Warning: Permanently added '10.128.0.29' (ED25519) 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 81.811697][ C1] ================================================================== [ 81.820236][ C1] BUG: KASAN: stack-out-of-bounds in xdp_do_check_flushed+0x231/0x240 [ 81.828471][ C1] Read of size 4 at addr ffffc900097777f8 by task syz-executor184/5533 [ 81.836706][ C1] [ 81.839038][ C1] CPU: 1 UID: 0 PID: 5533 Comm: syz-executor184 Not tainted 6.10.0-next-20240719-syzkaller #0 [ 81.849287][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 81.859448][ C1] Call Trace: [ 81.862731][ C1] [ 81.865575][ C1] dump_stack_lvl+0x241/0x360 [ 81.870259][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 81.875456][ C1] ? __pfx__printk+0x10/0x10 [ 81.880055][ C1] ? _printk+0xd5/0x120 [ 81.884221][ C1] print_report+0x169/0x550 [ 81.888723][ C1] ? __pfx_validate_chain+0x10/0x10 [ 81.893921][ C1] ? __virt_addr_valid+0xbd/0x530 [ 81.898945][ C1] ? xdp_do_check_flushed+0x231/0x240 [ 81.904326][ C1] kasan_report+0x143/0x180 [ 81.908830][ C1] ? xdp_do_check_flushed+0x231/0x240 [ 81.914225][ C1] xdp_do_check_flushed+0x231/0x240 [ 81.919551][ C1] __napi_poll+0xe4/0x490 [ 81.923895][ C1] net_rx_action+0x89b/0x1240 [ 81.928579][ C1] ? mark_lock+0x9a/0x360 [ 81.932923][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 81.938042][ C1] ? sched_clock+0x4a/0x70 [ 81.942466][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 81.948820][ C1] handle_softirqs+0x2c4/0x970 [ 81.953592][ C1] ? do_softirq+0x11b/0x1e0 [ 81.958886][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 81.964177][ C1] do_softirq+0x11b/0x1e0 [ 81.968506][ C1] [ 81.971432][ C1] [ 81.974357][ C1] ? __pfx_do_softirq+0x10/0x10 [ 81.979206][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 81.984844][ C1] ? rcu_is_watching+0x15/0xb0 [ 81.989607][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 81.994825][ C1] ? tun_get_user+0x270a/0x4720 [ 81.999684][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 82.005407][ C1] ? tun_get_user+0x270a/0x4720 [ 82.010258][ C1] tun_get_user+0x2884/0x4720 [ 82.014945][ C1] ? __lock_acquire+0x1384/0x2050 [ 82.019981][ C1] ? __pfx_tun_get_user+0x10/0x10 [ 82.025029][ C1] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 82.030483][ C1] ? tun_get+0x1e/0x2f0 [ 82.034731][ C1] ? __pfx_lock_release+0x10/0x10 [ 82.039764][ C1] ? tun_get+0x1e/0x2f0 [ 82.043938][ C1] ? tun_get+0x27d/0x2f0 [ 82.048921][ C1] tun_chr_write_iter+0x113/0x1f0 [ 82.054040][ C1] vfs_write+0xa72/0xc90 [ 82.058306][ C1] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 82.064036][ C1] ? __pfx_vfs_write+0x10/0x10 [ 82.068808][ C1] ? bpf_lsm_bpf+0x9/0x10 [ 82.073143][ C1] ? __rseq_handle_notify_resume+0x353/0x14e0 [ 82.079241][ C1] ksys_write+0x1a0/0x2c0 [ 82.083591][ C1] ? __pfx_ksys_write+0x10/0x10 [ 82.088452][ C1] ? do_syscall_64+0x100/0x230 [ 82.093214][ C1] ? do_syscall_64+0xb6/0x230 [ 82.097983][ C1] do_syscall_64+0xf3/0x230 [ 82.102485][ C1] ? clear_bhb_loop+0x35/0x90 [ 82.107166][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.113070][ C1] RIP: 0033:0x7fbb87999f50 [ 82.117487][ C1] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d 51 e1 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 82.137097][ C1] RSP: 002b:00007ffe44c00a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 82.145522][ C1] RAX: ffffffffffffffda RBX: 00007ffe44c00ad0 RCX: 00007fbb87999f50 [ 82.153493][ C1] RDX: 0000000000000e80 RSI: 0000000020000100 RDI: 00000000000000c8 [ 82.161461][ C1] RBP: 00007ffe44c00a80 R08: 00007ffe44c00a60 R09: 00007ffe44c00a60 [ 82.169428][ C1] R10: 00007ffe44c00a60 R11: 0000000000000202 R12: 0000000000000000 [ 82.177394][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 82.185371][ C1] [ 82.188384][ C1] [ 82.190700][ C1] The buggy address belongs to stack of task syz-executor184/5533 [ 82.198502][ C1] and is located at offset 88 in frame: [ 82.204124][ C1] do_softirq+0x0/0x1e0 [ 82.208283][ C1] [ 82.210598][ C1] This frame has 2 objects: [ 82.215088][ C1] [32, 40) 'flags.i.i.i105' [ 82.215101][ C1] [64, 72) 'flags.i.i.i' [ 82.219677][ C1] [ 82.226302][ C1] The buggy address belongs to the virtual mapping at [ 82.226302][ C1] [ffffc90009770000, ffffc90009779000) created by: [ 82.226302][ C1] copy_process+0x5d1/0x3d90 [ 82.243928][ C1] [ 82.246246][ C1] The buggy address belongs to the physical page: [ 82.252659][ C1] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x22625 [ 82.261413][ C1] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 82.268527][ C1] raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 [ 82.277104][ C1] raw: 0000000000000004 0000000000000000 00000001ffffffff 0000000000000000 [ 82.285675][ C1] page dumped because: kasan: bad access detected [ 82.292083][ C1] page_owner tracks the page as allocated [ 82.297794][ C1] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 5099, tgid 5099 (syz-executor184), ts 81807656032, free_ts 81150691899 [ 82.317257][ C1] post_alloc_hook+0x1f3/0x230 [ 82.322031][ C1] get_page_from_freelist+0x2ccb/0x2d80 [ 82.327570][ C1] __alloc_pages_noprof+0x256/0x6c0 [ 82.332766][ C1] alloc_pages_mpol_noprof+0x3e8/0x680 [ 82.338242][ C1] __vmalloc_node_range_noprof+0x971/0x1460 [ 82.344133][ C1] dup_task_struct+0x444/0x8c0 [ 82.348895][ C1] copy_process+0x5d1/0x3d90 [ 82.353486][ C1] kernel_clone+0x226/0x8f0 [ 82.357988][ C1] __x64_sys_clone+0x258/0x2a0 [ 82.362754][ C1] do_syscall_64+0xf3/0x230 [ 82.367251][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.373152][ C1] page last free pid 5477 tgid 5477 stack trace: [ 82.379489][ C1] free_unref_folios+0x103a/0x1b00 [ 82.384617][ C1] folios_put_refs+0x76e/0x860 [ 82.389399][ C1] free_pages_and_swap_cache+0x5c8/0x690 [ 82.395037][ C1] tlb_flush_mmu+0x3a3/0x680 [ 82.399629][ C1] tlb_finish_mmu+0xd4/0x200 [ 82.404234][ C1] exit_mmap+0x44f/0xc80 [ 82.408476][ C1] __mmput+0x115/0x390 [ 82.412544][ C1] exit_mm+0x220/0x310 [ 82.416605][ C1] do_exit+0x9b2/0x27f0 [ 82.420752][ C1] do_group_exit+0x207/0x2c0 [ 82.425336][ C1] __x64_sys_exit_group+0x3f/0x40 [ 82.430353][ C1] x64_sys_call+0x26c3/0x26d0 [ 82.435119][ C1] do_syscall_64+0xf3/0x230 [ 82.439615][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.445510][ C1] [ 82.447846][ C1] Memory state around the buggy address: [ 82.453468][ C1] ffffc90009777680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 82.461525][ C1] ffffc90009777700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 82.469582][ C1] >ffffc90009777780: 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 00 f3 f3 f3 [ 82.477638][ C1] ^ [ 82.485607][ C1] ffffc90009777800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 82.493664][ C1] ffffc90009777880: f1 f1 f1 f1 00 f3 f3 f3 00 00 00 00 00 00 00 00 [ 82.501716][ C1] ================================================================== [ 82.509909][ C1] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 82.517150][ C1] CPU: 1 UID: 0 PID: 5533 Comm: syz-executor184 Not tainted 6.10.0-next-20240719-syzkaller #0 [ 82.527421][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 82.537500][ C1] Call Trace: [ 82.540776][ C1] [ 82.543617][ C1] dump_stack_lvl+0x241/0x360 [ 82.548295][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 82.553574][ C1] ? __pfx__printk+0x10/0x10 [ 82.558169][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 82.564166][ C1] ? vscnprintf+0x5d/0x90 [ 82.568505][ C1] panic+0x349/0x870 [ 82.572412][ C1] ? check_panic_on_warn+0x21/0xb0 [ 82.577549][ C1] ? __pfx_panic+0x10/0x10 [ 82.581989][ C1] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 82.587890][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 82.593788][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 82.600117][ C1] check_panic_on_warn+0x86/0xb0 [ 82.605091][ C1] ? xdp_do_check_flushed+0x231/0x240 [ 82.610484][ C1] end_report+0x77/0x160 [ 82.614738][ C1] kasan_report+0x154/0x180 [ 82.619255][ C1] ? xdp_do_check_flushed+0x231/0x240 [ 82.624644][ C1] xdp_do_check_flushed+0x231/0x240 [ 82.629864][ C1] __napi_poll+0xe4/0x490 [ 82.634207][ C1] net_rx_action+0x89b/0x1240 [ 82.639761][ C1] ? mark_lock+0x9a/0x360 [ 82.644109][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 82.649229][ C1] ? sched_clock+0x4a/0x70 [ 82.653774][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 82.660109][ C1] handle_softirqs+0x2c4/0x970 [ 82.664966][ C1] ? do_softirq+0x11b/0x1e0 [ 82.669475][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 82.674766][ C1] do_softirq+0x11b/0x1e0 [ 82.679096][ C1] [ 82.682021][ C1] [ 82.684946][ C1] ? __pfx_do_softirq+0x10/0x10 [ 82.689798][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 82.695437][ C1] ? rcu_is_watching+0x15/0xb0 [ 82.700286][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 82.705491][ C1] ? tun_get_user+0x270a/0x4720 [ 82.710349][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 82.716074][ C1] ? tun_get_user+0x270a/0x4720 [ 82.720928][ C1] tun_get_user+0x2884/0x4720 [ 82.725621][ C1] ? __lock_acquire+0x1384/0x2050 [ 82.730652][ C1] ? __pfx_tun_get_user+0x10/0x10 [ 82.735685][ C1] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 82.741141][ C1] ? tun_get+0x1e/0x2f0 [ 82.745302][ C1] ? __pfx_lock_release+0x10/0x10 [ 82.750339][ C1] ? tun_get+0x1e/0x2f0 [ 82.754506][ C1] ? tun_get+0x27d/0x2f0 [ 82.758752][ C1] tun_chr_write_iter+0x113/0x1f0 [ 82.763781][ C1] vfs_write+0xa72/0xc90 [ 82.768033][ C1] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 82.773580][ C1] ? __pfx_vfs_write+0x10/0x10 [ 82.778346][ C1] ? bpf_lsm_bpf+0x9/0x10 [ 82.782680][ C1] ? __rseq_handle_notify_resume+0x353/0x14e0 [ 82.788790][ C1] ksys_write+0x1a0/0x2c0 [ 82.793128][ C1] ? __pfx_ksys_write+0x10/0x10 [ 82.797987][ C1] ? do_syscall_64+0x100/0x230 [ 82.802787][ C1] ? do_syscall_64+0xb6/0x230 [ 82.807462][ C1] do_syscall_64+0xf3/0x230 [ 82.811962][ C1] ? clear_bhb_loop+0x35/0x90 [ 82.816639][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.822532][ C1] RIP: 0033:0x7fbb87999f50 [ 82.826942][ C1] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d 51 e1 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 82.846546][ C1] RSP: 002b:00007ffe44c00a38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 82.854962][ C1] RAX: ffffffffffffffda RBX: 00007ffe44c00ad0 RCX: 00007fbb87999f50 [ 82.862930][ C1] RDX: 0000000000000e80 RSI: 0000000020000100 RDI: 00000000000000c8 [ 82.870924][ C1] RBP: 00007ffe44c00a80 R08: 00007ffe44c00a60 R09: 00007ffe44c00a60 [ 82.878890][ C1] R10: 00007ffe44c00a60 R11: 0000000000000202 R12: 0000000000000000 [ 82.886900][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 82.894875][ C1] [ 82.898197][ C1] Kernel Offset: disabled [ 82.902527][ C1] Rebooting in 86400 seconds..