./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor970871114 <...> forked to background, child pid 4646 [ 30.742322][ T4647] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.752785][ T4647] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 31.148774][ T4737] sshd (4737) used greatest stack depth: 16368 bytes left OK syzkaller Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. execve("./syz-executor970871114", ["./syz-executor970871114"], 0x7ffd9e0a7850 /* 10 vars */) = 0 brk(NULL) = 0x555556c62000 brk(0x555556c62c40) = 0x555556c62c40 arch_prctl(ARCH_SET_FS, 0x555556c62300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor970871114", 4096) = 27 brk(0x555556c83c40) = 0x555556c83c40 brk(0x555556c84000) = 0x555556c84000 mprotect(0x7ff468672000, 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=0x555556c625d0) = 5070 ./strace-static-x86_64: Process 5070 attached [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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) = 0 syzkaller login: [ 54.423243][ T5070] loop0: detected capacity change from 0 to 32768 [ 54.439048][ T5070] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 54.447383][ T5070] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 54.460842][ T5070] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 54.470417][ T2551] gfs2: fsid=loop0.0: jid=0, already locked for use [ 54.477533][ T2551] 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) [ 54.516545][ T2551] kworker/1:2: attempt to access beyond end of device [ 54.516545][ T2551] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 54.535434][ T2551] gfs2: fsid=loop0.0: jid=0: Failed [ 54.542567][ 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=7 /* 0.07 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=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 54.930222][ T5072] loop0: detected capacity change from 0 to 32768 [ 54.941256][ T5072] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 54.949234][ T5072] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 54.960024][ T5072] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 54.968835][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 54.975764][ T4770] 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) [ 55.010267][ T4770] kworker/0:4: attempt to access beyond end of device [ 55.010267][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 55.029156][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 55.036381][ 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=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=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 55.378677][ T5073] loop0: detected capacity change from 0 to 32768 [ 55.389564][ T5073] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 55.397714][ T5073] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 55.408051][ T5073] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 55.416515][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 55.423128][ T4770] 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) [ 55.454311][ T4770] kworker/0:4: attempt to access beyond end of device [ 55.454311][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 55.472707][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 55.478162][ 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=5 /* 0.05 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=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 55.846198][ T5074] loop0: detected capacity change from 0 to 32768 [ 55.855818][ T5074] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 55.863751][ T5074] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 55.873291][ T5074] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 55.881620][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 55.888527][ T4770] 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) [ 55.925250][ T4770] kworker/0:4: attempt to access beyond end of device [ 55.925250][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 55.943724][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 55.949147][ 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=21 /* 0.21 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=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 56.316947][ T5075] loop0: detected capacity change from 0 to 32768 [ 56.327751][ T5075] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 56.335740][ T5075] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 56.345740][ T5075] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 56.354237][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 56.361467][ T4770] 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) [ 56.392169][ T4770] kworker/0:4: attempt to access beyond end of device [ 56.392169][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 56.410515][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 56.416773][ 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=1 /* 0.01 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, child_tidptr=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 56.793949][ T5076] loop0: detected capacity change from 0 to 32768 [ 56.804477][ T5076] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 56.812477][ T5076] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 56.822455][ T5076] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 56.831330][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 56.838144][ T4770] 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) [ 56.872352][ T4770] kworker/0:4: attempt to access beyond end of device [ 56.872352][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 56.890618][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 56.896073][ 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=4 /* 0.04 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=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 57.246611][ T5077] loop0: detected capacity change from 0 to 32768 [ 57.257319][ T5077] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 57.265203][ T5077] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 57.275121][ T5077] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 57.283539][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 57.290424][ T4770] 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) [ 57.327152][ T4770] kworker/0:4: attempt to access beyond end of device [ 57.327152][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 57.345961][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 57.351829][ 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=4 /* 0.04 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./strace-static-x86_64: Process 5078 attached , child_tidptr=0x555556c625d0) = 5078 [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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 57.743025][ T5078] loop0: detected capacity change from 0 to 32768 [ 57.754045][ T5078] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 57.761958][ T5078] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 57.771477][ T5078] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 57.780192][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 57.787027][ T4770] 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) [ 57.821499][ T4770] kworker/0:4: attempt to access beyond end of device [ 57.821499][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 57.839118][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 57.846132][ 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=3 /* 0.03 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./strace-static-x86_64: Process 5079 attached , child_tidptr=0x555556c625d0) = 5079 [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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 58.205745][ T5079] loop0: detected capacity change from 0 to 32768 [ 58.216039][ T5079] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 58.223863][ T5079] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 58.234682][ T5079] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 58.243101][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 58.249863][ T4770] 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) [ 58.288897][ T4770] kworker/0:4: attempt to access beyond end of device [ 58.288897][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 58.306727][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 58.313361][ 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=2 /* 0.02 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=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 58.655227][ T5080] loop0: detected capacity change from 0 to 32768 [ 58.665831][ T5080] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 58.674264][ T5080] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 58.683329][ T5080] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 58.691595][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 58.698281][ T4770] 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) [ 58.735349][ T4770] kworker/0:4: attempt to access beyond end of device [ 58.735349][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 58.753504][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 58.758998][ 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=2 /* 0.02 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=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 59.116742][ T5081] loop0: detected capacity change from 0 to 32768 [ 59.126200][ T5081] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 59.134361][ T5081] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 59.144645][ T5081] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 59.153208][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 59.160180][ T4770] 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) [ 59.199051][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 59.205281][ 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=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, child_tidptr=0x555556c625d0) = 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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 59.555231][ T5082] loop0: detected capacity change from 0 to 32768 [ 59.566113][ T5082] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 59.574024][ T5082] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 59.584369][ T5082] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 59.592878][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 59.599571][ T4770] 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) [ 59.631075][ T4770] bio_check_eod: 1 callbacks suppressed [ 59.631093][ T4770] kworker/0:4: attempt to access beyond end of device [ 59.631093][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 59.653329][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 59.658837][ 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=2 /* 0.02 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=0x555556c625d0) = 5083 ./strace-static-x86_64: Process 5083 attached [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) = 0x7ff4601a5000 [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(0x7ff4601a5000, 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) [ 60.044045][ T5083] loop0: detected capacity change from 0 to 32768 [ 60.053204][ T5083] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 60.061278][ T5083] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 60.071494][ T5083] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 60.080340][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 60.087052][ T4770] gfs2: fsid=loop0.0: jid=0: Looking at journal... [pid 5083] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = -1 EIO (Input/output error) [ 60.118380][ T4770] kworker/0:4: attempt to access beyond end of device [ 60.118380][ T4770] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 60.137687][ T4770] gfs2: fsid=loop0.0: jid=0: Failed [ 60.143203][ T5083] gfs2: fsid=loop0.0: error recovering journal 0: -5 [pid 5083] ioctl(4, LOOP_CLR_FD) = 0 [pid 5083] close(4) = 0 [pid 5083] exit_group(0) = ? [pid 5083] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=1 /* 0.01 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=0x555556c625d0) = 5084 ./strace-static-x86_64: Process 5084 attached [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] memfd_create("syzkaller", 0) = 3 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4601a5000 [pid 5084] 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 5084] munmap(0x7ff4601a5000, 16777216) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5084] close(3) = 0 [pid 5084] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 60.498240][ T5084] loop0: detected capacity change from 0 to 32768 [ 60.508327][ T5084] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 60.516548][ T5084] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 60.526177][ T5084] gfs2: fsid=loop0.0: journal 0 mapped with 7 extents in 0ms [ 60.535262][ T4770] gfs2: fsid=loop0.0: jid=0, already locked for use [ 60.541930][ T4770] gfs2: fsid=loop0.0: jid=0: Looking at journal... [ 60.578598][ T4770] gfs2: fsid=loop0.0: jid=0: Journal head lookup took 36ms [ 60.586437][ T4770] gfs2: fsid=loop0.0: jid=0: Done [ 60.591563][ T5084] gfs2: fsid=loop0.0: first mount done, others may mount [ 60.644061][ T5084] syz-executor970: attempt to access beyond end of device [ 60.644061][ T5084] loop0: rw=0, sector=805306368, nr_sectors = 8 limit=32768 [ 60.679881][ T5084] gfs2: fsid=loop0.0: can't make FS RW: -5 [pid 5084] mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir," [pid 5069] kill(-5084, SIGKILL) = 0 [pid 5069] kill(5084, SIGKILL) = 0 [pid 5069] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5069] getdents64(3, 0x555556c63620 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(3, 0x555556c63620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [ 76.275986][ T897] cfg80211: failed to load regulatory.db [ 286.194687][ T28] INFO: task kworker/0:1H:52 blocked for more than 143 seconds. [ 286.202430][ T28] Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0 [ 286.209707][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.218501][ T28] task:kworker/0:1H state:D stack:22648 pid:52 ppid:2 flags:0x00004000 [ 286.227853][ T28] Workqueue: glock_workqueue glock_work_func [ 286.233988][ T28] Call Trace: [ 286.237321][ T28] [ 286.240264][ T28] __schedule+0x995/0xe20 [ 286.244854][ T28] ? release_firmware_map_entry+0x180/0x180 [ 286.250773][ T28] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 286.256821][ T28] ? print_irqtrace_events+0x220/0x220 [ 286.262291][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.267549][ T28] ? lockdep_hardirqs_on+0x8d/0x130 [ 286.272787][ T28] schedule+0xcb/0x190 [ 286.276917][ T28] rwsem_down_write_slowpath+0xfc1/0x1480 [ 286.282664][ T28] ? rwsem_down_read_slowpath+0x930/0x930 [ 286.288458][ T28] ? read_lock_is_recursive+0x10/0x10 [ 286.293843][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 286.299920][ T28] ? mark_lock+0x9a/0x350 [ 286.304264][ T28] ? do_xmote+0x325/0x13d0 [ 286.308758][ T28] down_write+0x231/0x270 [ 286.313115][ T28] ? down_read_killable+0x80/0x80 [ 286.318204][ T28] ? do_xmote+0x325/0x13d0 [ 286.322638][ T28] ? __lock_acquire+0x1f60/0x1f60 [ 286.327742][ T28] freeze_super+0x45/0x420 [ 286.332229][ T28] freeze_go_sync+0x178/0x340 [ 286.336956][ T28] do_xmote+0x34d/0x13d0 [ 286.341213][ T28] glock_work_func+0x2c2/0x450 [ 286.346048][ T28] process_one_work+0x877/0xdb0 [ 286.350997][ T28] ? worker_detach_from_pool+0x260/0x260 [ 286.356667][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 286.361705][ T28] ? _raw_spin_lock_irqsave+0x100/0x100 [ 286.367324][ T28] worker_thread+0xb14/0x1330 [ 286.372024][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 286.377990][ T28] kthread+0x266/0x300 [ 286.382062][ T28] ? rcu_lock_release+0x20/0x20 [ 286.386972][ T28] ? kthread_blkcg+0xd0/0xd0 [ 286.391568][ T28] ret_from_fork+0x1f/0x30 [ 286.396136][ T28] [ 286.399249][ T28] INFO: task syz-executor970:5084 blocked for more than 143 seconds. [ 286.407402][ T28] Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0 [ 286.414655][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.423319][ T28] task:syz-executor970 state:D stack:20832 pid:5084 ppid:5069 flags:0x00004004 [ 286.432584][ T28] Call Trace: [ 286.435918][ T28] [ 286.438855][ T28] __schedule+0x995/0xe20 [ 286.443180][ T28] ? release_firmware_map_entry+0x180/0x180 [ 286.449126][ T28] ? register_lock_class+0xc2/0x930 [ 286.454356][ T28] ? do_wait_for_common+0x3e0/0x560 [ 286.459624][ T28] schedule+0xcb/0x190 [ 286.463701][ T28] schedule_timeout+0x98/0x2f0 [ 286.468545][ T28] ? console_conditional_schedule+0x40/0x40 [ 286.474444][ T28] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 286.480468][ T28] ? print_irqtrace_events+0x220/0x220 [ 286.486002][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 286.491266][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.496529][ T28] ? lockdep_hardirqs_on+0x8d/0x130 [ 286.501736][ T28] do_wait_for_common+0x3ea/0x560 [ 286.506887][ T28] ? console_conditional_schedule+0x40/0x40 [ 286.512805][ T28] ? bit_wait_io_timeout+0x110/0x110 [ 286.518158][ T28] ? _raw_spin_lock_irq+0xba/0xf0 [ 286.523204][ T28] ? _raw_spin_lock_irqsave+0x100/0x100 [ 286.528844][ T28] ? flush_workqueue_prep_pwqs+0x458/0x4c0 [ 286.534694][ T28] wait_for_completion+0x46/0x60 [ 286.539621][ T28] __flush_workqueue+0x74a/0x1680 [ 286.544718][ T28] ? rcu_work_rcufn+0x120/0x120 [ 286.549574][ T28] ? glock_hash_walk+0x172/0x1c0 [ 286.554616][ T28] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 286.560662][ T28] gfs2_gl_hash_clear+0xbe/0x300 [ 286.565698][ T28] ? withdraw_dq+0x240/0x240 [ 286.570329][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 286.576309][ T28] ? _raw_spin_unlock+0x40/0x40 [ 286.581182][ T28] ? complete_all+0x29/0x1e0 [ 286.585892][ T28] ? init_locking+0x99/0x220 [ 286.590505][ T28] gfs2_fill_super+0x2202/0x2700 [ 286.595500][ T28] ? gfs2_reconfigure+0xce0/0xce0 [ 286.600531][ T28] ? ptr_to_hashval+0x70/0x70 [ 286.605282][ T28] ? up_write+0x19a/0x580 [ 286.609630][ T28] ? sb_set_blocksize+0x95/0xf0 [ 286.614590][ T28] get_tree_bdev+0x400/0x620 [ 286.619233][ T28] ? gfs2_reconfigure+0xce0/0xce0 [ 286.624254][ T28] gfs2_get_tree+0x50/0x210 [ 286.628895][ T28] ? bpf_lsm_capable+0x5/0x10 [ 286.633643][ T28] vfs_get_tree+0x88/0x270 [ 286.638202][ T28] do_new_mount+0x289/0xad0 [ 286.642738][ T28] ? do_move_mount_old+0x150/0x150 [ 286.647926][ T28] ? user_path_at_empty+0x149/0x1a0 [ 286.653190][ T28] __se_sys_mount+0x2d3/0x3c0 [ 286.657928][ T28] ? __x64_sys_mount+0xc0/0xc0 [ 286.662707][ T28] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 286.668753][ T28] ? __x64_sys_mount+0x1c/0xc0 [ 286.673533][ T28] do_syscall_64+0x3d/0xb0 [ 286.678076][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.684090][ T28] RIP: 0033:0x7ff4685f359a [ 286.688599][ T28] RSP: 002b:00007fff6125d7b8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 286.697102][ T28] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff4685f359a [ 286.705170][ T28] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fff6125d7d0 [ 286.713159][ T28] RBP: 00007fff6125d7d0 R08: 00007fff6125d810 R09: 0000000000000002 [ 286.721185][ T28] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 286.729282][ T28] R13: 0000555556c622c0 R14: 0000000000000000 R15: 00007fff6125d810 [ 286.737317][ T28] [ 286.740346][ T28] [ 286.740346][ T28] Showing all locks held in the system: [ 286.748124][ T28] 1 lock held by rcu_tasks_kthre/12: [ 286.753409][ T28] #0: ffffffff8d326e90 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 286.763894][ T28] 1 lock held by rcu_tasks_trace/13: [ 286.769257][ T28] #0: ffffffff8d327690 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 286.780255][ T28] 1 lock held by khungtaskd/28: [ 286.785140][ T28] #0: ffffffff8d326cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.794439][ T28] 3 locks held by kworker/0:1H/52: [ 286.799572][ T28] #0: ffff88801bd39d38 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0 [ 286.810718][ T28] #1: ffffc90000bd7d00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 [ 286.822696][ T28] #2: ffff88807e6ca0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: freeze_super+0x45/0x420 [ 286.832776][ T28] 2 locks held by getty/4745: [ 286.837535][ T28] #0: ffff88802c82b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.847465][ T28] #1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 [ 286.857607][ T28] 1 lock held by syz-executor970/5084: [ 286.863061][ T28] #0: ffff88807e6ca0e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 [ 286.873234][ T28] [ 286.875584][ T28] ============================================= [ 286.875584][ T28] [ 286.883974][ T28] NMI backtrace for cpu 1 [ 286.888283][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0 [ 286.897732][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 286.907773][ T28] Call Trace: [ 286.911038][ T28] [ 286.913957][ T28] dump_stack_lvl+0x1b1/0x290 [ 286.918643][ T28] ? nf_tcp_handle_invalid+0x630/0x630 [ 286.924110][ T28] ? panic+0x710/0x710 [ 286.928173][ T28] ? nmi_cpu_backtrace+0x205/0x4f0 [ 286.933337][ T28] nmi_cpu_backtrace+0x46f/0x4f0 [ 286.938283][ T28] ? vprintk_emit+0x109/0x1e0 [ 286.942972][ T28] ? nmi_trigger_cpumask_backtrace+0x420/0x420 [ 286.949125][ T28] ? _printk+0xc0/0x100 [ 286.953273][ T28] ? panic+0x710/0x710 [ 286.957336][ T28] ? __wake_up_klogd+0xcd/0x100 [ 286.962184][ T28] ? panic+0x710/0x710 [ 286.966246][ T28] ? nmi_trigger_cpumask_backtrace+0xc9/0x420 [ 286.972312][ T28] nmi_trigger_cpumask_backtrace+0x1ba/0x420 [ 286.978289][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.984407][ T28] watchdog+0xcd5/0xd20 [ 286.988612][ T28] kthread+0x266/0x300 [ 286.992672][ T28] ? hungtask_pm_notify+0x50/0x50 [ 286.997696][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.002279][ T28] ret_from_fork+0x1f/0x30 [ 287.006703][ T28] [ 287.009820][ T28] Sending NMI from CPU 1 to CPUs 0: [ 287.015077][ C0] NMI backtrace for cpu 0 [ 287.015085][ C0] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0 [ 287.015099][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 287.015107][ C0] Workqueue: events_unbound toggle_allocation_gate [ 287.015160][ C0] RIP: 0010:x2apic_send_IPI+0x76/0xd0 [ 287.015195][ C0] Code: d8 48 c1 e8 03 42 8a 04 38 84 c0 75 26 0f b7 13 0f ae f0 0f ae e8 41 83 fe 02 b8 00 04 00 00 41 0f 45 c6 b9 30 08 00 00 0f 30 <66> 90 5b 41 5e 41 5f 5d c3 89 d9 80 e1 07 fe c1 38 c1 7c cf 48 89 [ 287.015205][ C0] RSP: 0018:ffffc900000e7718 EFLAGS: 00000206 [ 287.015216][ C0] RAX: 00000000000000fb RBX: ffff8880b99219a0 RCX: 0000000000000830 [ 287.015224][ C0] RDX: 0000000000000001 RSI: 00000000000000fb RDI: 0000000000000001 [ 287.015232][ C0] RBP: ffffffff8ce24828 R08: ffffffff8180a37a R09: ffffed1017307653 [ 287.015242][ C0] R10: ffffed1017307653 R11: 1ffff11017307652 R12: ffff888012a61d40 [ 287.015251][ C0] R13: dffffc0000000000 R14: 00000000000000fb R15: dffffc0000000000 [ 287.015260][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 287.015271][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.015280][ C0] CR2: 0000556aa9ba0600 CR3: 000000000d08e000 CR4: 00000000003506f0 [ 287.015291][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.015299][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.015307][ C0] Call Trace: [ 287.015311][ C0] [ 287.015317][ C0] send_call_function_single_ipi+0x17f/0x1e0 [ 287.015353][ C0] ? ttwu_do_activate+0x2b0/0x2b0 [ 287.015369][ C0] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 287.015384][ C0] ? __bitmap_and+0x2f0/0x310 [ 287.015434][ C0] ? _find_next_and_bit+0x16f/0x190 [ 287.015447][ C0] ? _find_next_bit+0x134/0x140 [ 287.015461][ C0] smp_call_function_many_cond+0xbb2/0x13d0 [ 287.015509][ C0] ? text_poke_sync+0x20/0x20 [ 287.015539][ C0] ? smp_call_function_many+0x30/0x30 [ 287.015554][ C0] ? perf_event_text_poke+0x233/0x310 [ 287.015592][ C0] ? perf_event_bpf_output+0x220/0x220 [ 287.015610][ C0] ? trace_contention_end+0x72/0x1d0 [ 287.015623][ C0] ? preempt_schedule_thunk+0x16/0x20 [ 287.015641][ C0] ? text_poke_sync+0x20/0x20 [ 287.015656][ C0] on_each_cpu_cond_mask+0x3b/0x80 [ 287.015672][ C0] text_poke_bp_batch+0x5f1/0x850 [ 287.015685][ C0] ? arch_jump_label_transform_apply+0xe/0x20 [ 287.015729][ C0] ? __kmem_cache_alloc_bulk+0xb5/0x3e0 [ 287.015750][ C0] ? text_poke_loc_init+0x500/0x500 [ 287.015766][ C0] ? __jump_label_update+0x38e/0x3b0 [ 287.015788][ C0] text_poke_finish+0x16/0x30 [ 287.015801][ C0] arch_jump_label_transform_apply+0x13/0x20 [ 287.015819][ C0] static_key_disable_cpuslocked+0xc8/0x1b0 [ 287.015834][ C0] static_key_disable+0x16/0x20 [ 287.015847][ C0] toggle_allocation_gate+0x1a8/0x240 [ 287.015862][ C0] ? virt_to_slab+0x2c0/0x2c0 [ 287.015875][ C0] ? rcu_read_lock_sched_held+0x87/0x110 [ 287.015890][ C0] ? wake_bit_function+0x240/0x240 [ 287.015905][ C0] ? do_raw_spin_unlock+0x134/0x8a0 [ 287.015926][ C0] process_one_work+0x877/0xdb0 [ 287.015949][ C0] ? worker_detach_from_pool+0x260/0x260 [ 287.015967][ C0] ? _raw_spin_lock_irq+0xba/0xf0 [ 287.015985][ C0] ? _raw_spin_lock_irqsave+0x100/0x100 [ 287.016007][ C0] worker_thread+0xb14/0x1330 [ 287.016036][ C0] kthread+0x266/0x300 [ 287.016049][ C0] ? rcu_lock_release+0x20/0x20 [ 287.016064][ C0] ? kthread_blkcg+0xd0/0xd0 [ 287.016078][ C0] ret_from_fork+0x1f/0x30 [ 287.016101][ C0] [ 287.016107][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.029 msecs [ 287.017079][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 287.378880][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0 [ 287.388340][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 287.398385][ T28] Call Trace: [ 287.401667][ T28] [ 287.404592][ T28] dump_stack_lvl+0x1b1/0x290 [ 287.409273][ T28] ? nf_tcp_handle_invalid+0x630/0x630 [ 287.414730][ T28] ? panic+0x710/0x710 [ 287.418817][ T28] ? vscnprintf+0x59/0x80 [ 287.423155][ T28] panic+0x2d6/0x710 [ 287.427061][ T28] ? schedule_preempt_disabled+0x20/0x20 [ 287.432719][ T28] ? nmi_trigger_cpumask_backtrace+0x2d0/0x420 [ 287.438881][ T28] ? memcpy_page_flushcache+0x100/0x100 [ 287.444437][ T28] ? nmi_trigger_cpumask_backtrace+0x2d0/0x420 [ 287.450603][ T28] ? nmi_trigger_cpumask_backtrace+0x34e/0x420 [ 287.456765][ T28] ? nmi_trigger_cpumask_backtrace+0x353/0x420 [ 287.462916][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.468986][ T28] watchdog+0xd15/0xd20 [ 287.473237][ T28] kthread+0x266/0x300 [ 287.477305][ T28] ? hungtask_pm_notify+0x50/0x50 [ 287.482324][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.486907][ T28] ret_from_fork+0x1f/0x30 [ 287.491330][ T28] [ 287.494483][ T28] Kernel Offset: disabled [ 287.498803][ T28] Rebooting in 86400 seconds..