Warning: Permanently added '10.128.1.83' (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 [ 67.105458][ T5335] ================================================================== [ 67.113580][ T5335] BUG: KASAN: slab-use-after-free in hugetlb_fault+0x27b9/0x3910 [ 67.121340][ T5335] Read of size 8 at addr ffff8880163ac400 by task syz-executor233/5335 [ 67.129571][ T5335] [ 67.131884][ T5335] CPU: 0 PID: 5335 Comm: syz-executor233 Not tainted 6.9.0-rc3-next-20240412-syzkaller #0 [ 67.141760][ T5335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 67.151804][ T5335] Call Trace: [ 67.155079][ T5335] [ 67.158002][ T5335] dump_stack_lvl+0x241/0x360 [ 67.162686][ T5335] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.167881][ T5335] ? __pfx__printk+0x10/0x10 [ 67.172465][ T5335] ? _printk+0xd5/0x120 [ 67.176613][ T5335] ? __virt_addr_valid+0x183/0x520 [ 67.181718][ T5335] ? __virt_addr_valid+0x183/0x520 [ 67.186825][ T5335] print_report+0x169/0x550 [ 67.191319][ T5335] ? __virt_addr_valid+0x183/0x520 [ 67.196423][ T5335] ? __virt_addr_valid+0x183/0x520 [ 67.201527][ T5335] ? __virt_addr_valid+0x44e/0x520 [ 67.206628][ T5335] ? __phys_addr+0xba/0x170 [ 67.211128][ T5335] ? hugetlb_fault+0x27b9/0x3910 [ 67.216056][ T5335] kasan_report+0x143/0x180 [ 67.220551][ T5335] ? hugetlb_fault+0x27b9/0x3910 [ 67.225482][ T5335] hugetlb_fault+0x27b9/0x3910 [ 67.230254][ T5335] ? __pfx_hugetlb_fault+0x10/0x10 [ 67.235387][ T5335] ? reacquire_held_locks+0x3eb/0x690 [ 67.240780][ T5335] ? __pfx_reacquire_held_locks+0x10/0x10 [ 67.246497][ T5335] handle_mm_fault+0x18e8/0x1bb0 [ 67.251438][ T5335] ? lock_vma_under_rcu+0x18a/0x730 [ 67.256629][ T5335] ? __pfx_lock_release+0x10/0x10 [ 67.261643][ T5335] ? lock_vma_under_rcu+0x2f9/0x730 [ 67.266837][ T5335] ? __pfx_handle_mm_fault+0x10/0x10 [ 67.272113][ T5335] ? lock_vma_under_rcu+0x5e2/0x730 [ 67.277302][ T5335] ? lock_vma_under_rcu+0x18a/0x730 [ 67.282493][ T5335] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 67.288034][ T5335] ? exc_page_fault+0x113/0x900 [ 67.292874][ T5335] exc_page_fault+0x459/0x900 [ 67.297543][ T5335] asm_exc_page_fault+0x26/0x30 [ 67.302386][ T5335] RIP: 0033:0x7f6a2c7e7fcb [ 67.306790][ T5335] Code: bf a9 01 00 00 e8 15 4d 03 00 48 83 f8 ff 0f 84 99 fd ff ff 48 89 05 34 c1 0b 00 48 83 c4 08 5b 5d c3 66 0f 6f 05 c5 b0 08 00 <0f> 29 04 25 00 00 00 20 66 0f 6f 05 c5 b0 08 00 0f 11 04 25 0c 00 [ 67.326392][ T5335] RSP: 002b:00007f6a2c7b6160 EFLAGS: 00010246 [ 67.332454][ T5335] RAX: 0000000000000000 RBX: 00007f6a2c8a6318 RCX: 00007f6a2c81ccd9 [ 67.340417][ T5335] RDX: fe319eacbf5b3dac RSI: 0000000000000000 RDI: 00007f6a2c7b65a0 [ 67.348376][ T5335] RBP: 00007f6a2c8a6310 R08: 0000000000000000 R09: 00007f6a2c7b66c0 [ 67.356337][ T5335] R10: 00007f6a2c7b66c0 R11: 0000000000000246 R12: 00007f6a2c8a631c [ 67.364300][ T5335] R13: 000000000000006e R14: 00007ffee83e4b30 R15: 00007ffee83e4c18 [ 67.372267][ T5335] [ 67.375275][ T5335] [ 67.377586][ T5335] Allocated by task 5328: [ 67.381896][ T5335] kasan_save_track+0x3f/0x80 [ 67.386571][ T5335] __kasan_slab_alloc+0x66/0x80 [ 67.391414][ T5335] kmem_cache_alloc_noprof+0x135/0x290 [ 67.396862][ T5335] vm_area_alloc+0x24/0x1d0 [ 67.401359][ T5335] mmap_region+0xc20/0x2030 [ 67.405852][ T5335] do_mmap+0x8ad/0xfa0 [ 67.409909][ T5335] vm_mmap_pgoff+0x1dd/0x3d0 [ 67.414488][ T5335] ksys_mmap_pgoff+0x544/0x720 [ 67.419243][ T5335] do_syscall_64+0xfa/0x250 [ 67.423736][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.429619][ T5335] [ 67.431931][ T5335] Freed by task 51: [ 67.435719][ T5335] kasan_save_track+0x3f/0x80 [ 67.440389][ T5335] kasan_save_free_info+0x40/0x50 [ 67.445401][ T5335] poison_slab_object+0xe0/0x150 [ 67.450331][ T5335] __kasan_slab_free+0x37/0x60 [ 67.455086][ T5335] kmem_cache_free+0x145/0x340 [ 67.459837][ T5335] rcu_core+0xafd/0x1830 [ 67.464085][ T5335] __do_softirq+0x2c6/0x980 [ 67.468611][ T5335] [ 67.470931][ T5335] Last potentially related work creation: [ 67.476635][ T5335] kasan_save_stack+0x3f/0x60 [ 67.481322][ T5335] __kasan_record_aux_stack+0xac/0xc0 [ 67.486693][ T5335] call_rcu+0x167/0xa70 [ 67.490845][ T5335] do_vmi_align_munmap+0x155c/0x18c0 [ 67.496126][ T5335] do_vmi_munmap+0x24e/0x2d0 [ 67.500708][ T5335] mmap_region+0x729/0x2030 [ 67.505202][ T5335] do_mmap+0x8ad/0xfa0 [ 67.509257][ T5335] vm_mmap_pgoff+0x1dd/0x3d0 [ 67.513838][ T5335] ksys_mmap_pgoff+0x544/0x720 [ 67.518589][ T5335] do_syscall_64+0xfa/0x250 [ 67.523083][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.528967][ T5335] [ 67.531279][ T5335] The buggy address belongs to the object at ffff8880163ac3e0 [ 67.531279][ T5335] which belongs to the cache vm_area_struct of size 184 [ 67.545582][ T5335] The buggy address is located 32 bytes inside of [ 67.545582][ T5335] freed 184-byte region [ffff8880163ac3e0, ffff8880163ac498) [ 67.559297][ T5335] [ 67.561624][ T5335] The buggy address belongs to the physical page: [ 67.568023][ T5335] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x163ac [ 67.576780][ T5335] flags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff) [ 67.583876][ T5335] page_type: 0xffffefff(slab) [ 67.588544][ T5335] raw: 00fff80000000000 ffff8880162a7b40 dead000000000100 dead000000000122 [ 67.597123][ T5335] raw: 0000000000000000 0000000000100010 00000001ffffefff 0000000000000000 [ 67.605690][ T5335] page dumped because: kasan: bad access detected [ 67.612090][ T5335] page_owner tracks the page as allocated [ 67.617793][ T5335] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 4760, tgid 1563571937 (dhcpcd-run-hook), ts 4760, free_ts 31621429750 [ 67.636272][ T5335] post_alloc_hook+0x1f3/0x230 [ 67.641119][ T5335] get_page_from_freelist+0x2ce2/0x2d90 [ 67.646674][ T5335] __alloc_pages_noprof+0x256/0x6c0 [ 67.651886][ T5335] alloc_slab_page+0x5f/0x120 [ 67.656568][ T5335] allocate_slab+0x5a/0x2e0 [ 67.661073][ T5335] ___slab_alloc+0xcd1/0x14b0 [ 67.665743][ T5335] __slab_alloc+0x58/0xa0 [ 67.670065][ T5335] kmem_cache_alloc_noprof+0x1c1/0x290 [ 67.675514][ T5335] vm_area_alloc+0x24/0x1d0 [ 67.680011][ T5335] alloc_bprm+0x37a/0xa40 [ 67.684332][ T5335] do_execveat_common+0x1b3/0x700 [ 67.689344][ T5335] __x64_sys_execve+0x92/0xb0 [ 67.694012][ T5335] do_syscall_64+0xfa/0x250 [ 67.698508][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.704391][ T5335] page last free pid 4759 tgid 4759 stack trace: [ 67.710701][ T5335] free_unref_page+0xd22/0xea0 [ 67.715459][ T5335] tlb_finish_mmu+0x11f/0x200 [ 67.720130][ T5335] exit_mmap+0x44f/0xc80 [ 67.724365][ T5335] __mmput+0x115/0x3c0 [ 67.728424][ T5335] exit_mm+0x220/0x310 [ 67.732481][ T5335] do_exit+0x99e/0x27e0 [ 67.736626][ T5335] do_group_exit+0x207/0x2c0 [ 67.741207][ T5335] __x64_sys_exit_group+0x3f/0x40 [ 67.746221][ T5335] do_syscall_64+0xfa/0x250 [ 67.750714][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.756599][ T5335] [ 67.758911][ T5335] Memory state around the buggy address: [ 67.764535][ T5335] ffff8880163ac300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 67.772581][ T5335] ffff8880163ac380: 00 00 00 00 fc fc fc fc fc fc fc fc fa fb fb fb [ 67.780629][ T5335] >ffff8880163ac400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.788673][ T5335] ^ [ 67.792722][ T5335] ffff8880163ac480: fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb [ 67.800769][ T5335] ffff8880163ac500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.808814][ T5335] ================================================================== [ 67.821620][ T5335] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 67.828847][ T5335] CPU: 1 PID: 5335 Comm: syz-executor233 Not tainted 6.9.0-rc3-next-20240412-syzkaller #0 [ 67.838730][ T5335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 67.848772][ T5335] Call Trace: [ 67.852041][ T5335] [ 67.854973][ T5335] dump_stack_lvl+0x241/0x360 [ 67.859648][ T5335] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.864846][ T5335] ? __pfx__printk+0x10/0x10 [ 67.869438][ T5335] ? preempt_schedule+0xe1/0xf0 [ 67.874287][ T5335] ? vscnprintf+0x5d/0x90 [ 67.878615][ T5335] panic+0x349/0x860 [ 67.882506][ T5335] ? check_panic_on_warn+0x21/0xb0 [ 67.887617][ T5335] ? __pfx_panic+0x10/0x10 [ 67.892029][ T5335] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 67.898009][ T5335] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 67.904330][ T5335] ? print_report+0x502/0x550 [ 67.909004][ T5335] check_panic_on_warn+0x86/0xb0 [ 67.913944][ T5335] ? hugetlb_fault+0x27b9/0x3910 [ 67.918909][ T5335] end_report+0x77/0x160 [ 67.923145][ T5335] kasan_report+0x154/0x180 [ 67.927638][ T5335] ? hugetlb_fault+0x27b9/0x3910 [ 67.932570][ T5335] hugetlb_fault+0x27b9/0x3910 [ 67.937338][ T5335] ? __pfx_hugetlb_fault+0x10/0x10 [ 67.942451][ T5335] ? reacquire_held_locks+0x3eb/0x690 [ 67.947820][ T5335] ? __pfx_reacquire_held_locks+0x10/0x10 [ 67.953535][ T5335] handle_mm_fault+0x18e8/0x1bb0 [ 67.958471][ T5335] ? lock_vma_under_rcu+0x18a/0x730 [ 67.963662][ T5335] ? __pfx_lock_release+0x10/0x10 [ 67.968676][ T5335] ? lock_vma_under_rcu+0x2f9/0x730 [ 67.973874][ T5335] ? __pfx_handle_mm_fault+0x10/0x10 [ 67.979150][ T5335] ? lock_vma_under_rcu+0x5e2/0x730 [ 67.984339][ T5335] ? lock_vma_under_rcu+0x18a/0x730 [ 67.989530][ T5335] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 67.995070][ T5335] ? exc_page_fault+0x113/0x900 [ 67.999913][ T5335] exc_page_fault+0x459/0x900 [ 68.004581][ T5335] asm_exc_page_fault+0x26/0x30 [ 68.009427][ T5335] RIP: 0033:0x7f6a2c7e7fcb [ 68.013833][ T5335] Code: bf a9 01 00 00 e8 15 4d 03 00 48 83 f8 ff 0f 84 99 fd ff ff 48 89 05 34 c1 0b 00 48 83 c4 08 5b 5d c3 66 0f 6f 05 c5 b0 08 00 <0f> 29 04 25 00 00 00 20 66 0f 6f 05 c5 b0 08 00 0f 11 04 25 0c 00 [ 68.033428][ T5335] RSP: 002b:00007f6a2c7b6160 EFLAGS: 00010246 [ 68.039487][ T5335] RAX: 0000000000000000 RBX: 00007f6a2c8a6318 RCX: 00007f6a2c81ccd9 [ 68.047447][ T5335] RDX: fe319eacbf5b3dac RSI: 0000000000000000 RDI: 00007f6a2c7b65a0 [ 68.055409][ T5335] RBP: 00007f6a2c8a6310 R08: 0000000000000000 R09: 00007f6a2c7b66c0 [ 68.063382][ T5335] R10: 00007f6a2c7b66c0 R11: 0000000000000246 R12: 00007f6a2c8a631c [ 68.071343][ T5335] R13: 000000000000006e R14: 00007ffee83e4b30 R15: 00007ffee83e4c18 [ 68.079311][ T5335] [ 68.082496][ T5335] Kernel Offset: disabled [ 68.086806][ T5335] Rebooting in 86400 seconds..