./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3248070779 <...> [ 91.304025][ T24] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.108' (ED25519) to the list of known hosts. execve("./syz-executor3248070779", ["./syz-executor3248070779"], 0x7ffef38b8340 /* 10 vars */) = 0 brk(NULL) = 0x5555899ea000 brk(0x5555899ead00) = 0x5555899ead00 arch_prctl(ARCH_SET_FS, 0x5555899ea380) = 0 set_tid_address(0x5555899ea650) = 5828 set_robust_list(0x5555899ea660, 24) = 0 rseq(0x5555899eaca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3248070779", 4096) = 28 getrandom("\x60\x4b\x4b\x82\x62\xf8\x8b\xf0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555899ead00 brk(0x555589a0bd00) = 0x555589a0bd00 brk(0x555589a0c000) = 0x555589a0c000 mprotect(0x7f5b8961c000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555899ea650) = 5829 ./strace-static-x86_64: Process 5829 attached [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] set_robust_list(0x5555899ea660, 24) = 0 ./strace-static-x86_64: Process 5830 attached [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] set_robust_list(0x5555899ea660, 24 [pid 5828] <... clone resumed>, child_tidptr=0x5555899ea650) = 5830 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5831 attached [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5828] <... clone resumed>, child_tidptr=0x5555899ea650) = 5831 [pid 5831] set_robust_list(0x5555899ea660, 24 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5828] <... clone resumed>, child_tidptr=0x5555899ea650) = 5832 [pid 5832] set_robust_list(0x5555899ea660, 24 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5833 attached [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... set_robust_list resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] close(3 [pid 5829] <... clone resumed>, child_tidptr=0x5555899ea650) = 5833 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached [pid 5833] set_robust_list(0x5555899ea660, 24) = 0 [pid 5834] set_robust_list(0x5555899ea660, 24 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] close(3./strace-static-x86_64: Process 5835 attached [pid 5832] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached [pid 5832] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5832] close(3 [pid 5836] set_robust_list(0x5555899ea660, 24 [pid 5832] <... close resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x5555899ea650) = 5835 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached [pid 5828] <... clone resumed>, child_tidptr=0x5555899ea650) = 5834 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] set_robust_list(0x5555899ea660, 24 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] <... prctl resumed>) = 0 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... prctl resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] setpgid(0, 0 [pid 5836] setpgid(0, 0 [pid 5831] <... clone resumed>, child_tidptr=0x5555899ea650) = 5836 [pid 5835] <... prctl resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5833] <... setpgid resumed>) = 0 [pid 5837] set_robust_list(0x5555899ea660, 24 [pid 5835] setpgid(0, 0 [pid 5836] <... setpgid resumed>) = 0 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... setpgid resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] write(3, "1000", 4 [pid 5835] <... openat resumed>) = 3 [pid 5836] write(3, "1000", 4 [pid 5832] <... clone resumed>, child_tidptr=0x5555899ea650) = 5837 [pid 5836] <... write resumed>) = 4 [pid 5835] write(3, "1000", 4 [pid 5833] <... write resumed>) = 4 ./strace-static-x86_64: Process 5838 attached [pid 5836] close(3 [pid 5838] set_robust_list(0x5555899ea660, 24 [pid 5836] <... close resumed>) = 0 executing program [pid 5838] <... set_robust_list resumed>) = 0 [pid 5836] write(1, "executing program\n", 18 [pid 5838] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5836] <... write resumed>) = 18 [pid 5837] <... prctl resumed>) = 0 [pid 5836] memfd_create("syzkaller", 0 [pid 5835] <... write resumed>) = 4 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] close(3 [pid 5828] <... clone resumed>, child_tidptr=0x5555899ea650) = 5838 [pid 5838] <... openat resumed>) = 3 [pid 5837] setpgid(0, 0 [pid 5836] <... memfd_create resumed>) = 3 [pid 5835] close(3 [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] <... close resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] <... setpgid resumed>) = 0 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5835] <... close resumed>) = 0 [pid 5834] close(3 [pid 5833] write(1, "executing program\n", 18 [pid 5838] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... mmap resumed>) = 0x7f5b81000000 [pid 5835] write(1, "executing program\n", 18 [pid 5834] <... close resumed>) = 0 [pid 5833] <... write resumed>) = 18 executing program [pid 5838] close(3 [pid 5837] <... openat resumed>) = 3 [pid 5835] <... write resumed>) = 18 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] memfd_create("syzkaller", 0 [pid 5837] write(3, "1000", 4 [pid 5838] <... close resumed>) = 0 [pid 5833] <... memfd_create resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] memfd_create("syzkaller", 0 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5840 attached ./strace-static-x86_64: Process 5839 attached [pid 5837] <... write resumed>) = 4 [pid 5835] <... memfd_create resumed>) = 3 [pid 5833] <... mmap resumed>) = 0x7f5b81000000 [pid 5839] set_robust_list(0x5555899ea660, 24) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] setpgid(0, 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555899ea650) = 5839 [pid 5839] <... setpgid resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1000", 4) = 4 [pid 5839] close(3) = 0 executing program [pid 5839] write(1, "executing program\n", 18) = 18 [pid 5839] memfd_create("syzkaller", 0 [pid 5840] set_robust_list(0x5555899ea660, 24 [pid 5837] close(3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... clone resumed>, child_tidptr=0x5555899ea650) = 5840 [pid 5839] <... memfd_create resumed>) = 3 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5b81000000 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5835] <... mmap resumed>) = 0x7f5b81000000 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5837] write(1, "executing program\n", 18 [pid 5840] setpgid(0, 0 [pid 5837] <... write resumed>) = 18 [pid 5840] <... setpgid resumed>) = 0 [pid 5837] memfd_create("syzkaller", 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... memfd_create resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5840] write(3, "1000", 4) = 4 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] close(3) = 0 [pid 5837] <... mmap resumed>) = 0x7f5b81000000 [pid 5840] write(1, "executing program\n", 18executing program ) = 18 [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5b81000000 [pid 5836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5836] <... write resumed>) = 16777216 [pid 5839] <... write resumed>) = 16777216 [pid 5836] munmap(0x7f5b81000000, 138412032 [pid 5833] <... write resumed>) = 16777216 [pid 5833] munmap(0x7f5b81000000, 138412032 [pid 5839] munmap(0x7f5b81000000, 138412032 [pid 5835] <... write resumed>) = 16777216 [pid 5835] munmap(0x7f5b81000000, 138412032 [pid 5840] <... write resumed>) = 16777216 [pid 5837] <... write resumed>) = 16777216 [pid 5840] munmap(0x7f5b81000000, 138412032 [pid 5837] munmap(0x7f5b81000000, 138412032 [pid 5833] <... munmap resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5833] ioctl(4, LOOP_SET_FD, 3 [pid 5836] <... munmap resumed>) = 0 [pid 5840] <... munmap resumed>) = 0 [pid 5839] <... munmap resumed>) = 0 [pid 5837] <... munmap resumed>) = 0 [pid 5835] <... munmap resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5839] ioctl(4, LOOP_SET_FD, 3 [pid 5836] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] close(3 [pid 5840] <... openat resumed>) = 4 [pid 5837] <... openat resumed>) = 4 [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... openat resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 5840] ioctl(4, LOOP_SET_FD, 3 [pid 5839] <... ioctl resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 5837] <... ioctl resumed>) = 0 [pid 5835] ioctl(4, LOOP_SET_FD, 3 [ 93.777313][ T5833] loop0: detected capacity change from 0 to 32768 [ 93.800295][ T5839] loop5: detected capacity change from 0 to 32768 [ 93.807801][ T5837] loop3: detected capacity change from 0 to 32768 [ 93.814931][ T5840] loop4: detected capacity change from 0 to 32768 [pid 5833] close(4 [pid 5839] close(3 [pid 5836] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5833] mkdir("./file1", 0777 [pid 5839] close(4) = 0 [pid 5839] mkdir("./file1", 0777) = 0 [pid 5839] mount("/dev/loop5", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [pid 5837] close(3 [pid 5833] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5833] mount("/dev/loop0", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [pid 5836] <... ioctl resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5837] close(4) = 0 [pid 5835] close(3 [pid 5837] mkdir("./file1", 0777 [pid 5836] close(3 [pid 5835] <... close resumed>) = 0 [pid 5840] close(3 [pid 5837] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5836] <... close resumed>) = 0 [pid 5835] close(4 [pid 5840] <... close resumed>) = 0 [pid 5837] mount("/dev/loop3", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [pid 5836] close(4 [pid 5835] <... close resumed>) = 0 [pid 5840] close(4 [pid 5836] <... close resumed>) = 0 [pid 5835] mkdir("./file1", 0777 [pid 5840] <... close resumed>) = 0 [pid 5836] mkdir("./file1", 0777 [pid 5835] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5840] mkdir("./file1", 0777 [pid 5836] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5835] mount("/dev/loop1", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [pid 5840] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5836] mount("/dev/loop2", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [ 93.824951][ T5836] loop2: detected capacity change from 0 to 32768 [ 93.827854][ T5835] loop1: detected capacity change from 0 to 32768 [ 93.883586][ T5839] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 93.895623][ T5833] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.907415][ T5835] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.915671][ T5839] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 93.926676][ T5833] CPU: 1 UID: 0 PID: 5833 Comm: syz-executor324 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) [ 93.926711][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 93.926727][ T5833] Call Trace: [ 93.926736][ T5833] [ 93.926746][ T5833] dump_stack_lvl+0x189/0x250 [ 93.926816][ T5833] ? kernfs_path_from_node+0x2c/0x260 [ 93.926859][ T5833] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.926899][ T5833] ? __pfx__printk+0x10/0x10 [ 93.926930][ T5833] ? kernfs_path_from_node+0x2c/0x260 [ 93.926965][ T5833] ? kernfs_path_from_node+0x2c/0x260 [ 93.927003][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.927032][ T5833] ? kernfs_path_from_node+0x22c/0x260 [ 93.927067][ T5833] ? kernfs_path_from_node+0x2c/0x260 [ 93.927107][ T5833] sysfs_create_dir_ns+0x259/0x280 [ 93.927146][ T5833] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 93.927183][ T5833] ? do_raw_spin_unlock+0x122/0x240 [ 93.927226][ T5833] kobject_add_internal+0x59f/0xb40 [ 93.927272][ T5833] kobject_init_and_add+0x125/0x190 [ 93.927309][ T5833] ? __pfx_kobject_init_and_add+0x10/0x10 [ 93.927340][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.927400][ T5833] ? __raw_spin_lock_init+0x45/0x100 [ 93.927440][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.927468][ T5833] ? __init_swait_queue_head+0xa9/0x150 [ 93.927512][ T5833] gfs2_sys_fs_add+0x237/0x470 [ 93.927543][ T5833] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 93.927581][ T5833] ? is_dynamic_key+0xd6/0x1c0 [ 93.927607][ T5833] ? __pfx_alloc_workqueue+0x10/0x10 [ 93.927663][ T5833] gfs2_fill_super+0x1348/0x2010 [ 93.927715][ T5833] ? __pfx_gfs2_fill_super+0x10/0x10 [ 93.927745][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.927777][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.927805][ T5833] ? sb_set_blocksize+0x104/0x180 [ 93.927841][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.927869][ T5833] ? setup_bdev_super+0x4c1/0x5b0 [ 93.927903][ T5833] get_tree_bdev_flags+0x40e/0x4d0 [ 93.927933][ T5833] ? __pfx_gfs2_fill_super+0x10/0x10 [ 93.927967][ T5833] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 93.927998][ T5833] ? rcu_is_watching+0x15/0xb0 [ 93.928039][ T5833] gfs2_get_tree+0x51/0x1e0 [ 93.928076][ T5833] vfs_get_tree+0x92/0x2b0 [ 93.928109][ T5833] do_new_mount+0x24a/0xa40 [ 93.928152][ T5833] __se_sys_mount+0x317/0x410 [ 93.928193][ T5833] ? __pfx___se_sys_mount+0x10/0x10 [ 93.928224][ T5833] ? rcu_is_watching+0x15/0xb0 [ 93.928265][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.928293][ T5833] ? __x64_sys_mount+0x20/0xc0 [ 93.928330][ T5833] do_syscall_64+0xfa/0x3b0 [ 93.928357][ T5833] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.928383][ T5833] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.928407][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.928435][ T5833] ? exc_page_fault+0x9f/0xf0 [ 93.928463][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.928488][ T5833] RIP: 0033:0x7f5b89597f1a [ 93.928510][ T5833] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 93.928530][ T5833] RSP: 002b:00007ffc37392cb8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 93.928556][ T5833] RAX: ffffffffffffffda RBX: 00007ffc37392cd0 RCX: 00007f5b89597f1a [ 93.928582][ T5833] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffc37392cd0 [ 93.928600][ T5833] RBP: 0000200000001c00 R08: 00007ffc37392d10 R09: 00000000000125dc [ 93.928617][ T5833] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240 [ 93.928634][ T5833] R13: 00007ffc37392d10 R14: 0000000000000003 R15: 0000000001000800 [ 93.928670][ T5833] [ 93.954674][ T5835] CPU: 0 UID: 0 PID: 5835 Comm: syz-executor324 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) [ 93.954710][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 93.954725][ T5835] Call Trace: [ 93.954735][ T5835] [ 93.954745][ T5835] dump_stack_lvl+0x189/0x250 [ 93.954789][ T5835] ? kernfs_path_from_node+0x2c/0x260 [ 93.954827][ T5835] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.954865][ T5835] ? __pfx__printk+0x10/0x10 [ 93.954894][ T5835] ? kernfs_path_from_node+0x2c/0x260 [ 93.954927][ T5835] ? kernfs_path_from_node+0x2c/0x260 [ 93.954964][ T5835] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.954992][ T5835] ? kernfs_path_from_node+0x22c/0x260 [ 93.955026][ T5835] ? kernfs_path_from_node+0x2c/0x260 [ 93.955065][ T5835] sysfs_create_dir_ns+0x259/0x280 [ 93.955103][ T5835] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 93.955140][ T5835] ? do_raw_spin_unlock+0x122/0x240 [ 93.955185][ T5835] kobject_add_internal+0x59f/0xb40 [ 93.955227][ T5835] kobject_init_and_add+0x125/0x190 [ 93.955265][ T5835] ? __pfx_kobject_init_and_add+0x10/0x10 [ 93.955295][ T5835] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.955323][ T5835] ? __raw_spin_lock_init+0x45/0x100 [ 93.955361][ T5835] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.955388][ T5835] ? __init_swait_queue_head+0xa9/0x150 [ 93.955431][ T5835] gfs2_sys_fs_add+0x237/0x470 [ 93.955460][ T5835] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 93.955492][ T5835] ? is_dynamic_key+0xd6/0x1c0 [ 93.955518][ T5835] ? __pfx_alloc_workqueue+0x10/0x10 [ 93.955579][ T5835] gfs2_fill_super+0x1348/0x2010 [ 93.955632][ T5835] ? __pfx_gfs2_fill_super+0x10/0x10 [ 93.955662][ T5835] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.955696][ T5835] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.955723][ T5835] ? sb_set_blocksize+0x104/0x180 [ 93.955757][ T5835] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.955785][ T5835] ? setup_bdev_super+0x4c1/0x5b0 [ 93.955818][ T5835] get_tree_bdev_flags+0x40e/0x4d0 [ 93.955847][ T5835] ? __pfx_gfs2_fill_super+0x10/0x10 [ 93.955881][ T5835] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 93.955911][ T5835] ? rcu_is_watching+0x15/0xb0 [ 93.955950][ T5835] gfs2_get_tree+0x51/0x1e0 [ 93.955987][ T5835] vfs_get_tree+0x92/0x2b0 [ 93.956020][ T5835] do_new_mount+0x24a/0xa40 [ 93.956062][ T5835] __se_sys_mount+0x317/0x410 [ 93.956104][ T5835] ? __pfx___se_sys_mount+0x10/0x10 [ 93.956134][ T5835] ? rcu_is_watching+0x15/0xb0 [ 93.956171][ T5835] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.956198][ T5835] ? __x64_sys_mount+0x20/0xc0 [ 93.956233][ T5835] do_syscall_64+0xfa/0x3b0 [ 93.956260][ T5835] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.956286][ T5835] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.956309][ T5835] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.956336][ T5835] ? exc_page_fault+0x9f/0xf0 [ 93.956363][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.956386][ T5835] RIP: 0033:0x7f5b89597f1a [ 93.956409][ T5835] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 93.956428][ T5835] RSP: 002b:00007ffc37392cb8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 93.956453][ T5835] RAX: ffffffffffffffda RBX: 00007ffc37392cd0 RCX: 00007f5b89597f1a [ 93.956471][ T5835] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffc37392cd0 [ 93.956488][ T5835] RBP: 0000200000001c00 R08: 00007ffc37392d10 R09: 00000000000125dc [ 93.956505][ T5835] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240 [ 93.956521][ T5835] R13: 00007ffc37392d10 R14: 0000000000000003 R15: 0000000001000800 [ 93.956556][ T5835] [ 93.956593][ T5835] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.963654][ T5833] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.967773][ T5836] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.971527][ T5833] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.991558][ T5835] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.000020][ T5836] CPU: 1 UID: 0 PID: 5836 Comm: syz-executor324 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) [ 94.000052][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.000067][ T5836] Call Trace: [ 94.000077][ T5836] [ 94.000087][ T5836] dump_stack_lvl+0x189/0x250 [ 94.000132][ T5836] ? kernfs_path_from_node+0x2c/0x260 [ 94.000171][ T5836] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.000209][ T5836] ? __pfx__printk+0x10/0x10 [ 94.000238][ T5836] ? kernfs_path_from_node+0x2c/0x260 [ 94.000271][ T5836] ? kernfs_path_from_node+0x2c/0x260 [ 94.000308][ T5836] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.000343][ T5836] ? kernfs_path_from_node+0x22c/0x260 [ 94.000377][ T5836] ? kernfs_path_from_node+0x2c/0x260 [ 94.000416][ T5836] sysfs_create_dir_ns+0x259/0x280 [ 94.000454][ T5836] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 94.000491][ T5836] ? do_raw_spin_unlock+0x122/0x240 [ 94.000534][ T5836] kobject_add_internal+0x59f/0xb40 [ 94.000577][ T5836] kobject_init_and_add+0x125/0x190 [ 94.000614][ T5836] ? __pfx_kobject_init_and_add+0x10/0x10 [ 94.000645][ T5836] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.000672][ T5836] ? __raw_spin_lock_init+0x45/0x100 [ 94.000710][ T5836] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.000735][ T5836] ? __init_swait_queue_head+0xa9/0x150 [ 94.000777][ T5836] gfs2_sys_fs_add+0x237/0x470 [ 94.000806][ T5836] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 94.000839][ T5836] ? is_dynamic_key+0xd6/0x1c0 [ 94.000864][ T5836] ? __pfx_alloc_workqueue+0x10/0x10 [ 94.000920][ T5836] gfs2_fill_super+0x1348/0x2010 [ 94.000972][ T5836] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.001002][ T5836] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.001036][ T5836] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.001063][ T5836] ? sb_set_blocksize+0x104/0x180 [ 94.001102][ T5836] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.001129][ T5836] ? setup_bdev_super+0x4c1/0x5b0 [ 94.001162][ T5836] get_tree_bdev_flags+0x40e/0x4d0 [ 94.001191][ T5836] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.001224][ T5836] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 94.001254][ T5836] ? rcu_is_watching+0x15/0xb0 [ 94.001292][ T5836] gfs2_get_tree+0x51/0x1e0 [ 94.001333][ T5836] vfs_get_tree+0x92/0x2b0 [ 94.001366][ T5836] do_new_mount+0x24a/0xa40 [ 94.001408][ T5836] __se_sys_mount+0x317/0x410 [ 94.001448][ T5836] ? __pfx___se_sys_mount+0x10/0x10 [ 94.001482][ T5836] ? rcu_is_watching+0x15/0xb0 [ 94.001518][ T5836] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.001545][ T5836] ? __x64_sys_mount+0x20/0xc0 [ 94.001580][ T5836] do_syscall_64+0xfa/0x3b0 [ 94.001607][ T5836] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.001633][ T5836] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.001655][ T5836] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.001682][ T5836] ? exc_page_fault+0x9f/0xf0 [ 94.001709][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.001733][ T5836] RIP: 0033:0x7f5b89597f1a [ 94.001755][ T5836] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 94.001774][ T5836] RSP: 002b:00007ffc37392cb8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.001798][ T5836] RAX: ffffffffffffffda RBX: 00007ffc37392cd0 RCX: 00007f5b89597f1a [ 94.001816][ T5836] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffc37392cd0 [ 94.001833][ T5836] RBP: 0000200000001c00 R08: 00007ffc37392d10 R09: 00000000000125dc [ 94.001850][ T5836] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240 [ 94.001866][ T5836] R13: 00007ffc37392d10 R14: 0000000000000003 R15: 0000000001000800 [ 94.001901][ T5836] [ 94.041761][ T5836] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.087980][ T5840] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.106403][ T5836] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.243646][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor324 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) [ 94.243680][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.243695][ T5840] Call Trace: [ 94.243705][ T5840] [ 94.243715][ T5840] dump_stack_lvl+0x189/0x250 [ 94.243760][ T5840] ? kernfs_path_from_node+0x2c/0x260 [ 94.243799][ T5840] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.243837][ T5840] ? __pfx__printk+0x10/0x10 [ 94.243866][ T5840] ? kernfs_path_from_node+0x2c/0x260 [ 94.243899][ T5840] ? kernfs_path_from_node+0x2c/0x260 [ 94.243936][ T5840] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.243965][ T5840] ? kernfs_path_from_node+0x22c/0x260 [ 94.243998][ T5840] ? kernfs_path_from_node+0x2c/0x260 [ 94.244037][ T5840] sysfs_create_dir_ns+0x259/0x280 [ 94.244076][ T5840] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 94.244113][ T5840] ? do_raw_spin_unlock+0x122/0x240 [ 94.244157][ T5840] kobject_add_internal+0x59f/0xb40 [ 94.244199][ T5840] kobject_init_and_add+0x125/0x190 [ 94.244237][ T5840] ? __pfx_kobject_init_and_add+0x10/0x10 [ 94.244268][ T5840] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.244295][ T5840] ? __raw_spin_lock_init+0x45/0x100 [ 94.244333][ T5840] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.244359][ T5840] ? __init_swait_queue_head+0xa9/0x150 [ 94.244401][ T5840] gfs2_sys_fs_add+0x237/0x470 [ 94.244432][ T5840] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 94.244464][ T5840] ? is_dynamic_key+0xd6/0x1c0 [ 94.244489][ T5840] ? __pfx_alloc_workqueue+0x10/0x10 [ 94.244551][ T5840] gfs2_fill_super+0x1348/0x2010 [ 94.244609][ T5840] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.244639][ T5840] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.244673][ T5840] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.244701][ T5840] ? sb_set_blocksize+0x104/0x180 [ 94.244735][ T5840] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.244762][ T5840] ? setup_bdev_super+0x4c1/0x5b0 [ 94.244795][ T5840] get_tree_bdev_flags+0x40e/0x4d0 [ 94.244824][ T5840] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.244858][ T5840] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 94.244888][ T5840] ? rcu_is_watching+0x15/0xb0 [ 94.244927][ T5840] gfs2_get_tree+0x51/0x1e0 [ 94.244963][ T5840] vfs_get_tree+0x92/0x2b0 [ 94.244995][ T5840] do_new_mount+0x24a/0xa40 [ 94.245037][ T5840] __se_sys_mount+0x317/0x410 [ 94.245078][ T5840] ? __pfx___se_sys_mount+0x10/0x10 [ 94.245108][ T5840] ? rcu_is_watching+0x15/0xb0 [ 94.245145][ T5840] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.245172][ T5840] ? __x64_sys_mount+0x20/0xc0 [ 94.245207][ T5840] do_syscall_64+0xfa/0x3b0 [ 94.245234][ T5840] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.245260][ T5840] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.245283][ T5840] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.245310][ T5840] ? exc_page_fault+0x9f/0xf0 [ 94.245337][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.245361][ T5840] RIP: 0033:0x7f5b89597f1a [ 94.245382][ T5840] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 94.245401][ T5840] RSP: 002b:00007ffc37392cb8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.245426][ T5840] RAX: ffffffffffffffda RBX: 00007ffc37392cd0 RCX: 00007f5b89597f1a [ 94.245444][ T5840] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffc37392cd0 [ 94.245461][ T5840] RBP: 0000200000001c00 R08: 00007ffc37392d10 R09: 00000000000125dc [ 94.245478][ T5840] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240 [ 94.245494][ T5840] R13: 00007ffc37392d10 R14: 0000000000000003 R15: 0000000001000800 [ 94.245529][ T5840] [ 94.245559][ T5840] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.288463][ T5839] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 94.290770][ T5837] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.384242][ T5833] ================================================================== [ 94.401529][ T5840] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.405368][ T5833] BUG: KASAN: null-ptr-deref in gfs2_drop_inode+0x20c/0x3a0 [ 94.417295][ T5840] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000015: 0000 [#1] SMP KASAN NOPTI [ 94.421764][ T5833] Read of size 8 at addr 00000000000000a8 by task syz-executor324/5833 [ 94.426505][ T5840] KASAN: null-ptr-deref in range [0x00000000000000a8-0x00000000000000af] [ 94.431755][ T5833] [ 94.431770][ T5833] CPU: 1 UID: 0 PID: 5833 Comm: syz-executor324 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) [ 94.431799][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.431814][ T5833] Call Trace: [ 94.431825][ T5833] [ 94.431836][ T5833] dump_stack_lvl+0x189/0x250 [ 94.431881][ T5833] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.431920][ T5833] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 94.431960][ T5833] ? do_raw_spin_lock+0x121/0x290 [ 94.432001][ T5833] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.432039][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.432069][ T5833] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.432106][ T5833] kasan_report+0x118/0x150 [ 94.432139][ T5833] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.432182][ T5833] kasan_check_range+0x2b0/0x2c0 [ 94.432215][ T5833] gfs2_drop_inode+0x20c/0x3a0 [ 94.432256][ T5833] iput+0x45d/0x9d0 [ 94.432293][ T5833] gfs2_fill_super+0x1418/0x2010 [ 94.432335][ T5833] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.432366][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.432397][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.432425][ T5833] ? sb_set_blocksize+0x104/0x180 [ 94.432457][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.432485][ T5833] ? setup_bdev_super+0x4c1/0x5b0 [ 94.432515][ T5833] get_tree_bdev_flags+0x40e/0x4d0 [ 94.432543][ T5833] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.432580][ T5833] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 94.432609][ T5833] ? rcu_is_watching+0x15/0xb0 [ 94.432643][ T5833] gfs2_get_tree+0x51/0x1e0 [ 94.432676][ T5833] vfs_get_tree+0x92/0x2b0 [ 94.432706][ T5833] do_new_mount+0x24a/0xa40 [ 94.432743][ T5833] __se_sys_mount+0x317/0x410 [ 94.432779][ T5833] ? __pfx___se_sys_mount+0x10/0x10 [ 94.432810][ T5833] ? rcu_is_watching+0x15/0xb0 [ 94.432842][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.432870][ T5833] ? __x64_sys_mount+0x20/0xc0 [ 94.432903][ T5833] do_syscall_64+0xfa/0x3b0 [ 94.432931][ T5833] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.432955][ T5833] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.432978][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.433006][ T5833] ? exc_page_fault+0x9f/0xf0 [ 94.433030][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.433054][ T5833] RIP: 0033:0x7f5b89597f1a [ 94.433075][ T5833] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 94.433095][ T5833] RSP: 002b:00007ffc37392cb8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.433120][ T5833] RAX: ffffffffffffffda RBX: 00007ffc37392cd0 RCX: 00007f5b89597f1a [ 94.433138][ T5833] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffc37392cd0 [ 94.433155][ T5833] RBP: 0000200000001c00 R08: 00007ffc37392d10 R09: 00000000000125dc [ 94.433172][ T5833] R10: 0000000001000800 R11: 0000000000000282 R12: 0000200000000240 [ 94.433188][ T5833] R13: 00007ffc37392d10 R14: 0000000000000003 R15: 0000000001000800 [ 94.433214][ T5833] [ 94.433222][ T5833] ================================================================== [ 94.436489][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor324 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) [ 94.441896][ T5833] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 95.825013][ T5833] Kernel Offset: disabled [ 95.829329][ T5833] Rebooting in 86400 seconds..