./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1624538799 <...> Warning: Permanently added '10.128.1.212' (ED25519) to the list of known hosts. execve("./syz-executor1624538799", ["./syz-executor1624538799"], 0x7ffe428f1600 /* 10 vars */) = 0 brk(NULL) = 0x5555587b4000 brk(0x5555587b4d00) = 0x5555587b4d00 arch_prctl(ARCH_SET_FS, 0x5555587b4380) = 0 set_tid_address(0x5555587b4650) = 5082 set_robust_list(0x5555587b4660, 24) = 0 rseq(0x5555587b4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1624538799", 4096) = 28 getrandom("\x4e\x16\xfa\x53\xc0\x66\x79\x37", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555587b4d00 brk(0x5555587d5d00) = 0x5555587d5d00 brk(0x5555587d6000) = 0x5555587d6000 mprotect(0x7f973b65f000, 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.Km82Q3", 0700) = 0 chmod("./syzkaller.Km82Q3", 0777) = 0 chdir("./syzkaller.Km82Q3") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555587b4650) = 5083 ./strace-static-x86_64: Process 5083 attached [pid 5083] set_robust_list(0x5555587b4660, 24) = 0 [pid 5083] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setsid() = 1 [pid 5083] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5083] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5083] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5083] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5083] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5083] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5083] unshare(CLONE_NEWNS) = 0 [pid 5083] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5083] unshare(CLONE_NEWIPC) = 0 [pid 5083] unshare(CLONE_NEWCGROUP) = 0 [pid 5083] unshare(CLONE_NEWUTS) = 0 [pid 5083] unshare(CLONE_SYSVSEM) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "16777216", 8) = 8 [pid 5083] close(3) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "536870912", 9) = 9 [pid 5083] close(3) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1024", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "8192", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1024", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1024", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5083] close(3) = 0 [pid 5083] getpid() = 1 [pid 5083] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5086] set_robust_list(0x5555587b4660, 24) = 0 [pid 5086] chdir("./0") = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] <... clone resumed>, child_tidptr=0x5555587b4650) = 2 [pid 5086] <... prctl resumed>) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1000", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5086] write(1, "executing program\n", 18) = 18 [pid 5086] memfd_create("syzkaller", 0) = 3 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9733000000 [pid 5086] 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 5086] munmap(0x7f9733000000, 138412032) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5086] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5086] close(3) = 0 [pid 5086] close(4) = 0 [pid 5086] mkdir("./bus", 0777) = 0 [pid 5086] mount("/dev/loop0", "./bus", "jfs", MS_NOSUID|MS_LAZYTIME, "") = 0 [pid 5086] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5086] chdir("./bus") = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) syzkaller login: [ 72.382938][ T5086] loop0: detected capacity change from 0 to 32768 [pid 5086] mkdir("./control", 000) = 0 [pid 5086] open("./file2", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 [pid 5086] mknod("./file1", 000) = 0 [ 72.446804][ T5086] find_entry called with index = 0 [ 72.452283][ T5086] find_entry called with index = 0 [ 72.466513][ T29] audit: type=1800 audit(1718818267.237:2): pid=5086 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor162" name="file2" dev="loop0" ino=7 res=0 errno=0 [pid 5086] mount("./file1", "./file1", NULL, MS_NOEXEC|MS_MANDLOCK|MS_BIND, NULL) = 0 [pid 5086] close(3) = 0 [pid 5086] close(4) = 0 [pid 5086] close(5) = -1 EBADF (Bad file descriptor) [pid 5086] close(6) = -1 EBADF (Bad file descriptor) [pid 5086] close(7) = -1 EBADF (Bad file descriptor) [pid 5086] close(8) = -1 EBADF (Bad file descriptor) [pid 5086] close(9) = -1 EBADF (Bad file descriptor) [pid 5086] close(10) = -1 EBADF (Bad file descriptor) [pid 5086] close(11) = -1 EBADF (Bad file descriptor) [pid 5086] close(12) = -1 EBADF (Bad file descriptor) [pid 5086] close(13) = -1 EBADF (Bad file descriptor) [pid 5086] close(14) = -1 EBADF (Bad file descriptor) [ 72.492086][ T5086] ======================================================= [ 72.492086][ T5086] WARNING: The mand mount option has been deprecated and [ 72.492086][ T5086] and is ignored by this kernel. Remove the mand [ 72.492086][ T5086] option from the mount to silence this warning. [ 72.492086][ T5086] ======================================================= [pid 5086] close(15) = -1 EBADF (Bad file descriptor) [pid 5086] close(16) = -1 EBADF (Bad file descriptor) [pid 5086] close(17) = -1 EBADF (Bad file descriptor) [pid 5086] close(18) = -1 EBADF (Bad file descriptor) [pid 5086] close(19) = -1 EBADF (Bad file descriptor) [pid 5086] close(20) = -1 EBADF (Bad file descriptor) [pid 5086] close(21) = -1 EBADF (Bad file descriptor) [pid 5086] close(22) = -1 EBADF (Bad file descriptor) [pid 5086] close(23) = -1 EBADF (Bad file descriptor) [pid 5086] close(24) = -1 EBADF (Bad file descriptor) [pid 5086] close(25) = -1 EBADF (Bad file descriptor) [pid 5086] close(26) = -1 EBADF (Bad file descriptor) [pid 5086] close(27) = -1 EBADF (Bad file descriptor) [pid 5086] close(28) = -1 EBADF (Bad file descriptor) [pid 5086] close(29) = -1 EBADF (Bad file descriptor) [pid 5086] exit_group(0) = ? [pid 5086] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5083] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5083] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5083] getdents64(3, 0x5555587b56f0 /* 4 entries */, 32768) = 104 [pid 5083] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5083] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5083] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 5083] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=64, ...}, AT_EMPTY_PATH) = 0 [ 72.662574][ T5083] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 1 [ 72.662574][ T5083] [ 72.674831][ T5083] ERROR: (device loop0): remounting filesystem as read-only [ 72.682215][ T5083] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 4 [ 72.682215][ T5083] [ 72.693526][ T5083] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5 [ 72.693526][ T5083] [pid 5083] getdents64(4, 0x5555587bd730 /* 5 entries */, 32768) = 144 [pid 5083] umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5083] newfstatat(AT_FDCWD, "./0/bus/file0", 0x7ffef7dda170, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 5083] exit_group(1) = ? [ 72.704786][ T5083] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6 [ 72.704786][ T5083] [ 72.716077][ T5083] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 7 [ 72.716077][ T5083] [ 72.766291][ T5083] ================================================================== [ 72.774383][ T5083] BUG: KASAN: user-memory-access in __destroy_inode+0x479/0x650 [ 72.782032][ T5083] Write of size 4 at addr 0000000b00000000 by task syz-executor162/5083 [ 72.790345][ T5083] [ 72.792663][ T5083] CPU: 0 PID: 5083 Comm: syz-executor162 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 [ 72.803162][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 72.813215][ T5083] Call Trace: [ 72.816511][ T5083] [ 72.819434][ T5083] dump_stack_lvl+0x241/0x360 [ 72.824129][ T5083] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.829326][ T5083] ? __pfx__printk+0x10/0x10 [ 72.833941][ T5083] ? _printk+0xd5/0x120 [ 72.838094][ T5083] print_report+0xe8/0x550 [ 72.842592][ T5083] ? __virt_addr_valid+0x58/0x520 [ 72.847617][ T5083] ? __destroy_inode+0x479/0x650 [ 72.852544][ T5083] kasan_report+0x143/0x180 [ 72.857055][ T5083] ? __destroy_inode+0x479/0x650 [ 72.862003][ T5083] kasan_check_range+0x282/0x290 [ 72.866940][ T5083] __destroy_inode+0x479/0x650 [ 72.871700][ T5083] evict+0x521/0x630 [ 72.875617][ T5083] evict_inodes+0x5f9/0x690 [ 72.880138][ T5083] ? __pfx_evict_inodes+0x10/0x10 [ 72.885336][ T5083] ? dput+0x37/0x2b0 [ 72.889255][ T5083] generic_shutdown_super+0x9d/0x2d0 [ 72.894551][ T5083] kill_block_super+0x44/0x90 [ 72.899252][ T5083] deactivate_locked_super+0xc4/0x130 [ 72.904658][ T5083] cleanup_mnt+0x41f/0x4b0 [ 72.909182][ T5083] ? lockdep_hardirqs_on+0x99/0x150 [ 72.914392][ T5083] task_work_run+0x24f/0x310 [ 72.919254][ T5083] ? __pfx_task_work_run+0x10/0x10 [ 72.924372][ T5083] ? do_exit+0xa22/0x27e0 [ 72.928722][ T5083] ? kmem_cache_free+0x145/0x350 [ 72.933675][ T5083] do_exit+0xa27/0x27e0 [ 72.937843][ T5083] ? __pfx_do_exit+0x10/0x10 [ 72.942527][ T5083] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 72.948596][ T5083] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.954942][ T5083] ? _raw_spin_unlock_irq+0x23/0x50 [ 72.960154][ T5083] ? lockdep_hardirqs_on+0x99/0x150 [ 72.965370][ T5083] do_group_exit+0x207/0x2c0 [ 72.969978][ T5083] __x64_sys_exit_group+0x3f/0x40 [ 72.975012][ T5083] do_syscall_64+0xf3/0x230 [ 72.979581][ T5083] ? clear_bhb_loop+0x35/0x90 [ 72.984273][ T5083] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.990282][ T5083] RIP: 0033:0x7f973b5e3349 [ 72.994705][ T5083] Code: Unable to access opcode bytes at 0x7f973b5e331f. [ 73.001721][ T5083] RSP: 002b:00007ffef7dda0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 73.010147][ T5083] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f973b5e3349 [ 73.018116][ T5083] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 73.026107][ T5083] RBP: 00007f973b665370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 73.034078][ T5083] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f973b665370 [ 73.042051][ T5083] R13: 0000000000000000 R14: 00007f973b6660e0 R15: 00007f973b5b12f0 [ 73.050029][ T5083] [ 73.053050][ T5083] ================================================================== [ 73.062229][ T5083] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 73.069456][ T5083] CPU: 1 PID: 5083 Comm: syz-executor162 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 [ 73.079988][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 73.090040][ T5083] Call Trace: [ 73.093316][ T5083] [ 73.096262][ T5083] dump_stack_lvl+0x241/0x360 [ 73.100946][ T5083] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.106155][ T5083] ? __pfx__printk+0x10/0x10 [ 73.110771][ T5083] ? preempt_schedule+0xe1/0xf0 [ 73.115642][ T5083] ? vscnprintf+0x5d/0x90 [ 73.119972][ T5083] panic+0x349/0x860 [ 73.123866][ T5083] ? check_panic_on_warn+0x21/0xb0 [ 73.128992][ T5083] ? __pfx_panic+0x10/0x10 [ 73.133407][ T5083] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 73.139386][ T5083] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 73.145888][ T5083] ? print_report+0xe8/0x550 [ 73.150518][ T5083] check_panic_on_warn+0x86/0xb0 [ 73.155459][ T5083] ? __destroy_inode+0x479/0x650 [ 73.160417][ T5083] end_report+0x77/0x160 [ 73.164655][ T5083] kasan_report+0x154/0x180 [ 73.169165][ T5083] ? __destroy_inode+0x479/0x650 [ 73.174100][ T5083] kasan_check_range+0x282/0x290 [ 73.179051][ T5083] __destroy_inode+0x479/0x650 [ 73.183813][ T5083] evict+0x521/0x630 [ 73.187755][ T5083] evict_inodes+0x5f9/0x690 [ 73.192275][ T5083] ? __pfx_evict_inodes+0x10/0x10 [ 73.197314][ T5083] ? dput+0x37/0x2b0 [ 73.201208][ T5083] generic_shutdown_super+0x9d/0x2d0 [ 73.206500][ T5083] kill_block_super+0x44/0x90 [ 73.211176][ T5083] deactivate_locked_super+0xc4/0x130 [ 73.216553][ T5083] cleanup_mnt+0x41f/0x4b0 [ 73.220964][ T5083] ? lockdep_hardirqs_on+0x99/0x150 [ 73.226163][ T5083] task_work_run+0x24f/0x310 [ 73.230755][ T5083] ? __pfx_task_work_run+0x10/0x10 [ 73.235865][ T5083] ? do_exit+0xa22/0x27e0 [ 73.240191][ T5083] ? kmem_cache_free+0x145/0x350 [ 73.245137][ T5083] do_exit+0xa27/0x27e0 [ 73.249298][ T5083] ? __pfx_do_exit+0x10/0x10 [ 73.253886][ T5083] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 73.259865][ T5083] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.266191][ T5083] ? _raw_spin_unlock_irq+0x23/0x50 [ 73.271392][ T5083] ? lockdep_hardirqs_on+0x99/0x150 [ 73.276605][ T5083] do_group_exit+0x207/0x2c0 [ 73.281197][ T5083] __x64_sys_exit_group+0x3f/0x40 [ 73.286225][ T5083] do_syscall_64+0xf3/0x230 [ 73.290727][ T5083] ? clear_bhb_loop+0x35/0x90 [ 73.295609][ T5083] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.301570][ T5083] RIP: 0033:0x7f973b5e3349 [ 73.305992][ T5083] Code: Unable to access opcode bytes at 0x7f973b5e331f. [ 73.313009][ T5083] RSP: 002b:00007ffef7dda0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 73.321425][ T5083] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f973b5e3349 [ 73.329398][ T5083] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 73.337369][ T5083] RBP: 00007f973b665370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 73.345339][ T5083] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f973b665370 [ 73.353305][ T5083] R13: 0000000000000000 R14: 00007f973b6660e0 R15: 00007f973b5b12f0 [ 73.361276][ T5083] [ 73.364617][ T5083] Kernel Offset: disabled [ 73.368944][ T5083] Rebooting in 86400 seconds..