./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor325732927 <...> Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts. execve("./syz-executor325732927", ["./syz-executor325732927"], 0x7ffc5c0477e0 /* 10 vars */) = 0 brk(NULL) = 0x555556c7d000 brk(0x555556c7dd00) = 0x555556c7dd00 arch_prctl(ARCH_SET_FS, 0x555556c7d380) = 0 set_tid_address(0x555556c7d650) = 5780 set_robust_list(0x555556c7d660, 24) = 0 rseq(0x555556c7dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor325732927", 4096) = 27 getrandom("\x8f\x3e\x9a\x63\x67\xac\xce\x3a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556c7dd00 brk(0x555556c9ed00) = 0x555556c9ed00 brk(0x555556c9f000) = 0x555556c9f000 mprotect(0x7ff57bd51000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5781 attached , child_tidptr=0x555556c7d650) = 5781 [pid 5781] set_robust_list(0x555556c7d660, 24) = 0 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5781] setpgid(0, 0) = 0 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1000", 4) = 4 executing program [pid 5781] close(3) = 0 [pid 5781] write(1, "executing program\n", 18) = 18 [pid 5781] openat(AT_FDCWD, "/sys/kernel/debug/binder/failed_transaction_log", O_RDONLY) = 3 [ 201.236629][ T5781] ===================================================== [ 201.244436][ T5781] BUG: KMSAN: uninit-value in full_proxy_unlocked_ioctl+0xed/0x3a0 [ 201.252711][ T5781] full_proxy_unlocked_ioctl+0xed/0x3a0 [ 201.258420][ T5781] __se_sys_ioctl+0x246/0x440 [ 201.263310][ T5781] __x64_sys_ioctl+0x96/0xe0 [ 201.268064][ T5781] x64_sys_call+0x19f0/0x3c30 [ 201.272995][ T5781] do_syscall_64+0xcd/0x1e0 [ 201.277704][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.283941][ T5781] [ 201.286364][ T5781] Uninit was stored to memory at: [ 201.291912][ T5781] __debugfs_file_get+0xe59/0xef0 [ 201.297127][ T5781] full_proxy_open_regular+0x67/0xa00 [ 201.304108][ T5781] do_dentry_open+0x1bdd/0x26b0 [ 201.309350][ T5781] vfs_open+0x53/0x5b0 [ 201.313865][ T5781] path_openat+0x56a1/0x6250 [ 201.318905][ T5781] do_filp_open+0x268/0x600 [ 201.323715][ T5781] do_sys_openat2+0x1bf/0x2f0 [ 201.328646][ T5781] __x64_sys_openat+0x2a1/0x310 [ 201.333878][ T5781] x64_sys_call+0x36f5/0x3c30 [ 201.338748][ T5781] do_syscall_64+0xcd/0x1e0 [ 201.343591][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.349719][ T5781] [ 201.352255][ T5781] Uninit was stored to memory at: [ 201.357440][ T5781] __debugfs_file_get+0xdff/0xef0 [ 201.362701][ T5781] full_proxy_open_regular+0x67/0xa00 [ 201.368296][ T5781] do_dentry_open+0x1bdd/0x26b0 [ 201.373384][ T5781] vfs_open+0x53/0x5b0 [ 201.377605][ T5781] path_openat+0x56a1/0x6250 [ 201.382577][ T5781] do_filp_open+0x268/0x600 [ 201.387356][ T5781] do_sys_openat2+0x1bf/0x2f0 [ 201.392360][ T5781] __x64_sys_openat+0x2a1/0x310 [ 201.397433][ T5781] x64_sys_call+0x36f5/0x3c30 [ 201.402575][ T5781] do_syscall_64+0xcd/0x1e0 [ 201.407350][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.413528][ T5781] [ 201.415977][ T5781] Uninit was created at: [ 201.420684][ T5781] __kmalloc_cache_noprof+0x8e3/0xdf0 [ 201.426308][ T5781] __debugfs_file_get+0x31d/0xef0 [ 201.431642][ T5781] full_proxy_open_regular+0x67/0xa00 [ 201.437402][ T5781] do_dentry_open+0x1bdd/0x26b0 [ 201.442570][ T5781] vfs_open+0x53/0x5b0 [ 201.446880][ T5781] path_openat+0x56a1/0x6250 [ 201.451729][ T5781] do_filp_open+0x268/0x600 [ 201.456362][ T5781] do_sys_openat2+0x1bf/0x2f0 [ 201.461298][ T5781] __x64_sys_openat+0x2a1/0x310 [ 201.466330][ T5781] x64_sys_call+0x36f5/0x3c30 [ 201.471187][ T5781] do_syscall_64+0xcd/0x1e0 [ 201.475866][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.482008][ T5781] [ 201.484456][ T5781] CPU: 1 UID: 0 PID: 5781 Comm: syz-executor325 Not tainted 6.13.0-syzkaller-09585-gb4b0881156fb #0 [ 201.495548][ T5781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 201.506670][ T5781] ===================================================== [ 201.513821][ T5781] Disabling lock debugging due to kernel taint [ 201.520323][ T5781] Kernel panic - not syncing: kmsan.panic set ... [ 201.527103][ T5781] CPU: 1 UID: 0 PID: 5781 Comm: syz-executor325 Tainted: G B 6.13.0-syzkaller-09585-gb4b0881156fb #0 [ 201.539786][ T5781] Tainted: [B]=BAD_PAGE [ 201.544084][ T5781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 201.554242][ T5781] Call Trace: [ 201.557669][ T5781] [ 201.560662][ T5781] dump_stack_lvl+0x216/0x2d0 [ 201.565454][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 201.571374][ T5781] dump_stack+0x1e/0x24 [ 201.575612][ T5781] panic+0x4e2/0xcf0 [ 201.579623][ T5781] ? kmsan_get_metadata+0x61/0x1c0 [ 201.584934][ T5781] kmsan_report+0x2c7/0x2d0 [ 201.589642][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 201.595004][ T5781] ? __msan_warning+0x95/0x120 [ 201.599971][ T5781] ? full_proxy_unlocked_ioctl+0xed/0x3a0 [ 201.606588][ T5781] ? __se_sys_ioctl+0x246/0x440 [ 201.611558][ T5781] ? __x64_sys_ioctl+0x96/0xe0 [ 201.616734][ T5781] ? x64_sys_call+0x19f0/0x3c30 [ 201.621743][ T5781] ? do_syscall_64+0xcd/0x1e0 [ 201.626691][ T5781] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.633033][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 201.639628][ T5781] ? tomoyo_path_number_perm+0x82d/0x8f0 [ 201.645486][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 201.650842][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 201.656783][ T5781] ? do_vfs_ioctl+0x1cf5/0x3e60 [ 201.661792][ T5781] ? kmsan_get_metadata+0x13e/0x1c0 [ 201.667136][ T5781] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 201.673114][ T5781] __msan_warning+0x95/0x120 [ 201.677856][ T5781] full_proxy_unlocked_ioctl+0xed/0x3a0 [ 201.683579][ T5781] ? __pfx_full_proxy_unlocked_ioctl+0x10/0x10 [ 201.689921][ T5781] __se_sys_ioctl+0x246/0x440 [ 201.695000][ T5781] __x64_sys_ioctl+0x96/0xe0 [ 201.699731][ T5781] x64_sys_call+0x19f0/0x3c30 [ 201.704644][ T5781] do_syscall_64+0xcd/0x1e0 [ 201.709314][ T5781] ? clear_bhb_loop+0x25/0x80 [ 201.714175][ T5781] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 201.720391][ T5781] RIP: 0033:0x7ff57bcde9f9 [ 201.724946][ T5781] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 201.744811][ T5781] RSP: 002b:00007ffd36e48878 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 201.753375][ T5781] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff57bcde9f9 [ 201.761429][ T5781] RDX: 0000000000000000 RSI: 00000000c0189375 RDI: 0000000000000003 [ 201.769471][ T5781] RBP: 00007ff57bd515f0 R08: 0000000000000006 R09: 0000000000000006 [ 201.777520][ T5781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 201.785577][ T5781] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 201.794035][ T5781] [ 201.797541][ T5781] Kernel Offset: disabled [ 201.801959][ T5781] Rebooting in 86400 seconds..