./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3765421549

<...>
Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts.
execve("./syz-executor3765421549", ["./syz-executor3765421549"], 0x7ffc34a8a4d0 /* 10 vars */) = 0
brk(NULL)                               = 0x555557119000
brk(0x555557119d40)                     = 0x555557119d40
arch_prctl(ARCH_SET_FS, 0x5555571193c0) = 0
set_tid_address(0x555557119690)         = 295
set_robust_list(0x5555571196a0, 24)     = 0
rseq(0x555557119ce0, 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-executor3765421549", 4096) = 28
getrandom("\x87\xc0\x6d\x9f\x25\x2d\x16\x96", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555557119d40
brk(0x55555713ad40)                     = 0x55555713ad40
brk(0x55555713b000)                     = 0x55555713b000
mprotect(0x7f077a77f000, 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
futex(0x7f077a78540c, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f077a71e460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f077a70fae0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f077a69a000
mprotect(0x7f077a69b000, 131072, PROT_READ|PROT_WRITE) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f077a6ba990, parent_tid=0x7f077a6ba990, exit_signal=0, stack=0x7f077a69a000, stack_size=0x20300, tls=0x7f077a6ba6c0} => {parent_tid=[296]}, 88) = 296
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f077a785408, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f077a78540c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 296 attached
 <unfinished ...>
[pid   296] set_robust_list(0x7f077a6ba9a0, 24) = 0
[pid   296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   296] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   296] futex(0x7f077a78540c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f077a785408, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f077a78540c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   296] futex(0x7f077a78540c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f077a785408, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f077a78540c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   296] futex(0x7f077a78540c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f077a785408, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f077a78540c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] read(3, "\x68\x00\x00\x00\x1a\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x25\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\x01\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 104
[pid   296] futex(0x7f077a78540c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f077a785408, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f077a78540c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80
[pid   296] futex(0x7f077a78540c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f077a785408, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f077a78540c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] read(3,  <unfinished ...>
[pid   295] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   295] futex(0x7f077a78541c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f077a679000
[pid   295] mprotect(0x7f077a67a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   295] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f077a699990, parent_tid=0x7f077a699990, exit_signal=0, stack=0x7f077a679000, stack_size=0x20300, tls=0x7f077a6996c0}./strace-static-x86_64: Process 298 attached
 => {parent_tid=[298]}, 88) = 298
[pid   295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   295] futex(0x7f077a785418, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f077a78541c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   298] set_robust_list(0x7f077a6999a0, 24) = 0
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   20.909641][   T28] audit: type=1400 audit(1695806265.852:66): avc:  denied  { execmem } for  pid=295 comm="syz-executor376" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   20.913871][   T28] audit: type=1400 audit(1695806265.862:67): avc:  denied  { read write } for  pid=295 comm="syz-executor376" name="fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   20.917351][   T28] audit: type=1400 audit(1695806265.862:68): avc:  denied  { open } for  pid=295 comm="syz-executor376" path="/dev/fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   20.920817][   T28] audit: type=1400 audit(1695806265.862:69): avc:  denied  { mounton } for  pid=295 comm="syz-executor376" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   20.924387][   T28] audit: type=1400 audit(1695806265.862:70): avc:  denied  { mount } for  pid=295 comm="syz-executor376" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[pid   298] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid   296] <... read resumed>"\x30\x00\x00\x00\x1b\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2a\x01\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00", 8192) = 48
[pid   296] write(3, "\x20\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32) = 32
[pid   296] futex(0x7f077a78540c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f077a785408, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] <... openat resumed>)       = 4
[pid   298] futex(0x7f077a78541c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f077a785408, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   296] <... futex resumed>)        = 0
[pid   295] futex(0x7f077a78540c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] mknodat(4, "./file0", 0200 <unfinished ...>
[pid   298] <... futex resumed>)        = 1
[pid   298] futex(0x7f077a785418, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   295] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   295] futex(0x7f077a785418, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   295] futex(0x7f077a78541c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] read(3, "\x2e\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x28\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8224) = 46
[pid   298] futex(0x7f077a78541c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f077a785418, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f077a78541c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   298] <... futex resumed>)        = 1
[pid   298] write(3, "\xa8\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 168) = 168
[pid   298] futex(0x7f077a78541c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   298] futex(0x7f077a785418, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[   21.022573][  T296] general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
[   21.034119][  T296] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
[   21.042366][  T296] CPU: 1 PID: 296 Comm: syz-executor376 Not tainted 6.1.25-syzkaller-00046-gae5ea9043de1 #0
[   21.052254][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
[   21.062151][  T296] RIP: 0010:filename_create+0x2d2/0x520
[   21.067534][  T296] Code: 92 00 00 00 4c 89 7c 24 28 45 84 e4 0f 95 c0 83 7c 24 14 00 0f 94 c3 20 c3 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 1f 02 00 00 45 8b 26 41 bd 00 00 70 00 be
[   21.087079][  T296] RSP: 0018:ffffc90000ef7ce0 EFLAGS: 00010206
[   21.092959][  T296] RAX: 0000000000000003 RBX: 1ffff920001def00 RCX: dffffc0000000000
[   21.100774][  T296] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[   21.108587][  T296] RBP: ffffc90000ef7dd0 R08: ffffffff81ca09cb R09: fffff520001def7b
[pid   295] exit_group(0)               = ?
[pid   298] <... futex resumed>)        = ?
[pid   298] +++ exited with 0 +++
[   21.116476][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   21.124293][  T296] R13: 0000000000000600 R14: 0000000000000018 R15: ffffc90000ef7e80
[   21.132104][  T296] FS:  00007f077a6ba6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   21.140881][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.147319][  T296] CR2: 00007f077a699d58 CR3: 0000000121cac000 CR4: 00000000003506a0
[   21.155106][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.162913][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.170724][  T296] Call Trace:
[   21.173854][  T296]  <TASK>
[   21.176633][  T296]  ? kern_path_create+0x1a0/0x1a0
[   21.181492][  T296]  do_mknodat+0x1a4/0x5c0
[   21.185657][  T296]  ? do_o_path+0x230/0x230
[   21.189906][  T296]  ? getname_flags+0x1fd/0x520
[   21.194506][  T296]  __x64_sys_mknodat+0xa9/0xc0
[   21.199105][  T296]  do_syscall_64+0x3d/0xb0
[   21.203361][  T296]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   21.209089][  T296] RIP: 0033:0x7f077a6f85b9
[   21.213362][  T296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b0 ff ff ff f7 d8 64 89 01 48
[   21.232783][  T296] RSP: 002b:00007f077a6ba218 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
[   21.241026][  T296] RAX: ffffffffffffffda RBX: 00007f077a785408 RCX: 00007f077a6f85b9
[   21.248839][  T296] RDX: 0000000000000080 RSI: 00000000200000c0 RDI: 0000000000000004
[   21.256653][  T296] RBP: 00007f077a785400 R08: 0000000000000000 R09: 0000000000000000
[   21.264468][  T296] R10: 0000000000000700 R11: 0000000000000246 R12: 00007f077a752024
[   21.272279][  T296] R13: 0030656c69662f2e R14: 0000000000000003 R15: 00007f077a75204c
[   21.280262][  T296]  </TASK>
[   21.283131][  T296] Modules linked in:
[   21.287618][  T296] ---[ end trace 0000000000000000 ]---
[   21.292931][  T296] RIP: 0010:filename_create+0x2d2/0x520
[   21.298269][  T296] Code: 92 00 00 00 4c 89 7c 24 28 45 84 e4 0f 95 c0 83 7c 24 14 00 0f 94 c3 20 c3 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 1f 02 00 00 45 8b 26 41 bd 00 00 70 00 be
[   21.317830][  T296] RSP: 0018:ffffc90000ef7ce0 EFLAGS: 00010206
[   21.323632][  T296] RAX: 0000000000000003 RBX: 1ffff920001def00 RCX: dffffc0000000000
[   21.331446][  T296] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[   21.339229][  T296] RBP: ffffc90000ef7dd0 R08: ffffffff81ca09cb R09: fffff520001def7b
[   21.347076][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   21.354958][  T296] R13: 0000000000000600 R14: 0000000000000018 R15: ffffc90000ef7e80
[   21.362780][  T296] FS:  00007f077a6ba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.371537][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.377937][  T296] CR2: 0000556ac5f7e658 CR3: 0000000121cac000 CR4: 00000000003506b0
[   21.386050][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.393839][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.401659][  T296] Kernel panic - not syncing: Fatal exception
[   21.407831][  T296] Kernel Offset: disabled
[   21.411949][  T296] Rebooting in 86400 seconds..