loop7: detected capacity change from 0 to 1036 executing program executing program [ 196.079795][ T6928] loop7: detected capacity change from 0 to 1036 executing program [ 196.258692][ T6933] loop7: detected capacity change from 0 to 1036 executing program executing program [ 196.510496][ T6944] loop7: detected capacity change from 0 to 1036 executing program executing program executing program [ 196.908382][ T6959] loop7: detected capacity change from 0 to 1036 executing program executing program [ 197.143654][ T6969] loop7: detected capacity change from 0 to 1036 executing program [ 197.285917][ T6977] loop7: detected capacity change from 0 to 1036 executing program executing program executing program [ 197.591424][ T6988] loop7: detected capacity change from 0 to 1036 executing program [ 197.763571][ T6995] loop7: detected capacity change from 0 to 1036 executing program [ 197.911940][ T7002] loop7: detected capacity change from 0 to 1036 executing program executing program executing program [ 198.262666][ T7016] loop7: detected capacity change from 0 to 1036 executing program [ 198.401054][ T7024] loop7: detected capacity change from 0 to 1036 executing program [ 198.560973][ T7029] loop7: detected capacity change from 0 to 1036 [ 198.635323][ T7029] general protection fault, probably for non-canonical address 0xdffffc0000000027: 0000 [#1] PREEMPT SMP KASAN [ 198.647062][ T7029] KASAN: null-ptr-deref in range [0x0000000000000138-0x000000000000013f] [ 198.655453][ T7029] CPU: 0 PID: 7029 Comm: syz-executor121 Not tainted 5.15.0-rc5-next-20211015-syzkaller #0 [ 198.665405][ T7029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.675434][ T7029] RIP: 0010:hctx_lock+0x29/0x1d0 [ 198.680369][ T7029] Code: 00 41 55 41 54 49 89 f4 55 53 48 89 fb e8 1f 16 b3 fd 48 8d bb 38 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8a 01 00 00 48 8b ab 38 01 00 00 31 ff 83 e5 20 [ 198.699955][ T7029] RSP: 0018:ffffc9000319f0c8 EFLAGS: 00010206 [ 198.706003][ T7029] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 198.713954][ T7029] RDX: 0000000000000027 RSI: ffffffff83c44e71 RDI: 0000000000000138 [ 198.721914][ T7029] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 198.729863][ T7029] R10: 0000000000000001 R11: 0000000000000000 R12: ffffc9000319f110 [ 198.737815][ T7029] R13: 0000000000000001 R14: 0000000000000148 R15: ffffc9000319f570 [ 198.745774][ T7029] FS: 00007fca2d18e700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 198.754684][ T7029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 198.761252][ T7029] CR2: 00007fca2d232e88 CR3: 00000000705ed000 CR4: 00000000003506f0 [ 198.769204][ T7029] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 198.777196][ T7029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 198.785146][ T7029] Call Trace: [ 198.788406][ T7029] [ 198.791318][ T7029] blk_mq_run_hw_queue+0x79/0x2f0 [ 198.796329][ T7029] ? blk_mq_delay_run_hw_queues+0x4a0/0x4a0 [ 198.802203][ T7029] ? __blk_mq_end_request+0x384/0x5a0 [ 198.807558][ T7029] blk_mq_submit_bio+0x136b/0x1920 [ 198.812650][ T7029] ? blk_mq_try_issue_list_directly+0x520/0x520 [ 198.818873][ T7029] ? __lock_acquire+0xbc2/0x54a0 [ 198.823791][ T7029] submit_bio_noacct+0xa26/0xee0 [ 198.828711][ T7029] ? iocb_bio_iopoll+0x1f0/0x1f0 [ 198.833628][ T7029] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 198.839604][ T7029] submit_bio+0x1ea/0x470 [ 198.843919][ T7029] ? submit_bio_noacct+0xee0/0xee0 [ 198.849012][ T7029] ? lockdep_init_map_type+0x2c3/0x7b0 [ 198.854454][ T7029] submit_bio_wait+0x106/0x230 [ 198.859197][ T7029] ? submit_bio_wait_endio+0x40/0x40 [ 198.864464][ T7029] blkdev_issue_flush+0xd6/0x130 [ 198.869382][ T7029] ? blk_unregister_queue+0x280/0x280 [ 198.874736][ T7029] ? bio_devname+0x40/0x40 [ 198.879168][ T7029] ? current_time+0x2c0/0x2c0 [ 198.883823][ T7029] ? blkdev_fallocate+0x480/0x480 [ 198.888825][ T7029] ? blkdev_fallocate+0x480/0x480 [ 198.893825][ T7029] blkdev_fsync+0x68/0xa0 [ 198.898129][ T7029] vfs_fsync_range+0x13a/0x220 [ 198.902874][ T7029] blkdev_write_iter+0x3d8/0x540 [ 198.907790][ T7029] ? blkdev_open+0x2e0/0x2e0 [ 198.912358][ T7029] ? iter_file_splice_write+0x168/0xc70 [ 198.917882][ T7029] ? direct_splice_actor+0x110/0x180 [ 198.923147][ T7029] ? splice_direct_to_actor+0x34b/0x8c0 [ 198.928671][ T7029] ? do_splice_direct+0x1b3/0x280 [ 198.933672][ T7029] ? do_sendfile+0xaf2/0x1250 [ 198.938329][ T7029] ? __x64_sys_sendfile64+0x1cc/0x210 [ 198.943682][ T7029] ? do_syscall_64+0x35/0xb0 [ 198.948273][ T7029] do_iter_readv_writev+0x472/0x750 [ 198.953452][ T7029] ? new_sync_write+0x660/0x660 [ 198.958288][ T7029] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 198.964519][ T7029] ? security_file_permission+0xab/0xd0 [ 198.970048][ T7029] do_iter_write+0x188/0x710 [ 198.974620][ T7029] vfs_iter_write+0x70/0xa0 [ 198.979109][ T7029] iter_file_splice_write+0x723/0xc70 [ 198.984466][ T7029] ? generic_file_splice_read+0x488/0x6d0 [ 198.990170][ T7029] ? generic_splice_sendpage+0x140/0x140 [ 198.995800][ T7029] ? folio_flags.constprop.0+0x70/0x70 [ 199.001240][ T7029] ? security_file_permission+0xab/0xd0 [ 199.006772][ T7029] ? generic_splice_sendpage+0x140/0x140 [ 199.012402][ T7029] direct_splice_actor+0x110/0x180 [ 199.017495][ T7029] splice_direct_to_actor+0x34b/0x8c0 [ 199.022862][ T7029] ? generic_file_splice_read+0x6d0/0x6d0 [ 199.028560][ T7029] ? do_splice_to+0x250/0x250 [ 199.033222][ T7029] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 199.039441][ T7029] ? security_file_permission+0xab/0xd0 [ 199.044975][ T7029] do_splice_direct+0x1b3/0x280 [ 199.049807][ T7029] ? splice_direct_to_actor+0x8c0/0x8c0 [ 199.055332][ T7029] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 199.061553][ T7029] ? security_file_permission+0xab/0xd0 [ 199.067080][ T7029] do_sendfile+0xaf2/0x1250 [ 199.071567][ T7029] ? do_pwritev+0x270/0x270 [ 199.076049][ T7029] ? __context_tracking_exit+0xb8/0xe0 [ 199.081485][ T7029] ? lock_downgrade+0x6e0/0x6e0 [ 199.086314][ T7029] __x64_sys_sendfile64+0x1cc/0x210 [ 199.091492][ T7029] ? __ia32_sys_sendfile+0x220/0x220 [ 199.096758][ T7029] ? syscall_enter_from_user_mode+0x21/0x70 [ 199.102633][ T7029] do_syscall_64+0x35/0xb0 [ 199.107027][ T7029] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 199.112906][ T7029] RIP: 0033:0x7fca2d1e96d9 [ 199.117299][ T7029] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 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 [ 199.136892][ T7029] RSP: 002b:00007fca2d18e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 199.145292][ T7029] RAX: ffffffffffffffda RBX: 00007fca2d2664a0 RCX: 00007fca2d1e96d9 [ 199.153242][ T7029] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 [ 199.161189][ T7029] RBP: 00007fca2d2664ac R08: 0000000000000000 R09: 0000000000000000 [ 199.169139][ T7029] R10: 0000000024002da8 R11: 0000000000000246 R12: 00007fca2d2332c4 [ 199.177087][ T7029] R13: 6f6f6c2f7665642f R14: 0000002a1a885446 R15: 00007fca2d2664a8 [ 199.185037][ T7029] [ 199.188035][ T7029] Modules linked in: [ 199.192430][ T7029] ---[ end trace 20f37bd14883795d ]--- [ 199.198379][ T7029] RIP: 0010:hctx_lock+0x29/0x1d0 [ 199.203522][ T7029] Code: 00 41 55 41 54 49 89 f4 55 53 48 89 fb e8 1f 16 b3 fd 48 8d bb 38 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8a 01 00 00 48 8b ab 38 01 00 00 31 ff 83 e5 20 [ 199.223311][ T7029] RSP: 0018:ffffc9000319f0c8 EFLAGS: 00010206 [ 199.229542][ T7029] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 199.237750][ T7029] RDX: 0000000000000027 RSI: ffffffff83c44e71 RDI: 0000000000000138 [ 199.245857][ T7029] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 199.254049][ T7029] R10: 0000000000000001 R11: 0000000000000000 R12: ffffc9000319f110 [ 199.262149][ T7029] R13: 0000000000000001 R14: 0000000000000148 R15: ffffc9000319f570 [ 199.272520][ T7029] FS: 00007fca2d18e700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 199.282058][ T7029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 199.289168][ T7029] CR2: 00007fca2d232e88 CR3: 00000000705ed000 CR4: 00000000003506f0 [ 199.297419][ T7029] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 199.305746][ T7029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 199.313972][ T7029] Kernel panic - not syncing: Fatal exception [ 199.320246][ T7029] Kernel Offset: disabled [ 199.324553][ T7029] Rebooting in 86400 seconds..