Warning: Permanently added '10.128.1.89' (ECDSA) to the list of known hosts. executing program [ 1118.789868][ T38] audit: type=1400 audit(1627973663.554:8): avc: denied { execmem } for pid=8443 comm="syz-executor942" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program executing program executing program executing program executing program [ 1118.841105][ T8453] loop5: detected capacity change from 0 to 272 [ 1118.851693][ T8456] loop2: detected capacity change from 0 to 272 [ 1118.856470][ T8457] loop3: detected capacity change from 0 to 272 [ 1118.864360][ T8459] loop1: detected capacity change from 0 to 272 [ 1118.876710][ T8461] loop0: detected capacity change from 0 to 272 [ 1118.883544][ T8460] loop4: detected capacity change from 0 to 272 [ 1118.904937][ T8465] attempt to access beyond end of device [ 1118.904937][ T8465] loop2: rw=0, want=778809884, limit=272 [ 1118.913127][ T8468] attempt to access beyond end of device [ 1118.913127][ T8468] loop5: rw=0, want=778809884, limit=272 [ 1118.921569][ T8466] attempt to access beyond end of device [ 1118.921569][ T8466] loop1: rw=0, want=778809884, limit=272 [ 1118.943163][ T8470] attempt to access beyond end of device [ 1118.943163][ T8470] loop3: rw=0, want=778809884, limit=272 [ 1118.959913][ T8465] Buffer I/O error on dev loop2, logical block 389404941, async page read [ 1118.963250][ T8460] attempt to access beyond end of device [ 1118.963250][ T8460] loop4: rw=0, want=778809884, limit=272 [ 1118.970996][ T8470] Buffer I/O error on dev loop3, logical block 389404941, async page read [ 1118.981448][ T8473] attempt to access beyond end of device [ 1118.981448][ T8473] loop0: rw=0, want=778809884, limit=272 [ 1118.991454][ T8466] Buffer I/O error on dev loop1, logical block 389404941, async page read [ 1119.011124][ T8465] attempt to access beyond end of device [ 1119.011124][ T8465] loop2: rw=0, want=79256264, limit=272 [ 1119.017033][ T8468] Buffer I/O error on dev loop5, logical block 389404941, async page read [ 1119.024488][ T8465] Buffer I/O error on dev loop2, logical block 39628131, async page read [ 1119.040821][ T8470] attempt to access beyond end of device [ 1119.040821][ T8470] loop3: rw=0, want=79256264, limit=272 [ 1119.052501][ T8460] Buffer I/O error on dev loop4, logical block 389404941, async page read [ 1119.054292][ T8466] attempt to access beyond end of device [ 1119.054292][ T8466] loop1: rw=0, want=79256264, limit=272 [ 1119.068213][ T8473] Buffer I/O error on dev loop0, logical block 389404941, async page read [ 1119.081774][ T8470] Buffer I/O error on dev loop3, logical block 39628131, async page read [ 1119.086597][ T8468] attempt to access beyond end of device [ 1119.086597][ T8468] loop5: rw=0, want=79256264, limit=272 [ 1119.102753][ T8465] Buffer I/O error on dev loop2, logical block 11541283, async page read [ 1119.108057][ T8473] Buffer I/O error on dev loop0, logical block 39628131, async page read [ 1294.811668][ T1632] INFO: task syz-executor942:8475 blocked for more than 143 seconds. [ 1294.820150][ T1632] Not tainted 5.14.0-rc4-syzkaller #0 [ 1294.850715][ T1632] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1294.859437][ T1632] task:syz-executor942 state:D stack:28984 pid: 8475 ppid: 8448 flags:0x00000004 [ 1294.930350][ T1632] Call Trace: [ 1294.933667][ T1632] __schedule+0x93a/0x26f0 [ 1294.938309][ T1632] ? io_schedule_timeout+0x140/0x140 [ 1294.990282][ T1632] ? mark_held_locks+0x9f/0xe0 [ 1294.995248][ T1632] schedule+0xd3/0x270 [ 1294.999335][ T1632] d_alloc_parallel+0x105b/0x19f0 [ 1295.040280][ T1632] ? __d_lookup_rcu+0x6c0/0x6c0 [ 1295.045189][ T1632] ? wake_up_q+0xf0/0xf0 [ 1295.049675][ T1632] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1295.120277][ T1632] __lookup_slow+0x193/0x480 [ 1295.125258][ T1632] ? do_raw_spin_unlock+0x171/0x230 [ 1295.170680][ T1632] ? page_put_link+0x220/0x220 [ 1295.175492][ T1632] ? target_scsi3_emulate_pr_out.cold+0xd6/0x8d4 [ 1295.210292][ T1632] ? target_scsi3_emulate_pr_out.cold+0xd6/0x8d4 [ 1295.216679][ T1632] ? make_kuid+0x1e/0x30 [ 1295.260281][ T1632] walk_component+0x40f/0x6a0 [ 1295.265016][ T1632] ? handle_dots.part.0+0x15e0/0x15e0 [ 1295.300328][ T1632] ? walk_component+0x6a0/0x6a0 [ 1295.305238][ T1632] path_lookupat+0x1bb/0x860 [ 1295.309944][ T1632] filename_lookup+0x1c6/0x5b0 [ 1295.350263][ T1632] ? may_linkat+0x2d0/0x2d0 [ 1295.354827][ T1632] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1295.400267][ T1632] ? __check_object_size+0x16e/0x3f0 [ 1295.406530][ T1632] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1295.460254][ T1632] ? strncpy_from_user+0x2a0/0x3e0 [ 1295.465472][ T1632] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1295.510255][ T1632] ? getname_flags.part.0+0x1dd/0x4f0 [ 1295.515685][ T1632] ? __context_tracking_exit+0xb8/0xe0 [ 1295.560367][ T1632] __x64_sys_chdir+0xb7/0x260 [ 1295.565104][ T1632] ? __ia32_sys_access+0x80/0x80 [ 1295.600258][ T1632] ? syscall_enter_from_user_mode+0x21/0x70 [ 1295.606316][ T1632] do_syscall_64+0x35/0xb0 [ 1295.640316][ T1632] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1295.646545][ T1632] RIP: 0033:0x44aab9 [ 1295.690252][ T1632] RSP: 002b:00007f8f216cd2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 [ 1295.698816][ T1632] RAX: ffffffffffffffda RBX: 00000000004cc4e0 RCX: 000000000044aab9 [ 1295.750237][ T1632] RDX: 00007f8f216cd700 RSI: c8d0f6fefea0521c RDI: 0000000020000040 [ 1295.758336][ T1632] RBP: 000000000049b0b0 R08: 00007f8f216cd700 R09: 0000000000000000 [ 1295.820301][ T1632] R10: 00007f8f216cd700 R11: 0000000000000246 R12: 00000000200011c0 [ 1295.828418][ T1632] R13: 0030656c69662f2e R14: 000000807fffffff R15: 00000000004cc4e8 [ 1295.900325][ T1632] [ 1295.900325][ T1632] Showing all locks held in the system: [ 1295.908509][ T1632] 1 lock held by khungtaskd/1632: [ 1295.950229][ T1632] #0: ffffffff8b979000 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1296.000243][ T1632] 6 locks held by kswapd0/2143: [ 1296.005167][ T1632] 1 lock held by in:imklog/8146: [ 1296.010117][ T1632] #0: ffff8880164aadf0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 1296.049908][ T1632] 1 lock held by syz-executor942/8465: [ 1296.090268][ T1632] 1 lock held by syz-executor942/8468: [ 1296.096120][ T1632] 1 lock held by syz-executor942/8470: [ 1296.140231][ T1632] 1 lock held by syz-executor942/8466: [ 1296.145839][ T1632] 2 locks held by syz-executor942/8460: [ 1296.190210][ T1632] 1 lock held by syz-executor942/8475: [ 1296.195703][ T1632] #0: ffff8880414a0210 (&type->i_mutex_dir_key#7){.+.+}-{3:3}, at: walk_component+0x400/0x6a0 [ 1296.260279][ T1632] 1 lock held by syz-executor942/8473: [ 1296.280224][ T1632] [ 1296.282596][ T1632] ============================================= [ 1296.282596][ T1632] [ 1296.330273][ T1632] NMI backtrace for cpu 1 [ 1296.334743][ T1632] CPU: 1 PID: 1632 Comm: khungtaskd Not tainted 5.14.0-rc4-syzkaller #0 [ 1296.343665][ T1632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1296.354088][ T1632] Call Trace: [ 1296.357397][ T1632] dump_stack_lvl+0xcd/0x134 [ 1296.362098][ T1632] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1296.367320][ T1632] ? lapic_can_unplug_cpu+0x80/0x80 [ 1296.372571][ T1632] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1296.378609][ T1632] watchdog+0xd0a/0xfc0 [ 1296.382795][ T1632] ? reset_hung_task_detector+0x30/0x30 [ 1296.388360][ T1632] kthread+0x3e5/0x4d0 [ 1296.392506][ T1632] ? set_kthread_struct+0x130/0x130 [ 1296.397901][ T1632] ret_from_fork+0x1f/0x30 [ 1296.402623][ T1632] Sending NMI from CPU 1 to CPUs 0: [ 1296.408935][ C0] NMI backtrace for cpu 0 [ 1296.408948][ C0] CPU: 0 PID: 8466 Comm: syz-executor942 Not tainted 5.14.0-rc4-syzkaller #0 [ 1296.408959][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1296.408969][ C0] RIP: 0010:pagecache_get_page+0x19f/0x18d0 [ 1296.408982][ C0] Code: 48 81 fd 02 04 00 00 74 cc e8 dd 83 db ff 48 85 ed 0f 84 68 0c 00 00 e8 cf 83 db ff 41 89 ee 31 ff 41 83 e6 01 48 89 6c 24 20 <44> 89 f6 e8 69 8b db ff 45 84 f6 0f 85 5d 0c 00 00 e8 ab 83 db ff [ 1296.409000][ C0] RSP: 0018:ffffc900018f7398 EFLAGS: 00000246 [ 1296.409014][ C0] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 1296.409024][ C0] RDX: ffff88802ed1c2c0 RSI: ffffffff81994d01 RDI: 0000000000000000 [ 1296.409034][ C0] RBP: ffffea000183a840 R08: 0000000000000002 R09: 0000000000000000 [ 1296.409044][ C0] R10: ffffffff83f42f86 R11: 0000000000000000 R12: 0000000000000002 [ 1296.409054][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000007 [ 1296.409064][ C0] FS: 00007f8f216ee700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 1296.409074][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1296.409082][ C0] CR2: 00007fbb54cb9028 CR3: 000000003a9c8000 CR4: 00000000001506f0 [ 1296.409092][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1296.409102][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1296.409110][ C0] Call Trace: [ 1296.409116][ C0] ? add_to_page_cache_lru+0x5c0/0x5c0 [ 1296.409123][ C0] ? __find_get_block+0x2cd/0xdb0 [ 1296.409129][ C0] __getblk_slow+0x217/0xb70 [ 1296.409135][ C0] __bread_gfp+0x275/0x3c0 [ 1296.409141][ C0] get_block+0x293/0x1450 [ 1296.409147][ C0] ? truncate+0xfe0/0xfe0 [ 1296.409153][ C0] ? acpi_ev_install_space_handler+0x4be/0x4fb [ 1296.409160][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 1296.409167][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1296.409174][ C0] ? memset+0x20/0x40 [ 1296.409180][ C0] minix_get_block+0xbb/0x110 [ 1296.409187][ C0] block_read_full_page+0x28d/0xdf0 [ 1296.409193][ C0] ? minix_rename+0x8d0/0x8d0 [ 1296.409200][ C0] ? end_buffer_async_read_io+0x300/0x300 [ 1296.409207][ C0] ? add_to_page_cache_lru+0x2aa/0x5c0 [ 1296.409214][ C0] ? add_to_page_cache_locked+0x40/0x40 [ 1296.409221][ C0] ? __page_cache_alloc+0x10d/0x3a0 [ 1296.409227][ C0] do_read_cache_page+0x8e8/0x13c0 [ 1296.409234][ C0] minix_find_entry+0x203/0x7e0 [ 1296.409241][ C0] ? __lock_acquire+0x162f/0x54a0 [ 1296.409247][ C0] minix_inode_by_name+0x6d/0x460 [ 1296.409253][ C0] ? minix_dotdot+0x190/0x190 [ 1296.409260][ C0] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1296.409266][ C0] minix_lookup+0x103/0x190 [ 1296.409272][ C0] __lookup_slow+0x24c/0x480 [ 1296.409279][ C0] ? page_put_link+0x220/0x220 [ 1296.409285][ C0] ? target_scsi3_emulate_pr_out.cold+0xd6/0x8d4 [ 1296.409293][ C0] ? target_scsi3_emulate_pr_out.cold+0xd6/0x8d4 [ 1296.409300][ C0] ? make_kuid+0x1e/0x30 [ 1296.409306][ C0] walk_component+0x40f/0x6a0 [ 1296.409313][ C0] ? handle_dots.part.0+0x15e0/0x15e0 [ 1296.409320][ C0] ? walk_component+0x6a0/0x6a0 [ 1296.409326][ C0] path_lookupat+0x1bb/0x860 [ 1296.409332][ C0] filename_lookup+0x1c6/0x5b0 [ 1296.409338][ C0] ? may_linkat+0x2d0/0x2d0 [ 1296.409345][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1296.409352][ C0] ? __check_object_size+0x16e/0x3f0 [ 1296.409359][ C0] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1296.409367][ C0] ? strncpy_from_user+0x2a0/0x3e0 [ 1296.409374][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1296.409381][ C0] ? getname_flags.part.0+0x1dd/0x4f0 [ 1296.409388][ C0] ? __context_tracking_exit+0xb8/0xe0 [ 1296.409395][ C0] __x64_sys_chdir+0xb7/0x260 [ 1296.409401][ C0] ? __ia32_sys_access+0x80/0x80 [ 1296.409408][ C0] ? syscall_enter_from_user_mode+0x21/0x70 [ 1296.409415][ C0] do_syscall_64+0x35/0xb0 [ 1296.409421][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1296.409428][ C0] RIP: 0033:0x44aab9 [ 1296.409440][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 [ 1296.409457][ C0] RSP: 002b:00007f8f216ee2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 [ 1296.409477][ C0] RAX: ffffffffffffffda RBX: 00000000004cc4d0 RCX: 000000000044aab9 [ 1296.409487][ C0] RDX: 00007f8f216ee700 RSI: c8d0f6fa9ea0521c RDI: 0000000020000040 [ 1296.409497][ C0] RBP: 000000000049b0b0 R08: 00007f8f216ee700 R09: 0000000000000000 [ 1296.409507][ C0] R10: 00007f8f216ee700 R11: 0000000000000246 R12: 00000000200011c0 [ 1296.409516][ C0] R13: 0030656c69662f2e R14: 000000807fffffff R15: 00000000004cc4d8 [ 1296.409527][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.006 msecs [ 1296.680187][ T1632] Kernel panic - not syncing: hung_task: blocked tasks [ 1296.887421][ T1632] CPU: 1 PID: 1632 Comm: khungtaskd Not tainted 5.14.0-rc4-syzkaller #0 [ 1296.895749][ T1632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1296.905800][ T1632] Call Trace: [ 1296.909073][ T1632] dump_stack_lvl+0xcd/0x134 [ 1296.913676][ T1632] panic+0x306/0x73d [ 1296.917654][ T1632] ? __warn_printk+0xf3/0xf3 [ 1296.922238][ T1632] ? lapic_can_unplug_cpu+0x80/0x80 [ 1296.927448][ T1632] ? preempt_schedule_thunk+0x16/0x18 [ 1296.932917][ T1632] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 1296.939158][ T1632] ? watchdog.cold+0x5/0x158 [ 1296.943800][ T1632] watchdog.cold+0x16/0x158 [ 1296.948484][ T1632] ? reset_hung_task_detector+0x30/0x30 [ 1296.954287][ T1632] kthread+0x3e5/0x4d0 [ 1296.958444][ T1632] ? set_kthread_struct+0x130/0x130 [ 1296.963731][ T1632] ret_from_fork+0x1f/0x30 [ 1296.970140][ T1632] Kernel Offset: disabled [ 1296.974736][ T1632] Rebooting in 86400 seconds..