./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2408561641 <...> Warning: Permanently added '10.128.1.55' (ED25519) to the list of known hosts. execve("./syz-executor2408561641", ["./syz-executor2408561641"], 0x7ffc8db31820 /* 10 vars */) = 0 brk(NULL) = 0x555588d08000 brk(0x555588d08d00) = 0x555588d08d00 arch_prctl(ARCH_SET_FS, 0x555588d08380) = 0 set_tid_address(0x555588d08650) = 5079 set_robust_list(0x555588d08660, 24) = 0 rseq(0x555588d08ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2408561641", 4096) = 28 getrandom("\x17\xb4\x36\x89\x60\x28\xec\x2a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555588d08d00 brk(0x555588d29d00) = 0x555588d29d00 brk(0x555588d2a000) = 0x555588d2a000 mprotect(0x7fdc6e741000, 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 mkdir("./syzkaller.A5g0Rz", 0700) = 0 chmod("./syzkaller.A5g0Rz", 0777) = 0 chdir("./syzkaller.A5g0Rz") = 0 mkdir("./0", 0777) = 0 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 5080 attached [pid 5080] set_robust_list(0x555588d08660, 24) = 0 [pid 5080] chdir("./0" [pid 5079] <... clone resumed>, child_tidptr=0x555588d08650) = 5080 [pid 5080] <... chdir resumed>) = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] setpgid(0, 0) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1000", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5080] write(1, "executing program\n", 18) = 18 [pid 5080] memfd_create("syzkaller", 0) = 3 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdc66200000 [pid 5080] 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 5080] munmap(0x7fdc66200000, 138412032) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5080] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5080] close(3) = 0 [pid 5080] close(4) = 0 [pid 5080] mkdir("./file0", 0777) = 0 syzkaller login: [ 57.718318][ T5080] loop0: detected capacity change from 0 to 32768 [ 57.741153][ T5080] ======================================================= [ 57.741153][ T5080] WARNING: The mand mount option has been deprecated and [ 57.741153][ T5080] and is ignored by this kernel. Remove the mand [pid 5080] mount("/dev/loop0", "./file0", "jfs", MS_NODEV|MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_REC, "") = 0 [pid 5080] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5080] chdir("./file0") = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5080] mount(NULL, "./file0", "devpts", 0, NULL) = 0 [pid 5080] exit_group(0) = ? [pid 5080] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555588d096f0 /* 4 entries */, 32768) = 112 [ 57.741153][ T5080] option from the mount to silence this warning. [ 57.741153][ T5080] ======================================================= [ 57.782405][ T5080] [ 57.782405][ T5080] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 57.782405][ T5080] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0755, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=40, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555588d11730 /* 7 entries */, 32768) = 208 umount2("./0/file0/file.cold", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0/file.cold", {st_mode=S_IFREG|0755, st_size=100, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 57.879846][ T5079] non-latin1 character 0x3ff found in JFS file name [ 57.886662][ T5079] mount with iocharset=utf8 to access [ 57.895740][ T5079] [ 57.895740][ T5079] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 57.895740][ T5079] [ 57.906369][ T5079] [ 57.906369][ T5079] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 57.906369][ T5079] [ 57.916827][ T5079] [ 57.916827][ T5079] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 57.916827][ T5079] [ 57.927286][ T5079] unlink("./0/file0/file.cold") = 0 umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [ 57.927286][ T5079] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 57.927286][ T5079] [ 57.939998][ T114] ------------[ cut here ]------------ [ 57.945535][ T114] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:886:2 [ 57.952999][ T114] index -134217728 is out of range for type 'struct mutex[128]' [ 57.960751][ T114] CPU: 1 PID: 114 Comm: jfsCommit Not tainted 6.10.0-rc6-syzkaller-00048-g73e931504f8e #0 [ 57.970650][ T114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 57.980706][ T114] Call Trace: [ 57.983983][ T114] [ 57.986910][ T114] dump_stack_lvl+0x241/0x360 [ 57.991607][ T114] ? __pfx_dump_stack_lvl+0x10/0x10 [ 57.996799][ T114] ? __pfx__printk+0x10/0x10 [ 58.001391][ T114] __ubsan_handle_out_of_bounds+0x121/0x150 [ 58.007306][ T114] diFree+0x21c3/0x2fb0 [ 58.011502][ T114] ? __pfx_diFree+0x10/0x10 [ 58.016009][ T114] ? jfs_free_zero_link+0x46e/0x6e0 [ 58.021205][ T114] ? inode_wait_for_writeback+0x224/0x290 [ 58.026918][ T114] ? __pfx_jfs_free_zero_link+0x10/0x10 [ 58.032472][ T114] ? __pfx_wake_bit_function+0x10/0x10 [ 58.037933][ T114] jfs_evict_inode+0x32d/0x440 [ 58.042718][ T114] ? __pfx_jfs_evict_inode+0x10/0x10 [ 58.048016][ T114] evict+0x2a8/0x630 [ 58.051913][ T114] txUpdateMap+0x829/0x9f0 [ 58.056332][ T114] ? __pfx_txUpdateMap+0x10/0x10 [ 58.061273][ T114] jfs_lazycommit+0x49a/0xb80 [ 58.065943][ T114] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 58.071837][ T114] ? lockdep_hardirqs_on+0x99/0x150 umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 58.077050][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 58.082248][ T114] ? __pfx_default_wake_function+0x10/0x10 [ 58.088054][ T114] ? __kthread_parkme+0x169/0x1d0 [ 58.093074][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 58.098266][ T114] kthread+0x2f0/0x390 [ 58.102328][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 58.107523][ T114] ? __pfx_kthread+0x10/0x10 [ 58.112111][ T114] ret_from_fork+0x4b/0x80 [ 58.116525][ T114] ? __pfx_kthread+0x10/0x10 [ 58.121112][ T114] ret_from_fork_asm+0x1a/0x30 [ 58.125882][ T114] [ 58.129168][ T114] ---[ end trace ]--- [ 58.133173][ T114] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 58.140365][ T114] CPU: 1 PID: 114 Comm: jfsCommit Not tainted 6.10.0-rc6-syzkaller-00048-g73e931504f8e #0 [ 58.150253][ T114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 58.160302][ T114] Call Trace: [ 58.163576][ T114] [ 58.166500][ T114] dump_stack_lvl+0x241/0x360 [ 58.171183][ T114] ? __pfx_dump_stack_lvl+0x10/0x10 [ 58.176383][ T114] ? __pfx__printk+0x10/0x10 [ 58.180967][ T114] ? vprintk_emit+0x631/0x770 [ 58.185645][ T114] ? vscnprintf+0x5d/0x90 [ 58.189966][ T114] panic+0x349/0x860 [ 58.193859][ T114] ? check_panic_on_warn+0x21/0xb0 [ 58.198965][ T114] ? __pfx_panic+0x10/0x10 [ 58.203373][ T114] ? _printk+0xd5/0x120 [ 58.207523][ T114] ? __pfx__printk+0x10/0x10 [ 58.212109][ T114] check_panic_on_warn+0x86/0xb0 [ 58.217061][ T114] __ubsan_handle_out_of_bounds+0x141/0x150 [ 58.222961][ T114] diFree+0x21c3/0x2fb0 [ 58.227134][ T114] ? __pfx_diFree+0x10/0x10 [ 58.231643][ T114] ? jfs_free_zero_link+0x46e/0x6e0 [ 58.236850][ T114] ? inode_wait_for_writeback+0x224/0x290 [ 58.242566][ T114] ? __pfx_jfs_free_zero_link+0x10/0x10 [ 58.248110][ T114] ? __pfx_wake_bit_function+0x10/0x10 [ 58.253560][ T114] jfs_evict_inode+0x32d/0x440 [ 58.258319][ T114] ? __pfx_jfs_evict_inode+0x10/0x10 [ 58.263598][ T114] evict+0x2a8/0x630 [ 58.267493][ T114] txUpdateMap+0x829/0x9f0 [ 58.271906][ T114] ? __pfx_txUpdateMap+0x10/0x10 [ 58.276840][ T114] jfs_lazycommit+0x49a/0xb80 [ 58.281507][ T114] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 58.287396][ T114] ? lockdep_hardirqs_on+0x99/0x150 [ 58.292595][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 58.297785][ T114] ? __pfx_default_wake_function+0x10/0x10 [ 58.303589][ T114] ? __kthread_parkme+0x169/0x1d0 [ 58.308610][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 58.313800][ T114] kthread+0x2f0/0x390 [ 58.317861][ T114] ? __pfx_jfs_lazycommit+0x10/0x10 [ 58.323047][ T114] ? __pfx_kthread+0x10/0x10 [ 58.327628][ T114] ret_from_fork+0x4b/0x80 [ 58.332034][ T114] ? __pfx_kthread+0x10/0x10 [ 58.336617][ T114] ret_from_fork_asm+0x1a/0x30 [ 58.341385][ T114] [ 58.344610][ T114] Kernel Offset: disabled [ 58.348950][ T114] Rebooting in 86400 seconds..