Warning: Permanently added '10.128.1.179' (ED25519) to the list of known hosts. 2023/11/11 01:27:16 ignoring optional flag "sandboxArg"="0" 2023/11/11 01:27:17 parsed 1 programs 2023/11/11 01:27:17 executed programs: 0 [ 52.330841][ T1503] loop0: detected capacity change from 0 to 2048 [ 52.356170][ T1503] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 52.375095][ T1503] ================================================================== [ 52.383151][ T1503] BUG: KASAN: use-after-free in ext4_convert_inline_data_nolock+0x282/0xc10 [ 52.391801][ T1503] Read of size 20 at addr ffff88811a7001a3 by task syz-executor.0/1503 [ 52.400008][ T1503] [ 52.402309][ T1503] CPU: 1 PID: 1503 Comm: syz-executor.0 Not tainted 6.1.62-syzkaller #0 [ 52.410600][ T1503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 52.420624][ T1503] Call Trace: [ 52.423876][ T1503] [ 52.426784][ T1503] dump_stack_lvl+0xf4/0x251 [ 52.431355][ T1503] ? ext4_convert_inline_data+0x3b8/0x4d0 [ 52.437055][ T1503] ? nf_tcp_handle_invalid+0x2f3/0x2f3 [ 52.442514][ T1503] ? panic+0x3f7/0x3f7 [ 52.446558][ T1503] ? _printk+0xca/0x10a [ 52.450686][ T1503] print_report+0x15f/0x4f0 [ 52.455157][ T1503] ? ext4_convert_inline_data_nolock+0x282/0xc10 [ 52.461452][ T1503] kasan_report+0x136/0x160 [ 52.465923][ T1503] ? ext4_convert_inline_data_nolock+0x282/0xc10 [ 52.472317][ T1503] kasan_check_range+0x27f/0x290 [ 52.477232][ T1503] ? ext4_convert_inline_data_nolock+0x282/0xc10 [ 52.483534][ T1503] memcpy+0x25/0x60 [ 52.487323][ T1503] ext4_convert_inline_data_nolock+0x282/0xc10 [ 52.493458][ T1503] ? __down_write_common+0x12a/0x1e0 [ 52.498719][ T1503] ? ext4_add_dirent_to_inline+0x390/0x390 [ 52.504501][ T1503] ? __ext4_journal_start_sb+0xa4/0x360 [ 52.510454][ T1503] ext4_convert_inline_data+0x3b8/0x4d0 [ 52.515987][ T1503] ? ext4_inline_data_truncate+0xb70/0xb70 [ 52.521767][ T1503] ext4_fallocate+0x136/0x1790 [ 52.526507][ T1503] ? read_lock_is_recursive+0x10/0x10 [ 52.531853][ T1503] ? ext4_ext_truncate+0x260/0x260 [ 52.536936][ T1503] ? preempt_count_add+0x8f/0x120 [ 52.541928][ T1503] vfs_fallocate+0x30c/0x3d0 [ 52.546489][ T1503] __x64_sys_fallocate+0xa6/0xd0 [ 52.551397][ T1503] do_syscall_64+0x3d/0x80 [ 52.555782][ T1503] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.561648][ T1503] RIP: 0033:0x7f19fe6d0959 [ 52.566058][ T1503] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 52.585821][ T1503] RSP: 002b:00007f19fe2530c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 52.594207][ T1503] RAX: ffffffffffffffda RBX: 00007f19fe7eff80 RCX: 00007f19fe6d0959 [ 52.602150][ T1503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 52.610178][ T1503] RBP: 00007f19fe72cc88 R08: 0000000000000000 R09: 0000000000000000 [ 52.618137][ T1503] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000 [ 52.626077][ T1503] R13: 0000000000000006 R14: 00007f19fe7eff80 R15: 00007fff55d92488 [ 52.634031][ T1503] [ 52.637024][ T1503] [ 52.639322][ T1503] Allocated by task 1430: [ 52.643616][ T1503] kasan_set_track+0x4b/0x70 [ 52.648192][ T1503] __kasan_slab_alloc+0x65/0x70 [ 52.653013][ T1503] slab_post_alloc_hook+0x54/0x3e0 [ 52.658114][ T1503] kmem_cache_alloc+0x10c/0x290 [ 52.662932][ T1503] getname_flags+0x9c/0x430 [ 52.667415][ T1503] do_sys_openat2+0xb5/0x420 [ 52.671973][ T1503] __x64_sys_openat+0x209/0x250 [ 52.676796][ T1503] do_syscall_64+0x3d/0x80 [ 52.681281][ T1503] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.687151][ T1503] [ 52.689451][ T1503] Freed by task 1430: [ 52.693403][ T1503] kasan_set_track+0x4b/0x70 [ 52.697962][ T1503] kasan_save_free_info+0x27/0x40 [ 52.702959][ T1503] ____kasan_slab_free+0x122/0x1e0 [ 52.708041][ T1503] kmem_cache_free+0x2e8/0x510 [ 52.712777][ T1503] do_sys_openat2+0x328/0x420 [ 52.717423][ T1503] __x64_sys_openat+0x209/0x250 [ 52.722241][ T1503] do_syscall_64+0x3d/0x80 [ 52.726627][ T1503] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.732578][ T1503] [ 52.734876][ T1503] The buggy address belongs to the object at ffff88811a700000 [ 52.734876][ T1503] which belongs to the cache names_cache of size 4096 [ 52.748982][ T1503] The buggy address is located 419 bytes inside of [ 52.748982][ T1503] 4096-byte region [ffff88811a700000, ffff88811a701000) [ 52.762308][ T1503] [ 52.764608][ T1503] The buggy address belongs to the physical page: [ 52.770986][ T1503] page:ffffea000469c000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a700 [ 52.781187][ T1503] head:ffffea000469c000 order:3 compound_mapcount:0 compound_pincount:0 [ 52.789477][ T1503] flags: 0x200000000010200(slab|head|node=0|zone=2) [ 52.796036][ T1503] raw: 0200000000010200 ffffea0004619c00 dead000000000002 ffff88810015a500 [ 52.804587][ T1503] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 [ 52.813135][ T1503] page dumped because: kasan: bad access detected [ 52.819600][ T1503] page_owner tracks the page as allocated [ 52.825283][ T1503] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 371, tgid 371 (udevd), ts 4270697315, free_ts 0 [ 52.845132][ T1503] post_alloc_hook+0x286/0x2b0 [ 52.849868][ T1503] get_page_from_freelist+0x2ba7/0x2de0 [ 52.855558][ T1503] __alloc_pages+0x251/0x640 [ 52.860118][ T1503] alloc_slab_page+0x6a/0x150 [ 52.864852][ T1503] new_slab+0x70/0x250 [ 52.868897][ T1503] ___slab_alloc+0x9df/0xe70 [ 52.873457][ T1503] kmem_cache_alloc+0x18b/0x290 [ 52.878277][ T1503] getname_flags+0x9c/0x430 [ 52.882752][ T1503] __x64_sys_mkdir+0x56/0x70 [ 52.887312][ T1503] do_syscall_64+0x3d/0x80 [ 52.891707][ T1503] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.897570][ T1503] page_owner free stack trace missing [ 52.902928][ T1503] [ 52.905235][ T1503] Memory state around the buggy address: [ 52.910839][ T1503] ffff88811a700080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.918875][ T1503] ffff88811a700100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.926991][ T1503] >ffff88811a700180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.935025][ T1503] ^ [ 52.940105][ T1503] ffff88811a700200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.948137][ T1503] ffff88811a700280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.956166][ T1503] ================================================================== [ 52.964612][ T1503] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 52.972065][ T1503] Kernel Offset: disabled [ 52.976365][ T1503] Rebooting in 86400 seconds..