./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3884571665 <...> Warning: Permanently added '10.128.1.46' (ECDSA) to the list of known hosts. execve("./syz-executor3884571665", ["./syz-executor3884571665"], 0x7ffdecec0d70 /* 10 vars */) = 0 brk(NULL) = 0x555556da6000 brk(0x555556da6c40) = 0x555556da6c40 arch_prctl(ARCH_SET_FS, 0x555556da6300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3884571665", 4096) = 28 brk(0x555556dc7c40) = 0x555556dc7c40 brk(0x555556dc8000) = 0x555556dc8000 mprotect(0x7fabbb9d4000, 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 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=0x555556da65d0) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setpgid(0, 0) = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1000", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] memfd_create("syzkaller", 0) = 3 [pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5066] 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 5066] munmap(0x7fabb3507000, 16777216) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5066] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5066] close(3) = 0 [pid 5066] mkdir("./file0", 0777) = 0 [ 52.245547][ T5066] loop0: detected capacity change from 0 to 32768 [ 52.259757][ T5066] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 52.267974][ T5066] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 52.280884][ T5066] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 52.289957][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 52.296962][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5066] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 52.337380][ T897] kworker/0:2: attempt to access beyond end of device [ 52.337380][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 52.353989][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 52.362312][ T5066] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5066] ioctl(4, LOOP_CLR_FD) = 0 [pid 5066] close(4) = 0 [pid 5066] exit_group(0) = ? [pid 5066] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=24 /* 0.24 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 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=0x555556da65d0) = 5068 ./strace-static-x86_64: Process 5068 attached [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setpgid(0, 0) = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1000", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] memfd_create("syzkaller", 0) = 3 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5068] 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 5068] munmap(0x7fabb3507000, 16777216) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5068] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5068] close(3) = 0 [pid 5068] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.699455][ T5068] loop0: detected capacity change from 0 to 32768 [ 52.712482][ T5068] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 52.720428][ T5068] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 52.729127][ T5068] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 52.737479][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 52.744076][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5068] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 52.783958][ T897] kworker/0:2: attempt to access beyond end of device [ 52.783958][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 52.800565][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 52.808263][ T5068] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5068] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] close(4) = 0 [pid 5068] exit_group(0) = ? [pid 5068] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=26 /* 0.26 s */} --- 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=0x555556da65d0) = 5069 ./strace-static-x86_64: Process 5069 attached [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setpgid(0, 0) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1000", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] memfd_create("syzkaller", 0) = 3 [pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5069] 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 5069] munmap(0x7fabb3507000, 16777216) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5069] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5069] close(3) = 0 [pid 5069] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 53.137298][ T5069] loop0: detected capacity change from 0 to 32768 [ 53.148682][ T5069] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 53.156795][ T5069] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 53.166200][ T5069] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 53.174591][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 53.181859][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5069] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 53.220656][ T897] kworker/0:2: attempt to access beyond end of device [ 53.220656][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 53.237195][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 53.243885][ T5069] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5069] ioctl(4, LOOP_CLR_FD) = 0 [pid 5069] close(4) = 0 [pid 5069] exit_group(0) = ? [pid 5069] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=22 /* 0.22 s */} --- 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 5070 attached , child_tidptr=0x555556da65d0) = 5070 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] memfd_create("syzkaller", 0) = 3 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5070] 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 5070] munmap(0x7fabb3507000, 16777216) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5070] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5070] close(3) = 0 [pid 5070] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 53.636978][ T5070] loop0: detected capacity change from 0 to 32768 [ 53.648067][ T5070] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 53.656105][ T5070] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 53.666783][ T5070] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 53.675952][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 53.682609][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5070] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 53.719615][ T897] kworker/0:2: attempt to access beyond end of device [ 53.719615][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 53.736997][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 53.742563][ T5070] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5070] ioctl(4, LOOP_CLR_FD) = 0 [pid 5070] close(4) = 0 [pid 5070] exit_group(0) = ? [pid 5070] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 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=0x555556da65d0) = 5071 ./strace-static-x86_64: Process 5071 attached [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] memfd_create("syzkaller", 0) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5071] 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 5071] munmap(0x7fabb3507000, 16777216) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5071] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5071] close(3) = 0 [pid 5071] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.102808][ T5071] loop0: detected capacity change from 0 to 32768 [ 54.113465][ T5071] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 54.121449][ T5071] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 54.130732][ T5071] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 54.138909][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 54.145646][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5071] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 54.184674][ T897] kworker/0:2: attempt to access beyond end of device [ 54.184674][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 54.201153][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 54.207017][ T5071] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5071] ioctl(4, LOOP_CLR_FD) = 0 [pid 5071] close(4) = 0 [pid 5071] exit_group(0) = ? [pid 5071] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 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=0x555556da65d0) = 5072 ./strace-static-x86_64: Process 5072 attached [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] memfd_create("syzkaller", 0) = 3 [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5072] 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 5072] munmap(0x7fabb3507000, 16777216) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5072] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5072] close(3) = 0 [pid 5072] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.550014][ T5072] loop0: detected capacity change from 0 to 32768 [ 54.561626][ T5072] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 54.569593][ T5072] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 54.579896][ T5072] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 54.588338][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 54.595038][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5072] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 54.628932][ T897] kworker/0:2: attempt to access beyond end of device [ 54.628932][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 54.645760][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 54.652513][ T5072] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5072] ioctl(4, LOOP_CLR_FD) = 0 [pid 5072] close(4) = 0 [pid 5072] exit_group(0) = ? [pid 5072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 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=0x555556da65d0) = 5073 ./strace-static-x86_64: Process 5073 attached [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setpgid(0, 0) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] memfd_create("syzkaller", 0) = 3 [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5073] 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 5073] munmap(0x7fabb3507000, 16777216) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5073] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5073] close(3) = 0 [pid 5073] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 55.010241][ T5073] loop0: detected capacity change from 0 to 32768 [ 55.020948][ T5073] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 55.028910][ T5073] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 55.039178][ T5073] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 55.047743][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 55.054344][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5073] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 55.088349][ T897] kworker/0:2: attempt to access beyond end of device [ 55.088349][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 55.104756][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 55.112628][ T5073] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5073] ioctl(4, LOOP_CLR_FD) = 0 [pid 5073] close(4) = 0 [pid 5073] exit_group(0) = ? [pid 5073] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=25 /* 0.25 s */} --- 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=0x555556da65d0) = 5074 ./strace-static-x86_64: Process 5074 attached [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] memfd_create("syzkaller", 0) = 3 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5074] 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 5074] munmap(0x7fabb3507000, 16777216) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5074] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5074] close(3) = 0 [pid 5074] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 55.475761][ T5074] loop0: detected capacity change from 0 to 32768 [ 55.485540][ T5074] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 55.493370][ T5074] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 55.503256][ T5074] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 55.511775][ T22] gfs2: fsid=loop0.0: jid=0, already locked for use [ 55.518476][ T22] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5074] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 55.557420][ T22] kworker/1:0: attempt to access beyond end of device [ 55.557420][ T22] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 55.573909][ T22] gfs2: fsid=loop0.0: jid=0: Failed [ 55.580353][ T5074] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5074] ioctl(4, LOOP_CLR_FD) = 0 [pid 5074] close(4) = 0 [pid 5074] exit_group(0) = ? [pid 5074] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 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=0x555556da65d0) = 5075 ./strace-static-x86_64: Process 5075 attached [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] memfd_create("syzkaller", 0) = 3 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5075] 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 5075] munmap(0x7fabb3507000, 16777216) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5075] close(3) = 0 [pid 5075] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 55.936362][ T5075] loop0: detected capacity change from 0 to 32768 [ 55.946665][ T5075] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 55.954739][ T5075] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 55.964689][ T5075] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 55.973305][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 55.980339][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5075] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 56.016974][ T897] kworker/0:2: attempt to access beyond end of device [ 56.016974][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 56.033741][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 56.039828][ T5075] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5075] ioctl(4, LOOP_CLR_FD) = 0 [pid 5075] close(4) = 0 [pid 5075] exit_group(0) = ? [pid 5075] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=22 /* 0.22 s */} --- 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=0x555556da65d0) = 5076 ./strace-static-x86_64: Process 5076 attached [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5076] setpgid(0, 0) = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] write(3, "1000", 4) = 4 [pid 5076] close(3) = 0 [pid 5076] memfd_create("syzkaller", 0) = 3 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5076] 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 5076] munmap(0x7fabb3507000, 16777216) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5076] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5076] close(3) = 0 [pid 5076] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 56.404018][ T5076] loop0: detected capacity change from 0 to 32768 [ 56.415260][ T5076] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 56.423268][ T5076] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 56.433570][ T5076] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 56.442175][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 56.448833][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5076] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 56.481877][ T897] kworker/0:2: attempt to access beyond end of device [ 56.481877][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 56.498303][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 56.505186][ T5076] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5076] ioctl(4, LOOP_CLR_FD) = 0 [pid 5076] close(4) = 0 [pid 5076] exit_group(0) = ? [pid 5076] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 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=0x555556da65d0) = 5077 ./strace-static-x86_64: Process 5077 attached [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setpgid(0, 0) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1000", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] memfd_create("syzkaller", 0) = 3 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5077] 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 5077] munmap(0x7fabb3507000, 16777216) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5077] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5077] close(3) = 0 [pid 5077] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 56.907270][ T5077] loop0: detected capacity change from 0 to 32768 [ 56.917548][ T5077] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 56.925635][ T5077] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 56.934585][ T5077] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 56.943271][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 56.950123][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5077] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 56.992349][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 56.999061][ T5077] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5077] ioctl(4, LOOP_CLR_FD) = 0 [pid 5077] close(4) = 0 [pid 5077] exit_group(0) = ? [pid 5077] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=25 /* 0.25 s */} --- 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=0x555556da65d0) = 5078 ./strace-static-x86_64: Process 5078 attached [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] setpgid(0, 0) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1000", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] memfd_create("syzkaller", 0) = 3 [pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5078] 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 5078] munmap(0x7fabb3507000, 16777216) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5078] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5078] close(3) = 0 [pid 5078] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.337908][ T5078] loop0: detected capacity change from 0 to 32768 [ 57.348676][ T5078] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 57.356579][ T5078] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 57.366478][ T5078] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 57.375135][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 57.381983][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5078] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 57.420552][ T897] bio_check_eod: 1 callbacks suppressed [ 57.420571][ T897] kworker/0:2: attempt to access beyond end of device [ 57.420571][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 57.442570][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 57.449314][ T5078] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5078] ioctl(4, LOOP_CLR_FD) = 0 [pid 5078] close(4) = 0 [pid 5078] exit_group(0) = ? [pid 5078] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=26 /* 0.26 s */} --- 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=0x555556da65d0) = 5079 ./strace-static-x86_64: Process 5079 attached [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setpgid(0, 0) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1000", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] memfd_create("syzkaller", 0) = 3 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5079] 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 5079] munmap(0x7fabb3507000, 16777216) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5079] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5079] close(3) = 0 [pid 5079] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.827403][ T5079] loop0: detected capacity change from 0 to 32768 [ 57.836898][ T5079] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 57.845028][ T5079] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 57.855863][ T5079] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 57.864498][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 57.871607][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5079] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 57.905185][ T897] kworker/0:2: attempt to access beyond end of device [ 57.905185][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 57.921791][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 57.927825][ T5079] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5079] ioctl(4, LOOP_CLR_FD) = 0 [pid 5079] close(4) = 0 [pid 5079] exit_group(0) = ? [pid 5079] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=23 /* 0.23 s */} --- 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=0x555556da65d0) = 5080 ./strace-static-x86_64: Process 5080 attached [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] setpgid(0, 0) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1000", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] memfd_create("syzkaller", 0) = 3 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5080] 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 5080] munmap(0x7fabb3507000, 16777216) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5080] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5080] close(3) = 0 [pid 5080] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 58.276747][ T5080] loop0: detected capacity change from 0 to 32768 [ 58.287667][ T5080] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 58.295855][ T5080] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 58.305768][ T5080] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 58.314167][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 58.320961][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5080] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 58.353251][ T897] kworker/0:2: attempt to access beyond end of device [ 58.353251][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 58.369632][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 58.376418][ T5080] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5080] ioctl(4, LOOP_CLR_FD) = 0 [pid 5080] close(4) = 0 [pid 5080] exit_group(0) = ? [pid 5080] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=19 /* 0.19 s */} --- 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=0x555556da65d0) = 5081 ./strace-static-x86_64: Process 5081 attached [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] memfd_create("syzkaller", 0) = 3 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5081] 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 5081] munmap(0x7fabb3507000, 16777216) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5081] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5081] close(3) = 0 [pid 5081] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 58.748791][ T5081] loop0: detected capacity change from 0 to 32768 [ 58.757775][ T5081] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 58.765889][ T5081] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 58.774747][ T5081] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 58.783426][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 58.790167][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5081] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 58.828888][ T897] kworker/0:2: attempt to access beyond end of device [ 58.828888][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 58.845510][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 58.850938][ T5081] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5081] ioctl(4, LOOP_CLR_FD) = 0 [pid 5081] close(4) = 0 [pid 5081] exit_group(0) = ? [pid 5081] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 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=0x555556da65d0) = 5082 ./strace-static-x86_64: Process 5082 attached [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5082] setpgid(0, 0) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] memfd_create("syzkaller", 0) = 3 [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5082] 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 5082] munmap(0x7fabb3507000, 16777216) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5082] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5082] close(3) = 0 [pid 5082] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 59.176601][ T5082] loop0: detected capacity change from 0 to 32768 [ 59.188176][ T5082] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 59.196066][ T5082] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 59.206362][ T5082] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 59.214852][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 59.221728][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5082] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 59.258512][ T897] kworker/0:2: attempt to access beyond end of device [ 59.258512][ T897] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 59.275367][ T897] gfs2: fsid=loop0.0: jid=0: Failed [ 59.281324][ T5082] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5082] ioctl(4, LOOP_CLR_FD) = 0 [pid 5082] close(4) = 0 [pid 5082] exit_group(0) = ? [pid 5082] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=25 /* 0.25 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 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 5083 attached , child_tidptr=0x555556da65d0) = 5083 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] memfd_create("syzkaller", 0) = 3 [pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabb3507000 [pid 5083] 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 5083] munmap(0x7fabb3507000, 16777216) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5083] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5083] close(3) = 0 [pid 5083] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 59.683181][ T5083] loop0: detected capacity change from 0 to 32768 [ 59.693705][ T5083] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 59.702034][ T5083] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 59.712417][ T5083] gfs2: fsid=loop0.0: journal 0 mapped with 5 extents in 0ms [ 59.721168][ T897] gfs2: fsid=loop0.0: jid=0, already locked for use [ 59.728205][ T897] gfs2: fsid=loop0.0: jid=0: Looking at journal... [ 59.765959][ T897] gfs2: fsid=loop0.0: jid=0: Journal head lookup took 37ms [ 59.774426][ T897] gfs2: fsid=loop0.0: jid=0: Done [ 59.779585][ T5083] gfs2: fsid=loop0.0: first mount done, others may mount [ 59.830774][ T5083] syz-executor388: attempt to access beyond end of device [ 59.830774][ T5083] loop0: rw=0, sector=507904, nr_sectors = 8 limit=32768 [ 59.860848][ T5083] gfs2: fsid=loop0.0: can't make FS RW: -5 [pid 5083] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir," [pid 5065] kill(-5083, SIGKILL) = 0 [pid 5065] kill(5083, SIGKILL) = 0 [pid 5065] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5065] getdents64(3, 0x555556da7620 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(3, 0x555556da7620 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [ 76.376932][ T26] cfg80211: failed to load regulatory.db [ 286.295596][ T28] INFO: task kworker/0:1H:990 blocked for more than 143 seconds. [ 286.303419][ T28] Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 [ 286.311040][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.320040][ T28] task:kworker/0:1H state:D stack:23448 pid:990 ppid:2 flags:0x00004000 [ 286.329322][ T28] Workqueue: glock_workqueue glock_work_func [ 286.335623][ T28] Call Trace: [ 286.338904][ T28] [ 286.341832][ T28] __schedule+0x995/0xe20 [ 286.346413][ T28] ? release_firmware_map_entry+0x180/0x180 [ 286.352331][ T28] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 286.358438][ T28] ? print_irqtrace_events+0x220/0x220 [ 286.363921][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.370091][ T28] ? lockdep_hardirqs_on+0x8d/0x130 [ 286.375805][ T28] schedule+0xcb/0x190 [ 286.379864][ T28] rwsem_down_write_slowpath+0xfc1/0x1480 [ 286.385670][ T28] ? rwsem_down_read_slowpath+0x930/0x930 [ 286.391406][ T28] ? read_lock_is_recursive+0x10/0x10 [ 286.396825][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 286.402863][ T28] ? mark_lock+0x9a/0x350 [ 286.407273][ T28] ? do_xmote+0x325/0x13d0 [ 286.411700][ T28] down_write+0x231/0x270 [ 286.416088][ T28] ? down_read_killable+0x80/0x80 [ 286.421118][ T28] ? do_xmote+0x325/0x13d0 [ 286.425598][ T28] ? __lock_acquire+0x1f60/0x1f60 [ 286.430629][ T28] freeze_super+0x45/0x420 [ 286.435082][ T28] freeze_go_sync+0x178/0x340 [ 286.439802][ T28] do_xmote+0x34d/0x13d0 [ 286.444065][ T28] glock_work_func+0x2c2/0x450 [ 286.448895][ T28] process_one_work+0x877/0xdb0 [ 286.453829][ T28] ? worker_detach_from_pool+0x260/0x260 [ 286.459506][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 286.464560][ T28] ? _raw_spin_lock_irqsave+0x100/0x100 [ 286.470227][ T28] worker_thread+0xb14/0x1330 [ 286.474942][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 286.480955][ T28] kthread+0x266/0x300 [ 286.485172][ T28] ? rcu_lock_release+0x20/0x20 [ 286.490100][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.494701][ T28] ret_from_fork+0x1f/0x30 [ 286.499318][ T28] [ 286.502757][ T28] INFO: task syz-executor388:5083 blocked for more than 143 seconds. [ 286.510927][ T28] Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 [ 286.518536][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.527310][ T28] task:syz-executor388 state:D stack:20872 pid:5083 ppid:5065 flags:0x00004004 [ 286.536603][ T28] Call Trace: [ 286.539874][ T28] [ 286.542795][ T28] __schedule+0x995/0xe20 [ 286.547392][ T28] ? release_firmware_map_entry+0x180/0x180 [ 286.553307][ T28] ? register_lock_class+0xc2/0x930 [ 286.558587][ T28] ? do_wait_for_common+0x3e0/0x560 [ 286.563804][ T28] schedule+0xcb/0x190 [ 286.569081][ T28] schedule_timeout+0x98/0x2f0 [ 286.573863][ T28] ? console_conditional_schedule+0x40/0x40 [ 286.579796][ T28] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 286.585829][ T28] ? print_irqtrace_events+0x220/0x220 [ 286.591287][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 286.596564][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.601820][ T28] ? lockdep_hardirqs_on+0x8d/0x130 [ 286.607147][ T28] do_wait_for_common+0x3ea/0x560 [ 286.612219][ T28] ? console_conditional_schedule+0x40/0x40 [ 286.618189][ T28] ? bit_wait_io_timeout+0x110/0x110 [ 286.623497][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 286.628621][ T28] ? _raw_spin_lock_irqsave+0x100/0x100 [ 286.634185][ T28] ? flush_workqueue_prep_pwqs+0x458/0x4c0 [ 286.640060][ T28] wait_for_completion+0x46/0x60 [ 286.645008][ T28] __flush_workqueue+0x74a/0x1680 [ 286.650114][ T28] ? rcu_work_rcufn+0x120/0x120 [ 286.654979][ T28] ? glock_hash_walk+0x172/0x1c0 [ 286.659995][ T28] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 286.666052][ T28] gfs2_gl_hash_clear+0xbe/0x300 [ 286.671769][ T28] ? withdraw_dq+0x240/0x240 [ 286.676396][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 286.682305][ T28] ? _raw_spin_unlock+0x40/0x40 [ 286.687221][ T28] ? complete_all+0x29/0x1e0 [ 286.691837][ T28] ? init_locking+0x99/0x220 [ 286.696586][ T28] gfs2_fill_super+0x2202/0x2700 [ 286.701552][ T28] ? gfs2_reconfigure+0xce0/0xce0 [ 286.706647][ T28] ? ptr_to_hashval+0x70/0x70 [ 286.711355][ T28] ? up_write+0x19a/0x580 [ 286.715934][ T28] ? sb_set_blocksize+0x95/0xf0 [ 286.720863][ T28] get_tree_bdev+0x400/0x620 [ 286.725578][ T28] ? gfs2_reconfigure+0xce0/0xce0 [ 286.730621][ T28] gfs2_get_tree+0x50/0x210 [ 286.735145][ T28] ? bpf_lsm_capable+0x5/0x10 [ 286.739958][ T28] vfs_get_tree+0x88/0x270 [ 286.744389][ T28] do_new_mount+0x289/0xad0 [ 286.749002][ T28] ? do_move_mount_old+0x150/0x150 [ 286.754123][ T28] ? user_path_at_empty+0x149/0x1a0 [ 286.759378][ T28] __se_sys_mount+0x2d3/0x3c0 [ 286.764068][ T28] ? __x64_sys_mount+0xc0/0xc0 [ 286.768898][ T28] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 286.774895][ T28] ? __x64_sys_mount+0x1c/0xc0 [ 286.779855][ T28] do_syscall_64+0x3d/0xb0 [ 286.784298][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.790333][ T28] RIP: 0033:0x7fabbb95559a [ 286.794753][ T28] RSP: 002b:00007ffe4984d2e8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 286.803216][ T28] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fabbb95559a [ 286.811434][ T28] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffe4984d300 [ 286.820180][ T28] RBP: 00007ffe4984d300 R08: 00007ffe4984d340 R09: 0000000000000002 [ 286.828205][ T28] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 286.836227][ T28] R13: 0000555556da62c0 R14: 0000000000000000 R15: 00007ffe4984d340 [ 286.844215][ T28] [ 286.847324][ T28] [ 286.847324][ T28] Showing all locks held in the system: [ 286.855050][ T28] 4 locks held by kworker/u4:0/9: [ 286.860180][ T28] 1 lock held by rcu_tasks_kthre/12: [ 286.865552][ T28] #0: ffffffff8d326f50 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 286.876342][ T28] 1 lock held by rcu_tasks_trace/13: [ 286.881633][ T28] #0: ffffffff8d327750 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 286.892777][ T28] 1 lock held by khungtaskd/28: [ 286.897700][ T28] #0: ffffffff8d326d80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.907090][ T28] 3 locks held by kworker/0:1H/990: [ 286.912286][ T28] #0: ffff8880197fc538 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 [ 286.923423][ T28] #1: ffffc90004d77d00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 [ 286.935525][ T28] #2: ffff888076e060e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: freeze_super+0x45/0x420 [ 286.945508][ T28] 2 locks held by getty/4743: [ 286.950186][ T28] #0: ffff88814a6d2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.960129][ T28] #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 [ 286.970345][ T28] 1 lock held by syz-executor388/5083: [ 286.975862][ T28] #0: ffff888076e060e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 [ 286.986073][ T28] [ 286.988398][ T28] ============================================= [ 286.988398][ T28] [ 286.996909][ T28] NMI backtrace for cpu 0 [ 287.001242][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 [ 287.011143][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 287.021218][ T28] Call Trace: [ 287.024499][ T28] [ 287.027424][ T28] dump_stack_lvl+0x1b1/0x290 [ 287.032109][ T28] ? nf_tcp_handle_invalid+0x630/0x630 [ 287.037655][ T28] ? panic+0x710/0x710 [ 287.041896][ T28] ? nmi_cpu_backtrace+0x205/0x4f0 [ 287.047027][ T28] nmi_cpu_backtrace+0x46f/0x4f0 [ 287.051960][ T28] ? vprintk_emit+0x109/0x1e0 [ 287.056648][ T28] ? nmi_trigger_cpumask_backtrace+0x420/0x420 [ 287.062994][ T28] ? _printk+0xc0/0x100 [ 287.067161][ T28] ? panic+0x710/0x710 [ 287.071233][ T28] ? __wake_up_klogd+0xcd/0x100 [ 287.076089][ T28] ? panic+0x710/0x710 [ 287.080168][ T28] ? nmi_trigger_cpumask_backtrace+0xc9/0x420 [ 287.086246][ T28] nmi_trigger_cpumask_backtrace+0x1ba/0x420 [ 287.092233][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.098351][ T28] watchdog+0xcd5/0xd20 [ 287.102932][ T28] kthread+0x266/0x300 [ 287.107003][ T28] ? hungtask_pm_notify+0x50/0x50 [ 287.112025][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.116618][ T28] ret_from_fork+0x1f/0x30 [ 287.121043][ T28] [ 287.124181][ T28] Sending NMI from CPU 0 to CPUs 1: [ 287.129433][ C1] NMI backtrace for cpu 1 [ 287.129441][ C1] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 [ 287.129455][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 287.129462][ C1] Workqueue: 0x0 (events_unbound) [ 287.129480][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 [ 287.129501][ C1] Code: 00 00 00 00 66 90 53 48 89 fb e8 17 00 00 00 48 8b 3d 78 90 0a 0d 48 89 de 5b e9 97 d3 54 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0c 25 40 98 03 00 65 8b 15 c4 bc 77 7e f7 c2 00 01 ff 00 [ 287.129511][ C1] RSP: 0018:ffffc900000e7d78 EFLAGS: 00000082 [ 287.129521][ C1] RAX: ffffffff815b5b60 RBX: dffffc0000000000 RCX: ffff88813fee8000 [ 287.129531][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: ffff8880129d4a00 [ 287.129539][ C1] RBP: ffff8880129d4a00 R08: ffffffff815b5702 R09: ffff8880129d4a10 [ 287.129548][ C1] R10: ffffed100253a945 R11: 1ffff1100253a942 R12: dffffc0000000000 [ 287.129558][ C1] R13: ffff888012879850 R14: ffff8880129d4a30 R15: ffff888012879860 [ 287.129567][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 287.129578][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.129587][ C1] CR2: 000055ac61fd7000 CR3: 000000000d08e000 CR4: 00000000003506e0 [ 287.129598][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.129606][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.129614][ C1] Call Trace: [ 287.129619][ C1] [ 287.129623][ C1] worker_enter_idle+0x20/0x510 [ 287.129644][ C1] worker_thread+0xf55/0x1330 [ 287.129674][ C1] kthread+0x266/0x300 [ 287.129687][ C1] ? rcu_lock_release+0x20/0x20 [ 287.129703][ C1] ? kthread_blkcg+0xd0/0xd0 [ 287.129717][ C1] ret_from_fork+0x1f/0x30 [ 287.129740][ C1] [ 287.130470][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 287.317962][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 [ 287.327759][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 287.338006][ T28] Call Trace: [ 287.341281][ T28] [ 287.344213][ T28] dump_stack_lvl+0x1b1/0x290 [ 287.348895][ T28] ? nf_tcp_handle_invalid+0x630/0x630 [ 287.354442][ T28] ? panic+0x710/0x710 [ 287.358515][ T28] ? vscnprintf+0x59/0x80 [ 287.362842][ T28] panic+0x2d6/0x710 [ 287.366732][ T28] ? schedule_preempt_disabled+0x20/0x20 [ 287.372359][ T28] ? nmi_trigger_cpumask_backtrace+0x2d0/0x420 [ 287.378515][ T28] ? memcpy_page_flushcache+0x100/0x100 [ 287.384152][ T28] ? nmi_trigger_cpumask_backtrace+0x2d0/0x420 [ 287.390302][ T28] ? nmi_trigger_cpumask_backtrace+0x34e/0x420 [ 287.396457][ T28] ? nmi_trigger_cpumask_backtrace+0x353/0x420 [ 287.402613][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.408678][ T28] watchdog+0xd15/0xd20 [ 287.412845][ T28] kthread+0x266/0x300 [ 287.416913][ T28] ? hungtask_pm_notify+0x50/0x50 [ 287.421936][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.426616][ T28] ret_from_fork+0x1f/0x30 [ 287.431043][ T28] [ 287.434220][ T28] Kernel Offset: disabled [ 287.438564][ T28] Rebooting in 86400 seconds..