Warning: Permanently added '10.128.15.192' (ED25519) to the list of known hosts. 2025/05/14 20:56:35 ignoring optional flag "sandboxArg"="0" 2025/05/14 20:56:35 ignoring optional flag "type"="gce" 2025/05/14 20:56:36 parsed 1 programs [ 72.225086][ T1897] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/05/14 20:56:43 executed programs: 0 2025/05/14 20:56:49 executed programs: 2 [ 85.559602][ T2879] loop0: detected capacity change from 0 to 512 [ 85.576551][ T2879] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 85.652365][ T2879] loop0: detected capacity change from 512 to 511 [ 85.664767][ T2425] EXT4-fs error (device loop0): htree_dirblock_to_tree:1082: inode #2: block 21: comm syz-executor: bad entry in directory: directory entry overrun - offset=1004, inode=0, rec_len=1000, size=1024 fake=0 [ 85.685912][ T2425] EXT4-fs error (device loop0): ext4_inlinedir_to_tree:1339: inode #12: block 10: comm syz-executor: path /0/file0/file0: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=384 fake=0 [ 85.708302][ T2425] EXT4-fs error (device loop0): empty_inline_dir:1785: inode #12: block 10: comm syz-executor: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=60 fake=0 [ 85.729268][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 85.743458][ T2425] EXT4-fs error (device loop0): ext4_inlinedir_to_tree:1339: inode #12: block 10: comm syz-executor: path /0/file0/file0: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=384 fake=0 [ 85.765649][ T2425] EXT4-fs error (device loop0): empty_inline_dir:1785: inode #12: block 10: comm syz-executor: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=60 fake=0 [ 85.785169][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 85.799440][ T2425] EXT4-fs error (device loop0): ext4_inlinedir_to_tree:1339: inode #12: block 10: comm syz-executor: path /0/file0/file0: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=384 fake=0 [ 85.821880][ T2425] EXT4-fs error (device loop0): empty_inline_dir:1785: inode #12: block 10: comm syz-executor: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=60 fake=0 [ 85.841498][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 85.855606][ T2425] EXT4-fs error (device loop0): ext4_inlinedir_to_tree:1339: inode #12: block 10: comm syz-executor: path /0/file0/file0: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=384 fake=0 [ 85.877837][ T2425] EXT4-fs error (device loop0): empty_inline_dir:1785: inode #12: block 10: comm syz-executor: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=60 fake=0 [ 85.897543][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 85.911603][ T2425] EXT4-fs error (device loop0): ext4_inlinedir_to_tree:1339: inode #12: block 10: comm syz-executor: path /0/file0/file0: bad entry in directory: rec_len is smaller than minimal - offset=4, inode=0, rec_len=0, size=384 fake=0 [ 85.934044][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 85.948667][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 85.963336][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 85.977916][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 85.992579][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 86.007315][ T2425] EXT4-fs warning (device loop0): empty_inline_dir:1792: bad inline directory (dir #12) - inode 0, rec_len 0, name_len 0inline size 60 [ 86.087276][ T2425] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. 2025/05/14 20:56:56 executed programs: 5 [ 92.150904][ T3339] loop0: detected capacity change from 0 to 512 [ 92.166260][ T3339] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 92.232423][ T3339] loop0: detected capacity change from 512 to 511 [ 92.245634][ T2884] EXT4-fs error (device loop0): htree_dirblock_to_tree:1082: inode #2: block 21: comm syz-executor: bad entry in directory: directory entry overrun - offset=1004, inode=0, rec_len=1000, size=1024 fake=0 [ 92.266660][ T2884] ================================================================== [ 92.274739][ T2884] BUG: KASAN: use-after-free in ext4_read_inline_data+0x18f/0x280 [ 92.282644][ T2884] Read of size 324 at addr ffff8881298f8c05 by task syz-executor/2884 [ 92.290794][ T2884] [ 92.293133][ T2884] CPU: 0 UID: 0 PID: 2884 Comm: syz-executor Not tainted 6.15.0-rc6-syzkaller #0 PREEMPT(undef) [ 92.293140][ T2884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 92.293143][ T2884] Call Trace: [ 92.293147][ T2884] [ 92.293150][ T2884] dump_stack_lvl+0xf4/0x170 [ 92.293161][ T2884] ? __pfx_dump_stack_lvl+0x10/0x10 [ 92.293165][ T2884] ? rcu_is_watching+0x1f/0xa0 [ 92.293171][ T2884] ? lock_release+0x42/0x2f0 [ 92.293178][ T2884] ? lock_acquire+0x69/0x210 [ 92.293182][ T2884] ? lock_acquire+0x69/0x210 [ 92.293186][ T2884] ? __virt_addr_valid+0x142/0x270 [ 92.293193][ T2884] ? __virt_addr_valid+0x223/0x270 [ 92.293197][ T2884] print_report+0xb4/0x290 [ 92.293203][ T2884] ? ext4_read_inline_data+0x18f/0x280 [ 92.293209][ T2884] kasan_report+0x118/0x150 [ 92.293216][ T2884] ? ext4_read_inline_data+0x18f/0x280 [ 92.293220][ T2884] kasan_check_range+0x29a/0x2b0 [ 92.293225][ T2884] ? ext4_read_inline_data+0x18f/0x280 [ 92.293229][ T2884] __asan_memcpy+0x29/0x70 [ 92.293234][ T2884] ext4_read_inline_data+0x18f/0x280 [ 92.293238][ T2884] ext4_inlinedir_to_tree+0x2db/0xac0 [ 92.293243][ T2884] ? __update_page_owner_handle+0x4d/0x370 [ 92.293248][ T2884] ? __pfx_ext4_inlinedir_to_tree+0x10/0x10 [ 92.293256][ T2884] ext4_htree_fill_tree+0x3cb/0xef0 [ 92.293263][ T2884] ? __pfx_cgroup_rstat_updated+0x10/0x10 [ 92.293269][ T2884] ? __pfx_ext4_htree_fill_tree+0x10/0x10 [ 92.293274][ T2884] ? inode_query_iversion+0xbe/0x130 [ 92.293279][ T2884] ? __lock_acquire+0x5b/0x490 [ 92.293283][ T2884] ext4_readdir+0x233a/0x2d10 [ 92.293290][ T2884] ? __pfx_ext4_readdir+0x10/0x10 [ 92.293294][ T2884] ? rwsem_read_trylock+0x18e/0x210 [ 92.293298][ T2884] ? __pfx_rwsem_read_trylock+0x10/0x10 [ 92.293303][ T2884] ? iterate_dir+0xb5/0x4c0 [ 92.293307][ T2884] ? down_read_killable+0x120/0x1a0 [ 92.293314][ T2884] iterate_dir+0x1a7/0x4c0 [ 92.293318][ T2884] __se_sys_getdents64+0xd3/0x1a0 [ 92.293323][ T2884] ? __pfx___se_sys_getdents64+0x10/0x10 [ 92.293326][ T2884] ? exc_page_fault+0x54/0xc0 [ 92.293331][ T2884] ? __pfx_filldir64+0x10/0x10 [ 92.293335][ T2884] ? do_user_addr_fault+0x378/0xc30 [ 92.293340][ T2884] do_syscall_64+0x8f/0x170 [ 92.293343][ T2884] ? fpregs_assert_state_consistent+0x48/0x60 [ 92.293348][ T2884] ? clear_bhb_loop+0x40/0x90 [ 92.293353][ T2884] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.293357][ T2884] RIP: 0033:0x7f4fcddcc013 [ 92.293365][ T2884] Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 52 43 f8 ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 a8 ff ff ff f7 d8 [ 92.293369][ T2884] RSP: 002b:00007fff3af56c48 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 [ 92.293379][ T2884] RAX: ffffffffffffffda RBX: 0000555573c61520 RCX: 00007f4fcddcc013 [ 92.293383][ T2884] RDX: 0000000000008000 RSI: 0000555573c61520 RDI: 0000000000000006 [ 92.293386][ T2884] RBP: 0000555573c614f4 R08: 0000000000000000 R09: 0000000000000000 [ 92.293388][ T2884] R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffa8 [ 92.293391][ T2884] R13: 0000000000000016 R14: 0000555573c614f0 R15: 00007fff3af59fe0 [ 92.293395][ T2884] [ 92.293397][ T2884] [ 92.600510][ T2884] The buggy address belongs to the physical page: [ 92.607014][ T2884] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x6 pfn:0x1298f8 [ 92.615833][ T2884] flags: 0x200000000000000(node=0|zone=2) [ 92.621541][ T2884] page_type: f0(buddy) [ 92.625589][ T2884] raw: 0200000000000000 ffffea0004aa6208 ffff88823fffade8 0000000000000000 [ 92.634142][ T2884] raw: 0000000000000006 0000000000000003 00000000f0000000 0000000000000000 [ 92.642720][ T2884] page dumped because: kasan: bad access detected [ 92.649118][ T2884] page_owner tracks the page as freed [ 92.654460][ T2884] page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 2966, tgid 2966 (modprobe), ts 87180633347, free_ts 87188359572 [ 92.671792][ T2884] post_alloc_hook+0xec/0x120 [ 92.676447][ T2884] get_page_from_freelist+0x2bf4/0x2db0 [ 92.681980][ T2884] __alloc_frozen_pages_noprof+0x26b/0x460 [ 92.687777][ T2884] alloc_pages_mpol+0xcb/0x270 [ 92.692520][ T2884] vma_alloc_folio_noprof+0x288/0x400 [ 92.698304][ T2884] folio_prealloc+0x24/0xf0 [ 92.702998][ T2884] do_wp_page+0xaae/0x2db0 [ 92.707388][ T2884] handle_mm_fault+0x727/0x2100 [ 92.712308][ T2884] do_user_addr_fault+0x31a/0xc30 [ 92.717498][ T2884] exc_page_fault+0x54/0xc0 [ 92.722442][ T2884] asm_exc_page_fault+0x26/0x30 [ 92.727291][ T2884] page last free pid 2966 tgid 2966 stack trace: [ 92.733597][ T2884] free_unref_folios+0xa6f/0x11b0 [ 92.738599][ T2884] folios_put_refs+0x319/0x400 [ 92.743336][ T2884] free_pages_and_swap_cache+0x20d/0x3c0 [ 92.748936][ T2884] tlb_flush_mmu+0x2ba/0x500 [ 92.753497][ T2884] tlb_finish_mmu+0xaa/0x190 [ 92.758077][ T2884] exit_mmap+0x3b5/0x8b0 [ 92.762394][ T2884] __mmput+0x62/0x290 [ 92.766345][ T2884] exit_mm+0x11b/0x1b0 [ 92.770393][ T2884] do_exit+0x66b/0x2020 [ 92.774517][ T2884] do_group_exit+0x1b1/0x280 [ 92.779086][ T2884] __x64_sys_exit_group+0x3f/0x40 [ 92.784080][ T2884] x64_sys_call+0x21ba/0x21c0 [ 92.788726][ T2884] do_syscall_64+0x8f/0x170 [ 92.793283][ T2884] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.799459][ T2884] [ 92.801770][ T2884] Memory state around the buggy address: [ 92.807383][ T2884] ffff8881298f8b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 92.815417][ T2884] ffff8881298f8b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 92.823460][ T2884] >ffff8881298f8c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 92.831580][ T2884] ^ [ 92.835618][ T2884] ffff8881298f8c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 92.843647][ T2884] ffff8881298f8d00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 92.851675][ T2884] ================================================================== [ 92.860136][ T2884] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 92.867685][ T2884] Kernel Offset: disabled [ 92.872280][ T2884] Rebooting in 86400 seconds..