./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3754072343 <...> Warning: Permanently added '10.128.1.158' (ED25519) to the list of known hosts. execve("./syz-executor3754072343", ["./syz-executor3754072343"], 0x7ffc010276a0 /* 10 vars */) = 0 brk(NULL) = 0x55555608c000 brk(0x55555608cd00) = 0x55555608cd00 arch_prctl(ARCH_SET_FS, 0x55555608c380) = 0 set_tid_address(0x55555608c650) = 5024 set_robust_list(0x55555608c660, 24) = 0 rseq(0x55555608cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3754072343", 4096) = 28 getrandom("\xd1\x4d\x85\xf6\xab\x11\x1f\x5d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555608cd00 brk(0x5555560add00) = 0x5555560add00 brk(0x5555560ae000) = 0x5555560ae000 mprotect(0x7f1346832000, 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("\x38\x60\x31\x54\x8a\x4d\xbd\x68", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.6TmpwU", 0700) = 0 chmod("./syzkaller.6TmpwU", 0777) = 0 chdir("./syzkaller.6TmpwU") = 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 5025 attached , child_tidptr=0x55555608c650) = 5025 [pid 5025] set_robust_list(0x55555608c660, 24) = 0 [pid 5025] chdir("./0") = 0 [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5025] setpgid(0, 0) = 0 [pid 5025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1000", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5025] memfd_create("syzkaller", 0) = 3 [pid 5025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f133e379000 [ 54.152374][ T5025] syz-executor375[5025]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5025] 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 5025] munmap(0x7f133e379000, 16777216) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5025] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5025] close(3) = 0 [pid 5025] mkdir("./bus", 0777) = 0 [pid 5025] mount("/dev/loop0", "./bus", "jfs", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_NODIRATIME|MS_REC|MS_RELATIME, "") = 0 [pid 5025] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5025] chdir("./bus") = 0 [pid 5025] ioctl(4, LOOP_CLR_FD) = 0 [pid 5025] close(4) = 0 [pid 5025] open("./file1", O_RDONLY|O_NOCTTY|O_TRUNC|O_APPEND|O_NOATIME) = 4 [pid 5025] exit_group(0) = ? [pid 5025] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5025, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_DETACH|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, 0x55555608d6f0 /* 4 entries */, 32768) = 104 [ 54.351199][ T5025] loop0: detected capacity change from 0 to 32768 [ 54.360682][ T5025] ======================================================= [ 54.360682][ T5025] WARNING: The mand mount option has been deprecated and [ 54.360682][ T5025] and is ignored by this kernel. Remove the mand [ 54.360682][ T5025] option from the mount to silence this warning. [ 54.360682][ T5025] ======================================================= [ 54.432623][ T109] ================================================================================ [ 54.442714][ T109] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2867:6 [ 54.450500][ T109] index 196694 is out of range for type 's8[1365]' (aka 'signed char[1365]') [ 54.459672][ T109] CPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0 [ 54.467726][ T109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 54.477766][ T109] Call Trace: [ 54.481031][ T109] [ 54.483946][ T109] dump_stack_lvl+0x1e7/0x2d0 [ 54.488628][ T109] ? nf_tcp_handle_invalid+0x650/0x650 [ 54.494335][ T109] ? panic+0x770/0x770 [ 54.498395][ T109] __ubsan_handle_out_of_bounds+0x11c/0x150 [ 54.504273][ T109] dbAdjTree+0x474/0x4f0 [ 54.508516][ T109] dbJoin+0x210/0x2d0 [ 54.512493][ T109] dbFreeBits+0x4eb/0xda0 [ 54.516826][ T109] dbFree+0x343/0x650 [ 54.520813][ T109] txFreeMap+0x798/0xd50 [ 54.525140][ T109] txUpdateMap+0x342/0x9e0 [ 54.529558][ T109] ? txCommit+0x6ba0/0x6ba0 [ 54.534154][ T109] jfs_lazycommit+0x47a/0xb70 [ 54.538826][ T109] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 54.544715][ T109] ? lockdep_hardirqs_on+0x98/0x140 [ 54.549912][ T109] ? txFreelock+0x580/0x580 [ 54.554410][ T109] ? do_task_dead+0xd0/0xd0 [ 54.558914][ T109] kthread+0x2d3/0x370 [ 54.562978][ T109] ? txFreelock+0x580/0x580 [ 54.567474][ T109] ? kthread_blkcg+0xd0/0xd0 [ 54.572062][ T109] ret_from_fork+0x48/0x80 [ 54.576469][ T109] ? kthread_blkcg+0xd0/0xd0 [ 54.581052][ T109] ret_from_fork_asm+0x11/0x20 [ 54.585820][ T109] [ 54.588982][ T109] ================================================================================ [ 54.598328][ T109] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 54.605517][ T109] CPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0 [ 54.613660][ T109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 54.623701][ T109] Call Trace: [ 54.626973][ T109] [ 54.629894][ T109] dump_stack_lvl+0x1e7/0x2d0 [ 54.634569][ T109] ? nf_tcp_handle_invalid+0x650/0x650 [ 54.640024][ T109] ? panic+0x770/0x770 [ 54.644089][ T109] ? vscnprintf+0x5d/0x80 [ 54.648416][ T109] panic+0x30f/0x770 [ 54.652308][ T109] ? check_panic_on_warn+0x21/0xa0 [ 54.657412][ T109] ? __memcpy_flushcache+0x2b0/0x2b0 [ 54.662704][ T109] ? dump_stack_lvl+0x253/0x2d0 [ 54.667553][ T109] check_panic_on_warn+0x82/0xa0 [ 54.672508][ T109] __ubsan_handle_out_of_bounds+0x13c/0x150 [ 54.678398][ T109] dbAdjTree+0x474/0x4f0 [ 54.682655][ T109] dbJoin+0x210/0x2d0 [ 54.686633][ T109] dbFreeBits+0x4eb/0xda0 [ 54.690960][ T109] dbFree+0x343/0x650 [ 54.694945][ T109] txFreeMap+0x798/0xd50 [ 54.699198][ T109] txUpdateMap+0x342/0x9e0 [ 54.703614][ T109] ? txCommit+0x6ba0/0x6ba0 [ 54.708119][ T109] jfs_lazycommit+0x47a/0xb70 [ 54.712795][ T109] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 54.718680][ T109] ? lockdep_hardirqs_on+0x98/0x140 [ 54.723875][ T109] ? txFreelock+0x580/0x580 [ 54.728374][ T109] ? do_task_dead+0xd0/0xd0 [ 54.732877][ T109] kthread+0x2d3/0x370 [ 54.736936][ T109] ? txFreelock+0x580/0x580 [ 54.741429][ T109] ? kthread_blkcg+0xd0/0xd0 [ 54.746018][ T109] ret_from_fork+0x48/0x80 [ 54.750513][ T109] ? kthread_blkcg+0xd0/0xd0 [ 54.755101][ T109] ret_from_fork_asm+0x11/0x20 [ 54.759868][ T109] [ 54.763057][ T109] Kernel Offset: disabled [ 54.767440][ T109] Rebooting in 86400 seconds..