./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3732628032 <...> Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts. execve("./syz-executor3732628032", ["./syz-executor3732628032"], 0x7ffc845bff60 /* 10 vars */) = 0 brk(NULL) = 0x555556177000 brk(0x555556177c40) = 0x555556177c40 arch_prctl(ARCH_SET_FS, 0x555556177300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555561775d0) = 3605 set_robust_list(0x5555561775e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fa970e28ae0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fa970e291b0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fa970e28b80, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa970e291b0}, 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-executor3732628032", 4096) = 28 brk(0x555556198c40) = 0x555556198c40 brk(0x555556199000) = 0x555556199000 mprotect(0x7fa970eea000, 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 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561775d0) = 3606 ./strace-static-x86_64: Process 3606 attached [pid 3606] set_robust_list(0x5555561775e0, 24) = 0 [pid 3606] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3606] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 3606] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 3606] dup2(4, 202) = 202 [pid 3606] close(4) = 0 [ 41.879736][ T27] audit: type=1400 audit(1666256101.049:75): avc: denied { execmem } for pid=3605 comm="syz-executor373" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 41.899446][ T27] audit: type=1400 audit(1666256101.049:76): avc: denied { mounton } for pid=3606 comm="syz-executor373" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 41.923654][ T27] audit: type=1400 audit(1666256101.049:77): avc: denied { mount } for pid=3606 comm="syz-executor373" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 41.946139][ T27] audit: type=1400 audit(1666256101.049:78): avc: denied { create } for pid=3606 comm="syz-executor373" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 41.966324][ T27] audit: type=1400 audit(1666256101.049:79): avc: denied { read write } for pid=3606 comm="syz-executor373" name="vhci" dev="devtmpfs" ino=1074 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 41.990174][ T27] audit: type=1400 audit(1666256101.049:80): avc: denied { open } for pid=3606 comm="syz-executor373" path="/dev/vhci" dev="devtmpfs" ino=1074 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [pid 3606] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 3606] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa970618000 [pid 3606] mprotect(0x7fa970619000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 3606] clone(child_stack=0x7fa970e183f0, 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=0x7fa970e18700, child_tidptr=0x7fa970e189d0) = 2 [pid 3606] ioctl(3, HCIDEVUP./strace-static-x86_64: Process 3608 attached [pid 3608] set_robust_list(0x7fa970e189e0, 24) = 0 [pid 3608] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 3608] 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 [ 42.945130][ T27] audit: type=1400 audit(1666256102.109:81): avc: denied { ioctl } for pid=3606 comm="syz-executor373" path="socket:[28465]" dev="sockfs" ino=28465 ioctlcmd=0x48c9 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 42.950994][ T3607] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.978372][ T3607] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.985977][ T3607] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [pid 3608] read(202, "\x01\x23\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 3608] 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 [pid 3608] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 3608] 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 3608] read(202, [pid 3606] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 3606] ioctl(3, HCISETSCAN [pid 3608] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 3608] 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 3606] <... ioctl resumed>, 0x7ffd5a5c1360) = 0 [pid 3608] madvise(0x7fa970618000, 8372224, MADV_DONTNEED [pid 3606] 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 [pid 3608] <... madvise resumed>) = 0 [pid 3608] exit(0 [pid 3606] <... writev resumed>) = 13 [pid 3608] <... exit resumed>) = ? [pid 3606] 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 [pid 3608] +++ exited with 0 +++ [pid 3606] <... writev resumed>) = 14 [pid 3606] 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 3606] 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 3606] close(3) = 0 [pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3606] setsid() = 1 [pid 3606] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3606] unshare(CLONE_NEWNS) = 0 [ 42.994193][ T3607] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.002049][ T3607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.009641][ T3607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.018737][ T3606] Bluetooth: hci0: HCI_REQ-0x0c1a [pid 3606] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3606] unshare(CLONE_NEWIPC) = 0 [pid 3606] unshare(CLONE_NEWCGROUP) = 0 [pid 3606] unshare(CLONE_NEWUTS) = 0 [pid 3606] unshare(CLONE_SYSVSEM) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "16777216", 8) = 8 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "536870912", 9) = 9 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "8192", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3606] close(3) = 0 [pid 3606] getpid() = 1 [pid 3606] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561775d0) = 4 ./strace-static-x86_64: Process 3612 attached [pid 3612] set_robust_list(0x5555561775e0, 24) = 0 [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/dev/bus/usb/007/001", O_RDONLY) = 3 [pid 3612] mmap(0x20000000, 4194304, PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_EXECUTABLE, 3, 0) = 0x20000000 [pid 3612] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3612] write(4, "20", 2) = 2 [ 43.087532][ T27] audit: type=1400 audit(1666256102.229:84): avc: denied { mount } for pid=3606 comm="syz-executor373" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 43.105456][ T3612] ------------[ cut here ]------------ [ 43.116192][ T3612] WARNING: CPU: 0 PID: 3612 at arch/x86/mm/pat/memtype.c:1107 untrack_pfn+0x247/0x290 [ 43.126223][ T3612] Modules linked in: [ 43.130372][ T3612] CPU: 0 PID: 3612 Comm: syz-executor373 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 43.140677][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.151001][ T3612] RIP: 0010:untrack_pfn+0x247/0x290 [ 43.156333][ T3612] Code: 84 6c ff ff ff e8 39 56 43 00 4c 89 ee 4c 89 e7 e8 be de ff ff e8 29 56 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 19 56 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 9a fd 8f 00 e9 98 fe ff ff e8 90 [ 43.176240][ T3612] RSP: 0018:ffffc900034476f8 EFLAGS: 00010293 [ 43.182420][ T3612] RAX: 0000000000000000 RBX: ffff88802b695ca0 RCX: 0000000000000000 [ 43.190427][ T3612] RDX: ffff88807d0ba200 RSI: ffffffff81372097 RDI: 0000000000000005 [ 43.198404][ T3612] RBP: 1ffff92000688edf R08: 0000000000000005 R09: 0000000000000000 [ 43.206471][ T3612] R10: 00000000ffffffea R11: 000000000008c07d R12: 00000000ffffffea [ 43.214467][ T3612] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802b695cf0 [ 43.222449][ T3612] FS: 0000555556177300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 43.231401][ T3612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.237974][ T3612] CR2: 000056238c984d88 CR3: 000000001d0a5000 CR4: 00000000003506e0 [ 43.245970][ T3612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.253964][ T3612] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.261952][ T3612] Call Trace: [ 43.265231][ T3612] [ 43.268216][ T3612] ? track_pfn_insert+0x140/0x140 [ 43.273259][ T3612] ? vm_normal_page_pmd+0x5a0/0x5a0 [ 43.278483][ T3612] ? alloc_pages+0x1ae/0x270 [ 43.283103][ T3612] ? unmap_vmas+0x148/0x310 [ 43.287633][ T3612] ? lock_downgrade+0x6e0/0x6e0 [ 43.292972][ T3612] ? uprobe_munmap+0x1c/0x560 [ 43.297671][ T3612] unmap_single_vma+0x1ba/0x360 [ 43.302579][ T3612] unmap_vmas+0x18c/0x310 [ 43.306933][ T3612] ? unmap_mapping_range+0x280/0x280 [ 43.312251][ T3612] ? lock_downgrade+0x6e0/0x6e0 [ 43.317108][ T3612] ? lru_add_drain_cpu+0x474/0x850 [ 43.322241][ T3612] exit_mmap+0x1b8/0x490 [ 43.326497][ T3612] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 43.332497][ T3612] ? lock_release+0x560/0x780 [ 43.337180][ T3612] ? dup_mm+0xb7e/0x13a0 [ 43.341449][ T3612] __mmput+0x122/0x4b0 [ 43.345539][ T3612] mmput+0x56/0x60 [ 43.349302][ T3612] dup_mm+0xdb4/0x13a0 [ 43.353391][ T3612] ? replace_mm_exe_file+0x480/0x480 [ 43.358688][ T3612] ? __raw_spin_lock_init+0x36/0x110 [ 43.363998][ T3612] copy_process+0x3bd3/0x7110 [ 43.368690][ T3612] ? vtime_account_system+0x2c6/0x530 [ 43.374081][ T3612] ? __cleanup_sighand+0xb0/0xb0 [ 43.379044][ T3612] ? trace_hardirqs_on+0x2d/0x120 [ 43.384065][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.389541][ T3612] ? lock_acquire+0x480/0x570 [ 43.394225][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.399896][ T3612] kernel_clone+0xe7/0x8f0 [ 43.404333][ T3612] ? create_io_thread+0xe0/0xe0 [ 43.409225][ T3612] ? rwlock_bug.part.0+0x90/0x90 [ 43.414179][ T3612] ? recalc_sigpending_tsk+0x18f/0x1d0 [ 43.419723][ T3612] ? ptrace_stop.part.0+0x5f4/0x8c0 [ 43.424938][ T3612] __do_sys_clone+0xba/0x100 [ 43.429546][ T3612] ? kernel_clone+0x8f0/0x8f0 [ 43.434244][ T3612] ? _raw_spin_unlock_irq+0x2a/0x40 [ 43.439479][ T3612] ? ptrace_notify+0xfa/0x140 [ 43.444165][ T3612] do_syscall_64+0x35/0xb0 [ 43.448579][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.454544][ T3612] RIP: 0033:0x7fa970e6baa9 [ 43.458977][ T3612] 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 [ 43.478607][ T3612] RSP: 002b:00007ffd5a5c1328 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 43.487419][ T3612] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa970e6baa9 [ 43.495414][ T3612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.503523][ T3612] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 43.511529][ T3612] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd5a5c1370 [ 43.519532][ T3612] R13: 00007ffd5a5c1380 R14: 00007ffd5a5c1390 R15: 00007ffd5a5c1348 [ 43.527509][ T3612] [ 43.530540][ T3612] Kernel panic - not syncing: panic_on_warn set ... [ 43.537123][ T3612] CPU: 1 PID: 3612 Comm: syz-executor373 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 43.547201][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.557254][ T3612] Call Trace: [ 43.560538][ T3612] [ 43.563471][ T3612] dump_stack_lvl+0xcd/0x134 [ 43.568082][ T3612] panic+0x2c8/0x622 [ 43.571995][ T3612] ? panic_print_sys_info.part.0+0x10b/0x10b [ 43.577996][ T3612] ? __warn.cold+0x248/0x2c4 [ 43.582597][ T3612] ? untrack_pfn+0x247/0x290 [ 43.587197][ T3612] __warn.cold+0x259/0x2c4 [ 43.591627][ T3612] ? untrack_pfn+0x247/0x290 [ 43.596224][ T3612] report_bug+0x1bc/0x210 [ 43.600571][ T3612] handle_bug+0x3c/0x70 [ 43.604738][ T3612] exc_invalid_op+0x14/0x40 [ 43.609255][ T3612] asm_exc_invalid_op+0x16/0x20 [ 43.614118][ T3612] RIP: 0010:untrack_pfn+0x247/0x290 [ 43.619338][ T3612] Code: 84 6c ff ff ff e8 39 56 43 00 4c 89 ee 4c 89 e7 e8 be de ff ff e8 29 56 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 19 56 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 9a fd 8f 00 e9 98 fe ff ff e8 90 [ 43.638961][ T3612] RSP: 0018:ffffc900034476f8 EFLAGS: 00010293 [ 43.645034][ T3612] RAX: 0000000000000000 RBX: ffff88802b695ca0 RCX: 0000000000000000 [ 43.653005][ T3612] RDX: ffff88807d0ba200 RSI: ffffffff81372097 RDI: 0000000000000005 [ 43.660977][ T3612] RBP: 1ffff92000688edf R08: 0000000000000005 R09: 0000000000000000 [ 43.668949][ T3612] R10: 00000000ffffffea R11: 000000000008c07d R12: 00000000ffffffea [ 43.676921][ T3612] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802b695cf0 [ 43.684896][ T3612] ? untrack_pfn+0x247/0x290 [ 43.689499][ T3612] ? untrack_pfn+0x247/0x290 [ 43.694099][ T3612] ? track_pfn_insert+0x140/0x140 [ 43.699132][ T3612] ? vm_normal_page_pmd+0x5a0/0x5a0 [ 43.704341][ T3612] ? alloc_pages+0x1ae/0x270 [ 43.708935][ T3612] ? unmap_vmas+0x148/0x310 [ 43.713454][ T3612] ? lock_downgrade+0x6e0/0x6e0 [ 43.718305][ T3612] ? uprobe_munmap+0x1c/0x560 [ 43.722994][ T3612] unmap_single_vma+0x1ba/0x360 [ 43.727867][ T3612] unmap_vmas+0x18c/0x310 [ 43.732212][ T3612] ? unmap_mapping_range+0x280/0x280 [ 43.737517][ T3612] ? lock_downgrade+0x6e0/0x6e0 [ 43.742373][ T3612] ? lru_add_drain_cpu+0x474/0x850 [ 43.747505][ T3612] exit_mmap+0x1b8/0x490 [ 43.751760][ T3612] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 43.757762][ T3612] ? lock_release+0x560/0x780 [ 43.762450][ T3612] ? dup_mm+0xb7e/0x13a0 [ 43.766704][ T3612] __mmput+0x122/0x4b0 [ 43.770795][ T3612] mmput+0x56/0x60 [ 43.774527][ T3612] dup_mm+0xdb4/0x13a0 [ 43.778606][ T3612] ? replace_mm_exe_file+0x480/0x480 [ 43.783920][ T3612] ? __raw_spin_lock_init+0x36/0x110 [ 43.789213][ T3612] copy_process+0x3bd3/0x7110 [ 43.793908][ T3612] ? vtime_account_system+0x2c6/0x530 [ 43.799291][ T3612] ? __cleanup_sighand+0xb0/0xb0 [ 43.804244][ T3612] ? trace_hardirqs_on+0x2d/0x120 [ 43.809287][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.814759][ T3612] ? lock_acquire+0x480/0x570 [ 43.819439][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.824911][ T3612] kernel_clone+0xe7/0x8f0 [ 43.829340][ T3612] ? create_io_thread+0xe0/0xe0 [ 43.834195][ T3612] ? rwlock_bug.part.0+0x90/0x90 [ 43.839135][ T3612] ? recalc_sigpending_tsk+0x18f/0x1d0 [ 43.844610][ T3612] ? ptrace_stop.part.0+0x5f4/0x8c0 [ 43.849819][ T3612] __do_sys_clone+0xba/0x100 [ 43.854420][ T3612] ? kernel_clone+0x8f0/0x8f0 [ 43.859111][ T3612] ? _raw_spin_unlock_irq+0x2a/0x40 [ 43.864321][ T3612] ? ptrace_notify+0xfa/0x140 [ 43.869002][ T3612] do_syscall_64+0x35/0xb0 [ 43.873521][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.879501][ T3612] RIP: 0033:0x7fa970e6baa9 [ 43.883942][ T3612] 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 [ 43.903566][ T3612] RSP: 002b:00007ffd5a5c1328 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 43.911989][ T3612] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa970e6baa9 [ 43.919961][ T3612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 43.927946][ T3612] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 43.935913][ T3612] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd5a5c1370 [ 43.943888][ T3612] R13: 00007ffd5a5c1380 R14: 00007ffd5a5c1390 R15: 00007ffd5a5c1348 [ 43.951860][ T3612] [ 43.955031][ T3612] Kernel Offset: disabled [ 43.959347][ T3612] Rebooting in 86400 seconds..