./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1636589976

<...>
Warning: Permanently added '10.128.1.230' (ED25519) to the list of known hosts.
execve("./syz-executor1636589976", ["./syz-executor1636589976"], 0x7ffc68d2af10 /* 10 vars */) = 0
brk(NULL)                               = 0x5555572d4000
brk(0x5555572d4d40)                     = 0x5555572d4d40
arch_prctl(ARCH_SET_FS, 0x5555572d43c0) = 0
set_tid_address(0x5555572d4690)         = 294
set_robust_list(0x5555572d46a0, 24)     = 0
rseq(0x5555572d4ce0, 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-executor1636589976", 4096) = 28
getrandom("\x61\x0c\x23\xe6\x73\xe2\x9f\x9c", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555572d4d40
brk(0x5555572f5d40)                     = 0x5555572f5d40
brk(0x5555572f6000)                     = 0x5555572f6000
mprotect(0x7f9bb89d7000, 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
write(1, "executing program\n", 18executing program
)     = 18
futex(0x7f9bb89dd3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f9bb8976320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9bb89679a0}, 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) = 0x7f9bb88f2000
mprotect(0x7f9bb88f3000, 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=0x7f9bb8912990, parent_tid=0x7f9bb8912990, exit_signal=0, stack=0x7f9bb88f2000, stack_size=0x20300, tls=0x7f9bb89126c0} => {parent_tid=[295]}, 88) = 295
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f9bb89dd3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f9bb89dd3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 295 attached
 <unfinished ...>
[pid   295] set_robust_list(0x7f9bb89129a0, 24) = 0
[pid   295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   295] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   295] futex(0x7f9bb89dd3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[pid   294] futex(0x7f9bb89dd3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] futex(0x7f9bb89dd3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[pid   295] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   295] futex(0x7f9bb89dd3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[pid   294] futex(0x7f9bb89dd3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] futex(0x7f9bb89dd3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[pid   295] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=00000000"...) = 0
[pid   295] futex(0x7f9bb89dd3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[pid   294] futex(0x7f9bb89dd3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] futex(0x7f9bb89dd3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[pid   295] 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   295] futex(0x7f9bb89dd3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[pid   294] futex(0x7f9bb89dd3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] futex(0x7f9bb89dd3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[   22.106209][   T28] audit: type=1400 audit(1720802795.857:66): avc:  denied  { execmem } for  pid=294 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.125725][   T28] audit: type=1400 audit(1720802795.857:67): avc:  denied  { read write } for  pid=294 comm="syz-executor163" 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
[pid   295] mknod("./file0/../file0/file0", 000 <unfinished ...>
[pid   294] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   294] futex(0x7f9bb89dd3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9bb88d1000
[pid   294] mprotect(0x7f9bb88d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9bb88f1990, parent_tid=0x7f9bb88f1990, exit_signal=0, stack=0x7f9bb88d1000, stack_size=0x20300, tls=0x7f9bb88f16c0} => {parent_tid=[297]}, 88) = 297
[pid   294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   294] futex(0x7f9bb89dd3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] futex(0x7f9bb89dd3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 297 attached
 <unfinished ...>
[pid   297] set_robust_list(0x7f9bb88f19a0, 24) = 0
[pid   297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   297] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x27\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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   297] futex(0x7f9bb89dd3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[pid   294] futex(0x7f9bb89dd3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] futex(0x7f9bb89dd3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[pid   297] read(3, "\x2e\x00\x00\x00\x01\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\x27\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[   22.149683][   T28] audit: type=1400 audit(1720802795.857:68): avc:  denied  { open } for  pid=294 comm="syz-executor163" 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
[   22.173184][   T28] audit: type=1400 audit(1720802795.857:69): avc:  denied  { mounton } for  pid=294 comm="syz-executor163" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   297] write(3, "\xa0\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 160) = 160
[pid   297] futex(0x7f9bb89dd3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   297] futex(0x7f9bb89dd3f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[   22.176229][  T295] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   22.196668][   T28] audit: type=1400 audit(1720802795.867:70): avc:  denied  { mount } for  pid=294 comm="syz-executor163" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   22.207979][  T295] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   22.207999][  T295] CPU: 0 PID: 295 Comm: syz-executor163 Not tainted 6.1.84-syzkaller-00005-g96d66062d076 #0
[   22.208015][  T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   22.208023][  T295] RIP: 0010:filename_create+0x2d8/0x530
[   22.263779][  T295] 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
[   22.283655][  T295] RSP: 0018:ffffc90000c77ce0 EFLAGS: 00010202
[   22.289579][  T295] RAX: 0000000000000002 RBX: 1ffff9200018ef00 RCX: dffffc0000000000
[   22.297537][  T295] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[pid   294] exit_group(0)               = ?
[pid   297] <... futex resumed>)        = ?
[pid   297] +++ exited with 0 +++
[   22.305373][  T295] RBP: ffffc90000c77dd0 R08: ffffffff81cbb018 R09: fffff5200018ef75
[   22.313194][  T295] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   22.321087][  T295] R13: 0000000000000600 R14: 0000000000000010 R15: ffffc90000c77e80
[   22.328895][  T295] FS:  00007f9bb89126c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.338313][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.344725][  T295] CR2: 0000000020004000 CR3: 0000000120e9d000 CR4: 00000000003506b0
[   22.352885][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.360692][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.368503][  T295] Call Trace:
[   22.371637][  T295]  <TASK>
[   22.374415][  T295]  ? __die_body+0x62/0xb0
[   22.378578][  T295]  ? die_addr+0x9f/0xd0
[   22.382566][  T295]  ? exc_general_protection+0x317/0x4c0
[   22.388609][  T295]  ? asm_exc_general_protection+0x27/0x30
[   22.394246][  T295]  ? fast_dput+0x78/0x2a0
[   22.398495][  T295]  ? filename_create+0x2d8/0x530
[   22.403369][  T295]  ? kern_path_create+0x1a0/0x1a0
[   22.408249][  T295]  do_mknodat+0x1a4/0x5c0
[   22.412408][  T295]  ? do_o_path+0x230/0x230
[   22.416663][  T295]  __x64_sys_mknod+0x8e/0xa0
[   22.421296][  T295]  do_syscall_64+0x3d/0xb0
[   22.425551][  T295]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   22.431452][  T295] RIP: 0033:0x7f9bb8950479
[   22.436406][  T295] 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
[   22.456367][  T295] RSP: 002b:00007f9bb8912218 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
[   22.464606][  T295] RAX: ffffffffffffffda RBX: 00007f9bb89dd3e8 RCX: 00007f9bb8950479
[   22.473252][  T295] RDX: 0000000000000700 RSI: 0000000000000000 RDI: 00000000200002c0
[   22.481318][  T295] RBP: 00007f9bb89dd3e0 R08: 0000000000000000 R09: 0000000000000000
[   22.489325][  T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9bb89aa034
[   22.497539][  T295] R13: 00007f9bb89aa050 R14: 00007f9bb89a800e R15: 0030656c69662f30
[   22.505466][  T295]  </TASK>
[   22.508425][  T295] Modules linked in:
[   22.512341][  T295] ---[ end trace 0000000000000000 ]---
[   22.517704][  T295] RIP: 0010:filename_create+0x2d8/0x530
[   22.523091][  T295] 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
[   22.543002][  T295] RSP: 0018:ffffc90000c77ce0 EFLAGS: 00010202
[   22.548978][  T295] RAX: 0000000000000002 RBX: 1ffff9200018ef00 RCX: dffffc0000000000
[   22.557054][  T295] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   22.565208][  T295] RBP: ffffc90000c77dd0 R08: ffffffff81cbb018 R09: fffff5200018ef75
[   22.573071][  T295] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   22.581091][  T295] R13: 0000000000000600 R14: 0000000000000010 R15: ffffc90000c77e80
[   22.588933][  T295] FS:  00007f9bb89126c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.598068][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.604577][  T295] CR2: 0000000020004000 CR3: 0000000120e9d000 CR4: 00000000003506b0
[   22.612435][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.620411][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.628437][  T295] Kernel panic - not syncing: Fatal exception
[   22.634819][  T295] Kernel Offset: disabled
[   22.639067][  T295] Rebooting in 86400 seconds..