./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor471126352

<...>
sshd_t tclass=fifo_file permissive=1
[   12.327533][   T30] audit: type=1400 audit(1712212347.651:64): avc:  denied  { rlimitinh } for  pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.334741][   T30] audit: type=1400 audit(1712212347.651:65): avc:  denied  { siginh } for  pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.223' (ED25519) to the list of known hosts.
execve("./syz-executor471126352", ["./syz-executor471126352"], 0x7ffec5428d10 /* 10 vars */) = 0
brk(NULL)                               = 0x5555561a2000
brk(0x5555561a2d40)                     = 0x5555561a2d40
arch_prctl(ARCH_SET_FS, 0x5555561a23c0) = 0
set_tid_address(0x5555561a2690)         = 292
set_robust_list(0x5555561a26a0, 24)     = 0
rseq(0x5555561a2ce0, 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-executor471126352", 4096) = 27
getrandom("\xd3\x81\xea\x1b\xb6\x07\x17\x31", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555561a2d40
brk(0x5555561c3d40)                     = 0x5555561c3d40
brk(0x5555561c4000)                     = 0x5555561c4000
mprotect(0x7fcb867fe000, 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(0x7fcb868043ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fcb8679e2a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb8678f920}, 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) = 0x7fcb8671a000
mprotect(0x7fcb8671b000, 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=0x7fcb8673a990, parent_tid=0x7fcb8673a990, exit_signal=0, stack=0x7fcb8671a000, stack_size=0x20300, tls=0x7fcb8673a6c0} => {parent_tid=[293]}, 88) = 293
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7fcb868043e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7fcb868043ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 293 attached
 <unfinished ...>
[pid   293] set_robust_list(0x7fcb8673a9a0, 24) = 0
[pid   293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   293] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   293] futex(0x7fcb868043ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7fcb868043e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fcb868043ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   293] futex(0x7fcb868043ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7fcb868043e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fcb868043ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] mount(NULL, "./file0", "fuse", 0, "fd=00000000000000000000003,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=000"...) = 0
[pid   293] futex(0x7fcb868043ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7fcb868043e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fcb868043ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] 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\x24\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   293] futex(0x7fcb868043ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7fcb868043e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fcb868043ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] write(3, "\x20\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x06\x00\x00\x00", 32) = 32
[pid   293] futex(0x7fcb868043ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7fcb868043e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fcb868043ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] read(3,  <unfinished ...>
[pid   292] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   292] futex(0x7fcb868043fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcb866f9000
[pid   292] mprotect(0x7fcb866fa000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb86719990, parent_tid=0x7fcb86719990, exit_signal=0, stack=0x7fcb866f9000, stack_size=0x20300, tls=0x7fcb867196c0} => {parent_tid=[295]}, 88) = 295
./strace-static-x86_64: Process 295 attached
[pid   292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   292] futex(0x7fcb868043f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fcb868043fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] set_robust_list(0x7fcb867199a0, 24) = 0
[pid   295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   295] rmdir("./file0/../file0/file0" <unfinished ...>
[pid   293] <... read resumed>"\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
[pid   293] write(3, "\x90\x00\x00\x00\x00\x00\x00\x00\x04\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"..., 144) = 144
[pid   293] futex(0x7fcb868043ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   21.404018][   T30] audit: type=1400 audit(1712212356.751:66): avc:  denied  { execmem } for  pid=292 comm="syz-executor471" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.410437][   T30] audit: type=1400 audit(1712212356.751:67): avc:  denied  { read write } for  pid=292 comm="syz-executor471" name="fuse" dev="devtmpfs" ino=91 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   21.416151][   T30] audit: type=1400 audit(1712212356.751:68): avc:  denied  { open } for  pid=292 comm="syz-executor471" path="/dev/fuse" dev="devtmpfs" ino=91 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   21.420507][   T30] audit: type=1400 audit(1712212356.751:69): avc:  denied  { mounton } for  pid=292 comm="syz-executor471" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   21.425755][   T30] audit: type=1400 audit(1712212356.751:70): avc:  denied  { mount } for  pid=292 comm="syz-executor471" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[pid   293] futex(0x7fcb868043e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   292] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   292] futex(0x7fcb868043fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[   21.462573][  T295] general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
[   21.474309][  T295] KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
[   21.482850][  T295] CPU: 1 PID: 295 Comm: syz-executor471 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0
[   21.492931][  T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   21.502806][  T295] RIP: 0010:do_rmdir+0x33f/0x630
[pid   292] futex(0x7fcb868043fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[   21.507665][  T295] Code: ff 4c 89 64 24 50 72 0d e8 6e 62 b2 ff 45 89 fc e9 99 00 00 00 49 8d 5f 30 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 e3 72 f4 ff 48 83 3b 00 74 5d e8 38
[   21.527467][  T295] RSP: 0018:ffffc900009c7de0 EFLAGS: 00010202
[   21.533353][  T295] RAX: 0000000000000007 RBX: 0000000000000038 RCX: dffffc0000000000
[   21.541150][  T295] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   21.549052][  T295] RBP: ffffc900009c7f08 R08: ffffffff81c04f00 R09: ffffed102382bf82
[   21.556861][  T295] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811c15fbe0
[   21.564769][  T295] R13: ffffc900009c7e60 R14: 1ffff1102382bf7c R15: 0000000000000008
[   21.572831][  T295] FS:  00007fcb867196c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   21.581809][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.589353][  T295] CR2: 00007fcb86719d58 CR3: 000000011e2d4000 CR4: 00000000003506a0
[   21.597285][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[pid   292] exit_group(0)               = ?
[pid   293] <... futex resumed>)        = ?
[pid   293] +++ exited with 0 +++
[   21.605087][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.614638][  T295] Call Trace:
[   21.617850][  T295]  <TASK>
[   21.620656][  T295]  ? __die_body+0x62/0xb0
[   21.624795][  T295]  ? die_addr+0x9f/0xd0
[   21.628918][  T295]  ? exc_general_protection+0x311/0x4b0
[   21.634383][  T295]  ? asm_exc_general_protection+0x27/0x30
[   21.640886][  T295]  ? dput+0x90/0x320
[   21.644614][  T295]  ? do_rmdir+0x33f/0x630
[   21.648783][  T295]  ? d_delete_notify+0x160/0x160
[   21.653564][  T295]  ? getname_flags+0x1fd/0x520
[   21.658159][  T295]  __x64_sys_rmdir+0x49/0x50
[   21.662589][  T295]  do_syscall_64+0x3d/0xb0
[   21.666836][  T295]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   21.672582][  T295] RIP: 0033:0x7fcb867783f9
[   21.676815][  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
[   21.696426][  T295] RSP: 002b:00007fcb86719218 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
[   21.704672][  T295] RAX: ffffffffffffffda RBX: 00007fcb868043f8 RCX: 00007fcb867783f9
[   21.713354][  T295] RDX: 00007fcb86755b86 RSI: 0000000000000000 RDI: 0000000020000200
[   21.721432][  T295] RBP: 00007fcb868043f0 R08: 00007fff8a763ee7 R09: 0000000000000000
[   21.729250][  T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcb867d101c
[   21.737053][  T295] R13: 00007fcb867d1038 R14: 00007fff8a763e00 R15: 0030656c69662f30
[   21.744869][  T295]  </TASK>
[   21.747728][  T295] Modules linked in:
[   21.751882][  T295] ---[ end trace 801aba9f83302d84 ]---
[   21.757173][  T295] RIP: 0010:do_rmdir+0x33f/0x630
[   21.762019][  T295] Code: ff 4c 89 64 24 50 72 0d e8 6e 62 b2 ff 45 89 fc e9 99 00 00 00 49 8d 5f 30 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 e3 72 f4 ff 48 83 3b 00 74 5d e8 38
[   21.781600][  T295] RSP: 0018:ffffc900009c7de0 EFLAGS: 00010202
[   21.787486][  T295] RAX: 0000000000000007 RBX: 0000000000000038 RCX: dffffc0000000000
[   21.795516][  T295] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   21.803495][  T295] RBP: ffffc900009c7f08 R08: ffffffff81c04f00 R09: ffffed102382bf82
[   21.811316][  T295] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811c15fbe0
[   21.819105][  T295] R13: ffffc900009c7e60 R14: 1ffff1102382bf7c R15: 0000000000000008
[   21.826894][  T295] FS:  00007fcb867196c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.836035][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.842419][  T295] CR2: 0000556cf02d1590 CR3: 000000011e2d4000 CR4: 00000000003506b0
[   21.850223][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.858000][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.865947][  T295] Kernel panic - not syncing: Fatal exception
[   21.872093][  T295] Kernel Offset: disabled
[   21.876146][  T295] Rebooting in 86400 seconds..