./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3583490709 <...> Warning: Permanently added '10.128.0.240' (ED25519) to the list of known hosts. execve("./syz-executor3583490709", ["./syz-executor3583490709"], 0x7ffc2c2b3650 /* 10 vars */) = 0 brk(NULL) = 0x55558bff5000 brk(0x55558bff5d00) = 0x55558bff5d00 arch_prctl(ARCH_SET_FS, 0x55558bff5380) = 0 set_tid_address(0x55558bff5650) = 5777 set_robust_list(0x55558bff5660, 24) = 0 rseq(0x55558bff5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3583490709", 4096) = 28 getrandom("\x7f\x50\x00\x0f\x27\x83\x31\x20", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558bff5d00 brk(0x55558c016d00) = 0x55558c016d00 brk(0x55558c017000) = 0x55558c017000 mprotect(0x7f1b4d9ef000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.8L1tek", 0700) = 0 chmod("./syzkaller.8L1tek", 0777) = 0 chdir("./syzkaller.8L1tek") = 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, child_tidptr=0x55558bff5650) = 5778 ./strace-static-x86_64: Process 5778 attached [pid 5778] set_robust_list(0x55558bff5660, 24) = 0 [pid 5778] chdir("./0") = 0 [pid 5778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5778] setpgid(0, 0) = 0 [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5778] write(3, "1000", 4) = 4 executing program [pid 5778] close(3) = 0 [pid 5778] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5778] write(1, "executing program\n", 18) = 18 [pid 5778] memfd_create("syzkaller", 0) = 3 [pid 5778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b45400000 [pid 5778] 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"..., 524288) = 524288 [pid 5778] munmap(0x7f1b45400000, 138412032) = 0 [pid 5778] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5778] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5778] close(3) = 0 [pid 5778] close(4) = 0 [pid 5778] mkdir("./file1", 0777) = 0 [pid 5778] mount("/dev/loop0", "./file1", "hfsplus", MS_NODIRATIME, "") = 0 [pid 5778] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5778] chdir("./file1") = 0 [pid 5778] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5778] link("./file1", "./bus") = 0 [pid 5778] exit_group(0) = ? [ 256.660661][ T5778] loop0: detected capacity change from 0 to 1024 [pid 5778] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5778, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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, 0x55558bff66f0 /* 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/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file1", 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, 0x55558bffe730 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558bffe730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file1") = 0 [ 256.819260][ T5779] ===================================================== [ 256.827164][ T5779] BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x305/0x2e70 [ 256.834978][ T5779] _copy_to_iter+0x305/0x2e70 [ 256.839915][ T5779] copy_page_to_iter+0x419/0x880 [ 256.845279][ T5779] filemap_read+0xc61/0x1be0 [ 256.850151][ T5779] blkdev_read_iter+0x80b/0x970 [ 256.855329][ T5779] vfs_read+0xc25/0xf70 [ 256.859722][ T5779] ksys_read+0x240/0x4b0 [ 256.864300][ T5779] __x64_sys_read+0x93/0xe0 getdents64(3, 0x55558bff66f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0"executing program ) = 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 5780 attached [pid 5780] set_robust_list(0x55558bff5660, 24) = 0 [pid 5780] chdir("./1") = 0 [pid 5780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5780] setpgid(0, 0 [pid 5777] <... clone resumed>, child_tidptr=0x55558bff5650) = 5780 [pid 5780] <... setpgid resumed>) = 0 [pid 5780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5780] write(3, "1000", 4) = 4 [pid 5780] close(3) = 0 [pid 5780] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5780] write(1, "executing program\n", 18) = 18 [pid 5780] memfd_create("syzkaller", 0) = 3 [pid 5780] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b45400000 [pid 5780] 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"..., 524288) = 524288 [pid 5780] munmap(0x7f1b45400000, 138412032) = 0 [pid 5780] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5780] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5780] ioctl(4, LOOP_CLR_FD) = 0 [pid 5780] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5780] close(4) = 0 [ 256.869040][ T5779] x64_sys_call+0x34c9/0x3c80 [ 256.874075][ T5779] do_syscall_64+0xcd/0x1e0 [ 256.878850][ T5779] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 256.885136][ T5779] [ 256.887585][ T5779] Uninit was stored to memory at: [ 256.892957][ T5779] _copy_to_iter+0xecc/0x2e70 [ 256.897974][ T5779] copy_page_to_iter+0x419/0x880 [ 256.903166][ T5779] shmem_file_read_iter+0x861/0xf80 [ 256.909375][ T5779] do_iter_readv_writev+0x93d/0xbc0 [pid 5780] close(3) = 0 [pid 5780] link("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5780] exit_group(0) = ? [pid 5780] +++ exited with 0 +++ [ 256.917172][ T5779] vfs_iter_read+0x273/0x770 [ 256.923014][ T5779] loop_process_work+0x2121/0x3780 [ 256.928500][ T5779] loop_rootcg_workfn+0x2b/0x40 [ 256.933626][ T5779] process_scheduled_works+0xc1d/0x1e80 [ 256.940267][ T5779] worker_thread+0xea7/0x14f0 [ 256.945474][ T5779] kthread+0x6b9/0xef0 [ 256.951627][ T5779] ret_from_fork+0x6d/0x90 [ 256.956438][ T5779] ret_from_fork_asm+0x1a/0x30 [ 256.962479][ T5779] [ 256.965018][ T5779] Uninit was stored to memory at: --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5780, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", 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, 0x55558bff66f0 /* 3 entries */, 32768) = 80 umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 256.970404][ T5779] copy_page_from_iter_atomic+0x1313/0x3450 [ 256.976943][ T5779] generic_perform_write+0x83f/0x1060 [ 256.983556][ T5779] shmem_file_write_iter+0x2ba/0x2f0 [ 256.991202][ T5779] do_iter_readv_writev+0x93d/0xbc0 [ 256.996977][ T5779] vfs_iter_write+0x44d/0xd60 [ 257.004272][ T5779] loop_process_work+0x1603/0x3780 [ 257.010713][ T5779] loop_rootcg_workfn+0x2b/0x40 unlink("./1/binderfs") = 0 getdents64(3, 0x55558bff66f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 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 5781 attached [pid 5781] set_robust_list(0x55558bff5660, 24) = 0 [pid 5781] chdir("./2") = 0 [pid 5777] <... clone resumed>, child_tidptr=0x55558bff5650) = 5781 [ 257.016343][ T5779] process_scheduled_works+0xc1d/0x1e80 [ 257.025940][ T5779] worker_thread+0xea7/0x14f0 [ 257.032295][ T5779] kthread+0x6b9/0xef0 [ 257.036982][ T5779] ret_from_fork+0x6d/0x90 [ 257.043514][ T5779] ret_from_fork_asm+0x1a/0x30 [ 257.049952][ T5779] [ 257.053342][ T5779] Uninit was stored to memory at: [ 257.058853][ T5779] hfsplus_bnode_write+0x139/0x3f0 [ 257.064408][ T5779] hfsplus_brec_insert+0xaa1/0x1400 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5781] setpgid(0, 0) = 0 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1000", 4) = 4 [pid 5781] close(3) = 0 [pid 5781] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5781] write(1, "executing program\n", 18executing program ) = 18 [pid 5781] memfd_create("syzkaller", 0) = 3 [pid 5781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b45400000 [ 257.071460][ T5779] hfsplus_create_cat+0x1312/0x1810 [ 257.077019][ T5779] hfsplus_link+0x7d8/0xbf0 [ 257.083665][ T5779] vfs_link+0x94c/0xb70 [ 257.089151][ T5779] do_linkat+0x526/0x1050 [ 257.094177][ T5779] __x64_sys_link+0xe8/0x140 [ 257.099397][ T5779] x64_sys_call+0x3b44/0x3c80 [ 257.105549][ T5779] do_syscall_64+0xcd/0x1e0 [ 257.113082][ T5779] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 257.119338][ T5779] [pid 5781] 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"..., 524288) = 524288 [ 257.122746][ T5779] Uninit was stored to memory at: [ 257.128227][ T5779] hfsplus_create_cat+0x11da/0x1810 [ 257.133678][ T5779] hfsplus_link+0x7d8/0xbf0 [ 257.138511][ T5779] vfs_link+0x94c/0xb70 [ 257.142937][ T5779] do_linkat+0x526/0x1050 [ 257.148608][ T5779] __x64_sys_link+0xe8/0x140 [ 257.153475][ T5779] x64_sys_call+0x3b44/0x3c80 [ 257.158533][ T5779] do_syscall_64+0xcd/0x1e0 [ 257.163301][ T5779] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 257.170592][ T5779] [pid 5781] munmap(0x7f1b45400000, 138412032) = 0 [pid 5781] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5781] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5781] ioctl(4, LOOP_CLR_FD) = 0 [pid 5781] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5781] close(4) = 0 [ 257.173055][ T5779] Uninit was created at: [ 257.179661][ T5779] __alloc_frozen_pages_noprof+0x9a7/0xe00 [ 257.186100][ T5779] alloc_pages_mpol+0x4cd/0x890 [ 257.191235][ T5779] alloc_frozen_pages_noprof+0x1bf/0x1e0 [ 257.200954][ T5779] allocate_slab+0x23a/0x1110 [ 257.206204][ T5779] ___slab_alloc+0x128a/0x3550 [ 257.213110][ T5779] kmem_cache_alloc_lru_noprof+0x866/0xe30 [pid 5781] close(3) = 0 [pid 5781] link("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5781] exit_group(0) = ? [pid 5781] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5781, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 257.219478][ T5779] hfsplus_alloc_inode+0x5a/0xd0 [ 257.224719][ T5779] alloc_inode+0x8a/0x470 [ 257.230269][ T5779] iget_locked+0x254/0x1240 [ 257.236195][ T5779] hfsplus_iget+0x59/0xae0 [ 257.241801][ T5779] hfsplus_btree_open+0x13e/0x1ed0 [ 257.247288][ T5779] hfsplus_fill_super+0x1113/0x26e0 [ 257.256625][ T5779] get_tree_bdev_flags+0x6ec/0x910 [ 257.262021][ T5779] get_tree_bdev+0x37/0x50 [ 257.267057][ T5779] hfsplus_get_tree+0x34/0x40 getdents64(3, 0x55558bff66f0 /* 3 entries */, 32768) = 80 umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./2/binderfs") = 0 getdents64(3, 0x55558bff66f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 [ 257.272566][ T5779] vfs_get_tree+0xb1/0x5a0 [ 257.277557][ T5779] do_new_mount+0x71f/0x15e0 [ 257.284139][ T5779] path_mount+0x742/0x1f10 [ 257.289798][ T5779] __se_sys_mount+0x71f/0x800 [ 257.296676][ T5779] __x64_sys_mount+0xe4/0x150 [ 257.302614][ T5779] x64_sys_call+0xed5/0x3c80 [ 257.307785][ T5779] do_syscall_64+0xcd/0x1e0 [ 257.312525][ T5779] entry_SYSCALL_64_after_hwframe+0x77/0x7f mkdir("./3", 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 5782 attached [pid 5782] set_robust_list(0x55558bff5660, 24) = 0 [pid 5782] chdir("./3" [pid 5777] <... clone resumed>, child_tidptr=0x55558bff5650) = 5782 [pid 5782] <... chdir resumed>) = 0 [pid 5782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 257.322048][ T5779] [ 257.325597][ T5779] Bytes 3310-3313 of 4096 are uninitialized [ 257.331669][ T5779] Memory access of size 4096 starts at ffff888127471000 [ 257.344871][ T5779] Data copied to user address 000055ba70a197e8 [ 257.352130][ T5779] [ 257.355748][ T5779] CPU: 0 UID: 0 PID: 5779 Comm: udevd Not tainted 6.14.0-syzkaller-03576-g1e1ba8d23dae #0 PREEMPT(undef) [pid 5782] setpgid(0, 0) = 0 [pid 5782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5782] write(3, "1000", 4) = 4 [pid 5782] close(3) = 0 [pid 5782] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5782] write(1, "executing program\n", 18) = 18 [pid 5782] memfd_create("syzkaller", 0) = 3 [pid 5782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b45400000 [ 257.367494][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 257.379005][ T5779] ===================================================== [ 257.387323][ T5779] Disabling lock debugging due to kernel taint [ 257.395589][ T5779] Kernel panic - not syncing: kmsan.panic set ... [ 257.402227][ T5779] CPU: 0 UID: 0 PID: 5779 Comm: udevd Tainted: G B 6.14.0-syzkaller-03576-g1e1ba8d23dae #0 PREEMPT(undef) [ 257.415279][ T5779] Tainted: [B]=BAD_PAGE [pid 5782] 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"..., 524288) = 524288 [pid 5782] munmap(0x7f1b45400000, 138412032) = 0 [pid 5782] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5782] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5782] ioctl(4, LOOP_CLR_FD) = 0 [pid 5782] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [ 257.419635][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 257.429908][ T5779] Call Trace: [ 257.433343][ T5779] [ 257.436433][ T5779] dump_stack_lvl+0x216/0x2d0 [ 257.441394][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 257.447503][ T5779] dump_stack+0x1e/0x24 [ 257.451914][ T5779] panic+0x4e5/0xcf0 [ 257.456097][ T5779] ? kmsan_internal_poison_memory+0x80/0x90 [ 257.462302][ T5779] kmsan_report+0x2ca/0x2d0 [ 257.467104][ T5779] ? kmsan_internal_check_memory+0x1af/0x560 [pid 5782] close(4) = 0 [pid 5782] close(3) = 0 [pid 5782] link("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 257.473365][ T5779] ? kmsan_copy_to_user+0xd5/0xf0 [ 257.478670][ T5779] ? _copy_to_iter+0x305/0x2e70 [ 257.483760][ T5779] ? copy_page_to_iter+0x419/0x880 [ 257.489119][ T5779] ? filemap_read+0xc61/0x1be0 [ 257.494107][ T5779] ? blkdev_read_iter+0x80b/0x970 [ 257.499360][ T5779] ? vfs_read+0xc25/0xf70 [ 257.503941][ T5779] ? ksys_read+0x240/0x4b0 [ 257.508618][ T5779] ? __x64_sys_read+0x93/0xe0 [ 257.513549][ T5779] ? x64_sys_call+0x34c9/0x3c80 [ 257.518669][ T5779] ? do_syscall_64+0xcd/0x1e0 [ 257.523676][ T5779] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 257.529986][ T5779] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 257.536338][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 257.541858][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 257.547952][ T5779] ? filemap_get_read_batch+0x50/0x12a0 [ 257.553777][ T5779] ? filter_irq_stacks+0x60/0x1b0 [ 257.559053][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 257.564532][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 257.570638][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 257.576107][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 257.582217][ T5779] kmsan_internal_check_memory+0x1af/0x560 [ 257.588327][ T5779] kmsan_copy_to_user+0xd5/0xf0 [ 257.593464][ T5779] ? should_fail_usercopy+0x2e/0x40 [ 257.598944][ T5779] _copy_to_iter+0x305/0x2e70 [ 257.603872][ T5779] ? filemap_get_pages+0x374c/0x3aa0 [ 257.609398][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 257.614884][ T5779] copy_page_to_iter+0x419/0x880 [ 257.620070][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 257.625574][ T5779] filemap_read+0xc61/0x1be0 [ 257.630391][ T5779] ? do_wp_page+0x4682/0x7160 [ 257.635309][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 257.640840][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 257.646949][ T5779] ? __rcu_read_unlock+0x7b/0xe0 [ 257.652257][ T5779] blkdev_read_iter+0x80b/0x970 [ 257.657349][ T5779] ? __pfx_blkdev_read_iter+0x10/0x10 [ 257.662951][ T5779] vfs_read+0xc25/0xf70 [ 257.667380][ T5779] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 257.673474][ T5779] ksys_read+0x240/0x4b0 [ 257.677961][ T5779] ? kmsan_get_metadata+0x13e/0x1c0 [ 257.683472][ T5779] __x64_sys_read+0x93/0xe0 [ 257.688261][ T5779] x64_sys_call+0x34c9/0x3c80 [ 257.693200][ T5779] do_syscall_64+0xcd/0x1e0 [ 257.697961][ T5779] ? clear_bhb_loop+0x25/0x80 [ 257.702845][ T5779] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 257.708920][ T5779] RIP: 0033:0x7fd279f16b6a [ 257.713536][ T5779] Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83 [ 257.733404][ T5779] RSP: 002b:00007ffe5c631e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 257.742101][ T5779] RAX: ffffffffffffffda RBX: 0000000000018c00 RCX: 00007fd279f16b6a [ 257.750290][ T5779] RDX: 0000000000002000 RSI: 000055ba70a193e8 RDI: 0000000000000009 [ 257.758465][ T5779] RBP: 0000000000002000 R08: 000055ba70a193c0 R09: 4690f507cae80018 [ 257.766747][ T5779] R10: 0000000000000211 R11: 0000000000000246 R12: 000055ba70a193c0 [ 257.774914][ T5779] R13: 000055ba70a193d8 R14: 000055ba709ea4b8 R15: 000055ba709ea460 [ 257.783118][ T5779] [ 257.786689][ T5779] Kernel Offset: disabled [ 257.791121][ T5779] Rebooting in 86400 seconds..