./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor314230928 <...> Warning: Permanently added '10.128.0.92' (ED25519) to the list of known hosts. execve("./syz-executor314230928", ["./syz-executor314230928"], 0x7ffeb53247e0 /* 10 vars */) = 0 brk(NULL) = 0x5555816de000 brk(0x5555816ded00) = 0x5555816ded00 arch_prctl(ARCH_SET_FS, 0x5555816de380) = 0 set_tid_address(0x5555816de650) = 5828 set_robust_list(0x5555816de660, 24) = 0 rseq(0x5555816deca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor314230928", 4096) = 27 getrandom("\x0c\xdd\xec\x9c\xb6\xb8\x28\xd9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555816ded00 brk(0x5555816ffd00) = 0x5555816ffd00 brk(0x555581700000) = 0x555581700000 mprotect(0x7f120c3d6000, 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 getrandom("\x3a\xcd\xd5\x0f\xb6\x7b\xce\xbb", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.8ZL8PL", 0700) = 0 chmod("./syzkaller.8ZL8PL", 0777) = 0 chdir("./syzkaller.8ZL8PL") = 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 5829 attached , child_tidptr=0x5555816de650) = 5829 [pid 5829] set_robust_list(0x5555816de660, 24) = 0 [pid 5829] chdir("./0") = 0 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] setpgid(0, 0) = 0 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1000", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5829] write(1, "executing program\n", 18executing program ) = 18 [pid 5829] memfd_create("syzkaller", 0) = 3 [pid 5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1203e00000 [pid 5829] 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 5829] munmap(0x7f1203e00000, 138412032) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5829] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5829] close(3) = 0 [pid 5829] close(4) = 0 [pid 5829] mkdir("./bus", 0777) = 0 [ 63.165432][ T5829] loop0: detected capacity change from 0 to 32768 [ 63.199213][ T5829] ======================================================= [ 63.199213][ T5829] WARNING: The mand mount option has been deprecated and [pid 5829] mount("/dev/loop0", "./bus", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "discard,iocharset=cp874,errors=remount-ro,usrquota,iocharset=cp861,iocharset=cp1250,integrity") = 0 [pid 5829] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5829] chdir("./bus") = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] creat("./bus", 000) = 4 [pid 5829] mount(NULL, NULL, NULL, 0, "workdir=./file0,upperdir=./file2,,") = -1 EFAULT (Bad address) [pid 5829] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0 [pid 5829] open("./bus", O_RDONLY) = 5 [ 63.199213][ T5829] and is ignored by this kernel. Remove the mand [ 63.199213][ T5829] option from the mount to silence this warning. [ 63.199213][ T5829] ======================================================= [pid 5829] ioctl(5, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x2c2c, lo_flags=0, lo_name="", ...}) = 0 [pid 5829] exit_group(0) = ? [pid 5829] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=3 /* 0.03 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, 0x5555816df6f0 /* 4 entries */, 32768) = 104 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/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0755, st_size=48, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=48, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555816e7730 /* 8 entries */, 32768) = 232 umount2("./0/bus/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/bus/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/bus/bus", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/bus/bus") = 0 umount2("./0/bus/file.cold", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/bus/file.cold", {st_mode=S_IFREG|0755, st_size=100, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/bus/file.cold") = 0 [ 63.297800][ T5829] loop0: detected capacity change from 32768 to 32745 umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EIO (Input/output error) newfstatat(AT_FDCWD, "./0/bus/file0", 0x7fff1b44c4e0, AT_SYMLINK_NOFOLLOW) = -1 EIO (Input/output error) exit_group(1) = ? +++ exited with 1 +++ [ 63.346622][ T5828] ERROR: (device loop0): diRead: i_ino != di_number [ 63.346622][ T5828] [ 63.356966][ T5828] ERROR: (device loop0): remounting filesystem as read-only [ 63.364871][ T5828] jfs_lookup: iget failed on inum 32 [ 63.371428][ T5828] ERROR: (device loop0): diRead: i_ino != di_number [ 63.371428][ T5828] [ 63.380725][ T5828] jfs_lookup: iget failed on inum 32 [ 68.269709][ T113] ------------[ cut here ]------------ [ 68.275280][ T113] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2780:24 [ 68.282981][ T113] index 4294967295 is out of range for type 's8[1365]' (aka 'signed char[1365]') [ 68.292188][ T113] CPU: 0 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed #0 [ 68.302692][ T113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 68.312755][ T113] Call Trace: [ 68.316034][ T113] [ 68.318970][ T113] dump_stack_lvl+0x241/0x360 [ 68.323655][ T113] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.328847][ T113] ? __pfx__printk+0x10/0x10 [ 68.333449][ T113] ? lock_metapage+0x2fa/0x370 [ 68.338208][ T113] __ubsan_handle_out_of_bounds+0x121/0x150 [ 68.344099][ T113] ? folio_mark_accessed+0x6f6/0x11b0 [ 68.349458][ T113] ? __pfx_reacquire_held_locks+0x10/0x10 [ 68.355165][ T113] dbJoin+0x2ed/0x310 [ 68.359140][ T113] ? do_read_cache_folio+0x77a/0x850 [ 68.364417][ T113] dbFreeBits+0x4db/0xd90 [ 68.368742][ T113] dbFree+0x35b/0x680 [ 68.372714][ T113] txFreeMap+0x96a/0xd50 [ 68.376950][ T113] ? _raw_spin_unlock+0x28/0x50 [ 68.381809][ T113] ? __mark_inode_dirty+0x5b2/0xe90 [ 68.387019][ T113] xtTruncate+0xe65/0x3270 [ 68.391440][ T113] ? __pfx_xtTruncate+0x10/0x10 [ 68.396297][ T113] jfs_free_zero_link+0x46e/0x6e0 [ 68.401323][ T113] ? inode_wait_for_writeback+0x111/0x2a0 [ 68.407047][ T113] ? __pfx_jfs_free_zero_link+0x10/0x10 [ 68.412618][ T113] jfs_evict_inode+0x35f/0x440 [ 68.417392][ T113] ? __pfx_jfs_evict_inode+0x10/0x10 [ 68.422681][ T113] evict+0x4e8/0x9b0 [ 68.426570][ T113] ? __pfx_evict+0x10/0x10 [ 68.430977][ T113] ? iput+0x713/0xa50 [ 68.434966][ T113] txUpdateMap+0x931/0xb10 [ 68.439385][ T113] ? __pfx_txUpdateMap+0x10/0x10 [ 68.444334][ T113] jfs_lazycommit+0x49a/0xb80 [ 68.449017][ T113] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 68.454900][ T113] ? lockdep_hardirqs_on+0x99/0x150 [ 68.460097][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 68.465379][ T113] ? __pfx_default_wake_function+0x10/0x10 [ 68.471178][ T113] ? __kthread_parkme+0x169/0x1d0 [ 68.476200][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 68.481414][ T113] kthread+0x2f0/0x390 [ 68.485486][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 68.490767][ T113] ? __pfx_kthread+0x10/0x10 [ 68.495348][ T113] ret_from_fork+0x4b/0x80 [ 68.499764][ T113] ? __pfx_kthread+0x10/0x10 [ 68.504885][ T113] ret_from_fork_asm+0x1a/0x30 [ 68.509687][ T113] [ 68.512936][ T113] ---[ end trace ]--- [ 68.516967][ T113] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 68.524173][ T113] CPU: 0 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed #0 [ 68.534677][ T113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 68.544734][ T113] Call Trace: [ 68.548026][ T113] [ 68.550956][ T113] dump_stack_lvl+0x241/0x360 [ 68.555644][ T113] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.560848][ T113] ? __pfx__printk+0x10/0x10 [ 68.565438][ T113] ? lockdep_hardirqs_on+0x99/0x150 [ 68.570643][ T113] ? vscnprintf+0x5d/0x90 [ 68.574986][ T113] panic+0x349/0x880 [ 68.578894][ T113] ? check_panic_on_warn+0x21/0xb0 [ 68.584013][ T113] ? __pfx_panic+0x10/0x10 [ 68.588424][ T113] ? _printk+0xd5/0x120 [ 68.592579][ T113] ? __pfx__printk+0x10/0x10 [ 68.597181][ T113] check_panic_on_warn+0x86/0xb0 [ 68.602119][ T113] __ubsan_handle_out_of_bounds+0x141/0x150 [ 68.608014][ T113] ? folio_mark_accessed+0x6f6/0x11b0 [ 68.613380][ T113] ? __pfx_reacquire_held_locks+0x10/0x10 [ 68.619100][ T113] dbJoin+0x2ed/0x310 [ 68.623176][ T113] ? do_read_cache_folio+0x77a/0x850 [ 68.628469][ T113] dbFreeBits+0x4db/0xd90 [ 68.632805][ T113] dbFree+0x35b/0x680 [ 68.636799][ T113] txFreeMap+0x96a/0xd50 [ 68.641045][ T113] ? _raw_spin_unlock+0x28/0x50 [ 68.645894][ T113] ? __mark_inode_dirty+0x5b2/0xe90 [ 68.651110][ T113] xtTruncate+0xe65/0x3270 [ 68.655566][ T113] ? __pfx_xtTruncate+0x10/0x10 [ 68.660439][ T113] jfs_free_zero_link+0x46e/0x6e0 [ 68.665492][ T113] ? inode_wait_for_writeback+0x111/0x2a0 [ 68.671217][ T113] ? __pfx_jfs_free_zero_link+0x10/0x10 [ 68.676776][ T113] jfs_evict_inode+0x35f/0x440 [ 68.681551][ T113] ? __pfx_jfs_evict_inode+0x10/0x10 [ 68.686838][ T113] evict+0x4e8/0x9b0 [ 68.690745][ T113] ? __pfx_evict+0x10/0x10 [ 68.695185][ T113] ? iput+0x713/0xa50 [ 68.699168][ T113] txUpdateMap+0x931/0xb10 [ 68.703593][ T113] ? __pfx_txUpdateMap+0x10/0x10 [ 68.708534][ T113] jfs_lazycommit+0x49a/0xb80 [ 68.713210][ T113] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 68.719104][ T113] ? lockdep_hardirqs_on+0x99/0x150 [ 68.724308][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 68.729507][ T113] ? __pfx_default_wake_function+0x10/0x10 [ 68.735315][ T113] ? __kthread_parkme+0x169/0x1d0 [ 68.740350][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 68.745548][ T113] kthread+0x2f0/0x390 [ 68.749801][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 68.755172][ T113] ? __pfx_kthread+0x10/0x10 [ 68.759757][ T113] ret_from_fork+0x4b/0x80 [ 68.764192][ T113] ? __pfx_kthread+0x10/0x10 [ 68.768781][ T113] ret_from_fork_asm+0x1a/0x30 [ 68.773552][ T113] [ 68.776851][ T113] Kernel Offset: disabled [ 68.781207][ T113] Rebooting in 86400 seconds..