./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1117636677 <...> Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts. execve("./syz-executor1117636677", ["./syz-executor1117636677"], 0x7fffc36073c0 /* 10 vars */) = 0 brk(NULL) = 0x555557dfc000 brk(0x555557dfcd00) = 0x555557dfcd00 arch_prctl(ARCH_SET_FS, 0x555557dfc380) = 0 set_tid_address(0x555557dfc650) = 5818 set_robust_list(0x555557dfc660, 24) = 0 rseq(0x555557dfcca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1117636677", 4096) = 28 getrandom("\x96\x18\xcc\x98\x00\xe3\x99\x22", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557dfcd00 brk(0x555557e1dd00) = 0x555557e1dd00 brk(0x555557e1e000) = 0x555557e1e000 mprotect(0x7f3dcaaf8000, 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.KPJA0Y", 0700) = 0 chmod("./syzkaller.KPJA0Y", 0777) = 0 chdir("./syzkaller.KPJA0Y") = 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 5820 attached , child_tidptr=0x555557dfc650) = 5820 [pid 5820] set_robust_list(0x555557dfc660, 24) = 0 [pid 5820] chdir("./0") = 0 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5820] setpgid(0, 0) = 0 [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1000", 4) = 4 [pid 5820] close(3) = 0 [pid 5820] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5820] write(1, "executing program\n", 18) = 18 [pid 5820] memfd_create("syzkaller", 0) = 3 [pid 5820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3dc2600000 [pid 5820] 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 5820] munmap(0x7f3dc2600000, 138412032) = 0 [pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5820] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5820] close(3) = 0 [pid 5820] close(4) = 0 [pid 5820] mkdir("./bus", 0777) = 0 [ 62.953469][ T5820] loop0: detected capacity change from 0 to 32768 [pid 5820] mount("/dev/loop0", "./bus", "jfs", MS_NOSUID|MS_LAZYTIME, "") = 0 [pid 5820] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5820] chdir("./bus") = 0 [pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5820] openat(AT_FDCWD, "./file2", O_ACCMODE|O_CREAT|O_NOCTTY|O_SYNC|O_CLOEXEC|FASYNC, 0165) = 4 [pid 5820] rename("./file2", "./file1") = 0 [pid 5820] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 5 [pid 5820] mkdir("./file0", 0777) = 0 [pid 5820] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000005,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0 [pid 5820] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5818] kill(-5820, SIGKILL) = 0 [pid 5820] <... openat resumed>) = ? [pid 5818] kill(5820, SIGKILL) = 0 [pid 5820] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5820, si_uid=0, si_status=SIGKILL, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- 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, 0x555557dfd6f0 /* 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=64, ...}, 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=64, ...}, AT_EMPTY_PATH) = 0 [ 67.787703][ T5818] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 1 [ 67.787703][ T5818] [ 67.800061][ T5818] ERROR: (device loop0): remounting filesystem as read-only [ 67.807343][ T5818] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 3 [ 67.807343][ T5818] [ 67.818790][ T5818] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 4 [ 67.818790][ T5818] getdents64(4, 0x555557e05730 /* 4 entries */, 32768) = 112 umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/bus/file0", {st_mode=S_IFDIR|0700, st_size=1, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 67.830037][ T5818] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5 [ 67.830037][ T5818] [ 67.841354][ T5818] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6 [ 67.841354][ T5818] umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/bus/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=1, ...}, AT_EMPTY_PATH) = 0 getdents64(5, 0x555557e0d770 /* 2 entries */, 32768) = 48 getdents64(5, 0x555557e0d770 /* 0 entries */, 32768) = 0 close(5) = 0 rmdir("./0/bus/file0") = -1 EROFS (Read-only file system) umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/bus/file0", {st_mode=S_IFDIR|0700, st_size=1, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/bus/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=1, ...}, AT_EMPTY_PATH) = 0 getdents64(5, 0x555557e0d770 /* 2 entries */, 32768) = 48 getdents64(5, 0x555557e0d770 /* 0 entries */, 32768) = 0 close(5) = 0 rmdir("./0/bus/file0") = -1 EROFS (Read-only file system) getdents64(4, 0x555557e05730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/bus") = -1 EBUSY (Device or resource busy) [ 68.110503][ T5818] ================================================================== [ 68.118579][ T5818] BUG: KASAN: user-memory-access in __destroy_inode+0x47c/0x670 [ 68.126199][ T5818] Write of size 4 at addr 0000000b00000000 by task syz-executor111/5818 [ 68.134508][ T5818] [ 68.136828][ T5818] CPU: 1 UID: 0 PID: 5818 Comm: syz-executor111 Not tainted 6.13.0-rc4-syzkaller-00071-gfd0584d220fe #0 [ 68.147939][ T5818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.157978][ T5818] Call Trace: [ 68.161240][ T5818] [ 68.164152][ T5818] dump_stack_lvl+0x241/0x360 [ 68.168819][ T5818] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.174010][ T5818] ? __pfx__printk+0x10/0x10 [ 68.178583][ T5818] ? _printk+0xd5/0x120 [ 68.182723][ T5818] print_report+0xe8/0x550 [ 68.187124][ T5818] ? __virt_addr_valid+0x58/0x530 [ 68.192130][ T5818] ? __destroy_inode+0x47c/0x670 [ 68.197065][ T5818] kasan_report+0x143/0x180 [ 68.201552][ T5818] ? __destroy_inode+0x47c/0x670 [ 68.206474][ T5818] kasan_check_range+0x282/0x290 [ 68.211392][ T5818] __destroy_inode+0x47c/0x670 [ 68.216140][ T5818] evict+0x785/0x9a0 [ 68.220019][ T5818] ? __pfx_evict+0x10/0x10 [ 68.224418][ T5818] ? do_raw_spin_unlock+0x13c/0x8b0 [ 68.229621][ T5818] ? list_lru_del_obj+0xa8/0x250 [ 68.234539][ T5818] evict_inodes+0x6f6/0x790 [ 68.239021][ T5818] ? __pfx_evict_inodes+0x10/0x10 [ 68.244026][ T5818] ? dput+0x37/0x2b0 [ 68.247898][ T5818] generic_shutdown_super+0xa0/0x2d0 [ 68.253166][ T5818] kill_block_super+0x44/0x90 [ 68.257826][ T5818] deactivate_locked_super+0xc4/0x130 [ 68.263179][ T5818] cleanup_mnt+0x41f/0x4b0 [ 68.267577][ T5818] ? lockdep_hardirqs_on+0x99/0x150 [ 68.272761][ T5818] task_work_run+0x24f/0x310 [ 68.277336][ T5818] ? __pfx_task_work_run+0x10/0x10 [ 68.282431][ T5818] ? path_umount+0x284/0xf70 [ 68.287001][ T5818] ptrace_notify+0x2d2/0x380 [ 68.291573][ T5818] ? __pfx_ptrace_notify+0x10/0x10 [ 68.296667][ T5818] ? kmem_cache_free+0x195/0x410 [ 68.301587][ T5818] ? __x64_sys_umount+0x123/0x170 [ 68.306609][ T5818] syscall_exit_work+0xc7/0x1d0 [ 68.311453][ T5818] syscall_exit_to_user_mode+0x24a/0x340 [ 68.317073][ T5818] do_syscall_64+0x100/0x230 [ 68.321668][ T5818] ? clear_bhb_loop+0x35/0x90 [ 68.326336][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.332222][ T5818] RIP: 0033:0x7f3dcaa7f607 [ 68.336627][ T5818] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 68.356211][ T5818] RSP: 002b:00007ffc5c7121a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 68.364605][ T5818] RAX: 0000000000000000 RBX: 0000555557dfc338 RCX: 00007f3dcaa7f607 [ 68.372556][ T5818] RDX: 00000000000108d0 RSI: 0000000000000009 RDI: 00007ffc5c713350 [ 68.380505][ T5818] RBP: 0000000000000064 R08: 0000555557e0d79b R09: 0000000000000000 [ 68.388456][ T5818] R10: 0000000000001000 R11: 0000000000000246 R12: 00007ffc5c713350 [ 68.396406][ T5818] R13: 0000555557e05700 R14: 431bde82d7b634db R15: 00007ffc5c7143e0 [ 68.404380][ T5818] [ 68.407385][ T5818] ================================================================== [ 68.415622][ T5818] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 68.422827][ T5818] CPU: 1 UID: 0 PID: 5818 Comm: syz-executor111 Not tainted 6.13.0-rc4-syzkaller-00071-gfd0584d220fe #0 [ 68.433925][ T5818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.443968][ T5818] Call Trace: [ 68.447238][ T5818] [ 68.450161][ T5818] dump_stack_lvl+0x241/0x360 [ 68.454866][ T5818] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.460067][ T5818] ? __pfx__printk+0x10/0x10 [ 68.464648][ T5818] ? lock_release+0xbf/0xa30 [ 68.469234][ T5818] ? vscnprintf+0x5d/0x90 [ 68.473557][ T5818] panic+0x349/0x880 [ 68.477441][ T5818] ? check_panic_on_warn+0x21/0xb0 [ 68.482544][ T5818] ? __pfx_panic+0x10/0x10 [ 68.486967][ T5818] ? mark_lock+0x9a/0x360 [ 68.491300][ T5818] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 68.497198][ T5818] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 68.503094][ T5818] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.509415][ T5818] ? print_report+0xe8/0x550 [ 68.513998][ T5818] check_panic_on_warn+0x86/0xb0 [ 68.518927][ T5818] ? __destroy_inode+0x47c/0x670 [ 68.523857][ T5818] end_report+0x77/0x160 [ 68.528108][ T5818] kasan_report+0x154/0x180 [ 68.532608][ T5818] ? __destroy_inode+0x47c/0x670 [ 68.537541][ T5818] kasan_check_range+0x282/0x290 [ 68.542472][ T5818] __destroy_inode+0x47c/0x670 [ 68.547229][ T5818] evict+0x785/0x9a0 [ 68.551127][ T5818] ? __pfx_evict+0x10/0x10 [ 68.555539][ T5818] ? do_raw_spin_unlock+0x13c/0x8b0 [ 68.560730][ T5818] ? list_lru_del_obj+0xa8/0x250 [ 68.565656][ T5818] evict_inodes+0x6f6/0x790 [ 68.570157][ T5818] ? __pfx_evict_inodes+0x10/0x10 [ 68.575169][ T5818] ? dput+0x37/0x2b0 [ 68.579058][ T5818] generic_shutdown_super+0xa0/0x2d0 [ 68.584335][ T5818] kill_block_super+0x44/0x90 [ 68.589008][ T5818] deactivate_locked_super+0xc4/0x130 [ 68.594371][ T5818] cleanup_mnt+0x41f/0x4b0 [ 68.598776][ T5818] ? lockdep_hardirqs_on+0x99/0x150 [ 68.603977][ T5818] task_work_run+0x24f/0x310 [ 68.608560][ T5818] ? __pfx_task_work_run+0x10/0x10 [ 68.613661][ T5818] ? path_umount+0x284/0xf70 [ 68.618244][ T5818] ptrace_notify+0x2d2/0x380 [ 68.622840][ T5818] ? __pfx_ptrace_notify+0x10/0x10 [ 68.627945][ T5818] ? kmem_cache_free+0x195/0x410 [ 68.632873][ T5818] ? __x64_sys_umount+0x123/0x170 [ 68.637893][ T5818] syscall_exit_work+0xc7/0x1d0 [ 68.642744][ T5818] syscall_exit_to_user_mode+0x24a/0x340 [ 68.648372][ T5818] do_syscall_64+0x100/0x230 [ 68.652955][ T5818] ? clear_bhb_loop+0x35/0x90 [ 68.657621][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.663508][ T5818] RIP: 0033:0x7f3dcaa7f607 [ 68.667912][ T5818] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 68.687510][ T5818] RSP: 002b:00007ffc5c7121a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 68.695927][ T5818] RAX: 0000000000000000 RBX: 0000555557dfc338 RCX: 00007f3dcaa7f607 [ 68.703889][ T5818] RDX: 00000000000108d0 RSI: 0000000000000009 RDI: 00007ffc5c713350 [ 68.711849][ T5818] RBP: 0000000000000064 R08: 0000555557e0d79b R09: 0000000000000000 [ 68.719811][ T5818] R10: 0000000000001000 R11: 0000000000000246 R12: 00007ffc5c713350 [ 68.727772][ T5818] R13: 0000555557e05700 R14: 431bde82d7b634db R15: 00007ffc5c7143e0 [ 68.735739][ T5818] [ 68.738992][ T5818] Kernel Offset: disabled [ 68.743311][ T5818] Rebooting in 86400 seconds..