./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1392724605

<...>
[    3.763546][   T24] audit: type=1400 audit(1745010707.290:9): avc:  denied  { append open } for  pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[    3.770058][   T24] audit: type=1400 audit(1745010707.290:10): avc:  denied  { getattr } for  pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[    4.007253][   T94] udevd[94]: starting version 3.2.11
[    4.046354][   T95] udevd[95]: starting eudev-3.2.11
[   13.454957][   T24] kauditd_printk_skb: 50 callbacks suppressed
[   13.454969][   T24] audit: type=1400 audit(1745010717.010:61): avc:  denied  { transition } for  pid=219 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   13.464533][   T24] audit: type=1400 audit(1745010717.010:62): avc:  denied  { noatsecure } for  pid=219 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   13.471010][   T24] audit: type=1400 audit(1745010717.010:63): avc:  denied  { write } for  pid=219 comm="sh" path="pipe:[14379]" dev="pipefs" ino=14379 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   13.484347][   T24] audit: type=1400 audit(1745010717.010:64): avc:  denied  { rlimitinh } for  pid=219 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   13.503030][   T24] audit: type=1400 audit(1745010717.010:65): avc:  denied  { siginh } for  pid=219 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.145' (ED25519) to the list of known hosts.
execve("./syz-executor1392724605", ["./syz-executor1392724605"], 0x7ffe4203e630 /* 10 vars */) = 0
brk(NULL)                               = 0x555585245000
brk(0x555585245e00)                     = 0x555585245e00
arch_prctl(ARCH_SET_FS, 0x555585245480) = 0
set_tid_address(0x555585245750)         = 308
set_robust_list(0x555585245760, 24)     = 0
rseq(0x555585245da0, 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-executor1392724605", 4096) = 28
getrandom("\x73\xdb\x92\x50\x41\x7f\x30\xf7", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555585245e00
brk(0x555585266e00)                     = 0x555585266e00
brk(0x555585267000)                     = 0x555585267000
mprotect(0x7fe57e017000, 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
chmod("/dev/raw-gadget", 0666)          = 0
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7fe57df681a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fe57df71180}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fe57df681a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fe57df71180}, NULL, 8) = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585245750) = 309
./strace-static-x86_64: Process 309 attached
[pid   309] set_robust_list(0x555585245760, 24) = 0
[pid   309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   309] getppid()                   = 0
[pid   309] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   309] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   309] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   309] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   309] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   309] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   309] unshare(CLONE_NEWNS)        = 0
[pid   309] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   309] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   309] unshare(CLONE_NEWCGROUP)    = 0
[pid   309] unshare(CLONE_NEWUTS)       = 0
[pid   309] unshare(CLONE_SYSVSEM)      = 0
[pid   309] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   309] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   309] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   309] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   309] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   309] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   309] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   309] getpid()                    = 1
[pid   309] 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|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, 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|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   309] 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|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, 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|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   309] unshare(CLONE_NEWNET)       = 0
[pid   309] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   309] write(3, "0 65535", 7)      = 7
[pid   309] close(3)                    = 0
[pid   309] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3
[pid   309] dup2(3, 200)                = 200
[pid   309] close(3)                    = 0
[pid   309] ioctl(200, TUNSETIFF, 0x7ffef96986e0) = 0
[pid   309] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3
[pid   309] write(3, "0", 1)            = 1
[pid   309] close(3)                    = 0
[pid   309] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3
[pid   309] write(3, "0", 1)            = 1
[pid   309] close(3)                    = 0
[pid   309] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid   309] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   309] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   309] close(4)                    = 0
[pid   309] 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   309] 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   309] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   309] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   309] close(4)                    = 0
[pid   309] 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   309] 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
[   42.093669][   T24] audit: type=1400 audit(1745010745.650:66): avc:  denied  { execmem } for  pid=308 comm="syz-executor139" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   42.114919][   T24] audit: type=1400 audit(1745010745.670:67): avc:  denied  { setattr } for  pid=308 comm="syz-executor139" name="raw-gadget" dev="devtmpfs" ino=249 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[pid   309] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   309] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   309] close(4)                    = 0
[pid   309] 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   309] 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   309] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   309] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   309] close(4)                    = 0
[pid   309] 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   309] 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   309] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid   309] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid   309] close(4)                    = 0
[pid   309] 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   309] 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   309] close(3)                    = 0
[pid   309] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   309] write(3, "100000", 6)       = 6
[pid   309] close(3)                    = 0
[pid   309] mkdir("./syz-tmp", 0777)    = 0
[pid   309] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   309] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   309] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   309] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   309] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   309] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   309] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   309] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   309] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   309] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   309] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   309] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   309] 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   309] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   309] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   309] 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   309] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   309] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   309] chdir("/")                  = 0
[pid   309] umount2("./pivot", MNT_DETACH) = 0
[pid   309] chroot("./newroot")         = 0
[pid   309] chdir("/")                  = 0
[pid   309] mkdir("/dev/gadgetfs", 0777) = 0
[pid   309] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   309] mkdir("/dev/binderfs", 0777) = 0
[pid   309] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   309] symlink("/dev/binderfs", "./binderfs") = 0
[pid   309] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
executing program
[pid   309] write(1, "executing program\n", 18) = 18
[pid   309] memfd_create("syzkaller", 0) = 3
[pid   309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe575b5e000
[   42.139250][   T24] audit: type=1400 audit(1745010745.670:68): avc:  denied  { mounton } for  pid=309 comm="syz-executor139" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   42.161099][   T24] audit: type=1400 audit(1745010745.690:69): avc:  denied  { create } for  pid=305 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1
[   42.162479][  T309] request_module fs-gadgetfs succeeded, but still no fs?
[pid   309] 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"..., 262144) = 262144
[pid   309] munmap(0x7fe575b5e000, 138412032) = 0
[pid   309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   309] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   309] close(3)                    = 0
[   42.181937][   T24] audit: type=1400 audit(1745010745.690:70): avc:  denied  { write } for  pid=305 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1
[   42.209320][   T24] audit: type=1400 audit(1745010745.690:71): avc:  denied  { nlmsg_read } for  pid=305 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1
[   42.230438][   T24] audit: type=1400 audit(1745010745.690:72): avc:  denied  { module_request } for  pid=305 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
[   42.253462][   T24] audit: type=1400 audit(1745010745.690:73): avc:  denied  { read } for  pid=305 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1
[   42.273887][   T24] audit: type=1400 audit(1745010745.700:74): avc:  denied  { mounton } for  pid=309 comm="syz-executor139" path="/root/syz-tmp" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   42.296811][   T24] audit: type=1400 audit(1745010745.700:75): avc:  denied  { mount } for  pid=309 comm="syz-executor139" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   309] close(4)                    = 0
[pid   309] mkdir("./bus", 0777)        = 0
[   42.373344][  T309] ======================================================
[   42.373344][  T309] WARNING: the mand mount option is being deprecated and
[   42.373344][  T309]          will be removed in v5.15!
[   42.373344][  T309] ======================================================
[   42.436030][  T309] EXT4-fs (loop0): Quota format mount options ignored when QUOTA feature is enabled
[   42.445591][  T309] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended
[   42.463652][  T309] EXT4-fs (loop0): warning: checktime reached, running e2fsck is recommended
[   42.473585][  T309] EXT4-fs error (device loop0): ext4_orphan_get:1395: inode #16: comm syz-executor139: iget: bogus i_mode (5)
[pid   309] mount("/dev/loop0", "./bus", "ext4", MS_MANDLOCK|MS_LAZYTIME, "auto_da_alloc,jqfmt=vfsold,noquota,init_itable,stripe=0x0000000000000079,resgid=0x0000000000000000,d"...) = 0
[pid   309] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid   309] chdir("./bus")              = 0
[pid   309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   309] ioctl(4, LOOP_CLR_FD)       = 0
[pid   309] close(4)                    = 0
[pid   309] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid   309] fallocate(4, 0, 0, 1048820) = -1 ENOSPC (No space left on device)
[pid   309] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_DIRECT|O_NOATIME|0x3c, 000) = 5
[pid   309] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSDOWN|0x90e976db900956f0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 5, 0) = 0x200000000000
[pid   309] mount(0x200000000380, 0x200000000140, NULL, MS_BIND, NULL) = 0
[pid   309] open(0x200000000100, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6
[pid   309] write(6, 0x200000000080, 34136651) = 155648
[pid   309] close(3)                    = 0
[pid   309] close(4)                    = 0
[pid   309] close(5)                    = 0
[pid   309] close(6)                    = 0
[pid   309] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   309] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   309] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   309] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   309] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   309] exit_group(1)               = ?
[   42.485275][  T309] EXT4-fs error (device loop0): ext4_orphan_get:1400: comm syz-executor139: couldn't read orphan inode 16 (err -117)
[   42.497614][  T309] EXT4-fs (loop0): mounted filesystem without journal. Opts: auto_da_alloc,jqfmt=vfsold,noquota,init_itable,stripe=0x0000000000000079,resgid=0x0000000000000000,data_err=ignore,init_itable,errors=continue,,errors=continue
[   42.653299][   T49] ==================================================================
[   42.661646][   T49] BUG: KASAN: use-after-free in ext4_find_extent+0xbea/0xe30
[   42.668836][   T49] Read of size 4 at addr ffff888120191650 by task kworker/u4:2/49
[   42.676470][   T49] 
[   42.678630][   T49] CPU: 1 PID: 49 Comm: kworker/u4:2 Not tainted 5.10.236-syzkaller #0
[   42.686611][   T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   42.696530][   T49] Workqueue: writeback wb_workfn (flush-7:0)
[   42.702320][   T49] Call Trace:
[   42.705459][   T49]  dump_stack_lvl+0x1e2/0x24b
[   42.710223][   T49]  ? bfq_pos_tree_add_move+0x43b/0x43b
[   42.715516][   T49]  ? panic+0x812/0x812
[   42.719420][   T49]  ? __getblk_gfp+0x3d/0x7e0
[   42.723851][   T49]  print_address_description+0x81/0x3b0
[   42.729317][   T49]  kasan_report+0x179/0x1c0
[   42.733685][   T49]  ? ext4_find_extent+0xbea/0xe30
[   42.738527][   T49]  ? ext4_find_extent+0xbea/0xe30
[   42.743435][   T49]  __asan_report_load4_noabort+0x14/0x20
[   42.748970][   T49]  ext4_find_extent+0xbea/0xe30
[   42.753655][   T49]  ext4_ext_map_blocks+0x26a/0x6ee0
[   42.758769][   T49]  ? ret_from_fork+0x1f/0x30
[   42.763192][   T49]  ? stack_trace_save+0x113/0x1c0
[   42.768072][   T49]  ? stack_trace_snprint+0xf0/0xf0
[   42.773084][   T49]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   42.778765][   T49]  ? __stack_depot_save+0x468/0x4d0
[   42.783759][   T49]  ? ext4_ext_release+0x10/0x10
[   42.788530][   T49]  ? slab_post_alloc_hook+0x61/0x2f0
[   42.793670][   T49]  ? kmem_cache_alloc+0x168/0x2e0
[   42.798598][   T49]  ? ext4_alloc_io_end_vec+0x2a/0x170
[   42.803987][   T49]  ? ext4_writepages+0x122f/0x3c00
[   42.809098][   T49]  ? do_writepages+0x12e/0x270
[   42.813701][   T49]  ? __writeback_single_inode+0xd7/0xac0
[   42.819183][   T49]  ? writeback_sb_inodes+0x99c/0x16b0
[   42.824379][   T49]  ? wb_writeback+0x404/0xc60
[   42.828913][   T49]  ? wb_workfn+0x3d9/0x1110
[   42.833239][   T49]  ? process_one_work+0x6dc/0xbd0
[   42.838175][   T49]  ? worker_thread+0xaea/0x1510
[   42.842867][   T49]  ? kthread+0x34b/0x3d0
[   42.846942][   T49]  ? ret_from_fork+0x1f/0x30
[   42.851383][   T49]  ? _raw_read_unlock+0x25/0x40
[   42.856149][   T49]  ? ext4_es_lookup_extent+0x33b/0x940
[   42.861462][   T49]  ext4_map_blocks+0xa65/0x1d10
[   42.866133][   T49]  ? ext4_issue_zeroout+0x1b0/0x1b0
[   42.871163][   T49]  ? ext4_inode_journal_mode+0x1a5/0x470
[   42.876631][   T49]  ext4_writepages+0x148b/0x3c00
[   42.881408][   T49]  ? ext4_readpage+0x230/0x230
[   42.886301][   T49]  ? unwind_next_frame+0x3cb/0x700
[   42.891358][   T49]  ? _raw_spin_lock_irqsave+0xf9/0x210
[   42.896967][   T49]  ? ret_from_fork+0x1f/0x30
[   42.901509][   T49]  ? _raw_spin_lock+0x1b0/0x1b0
[   42.906196][   T49]  ? ext4_readpage+0x230/0x230
[   42.910793][   T49]  do_writepages+0x12e/0x270
[   42.915228][   T49]  ? stack_trace_snprint+0xf0/0xf0
[   42.920261][   T49]  ? __writepage+0x130/0x130
[   42.924681][   T49]  ? __kasan_check_write+0x14/0x20
[   42.929787][   T49]  ? _raw_spin_lock+0xa4/0x1b0
[   42.934315][   T49]  __writeback_single_inode+0xd7/0xac0
[   42.939613][   T49]  writeback_sb_inodes+0x99c/0x16b0
[   42.944642][   T49]  ? _raw_spin_lock+0xa4/0x1b0
[   42.949251][   T49]  ? queue_io+0x520/0x520
[   42.953431][   T49]  ? writeback_sb_inodes+0x16b0/0x16b0
[   42.958706][   T49]  ? queue_io+0x3d3/0x520
[   42.962874][   T49]  wb_writeback+0x404/0xc60
[   42.967214][   T49]  ? wb_io_lists_depopulated+0x180/0x180
[   42.972683][   T49]  ? set_worker_desc+0x158/0x1c0
[   42.977461][   T49]  ? update_load_avg+0x541/0x1690
[   42.982314][   T49]  ? __kasan_check_write+0x14/0x20
[   42.987374][   T49]  wb_workfn+0x3d9/0x1110
[   42.991547][   T49]  ? inode_wait_for_writeback+0x280/0x280
[   42.997104][   T49]  ? find_next_bit+0x7f/0x100
[   43.001609][   T49]  ? _raw_spin_unlock_irq+0x4e/0x70
[   43.007078][   T49]  ? finish_task_switch+0x130/0x5a0
[   43.012546][   T49]  ? __switch_to_asm+0x34/0x60
[   43.017252][   T49]  ? __kasan_check_read+0x11/0x20
[   43.022116][   T49]  ? read_word_at_a_time+0x12/0x20
[   43.027197][   T49]  ? strscpy+0x9c/0x260
[   43.031152][   T49]  process_one_work+0x6dc/0xbd0
[   43.035841][   T49]  worker_thread+0xaea/0x1510
[   43.040350][   T49]  ? _raw_spin_lock+0x1b0/0x1b0
[   43.045212][   T49]  kthread+0x34b/0x3d0
[   43.049118][   T49]  ? worker_clr_flags+0x180/0x180
[   43.053980][   T49]  ? kthread_blkcg+0xd0/0xd0
[   43.058407][   T49]  ret_from_fork+0x1f/0x30
[   43.062664][   T49] 
[   43.064821][   T49] The buggy address belongs to the page:
[   43.070474][   T49] page:ffffea0004806440 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x120191
[   43.080537][   T49] flags: 0x4000000000000000()
[   43.085054][   T49] raw: 4000000000000000 dead000000000100 dead000000000122 0000000000000000
[   43.093476][   T49] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
[   43.101973][   T49] page dumped because: kasan: bad access detected
[   43.108310][   T49] page_owner tracks the page as freed
[   43.113618][   T49] page last allocated via order 0, migratetype Movable, gfp_mask 0x8100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO|0x8000000), pid 289, ts 35408351019, free_ts 35439338476
[   43.129778][   T49]  prep_new_page+0x166/0x180
[   43.134186][   T49]  get_page_from_freelist+0x2d8c/0x2f30
[   43.139568][   T49]  __alloc_pages_nodemask+0x435/0xaf0
[   43.144776][   T49]  handle_pte_fault+0x175a/0x3e10
[   43.149634][   T49]  handle_mm_fault+0x11d6/0x1a10
[   43.154407][   T49]  exc_page_fault+0x2a6/0x5b0
[   43.158921][   T49]  asm_exc_page_fault+0x1e/0x30
[   43.163612][   T49] page last free stack trace:
[   43.168208][   T49]  free_unref_page_prepare+0x2ae/0x2d0
[   43.173586][   T49]  free_unref_page_list+0x122/0xb20
[   43.178621][   T49]  release_pages+0xea0/0xef0
[   43.183048][   T49]  free_pages_and_swap_cache+0x8a/0xa0
[   43.188346][   T49]  tlb_finish_mmu+0x177/0x320
[   43.192861][   T49]  unmap_region+0x31c/0x370
[   43.197199][   T49]  __do_munmap+0x699/0x8c0
[   43.201457][   T49]  __se_sys_munmap+0x120/0x1a0
[   43.206051][   T49]  __x64_sys_munmap+0x5b/0x70
[   43.210570][   T49]  do_syscall_64+0x31/0x40
[   43.214822][   T49]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   43.220632][   T49] 
[   43.222883][   T49] Memory state around the buggy address:
[   43.228713][   T49]  ffff888120191500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   43.236809][   T49]  ffff888120191580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   43.245063][   T49] >ffff888120191600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   43.253035][   T49]                                                  ^
[   43.259549][   T49]  ffff888120191680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   43.267570][   T49]  ffff888120191700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   43.275471][   T49] ==================================================================
[   43.283368][   T49] Disabling lock debugging due to kernel taint
[   43.289799][   T49] ------------[ cut here ]------------
[   43.295270][   T49] kernel BUG at fs/ext4/inode.c:2463!
[   43.300366][   T49] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   43.306266][   T49] CPU: 0 PID: 49 Comm: kworker/u4:2 Tainted: G    B             5.10.236-syzkaller #0
[   43.315644][   T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   43.325710][   T49] Workqueue: writeback wb_workfn (flush-7:0)
[   43.331523][   T49] RIP: 0010:ext4_writepages+0x3b44/0x3c00
[   43.337073][   T49] Code: 00 74 08 48 89 df e8 fb fd c9 ff 48 8b 3b 48 8b 74 24 28 48 8b 54 24 50 44 89 e1 45 89 f8 e8 93 de 07 00 eb 5d e8 6c 5f 8c ff <0f> 0b e8 65 5f 8c ff eb 3b e8 5e 5f 8c ff eb 77 e8 57 5f 8c ff 31
[   43.356530][   T49] RSP: 0018:ffffc900009e70a0 EFLAGS: 00010293
[   43.362466][   T49] RAX: ffffffff81de6084 RBX: dffffc0000000000 RCX: ffff888101ffa780
[   43.370395][   T49] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   43.378498][   T49] RBP: ffffc900009e7490 R08: ffffffff81de3c89 R09: ffffed1021ffc25b
[   43.386463][   T49] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900009e73b0
[   43.394444][   T49] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   43.402248][   T49] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   43.411012][   T49] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.417526][   T49] CR2: 00007fe57dfe8748 CR3: 000000000660f000 CR4: 00000000003506b0
[   43.425934][   T49] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.433872][   T49] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.441678][   T49] Call Trace:
[   43.444815][   T49]  ? ext4_readpage+0x230/0x230
[   43.449439][   T49]  ? unwind_next_frame+0x3cb/0x700
[   43.454357][   T49]  ? _raw_spin_lock_irqsave+0xf9/0x210
[   43.459734][   T49]  ? ret_from_fork+0x1f/0x30
[   43.464159][   T49]  ? _raw_spin_lock+0x1b0/0x1b0
[   43.468976][   T49]  ? ext4_readpage+0x230/0x230
[   43.473885][   T49]  do_writepages+0x12e/0x270
[   43.478336][   T49]  ? stack_trace_snprint+0xf0/0xf0
[   43.483339][   T49]  ? __writepage+0x130/0x130
[   43.487786][   T49]  ? __kasan_check_write+0x14/0x20
[   43.492814][   T49]  ? _raw_spin_lock+0xa4/0x1b0
[   43.497503][   T49]  __writeback_single_inode+0xd7/0xac0
[   43.502791][   T49]  writeback_sb_inodes+0x99c/0x16b0
[   43.507832][   T49]  ? _raw_spin_lock+0xa4/0x1b0
[   43.512711][   T49]  ? queue_io+0x520/0x520
[   43.516894][   T49]  ? writeback_sb_inodes+0x16b0/0x16b0
[   43.522239][   T49]  ? queue_io+0x3d3/0x520
[   43.526581][   T49]  wb_writeback+0x404/0xc60
[   43.531021][   T49]  ? wb_io_lists_depopulated+0x180/0x180
[   43.536483][   T49]  ? set_worker_desc+0x158/0x1c0
[   43.541242][   T49]  ? update_load_avg+0x541/0x1690
[   43.546198][   T49]  ? __kasan_check_write+0x14/0x20
[   43.551251][   T49]  wb_workfn+0x3d9/0x1110
[   43.555861][   T49]  ? inode_wait_for_writeback+0x280/0x280
[   43.561409][   T49]  ? find_next_bit+0x7f/0x100
[   43.565928][   T49]  ? _raw_spin_unlock_irq+0x4e/0x70
[   43.570964][   T49]  ? finish_task_switch+0x130/0x5a0
[   43.576014][   T49]  ? __switch_to_asm+0x34/0x60
[   43.580739][   T49]  ? __kasan_check_read+0x11/0x20
[   43.585652][   T49]  ? read_word_at_a_time+0x12/0x20
[   43.590603][   T49]  ? strscpy+0x9c/0x260
[   43.594615][   T49]  process_one_work+0x6dc/0xbd0
[   43.599278][   T49]  worker_thread+0xaea/0x1510
[   43.603800][   T49]  ? _raw_spin_lock+0x1b0/0x1b0
[   43.608485][   T49]  kthread+0x34b/0x3d0
[   43.612480][   T49]  ? worker_clr_flags+0x180/0x180
[   43.617509][   T49]  ? kthread_blkcg+0xd0/0xd0
[   43.621927][   T49]  ret_from_fork+0x1f/0x30
[   43.626316][   T49] Modules linked in:
[   43.630394][   T49] ---[ end trace 636f3b377ee5b0cc ]---
[   43.635742][   T49] RIP: 0010:ext4_writepages+0x3b44/0x3c00
[   43.641274][   T49] Code: 00 74 08 48 89 df e8 fb fd c9 ff 48 8b 3b 48 8b 74 24 28 48 8b 54 24 50 44 89 e1 45 89 f8 e8 93 de 07 00 eb 5d e8 6c 5f 8c ff <0f> 0b e8 65 5f 8c ff eb 3b e8 5e 5f 8c ff eb 77 e8 57 5f 8c ff 31
[   43.661354][   T49] RSP: 0018:ffffc900009e70a0 EFLAGS: 00010293
[   43.667415][   T49] RAX: ffffffff81de6084 RBX: dffffc0000000000 RCX: ffff888101ffa780
[   43.675654][   T49] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   43.683547][   T49] RBP: ffffc900009e7490 R08: ffffffff81de3c89 R09: ffffed1021ffc25b
[   43.691566][   T49] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900009e73b0
[   43.699548][   T49] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   43.707465][   T49] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   43.716485][   T49] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.722956][   T49] CR2: 00007fe57dfe8748 CR3: 000000000660f000 CR4: 00000000003506b0
[   43.730762][   T49] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.738677][   T49] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.746402][   T49] Kernel panic - not syncing: Fatal exception
[   43.752599][   T49] Kernel Offset: disabled
[   43.756726][   T49] Rebooting in 86400 seconds..