./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor746034641

<...>
forked to background, child pid 4641
no interfaces have a carrier
[   27.643035][ T4642] 8021q: adding VLAN 0 to HW filter on device bond0
[   27.652493][ T4642] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.156' (ECDSA) to the list of known hosts.
execve("./syz-executor746034641", ["./syz-executor746034641"], 0x7ffcfb235010 /* 10 vars */) = 0
brk(NULL)                               = 0x555556eb2000
brk(0x555556eb2c40)                     = 0x555556eb2c40
arch_prctl(ARCH_SET_FS, 0x555556eb2300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x555556eb25d0)         = 5069
set_robust_list(0x555556eb25e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f0bacd53270, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f0bacd53940}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f0bacd53310, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0bacd53940}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor746034641", 4096) = 27
brk(0x555556ed3c40)                     = 0x555556ed3c40
brk(0x555556ed4000)                     = 0x555556ed4000
mprotect(0x7f0bace1f000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3
write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3
write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24
close(3)                                = 0
socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4
sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36
recvfrom(4, [{nlmsg_len=704, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5069}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x26\x00\x00\x00\x48\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 704
recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
access("/proc/net", R_OK)               = 0
access("/proc/net/unix", R_OK)          = 0
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5
ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0
close(5)                                = 0
sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36
recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5
ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0
close(5)                                = 0
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\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44
recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68
recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5
ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0
close(5)                                = 0
sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36
recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5
ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0
close(5)                                = 0
sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44
recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5069}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
close(3)                                = 0
close(4)                                = 0
getpid()                                = 5069
mkdir("./syzkaller.g2TPou", 0700)       = 0
chmod("./syzkaller.g2TPou", 0777)       = 0
chdir("./syzkaller.g2TPou")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556eb25d0) = 5071
./strace-static-x86_64: Process 5071 attached
[pid  5071] set_robust_list(0x555556eb25e0, 24) = 0
[pid  5071] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5071] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  5071] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  5071] dup2(4, 202)                = 202
[pid  5071] close(4)                    = 0
[pid  5071] write(202, "\xff\x00", 2)   = 2
[pid  5071] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  5071] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0bac541000
[pid  5071] mprotect(0x7f0bac542000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  5071] clone(child_stack=0x7f0bacd413f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[2], tls=0x7f0bacd41700, child_tidptr=0x7f0bacd419d0) = 2
[pid  5071] ioctl(3, HCIDEVUP./strace-static-x86_64: Process 5074 attached
 <unfinished ...>
[pid  5074] set_robust_list(0x7f0bacd419e0, 24) = 0
[pid  5074] read(202, "\x01\x03\x0c\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
[pid  5074] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
[pid  5074] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x01\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
[pid  5074] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0a", iov_len=2}, {iov_base="\x01\x09\x10", iov_len=3}, {iov_base="\x00\xaa\xaa\xaa\xaa\xaa\xaa", iov_len=7}], 4) = 13
[pid  5074] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0b", iov_len=2}, {iov_base="\x01\x05\x10", iov_len=3}, {iov_base="\x00\xfd\x03\x60\x04\x00\x06\x00", iov_len=8}], 4) = 14
[pid  5074] read(202, "\x01\x23\x0c\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x23\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
[pid  5074] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x14\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
[pid  5074] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x25\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
[pid  5074] read(202, "\x01\x38\x0c\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x38\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
syzkaller login: [   53.476811][ T5073] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   53.484999][ T5073] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   53.493154][ T5073] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   53.503498][ T5073] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   53.512490][ T5073] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[pid  5074] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x39\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
[pid  5074] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x16\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255
[pid  5074] read(202,  <unfinished ...>
[pid  5071] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
[pid  5071] ioctl(3, HCISETSCAN <unfinished ...>
[pid  5074] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  5074] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x04", iov_len=2}, {iov_base="\x01\x1a\x0c", iov_len=3}, {iov_base="\x00", iov_len=1}], 4) = 7
[pid  5074] madvise(0x7f0bac541000, 8372224, MADV_DONTNEED <unfinished ...>
[pid  5071] <... ioctl resumed>, 0x7ffc493d7ef0) = 0
[pid  5074] <... madvise resumed>)      = 0
[pid  5071] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x04\x0a", iov_len=2}, {iov_base="\xaa\xaa\xaa\xaa\xaa\x10\x00\x00\x00\x01", iov_len=10}], 3 <unfinished ...>
[pid  5074] exit(0 <unfinished ...>
[pid  5071] <... writev resumed>)       = 13
[pid  5074] <... exit resumed>)         = ?
[pid  5071] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x03\x0b", iov_len=2}, {iov_base="\x00\xc8\x00\xaa\xaa\xaa\xaa\xaa\x10\x01\x00", iov_len=11}], 3 <unfinished ...>
[pid  5074] +++ exited with 0 +++
[pid  5071] <... writev resumed>)       = 14
[pid  5071] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\v\v", iov_len=2}, {iov_base="\x00\xc8\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=11}], 3) = 14
[pid  5071] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x3e\x13", iov_len=2}, {iov_base="\x01\x00\xc9\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\x11\x00\x00\x00\x00\x00\x00\x00", iov_len=19}], 3) = 22
[pid  5071] close(3)                    = 0
[pid  5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5071] setsid()                    = 1
[pid  5071] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5071] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5071] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5071] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5071] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5071] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5071] unshare(CLONE_NEWNS)        = 0
[pid  5071] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5071] unshare(CLONE_NEWIPC)       = 0
[pid  5071] unshare(CLONE_NEWCGROUP)    = 0
[pid  5071] unshare(CLONE_NEWUTS)       = 0
[pid  5071] unshare(CLONE_SYSVSEM)      = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "16777216", 8)     = 8
[pid  5071] close(3)                    = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "536870912", 9)    = 9
[pid  5071] close(3)                    = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "1024", 4)         = 4
[pid  5071] close(3)                    = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "8192", 4)         = 4
[pid  5071] close(3)                    = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "1024", 4)         = 4
[pid  5071] close(3)                    = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "1024", 4)         = 4
[pid  5071] close(3)                    = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5071] close(3)                    = 0
[pid  5071] getpid()                    = 1
[pid  5071] 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  5071] 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
[   53.520568][ T5073] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  5071] unshare(CLONE_NEWNET)       = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "0 65535", 7)      = 7
[pid  5071] close(3)                    = 0
[pid  5071] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3
[pid  5071] dup2(3, 200)                = 200
[pid  5071] close(3)                    = 0
[pid  5071] ioctl(200, TUNSETIFF, 0x7ffc493d7f40) = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "0", 1)            = 1
[pid  5071] close(3)                    = 0
[pid  5071] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "0", 1)            = 1
[pid  5071] close(3)                    = 0
[pid  5071] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid  5071] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5071] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5071] close(4)                    = 0
[pid  5071] 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  5071] 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  5071] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5071] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5071] close(4)                    = 0
[pid  5071] 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  5071] 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  5071] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5071] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5071] close(4)                    = 0
[pid  5071] 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  5071] 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  5071] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5071] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5071] close(4)                    = 0
[pid  5071] 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  5071] 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  5071] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5071] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5071] close(4)                    = 0
[pid  5071] 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  5071] 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  5071] close(3)                    = 0
[pid  5071] mkdir("/dev/binderfs", 0777) = 0
[pid  5071] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5071] open("./file0", O_RDWR|O_CREAT|0x3c, 000) = 3
[pid  5071] memfd_create("syzkaller", 0) = 4
[pid  5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ba4141000
[pid  5071] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid  5071] munmap(0x7f0ba4141000, 65536) = 0
[pid  5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid  5071] ioctl(5, LOOP_SET_FD, 4)    = 0
[pid  5071] close(4)                    = 0
[pid  5071] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  5071] mount("/dev/loop0", "./file0", "sysv", 0, "") = 0
[pid  5071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = -1 ENOTDIR (Not a directory)
[pid  5071] ioctl(5, LOOP_CLR_FD)       = 0
[pid  5071] close(5)                    = 0
[   53.624051][ T5071] loop0: detected capacity change from 0 to 128
[   53.634661][ T5071] VFS: Found a Xenix FS (block size = 512) on device loop0
[   53.646714][ T5071] sysv_free_block: flc_count > flc_size
[   53.652727][ T5071] sysv_free_block: flc_count > flc_size
[   53.658413][ T5071] sysv_free_block: flc_count > flc_size
[   53.664020][ T5071] sysv_free_block: flc_count > flc_size
[pid  5071] creat("./file0", 000)       = 4
[   53.669555][ T5071] sysv_free_block: flc_count > flc_size
[   53.675156][ T5071] sysv_free_block: flc_count > flc_size
[   53.680719][ T5071] sysv_free_block: flc_count > flc_size
[   53.686309][ T5071] sysv_free_block: flc_count > flc_size
[   53.691857][ T5071] sysv_free_block: flc_count > flc_size
[   53.697438][ T5071] sysv_free_block: flc_count > flc_size
[   53.704206][ T5071] ==================================================================
[   53.712268][ T5071] BUG: KASAN: use-after-free in sysv_new_block+0x819/0x990
[   53.719478][ T5071] Read of size 4 at addr ffff88807205c0c8 by task syz-executor746/5071
[   53.727694][ T5071] 
[   53.729995][ T5071] CPU: 1 PID: 5071 Comm: syz-executor746 Not tainted 6.1.0-syzkaller-14127-gec34c2b4ec38 #0
[   53.740036][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   53.750075][ T5071] Call Trace:
[   53.753340][ T5071]  <TASK>
[   53.756261][ T5071]  dump_stack_lvl+0xd1/0x138
[   53.760843][ T5071]  print_report+0x15e/0x45d
[   53.765343][ T5071]  ? __phys_addr+0xc8/0x140
[   53.769842][ T5071]  ? sysv_new_block+0x819/0x990
[   53.774685][ T5071]  kasan_report+0xbf/0x1f0
[   53.779092][ T5071]  ? sysv_new_block+0x819/0x990
[   53.783936][ T5071]  sysv_new_block+0x819/0x990
[   53.788605][ T5071]  ? mark_lock.part.0+0xc81/0x1910
[   53.793704][ T5071]  get_block+0x26b/0x1580
[   53.798028][ T5071]  ? free_branches+0x3d0/0x3d0
[   53.802782][ T5071]  ? create_page_buffers+0x440/0x640
[   53.808055][ T5071]  ? lock_downgrade+0x6e0/0x6e0
[   53.812892][ T5071]  ? folio_flags.constprop.0+0x53/0x150
[   53.818423][ T5071]  ? create_empty_buffers+0x37d/0xf30
[   53.823786][ T5071]  ? do_raw_spin_unlock+0x175/0x230
[   53.828972][ T5071]  __block_write_begin_int+0x3bd/0x14b0
[   53.834509][ T5071]  ? free_branches+0x3d0/0x3d0
[   53.839267][ T5071]  ? invalidate_bh_lrus_cpu+0x140/0x140
[   53.844802][ T5071]  ? PageHeadHuge+0x1a2/0x200
[   53.849491][ T5071]  ? free_branches+0x3d0/0x3d0
[   53.854248][ T5071]  block_write_begin+0xb9/0x4d0
[   53.859087][ T5071]  sysv_write_begin+0x31/0xd0
[   53.863755][ T5071]  generic_perform_write+0x256/0x570
[   53.869029][ T5071]  ? folio_add_wait_queue+0x1c0/0x1c0
[   53.874389][ T5071]  ? new_inode+0x280/0x280
[   53.878801][ T5071]  ? generic_write_checks+0x2c0/0x400
[   53.884165][ T5071]  __generic_file_write_iter+0x2ae/0x500
[   53.889790][ T5071]  generic_file_write_iter+0xe3/0x350
[   53.895152][ T5071]  vfs_write+0x9ed/0xdd0
[   53.899385][ T5071]  ? kernel_write+0x630/0x630
[   53.904048][ T5071]  ? find_held_lock+0x2d/0x110
[   53.908805][ T5071]  ? lock_downgrade+0x6e0/0x6e0
[   53.913640][ T5071]  ? __fget_light+0x20a/0x270
[   53.918304][ T5071]  ksys_write+0x12b/0x250
[   53.922619][ T5071]  ? __ia32_sys_read+0xb0/0xb0
[   53.927375][ T5071]  ? lockdep_hardirqs_on+0x7d/0x100
[   53.932573][ T5071]  ? _raw_spin_unlock_irq+0x2e/0x50
[   53.937759][ T5071]  ? ptrace_notify+0xfe/0x140
[   53.942426][ T5071]  do_syscall_64+0x39/0xb0
[   53.946831][ T5071]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   53.952720][ T5071] RIP: 0033:0x7f0bacd960b9
[   53.957122][ T5071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   53.976803][ T5071] RSP: 002b:00007ffc493d7ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   53.985201][ T5071] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f0bacd960b9
[   53.993160][ T5071] RDX: 00000000fffffd5e RSI: 000000002000ad00 RDI: 0000000000000004
[   54.001115][ T5071] RBP: 0000000000000003 R08: 0000000000000020 R09: 0000000000000020
[   54.009074][ T5071] R10: 0000000000009e07 R11: 0000000000000246 R12: 00007ffc493d7f20
[   54.017046][ T5071] R13: 00007ffc493d7ef8 R14: 00007ffc493d7f40 R15: 0000000000000000
[   54.025005][ T5071]  </TASK>
[   54.028008][ T5071] 
[   54.030314][ T5071] The buggy address belongs to the physical page:
[   54.036709][ T5071] page:ffffea0001c81700 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x7205c
[   54.046866][ T5071] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[   54.053980][ T5071] raw: 00fff00000000000 ffffea0001c81748 ffffea0001c816c8 0000000000000000
[   54.062548][ T5071] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
[   54.071110][ T5071] page dumped because: kasan: bad access detected
[   54.077520][ T5071] page_owner tracks the page as freed
[   54.082869][ T5071] page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5061, tgid 5061 (sshd), ts 47911150658, free_ts 47923845373
[   54.100827][ T5071]  get_page_from_freelist+0x119c/0x2ce0
[   54.106370][ T5071]  __alloc_pages+0x1cb/0x5b0
[   54.110950][ T5071]  __folio_alloc+0x16/0x40
[   54.115353][ T5071]  vma_alloc_folio+0x155/0x870
[   54.120101][ T5071]  __handle_mm_fault+0x1822/0x3c90
[   54.125206][ T5071]  handle_mm_fault+0x1b6/0x850
[   54.129959][ T5071]  do_user_addr_fault+0x475/0x1210
[   54.135057][ T5071]  exc_page_fault+0x98/0x170
[   54.139639][ T5071]  asm_exc_page_fault+0x26/0x30
[   54.144474][ T5071] page last free stack trace:
[   54.149125][ T5071]  free_pcp_prepare+0x65c/0xc00
[   54.153962][ T5071]  free_unref_page_list+0x176/0xcd0
[   54.159146][ T5071]  release_pages+0xcb1/0x1330
[   54.163811][ T5071]  tlb_batch_pages_flush+0xa8/0x1a0
[   54.168999][ T5071]  tlb_finish_mmu+0x14b/0x7e0
[   54.173662][ T5071]  unmap_region+0x22c/0x2b0
[   54.178146][ T5071]  do_mas_align_munmap+0xc44/0x1260
[   54.183330][ T5071]  do_mas_munmap+0x26e/0x2c0
[   54.187903][ T5071]  __vm_munmap+0x14f/0x290
[   54.192301][ T5071]  __x64_sys_munmap+0x59/0x80
[   54.196963][ T5071]  do_syscall_64+0x39/0xb0
[   54.201367][ T5071]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   54.207256][ T5071] 
[   54.209561][ T5071] Memory state around the buggy address:
[   54.215171][ T5071]  ffff88807205bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   54.223215][ T5071]  ffff88807205c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   54.231262][ T5071] >ffff88807205c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   54.239303][ T5071]                                               ^
[   54.245697][ T5071]  ffff88807205c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   54.253740][ T5071]  ffff88807205c180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   54.262042][ T5071] ==================================================================
[   54.270604][ T5071] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[   54.277814][ T5071] CPU: 0 PID: 5071 Comm: syz-executor746 Not tainted 6.1.0-syzkaller-14127-gec34c2b4ec38 #0
[   54.287888][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   54.298016][ T5071] Call Trace:
[   54.301278][ T5071]  <TASK>
[   54.304193][ T5071]  dump_stack_lvl+0xd1/0x138
[   54.308778][ T5071]  panic+0x2cc/0x626
[   54.312668][ T5071]  ? panic_print_sys_info.part.0+0x110/0x110
[   54.318641][ T5071]  ? preempt_schedule_thunk+0x1a/0x20
[   54.324011][ T5071]  ? preempt_schedule_common+0x59/0xc0
[   54.329639][ T5071]  check_panic_on_warn.cold+0x19/0x35
[   54.335002][ T5071]  end_report.part.0+0x36/0x73
[   54.339758][ T5071]  ? sysv_new_block+0x819/0x990
[   54.344601][ T5071]  kasan_report.cold+0xa/0xf
[   54.349184][ T5071]  ? sysv_new_block+0x819/0x990
[   54.354049][ T5071]  sysv_new_block+0x819/0x990
[   54.358716][ T5071]  ? mark_lock.part.0+0xc81/0x1910
[   54.363817][ T5071]  get_block+0x26b/0x1580
[   54.368142][ T5071]  ? free_branches+0x3d0/0x3d0
[   54.372901][ T5071]  ? create_page_buffers+0x440/0x640
[   54.378173][ T5071]  ? lock_downgrade+0x6e0/0x6e0
[   54.383009][ T5071]  ? folio_flags.constprop.0+0x53/0x150
[   54.388541][ T5071]  ? create_empty_buffers+0x37d/0xf30
[   54.393900][ T5071]  ? do_raw_spin_unlock+0x175/0x230
[   54.399104][ T5071]  __block_write_begin_int+0x3bd/0x14b0
[   54.404639][ T5071]  ? free_branches+0x3d0/0x3d0
[   54.409397][ T5071]  ? invalidate_bh_lrus_cpu+0x140/0x140
[   54.414932][ T5071]  ? PageHeadHuge+0x1a2/0x200
[   54.419610][ T5071]  ? free_branches+0x3d0/0x3d0
[   54.424372][ T5071]  block_write_begin+0xb9/0x4d0
[   54.429212][ T5071]  sysv_write_begin+0x31/0xd0
[   54.433883][ T5071]  generic_perform_write+0x256/0x570
[   54.439180][ T5071]  ? folio_add_wait_queue+0x1c0/0x1c0
[   54.444541][ T5071]  ? new_inode+0x280/0x280
[   54.448950][ T5071]  ? generic_write_checks+0x2c0/0x400
[   54.454315][ T5071]  __generic_file_write_iter+0x2ae/0x500
[   54.459942][ T5071]  generic_file_write_iter+0xe3/0x350
[   54.465309][ T5071]  vfs_write+0x9ed/0xdd0
[   54.469540][ T5071]  ? kernel_write+0x630/0x630
[   54.474206][ T5071]  ? find_held_lock+0x2d/0x110
[   54.478966][ T5071]  ? lock_downgrade+0x6e0/0x6e0
[   54.483807][ T5071]  ? __fget_light+0x20a/0x270
[   54.488472][ T5071]  ksys_write+0x12b/0x250
[   54.492787][ T5071]  ? __ia32_sys_read+0xb0/0xb0
[   54.497539][ T5071]  ? lockdep_hardirqs_on+0x7d/0x100
[   54.502731][ T5071]  ? _raw_spin_unlock_irq+0x2e/0x50
[   54.507917][ T5071]  ? ptrace_notify+0xfe/0x140
[   54.512582][ T5071]  do_syscall_64+0x39/0xb0
[   54.516993][ T5071]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   54.522885][ T5071] RIP: 0033:0x7f0bacd960b9
[   54.527287][ T5071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   54.546885][ T5071] RSP: 002b:00007ffc493d7ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   54.555287][ T5071] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f0bacd960b9
[   54.563248][ T5071] RDX: 00000000fffffd5e RSI: 000000002000ad00 RDI: 0000000000000004
[   54.571205][ T5071] RBP: 0000000000000003 R08: 0000000000000020 R09: 0000000000000020
[   54.579160][ T5071] R10: 0000000000009e07 R11: 0000000000000246 R12: 00007ffc493d7f20
[   54.587117][ T5071] R13: 00007ffc493d7ef8 R14: 00007ffc493d7f40 R15: 0000000000000000
[   54.595252][ T5071]  </TASK>
[   54.599143][ T5071] Kernel Offset: disabled
[   54.603454][ T5071] Rebooting in 86400 seconds..