./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3250107232 <...> DUID 00:04:e6:d8:3e:4c:c1:15:84:42:dc:00:60:8c:e3:5f:26:b4 forked to background, child pid 5485 [ 37.872710][ T5486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.885018][ T5486] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.206' (ED25519) to the list of known hosts. execve("./syz-executor3250107232", ["./syz-executor3250107232"], 0x7ffcbeec9390 /* 10 vars */) = 0 brk(NULL) = 0x5555902eb000 brk(0x5555902ebd00) = 0x5555902ebd00 arch_prctl(ARCH_SET_FS, 0x5555902eb380) = 0 set_tid_address(0x5555902eb650) = 5816 set_robust_list(0x5555902eb660, 24) = 0 rseq(0x5555902ebca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3250107232", 4096) = 28 getrandom("\xb1\x3e\xe5\x8d\xb7\x9d\x1a\x0d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555902ebd00 brk(0x55559030cd00) = 0x55559030cd00 brk(0x55559030d000) = 0x55559030d000 mprotect(0x7fe86331f000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555902eb650) = 5817 ./strace-static-x86_64: Process 5817 attached [pid 5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5817] set_robust_list(0x5555902eb660, 24) = 0 ./strace-static-x86_64: Process 5818 attached [pid 5816] <... clone resumed>, child_tidptr=0x5555902eb650) = 5818 [pid 5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] set_robust_list(0x5555902eb660, 24 [pid 5817] mkdir("./syzkaller.8TfUW6", 0700 [pid 5818] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5819 attached [pid 5818] mkdir("./syzkaller.gAdW8d", 0700 [pid 5819] set_robust_list(0x5555902eb660, 24) = 0 [pid 5816] <... clone resumed>, child_tidptr=0x5555902eb650) = 5819 [pid 5817] <... mkdir resumed>) = 0 [pid 5819] mkdir("./syzkaller.kcd72c", 0700 [pid 5817] chmod("./syzkaller.8TfUW6", 0777) = 0 [pid 5817] chdir("./syzkaller.8TfUW6" [pid 5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] <... mkdir resumed>) = 0 [pid 5818] <... mkdir resumed>) = 0 [pid 5817] <... chdir resumed>) = 0 [pid 5817] mkdir("./0", 0777./strace-static-x86_64: Process 5820 attached [pid 5819] chmod("./syzkaller.kcd72c", 0777 [pid 5817] <... mkdir resumed>) = 0 [pid 5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5820] set_robust_list(0x5555902eb660, 24 [pid 5819] <... chmod resumed>) = 0 [pid 5818] chmod("./syzkaller.gAdW8d", 0777 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5819] chdir("./syzkaller.kcd72c" [pid 5816] <... clone resumed>, child_tidptr=0x5555902eb650) = 5820 [pid 5820] mkdir("./syzkaller.6Xw8jb", 0700 [pid 5819] <... chdir resumed>) = 0 [pid 5818] <... chmod resumed>) = 0 [pid 5817] <... openat resumed>) = 3 [pid 5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5821 attached [pid 5820] <... mkdir resumed>) = 0 [pid 5819] mkdir("./0", 0777 [pid 5818] chdir("./syzkaller.gAdW8d" [pid 5817] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5821] set_robust_list(0x5555902eb660, 24 [pid 5820] chmod("./syzkaller.6Xw8jb", 0777 [pid 5819] <... mkdir resumed>) = 0 [pid 5818] <... chdir resumed>) = 0 [pid 5816] <... clone resumed>, child_tidptr=0x5555902eb650) = 5821 [pid 5821] <... set_robust_list resumed>) = 0 [pid 5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5818] mkdir("./0", 0777 [pid 5817] close(3 [pid 5821] getrandom( [pid 5819] <... openat resumed>) = 3 [pid 5820] <... chmod resumed>) = 0 [pid 5819] ioctl(3, LOOP_CLR_FD [pid 5821] <... getrandom resumed>"\xce\x12\x35\xe2\xee\xb0\x76\xbc", 8, GRND_NONBLOCK) = 8 [pid 5820] chdir("./syzkaller.6Xw8jb" [pid 5818] <... mkdir resumed>) = 0 [pid 5817] <... close resumed>) = 0 [pid 5821] mkdir("./syzkaller.kwA3sb", 0700 [pid 5820] <... chdir resumed>) = 0 [pid 5819] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5823 attached [pid 5821] <... mkdir resumed>) = 0 [pid 5820] mkdir("./0", 0777 [pid 5818] <... openat resumed>) = 3 [pid 5819] close(3) = 0 [pid 5823] set_robust_list(0x5555902eb660, 24 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] <... set_robust_list resumed>) = 0 [pid 5820] <... mkdir resumed>) = 0 [pid 5823] chdir("./0" [pid 5818] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5824 attached [pid 5817] <... clone resumed>, child_tidptr=0x5555902eb650) = 5823 [pid 5824] set_robust_list(0x5555902eb660, 24 [pid 5821] chmod("./syzkaller.kwA3sb", 0777) = 0 [pid 5818] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5823] <... chdir resumed>) = 0 [pid 5821] chdir("./syzkaller.kwA3sb" [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] <... chdir resumed>) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x5555902eb650) = 5824 [pid 5818] close(3 [pid 5823] <... prctl resumed>) = 0 [pid 5821] mkdir("./0", 0777 [pid 5818] <... close resumed>) = 0 [pid 5823] setpgid(0, 0 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached [pid 5823] <... setpgid resumed>) = 0 [pid 5821] <... mkdir resumed>) = 0 [pid 5825] set_robust_list(0x5555902eb660, 24 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] <... set_robust_list resumed>) = 0 [pid 5825] chdir("./0" [pid 5823] <... openat resumed>) = 3 [pid 5825] <... chdir resumed>) = 0 [pid 5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] <... openat resumed>) = 3 [pid 5818] <... clone resumed>, child_tidptr=0x5555902eb650) = 5825 [pid 5825] <... prctl resumed>) = 0 [pid 5823] write(3, "1000", 4 [pid 5825] setpgid(0, 0) = 0 [pid 5823] <... write resumed>) = 4 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] close(3 [pid 5821] ioctl(3, LOOP_CLR_FD [pid 5823] <... close resumed>) = 0 [pid 5821] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5823] symlink("/dev/binderfs", "./binderfs" [pid 5821] close(3 [pid 5825] <... openat resumed>) = 3 [pid 5823] <... symlink resumed>) = 0 [pid 5821] <... close resumed>) = 0 [pid 5825] write(3, "1000", 4) = 4 [pid 5825] close(3 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5824] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5826 attached [pid 5825] <... close resumed>) = 0 [pid 5826] set_robust_list(0x5555902eb660, 24 [pid 5825] symlink("/dev/binderfs", "./binderfs" [pid 5820] <... openat resumed>) = 3 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] <... symlink resumed>) = 0 [pid 5824] chdir("./0" [pid 5823] write(1, "executing program\n", 18 [pid 5820] ioctl(3, LOOP_CLR_FD [pid 5826] chdir("./0" [pid 5824] <... chdir resumed>) = 0 [pid 5826] <... chdir resumed>) = 0 [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program executing program [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] write(1, "executing program\n", 18 [pid 5824] <... prctl resumed>) = 0 [pid 5823] <... write resumed>) = 18 [pid 5821] <... clone resumed>, child_tidptr=0x5555902eb650) = 5826 [pid 5820] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5826] <... prctl resumed>) = 0 [pid 5825] <... write resumed>) = 18 [pid 5824] setpgid(0, 0 [pid 5823] memfd_create("syzkaller", 0 [pid 5826] setpgid(0, 0 [pid 5825] memfd_create("syzkaller", 0 [pid 5824] <... setpgid resumed>) = 0 [pid 5820] close(3 [pid 5826] <... setpgid resumed>) = 0 [pid 5825] <... memfd_create resumed>) = 3 [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] <... memfd_create resumed>) = 3 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5826] <... openat resumed>) = 3 [pid 5825] <... mmap resumed>) = 0x7fe85ae00000 [pid 5824] <... openat resumed>) = 3 [pid 5823] <... mmap resumed>) = 0x7fe85ae00000 [pid 5820] <... close resumed>) = 0 [pid 5826] write(3, "1000", 4 [pid 5824] write(3, "1000", 4 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... write resumed>) = 4 [pid 5824] <... write resumed>) = 4 executing program executing program ./strace-static-x86_64: Process 5827 attached [pid 5826] close(3 [pid 5824] close(3 [pid 5826] <... close resumed>) = 0 [pid 5824] <... close resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x5555902eb650) = 5827 [pid 5826] symlink("/dev/binderfs", "./binderfs" [pid 5824] symlink("/dev/binderfs", "./binderfs" [pid 5826] <... symlink resumed>) = 0 [pid 5826] write(1, "executing program\n", 18 [pid 5824] <... symlink resumed>) = 0 [pid 5826] <... write resumed>) = 18 [pid 5824] write(1, "executing program\n", 18) = 18 [pid 5826] memfd_create("syzkaller", 0 [pid 5827] set_robust_list(0x5555902eb660, 24) = 0 [pid 5824] memfd_create("syzkaller", 0 [pid 5827] chdir("./0" [pid 5826] <... memfd_create resumed>) = 3 [pid 5824] <... memfd_create resumed>) = 3 [pid 5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5827] <... chdir resumed>) = 0 [pid 5824] <... mmap resumed>) = 0x7fe85ae00000 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] setpgid(0, 0) = 0 [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe85ae00000 [pid 5827] write(3, "1000", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5827] write(1, "executing program\n", 18) = 18 [pid 5827] memfd_create("syzkaller", 0) = 3 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe85ae00000 [pid 5824] 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 [pid 5826] 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 [pid 5825] 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 [pid 5827] 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 [pid 5823] 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 [pid 5826] <... write resumed>) = 16777216 [pid 5824] <... write resumed>) = 16777216 [pid 5826] munmap(0x7fe85ae00000, 138412032 [pid 5825] <... write resumed>) = 16777216 [pid 5823] <... write resumed>) = 16777216 [pid 5826] <... munmap resumed>) = 0 [pid 5824] munmap(0x7fe85ae00000, 138412032 [pid 5823] munmap(0x7fe85ae00000, 138412032 [pid 5826] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5825] munmap(0x7fe85ae00000, 138412032 [pid 5824] <... munmap resumed>) = 0 [pid 5823] <... munmap resumed>) = 0 [pid 5826] <... openat resumed>) = 4 [pid 5826] ioctl(4, LOOP_SET_FD, 3 [pid 5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5824] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5823] ioctl(4, LOOP_SET_FD, 3 [pid 5827] <... write resumed>) = 16777216 [pid 5826] <... ioctl resumed>) = 0 [pid 5825] <... munmap resumed>) = 0 [pid 5824] <... openat resumed>) = 4 [pid 5827] munmap(0x7fe85ae00000, 138412032 [pid 5826] close(3 [pid 5824] ioctl(4, LOOP_SET_FD, 3 [pid 5825] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5823] <... ioctl resumed>) = 0 [pid 5825] <... openat resumed>) = 4 syzkaller login: [ 63.072202][ T5826] loop4: detected capacity change from 0 to 32768 [ 63.081080][ T5823] loop0: detected capacity change from 0 to 32768 [ 63.086089][ T5824] loop2: detected capacity change from 0 to 32768 [ 63.104022][ T5826] ======================================================= [ 63.104022][ T5826] WARNING: The mand mount option has been deprecated and [pid 5827] <... munmap resumed>) = 0 [pid 5826] <... close resumed>) = 0 [pid 5824] <... ioctl resumed>) = 0 [pid 5823] close(3 [pid 5826] close(4 [pid 5825] ioctl(4, LOOP_SET_FD, 3 [pid 5823] <... close resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] <... close resumed>) = 0 [pid 5824] close(3 [pid 5826] mkdir("./file0", 0777 [pid 5824] <... close resumed>) = 0 [pid 5826] <... mkdir resumed>) = 0 [pid 5824] close(4 [pid 5826] mount("/dev/loop4", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,iocharset=maciceland,integrity,nointegrity,nodiscard,quota" [pid 5824] <... close resumed>) = 0 [pid 5823] close(4 [pid 5827] <... openat resumed>) = 4 [pid 5825] <... ioctl resumed>) = 0 [pid 5823] <... close resumed>) = 0 [pid 5827] ioctl(4, LOOP_SET_FD, 3 [pid 5825] close(3 [pid 5823] mkdir("./file0", 0777) = 0 [pid 5824] mkdir("./file0", 0777 [pid 5825] <... close resumed>) = 0 [pid 5823] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,iocharset=maciceland,integrity,nointegrity,nodiscard,quota" [pid 5825] close(4) = 0 [pid 5825] mkdir("./file0", 0777) = 0 [pid 5824] <... mkdir resumed>) = 0 [pid 5824] mount("/dev/loop2", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,iocharset=maciceland,integrity,nointegrity,nodiscard,quota" [pid 5827] <... ioctl resumed>) = 0 [pid 5825] mount("/dev/loop1", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,iocharset=maciceland,integrity,nointegrity,nodiscard,quota" [pid 5824] <... mount resumed>) = 0 [pid 5824] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5827] close(3 [pid 5824] <... openat resumed>) = 3 [pid 5827] <... close resumed>) = 0 [pid 5825] <... mount resumed>) = 0 [pid 5824] chdir("./file0" [pid 5827] close(4 [pid 5825] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5827] <... close resumed>) = 0 [pid 5826] <... mount resumed>) = 0 [pid 5825] <... openat resumed>) = 3 [pid 5824] <... chdir resumed>) = 0 [pid 5823] <... mount resumed>) = 0 [pid 5827] mkdir("./file0", 0777 [pid 5826] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5825] chdir("./file0") = 0 [pid 5825] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5827] <... mkdir resumed>) = 0 [pid 5825] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 63.104022][ T5826] and is ignored by this kernel. Remove the mand [ 63.104022][ T5826] option from the mount to silence this warning. [ 63.104022][ T5826] ======================================================= [ 63.112286][ T5825] loop1: detected capacity change from 0 to 32768 [ 63.154679][ T5827] loop3: detected capacity change from 0 to 32768 [pid 5824] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] <... openat resumed>) = 3 [pid 5827] mount("/dev/loop3", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,iocharset=maciceland,integrity,nointegrity,nodiscard,quota" [pid 5825] exit_group(0 [pid 5824] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5823] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5826] chdir("./file0" [pid 5825] <... exit_group resumed>) = ? [pid 5824] exit_group(0 [pid 5823] <... openat resumed>) = 3 [pid 5823] chdir("./file0" [pid 5824] <... exit_group resumed>) = ? [pid 5823] <... chdir resumed>) = 0 [pid 5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5826] <... chdir resumed>) = 0 [pid 5825] +++ exited with 0 +++ [pid 5824] +++ exited with 0 +++ [pid 5823] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5823] exit_group(0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=19 /* 0.19 s */} --- [pid 5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=20 /* 0.20 s */} --- [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5823] <... exit_group resumed>) = ? [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5818] restart_syscall(<... resuming interrupted clone ...> [pid 5819] <... restart_syscall resumed>) = 0 [pid 5818] <... restart_syscall resumed>) = 0 [pid 5826] exit_group(0) = ? [pid 5819] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5818] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] +++ exited with 0 +++ [pid 5819] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5818] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5819] <... openat resumed>) = 3 [pid 5818] <... openat resumed>) = 3 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=19 /* 0.19 s */} --- [pid 5819] newfstatat(3, "", [pid 5818] newfstatat(3, "", [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5819] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5818] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5823] +++ exited with 0 +++ [pid 5819] getdents64(3, [pid 5818] getdents64(3, [pid 5819] <... getdents64 resumed>0x5555902ec6f0 /* 4 entries */, 32768) = 112 [pid 5818] <... getdents64 resumed>0x5555902ec6f0 /* 4 entries */, 32768) = 112 [pid 5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5823, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=17 /* 0.17 s */} --- [pid 5819] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5818] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5817] restart_syscall(<... resuming interrupted clone ...> [pid 5821] <... restart_syscall resumed>) = 0 [pid 5819] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5817] <... restart_syscall resumed>) = 0 [pid 5819] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5818] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5827] <... mount resumed>) = 0 [pid 5819] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5818] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5819] unlink("./0/binderfs" [pid 5818] unlink("./0/binderfs" [pid 5817] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] <... unlink resumed>) = 0 [pid 5818] <... unlink resumed>) = 0 [pid 5817] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5821] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5817] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5818] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5817] <... openat resumed>) = 3 [pid 5827] <... openat resumed>) = 3 [pid 5821] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5817] newfstatat(3, "", [pid 5827] chdir("./file0" [pid 5821] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5819] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5817] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] <... chdir resumed>) = 0 [pid 5821] <... openat resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5821] newfstatat(3, "", [pid 5817] getdents64(3, [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5821] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5817] <... getdents64 resumed>0x5555902ec6f0 /* 4 entries */, 32768) = 112 [pid 5827] exit_group(0 [pid 5821] getdents64(3, [pid 5817] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5821] <... getdents64 resumed>0x5555902ec6f0 /* 4 entries */, 32768) = 112 [pid 5817] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5817] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5821] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5817] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5817] unlink("./0/binderfs" [pid 5821] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5821] unlink("./0/binderfs" [pid 5817] <... unlink resumed>) = 0 [pid 5821] <... unlink resumed>) = 0 [pid 5817] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5821] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] <... exit_group resumed>) = ? [pid 5827] +++ exited with 0 +++ [ 63.267448][ T5821] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI [ 63.280095][ T5821] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 63.288556][ T5821] CPU: 1 UID: 0 PID: 5821 Comm: syz-executor325 Not tainted 6.13.0-rc1-syzkaller-00337-g7503345ac5f5 #0 [ 63.299691][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.309786][ T5821] RIP: 0010:lmLogSync+0x228/0xae0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=20 /* 0.20 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5820] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5820] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5820] getdents64(3, 0x5555902ec6f0 /* 4 entries */, 32768) = 112 [pid 5820] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5820] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5820] unlink("./0/binderfs") = 0 [ 63.314843][ T5821] Code: a0 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 86 7a d0 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 69 7a d0 fe 48 8b 3b e8 c1 ea a0 [ 63.334459][ T5821] RSP: 0018:ffffc90003c6fa40 EFLAGS: 00010206 [ 63.340531][ T5821] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff8880330a8000 [ 63.348497][ T5821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.356467][ T5821] RBP: ffffc90003c6fb48 R08: ffffffff81d7a4de R09: 0000000000000000 [ 63.364429][ T5821] R10: ffffc90003c6f828 R11: fffff5200078df34 R12: ffff888027ee7800 [ 63.372410][ T5821] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88814ca9b438 [ 63.380387][ T5821] FS: 00005555902eb380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.389311][ T5821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.395885][ T5821] CR2: 000055ba028f9000 CR3: 000000007a5ca000 CR4: 00000000003526f0 [ 63.403850][ T5821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.411814][ T5821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.419773][ T5821] Call Trace: [ 63.423043][ T5821] [ 63.425964][ T5821] ? __die_body+0x5f/0xb0 [ 63.430288][ T5821] ? die_addr+0xb0/0xe0 [ 63.434432][ T5821] ? exc_general_protection+0x3dd/0x5d0 [ 63.439989][ T5821] ? asm_exc_general_protection+0x26/0x30 [ 63.445707][ T5821] ? filemap_flush+0x17e/0x260 [ 63.450465][ T5821] ? lmLogSync+0x228/0xae0 [ 63.454875][ T5821] ? __pfx_lmLogSync+0x10/0x10 [ 63.459633][ T5821] ? __pfx_dquot_writeback_dquots+0x10/0x10 [ 63.465516][ T5821] jfs_syncpt+0x7d/0xa0 [ 63.469665][ T5821] jfs_sync_fs+0x8a/0xa0 [ 63.473896][ T5821] sync_filesystem+0x1c8/0x230 [ 63.478696][ T5821] generic_shutdown_super+0x72/0x2d0 [ 63.483996][ T5821] kill_block_super+0x44/0x90 [ 63.488668][ T5821] deactivate_locked_super+0xc4/0x130 [ 63.494034][ T5821] cleanup_mnt+0x41f/0x4b0 [ 63.498450][ T5821] ? lockdep_hardirqs_on+0x99/0x150 [ 63.503645][ T5821] task_work_run+0x24f/0x310 [ 63.508230][ T5821] ? __pfx_task_work_run+0x10/0x10 [ 63.513343][ T5821] ? path_umount+0x284/0xf70 [ 63.517927][ T5821] ptrace_notify+0x2d2/0x380 [ 63.522517][ T5821] ? __pfx_ptrace_notify+0x10/0x10 [ 63.527640][ T5821] ? kmem_cache_free+0x195/0x410 [ 63.532593][ T5821] ? __x64_sys_umount+0x123/0x170 [ 63.537618][ T5821] syscall_exit_work+0xc7/0x1d0 [ 63.542466][ T5821] syscall_exit_to_user_mode+0x24a/0x340 [ 63.548096][ T5821] do_syscall_64+0x100/0x230 [ 63.552679][ T5821] ? clear_bhb_loop+0x35/0x90 [ 63.557348][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.563237][ T5821] RIP: 0033:0x7fe8632a66f7 [ 63.567680][ T5821] 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 [ 63.587291][ T5821] RSP: 002b:00007ffdcb9da878 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 63.595703][ T5821] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe8632a66f7 [ 63.603666][ T5821] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdcb9da930 [ 63.611626][ T5821] RBP: 00007ffdcb9da930 R08: 0000000000000000 R09: 0000000000000000 [ 63.619588][ T5821] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdcb9db9a0 [ 63.627551][ T5821] R13: 00005555902ec6c0 R14: 431bde82d7b634db R15: 00007ffdcb9db9c0 [ 63.635520][ T5821] [ 63.638527][ T5821] Modules linked in: [ 63.642603][ T5821] ---[ end trace 0000000000000000 ]--- [ 63.658810][ T5821] RIP: 0010:lmLogSync+0x228/0xae0 [ 63.665736][ T5821] Code: a0 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 86 7a d0 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 69 7a d0 fe 48 8b 3b e8 c1 ea a0 [ 63.685508][ T5821] RSP: 0018:ffffc90003c6fa40 EFLAGS: 00010206 [ 63.691640][ T5821] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff8880330a8000 [ 63.699653][ T5821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.707672][ T5821] RBP: ffffc90003c6fb48 R08: ffffffff81d7a4de R09: 0000000000000000 [ 63.715717][ T5821] R10: ffffc90003c6f828 R11: fffff5200078df34 R12: ffff888027ee7800 [ 63.723783][ T5821] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88814ca9b438 [ 63.731786][ T5821] FS: 00005555902eb380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.740749][ T5821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.747319][ T5821] CR2: 00005555902f46f8 CR3: 000000007a5ca000 CR4: 00000000003526f0 [ 63.755317][ T5821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.763351][ T5821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.771390][ T5821] Kernel panic - not syncing: Fatal exception [ 63.777715][ T5821] Kernel Offset: disabled [ 63.782030][ T5821] Rebooting in 86400 seconds..