./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4189829521 <...> Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts. execve("./syz-executor4189829521", ["./syz-executor4189829521"], 0x7ffc79120260 /* 10 vars */) = 0 brk(NULL) = 0x55558fd14000 brk(0x55558fd14d00) = 0x55558fd14d00 arch_prctl(ARCH_SET_FS, 0x55558fd14380) = 0 set_tid_address(0x55558fd14650) = 5785 set_robust_list(0x55558fd14660, 24) = 0 rseq(0x55558fd14ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4189829521", 4096) = 28 getrandom("\x6f\x02\xd5\x1d\x0a\x8f\x96\xc2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558fd14d00 brk(0x55558fd35d00) = 0x55558fd35d00 brk(0x55558fd36000) = 0x55558fd36000 mprotect(0x7fdff8780000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 mkdir("./syzkaller.RSeRsB", 0700) = 0 chmod("./syzkaller.RSeRsB", 0777) = 0 chdir("./syzkaller.RSeRsB") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FDexecuting program ) = -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 5786 attached , child_tidptr=0x55558fd14650) = 5786 [pid 5786] set_robust_list(0x55558fd14660, 24) = 0 [pid 5786] chdir("./0") = 0 [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5786] setpgid(0, 0) = 0 [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "1000", 4) = 4 [pid 5786] close(3) = 0 [pid 5786] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5786] write(1, "executing program\n", 18) = 18 [pid 5786] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5786] memfd_create("syzkaller", 0) = 3 [pid 5786] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdff0200000 [pid 5786] 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 5786] munmap(0x7fdff0200000, 138412032) = 0 [pid 5786] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5786] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5786] close(3) = 0 [pid 5786] close(4) = 0 [pid 5786] mkdir("./file0", 0777) = 0 [ 180.964171][ T5786] loop0: detected capacity change from 0 to 32768 [ 180.999255][ T5786] ======================================================= [ 180.999255][ T5786] WARNING: The mand mount option has been deprecated and [pid 5786] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "usrquota,iocharset=iso8859-5,iocharset=euc-jp,integrity,quota,noquota,quota") = 0 [pid 5786] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5786] chdir("./file0") = 0 [pid 5786] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5786] clone(child_stack=NULL, flags=SIGCHLD./strace-static-x86_64: Process 5788 attached ) = 5788 [pid 5786] tkill(5788, SIGSTOP) = 0 [pid 5786] exit_group(0) = ? [pid 5788] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=5786, si_uid=0} --- [pid 5788] --- stopped by SIGSTOP --- [ 180.999255][ T5786] and is ignored by this kernel. Remove the mand [ 180.999255][ T5786] option from the mount to silence this warning. [ 180.999255][ T5786] ======================================================= [pid 5786] +++ exited with 0 +++ [pid 5788] --- SIGHUP {si_signo=SIGHUP, si_code=SI_KERNEL} --- [pid 5785] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5786, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=70 /* 0.70 s */} --- [pid 5788] +++ killed by SIGHUP +++ 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, 0x55558fd156f0 /* 4 entries */, 32768) = 112 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) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558fd1d730 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558fd1d730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0") = 0 getdents64(3, 0x55558fd156f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5789 attached , child_tidptr=0x55558fd14650) = 5789 [pid 5789] set_robust_list(0x55558fd14660, 24) = 0 [pid 5789] chdir("./1") = 0 [pid 5789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5789] setpgid(0, 0) = 0 [pid 5789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5789] write(3, "1000", 4) = 4 [pid 5789] close(3) = 0 [pid 5789] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5789] write(1, "executing program\n", 18) = 18 [pid 5789] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5789] memfd_create("syzkaller", 0) = 3 [pid 5789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdff0200000 [pid 5789] 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 5789] munmap(0x7fdff0200000, 138412032) = 0 [pid 5789] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5789] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5789] close(3) = 0 [pid 5789] close(4) = 0 [pid 5789] mkdir("./file0", 0777) = 0 [pid 5789] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "usrquota,iocharset=iso8859-5,iocharset=euc-jp,integrity,quota,noquota,quota") = 0 [pid 5789] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5789] chdir("./file0") = 0 [pid 5789] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 181.918784][ T5789] loop0: detected capacity change from 0 to 32768 [pid 5789] clone(child_stack=NULL, flags=SIGCHLD) = 5790 ./strace-static-x86_64: Process 5790 attached [pid 5789] tkill(5790, SIGSTOP) = 0 [pid 5789] exit_group(0) = ? [pid 5790] --- SIGSTOP {si_signo=SIGSTOP, si_code=SI_TKILL, si_pid=5789, si_uid=0} --- [pid 5789] +++ exited with 0 +++ [pid 5785] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5789, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=46 /* 0.46 s */} --- [pid 5785] restart_syscall(<... resuming interrupted clone ...> [pid 5790] --- stopped by SIGSTOP --- [pid 5785] <... restart_syscall resumed>) = 0 [pid 5785] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5785] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5785] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5785] getdents64(3, 0x55558fd156f0 /* 4 entries */, 32768) = 112 [pid 5785] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5785] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5785] unlink("./1/binderfs") = 0 [pid 5785] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5785] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0755, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5785] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5785] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5785] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5785] getdents64(4, 0x55558fd1d730 /* 7 entries */, 32768) = 208 [pid 5785] umount2("./1/file0/file.cold", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5785] newfstatat(AT_FDCWD, "./1/file0/file.cold", {st_mode=S_IFREG|0755, st_size=100, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5785] unlink("./1/file0/file.cold") = 0 [pid 5785] umount2("./1/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5785] newfstatat(AT_FDCWD, "./1/file0/file0", {st_mode=S_IFDIR|0755, st_size=16, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5785] umount2("./1/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5785] openat(AT_FDCWD, "./1/file0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 5785] newfstatat(5, "", {st_mode=S_IFDIR|0755, st_size=16, ...}, AT_EMPTY_PATH) = 0 [pid 5785] getdents64(5, 0x55558fd25770 /* 4 entries */, 32768) = 112 [pid 5785] umount2("./1/file0/file0/?ile0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5785] newfstatat(AT_FDCWD, "./1/file0/file0/?ile0", 0x7fffa4668a20, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5785] exit_group(1) = ? [pid 5785] +++ exited with 1 +++ [ 216.432703][ T113] ERROR: (device loop0): diUpdatePMap: the iag is outside the map [ 216.432703][ T113] [ 216.443547][ T113] ERROR: (device loop0): remounting filesystem as read-only [ 216.451283][ T113] ===================================================== [ 216.458396][ T113] BUG: KMSAN: uninit-value in hex_dump_to_buffer+0x888/0x1100 [ 216.466098][ T113] hex_dump_to_buffer+0x888/0x1100 [ 216.471429][ T113] print_hex_dump+0x13d/0x3e0 [ 216.476192][ T113] diFree+0x5ba/0x4350 [ 216.480518][ T113] jfs_evict_inode+0x510/0x550 [ 216.485423][ T113] evict+0x723/0xd10 [ 216.489403][ T113] iput+0x97b/0xdb0 [ 216.493471][ T113] txUpdateMap+0xf3e/0x1150 [ 216.498139][ T113] jfs_lazycommit+0x627/0x11d0 [ 216.503193][ T113] kthread+0x6b9/0xef0 [ 216.507415][ T113] ret_from_fork+0x6d/0x90 [ 216.512059][ T113] ret_from_fork_asm+0x1a/0x30 [ 216.516966][ T113] [ 216.519328][ T113] Uninit was created at: [ 216.523864][ T113] __kmalloc_cache_noprof+0x8e3/0xdf0 [ 216.529383][ T113] diMount+0x61/0x7f0 [ 216.533600][ T113] jfs_mount+0xa8e/0x11d0 [ 216.538080][ T113] jfs_fill_super+0xa47/0x17c0 [ 216.543058][ T113] get_tree_bdev_flags+0x6ec/0x910 [ 216.548352][ T113] get_tree_bdev+0x37/0x50 [ 216.553057][ T113] jfs_get_tree+0x34/0x40 [ 216.557530][ T113] vfs_get_tree+0xb1/0x5a0 [ 216.562240][ T113] do_new_mount+0x71f/0x15e0 [ 216.566997][ T113] path_mount+0x742/0x1f10 [ 216.571650][ T113] __se_sys_mount+0x71f/0x800 [ 216.576500][ T113] __x64_sys_mount+0xe4/0x150 [ 216.581421][ T113] x64_sys_call+0x39bf/0x3c30 [ 216.586245][ T113] do_syscall_64+0xcd/0x1e0 [ 216.590998][ T113] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 216.597069][ T113] [ 216.599454][ T113] CPU: 1 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.14.0-rc3-syzkaller-00060-g6537cfb395f3 #0 [ 216.610439][ T113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 216.620768][ T113] ===================================================== [ 216.627752][ T113] Disabling lock debugging due to kernel taint [ 216.634124][ T113] Kernel panic - not syncing: kmsan.panic set ... [ 216.640650][ T113] CPU: 1 UID: 0 PID: 113 Comm: jfsCommit Tainted: G B 6.14.0-rc3-syzkaller-00060-g6537cfb395f3 #0 [ 216.652910][ T113] Tainted: [B]=BAD_PAGE [ 216.657109][ T113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 216.667249][ T113] Call Trace: [ 216.670607][ T113] [ 216.673589][ T113] dump_stack_lvl+0x216/0x2d0 [ 216.678350][ T113] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 216.684281][ T113] dump_stack+0x1e/0x24 [ 216.688530][ T113] panic+0x4e2/0xcf0 [ 216.692538][ T113] ? kmsan_get_metadata+0xb1/0x1c0 [ 216.697765][ T113] kmsan_report+0x2c7/0x2d0 [ 216.702368][ T113] ? do_check+0x14265/0x15d90 [ 216.707151][ T113] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 216.713066][ T113] ? __msan_warning+0x95/0x120 [ 216.717921][ T113] ? hex_dump_to_buffer+0x888/0x1100 [ 216.723291][ T113] ? print_hex_dump+0x13d/0x3e0 [ 216.728232][ T113] ? diFree+0x5ba/0x4350 [ 216.732571][ T113] ? jfs_evict_inode+0x510/0x550 [ 216.737611][ T113] ? evict+0x723/0xd10 [ 216.741784][ T113] ? iput+0x97b/0xdb0 [ 216.745884][ T113] ? txUpdateMap+0xf3e/0x1150 [ 216.750676][ T113] ? jfs_lazycommit+0x627/0x11d0 [ 216.755724][ T113] ? kthread+0x6b9/0xef0 [ 216.760055][ T113] ? ret_from_fork+0x6d/0x90 [ 216.764742][ T113] ? ret_from_fork_asm+0x1a/0x30 [ 216.769801][ T113] ? snprintf+0x1a8/0x1e0 [ 216.774246][ T113] ? kmsan_get_metadata+0x13e/0x1c0 [ 216.779552][ T113] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 216.785486][ T113] __msan_warning+0x95/0x120 [ 216.790177][ T113] hex_dump_to_buffer+0x888/0x1100 [ 216.795375][ T113] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 216.801836][ T113] print_hex_dump+0x13d/0x3e0 [ 216.806605][ T113] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 216.813033][ T113] ? kmsan_get_metadata+0x13e/0x1c0 [ 216.818333][ T113] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 216.824252][ T113] diFree+0x5ba/0x4350 [ 216.828478][ T113] ? kmsan_get_metadata+0x13e/0x1c0 [ 216.833778][ T113] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 216.839697][ T113] jfs_evict_inode+0x510/0x550 [ 216.844546][ T113] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 216.850467][ T113] ? __pfx_jfs_evict_inode+0x10/0x10 [ 216.855851][ T113] evict+0x723/0xd10 [ 216.859843][ T113] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 216.866284][ T113] iput+0x97b/0xdb0 [ 216.870208][ T113] txUpdateMap+0xf3e/0x1150 [ 216.874838][ T113] jfs_lazycommit+0x627/0x11d0 [ 216.879706][ T113] ? __pfx_default_wake_function+0x10/0x10 [ 216.885622][ T113] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 216.891549][ T113] kthread+0x6b9/0xef0 [ 216.895702][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 216.901016][ T113] ? __pfx_kthread+0x10/0x10 [ 216.905691][ T113] ret_from_fork+0x6d/0x90 [ 216.910196][ T113] ? __pfx_kthread+0x10/0x10 [ 216.914870][ T113] ret_from_fork_asm+0x1a/0x30 [ 216.919729][ T113] [ 216.923136][ T113] Kernel Offset: disabled [ 216.927524][ T113] Rebooting in 86400 seconds..