Warning: Permanently added '10.128.1.107' (ED25519) to the list of known hosts. executing program [ 41.947735][ T4020] loop0: detected capacity change from 0 to 128 [ 42.028093][ T4020] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 42.031580][ T4020] ================================================================== [ 42.033582][ T4020] BUG: KASAN: use-after-free in sysv_new_inode+0xd74/0xeec [ 42.035489][ T4020] Read of size 2 at addr ffff0000e1c7f1ce by task syz-executor347/4020 [ 42.037584][ T4020] [ 42.038173][ T4020] CPU: 1 PID: 4020 Comm: syz-executor347 Not tainted 5.15.174-syzkaller #0 [ 42.040417][ T4020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 42.043104][ T4020] Call trace: [ 42.043931][ T4020] dump_backtrace+0x0/0x530 [ 42.045077][ T4020] show_stack+0x2c/0x3c [ 42.046148][ T4020] dump_stack_lvl+0x108/0x170 [ 42.047358][ T4020] print_address_description+0x7c/0x3f0 [ 42.048737][ T4020] kasan_report+0x174/0x1e4 [ 42.049878][ T4020] __asan_report_load2_noabort+0x44/0x50 [ 42.051305][ T4020] sysv_new_inode+0xd74/0xeec [ 42.052450][ T4020] sysv_mknod+0x5c/0x100 [ 42.053574][ T4020] sysv_create+0x38/0x4c [ 42.054658][ T4020] path_openat+0xf18/0x26cc [ 42.055873][ T4020] do_filp_open+0x1a8/0x3b4 [ 42.056990][ T4020] do_sys_openat2+0x128/0x3e0 [ 42.058188][ T4020] __arm64_sys_openat+0x1f0/0x240 [ 42.059401][ T4020] invoke_syscall+0x98/0x2b8 [ 42.060569][ T4020] el0_svc_common+0x138/0x258 [ 42.061722][ T4020] do_el0_svc+0x58/0x14c [ 42.062776][ T4020] el0_svc+0x7c/0x1f0 [ 42.063823][ T4020] el0t_64_sync_handler+0x84/0xe4 [ 42.065135][ T4020] el0t_64_sync+0x1a0/0x1a4 [ 42.066316][ T4020] [ 42.066916][ T4020] The buggy address belongs to the page: [ 42.068371][ T4020] page:00000000ed97afbd refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x121c7f [ 42.070980][ T4020] flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) [ 42.072788][ T4020] raw: 05ffc00000000000 fffffc0003872008 fffffc0003871f88 0000000000000000 [ 42.074988][ T4020] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 42.077184][ T4020] page dumped because: kasan: bad access detected [ 42.078806][ T4020] [ 42.079379][ T4020] Memory state around the buggy address: [ 42.080802][ T4020] ffff0000e1c7f080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 42.082859][ T4020] ffff0000e1c7f100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 42.084866][ T4020] >ffff0000e1c7f180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 42.086818][ T4020] ^ [ 42.088398][ T4020] ffff0000e1c7f200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 42.090432][ T4020] ffff0000e1c7f280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 42.092488][ T4020] ================================================================== [ 42.094536][ T4020] Disabling lock debugging due to kernel taint executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.165770][ T153] attempt to access beyond end of device [ 47.165770][ T153] loop0: rw=1048577, want=6491538, limit=128 [ 47.168685][ T153] Buffer I/O error on dev loop0, logical block 3245768, lost async page write executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program