./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor179306147 <...> DUID 00:04:03:2c:e5:fc:a2:19:b8:8b:c5:bf:62:63:19:3a:75:c6 forked to background, child pid 4658 [ 51.812439][ T4659] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.835701][ T4659] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. execve("./syz-executor179306147", ["./syz-executor179306147"], 0x7ffd6c560730 /* 10 vars */) = 0 brk(NULL) = 0x5555568f1000 brk(0x5555568f1c40) = 0x5555568f1c40 arch_prctl(ARCH_SET_FS, 0x5555568f1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor179306147", 4096) = 27 brk(0x555556912c40) = 0x555556912c40 brk(0x555556913000) = 0x555556913000 mprotect(0x7ff19bca2000, 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 getpid() = 5091 mkdir("./syzkaller.JkaNsb", 0700) = 0 chmod("./syzkaller.JkaNsb", 0777) = 0 chdir("./syzkaller.JkaNsb") = 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=0x5555568f15d0) = 5092 ./strace-static-x86_64: Process 5092 attached [pid 5092] chdir("./0") = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5092] memfd_create("syzkaller", 0) = 3 [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff1937e4000 syzkaller login: [ 78.172418][ T5092] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5092 'syz-executor179' [pid 5092] 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"..., 7629503) = 7629503 [pid 5092] munmap(0x7ff1937e4000, 7629503) = 0 [pid 5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5092] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5092] close(3) = 0 [pid 5092] mkdir("./file0", 0777) = 0 [pid 5092] mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 [pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5092] chdir("./file0") = 0 [pid 5092] ioctl(4, LOOP_CLR_FD) = 0 [pid 5092] close(4) = 0 [pid 5092] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EROFS (Read-only file system) [pid 5092] exit_group(0) = ? [pid 5092] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 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 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555568f2620 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./0/binderfs") = 0 [ 78.275262][ T5092] loop0: detected capacity change from 0 to 14901 umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x5555568fa660 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555568fa660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0") = 0 getdents64(3, 0x5555568f2620 /* 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) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568f15d0) = 5094 ./strace-static-x86_64: Process 5094 attached [pid 5094] chdir("./1") = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5094] memfd_create("syzkaller", 0) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff1937e4000 [pid 5094] 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"..., 7629503) = 7629503 [pid 5094] munmap(0x7ff1937e4000, 7629503) = 0 [pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5094] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5094] close(3) = 0 [pid 5094] mkdir("./file0", 0777) = 0 [pid 5094] mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 [pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5094] chdir("./file0") = 0 [pid 5094] ioctl(4, LOOP_CLR_FD) = 0 [pid 5094] close(4) = 0 [pid 5094] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EROFS (Read-only file system) [pid 5094] exit_group(0) = ? [pid 5094] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555568f2620 /* 4 entries */, 32768) = 112 umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./1/binderfs") = 0 [ 78.507896][ T5094] loop0: detected capacity change from 0 to 14901 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x5555568fa660 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555568fa660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/file0") = 0 getdents64(3, 0x5555568f2620 /* 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) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568f15d0) = 5095 ./strace-static-x86_64: Process 5095 attached [pid 5095] chdir("./2") = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5095] memfd_create("syzkaller", 0) = 3 [pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff1937e4000 [pid 5095] 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"..., 7629503) = 7629503 [pid 5095] munmap(0x7ff1937e4000, 7629503) = 0 [pid 5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5095] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5095] close(3) = 0 [pid 5095] mkdir("./file0", 0777) = 0 [pid 5095] mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 [pid 5095] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5095] chdir("./file0") = 0 [pid 5095] ioctl(4, LOOP_CLR_FD) = 0 [pid 5095] close(4) = 0 [pid 5095] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EROFS (Read-only file system) [pid 5095] exit_group(0) = ? [pid 5095] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555568f2620 /* 4 entries */, 32768) = 112 umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./2/binderfs") = 0 [ 78.735691][ T5095] loop0: detected capacity change from 0 to 14901 umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x5555568fa660 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555568fa660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/file0") = 0 getdents64(3, 0x5555568f2620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 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=0x5555568f15d0) = 5096 ./strace-static-x86_64: Process 5096 attached [pid 5096] chdir("./3") = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff1937e4000 [pid 5096] 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"..., 7629503) = 7629503 [pid 5096] munmap(0x7ff1937e4000, 7629503) = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5096] close(3) = 0 [pid 5096] mkdir("./file0", 0777) = 0 [pid 5096] mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 [pid 5096] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5096] chdir("./file0") = 0 [pid 5096] ioctl(4, LOOP_CLR_FD) = 0 [pid 5096] close(4) = 0 [pid 5096] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EROFS (Read-only file system) [pid 5096] exit_group(0) = ? [pid 5096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555568f2620 /* 4 entries */, 32768) = 112 umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./3/binderfs") = 0 umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x5555568fa660 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555568fa660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/file0") = 0 getdents64(3, 0x5555568f2620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 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=0x5555568f15d0) = 5097 ./strace-static-x86_64: Process 5097 attached [ 78.952631][ T5096] loop0: detected capacity change from 0 to 14901 [pid 5097] chdir("./4") = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] setpgid(0, 0) = 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1000", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5097] memfd_create("syzkaller", 0) = 3 [pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff1937e4000 [pid 5097] 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"..., 7629503) = 7629503 [pid 5097] munmap(0x7ff1937e4000, 7629503) = 0 [pid 5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5097] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5097] close(3) = 0 [pid 5097] mkdir("./file0", 0777) = 0 [pid 5097] mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 [pid 5097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5097] chdir("./file0") = 0 [pid 5097] ioctl(4, LOOP_CLR_FD) = 0 [pid 5097] close(4) = 0 [pid 5097] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EROFS (Read-only file system) [pid 5097] exit_group(0) = ? [pid 5097] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555568f2620 /* 4 entries */, 32768) = 112 umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./4/binderfs") = 0 umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x5555568fa660 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555568fa660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/file0") = 0 getdents64(3, 0x5555568f2620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 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 5098 attached , child_tidptr=0x5555568f15d0) = 5098 [pid 5098] chdir("./5") = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3) = 0 [pid 5098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5098] memfd_create("syzkaller", 0) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff1937e4000 [ 79.147117][ T5097] loop0: detected capacity change from 0 to 14901 [pid 5098] 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"..., 7629503) = 7629503 [pid 5098] munmap(0x7ff1937e4000, 7629503) = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5098] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5098] close(3) = 0 [pid 5098] mkdir("./file0", 0777) = 0 [pid 5098] mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 [pid 5098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5098] chdir("./file0") = 0 [pid 5098] ioctl(4, LOOP_CLR_FD) = 0 [pid 5098] close(4) = 0 [pid 5098] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EROFS (Read-only file system) [pid 5098] exit_group(0) = ? [pid 5098] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555568f2620 /* 4 entries */, 32768) = 112 umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./5/binderfs") = 0 umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x5555568fa660 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555568fa660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/file0") = 0 getdents64(3, 0x5555568f2620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 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=0x5555568f15d0) = 5099 ./strace-static-x86_64: Process 5099 attached [pid 5099] chdir("./6") = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5099] setpgid(0, 0) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 5099] close(3) = 0 [pid 5099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5099] memfd_create("syzkaller", 0) = 3 [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff1937e4000 [ 79.327455][ T5098] loop0: detected capacity change from 0 to 14901 [pid 5099] 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"..., 7629503) = 7629503 [pid 5099] munmap(0x7ff1937e4000, 7629503) = 0 [pid 5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5099] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5099] close(3) = 0 [pid 5099] mkdir("./file0", 0777) = 0 [pid 5099] mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 [pid 5099] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5099] chdir("./file0") = 0 [pid 5099] ioctl(4, LOOP_CLR_FD) = 0 [pid 5099] close(4) = 0 [pid 5099] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EROFS (Read-only file system) [pid 5099] exit_group(0) = ? [pid 5099] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=7 /* 0.07 s */} --- umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555568f2620 /* 4 entries */, 32768) = 112 umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./6/binderfs") = 0 [ 79.510361][ T5099] loop0: detected capacity change from 0 to 14901 umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x5555568fa660 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555568fa660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/file0") = 0 getdents64(3, 0x5555568f2620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 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 5100 attached , child_tidptr=0x5555568f15d0) = 5100 [pid 5100] chdir("./7") = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5100] write(3, "1000", 4) = 4 [pid 5100] close(3) = 0 [pid 5100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5100] memfd_create("syzkaller", 0) = 3 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff1937e4000 [pid 5100] 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"..., 7629503) = 7629503 [pid 5100] munmap(0x7ff1937e4000, 7629503) = 0 [pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5100] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5100] close(3) = 0 [pid 5100] mkdir("./file0", 0777) = 0 [pid 5100] mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 [pid 5100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5100] chdir("./file0") = 0 [pid 5100] ioctl(4, LOOP_CLR_FD) = 0 [pid 5100] close(4) = 0 [ 79.722446][ T5100] loop0: detected capacity change from 0 to 14901 [ 79.744276][ T5100] ================================================================== [ 79.752397][ T5100] BUG: KASAN: slab-out-of-bounds in dtSearch+0x1c6a/0x2090 [ 79.759730][ T5100] Read of size 1 at addr ffff8880739c79f4 by task syz-executor179/5100 [ 79.767998][ T5100] [ 79.770329][ T5100] CPU: 1 PID: 5100 Comm: syz-executor179 Not tainted 6.3.0-rc2-next-20230317-syzkaller #0 [ 79.780226][ T5100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 79.790284][ T5100] Call Trace: [ 79.793566][ T5100] [ 79.796499][ T5100] dump_stack_lvl+0xd9/0x150 [ 79.801114][ T5100] print_address_description.constprop.0+0x2c/0x3c0 [ 79.807722][ T5100] ? dtSearch+0x1c6a/0x2090 [ 79.812245][ T5100] kasan_report+0x11c/0x130 [ 79.816767][ T5100] ? dtSearch+0x1c6a/0x2090 [ 79.821310][ T5100] dtSearch+0x1c6a/0x2090 [ 79.825674][ T5100] jfs_lookup+0x180/0x340 [ 79.830036][ T5100] ? jfs_link+0x520/0x520 [ 79.834391][ T5100] ? __d_lookup+0x267/0x4c0 [ 79.838926][ T5100] ? trace_lock_acquire+0x12d/0x180 [ 79.844145][ T5100] ? __d_lookup_rcu+0x4e0/0x4e0 [ 79.849064][ T5100] ? __d_lookup+0x289/0x4c0 [ 79.853605][ T5100] lookup_open.isra.0+0x944/0x1400 [ 79.858757][ T5100] ? link_path_walk.part.0+0xd60/0xd60 [ 79.864268][ T5100] ? path_openat+0x90f/0x2750 [ 79.868995][ T5100] ? lock_acquire+0x32/0xc0 [ 79.873524][ T5100] ? path_openat+0x90f/0x2750 [ 79.878327][ T5100] ? down_write_killable+0x250/0x250 [ 79.883644][ T5100] path_openat+0x975/0x2750 [ 79.888185][ T5100] ? __lock_acquire+0x1916/0x5df0 [ 79.893235][ T5100] ? path_lookupat+0x840/0x840 [ 79.898043][ T5100] do_filp_open+0x1ba/0x410 [ 79.902565][ T5100] ? may_open_dev+0xf0/0xf0 [ 79.907085][ T5100] ? find_held_lock+0x2d/0x110 [ 79.911872][ T5100] ? do_raw_spin_lock+0x124/0x2b0 [ 79.916951][ T5100] ? spin_bug+0x1c0/0x1c0 [ 79.921341][ T5100] ? _raw_spin_unlock+0x28/0x40 [ 79.926239][ T5100] ? alloc_fd+0x2e4/0x750 [ 79.930627][ T5100] do_sys_openat2+0x16d/0x4c0 [ 79.935344][ T5100] ? ptrace_stop.part.0+0x60f/0x8e0 [ 79.940577][ T5100] ? build_open_flags+0x6f0/0x6f0 [ 79.945635][ T5100] ? ptrace_notify+0xfe/0x140 [ 79.950335][ T5100] ? lock_downgrade+0x690/0x690 [ 79.955216][ T5100] __x64_sys_open+0x11d/0x1c0 [ 79.959916][ T5100] ? do_sys_open+0x150/0x150 [ 79.964530][ T5100] ? _raw_spin_unlock_irq+0x2e/0x50 [ 79.969778][ T5100] ? ptrace_notify+0xfe/0x140 [ 79.974479][ T5100] do_syscall_64+0x39/0xb0 [ 79.978912][ T5100] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 79.984841][ T5100] RIP: 0033:0x7ff19bc319d9 [ 79.989278][ T5100] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 80.008904][ T5100] RSP: 002b:00007ffe0e6f6348 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 80.017356][ T5100] RAX: ffffffffffffffda RBX: 0000000000012fed RCX: 00007ff19bc319d9 [ 80.025346][ T5100] RDX: 0000000000000000 RSI: 000000000014da42 RDI: 00000000200000c0 [ 80.033338][ T5100] RBP: 0000000000000000 R08: 000000000000234a R09: 00007ffe0e6f6370 [ 80.041325][ T5100] R10: 00007ffe0e6f6210 R11: 0000000000000246 R12: 00007ffe0e6f636c [ 80.049310][ T5100] R13: 00007ffe0e6f63a0 R14: 00007ffe0e6f6380 R15: 0000000000000007 [ 80.057304][ T5100] [ 80.060329][ T5100] [ 80.062658][ T5100] The buggy address belongs to the object at ffff8880739c6e58 [ 80.062658][ T5100] which belongs to the cache ext4_inode_cache of size 2440 [ 80.077245][ T5100] The buggy address is located 532 bytes to the right of [ 80.077245][ T5100] allocated 2440-byte region [ffff8880739c6e58, ffff8880739c77e0) [ 80.092020][ T5100] [ 80.094352][ T5100] The buggy address belongs to the physical page: [ 80.100766][ T5100] page:ffffea0001ce7000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x739c0 [ 80.110942][ T5100] head:ffffea0001ce7000 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 80.119892][ T5100] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 80.127887][ T5100] page_type: 0xffffffff() [ 80.132252][ T5100] raw: 00fff00000010200 ffff888019123dc0 dead000000000122 0000000000000000 [ 80.140856][ T5100] raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000 [ 80.149447][ T5100] page dumped because: kasan: bad access detected [ 80.155869][ T5100] page_owner tracks the page as allocated [ 80.161588][ T5100] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_RECLAIMABLE), pid 5100, tgid 5100 (syz-executor179), ts 79730051715, free_ts 26629198757 [ 80.184295][ T5100] get_page_from_freelist+0xf75/0x2ab0 [ 80.189788][ T5100] __alloc_pages+0x1cb/0x4a0 [ 80.194421][ T5100] alloc_pages+0x1aa/0x270 [ 80.198859][ T5100] allocate_slab+0x28e/0x380 [ 80.203471][ T5100] ___slab_alloc+0xa91/0x1400 [ 80.208164][ T5100] __slab_alloc.constprop.0+0x56/0xa0 [ 80.213562][ T5100] kmem_cache_alloc_lru+0x4a8/0x600 [ 80.218780][ T5100] ext4_alloc_inode+0x28/0x680 [ 80.223575][ T5100] alloc_inode+0x61/0x230 [ 80.227919][ T5100] new_inode+0x2b/0x280 [ 80.232091][ T5100] __ext4_new_inode+0x34f/0x54c0 [ 80.237065][ T5100] ext4_mkdir+0x33e/0xb20 [ 80.241421][ T5100] vfs_mkdir+0x242/0x460 [ 80.245696][ T5100] do_mkdirat+0x28d/0x310 [ 80.250043][ T5100] __x64_sys_mkdir+0xf6/0x140 [ 80.254735][ T5100] do_syscall_64+0x39/0xb0 [ 80.259171][ T5100] page last free stack trace: [ 80.263850][ T5100] free_unref_page_prepare+0x4d1/0xb60 [ 80.269330][ T5100] free_unref_page+0x33/0x370 [ 80.274028][ T5100] free_contig_range+0xb5/0x180 [ 80.278904][ T5100] destroy_args+0x6c4/0x920 [ 80.283424][ T5100] debug_vm_pgtable+0x242a/0x4640 [ 80.288478][ T5100] do_one_initcall+0x102/0x540 [ 80.293284][ T5100] kernel_init_freeable+0x5ec/0x900 [ 80.298497][ T5100] kernel_init+0x1e/0x2c0 [ 80.302863][ T5100] ret_from_fork+0x1f/0x30 [ 80.307316][ T5100] [ 80.309644][ T5100] Memory state around the buggy address: [ 80.315367][ T5100] ffff8880739c7880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 80.323437][ T5100] ffff8880739c7900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 80.331506][ T5100] >ffff8880739c7980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 80.339573][ T5100] ^ [ 80.347468][ T5100] ffff8880739c7a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 80.355547][ T5100] ffff8880739c7a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 80.363614][ T5100] ================================================================== [ 80.372482][ T5100] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 80.379720][ T5100] CPU: 0 PID: 5100 Comm: syz-executor179 Not tainted 6.3.0-rc2-next-20230317-syzkaller #0 [ 80.389642][ T5100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 80.399702][ T5100] Call Trace: [ 80.402982][ T5100] [ 80.405911][ T5100] dump_stack_lvl+0xd9/0x150 [ 80.410529][ T5100] panic+0x688/0x730 [ 80.414444][ T5100] ? panic_smp_self_stop+0x90/0x90 [ 80.419594][ T5100] ? preempt_schedule_thunk+0x1a/0x20 [ 80.425004][ T5100] ? preempt_schedule_common+0x45/0xb0 [ 80.430505][ T5100] check_panic_on_warn+0xb1/0xc0 [ 80.435477][ T5100] end_report+0xe9/0x120 [ 80.439774][ T5100] ? dtSearch+0x1c6a/0x2090 [ 80.444392][ T5100] kasan_report+0xf9/0x130 [ 80.448854][ T5100] ? dtSearch+0x1c6a/0x2090 [ 80.453442][ T5100] dtSearch+0x1c6a/0x2090 [ 80.457841][ T5100] jfs_lookup+0x180/0x340 [ 80.462226][ T5100] ? jfs_link+0x520/0x520 [ 80.466573][ T5100] ? __d_lookup+0x267/0x4c0 [ 80.471111][ T5100] ? trace_lock_acquire+0x12d/0x180 [ 80.476609][ T5100] ? __d_lookup_rcu+0x4e0/0x4e0 [ 80.481501][ T5100] ? __d_lookup+0x289/0x4c0 [ 80.486066][ T5100] lookup_open.isra.0+0x944/0x1400 [ 80.491238][ T5100] ? link_path_walk.part.0+0xd60/0xd60 [ 80.496725][ T5100] ? path_openat+0x90f/0x2750 [ 80.501428][ T5100] ? lock_acquire+0x32/0xc0 [ 80.505950][ T5100] ? path_openat+0x90f/0x2750 [ 80.510751][ T5100] ? down_write_killable+0x250/0x250 [ 80.516099][ T5100] path_openat+0x975/0x2750 [ 80.520680][ T5100] ? __lock_acquire+0x1916/0x5df0 [ 80.525838][ T5100] ? path_lookupat+0x840/0x840 [ 80.530648][ T5100] do_filp_open+0x1ba/0x410 [ 80.535198][ T5100] ? may_open_dev+0xf0/0xf0 [ 80.539754][ T5100] ? find_held_lock+0x2d/0x110 [ 80.544564][ T5100] ? do_raw_spin_lock+0x124/0x2b0 [ 80.549615][ T5100] ? spin_bug+0x1c0/0x1c0 [ 80.554018][ T5100] ? _raw_spin_unlock+0x28/0x40 [ 80.558895][ T5100] ? alloc_fd+0x2e4/0x750 [ 80.563253][ T5100] do_sys_openat2+0x16d/0x4c0 [ 80.567989][ T5100] ? ptrace_stop.part.0+0x60f/0x8e0 [ 80.573235][ T5100] ? build_open_flags+0x6f0/0x6f0 [ 80.578293][ T5100] ? ptrace_notify+0xfe/0x140 [ 80.583000][ T5100] ? lock_downgrade+0x690/0x690 [ 80.587872][ T5100] __x64_sys_open+0x11d/0x1c0 [ 80.592582][ T5100] ? do_sys_open+0x150/0x150 [ 80.597212][ T5100] ? _raw_spin_unlock_irq+0x2e/0x50 [ 80.602466][ T5100] ? ptrace_notify+0xfe/0x140 [ 80.607198][ T5100] do_syscall_64+0x39/0xb0 [ 80.611648][ T5100] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 80.617573][ T5100] RIP: 0033:0x7ff19bc319d9 [ 80.622009][ T5100] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 80.641906][ T5100] RSP: 002b:00007ffe0e6f6348 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 80.650369][ T5100] RAX: ffffffffffffffda RBX: 0000000000012fed RCX: 00007ff19bc319d9 [ 80.658367][ T5100] RDX: 0000000000000000 RSI: 000000000014da42 RDI: 00000000200000c0 [ 80.666363][ T5100] RBP: 0000000000000000 R08: 000000000000234a R09: 00007ffe0e6f6370 [ 80.674362][ T5100] R10: 00007ffe0e6f6210 R11: 0000000000000246 R12: 00007ffe0e6f636c [ 80.682352][ T5100] R13: 00007ffe0e6f63a0 R14: 00007ffe0e6f6380 R15: 0000000000000007 [ 80.690361][ T5100] [ 80.693636][ T5100] Kernel Offset: disabled [ 80.697974][ T5100] Rebooting in 86400 seconds..