Warning: Permanently added '10.128.0.78' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.706522] ================================================================== [ 36.713990] BUG: KASAN: stack-out-of-bounds in unwind_next_frame+0x161c/0x1c60 [ 36.721364] Read of size 8 at addr ffff888095fef800 by task syz-executor737/8099 [ 36.728894] [ 36.730529] CPU: 0 PID: 8099 Comm: syz-executor737 Not tainted 4.19.179-syzkaller #0 [ 36.738415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.747776] Call Trace: [ 36.750383] dump_stack+0x1fc/0x2ef executing program executing program executing program executing program executing program executing program [ 36.754051] print_address_description.cold+0x54/0x219 [ 36.759348] kasan_report_error.cold+0x8a/0x1b9 [ 36.764071] ? unwind_next_frame+0x161c/0x1c60 [ 36.768675] __asan_report_load8_noabort+0x88/0x90 [ 36.773624] ? unwind_next_frame+0x161c/0x1c60 [ 36.778229] unwind_next_frame+0x161c/0x1c60 [ 36.782682] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.788150] ? deref_stack_reg+0x1d0/0x1d0 [ 36.792403] ? put_callchain_buffers+0x70/0x70 [ 36.796997] ? check_preemption_disabled+0x41/0x280 executing program executing program executing program executing program executing program executing program [ 36.802031] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.807407] perf_callchain_kernel+0x3fa/0x5c0 [ 36.812013] ? sched_clock+0x2a/0x40 [ 36.815754] ? arch_perf_update_userpage+0x360/0x360 [ 36.820892] ? perf_callchain+0x173/0x1c0 [ 36.825070] ? do_syscall_64+0xf9/0x620 [ 36.829056] ? lock_acquire+0x298/0x3c0 [ 36.833044] ? lock_downgrade+0x720/0x720 [ 36.837203] get_perf_callchain+0x392/0x860 [ 36.841530] ? put_callchain_buffers+0x70/0x70 [ 36.846118] ? kvm_sched_clock_read+0x14/0x40 [ 36.850620] ? sched_clock+0x2a/0x40 executing program executing program executing program executing program executing program executing program [ 36.854346] ? sched_clock_cpu+0x18/0x1b0 [ 36.858504] perf_callchain+0x165/0x1c0 [ 36.862489] perf_prepare_sample+0x81e/0x1620 [ 36.867002] ? perf_callchain+0x1c0/0x1c0 [ 36.871161] ? tracing_generic_entry_update+0x191/0x200 [ 36.876531] ? deref_stack_reg+0x134/0x1d0 [ 36.880783] perf_event_output_forward+0xf3/0x270 [ 36.885640] ? perf_prepare_sample+0x1620/0x1620 [ 36.890404] ? unwind_next_frame+0x10a9/0x1c60 [ 36.895000] ? __save_stack_trace+0x72/0x190 [ 36.899420] ? deref_stack_reg+0x134/0x1d0 executing program executing program executing program executing program executing program executing program [ 36.903663] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 36.909551] ? check_preemption_disabled+0x41/0x280 [ 36.914576] __perf_event_overflow+0x13c/0x370 [ 36.919166] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.924538] perf_swevent_event+0x347/0x550 [ 36.931559] ? tracing_generic_entry_update+0x191/0x200 [ 36.936963] perf_tp_event+0x29f/0xaa0 [ 36.940857] ? __kernel_text_address+0x9/0x30 [ 36.945358] ? unwind_get_return_address+0x51/0x90 [ 36.950299] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program executing program executing program executing program executing program executing program [ 36.955668] ? __save_stack_trace+0xaf/0x190 [ 36.960085] ? perf_swevent_event+0x550/0x550 [ 36.964589] ? __lock_acquire+0x22f9/0x3ff0 [ 36.968920] ? mark_held_locks+0xf0/0xf0 [ 36.972985] ? perf_trace_lock_acquire+0x36b/0x530 [ 36.977953] ? HARDIRQ_verbose+0x10/0x10 [ 36.982028] ? check_preemption_disabled+0x41/0x280 [ 36.987055] ? depot_save_stack+0x258/0x410 [ 36.991404] ? perf_trace_run_bpf_submit+0x144/0x220 [ 36.996521] ? check_preemption_disabled+0x41/0x280 [ 37.001632] perf_trace_run_bpf_submit+0x144/0x220 executing program executing program executing program executing program executing program [ 37.006571] perf_trace_lock_acquire+0x36b/0x530 [ 37.011335] ? kmem_cache_free+0x7f/0x260 [ 37.015495] ? HARDIRQ_verbose+0x10/0x10 [ 37.019559] ? __x64_sys_exit_group+0x3a/0x50 [ 37.024056] ? do_syscall_64+0xf9/0x620 [ 37.028058] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.033426] ? HARDIRQ_verbose+0x10/0x10 [ 37.037490] lock_acquire+0x298/0x3c0 [ 37.041304] ? debug_check_no_obj_freed+0xb5/0x490 [ 37.046254] _raw_spin_lock_irqsave+0x8c/0xc0 [ 37.050759] ? debug_check_no_obj_freed+0xb5/0x490 executing program executing program executing program executing program executing program executing program [ 37.055791] debug_check_no_obj_freed+0xb5/0x490 [ 37.060557] free_unref_page_prepare+0x1ea/0x5d0 [ 37.065318] free_unref_page+0x20/0x170 [ 37.069296] zap_huge_pmd+0xa00/0xe90 [ 37.073102] ? _paravirt_ident_32+0x10/0x10 [ 37.077431] unmap_page_range+0xe4d/0x2a70 [ 37.081677] ? lock_downgrade+0x720/0x720 [ 37.085873] ? vm_normal_page_pmd+0x4c0/0x4c0 [ 37.090628] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 37.095792] ? uprobe_munmap+0x2d/0x4d0 [ 37.099786] unmap_single_vma+0x198/0x300 [ 37.103944] unmap_vmas+0xa9/0x180 executing program executing program executing program executing program executing program executing program [ 37.107485] exit_mmap+0x2b9/0x530 [ 37.111035] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 37.116324] ? __khugepaged_exit+0x2a6/0x3e0 [ 37.120741] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.125761] ? kmem_cache_free+0x226/0x260 [ 37.130008] ? __khugepaged_exit+0x2c7/0x3e0 [ 37.134452] mmput+0x14e/0x4a0 [ 37.137649] do_exit+0xaec/0x2be0 [ 37.141118] ? lock_downgrade+0x720/0x720 [ 37.145277] ? mm_update_next_owner+0x650/0x650 [ 37.150048] ? up_read+0x17/0x110 [ 37.153514] ? __do_page_fault+0x180/0xd60 executing program executing program executing program executing program executing program executing program [ 37.157755] do_group_exit+0x125/0x310 [ 37.161768] __x64_sys_exit_group+0x3a/0x50 [ 37.166099] do_syscall_64+0xf9/0x620 [ 37.169910] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.175103] RIP: 0033:0x43e9c9 [ 37.178299] Code: 00 49 c7 c0 c0 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 [ 37.197205] RSP: 002b:00007ffedfbbccc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 executing program executing program executing program executing program executing program executing program [ 37.204924] RAX: ffffffffffffffda RBX: 00000000004b02f0 RCX: 000000000043e9c9 [ 37.212202] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 37.219487] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001 [ 37.226764] R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000004b02f0 [ 37.234041] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 37.241324] [ 37.242992] The buggy address belongs to the page: [ 37.247928] page:ffffea000257fbc0 count:0 mapcount:0 mapping:0000000000000000 index:0x0 executing program executing program executing program executing program executing program executing program [ 37.256078] flags: 0xfff00000000000() [ 37.259886] raw: 00fff00000000000 0000000000000000 ffffffff02570101 0000000000000000 [ 37.267774] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 37.275660] page dumped because: kasan: bad access detected [ 37.281369] [ 37.282992] Memory state around the buggy address: [ 37.287921] ffff888095fef700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.295289] ffff888095fef780: 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 04 f2 00 f3 executing program executing program executing program executing program executing program executing program executing program [ 37.302659] >ffff888095fef800: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.310025] ^ [ 37.313429] ffff888095fef880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.320802] ffff888095fef900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.328167] ================================================================== [ 37.335702] Disabling lock debugging due to kernel taint [ 37.341252] Kernel panic - not syncing: panic_on_warn set ... [ 37.341252] [ 37.348626] CPU: 0 PID: 8099 Comm: syz-executor737 Tainted: G B 4.19.179-syzkaller #0 executing program executing program executing program executing program executing program executing program executing program [ 37.357903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.367262] Call Trace: [ 37.369890] dump_stack+0x1fc/0x2ef [ 37.373521] panic+0x26a/0x50e [ 37.376719] ? __warn_printk+0xf3/0xf3 [ 37.380637] ? lock_downgrade+0x720/0x720 [ 37.384791] ? print_shadow_for_address+0xb8/0x114 [ 37.389726] ? trace_hardirqs_off+0x64/0x200 [ 37.394137] kasan_end_report+0x43/0x49 [ 37.398203] kasan_report_error.cold+0xa7/0x1b9 executing program executing program executing program executing program executing program executing program executing program [ 37.401439] WARNING: can't dereference registers at 000000004198037d for ip common_interrupt+0xf/0xf [ 37.412148] ? unwind_next_frame+0x161c/0x1c60 [ 37.416743] __asan_report_load8_noabort+0x88/0x90 [ 37.421701] ? unwind_next_frame+0x161c/0x1c60 [ 37.426317] unwind_next_frame+0x161c/0x1c60 [ 37.430730] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.437935] ? deref_stack_reg+0x1d0/0x1d0 [ 37.442178] ? put_callchain_buffers+0x70/0x70 [ 37.446765] ? check_preemption_disabled+0x41/0x280 [ 37.451788] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program executing program executing program executing program executing program executing program executing program [ 37.457160] perf_callchain_kernel+0x3fa/0x5c0 [ 37.461779] ? sched_clock+0x2a/0x40 [ 37.465505] ? arch_perf_update_userpage+0x360/0x360 [ 37.470630] ? perf_callchain+0x173/0x1c0 [ 37.474996] ? do_syscall_64+0xf9/0x620 [ 37.479082] ? lock_acquire+0x298/0x3c0 [ 37.483154] ? lock_downgrade+0x720/0x720 [ 37.487316] get_perf_callchain+0x392/0x860 [ 37.491775] ? put_callchain_buffers+0x70/0x70 [ 37.496366] ? kvm_sched_clock_read+0x14/0x40 [ 37.500868] ? sched_clock+0x2a/0x40 [ 37.504610] ? sched_clock_cpu+0x18/0x1b0 executing program executing program executing program executing program executing program executing program executing program [ 37.508769] perf_callchain+0x165/0x1c0 [ 37.512844] perf_prepare_sample+0x81e/0x1620 [ 37.517350] ? perf_callchain+0x1c0/0x1c0 [ 37.521506] ? tracing_generic_entry_update+0x191/0x200 [ 37.526879] ? deref_stack_reg+0x134/0x1d0 [ 37.531144] perf_event_output_forward+0xf3/0x270 [ 37.536012] ? perf_prepare_sample+0x1620/0x1620 [ 37.540787] ? unwind_next_frame+0x10a9/0x1c60 [ 37.545377] ? __save_stack_trace+0x72/0x190 [ 37.549814] ? deref_stack_reg+0x134/0x1d0 [ 37.554096] ? __read_once_size_nocheck.constprop.0+0x10/0x10 executing program executing program executing program executing program executing program executing program executing program [ 37.560344] ? check_preemption_disabled+0x41/0x280 [ 37.565379] __perf_event_overflow+0x13c/0x370 [ 37.569979] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.575884] perf_swevent_event+0x347/0x550 [ 37.580689] ? tracing_generic_entry_update+0x191/0x200 [ 37.586176] perf_tp_event+0x29f/0xaa0 [ 37.590225] ? __kernel_text_address+0x9/0x30 [ 37.594906] ? unwind_get_return_address+0x51/0x90 [ 37.599849] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.605222] ? __save_stack_trace+0xaf/0x190 executing program executing program executing program executing program executing program executing program executing program executing program [ 37.609843] ? perf_swevent_event+0x550/0x550 [ 37.615168] ? __lock_acquire+0x22f9/0x3ff0 [ 37.619595] ? mark_held_locks+0xf0/0xf0 [ 37.623850] ? perf_trace_lock_acquire+0x36b/0x530 [ 37.628950] ? HARDIRQ_verbose+0x10/0x10 [ 37.633584] ? check_preemption_disabled+0x41/0x280 [ 37.639131] ? depot_save_stack+0x258/0x410 [ 37.643735] ? perf_trace_run_bpf_submit+0x144/0x220 [ 37.648848] ? check_preemption_disabled+0x41/0x280 [ 37.653956] perf_trace_run_bpf_submit+0x144/0x220 executing program executing program executing program executing program executing program executing program executing program [ 37.659268] perf_trace_lock_acquire+0x36b/0x530 [ 37.665080] ? kmem_cache_free+0x7f/0x260 [ 37.669246] ? HARDIRQ_verbose+0x10/0x10 [ 37.673312] ? __x64_sys_exit_group+0x3a/0x50 [ 37.677811] ? do_syscall_64+0xf9/0x620 [ 37.682246] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.687614] ? HARDIRQ_verbose+0x10/0x10 [ 37.691690] lock_acquire+0x298/0x3c0 [ 37.695562] ? debug_check_no_obj_freed+0xb5/0x490 [ 37.700497] _raw_spin_lock_irqsave+0x8c/0xc0 [ 37.705005] ? debug_check_no_obj_freed+0xb5/0x490 executing program executing program executing program executing program executing program executing program executing program [ 37.710040] debug_check_no_obj_freed+0xb5/0x490 [ 37.714807] free_unref_page_prepare+0x1ea/0x5d0 [ 37.719585] free_unref_page+0x20/0x170 [ 37.723565] zap_huge_pmd+0xa00/0xe90 [ 37.727371] ? _paravirt_ident_32+0x10/0x10 [ 37.731707] unmap_page_range+0xe4d/0x2a70 [ 37.736063] ? lock_downgrade+0x720/0x720 [ 37.740218] ? vm_normal_page_pmd+0x4c0/0x4c0 [ 37.745851] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 37.750963] ? uprobe_munmap+0x2d/0x4d0 [ 37.754948] unmap_single_vma+0x198/0x300 executing program executing program executing program executing program executing program executing program executing program [ 37.759129] unmap_vmas+0xa9/0x180 [ 37.762681] exit_mmap+0x2b9/0x530 [ 37.767259] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 37.772902] ? __khugepaged_exit+0x2a6/0x3e0 [ 37.777340] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.782625] ? kmem_cache_free+0x226/0x260 [ 37.786883] ? __khugepaged_exit+0x2c7/0x3e0 [ 37.791324] mmput+0x14e/0x4a0 [ 37.795479] do_exit+0xaec/0x2be0 [ 37.798943] ? lock_downgrade+0x720/0x720 [ 37.803098] ? mm_update_next_owner+0x650/0x650 [ 37.807964] ? up_read+0x17/0x110 executing program executing program executing program executing program executing program executing program executing program [ 37.811423] ? __do_page_fault+0x180/0xd60 [ 37.815676] do_group_exit+0x125/0x310 [ 37.819598] __x64_sys_exit_group+0x3a/0x50 [ 37.823932] do_syscall_64+0xf9/0x620 [ 37.827741] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.832935] RIP: 0033:0x43e9c9 [ 37.836133] Code: 00 49 c7 c0 c0 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 executing program [ 37.855137] RSP: 002b:00007ffedfbbccc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.862856] RAX: ffffffffffffffda RBX: 00000000004b02f0 RCX: 000000000043e9c9 [ 37.870135] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 37.877409] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001 [ 37.884688] R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000004b02f0 [ 37.891963] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 37.899793] Kernel Offset: disabled [ 37.903551] Rebooting in 86400 seconds..