./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2161506178

<...>
Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts.
execve("./syz-executor2161506178", ["./syz-executor2161506178"], 0x7ffce5b4eed0 /* 10 vars */) = 0
brk(NULL)                               = 0x555556a70000
brk(0x555556a70d40)                     = 0x555556a70d40
arch_prctl(ARCH_SET_FS, 0x555556a703c0) = 0
set_tid_address(0x555556a70690)         = 286
set_robust_list(0x555556a706a0, 24)     = 0
rseq(0x555556a70ce0, 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-executor2161506178", 4096) = 28
getrandom("\x60\xb6\x95\x5e\xbb\x6d\x9f\xeb", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556a70d40
brk(0x555556a91d40)                     = 0x555556a91d40
brk(0x555556a92000)                     = 0x555556a92000
mprotect(0x7ff70c300000, 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(0x7ff70c30640c, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7ff70c2a0380, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff70c291a00}, 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) = 0x7ff70c219000
mprotect(0x7ff70c21a000, 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=0x7ff70c239990, parent_tid=0x7ff70c239990, exit_signal=0, stack=0x7ff70c219000, stack_size=0x20300, tls=0x7ff70c2396c0} => {parent_tid=[287]}, 88) = 287
./strace-static-x86_64: Process 287 attached
[pid   286] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   287] set_robust_list(0x7ff70c2399a0, 24) = 0
[pid   287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   287] futex(0x7ff70c306408, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   286] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   286] futex(0x7ff70c306408, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   287] <... futex resumed>)        = 0
[pid   286] futex(0x7ff70c30640c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   287] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3
[pid   287] futex(0x7ff70c30640c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   286] <... futex resumed>)        = 0
[pid   287] <... futex resumed>)        = 1
[pid   286] futex(0x7ff70c306408, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   287] mkdir("./file0", 0777 <unfinished ...>
[pid   286] <... futex resumed>)        = 0
[pid   287] <... mkdir resumed>)        = 0
[pid   286] futex(0x7ff70c30640c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   287] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   287] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   286] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   286] futex(0x7ff70c30640c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   286] futex(0x7ff70c30640c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   286] futex(0x7ff70c30640c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   286] futex(0x7ff70c30640c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   286] futex(0x7ff70c30641c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff70c1f8000
[pid   286] mprotect(0x7ff70c1f9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff70c218990, parent_tid=0x7ff70c218990, exit_signal=0, stack=0x7ff70c1f8000, stack_size=0x20300, tls=0x7ff70c2186c0}./strace-static-x86_64: Process 289 attached
 => {parent_tid=[289]}, 88) = 289
[pid   286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   286] futex(0x7ff70c306418, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   286] futex(0x7ff70c30641c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] set_robust_list(0x7ff70c2189a0, 24) = 0
[pid   289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   289] read(3, "\x38\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\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56
[pid   289] futex(0x7ff70c30641c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   286] <... futex resumed>)        = 0
[pid   286] futex(0x7ff70c306418, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   286] futex(0x7ff70c30641c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] <... futex resumed>)        = 1
[pid   289] write(3, "\x18\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00", 24) = 24
[pid   289] futex(0x7ff70c30641c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   286] <... futex resumed>)        = 0
[pid   286] futex(0x7ff70c306418, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   286] futex(0x7ff70c30641c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] <... futex resumed>)        = 1
[pid   289] read(3, "\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\x1f\x01\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00\x00\x00", 8192) = 48
[pid   289] 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 <unfinished ...>
[pid   287] <... openat resumed>)       = 4
[pid   287] futex(0x7ff70c30640c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   287] futex(0x7ff70c306408, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   289] <... write resumed>)        = 32
[pid   289] futex(0x7ff70c30641c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   286] <... futex resumed>)        = 0
[pid   286] futex(0x7ff70c306408, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   287] <... futex resumed>)        = 0
[pid   286] futex(0x7ff70c30640c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   287] read(3,  <unfinished ...>
[pid   289] <... futex resumed>)        = 1
[   20.711086][   T24] audit: type=1400 audit(1708683398.920:66): avc:  denied  { execmem } for  pid=286 comm="syz-executor216" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   20.717411][   T24] audit: type=1400 audit(1708683398.920:67): avc:  denied  { read write } for  pid=286 comm="syz-executor216" name="fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   20.721888][   T24] audit: type=1400 audit(1708683398.920:68): avc:  denied  { open } for  pid=286 comm="syz-executor216" path="/dev/fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   20.726300][   T24] audit: type=1400 audit(1708683398.920:69): avc:  denied  { mounton } for  pid=286 comm="syz-executor216" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   20.729878][   T24] audit: type=1400 audit(1708683398.930:70): avc:  denied  { mount } for  pid=286 comm="syz-executor216" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[pid   289] futex(0x7ff70c306418, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   286] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   286] futex(0x7ff70c30640c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   286] futex(0x7ff70c306418, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   286] futex(0x7ff70c30641c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] mkdirat(4, "./file0", 0400 <unfinished ...>
[pid   287] <... read resumed>"\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\x21\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   287] write(3, "\x90\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\xc7\x88\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x03\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\x7f\x06\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00"..., 144) = 144
[pid   287] futex(0x7ff70c30640c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   20.822901][  T289] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
[   20.834824][  T289] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[   20.843046][  T289] CPU: 1 PID: 289 Comm: syz-executor216 Not tainted 5.10.209-syzkaller-00435-gdd976ecce2ce #0
[   20.853118][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
[   20.863038][  T289] RIP: 0010:filename_create+0x225/0x750
[   20.868385][  T289] Code: 89 e2 e8 ee 96 ff ff 49 89 c4 48 3d 01 f0 ff ff 72 07 e8 de e1 b6 ff eb 5f 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 70 04 00 00 4c 89 64 24 30 45 8b 24 24 bb
[   20.887846][  T289] RSP: 0018:ffffc90000b47d20 EFLAGS: 00010202
[   20.893733][  T289] RAX: 0000000000000001 RBX: ffff88811c4eae00 RCX: dffffc0000000000
[   20.901535][  T289] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[   20.909434][  T289] RBP: ffffc90000b47e10 R08: ffffffff81b65c1b R09: ffffed102389d5c6
[   20.917332][  T289] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000008
[   20.925143][  T289] R13: 1ffff92000168fd1 R14: ffffc90000b47e88 R15: 1ffff92000168fd0
[   20.932955][  T289] FS:  00007ff70c2186c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   20.941732][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.948144][  T289] CR2: 0000000020007000 CR3: 000000011ebac000 CR4: 00000000003506a0
[   20.955955][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.963779][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.971687][  T289] Call Trace:
[   20.974799][  T289]  ? __die_body+0x62/0xb0
[   20.978963][  T289]  ? die_addr+0x9f/0xd0
[   20.982952][  T289]  ? exc_general_protection+0x3ff/0x490
[   20.988335][  T289]  ? asm_exc_general_protection+0x1e/0x30
[   20.993897][  T289]  ? dput+0x8b/0x310
[   20.997616][  T289]  ? filename_create+0x225/0x750
[   21.002391][  T289]  ? __check_object_size+0x2e6/0x3c0
[   21.007513][  T289]  ? kern_path_create+0x40/0x40
[   21.012290][  T289]  do_mkdirat+0xcc/0x2c0
[   21.016364][  T289]  ? do_mknodat+0x450/0x450
[   21.020705][  T289]  ? fpu__clear_all+0x20/0x20
[   21.025222][  T289]  __x64_sys_mkdirat+0x7b/0x90
[   21.029821][  T289]  do_syscall_64+0x34/0x70
[   21.034070][  T289]  entry_SYSCALL_64_after_hwframe+0x61/0xc6
[   21.039798][  T289] RIP: 0033:0x7ff70c27a4a9
[   21.044141][  T289] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[   21.063755][  T289] RSP: 002b:00007ff70c218218 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[pid   287] futex(0x7ff70c306408, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   286] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   21.072003][  T289] RAX: ffffffffffffffda RBX: 00007ff70c306418 RCX: 00007ff70c27a4a9
[   21.079910][  T289] RDX: 0000000000000100 RSI: 0000000020000000 RDI: 0000000000000004
[   21.087705][  T289] RBP: 00007ff70c306410 R08: 0000000000000000 R09: 0000000000000000
[   21.095518][  T289] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff70c2d30dc
[   21.103329][  T289] R13: 000000000000006e R14: 0030656c69662f2e R15: 7fffffffffffffff
[   21.111226][  T289] Modules linked in:
[   21.115226][  T289] ---[ end trace 5456b54a45434785 ]---
[   21.120593][  T289] RIP: 0010:filename_create+0x225/0x750
[   21.125867][  T289] Code: 89 e2 e8 ee 96 ff ff 49 89 c4 48 3d 01 f0 ff ff 72 07 e8 de e1 b6 ff eb 5f 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 70 04 00 00 4c 89 64 24 30 45 8b 24 24 bb
[   21.145451][  T289] RSP: 0018:ffffc90000b47d20 EFLAGS: 00010202
[   21.151326][  T289] RAX: 0000000000000001 RBX: ffff88811c4eae00 RCX: dffffc0000000000
[   21.159143][  T289] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[   21.167296][  T289] RBP: ffffc90000b47e10 R08: ffffffff81b65c1b R09: ffffed102389d5c6
[   21.175095][  T289] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000008
[   21.183700][  T289] R13: 1ffff92000168fd1 R14: ffffc90000b47e88 R15: 1ffff92000168fd0
[   21.191497][  T289] FS:  00007ff70c2186c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.200269][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.206671][  T289] CR2: 000055c59ff24210 CR3: 000000011ebac000 CR4: 00000000003506b0
[   21.214606][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[pid   286] exit_group(0)               = ?
[pid   287] <... futex resumed>)        = ?
[pid   287] +++ exited with 0 +++
[   21.222398][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.230208][  T289] Kernel panic - not syncing: Fatal exception
[   21.236379][  T289] Kernel Offset: disabled
[   21.240504][  T289] Rebooting in 86400 seconds..