./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1503857674 <...> Warning: Permanently added '10.128.0.74' (ED25519) to the list of known hosts. execve("./syz-executor1503857674", ["./syz-executor1503857674"], 0x7ffd1975d880 /* 10 vars */) = 0 brk(NULL) = 0x55558bc91000 brk(0x55558bc91d00) = 0x55558bc91d00 arch_prctl(ARCH_SET_FS, 0x55558bc91380) = 0 set_tid_address(0x55558bc91650) = 5086 set_robust_list(0x55558bc91660, 24) = 0 rseq(0x55558bc91ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1503857674", 4096) = 28 getrandom("\x85\x94\x78\x65\x04\x18\x78\x56", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558bc91d00 brk(0x55558bcb2d00) = 0x55558bcb2d00 brk(0x55558bcb3000) = 0x55558bcb3000 mprotect(0x7f1dbd696000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached , child_tidptr=0x55558bc91650) = 5087 [pid 5087] set_robust_list(0x55558bc91660, 24) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] write(1, "executing program\n", 18executing program ) = 18 [pid 5087] memfd_create("syzkaller", 0) = 3 [pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1db5000000 [pid 5087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5087] munmap(0x7f1db5000000, 138412032) = 0 [pid 5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5087] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5087] close(3) = 0 [pid 5087] close(4) = 0 [pid 5087] mkdir("./file2", 0777) = 0 [pid 5087] mount("/dev/loop0", "./file2", "jfs", MS_SILENT|MS_STRICTATIME|MS_LAZYTIME, "") = 0 [pid 5087] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 5087] chdir("./file2") = 0 [ 76.197197][ T5087] loop0: detected capacity change from 0 to 32768 [pid 5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5087] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 4 [ 76.281221][ T5087] ------------[ cut here ]------------ [ 76.286946][ T5087] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:661:7 [ 76.294759][ T5087] index 128 is out of range for type 's64[128]' (aka 'long long[128]') [ 76.303218][ T5087] CPU: 1 PID: 5087 Comm: syz-executor150 Not tainted 6.10.0-rc7-syzkaller #0 [ 76.312115][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 76.322299][ T5087] Call Trace: [ 76.325619][ T5087] [ 76.328742][ T5087] dump_stack_lvl+0x241/0x360 [ 76.333559][ T5087] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.338777][ T5087] ? __pfx__printk+0x10/0x10 [ 76.343382][ T5087] ? __pfx___mutex_lock+0x10/0x10 [ 76.348456][ T5087] __ubsan_handle_out_of_bounds+0x121/0x150 [ 76.354394][ T5087] dbNextAG+0x3f3/0x630 [ 76.358616][ T5087] diAlloc+0x6c6/0x1760 [ 76.362824][ T5087] ialloc+0x8f/0x900 [ 76.366739][ T5087] jfs_create+0x1be/0xb90 [ 76.371180][ T5087] ? d_splice_alias+0x113/0x330 [ 76.376056][ T5087] ? jfs_lookup+0x2c0/0x410 [ 76.380577][ T5087] ? __pfx_jfs_create+0x10/0x10 [ 76.385455][ T5087] ? __pfx_jfs_lookup+0x10/0x10 [ 76.390351][ T5087] ? make_vfsuid+0x46/0x90 [ 76.394797][ T5087] ? bpf_lsm_inode_create+0x9/0x10 [ 76.399920][ T5087] ? security_inode_create+0xc2/0x110 [ 76.405313][ T5087] ? __pfx_jfs_create+0x10/0x10 [ 76.410270][ T5087] path_openat+0x1a84/0x35f0 [ 76.414910][ T5087] ? __pfx_path_openat+0x10/0x10 [ 76.419895][ T5087] do_filp_open+0x235/0x490 [ 76.424424][ T5087] ? __pfx_do_filp_open+0x10/0x10 [ 76.429497][ T5087] ? _raw_spin_unlock+0x28/0x50 [ 76.434547][ T5087] ? alloc_fd+0x5a1/0x640 [ 76.438896][ T5087] do_sys_openat2+0x13e/0x1d0 [ 76.443682][ T5087] ? __pfx_do_sys_openat2+0x10/0x10 [ 76.448897][ T5087] ? lockdep_hardirqs_on+0x99/0x150 [ 76.454287][ T5087] ? _raw_spin_unlock_irq+0x2e/0x50 [ 76.459504][ T5087] ? ptrace_notify+0x279/0x380 [ 76.464382][ T5087] __x64_sys_openat+0x247/0x2a0 [ 76.469463][ T5087] ? __pfx___x64_sys_openat+0x10/0x10 [ 76.477256][ T5087] ? do_syscall_64+0x100/0x230 [ 76.482069][ T5087] do_syscall_64+0xf3/0x230 [ 76.486878][ T5087] ? clear_bhb_loop+0x35/0x90 [ 76.491608][ T5087] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.497557][ T5087] RIP: 0033:0x7f1dbd61ca99 [ 76.502210][ T5087] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 76.522137][ T5087] RSP: 002b:00007ffef15457a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 76.530609][ T5087] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1dbd61ca99 [ 76.538730][ T5087] RDX: 000000000000275a RSI: 00000000200005c0 RDI: 00000000ffffff9c [ 76.547173][ T5087] RBP: 00007f1dbd6965f0 R08: 000055558bc924c0 R09: 000055558bc924c0 [ 76.555248][ T5087] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffef15457d0 [ 76.563317][ T5087] R13: 00007ffef15459f8 R14: 431bde82d7b634db R15: 00007f1dbd66503b [ 76.571321][ T5087] [ 76.575059][ T5087] ---[ end trace ]--- [ 76.579602][ T5087] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 76.586913][ T5087] CPU: 1 PID: 5087 Comm: syz-executor150 Not tainted 6.10.0-rc7-syzkaller #0 [ 76.595950][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 76.606034][ T5087] Call Trace: [ 76.609466][ T5087] [ 76.612464][ T5087] dump_stack_lvl+0x241/0x360 [ 76.617171][ T5087] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.622416][ T5087] ? __pfx__printk+0x10/0x10 [ 76.627035][ T5087] ? vprintk_emit+0x631/0x770 [ 76.631822][ T5087] ? vscnprintf+0x5d/0x90 [ 76.636172][ T5087] panic+0x349/0x860 [ 76.640175][ T5087] ? check_panic_on_warn+0x21/0xb0 [ 76.645298][ T5087] ? __pfx_panic+0x10/0x10 [ 76.649737][ T5087] ? _printk+0xd5/0x120 [ 76.653928][ T5087] ? __pfx__printk+0x10/0x10 [ 76.658549][ T5087] ? __pfx___mutex_lock+0x10/0x10 [ 76.663760][ T5087] check_panic_on_warn+0x86/0xb0 [ 76.668899][ T5087] __ubsan_handle_out_of_bounds+0x141/0x150 [ 76.674839][ T5087] dbNextAG+0x3f3/0x630 [ 76.679117][ T5087] diAlloc+0x6c6/0x1760 [ 76.683308][ T5087] ialloc+0x8f/0x900 [ 76.687232][ T5087] jfs_create+0x1be/0xb90 [ 76.691584][ T5087] ? d_splice_alias+0x113/0x330 [ 76.696490][ T5087] ? jfs_lookup+0x2c0/0x410 [ 76.701055][ T5087] ? __pfx_jfs_create+0x10/0x10 [ 76.706071][ T5087] ? __pfx_jfs_lookup+0x10/0x10 [ 76.711061][ T5087] ? make_vfsuid+0x46/0x90 [ 76.715498][ T5087] ? bpf_lsm_inode_create+0x9/0x10 [ 76.720718][ T5087] ? security_inode_create+0xc2/0x110 [ 76.726389][ T5087] ? __pfx_jfs_create+0x10/0x10 [ 76.731300][ T5087] path_openat+0x1a84/0x35f0 [ 76.735960][ T5087] ? __pfx_path_openat+0x10/0x10 [ 76.740947][ T5087] do_filp_open+0x235/0x490 [ 76.745578][ T5087] ? __pfx_do_filp_open+0x10/0x10 [ 76.751482][ T5087] ? _raw_spin_unlock+0x28/0x50 [ 76.756363][ T5087] ? alloc_fd+0x5a1/0x640 [ 76.760724][ T5087] do_sys_openat2+0x13e/0x1d0 [ 76.765427][ T5087] ? __pfx_do_sys_openat2+0x10/0x10 [ 76.770656][ T5087] ? lockdep_hardirqs_on+0x99/0x150 [ 76.776066][ T5087] ? _raw_spin_unlock_irq+0x2e/0x50 [ 76.781302][ T5087] ? ptrace_notify+0x279/0x380 [ 76.786108][ T5087] __x64_sys_openat+0x247/0x2a0 [ 76.791154][ T5087] ? __pfx___x64_sys_openat+0x10/0x10 [ 76.796723][ T5087] ? do_syscall_64+0x100/0x230 [ 76.801773][ T5087] do_syscall_64+0xf3/0x230 [ 76.806385][ T5087] ? clear_bhb_loop+0x35/0x90 [ 76.811214][ T5087] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.817140][ T5087] RIP: 0033:0x7f1dbd61ca99 [ 76.821657][ T5087] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 76.841628][ T5087] RSP: 002b:00007ffef15457a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 76.850094][ T5087] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1dbd61ca99 [ 76.858083][ T5087] RDX: 000000000000275a RSI: 00000000200005c0 RDI: 00000000ffffff9c [ 76.866178][ T5087] RBP: 00007f1dbd6965f0 R08: 000055558bc924c0 R09: 000055558bc924c0 [ 76.874177][ T5087] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffef15457d0 [ 76.882174][ T5087] R13: 00007ffef15459f8 R14: 431bde82d7b634db R15: 00007f1dbd66503b [ 76.890364][ T5087] [ 76.893793][ T5087] Kernel Offset: disabled [ 76.898180][ T5087] Rebooting in 86400 seconds..