./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3628415124

<...>
Warning: Permanently added '10.128.1.78' (ED25519) to the list of known hosts.
execve("./syz-executor3628415124", ["./syz-executor3628415124"], 0x7ffc5d347290 /* 10 vars */) = 0
brk(NULL)                               = 0x5555847ed000
brk(0x5555847edd00)                     = 0x5555847edd00
arch_prctl(ARCH_SET_FS, 0x5555847ed380) = 0
set_tid_address(0x5555847ed650)         = 357
set_robust_list(0x5555847ed660, 24)     = 0
rseq(0x5555847edca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3628415124", 4096) = 28
getrandom("\x14\x60\xaa\x33\xe2\x80\xad\x63", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555847edd00
brk(0x55558480ed00)                     = 0x55558480ed00
brk(0x55558480f000)                     = 0x55558480f000
mprotect(0x7fa76f1dd000, 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
mkdir("./syzkaller.Y9b7pb", 0700)       = 0
chmod("./syzkaller.Y9b7pb", 0777)       = 0
chdir("./syzkaller.Y9b7pb")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555847ed650) = 358
./strace-static-x86_64: Process 358 attached
[pid   358] set_robust_list(0x5555847ed660, 24) = 0
[pid   358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   358] getppid()                   = 0
[pid   358] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   358] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   358] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   358] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   358] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   358] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   358] unshare(CLONE_NEWNS)        = 0
[pid   358] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   358] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   358] unshare(CLONE_NEWCGROUP)    = 0
[pid   358] unshare(CLONE_NEWUTS)       = 0
[pid   358] unshare(CLONE_SYSVSEM)      = 0
[pid   358] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   358] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   358] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   358] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   358] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   358] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   358] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   358] getpid()                    = 1
[pid   358] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ, inheritable=0}) = 0
[pid   358] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ, inheritable=0}) = 0
[pid   358] unshare(CLONE_NEWNET)       = 0
[pid   358] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   358] write(3, "0 65535", 7)      = 7
[pid   358] close(3)                    = 0
[pid   358] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3
[pid   358] dup2(3, 200)                = 200
[pid   358] close(3)                    = 0
[pid   358] ioctl(200, TUNSETIFF, 0x7ffc58c2c630) = 0
[pid   358] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3
[pid   358] write(3, "0", 1)            = 1
[pid   358] close(3)                    = 0
[pid   358] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3
[pid   358] write(3, "0", 1)            = 1
[pid   358] close(3)                    = 0
[pid   358] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid   358] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   358] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   358] close(4)                    = 0
[   22.605576][   T23] audit: type=1400 audit(1745848934.310:66): avc:  denied  { execmem } for  pid=357 comm="syz-executor362" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.624829][   T23] audit: type=1400 audit(1745848934.330:67): avc:  denied  { mounton } for  pid=358 comm="syz-executor362" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   358] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 40
[pid   358] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid   358] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   358] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   358] close(4)                    = 0
[pid   358] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64
[pid   358] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid   358] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   358] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   358] close(4)                    = 0
[pid   358] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 48
[pid   358] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid   358] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   358] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   358] close(4)                    = 0
[pid   358] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 60
[pid   358] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid   358] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   358] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   358] close(4)                    = 0
[pid   358] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44
[pid   358] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid   358] close(3)                    = 0
[pid   358] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   358] write(3, "100000", 6)       = 6
[pid   358] close(3)                    = 0
[pid   358] mkdir("./syz-tmp", 0777)    = 0
[pid   358] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   358] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   358] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   358] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   358] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   358] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   358] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   358] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   358] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   358] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   358] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   358] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   358] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   358] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   358] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   358] 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   358] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   358] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   358] chdir("/")                  = 0
[pid   358] umount2("./pivot", MNT_DETACH) = 0
[pid   358] chroot("./newroot")         = 0
[pid   358] chdir("/")                  = 0
[   22.657377][   T23] audit: type=1400 audit(1745848934.360:68): avc:  denied  { create } for  pid=354 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1
[   22.678108][   T23] audit: type=1400 audit(1745848934.360:69): avc:  denied  { write } for  pid=354 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1
[pid   358] mkdir("/dev/gadgetfs", 0777) = 0
[pid   358] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   358] mkdir("/dev/binderfs", 0777) = 0
[pid   358] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   358] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   358] mkdir("./0", 0777)          = 0
[pid   358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   358] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   358] close(3)                    = 0
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555847ed650) = 2
./strace-static-x86_64: Process 360 attached
[pid   360] set_robust_list(0x5555847ed660, 24) = 0
[pid   360] chdir("./0"executing program
)                = 0
[pid   360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   360] setpgid(0, 0)               = 0
[pid   360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   360] write(3, "1000", 4)         = 4
[pid   360] close(3)                    = 0
[pid   360] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110
[pid   360] read(200, 0x7ffc58c2bfd0, 1000) = -1 EAGAIN (Resource temporarily unavailable)
[pid   360] symlink("/dev/binderfs", "./binderfs") = 0
[pid   360] write(1, "executing program\n", 18) = 18
[pid   360] memfd_create("syzkaller", 0) = 3
[pid   360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa766d16000
[   22.698696][   T23] audit: type=1400 audit(1745848934.360:70): avc:  denied  { nlmsg_read } for  pid=354 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1
[   22.700374][  T358] request_module fs-gadgetfs succeeded, but still no fs?
[   22.719733][   T23] audit: type=1400 audit(1745848934.360:71): avc:  denied  { module_request } for  pid=354 comm="strace-static-x" kmod="net-pf-16-proto-4-type-16" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[   22.750009][   T23] audit: type=1400 audit(1745848934.360:72): avc:  denied  { read } for  pid=354 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1
[   22.770401][   T23] audit: type=1400 audit(1745848934.380:73): avc:  denied  { mounton } for  pid=358 comm="syz-executor362" path="/root/syzkaller.Y9b7pb/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.794637][   T23] audit: type=1400 audit(1745848934.380:74): avc:  denied  { mount } for  pid=358 comm="syz-executor362" name="/" dev="tmpfs" ino=11004 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   22.816901][   T23] audit: type=1400 audit(1745848934.380:75): avc:  denied  { mounton } for  pid=358 comm="syz-executor362" path="/root/syzkaller.Y9b7pb/syz-tmp/newroot/dev" dev="tmpfs" ino=11006 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[pid   360] 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"..., 67108864) = 67108864
[pid   360] munmap(0x7fa766d16000, 138412032) = 0
[pid   360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   360] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   360] close(3)                    = 0
[pid   360] close(4)                    = 0
[pid   360] mkdir("./file0", 0777)      = 0
[   23.070502][  T360] F2FS-fs (loop0): Wrong CP boundary, start(512) end(198144) blocks(1024)
[   23.079137][  T360] F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock
[   23.094288][  T360] F2FS-fs (loop0): invalid crc value
[   23.100906][  T360] F2FS-fs (loop0): Found nat_bits in checkpoint
[pid   360] mount("/dev/loop0", "./file0", "f2fs", 0, "") = 0
[pid   360] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   360] chdir("./file0")            = 0
[pid   360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   360] ioctl(4, LOOP_CLR_FD)       = 0
[pid   360] close(4)                    = 0
[pid   360] openat(AT_FDCWD, "./file2", O_RDWR|O_CREAT, 0452) = -1 ENODATA (No data available)
[pid   360] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid   360] clone(child_stack=NULL, flags=0./strace-static-x86_64: Process 369 attached
) = 3
[pid   360] close(3)                    = 0
[pid   360] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   360] exit_group(0)               = ?
[pid   360] +++ exited with 0 +++
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=11, si_stime=27} ---
[pid   358] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   358] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   358] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   358] getdents64(3, 0x5555847ee6f0 /* 4 entries */, 32768) = 112
[pid   358] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   358] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0755, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   358] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   358] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   358] getdents64(4, 0x5555847f6730 /* 7 entries */, 32768) = 448
[pid   358] umount2("./0/file0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./0/file0/file1", {st_mode=S_IFREG|0755, st_size=10, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   23.122296][  T360] F2FS-fs (loop0): Try to recover 2th superblock, ret: 0
[   23.129151][  T360] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4
[   23.148870][  T360] fscrypt (loop0, inode 8): Error -61 getting encryption context
[pid   358] unlink("./0/file0/file1")   = 0
[pid   358] umount2("./0/file0/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./0/file0/file2", {st_mode=S_IFREG|0755, st_size=9000, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./0/file0/file2")   = 0
[pid   358] umount2("./0/file0/file3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./0/file0/file3", {st_mode=S_IFREG|0755, st_size=9000, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   23.182035][  T358] F2FS-fs (loop0): dec_valid_node_count: inconsistent i_blocks, ino:7, iblocks:0
[   23.193611][  T358] ------------[ cut here ]------------
[   23.198893][  T358] WARNING: CPU: 0 PID: 358 at fs/f2fs/inode.c:839 f2fs_evict_inode+0xf29/0x1240
[   23.207732][  T358] Modules linked in:
[   23.211467][  T358] CPU: 0 PID: 358 Comm: syz-executor362 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
[   23.221449][  T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   23.231351][  T358] RIP: 0010:f2fs_evict_inode+0xf29/0x1240
[   23.236906][  T358] Code: e9 49 f4 ff ff e8 e7 ee 7c ff 4d 89 ec eb 05 e8 dd ee 7c ff 4c 8b 75 c8 48 89 df e8 31 73 02 00 e9 00 fd ff ff e8 c7 ee 7c ff <0f> 0b 4c 89 f7 be 08 00 00 00 e8 08 c3 aa ff f0 41 80 0e 04 e9 de
[   23.256342][  T358] RSP: 0018:ffff8881ee517b80 EFLAGS: 00010293
[   23.262242][  T358] RAX: ffffffff81e29019 RBX: ffff8881dcba5c70 RCX: ffff8881ee529f80
[   23.270063][  T358] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[pid   358] unlink("./0/file0/file3" <unfinished ...>
[pid   369] exit(0)                     = ?
[pid   369] +++ exited with 0 +++
[   23.277870][  T358] RBP: ffff8881ee517c30 R08: dffffc0000000000 R09: ffffed103b974be6
[   23.285680][  T358] R10: ffffed103b974be6 R11: 1ffff1103b974be5 R12: dffffc0000000000
[   23.293492][  T358] R13: dffffc0000000000 R14: ffff8881ee6ae050 R15: 0000000000000002
[   23.301306][  T358] FS:  00005555847ed380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   23.310071][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.316501][  T358] CR2: 00007ffc58c29f88 CR3: 00000001f0d9e000 CR4: 00000000003406b0
[   23.324309][  T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.332120][  T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.339926][  T358] Call Trace:
[   23.343063][  T358]  ? f2fs_write_inode+0x8c0/0x8c0
[   23.347923][  T358]  evict+0x465/0x880
[   23.351650][  T358]  ? asan.module_dtor+0x20/0x20
[   23.356336][  T358]  ? mode_strip_sgid+0x150/0x150
[   23.361112][  T358]  ? _atomic_dec_and_lock+0x16f/0x200
[   23.366317][  T358]  ? __kasan_check_read+0x11/0x20
[   23.371178][  T358]  iput+0x67d/0x810
[   23.374823][  T358]  do_unlinkat+0x33f/0x670
[   23.379079][  T358]  ? fsnotify_link_count+0x90/0x90
[   23.384025][  T358]  ? getname_flags+0x206/0x500
[   23.388623][  T358]  __x64_sys_unlink+0x49/0x50
[   23.393139][  T358]  do_syscall_64+0xcf/0x170
[   23.397477][  T358]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   23.403204][  T358] RIP: 0033:0x7fa76f155917
[   23.407466][  T358] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 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
[pid   358] <... unlink resumed>)       = 0
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   358] umount2("./0/file0/file.cold", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./0/file0/file.cold", {st_mode=S_IFREG|0755, st_size=100, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   23.427125][  T358] RSP: 002b:00007ffc58c2a1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
[   23.435340][  T358] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa76f155917
[   23.443158][  T358] RDX: 00007ffc58c2a210 RSI: 00007ffc58c2a2a0 RDI: 00007ffc58c2a2a0
[   23.450974][  T358] RBP: 00007ffc58c2a2a0 R08: 0000000000000000 R09: 0000000000000000
[   23.458782][  T358] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc58c2b390
[   23.466585][  T358] R13: 00005555847f6700 R14: 0000000000000001 R15: 431bde82d7b634db
[   23.474486][  T358] ---[ end trace 68e4ad7cb2ed9302 ]---
[   23.482568][  T358] ------------[ cut here ]------------
[   23.487843][  T358] WARNING: CPU: 0 PID: 358 at fs/inode.c:302 drop_nlink+0xc5/0x110
[   23.495648][  T358] Modules linked in:
[   23.499378][  T358] CPU: 0 PID: 358 Comm: syz-executor362 Tainted: G        W         5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
[   23.510744][  T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   23.520644][  T358] RIP: 0010:drop_nlink+0xc5/0x110
[   23.525500][  T358] Code: 1b 48 8d bb d0 04 00 00 be 08 00 00 00 e8 b3 a4 f3 ff f0 48 ff 83 d0 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4b d0 c5 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   23.544946][  T358] RSP: 0018:ffff8881ee517b98 EFLAGS: 00010293
[   23.550843][  T358] RAX: ffffffff8199ae95 RBX: ffff8881dcbb6750 RCX: ffff8881ee529f80
[   23.558655][  T358] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.566477][  T358] RBP: ffff8881ee517bc0 R08: dffffc0000000000 R09: ffff8881ee517b40
[   23.574286][  T358] R10: ffffed103dca2f6a R11: 1ffff1103dca2f68 R12: dffffc0000000000
[   23.582092][  T358] R13: 1ffff1103b976cf3 R14: ffff8881dcbb6798 R15: 0000000000000000
[   23.589905][  T358] FS:  00005555847ed380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   23.598672][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.605103][  T358] CR2: 00007ffc58c29f88 CR3: 00000001f0d9e000 CR4: 00000000003406b0
[   23.612912][  T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.620716][  T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.628531][  T358] Call Trace:
[   23.631661][  T358]  f2fs_drop_nlink+0x148/0x3a0
[   23.636358][  T358]  ? f2fs_mark_inode_dirty_sync+0x110/0x140
[   23.642098][  T358]  f2fs_delete_entry+0x9d5/0xaf0
[   23.646874][  T358]  f2fs_unlink+0x347/0x840
[   23.651134][  T358]  ? f2fs_link+0x730/0x730
[   23.655391][  T358]  ? down_write+0xac/0x110
[   23.659634][  T358]  ? selinux_inode_unlink+0x22/0x30
[   23.664680][  T358]  ? security_inode_unlink+0xd0/0x120
[   23.669874][  T358]  vfs_unlink+0x321/0x540
[   23.674044][  T358]  do_unlinkat+0x2e9/0x670
[   23.678307][  T358]  ? fsnotify_link_count+0x90/0x90
[   23.683245][  T358]  ? getname_flags+0x206/0x500
[   23.687851][  T358]  __x64_sys_unlink+0x49/0x50
[   23.692357][  T358]  do_syscall_64+0xcf/0x170
[   23.696729][  T358]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   23.702422][  T358] RIP: 0033:0x7fa76f155917
[   23.706681][  T358] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 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
[   23.726206][  T358] RSP: 002b:00007ffc58c2a1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
[pid   358] unlink("./0/file0/file.cold") = 0
[pid   358] umount2("./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0755, st_size=3488, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] umount2("./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] openat(AT_FDCWD, "./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   358] newfstatat(5, "", {st_mode=S_IFDIR|0755, st_size=3488, ...}, AT_EMPTY_PATH) = 0
[pid   358] getdents64(5, 0x5555847fe770 /* 4 entries */, 32768) = 112
[pid   358] umount2("./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory)
[pid   358] newfstatat(AT_FDCWD, "./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", 0x7ffc58c29120, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory)
[pid   358] exit_group(1)               = ?
[   23.734549][  T358] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa76f155917
[   23.742371][  T358] RDX: 00007ffc58c2a210 RSI: 00007ffc58c2a2a0 RDI: 00007ffc58c2a2a0
[   23.750175][  T358] RBP: 00007ffc58c2a2a0 R08: 0000000000000000 R09: 0000000000000000
[   23.757988][  T358] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc58c2b390
[   23.765801][  T358] R13: 00005555847f6700 R14: 0000000000000001 R15: 431bde82d7b634db
[   23.773613][  T358] ---[ end trace 68e4ad7cb2ed9303 ]---
[   23.871829][  T358] ==================================================================
[   23.879841][  T358] BUG: KASAN: use-after-free in __list_del_entry_valid+0xa6/0x120
[   23.887468][  T358] Read of size 8 at addr ffff8881dcba5fd0 by task syz-executor362/358
[   23.895444][  T358] 
[   23.897616][  T358] CPU: 1 PID: 358 Comm: syz-executor362 Tainted: G        W         5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
[   23.908985][  T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   23.918877][  T358] Call Trace:
[   23.922012][  T358]  __dump_stack+0x1e/0x20
[   23.926171][  T358]  dump_stack+0x15b/0x1b8
[   23.930338][  T358]  ? show_regs_print_info+0x18/0x18
[   23.935376][  T358]  ? vprintk_func+0x19a/0x1e0
[   23.939890][  T358]  ? printk+0xcc/0x110
[   23.943790][  T358]  ? __list_del_entry_valid+0xa6/0x120
[   23.949095][  T358]  print_address_description+0x8d/0x4c0
[   23.954472][  T358]  ? thaw_kernel_threads+0x220/0x220
[   23.959591][  T358]  ? __list_del_entry_valid+0xa6/0x120
[   23.964995][  T358]  ? __list_del_entry_valid+0xa6/0x120
[   23.970271][  T358]  __kasan_report+0xef/0x120
[   23.974697][  T358]  ? __list_del_entry_valid+0xa6/0x120
[   23.980000][  T358]  kasan_report+0x30/0x60
[   23.984168][  T358]  __asan_report_load8_noabort+0x14/0x20
[   23.989624][  T358]  __list_del_entry_valid+0xa6/0x120
[   23.994764][  T358]  f2fs_inode_synced+0xf4/0x2d0
[   23.999433][  T358]  ? set_page_dirty+0x19f/0x310
[   24.004284][  T358]  f2fs_update_inode+0x77/0x1aa0
[   24.009090][  T358]  ? __get_node_page+0x459/0x7b0
[   24.013830][  T358]  f2fs_write_inode+0x5a1/0x8c0
[   24.018512][  T358]  __writeback_single_inode+0x4e2/0xc30
[   24.023906][  T358]  ? wbc_attach_and_unlock_inode+0x3b3/0x5b0
[   24.029791][  T358]  writeback_single_inode+0x216/0x630
[   24.035000][  T358]  ? write_inode_now+0x240/0x240
[   24.039775][  T358]  ? __kasan_check_write+0x14/0x20
[   24.044738][  T358]  ? _atomic_dec_and_lock+0x17b/0x200
[   24.049933][  T358]  sync_inode_metadata+0xa8/0xf0
[   24.054726][  T358]  ? sync_inode+0x30/0x30
[   24.059344][  T358]  ? iput+0x305/0x810
[   24.063146][  T358]  ? _raw_spin_unlock+0x4d/0x70
[   24.067963][  T358]  f2fs_sync_inode_meta+0x167/0x280
[   24.073085][  T358]  f2fs_write_checkpoint+0x9f0/0x1c50
[   24.078275][  T358]  ? _raw_spin_unlock_irq+0x4e/0x70
[   24.083322][  T358]  ? f2fs_get_sectors_written+0x520/0x520
[   24.088872][  T358]  ? __kasan_check_write+0x14/0x20
[   24.094527][  T358]  ? kthread_stop+0x17d/0x480
[   24.100122][  T358]  kill_f2fs_super+0x231/0x390
[   24.104683][  T358]  ? slab_free_freelist_hook+0xb7/0x180
[   24.110084][  T358]  ? f2fs_mount+0x40/0x40
[   24.114392][  T358]  ? unregister_shrinker+0x1fd/0x270
[   24.119596][  T358]  deactivate_locked_super+0xa0/0x100
[   24.124802][  T358]  deactivate_super+0x14f/0x1d0
[   24.129473][  T358]  ? __kasan_check_write+0x14/0x20
[   24.134428][  T358]  ? deactivate_locked_super+0x100/0x100
[   24.139890][  T358]  ? fast_dput+0x83/0x290
[   24.144256][  T358]  cleanup_mnt+0x446/0x500
[   24.148497][  T358]  __cleanup_mnt+0x19/0x20
[   24.152738][  T358]  task_work_run+0x146/0x170
[   24.157174][  T358]  do_exit+0xa43/0x2660
[   24.161177][  T358]  ? put_task_struct+0x90/0x90
[   24.165761][  T358]  ? __kasan_check_read+0x11/0x20
[   24.170619][  T358]  ? syscall_trace_enter+0x56f/0x7d0
[   24.175956][  T358]  ? do_syscall_64+0x170/0x170
[   24.180498][  T358]  do_group_exit+0x13e/0x300
[   24.184969][  T358]  __x64_sys_exit_group+0x3f/0x40
[   24.189790][  T358]  do_syscall_64+0xcf/0x170
[   24.194143][  T358]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   24.199858][  T358] RIP: 0033:0x7fa76f153e49
[   24.204119][  T358] Code: Bad RIP value.
[   24.208011][  T358] RSP: 002b:00007ffc58c29098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.216258][  T358] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa76f153e49
[   24.224075][  T358] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   24.231888][  T358] RBP: 00007fa76f1e3370 R08: ffffffffffffffb8 R09: 0000000000000000
[   24.239693][  T358] R10: 0000000000000100 R11: 0000000000000246 R12: 00007fa76f1e3370
[   24.247503][  T358] R13: 0000000000000000 R14: 00007fa76f1e5140 R15: 00007fa76f121c40
[   24.255334][  T358] 
[   24.257486][  T358] Allocated by task 360:
[   24.261571][  T358]  __kasan_kmalloc+0x162/0x200
[   24.266167][  T358]  kasan_slab_alloc+0x12/0x20
[   24.270683][  T358]  kmem_cache_alloc+0xe2/0x270
[   24.275285][  T358]  f2fs_alloc_inode+0x26/0x3b0
[   24.279887][  T358]  iget_locked+0x144/0x810
[   24.284137][  T358]  f2fs_iget+0x55/0x4ac0
[   24.288216][  T358]  f2fs_lookup+0x3ce/0xe00
[   24.292467][  T358]  path_openat+0x133f/0x35c0
[   24.296893][  T358]  do_filp_open+0x1ae/0x3f0
[   24.301235][  T358]  do_sys_open+0x2bb/0x5d0
[   24.305486][  T358]  __x64_sys_openat+0xa2/0xb0
[   24.310033][  T358]  do_syscall_64+0xcf/0x170
[   24.314356][  T358]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   24.320066][  T358] 
[   24.322234][  T358] Freed by task 0:
[   24.325799][  T358]  __kasan_slab_free+0x1c3/0x280
[   24.330584][  T358]  kasan_slab_free+0xe/0x10
[   24.334933][  T358]  slab_free_freelist_hook+0xb7/0x180
[   24.340140][  T358]  kmem_cache_free+0x10c/0x2c0
[   24.344720][  T358]  f2fs_free_inode+0x24/0x30
[   24.349159][  T358]  i_callback+0x4c/0x70
[   24.353144][  T358]  rcu_do_batch+0x446/0x980
[   24.357482][  T358]  rcu_core+0x4bd/0xbd0
[   24.361472][  T358]  rcu_core_si+0x9/0x10
[   24.365467][  T358]  __do_softirq+0x236/0x660
[   24.369816][  T358] 
[   24.371993][  T358] The buggy address belongs to the object at ffff8881dcba5c70
[   24.371993][  T358]  which belongs to the cache f2fs_inode_cache of size 1264
[   24.386529][  T358] The buggy address is located 864 bytes inside of
[   24.386529][  T358]  1264-byte region [ffff8881dcba5c70, ffff8881dcba6160)
[   24.399715][  T358] The buggy address belongs to the page:
[   24.405179][  T358] page:ffffea000772e800 refcount:1 mapcount:0 mapping:ffff8881f084ac80 index:0x0 compound_mapcount: 0
[   24.415941][  T358] flags: 0x8000000000010200(slab|head)
[   24.421236][  T358] raw: 8000000000010200 dead000000000100 dead000000000122 ffff8881f084ac80
[   24.429654][  T358] raw: 0000000000000000 0000000080170017 00000001ffffffff 0000000000000000
[   24.438074][  T358] page dumped because: kasan: bad access detected
[   24.444321][  T358] page_owner tracks the page as allocated
[   24.449877][  T358] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_RECLAIMABLE)
[   24.465768][  T358]  prep_new_page+0x35e/0x370
[   24.470188][  T358]  get_page_from_freelist+0x1296/0x1310
[   24.475569][  T358]  __alloc_pages_nodemask+0x202/0x4b0
[   24.480776][  T358]  alloc_slab_page+0x3c/0x3b0
[   24.485411][  T358]  new_slab+0x93/0x420
[   24.489531][  T358]  ___slab_alloc+0x29e/0x420
[   24.493945][  T358]  __slab_alloc+0x63/0xa0
[   24.498125][  T358]  kmem_cache_alloc+0x12c/0x270
[   24.502797][  T358]  f2fs_alloc_inode+0x26/0x3b0
[   24.507394][  T358]  iget_locked+0x144/0x810
[   24.511654][  T358]  f2fs_iget+0x55/0x4ac0
[   24.515727][  T358]  f2fs_fill_super+0x44fc/0x7760
[   24.520711][  T358]  mount_bdev+0x279/0x390
[   24.524871][  T358]  f2fs_mount+0x34/0x40
[   24.528855][  T358]  legacy_get_tree+0xea/0x190
[   24.533364][  T358]  vfs_get_tree+0x89/0x260
[   24.537612][  T358] page_owner free stack trace missing
[   24.542821][  T358] 
[   24.544989][  T358] Memory state around the buggy address:
[   24.550469][  T358]  ffff8881dcba5e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.558365][  T358]  ffff8881dcba5f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.566543][  T358] >ffff8881dcba5f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.574441][  T358]                                                  ^
[   24.581060][  T358]  ffff8881dcba6000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.588964][  T358]  ffff8881dcba6080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.596858][  T358] ==================================================================
[   24.604755][  T358] Disabling lock debugging due to kernel taint