./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3224093805 <...> [ 91.218765][ T24] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.168' (ED25519) to the list of known hosts. execve("./syz-executor3224093805", ["./syz-executor3224093805"], 0x7fffea56e9a0 /* 10 vars */) = 0 brk(NULL) = 0x555564376000 brk(0x555564376d00) = 0x555564376d00 arch_prctl(ARCH_SET_FS, 0x555564376380) = 0 set_tid_address(0x555564376650) = 5837 set_robust_list(0x555564376660, 24) = 0 rseq(0x555564376ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3224093805", 4096) = 28 getrandom("\x88\xdc\x67\x52\x47\x70\xf3\xe9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555564376d00 brk(0x555564397d00) = 0x555564397d00 brk(0x555564398000) = 0x555564398000 mprotect(0x7fec9391b000, 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./strace-static-x86_64: Process 5838 attached [pid 5838] set_robust_list(0x555564376660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x555564376650) = 5838 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] getrandom( [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... getrandom resumed>"\x1f\xc3\xff\x8a\x95\xee\xee\x2f", 8, GRND_NONBLOCK) = 8 ./strace-static-x86_64: Process 5839 attached [pid 5839] set_robust_list(0x555564376660, 24 [pid 5838] mkdir("./syzkaller.loOAyZ", 0700 [pid 5837] <... clone resumed>, child_tidptr=0x555564376650) = 5839 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] mkdir("./syzkaller.TbyC6H", 0700 [pid 5838] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5840 attached [pid 5837] <... clone resumed>, child_tidptr=0x555564376650) = 5840 [pid 5840] set_robust_list(0x555564376660, 24 [pid 5838] chmod("./syzkaller.loOAyZ", 0777) = 0 [pid 5838] chdir("./syzkaller.loOAyZ" [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5839] chmod("./syzkaller.TbyC6H", 0777 [pid 5838] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5841 attached [pid 5839] <... chmod resumed>) = 0 [pid 5841] set_robust_list(0x555564376660, 24 [pid 5840] mkdir("./syzkaller.MMBjL2", 0700 [pid 5838] unshare(CLONE_NEWPID [pid 5839] chdir("./syzkaller.TbyC6H" [pid 5837] <... clone resumed>, child_tidptr=0x555564376650) = 5841 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] mkdir("./syzkaller.qNwOEX", 0700 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... chdir resumed>) = 0 [pid 5838] <... unshare resumed>) = 0 [pid 5839] unshare(CLONE_NEWPID) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached [pid 5837] <... clone resumed>, child_tidptr=0x555564376650) = 5842 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] chmod("./syzkaller.MMBjL2", 0777 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] set_robust_list(0x555564376660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555564376650) = 5843 [pid 5843] set_robust_list(0x555564376660, 24 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] chmod("./syzkaller.qNwOEX", 0777 [pid 5840] <... chmod resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5844 attached [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... chmod resumed>) = 0 [pid 5843] <... prctl resumed>) = 0 [pid 5840] chdir("./syzkaller.MMBjL2" [pid 5843] getppid( [pid 5840] <... chdir resumed>) = 0 [pid 5843] <... getppid resumed>) = 0 [pid 5840] unshare(CLONE_NEWPID./strace-static-x86_64: Process 5845 attached [pid 5843] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5842] mkdir("./syzkaller.pyXVZN", 0700 [pid 5840] <... unshare resumed>) = 0 [pid 5844] set_robust_list(0x555564376660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x555564376650) = 5845 [pid 5845] set_robust_list(0x555564376660, 24 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5841] chdir("./syzkaller.qNwOEX" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x555564376650) = 5844 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5842] chmod("./syzkaller.pyXVZN", 0777./strace-static-x86_64: Process 5846 attached [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] <... chmod resumed>) = 0 [pid 5841] <... chdir resumed>) = 0 [pid 5846] set_robust_list(0x555564376660, 24 [pid 5845] mkdir("./syzkaller.6glN8L", 0700 [pid 5844] <... prctl resumed>) = 0 [pid 5843] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5841] unshare(CLONE_NEWPID [pid 5840] <... clone resumed>, child_tidptr=0x555564376650) = 5846 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5842] chdir("./syzkaller.pyXVZN") = 0 [pid 5841] <... unshare resumed>) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] unshare(CLONE_NEWPID [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... unshare resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached ./strace-static-x86_64: Process 5847 attached [pid 5846] <... prctl resumed>) = 0 [pid 5844] getppid( [pid 5843] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5846] getppid( [pid 5844] <... getppid resumed>) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5848] set_robust_list(0x555564376660, 24 [pid 5847] set_robust_list(0x555564376660, 24 [pid 5843] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x555564376650) = 5848 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... getppid resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5844] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5848] <... prctl resumed>) = 0 [pid 5847] <... prctl resumed>) = 0 [pid 5848] getppid( [pid 5847] getppid( [pid 5848] <... getppid resumed>) = 0 [pid 5847] <... getppid resumed>) = 0 [pid 5846] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5845] chmod("./syzkaller.6glN8L", 0777 [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5841] <... clone resumed>, child_tidptr=0x555564376650) = 5847 [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] <... chmod resumed>) = 0 [pid 5844] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5846] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] unshare(CLONE_NEWNS [pid 5848] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5847] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] chdir("./syzkaller.6glN8L" [pid 5844] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5848] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5847] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] <... chdir resumed>) = 0 [pid 5844] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5845] unshare(CLONE_NEWPID [pid 5843] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5848] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5847] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] <... unshare resumed>) = 0 [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5844] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5848] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5847] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5844] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5843] <... mount resumed>) = 0 [pid 5848] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5847] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] unshare(CLONE_NEWNS [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] unshare(CLONE_NEWIPC./strace-static-x86_64: Process 5849 attached [pid 5848] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5847] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5846] <... unshare resumed>) = 0 [pid 5844] unshare(CLONE_NEWNS [pid 5849] set_robust_list(0x555564376660, 24 [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x555564376650) = 5849 [pid 5848] unshare(CLONE_NEWNS [pid 5847] unshare(CLONE_NEWNS [pid 5849] <... set_robust_list resumed>) = 0 [pid 5846] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5844] <... unshare resumed>) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] unshare(CLONE_NEWCGROUP [pid 5849] <... prctl resumed>) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5849] getppid( [pid 5843] unshare(CLONE_NEWUTS [pid 5848] <... unshare resumed>) = 0 [pid 5847] <... unshare resumed>) = 0 [pid 5844] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5849] <... getppid resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5849] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5848] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5846] unshare(CLONE_NEWIPC [pid 5844] <... mount resumed>) = 0 [pid 5843] unshare(CLONE_SYSVSEM [pid 5848] <... mount resumed>) = 0 [pid 5849] <... prlimit64 resumed>NULL) = 0 [pid 5848] unshare(CLONE_NEWIPC [pid 5847] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5844] unshare(CLONE_NEWIPC [pid 5849] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5848] <... unshare resumed>) = 0 [pid 5846] <... unshare resumed>) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5849] <... prlimit64 resumed>NULL) = 0 [pid 5849] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5848] unshare(CLONE_NEWCGROUP [pid 5847] <... mount resumed>) = 0 [pid 5846] unshare(CLONE_NEWCGROUP [pid 5844] <... unshare resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5849] <... prlimit64 resumed>NULL) = 0 [pid 5848] <... unshare resumed>) = 0 [pid 5847] unshare(CLONE_NEWIPC [pid 5846] <... unshare resumed>) = 0 [pid 5844] unshare(CLONE_NEWCGROUP [pid 5849] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5848] unshare(CLONE_NEWUTS [pid 5846] unshare(CLONE_NEWUTS) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5843] write(3, "16777216", 8 [pid 5848] <... unshare resumed>) = 0 [pid 5849] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... unshare resumed>) = 0 [pid 5846] unshare(CLONE_SYSVSEM [pid 5844] <... unshare resumed>) = 0 [pid 5847] unshare(CLONE_NEWCGROUP [pid 5843] <... write resumed>) = 8 [pid 5849] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5848] unshare(CLONE_SYSVSEM [pid 5847] <... unshare resumed>) = 0 [pid 5846] <... unshare resumed>) = 0 [pid 5844] unshare(CLONE_NEWUTS [pid 5843] close(3 [pid 5849] <... prlimit64 resumed>NULL) = 0 [pid 5848] <... unshare resumed>) = 0 [pid 5847] unshare(CLONE_NEWUTS [pid 5844] <... unshare resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5847] <... unshare resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5849] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5847] unshare(CLONE_SYSVSEM [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5844] unshare(CLONE_SYSVSEM [pid 5849] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... unshare resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5849] unshare(CLONE_NEWNS [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "536870912", 9 [pid 5844] <... unshare resumed>) = 0 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 9 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5843] close(3 [pid 5848] write(3, "16777216", 8 [pid 5849] <... unshare resumed>) = 0 [pid 5847] write(3, "16777216", 8 [pid 5846] <... openat resumed>) = 3 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5848] <... write resumed>) = 8 [pid 5849] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5847] <... write resumed>) = 8 [pid 5846] write(3, "16777216", 8 [pid 5844] write(3, "16777216", 8 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5849] <... mount resumed>) = 0 [pid 5847] close(3 [pid 5846] <... write resumed>) = 8 [pid 5844] <... write resumed>) = 8 [pid 5843] <... openat resumed>) = 3 [pid 5847] <... close resumed>) = 0 [pid 5846] close(3 [pid 5844] close(3 [pid 5849] unshare(CLONE_NEWIPC [pid 5846] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5848] close(3) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "1024", 4 [pid 5849] <... unshare resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] <... openat resumed>) = 3 [pid 5846] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 4 [pid 5848] write(3, "536870912", 9 [pid 5847] write(3, "536870912", 9 [pid 5844] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5848] <... write resumed>) = 9 [pid 5847] <... write resumed>) = 9 [pid 5846] write(3, "536870912", 9 [pid 5844] write(3, "536870912", 9 [pid 5843] <... close resumed>) = 0 [pid 5848] close(3 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5849] unshare(CLONE_NEWCGROUP [pid 5848] <... close resumed>) = 0 [pid 5847] close(3 [pid 5846] <... write resumed>) = 9 [pid 5849] <... unshare resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5847] <... close resumed>) = 0 [pid 5846] close(3 [pid 5844] <... write resumed>) = 9 [pid 5843] <... openat resumed>) = 3 [pid 5849] unshare(CLONE_NEWUTS [pid 5848] <... openat resumed>) = 3 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5846] <... close resumed>) = 0 [pid 5844] close(3 [pid 5843] write(3, "8192", 4 [pid 5849] <... unshare resumed>) = 0 [pid 5847] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5844] <... close resumed>) = 0 [pid 5849] unshare(CLONE_SYSVSEM [pid 5847] write(3, "1024", 4 [pid 5846] <... openat resumed>) = 3 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5849] <... unshare resumed>) = 0 [pid 5847] <... write resumed>) = 4 [pid 5846] write(3, "1024", 4 [pid 5844] <... openat resumed>) = 3 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5848] write(3, "1024", 4 [pid 5847] close(3 [pid 5846] <... write resumed>) = 4 [pid 5844] write(3, "1024", 4 [pid 5843] <... write resumed>) = 4 [pid 5848] <... write resumed>) = 4 [pid 5847] <... close resumed>) = 0 [pid 5846] close(3 [pid 5844] <... write resumed>) = 4 [pid 5843] close(3 [pid 5848] close(3 [pid 5849] <... openat resumed>) = 3 [pid 5848] <... close resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5846] <... close resumed>) = 0 [pid 5844] close(3 [pid 5843] <... close resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5849] write(3, "16777216", 8 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5844] <... close resumed>) = 0 [pid 5849] <... write resumed>) = 8 [pid 5848] write(3, "8192", 4 [pid 5846] <... openat resumed>) = 3 [pid 5849] close(3 [pid 5848] <... write resumed>) = 4 [pid 5847] write(3, "8192", 4 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5849] <... close resumed>) = 0 [pid 5848] close(3 [pid 5847] <... write resumed>) = 4 [pid 5846] write(3, "8192", 4 [pid 5843] <... openat resumed>) = 3 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5848] <... close resumed>) = 0 [pid 5847] close(3 [pid 5846] <... write resumed>) = 4 [pid 5844] <... openat resumed>) = 3 [pid 5843] write(3, "1024", 4 [pid 5849] <... openat resumed>) = 3 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5847] <... close resumed>) = 0 [pid 5844] write(3, "8192", 4 [pid 5846] close(3 [pid 5843] <... write resumed>) = 4 [pid 5849] write(3, "536870912", 9 [pid 5848] <... openat resumed>) = 3 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5846] <... close resumed>) = 0 [pid 5844] <... write resumed>) = 4 [pid 5843] close(3 [pid 5849] <... write resumed>) = 9 [pid 5848] write(3, "1024", 4 [pid 5843] <... close resumed>) = 0 [pid 5848] <... write resumed>) = 4 [pid 5847] <... openat resumed>) = 3 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5849] close(3 [pid 5848] close(3 [pid 5847] write(3, "1024", 4 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5844] close(3 [pid 5843] <... openat resumed>) = 3 [pid 5849] <... close resumed>) = 0 [pid 5848] <... close resumed>) = 0 [pid 5847] <... write resumed>) = 4 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5847] close(3 [pid 5846] <... openat resumed>) = 3 [pid 5844] <... close resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5848] <... openat resumed>) = 3 [pid 5847] <... close resumed>) = 0 [pid 5846] write(3, "1024", 4 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "1024", 4 [pid 5848] write(3, "1024", 4 [pid 5849] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 4 [pid 5848] <... write resumed>) = 4 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5843] close(3 [pid 5848] close(3 [pid 5846] <... write resumed>) = 4 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5848] <... close resumed>) = 0 [pid 5847] <... openat resumed>) = 3 [pid 5846] close(3 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5849] write(3, "1024", 4 [pid 5847] write(3, "1024", 4 [pid 5846] <... close resumed>) = 0 [pid 5844] write(3, "1024", 4 [pid 5849] <... write resumed>) = 4 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... write resumed>) = 4 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5844] <... write resumed>) = 4 [pid 5843] <... openat resumed>) = 3 [pid 5849] close(3 [pid 5848] write(3, "1024 1048576 500 1024", 21 [pid 5847] close(3 [pid 5846] <... openat resumed>) = 3 [pid 5844] close(3 [pid 5849] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5846] write(3, "1024", 4 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5849] <... openat resumed>) = 3 [pid 5848] <... write resumed>) = 21 [pid 5847] <... openat resumed>) = 3 [pid 5846] <... write resumed>) = 4 [pid 5843] write(3, "1024 1048576 500 1024", 21 [pid 5848] close(3 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 21 [pid 5848] <... close resumed>) = 0 [pid 5843] close(3 [pid 5849] write(3, "8192", 4 [pid 5848] getpid( [pid 5847] write(3, "1024 1048576 500 1024", 21 [pid 5846] close(3 [pid 5844] write(3, "1024", 4 [pid 5843] <... close resumed>) = 0 [pid 5849] <... write resumed>) = 4 [pid 5848] <... getpid resumed>) = 1 [pid 5847] <... write resumed>) = 21 [pid 5846] <... close resumed>) = 0 [pid 5844] <... write resumed>) = 4 [pid 5843] getpid( [pid 5849] close(3 [pid 5848] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5847] close(3 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5844] close(3 [pid 5849] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5844] <... close resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5847] getpid( [pid 5846] write(3, "1024 1048576 500 1024", 21 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5849] <... openat resumed>) = 3 [pid 5847] <... getpid resumed>) = 1 [pid 5846] <... write resumed>) = 21 [pid 5844] <... openat resumed>) = 3 [pid 5847] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5848] <... capget resumed>{effective=1<) = 1 [pid 5848] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5843] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5849] write(3, "1024", 4 [pid 5848] <... capset resumed>) = 0 [pid 5847] <... capget resumed>{effective=1< [pid 5844] write(3, "1024 1048576 500 1024", 21 [pid 5843] <... capget resumed>{effective=1<) = 4 [pid 5848] unshare(CLONE_NEWNET [pid 5847] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5846] <... close resumed>) = 0 [pid 5844] <... write resumed>) = 21 [pid 5843] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5849] close(3 [pid 5847] <... capset resumed>) = 0 [pid 5846] getpid( [pid 5844] close(3 [pid 5849] <... close resumed>) = 0 [pid 5847] unshare(CLONE_NEWNET [pid 5846] <... getpid resumed>) = 1 [pid 5844] <... close resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5843] <... capset resumed>) = 0 [pid 5846] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5844] getpid( [pid 5849] <... openat resumed>) = 3 [pid 5846] <... capget resumed>{effective=1<) = 1 [pid 5843] unshare(CLONE_NEWNET [pid 5844] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5846] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5844] <... capget resumed>{effective=1<) = 0 [pid 5844] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5846] unshare(CLONE_NEWNET [pid 5844] <... capset resumed>) = 0 [pid 5844] unshare(CLONE_NEWNET [pid 5849] write(3, "1024", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5849] close(3) = 0 [pid 5849] getpid() = 1 [pid 5849] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5847] <... unshare resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "0 65535", 7) = 7 [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "100000", 6) = 6 [pid 5847] close(3) = 0 [pid 5847] mkdir("./syz-tmp", 0777) = 0 [pid 5847] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 5847] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5847] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5847] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5847] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5843] <... unshare resumed>) = 0 [pid 5847] <... mkdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5847] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5843] write(3, "0 65535", 7 [pid 5847] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5843] <... write resumed>) = 7 [pid 5843] close(3 [pid 5847] <... mkdir resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5847] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5847] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5848] <... unshare resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5847] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] <... unshare resumed>) = 0 [pid 5847] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5847] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 5843] write(3, "100000", 6) = 6 [pid 5843] close(3) = 0 [pid 5843] mkdir("./syz-tmp", 0777 [pid 5847] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... mkdir resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5843] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5847] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... mount resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] mkdir("./syz-tmp/newroot", 0777 [pid 5849] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5847] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] <... unshare resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5849] <... openat resumed>) = 3 [pid 5848] write(3, "0 65535", 7 [pid 5847] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5844] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5849] write(3, "0 65535", 7 [pid 5844] <... openat resumed>) = 3 [pid 5849] <... write resumed>) = 7 [pid 5848] <... write resumed>) = 7 [pid 5847] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] write(3, "0 65535", 7 [pid 5849] close(3 [pid 5846] <... unshare resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5849] <... close resumed>) = 0 [pid 5848] close(3 [pid 5847] <... mount resumed>) = 0 [pid 5844] <... write resumed>) = 7 [pid 5849] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5846] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5849] <... openat resumed>) = 3 [pid 5848] <... close resumed>) = 0 [pid 5847] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5844] close(3 [pid 5849] write(3, "100000", 6 [pid 5848] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5846] <... openat resumed>) = 3 [pid 5843] <... mkdir resumed>) = 0 [pid 5849] <... write resumed>) = 6 [pid 5844] <... close resumed>) = 0 [pid 5849] close(3) = 0 [pid 5844] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5849] mkdir("./syz-tmp", 0777 [pid 5843] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] <... mkdir resumed>) = 0 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... mkdir resumed>) = 0 [pid 5846] write(3, "0 65535", 7 [pid 5844] <... openat resumed>) = 3 [pid 5849] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5848] write(3, "100000", 6 [pid 5847] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] <... write resumed>) = 7 [pid 5843] <... mount resumed>) = 0 [pid 5849] <... mount resumed>) = 0 [pid 5846] close(3 [pid 5844] write(3, "100000", 6 [pid 5849] mkdir("./syz-tmp/newroot", 0777 [pid 5848] <... write resumed>) = 6 [pid 5846] <... close resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5849] <... mkdir resumed>) = 0 [pid 5848] close(3 [pid 5847] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5844] <... write resumed>) = 6 [pid 5843] <... mkdir resumed>) = 0 [pid 5848] <... close resumed>) = 0 [pid 5844] close(3 [pid 5848] mkdir("./syz-tmp", 0777 [pid 5844] <... close resumed>) = 0 [pid 5849] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5847] mkdir("./syz-tmp/pivot", 0777 [pid 5846] <... openat resumed>) = 3 [pid 5844] mkdir("./syz-tmp", 0777 [pid 5843] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5849] <... mkdir resumed>) = 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... mkdir resumed>) = 0 [pid 5846] write(3, "100000", 6 [pid 5844] <... mkdir resumed>) = 0 [pid 5849] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5846] <... write resumed>) = 6 [pid 5844] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5843] <... mount resumed>) = 0 [pid 5849] <... mount resumed>) = 0 [pid 5848] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5847] <... pivot_root resumed>) = 0 [pid 5846] close(3 [pid 5844] <... mount resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5849] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5848] <... mount resumed>) = 0 [pid 5848] mkdir("./syz-tmp/newroot", 0777 [pid 5849] <... mkdir resumed>) = 0 [pid 5847] chdir("/" [pid 5846] <... close resumed>) = 0 [pid 5844] mkdir("./syz-tmp/newroot", 0777 [pid 5843] <... mkdir resumed>) = 0 [pid 5849] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... chdir resumed>) = 0 [pid 5846] mkdir("./syz-tmp", 0777 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] umount2("./pivot", MNT_DETACH [pid 5846] <... mkdir resumed>) = 0 [pid 5848] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5849] <... mount resumed>) = 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... umount2 resumed>) = 0 [pid 5846] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5844] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5843] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5848] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] chroot("./newroot" [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5847] <... chroot resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5849] <... mkdir resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5847] chdir("/" [pid 5844] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... mkdir resumed>) = 0 [pid 5849] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] mkdir("./syz-tmp/newroot", 0777 [pid 5849] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5848] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5847] <... chdir resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5844] <... mount resumed>) = 0 [pid 5843] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] mkdir("/dev/gadgetfs", 0777 [pid 5849] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... mkdir resumed>) = 0 [pid 5844] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5843] <... mount resumed>) = 0 [pid 5846] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5848] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5849] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5847] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5844] <... mkdir resumed>) = 0 [pid 5849] <... mkdir resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5843] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5847] <... mount resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5844] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5843] <... mount resumed>) = 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5848] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] <... mount resumed>) = 0 [pid 5848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5843] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] mkdir("/dev/binderfs", 0777 [pid 5846] <... mkdir resumed>) = 0 [pid 5844] <... mount resumed>) = 0 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5849] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5847] <... mkdir resumed>) = 0 [pid 5843] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] <... mount resumed>) = 0 [pid 5848] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5847] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5846] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5844] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5849] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] <... mkdir resumed>) = 0 [pid 5843] <... mount resumed>) = 0 [pid 5849] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] <... mount resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5849] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5847] <... mount resumed>) = 0 [pid 5848] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5846] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5844] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5849] <... mount resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5848] <... mount resumed>) = 0 [pid 5847] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... mkdir resumed>) = 0 [pid 5844] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5849] <... mkdir resumed>) = 0 [pid 5847] mkdir("./0", 0777 [pid 5843] mkdir("./syz-tmp/pivot", 0777 [pid 5846] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5849] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] <... mkdir resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5849] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5849] mkdir("./syz-tmp/pivot", 0777 [pid 5848] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5844] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5843] <... pivot_root resumed>) = 0 [pid 5849] <... mkdir resumed>) = 0 [pid 5846] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5844] <... mkdir resumed>) = 0 [pid 5846] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5849] <... pivot_root resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5847] <... openat resumed>) = 3 [pid 5846] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5844] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] chdir("/" [pid 5849] chdir("/" [pid 5848] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] ioctl(3, LOOP_CLR_FD [pid 5846] <... mkdir resumed>) = 0 [pid 5844] <... mount resumed>) = 0 [pid 5843] <... chdir resumed>) = 0 [pid 5849] <... chdir resumed>) = 0 [pid 5848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5847] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5846] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] umount2("./pivot", MNT_DETACH [pid 5849] umount2("./pivot", MNT_DETACH [pid 5848] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] close(3 [pid 5846] <... mount resumed>) = 0 [pid 5844] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5849] <... umount2 resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5844] <... mount resumed>) = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 5844] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] chroot("./newroot" [pid 5844] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] <... chroot resumed>) = 0 [pid 5844] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] chdir("/" [pid 5844] <... mount resumed>) = 0 [pid 5843] <... chdir resumed>) = 0 [pid 5843] mkdir("/dev/gadgetfs", 0777) = -1 EEXIST (File exists) [pid 5843] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5844] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5843] <... mount resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5844] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5849] chroot("./newroot" [pid 5848] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5847] <... close resumed>) = 0 [pid 5846] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mkdir("/dev/binderfs", 0777 [pid 5849] <... chroot resumed>) = 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5844] mkdir("./syz-tmp/pivot", 0777 [pid 5843] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5849] chdir("/" [pid 5846] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] <... mkdir resumed>) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5844] pivot_root("./syz-tmp", "./syz-tmp/pivot"./strace-static-x86_64: Process 5857 attached [pid 5849] <... chdir resumed>) = 0 [pid 5848] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] <... pivot_root resumed>) = 0 [pid 5843] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5849] mkdir("/dev/gadgetfs", 0777 [pid 5847] <... clone resumed>, child_tidptr=0x555564376650) = 2 [pid 5849] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5846] <... mount resumed>) = 0 [pid 5844] chdir("/" [pid 5857] set_robust_list(0x555564376660, 24 [pid 5849] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5843] <... mount resumed>) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5849] <... mount resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5857] chdir("./0" [pid 5848] mkdir("./syz-tmp/pivot", 0777 [pid 5844] umount2("./pivot", MNT_DETACH [pid 5843] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5857] <... chdir resumed>) = 0 [pid 5849] mkdir("/dev/binderfs", 0777 [pid 5848] <... mkdir resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5848] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5844] <... umount2 resumed>) = 0 [pid 5857] <... prctl resumed>) = 0 [pid 5846] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] chroot("./newroot" [pid 5857] setpgid(0, 0 [pid 5846] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5844] <... chroot resumed>) = 0 [pid 5848] <... pivot_root resumed>) = 0 [pid 5849] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5843] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5857] <... setpgid resumed>) = 0 [pid 5846] mkdir("./syz-tmp/pivot", 0777 [pid 5844] chdir("/" [pid 5846] <... mkdir resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] <... mount resumed>) = 0 [pid 5848] chdir("/" [pid 5844] <... chdir resumed>) = 0 [pid 5843] mkdir("./0", 0777 [pid 5849] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5848] <... chdir resumed>) = 0 [pid 5846] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5844] mkdir("/dev/gadgetfs", 0777 [pid 5843] <... mkdir resumed>) = 0 [pid 5849] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5857] <... openat resumed>) = 3 [pid 5849] mkdir("./0", 0777 [pid 5848] umount2("./pivot", MNT_DETACH [pid 5846] <... pivot_root resumed>) = 0 [pid 5844] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5844] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5846] chdir("/" [pid 5857] write(3, "1000", 4 [pid 5846] <... chdir resumed>) = 0 [pid 5844] <... mount resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5857] <... write resumed>) = 4 [pid 5849] <... mkdir resumed>) = 0 [pid 5848] <... umount2 resumed>) = 0 [pid 5846] umount2("./pivot", MNT_DETACH [pid 5857] close(3) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5848] chroot("./newroot" [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5857] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... umount2 resumed>) = 0 [pid 5844] mkdir("/dev/binderfs", 0777 [pid 5849] <... openat resumed>) = 3 [pid 5848] <... chroot resumed>) = 0 [pid 5846] chroot("./newroot" [pid 5844] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5843] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5857] <... symlink resumed>) = 0 [pid 5848] chdir("/" [pid 5846] <... chroot resumed>) = 0 [pid 5844] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5843] close(3executing program [pid 5849] ioctl(3, LOOP_CLR_FD [pid 5848] <... chdir resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5857] write(1, "executing program\n", 18 [pid 5849] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5848] mkdir("/dev/gadgetfs", 0777 [pid 5846] chdir("/" [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... write resumed>) = 18 [pid 5849] close(3 [pid 5848] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5844] <... mount resumed>) = 0 ./strace-static-x86_64: Process 5858 attached [pid 5857] memfd_create("syzkaller", 0 [pid 5849] <... close resumed>) = 0 [pid 5848] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5846] <... chdir resumed>) = 0 [pid 5844] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5858] set_robust_list(0x555564376660, 24 [pid 5844] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5858] <... set_robust_list resumed>) = 0 [pid 5858] chdir("./0" [pid 5846] mkdir("/dev/gadgetfs", 0777 [pid 5858] <... chdir resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5846] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5844] mkdir("./0", 0777 [pid 5843] <... clone resumed>, child_tidptr=0x555564376650) = 2 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5844] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5859 attached [pid 5858] setpgid(0, 0 [pid 5848] mkdir("/dev/binderfs", 0777 [pid 5846] <... mount resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5858] <... setpgid resumed>) = 0 [pid 5848] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... memfd_create resumed>) = 3 [pid 5844] <... openat resumed>) = 3 [pid 5848] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5846] mkdir("/dev/binderfs", 0777 [pid 5859] set_robust_list(0x555564376660, 24 [pid 5858] <... openat resumed>) = 3 [pid 5848] <... mount resumed>) = 0 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5858] write(3, "1000", 4) = 4 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5844] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] close(3 [pid 5857] <... mmap resumed>) = 0x7fec8b400000 [pid 5846] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5844] close(3 [pid 5859] chdir("./0" [pid 5858] <... close resumed>) = 0 [pid 5859] <... chdir resumed>) = 0 [pid 5858] symlink("/dev/binderfs", "./binderfs" [pid 5849] <... clone resumed>, child_tidptr=0x555564376650) = 2 [pid 5846] <... mount resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5858] <... symlink resumed>) = 0 [pid 5848] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached [pid 5859] setpgid(0, 0 [pid 5858] write(1, "executing program\n", 18 [pid 5848] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5858] <... write resumed>) = 18 [pid 5848] mkdir("./0", 0777 [pid 5860] set_robust_list(0x555564376660, 24 [pid 5858] memfd_create("syzkaller", 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5846] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] <... setpgid resumed>) = 0 [pid 5858] <... memfd_create resumed>) = 3 [pid 5848] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5860] chdir("./0" [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5848] <... openat resumed>) = 3 [pid 5860] <... chdir resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5848] ioctl(3, LOOP_CLR_FD [pid 5846] mkdir("./0", 0777 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] write(3, "1000", 4 [pid 5858] <... mmap resumed>) = 0x7fec8b400000 [pid 5848] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5846] <... mkdir resumed>) = 0 [pid 5860] <... prctl resumed>) = 0 [pid 5859] <... write resumed>) = 4 [pid 5848] close(3 [pid 5844] <... clone resumed>, child_tidptr=0x555564376650) = 2 [pid 5860] setpgid(0, 0) = 0 [pid 5848] <... close resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 ./strace-static-x86_64: Process 5861 attached [pid 5860] <... openat resumed>) = 3 [pid 5859] close(3 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5861] set_robust_list(0x555564376660, 24 [pid 5860] write(3, "1000", 4 [pid 5859] <... close resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x555564376650) = 2 [pid 5846] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] <... write resumed>) = 4 [pid 5859] symlink("/dev/binderfs", "./binderfs" [pid 5846] close(3 [pid 5861] chdir("./0" [pid 5860] close(3executing program [pid 5859] <... symlink resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5861] <... chdir resumed>) = 0 [pid 5860] <... close resumed>) = 0 [pid 5860] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] write(1, "executing program\n", 18 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... write resumed>) = 18 [pid 5860] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5862 attached ) = 3 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5862] set_robust_list(0x555564376660, 24 [pid 5860] <... mmap resumed>) = 0x7fec8b400000 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] <... prctl resumed>) = 0 [pid 5859] write(1, "executing program\n", 18 [pid 5846] <... clone resumed>, child_tidptr=0x555564376650) = 2 [pid 5862] chdir("./0") = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] setpgid(0, 0executing program ) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5861] setpgid(0, 0 [pid 5859] <... write resumed>) = 18 [pid 5861] <... setpgid resumed>) = 0 [pid 5862] <... openat resumed>) = 3 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] memfd_create("syzkaller", 0 [pid 5862] write(3, "1000", 4 [pid 5861] <... openat resumed>) = 3 [pid 5859] <... memfd_create resumed>) = 3 [pid 5861] write(3, "1000", 4 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5861] <... write resumed>) = 4 [pid 5862] <... write resumed>) = 4 [pid 5861] close(3 [pid 5859] <... mmap resumed>) = 0x7fec8b400000 [pid 5862] close(3 [pid 5861] <... close resumed>) = 0 [pid 5862] <... close resumed>) = 0 [pid 5862] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5862] write(1, "executing program\n", 18 [pid 5861] symlink("/dev/binderfs", "./binderfs"executing program [pid 5862] <... write resumed>) = 18 [pid 5861] <... symlink resumed>) = 0 [pid 5861] write(1, "executing program\n", 18 [pid 5862] memfd_create("syzkaller", 0) = 3 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fec8b400000 executing program [pid 5861] <... write resumed>) = 18 [pid 5861] memfd_create("syzkaller", 0) = 3 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fec8b400000 [pid 5857] 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 5858] 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 5859] 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 5860] 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 5862] 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 5861] 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 5857] <... write resumed>) = 16777216 [pid 5857] munmap(0x7fec8b400000, 138412032 [pid 5858] <... write resumed>) = 16777216 [pid 5858] munmap(0x7fec8b400000, 138412032 [pid 5859] <... write resumed>) = 16777216 [pid 5862] <... write resumed>) = 16777216 [pid 5859] munmap(0x7fec8b400000, 138412032 [pid 5862] munmap(0x7fec8b400000, 138412032 [pid 5860] <... write resumed>) = 16777216 [pid 5861] <... write resumed>) = 16777216 [pid 5861] munmap(0x7fec8b400000, 138412032 [pid 5860] munmap(0x7fec8b400000, 138412032 [pid 5857] <... munmap resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5857] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5857] close(3 [pid 5858] <... munmap resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 93.743589][ T5857] loop3: detected capacity change from 0 to 32768 [pid 5857] close(4 [pid 5858] ioctl(4, LOOP_SET_FD, 3 [pid 5857] <... close resumed>) = 0 [pid 5857] mkdir("./file1", 0777) = 0 [pid 5857] mount("/dev/loop3", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [pid 5862] <... munmap resumed>) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 5858] close(3) = 0 [pid 5858] close(4) = 0 [pid 5858] mkdir("./file1", 0777) = 0 [ 93.799505][ T5858] loop1: detected capacity change from 0 to 32768 [pid 5858] mount("/dev/loop1", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [pid 5862] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5859] <... munmap resumed>) = 0 [pid 5862] ioctl(4, LOOP_SET_FD, 3 [pid 5861] <... munmap resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 93.841115][ T5857] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 93.857119][ T5858] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.871162][ T5857] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 93.879919][ T5862] loop2: detected capacity change from 0 to 32768 [ 93.880920][ T5859] loop5: detected capacity change from 0 to 32768 [ 93.897250][ T5858] CPU: 1 UID: 0 PID: 5858 Comm: syz-executor322 Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) [ 93.897282][ T5858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 93.897297][ T5858] Call Trace: [ 93.897306][ T5858] [ 93.897316][ T5858] dump_stack_lvl+0x189/0x250 [ 93.897380][ T5858] ? kernfs_path_from_node+0x2c/0x260 [pid 5859] ioctl(4, LOOP_SET_FD, 3 [pid 5861] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5859] <... ioctl resumed>) = 0 [pid 5859] close(3) = 0 [pid 5859] close(4) = 0 [pid 5859] mkdir("./file1", 0777) = 0 [pid 5859] mount("/dev/loop5", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [pid 5860] <... munmap resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5860] ioctl(4, LOOP_SET_FD, 3 [pid 5862] <... ioctl resumed>) = 0 [pid 5861] <... openat resumed>) = 4 [pid 5862] close(3 [pid 5861] ioctl(4, LOOP_SET_FD, 3 [pid 5862] <... close resumed>) = 0 [pid 5860] <... ioctl resumed>) = 0 [pid 5862] close(4) = 0 [pid 5862] mkdir("./file1", 0777) = 0 [ 93.897418][ T5858] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.897457][ T5858] ? __pfx__printk+0x10/0x10 [ 93.897486][ T5858] ? kernfs_path_from_node+0x2c/0x260 [ 93.897515][ T5858] ? kernfs_path_from_node+0x2c/0x260 [ 93.897548][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.897577][ T5858] ? kernfs_path_from_node+0x22c/0x260 [ 93.897607][ T5858] ? kernfs_path_from_node+0x2c/0x260 [ 93.897642][ T5858] sysfs_create_dir_ns+0x259/0x280 [ 93.897677][ T5858] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 93.897711][ T5858] ? do_raw_spin_unlock+0x122/0x240 [ 93.897753][ T5858] kobject_add_internal+0x59f/0xb40 [ 93.897794][ T5858] kobject_init_and_add+0x125/0x190 [ 93.897825][ T5858] ? __pfx_kobject_init_and_add+0x10/0x10 [ 93.897851][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.897878][ T5858] ? __raw_spin_lock_init+0x45/0x100 [ 93.897908][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.897935][ T5858] ? __init_swait_queue_head+0xa9/0x150 [ 93.897968][ T5858] gfs2_sys_fs_add+0x237/0x470 [ 93.898011][ T5858] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [pid 5862] mount("/dev/loop2", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [pid 5860] close(3) = 0 [pid 5860] close(4) = 0 [ 93.898057][ T5858] ? is_dynamic_key+0xd6/0x1c0 [ 93.898090][ T5858] ? __pfx_alloc_workqueue+0x10/0x10 [ 93.898136][ T5858] gfs2_fill_super+0x1348/0x2010 [ 93.898186][ T5858] ? __pfx_gfs2_fill_super+0x10/0x10 [ 93.898214][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.898248][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.898276][ T5858] ? sb_set_blocksize+0x104/0x180 [ 93.898306][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.898334][ T5858] ? setup_bdev_super+0x4c1/0x5b0 [pid 5860] mkdir("./file1", 0777) = 0 [pid 5861] <... ioctl resumed>) = 0 [pid 5861] close(3) = 0 [pid 5861] close(4) = 0 [pid 5861] mkdir("./file1", 0777) = 0 [pid 5861] mount("/dev/loop4", "./file1", "gfs2", MS_NODIRATIME|MS_STRICTATIME, "quota_quantum=0x0000000000000004,suiddir,quota,barrier,acl,quota=off,discard,noloccookie,quota=on,lo"... [ 93.898364][ T5858] get_tree_bdev_flags+0x40e/0x4d0 [ 93.898390][ T5858] ? __pfx_gfs2_fill_super+0x10/0x10 [ 93.898421][ T5858] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 93.898447][ T5858] ? rcu_is_watching+0x15/0xb0 [ 93.898478][ T5858] gfs2_get_tree+0x51/0x1e0 [ 93.898511][ T5858] vfs_get_tree+0x92/0x2b0 [ 93.898540][ T5858] do_new_mount+0x24a/0xa40 [ 93.898579][ T5858] __se_sys_mount+0x317/0x410 [ 93.898616][ T5858] ? __pfx___se_sys_mount+0x10/0x10 [ 93.898643][ T5858] ? rcu_is_watching+0x15/0xb0 [ 93.898671][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.898699][ T5858] ? __x64_sys_mount+0x20/0xc0 [ 93.898731][ T5858] do_syscall_64+0xfa/0x3b0 [ 93.898760][ T5858] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.898796][ T5858] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.898818][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 93.898849][ T5858] ? exc_page_fault+0x9f/0xf0 [ 93.898887][ T5858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.898911][ T5858] RIP: 0033:0x7fec93895c5a [ 93.898932][ T5858] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 8e 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 [ 93.898952][ T5858] RSP: 002b:00007ffe55450bf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 93.898977][ T5858] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec93895c5a [ 93.898994][ T5858] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffe55450c50 [ 93.899012][ T5858] RBP: 0000000000000004 R08: 00007ffe55450c90 R09: 00000000000125dc [ 93.899028][ T5858] R10: 0000000001000800 R11: 0000000000000282 R12: 0000000001000000 [ 93.899043][ T5858] R13: 00007ffe55450c90 R14: 0000200000001c00 R15: 0000000000000003 [ 93.899079][ T5858] [ 93.899112][ T5858] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.947414][ T5860] loop0: detected capacity change from 0 to 32768 [ 93.970062][ T5861] loop4: detected capacity change from 0 to 32768 [ 93.973191][ T5858] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.116374][ T5857] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 94.312286][ T5862] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.323713][ T5859] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.338976][ T5861] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.341003][ T5862] CPU: 1 UID: 0 PID: 5862 Comm: syz-executor322 Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) [ 94.341033][ T5862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.341047][ T5862] Call Trace: [ 94.341057][ T5862] [ 94.341067][ T5862] dump_stack_lvl+0x189/0x250 [ 94.341110][ T5862] ? kernfs_path_from_node+0x2c/0x260 [ 94.341145][ T5862] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.341183][ T5862] ? __pfx__printk+0x10/0x10 [ 94.341212][ T5862] ? kernfs_path_from_node+0x2c/0x260 [ 94.341241][ T5862] ? kernfs_path_from_node+0x2c/0x260 [ 94.341274][ T5862] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.341302][ T5862] ? kernfs_path_from_node+0x22c/0x260 [ 94.341331][ T5862] ? kernfs_path_from_node+0x2c/0x260 [ 94.341367][ T5862] sysfs_create_dir_ns+0x259/0x280 [ 94.341400][ T5862] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 94.341433][ T5862] ? do_raw_spin_unlock+0x122/0x240 [ 94.341468][ T5862] kobject_add_internal+0x59f/0xb40 [ 94.341504][ T5862] kobject_init_and_add+0x125/0x190 [ 94.341535][ T5862] ? __pfx_kobject_init_and_add+0x10/0x10 [ 94.341560][ T5862] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.341587][ T5862] ? __raw_spin_lock_init+0x45/0x100 [ 94.341616][ T5862] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.341642][ T5862] ? __init_swait_queue_head+0xa9/0x150 [ 94.341675][ T5862] gfs2_sys_fs_add+0x237/0x470 [ 94.341717][ T5862] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 94.341768][ T5862] ? is_dynamic_key+0xd6/0x1c0 [ 94.341801][ T5862] ? __pfx_alloc_workqueue+0x10/0x10 [ 94.341848][ T5862] gfs2_fill_super+0x1348/0x2010 [ 94.341897][ T5862] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.341923][ T5862] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.341957][ T5862] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.341984][ T5862] ? sb_set_blocksize+0x104/0x180 [ 94.342014][ T5862] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.342040][ T5862] ? setup_bdev_super+0x4c1/0x5b0 [ 94.342070][ T5862] get_tree_bdev_flags+0x40e/0x4d0 [ 94.342095][ T5862] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.342125][ T5862] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 94.342152][ T5862] ? rcu_is_watching+0x15/0xb0 [ 94.342182][ T5862] gfs2_get_tree+0x51/0x1e0 [ 94.342215][ T5862] vfs_get_tree+0x92/0x2b0 [ 94.342243][ T5862] do_new_mount+0x24a/0xa40 [ 94.342282][ T5862] __se_sys_mount+0x317/0x410 [ 94.342318][ T5862] ? __pfx___se_sys_mount+0x10/0x10 [ 94.342344][ T5862] ? rcu_is_watching+0x15/0xb0 [ 94.342372][ T5862] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.342399][ T5862] ? __x64_sys_mount+0x20/0xc0 [ 94.342430][ T5862] do_syscall_64+0xfa/0x3b0 [ 94.342451][ T5862] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.342486][ T5862] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.342508][ T5862] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.342535][ T5862] ? exc_page_fault+0x9f/0xf0 [ 94.342571][ T5862] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.342595][ T5862] RIP: 0033:0x7fec93895c5a [ 94.342618][ T5862] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 8e 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 [ 94.342638][ T5862] RSP: 002b:00007ffe55450bf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.342663][ T5862] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec93895c5a [ 94.342679][ T5862] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffe55450c50 [ 94.342697][ T5862] RBP: 0000000000000004 R08: 00007ffe55450c90 R09: 00000000000125dc [ 94.342712][ T5862] R10: 0000000001000800 R11: 0000000000000282 R12: 0000000001000000 [ 94.342728][ T5862] R13: 00007ffe55450c90 R14: 0000200000001c00 R15: 0000000000000003 [ 94.342770][ T5862] [ 94.342798][ T5862] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.354940][ T5858] ================================================================== [ 94.367373][ T5862] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.369407][ T5858] BUG: KASAN: null-ptr-deref in gfs2_drop_inode+0x20c/0x3a0 [ 94.373951][ T5859] CPU: 1 UID: 0 PID: 5859 Comm: syz-executor322 Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) [ 94.373982][ T5859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.373997][ T5859] Call Trace: [ 94.374007][ T5859] [ 94.374017][ T5859] dump_stack_lvl+0x189/0x250 [ 94.374060][ T5859] ? kernfs_path_from_node+0x2c/0x260 [ 94.374095][ T5859] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.374133][ T5859] ? __pfx__printk+0x10/0x10 [ 94.374163][ T5859] ? kernfs_path_from_node+0x2c/0x260 [ 94.374192][ T5859] ? kernfs_path_from_node+0x2c/0x260 [ 94.374225][ T5859] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.374253][ T5859] ? kernfs_path_from_node+0x22c/0x260 [ 94.374283][ T5859] ? kernfs_path_from_node+0x2c/0x260 [ 94.374318][ T5859] sysfs_create_dir_ns+0x259/0x280 [ 94.374354][ T5859] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 94.374387][ T5859] ? do_raw_spin_unlock+0x122/0x240 [ 94.374422][ T5859] kobject_add_internal+0x59f/0xb40 [ 94.374458][ T5859] kobject_init_and_add+0x125/0x190 [ 94.374510][ T5859] ? __pfx_kobject_init_and_add+0x10/0x10 [ 94.374535][ T5859] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.374562][ T5859] ? __raw_spin_lock_init+0x45/0x100 [ 94.374591][ T5859] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.374618][ T5859] ? __init_swait_queue_head+0xa9/0x150 [ 94.374651][ T5859] gfs2_sys_fs_add+0x237/0x470 [ 94.374693][ T5859] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 94.374737][ T5859] ? is_dynamic_key+0xd6/0x1c0 [ 94.374776][ T5859] ? __pfx_alloc_workqueue+0x10/0x10 [ 94.374822][ T5859] gfs2_fill_super+0x1348/0x2010 [ 94.374871][ T5859] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.374897][ T5859] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.374931][ T5859] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.374957][ T5859] ? sb_set_blocksize+0x104/0x180 [ 94.374988][ T5859] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.375015][ T5859] ? setup_bdev_super+0x4c1/0x5b0 [ 94.375044][ T5859] get_tree_bdev_flags+0x40e/0x4d0 [ 94.375069][ T5859] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.375099][ T5859] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 94.375125][ T5859] ? rcu_is_watching+0x15/0xb0 [ 94.375155][ T5859] gfs2_get_tree+0x51/0x1e0 [ 94.375188][ T5859] vfs_get_tree+0x92/0x2b0 [ 94.375217][ T5859] do_new_mount+0x24a/0xa40 [ 94.375255][ T5859] __se_sys_mount+0x317/0x410 [ 94.375291][ T5859] ? __pfx___se_sys_mount+0x10/0x10 [ 94.375317][ T5859] ? rcu_is_watching+0x15/0xb0 [ 94.375345][ T5859] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.375372][ T5859] ? __x64_sys_mount+0x20/0xc0 [ 94.375403][ T5859] do_syscall_64+0xfa/0x3b0 [ 94.375424][ T5859] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.375459][ T5859] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.375481][ T5859] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.375507][ T5859] ? exc_page_fault+0x9f/0xf0 [ 94.375544][ T5859] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.375567][ T5859] RIP: 0033:0x7fec93895c5a [ 94.375589][ T5859] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 8e 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 [ 94.375608][ T5859] RSP: 002b:00007ffe55450bf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.375633][ T5859] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec93895c5a [ 94.375649][ T5859] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffe55450c50 [ 94.375667][ T5859] RBP: 0000000000000004 R08: 00007ffe55450c90 R09: 00000000000125dc [ 94.375682][ T5859] R10: 0000000001000800 R11: 0000000000000282 R12: 0000000001000000 [ 94.375698][ T5859] R13: 00007ffe55450c90 R14: 0000200000001c00 R15: 0000000000000003 [ 94.375734][ T5859] [ 94.375770][ T5859] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.380244][ T5858] Read of size 8 at addr 00000000000000a8 by task syz-executor322/5858 [ 94.380264][ T5858] [ 94.380275][ T5858] CPU: 0 UID: 0 PID: 5858 Comm: syz-executor322 Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) [ 94.380305][ T5858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.380319][ T5858] Call Trace: [ 94.380327][ T5858] [ 94.380336][ T5858] dump_stack_lvl+0x189/0x250 [ 94.380381][ T5858] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.380418][ T5858] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 94.380453][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.380486][ T5858] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.380531][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.380560][ T5858] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.380593][ T5858] kasan_report+0x118/0x150 [ 94.380622][ T5858] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.380661][ T5858] kasan_check_range+0x2b0/0x2c0 [ 94.380689][ T5858] gfs2_drop_inode+0x20c/0x3a0 [ 94.380726][ T5858] iput+0x45d/0x9d0 [ 94.380760][ T5858] gfs2_fill_super+0x1418/0x2010 [ 94.380800][ T5858] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.380828][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.380858][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.380885][ T5858] ? sb_set_blocksize+0x104/0x180 [ 94.380913][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.380941][ T5858] ? setup_bdev_super+0x4c1/0x5b0 [ 94.380967][ T5858] get_tree_bdev_flags+0x40e/0x4d0 [ 94.380991][ T5858] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.381020][ T5858] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 94.381045][ T5858] ? rcu_is_watching+0x15/0xb0 [ 94.381071][ T5858] gfs2_get_tree+0x51/0x1e0 [ 94.381101][ T5858] vfs_get_tree+0x92/0x2b0 [ 94.381127][ T5858] do_new_mount+0x24a/0xa40 [ 94.381159][ T5858] __se_sys_mount+0x317/0x410 [ 94.381191][ T5858] ? __pfx___se_sys_mount+0x10/0x10 [ 94.381218][ T5858] ? rcu_is_watching+0x15/0xb0 [ 94.381243][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.381270][ T5858] ? __x64_sys_mount+0x20/0xc0 [ 94.381299][ T5858] do_syscall_64+0xfa/0x3b0 [ 94.381321][ T5858] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.381355][ T5858] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.381378][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.381405][ T5858] ? exc_page_fault+0x9f/0xf0 [ 94.381440][ T5858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.381463][ T5858] RIP: 0033:0x7fec93895c5a [ 94.381483][ T5858] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 8e 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 [ 94.381508][ T5858] RSP: 002b:00007ffe55450bf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.381531][ T5858] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec93895c5a [ 94.381549][ T5858] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffe55450c50 [ 94.381566][ T5858] RBP: 0000000000000004 R08: 00007ffe55450c90 R09: 00000000000125dc [ 94.381582][ T5858] R10: 0000000001000800 R11: 0000000000000282 R12: 0000000001000000 [ 94.381598][ T5858] R13: 00007ffe55450c90 R14: 0000200000001c00 R15: 0000000000000003 [ 94.381625][ T5858] [ 94.381633][ T5858] ================================================================== [ 94.382012][ T5858] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 94.382029][ T5858] CPU: 0 UID: 0 PID: 5858 Comm: syz-executor322 Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) [ 94.382058][ T5858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.382072][ T5858] Call Trace: [ 94.382081][ T5858] [ 94.382091][ T5858] dump_stack_lvl+0x99/0x250 [ 94.382131][ T5858] ? __asan_memcpy+0x40/0x70 [ 94.382169][ T5858] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.382207][ T5858] ? __pfx__printk+0x10/0x10 [ 94.382237][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.382268][ T5858] panic+0x2db/0x790 [ 94.382303][ T5858] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.382343][ T5858] ? __pfx_panic+0x10/0x10 [ 94.382383][ T5858] ? _raw_spin_unlock_irqrestore+0xa8/0x110 [ 94.382417][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.382445][ T5858] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 94.382479][ T5858] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 94.382517][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.382549][ T5858] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.382584][ T5858] check_panic_on_warn+0x89/0xb0 [ 94.382616][ T5858] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.382649][ T5858] end_report+0x78/0x160 [ 94.382675][ T5858] kasan_report+0x129/0x150 [ 94.382703][ T5858] ? gfs2_drop_inode+0x20c/0x3a0 [ 94.382742][ T5858] kasan_check_range+0x2b0/0x2c0 [ 94.382772][ T5858] gfs2_drop_inode+0x20c/0x3a0 [ 94.382809][ T5858] iput+0x45d/0x9d0 [ 94.382842][ T5858] gfs2_fill_super+0x1418/0x2010 [ 94.382882][ T5858] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.382910][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.382941][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.382969][ T5858] ? sb_set_blocksize+0x104/0x180 [ 94.382998][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.383026][ T5858] ? setup_bdev_super+0x4c1/0x5b0 [ 94.383053][ T5858] get_tree_bdev_flags+0x40e/0x4d0 [ 94.383077][ T5858] ? __pfx_gfs2_fill_super+0x10/0x10 [ 94.383106][ T5858] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 94.383131][ T5858] ? rcu_is_watching+0x15/0xb0 [ 94.383157][ T5858] gfs2_get_tree+0x51/0x1e0 [ 94.383186][ T5858] vfs_get_tree+0x92/0x2b0 [ 94.383213][ T5858] do_new_mount+0x24a/0xa40 [ 94.383245][ T5858] __se_sys_mount+0x317/0x410 [ 94.383277][ T5858] ? __pfx___se_sys_mount+0x10/0x10 [ 94.383304][ T5858] ? rcu_is_watching+0x15/0xb0 [ 94.383329][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.383357][ T5858] ? __x64_sys_mount+0x20/0xc0 [ 94.383387][ T5858] do_syscall_64+0xfa/0x3b0 [ 94.383407][ T5858] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.383442][ T5858] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.383465][ T5858] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.383499][ T5858] ? exc_page_fault+0x9f/0xf0 [ 94.383534][ T5858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.383557][ T5858] RIP: 0033:0x7fec93895c5a [ 94.383577][ T5858] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 8e 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 [ 94.383596][ T5858] RSP: 002b:00007ffe55450bf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 94.383621][ T5858] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec93895c5a [ 94.383639][ T5858] RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007ffe55450c50 [ 94.383657][ T5858] RBP: 0000000000000004 R08: 00007ffe55450c90 R09: 00000000000125dc [ 94.383674][ T5858] R10: 0000000001000800 R11: 0000000000000282 R12: 0000000001000000 [ 94.383690][ T5858] R13: 00007ffe55450c90 R14: 0000200000001c00 R15: 0000000000000003 [ 94.383717][ T5858] [ 94.388603][ T5858] Kernel Offset: disabled