./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor525810667 <...> Warning: Permanently added '10.128.0.93' (ED25519) to the list of known hosts. execve("./syz-executor525810667", ["./syz-executor525810667"], 0x7ffe45e798b0 /* 10 vars */) = 0 brk(NULL) = 0x55558342c000 brk(0x55558342cd00) = 0x55558342cd00 arch_prctl(ARCH_SET_FS, 0x55558342c380) = 0 set_tid_address(0x55558342c650) = 5089 set_robust_list(0x55558342c660, 24) = 0 rseq(0x55558342cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor525810667", 4096) = 27 getrandom("\xf1\x8f\xdc\x92\x31\x68\x15\x7b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558342cd00 brk(0x55558344dd00) = 0x55558344dd00 brk(0x55558344e000) = 0x55558344e000 mprotect(0x7f4edb0b3000, 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 5090 attached , child_tidptr=0x55558342c650) = 5090 [pid 5090] set_robust_list(0x55558342c660, 24) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] write(1, "executing program\n", 18executing program ) = 18 [pid 5090] memfd_create("syzkaller", 0) = 3 [pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4ed2a00000 [pid 5090] 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 5090] munmap(0x7f4ed2a00000, 138412032) = 0 [pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5090] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5090] close(3) = 0 [pid 5090] close(4) = 0 [pid 5090] mkdir("./file2", 0777) = 0 [pid 5090] mount("/dev/loop0", "./file2", "jfs", MS_SILENT|MS_STRICTATIME|MS_LAZYTIME, "") = 0 [pid 5090] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 5090] chdir("./file2") = 0 [pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5090] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 4 [ 80.273306][ T5090] loop0: detected capacity change from 0 to 32768 [ 80.324052][ T5090] ------------[ cut here ]------------ [ 80.330001][ T5090] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:661:7 [ 80.337605][ T5090] index 128 is out of range for type 's64[128]' (aka 'long long[128]') [ 80.345914][ T5090] CPU: 1 PID: 5090 Comm: syz-executor525 Not tainted 6.10.0-rc7-syzkaller #0 [ 80.354684][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 80.364761][ T5090] Call Trace: [ 80.368043][ T5090] [ 80.370975][ T5090] dump_stack_lvl+0x241/0x360 [ 80.375697][ T5090] ? __pfx_dump_stack_lvl+0x10/0x10 [ 80.380914][ T5090] ? __pfx__printk+0x10/0x10 [ 80.385520][ T5090] ? __pfx___mutex_lock+0x10/0x10 [ 80.390553][ T5090] __ubsan_handle_out_of_bounds+0x121/0x150 [ 80.396469][ T5090] dbNextAG+0x3f3/0x630 [ 80.400646][ T5090] diAlloc+0x6c6/0x1760 [ 80.404817][ T5090] ialloc+0x8f/0x900 [ 80.408729][ T5090] jfs_create+0x1be/0xb90 [ 80.413076][ T5090] ? d_splice_alias+0x113/0x330 [ 80.417943][ T5090] ? jfs_lookup+0x2c0/0x410 [ 80.422452][ T5090] ? __pfx_jfs_create+0x10/0x10 [ 80.427430][ T5090] ? __pfx_jfs_lookup+0x10/0x10 [ 80.432342][ T5090] ? make_vfsuid+0x46/0x90 [ 80.436815][ T5090] ? bpf_lsm_inode_create+0x9/0x10 [ 80.441935][ T5090] ? security_inode_create+0xc2/0x110 [ 80.447362][ T5090] ? __pfx_jfs_create+0x10/0x10 [ 80.452250][ T5090] path_openat+0x1a84/0x35f0 [ 80.456904][ T5090] ? __pfx_path_openat+0x10/0x10 [ 80.461867][ T5090] do_filp_open+0x235/0x490 [ 80.466386][ T5090] ? __pfx_do_filp_open+0x10/0x10 [ 80.471539][ T5090] ? _raw_spin_unlock+0x28/0x50 [ 80.476397][ T5090] ? alloc_fd+0x5a1/0x640 [ 80.480732][ T5090] do_sys_openat2+0x13e/0x1d0 [ 80.485428][ T5090] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.490710][ T5090] ? lockdep_hardirqs_on+0x99/0x150 [ 80.495931][ T5090] ? _raw_spin_unlock_irq+0x2e/0x50 [ 80.501141][ T5090] ? ptrace_notify+0x279/0x380 [ 80.506018][ T5090] __x64_sys_openat+0x247/0x2a0 [ 80.510907][ T5090] ? __pfx___x64_sys_openat+0x10/0x10 [ 80.516289][ T5090] ? do_syscall_64+0x100/0x230 [ 80.521072][ T5090] do_syscall_64+0xf3/0x230 [ 80.525585][ T5090] ? clear_bhb_loop+0x35/0x90 [ 80.530272][ T5090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.536184][ T5090] RIP: 0033:0x7f4edb039a99 [ 80.540612][ T5090] 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 [ 80.560407][ T5090] RSP: 002b:00007ffec33e0358 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 80.568845][ T5090] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4edb039a99 [ 80.576905][ T5090] RDX: 000000000000275a RSI: 00000000200005c0 RDI: 00000000ffffff9c [ 80.584889][ T5090] RBP: 00007f4edb0b35f0 R08: 000055558342d4c0 R09: 000055558342d4c0 [ 80.592965][ T5090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec33e0380 [ 80.600942][ T5090] R13: 00007ffec33e05a8 R14: 431bde82d7b634db R15: 00007f4edb08203b [ 80.608941][ T5090] [ 80.613613][ T5090] ---[ end trace ]--- [ 80.617732][ T5090] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 80.624944][ T5090] CPU: 1 PID: 5090 Comm: syz-executor525 Not tainted 6.10.0-rc7-syzkaller #0 [ 80.633708][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 80.643763][ T5090] Call Trace: [ 80.647043][ T5090] [ 80.649970][ T5090] dump_stack_lvl+0x241/0x360 [ 80.654666][ T5090] ? __pfx_dump_stack_lvl+0x10/0x10 [ 80.659877][ T5090] ? __pfx__printk+0x10/0x10 [ 80.664507][ T5090] ? vprintk_emit+0x631/0x770 [ 80.669208][ T5090] ? vscnprintf+0x5d/0x90 [ 80.673575][ T5090] panic+0x349/0x860 [ 80.677498][ T5090] ? check_panic_on_warn+0x21/0xb0 [ 80.682622][ T5090] ? __pfx_panic+0x10/0x10 [ 80.687057][ T5090] ? _printk+0xd5/0x120 [ 80.691230][ T5090] ? __pfx__printk+0x10/0x10 [ 80.695832][ T5090] ? __pfx___mutex_lock+0x10/0x10 [ 80.700863][ T5090] check_panic_on_warn+0x86/0xb0 [ 80.705817][ T5090] __ubsan_handle_out_of_bounds+0x141/0x150 [ 80.711723][ T5090] dbNextAG+0x3f3/0x630 [ 80.715910][ T5090] diAlloc+0x6c6/0x1760 [ 80.720103][ T5090] ialloc+0x8f/0x900 [ 80.724044][ T5090] jfs_create+0x1be/0xb90 [ 80.728390][ T5090] ? d_splice_alias+0x113/0x330 [ 80.733260][ T5090] ? jfs_lookup+0x2c0/0x410 [ 80.737870][ T5090] ? __pfx_jfs_create+0x10/0x10 [ 80.742753][ T5090] ? __pfx_jfs_lookup+0x10/0x10 [ 80.747663][ T5090] ? make_vfsuid+0x46/0x90 [ 80.752204][ T5090] ? bpf_lsm_inode_create+0x9/0x10 [ 80.757417][ T5090] ? security_inode_create+0xc2/0x110 [ 80.762815][ T5090] ? __pfx_jfs_create+0x10/0x10 [ 80.767864][ T5090] path_openat+0x1a84/0x35f0 [ 80.772517][ T5090] ? __pfx_path_openat+0x10/0x10 [ 80.777502][ T5090] do_filp_open+0x235/0x490 [ 80.782035][ T5090] ? __pfx_do_filp_open+0x10/0x10 [ 80.787186][ T5090] ? _raw_spin_unlock+0x28/0x50 [ 80.792058][ T5090] ? alloc_fd+0x5a1/0x640 [ 80.796492][ T5090] do_sys_openat2+0x13e/0x1d0 [ 80.801188][ T5090] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.806415][ T5090] ? lockdep_hardirqs_on+0x99/0x150 [ 80.811632][ T5090] ? _raw_spin_unlock_irq+0x2e/0x50 [ 80.816861][ T5090] ? ptrace_notify+0x279/0x380 [ 80.821657][ T5090] __x64_sys_openat+0x247/0x2a0 [ 80.826534][ T5090] ? __pfx___x64_sys_openat+0x10/0x10 [ 80.831934][ T5090] ? do_syscall_64+0x100/0x230 [ 80.836816][ T5090] do_syscall_64+0xf3/0x230 [ 80.841340][ T5090] ? clear_bhb_loop+0x35/0x90 [ 80.846035][ T5090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.851941][ T5090] RIP: 0033:0x7f4edb039a99 [ 80.856368][ T5090] 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 [ 80.875979][ T5090] RSP: 002b:00007ffec33e0358 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 80.884416][ T5090] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4edb039a99 [ 80.892482][ T5090] RDX: 000000000000275a RSI: 00000000200005c0 RDI: 00000000ffffff9c [ 80.900568][ T5090] RBP: 00007f4edb0b35f0 R08: 000055558342d4c0 R09: 000055558342d4c0 [ 80.908575][ T5090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec33e0380 [ 80.916583][ T5090] R13: 00007ffec33e05a8 R14: 431bde82d7b634db R15: 00007f4edb08203b [ 80.924626][ T5090] [ 80.927943][ T5090] Kernel Offset: disabled [ 80.932332][ T5090] Rebooting in 86400 seconds..