./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2457799115

<...>
Warning: Permanently added '10.128.0.173' (ED25519) to the list of known hosts.
execve("./syz-executor2457799115", ["./syz-executor2457799115"], 0x7fffe550f790 /* 10 vars */) = 0
brk(NULL)                               = 0x555583e46000
brk(0x555583e46d40)                     = 0x555583e46d40
arch_prctl(ARCH_SET_FS, 0x555583e463c0) = 0
set_tid_address(0x555583e46690)         = 295
set_robust_list(0x555583e466a0, 24)     = 0
rseq(0x555583e46ce0, 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-executor2457799115", 4096) = 28
getrandom("\x3d\xa2\xc2\x78\x9a\x9b\x45\xc5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555583e46d40
brk(0x555583e67d40)                     = 0x555583e67d40
brk(0x555583e68000)                     = 0x555583e68000
mprotect(0x7f379463f000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
executing program
write(1, "executing program\n", 18)     = 18
futex(0x7f37946453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f37945de4e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f37945cfb60}, 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) = 0x7f379455a000
mprotect(0x7f379455b000, 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=0x7f379457a990, parent_tid=0x7f379457a990, exit_signal=0, stack=0x7f379455a000, stack_size=0x20300, tls=0x7f379457a6c0}./strace-static-x86_64: Process 296 attached
 => {parent_tid=[296]}, 88) = 296
[pid   295] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   296] set_robust_list(0x7f379457a9a0, 24 <unfinished ...>
[pid   295] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   295] futex(0x7f37946453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f37946453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... set_robust_list resumed>) = 0
[pid   296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   296] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   296] futex(0x7f37946453ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = 1
[pid   295] futex(0x7f37946453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f37946453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   296] futex(0x7f37946453ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   296] futex(0x7f37946453e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f37946453e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   295] futex(0x7f37946453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] mount(NULL, "./file0", "fuse", 0, "fd=00000000000000000000003,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=000"...) = 0
[pid   296] futex(0x7f37946453ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f37946453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f37946453ec, 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\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   296] futex(0x7f37946453ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f37946453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f37946453ec, 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\x29\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(0x7f37946453ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f37946453e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f37946453ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[   24.072896][   T30] audit: type=1400 audit(1739779671.600:66): avc:  denied  { execmem } for  pid=295 comm="syz-executor245" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.097559][   T30] audit: type=1400 audit(1739779671.620:67): avc:  denied  { read write } for  pid=295 comm="syz-executor245" 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
[pid   296] read(3,  <unfinished ...>
[pid   295] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   295] futex(0x7f37946453fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3794539000
[pid   295] mprotect(0x7f379453a000, 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=0x7f3794559990, parent_tid=0x7f3794559990, exit_signal=0, stack=0x7f3794539000, stack_size=0x20300, tls=0x7f37945596c0} => {parent_tid=[298]}, 88) = 298
[pid   295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   295] futex(0x7f37946453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f37946453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 298 attached
 <unfinished ...>
[pid   298] set_robust_list(0x7f37945599a0, 24) = 0
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=10, insns=0x400000000680, license=NULL, log_level=4, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 148) = -1 E2BIG (Argument list too long)
[pid   298] futex(0x7f37946453fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7f37946453f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7f37946453fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   298] <... futex resumed>)        = 1
[pid   298] lremovexattr("./file0/../file0/file0", NULL <unfinished ...>
[pid   296] <... 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\x2a\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   296] write(3, "\x95\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\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x11\x00\x00\x00\x0a\x00\x00\x00\x80\x06\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 149) = 149
[pid   296] futex(0x7f37946453ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   24.120904][   T30] audit: type=1400 audit(1739779671.620:68): avc:  denied  { open } for  pid=295 comm="syz-executor245" 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
[   24.144048][   T30] audit: type=1400 audit(1739779671.630:69): avc:  denied  { mounton } for  pid=295 comm="syz-executor245" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   24.166519][   T30] audit: type=1400 audit(1739779671.630:70): avc:  denied  { mount } for  pid=295 comm="syz-executor245" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   24.173265][  T298] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[   24.200153][  T298] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   24.208398][  T298] CPU: 1 PID: 298 Comm: syz-executor245 Not tainted 5.15.178-syzkaller-00193-g058abb720bd1 #0
[   24.218490][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   24.228369][  T298] RIP: 0010:step_into+0x1b6/0xe70
[   24.233231][  T298] Code: 20 0f 85 99 0a 00 00 44 8b 3b 43 80 3c 2c 00 74 0a 48 8b 7c 24 18 e8 99 b6 f3 ff 48 8b 9c 24 b8 00 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 86 0a 00 00 8b 1b 89 de 81 e6 00 00 07
[   24.252660][  T298] RSP: 0018:ffffc900009a7800 EFLAGS: 00010247
[   24.258654][  T298] RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffff88810cf6e2c0
[   24.266461][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.274273][  T298] RBP: ffffc900009a7930 R08: ffffffff81bf1b10 R09: ffffed10242b2815
[   24.282086][  T298] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000134f17
[   24.289900][  T298] R13: dffffc0000000000 R14: ffffc900009a7b20 R15: 0000000000000000
[   24.297708][  T298] FS:  00007f37945596c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   24.306495][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.312899][  T298] CR2: 0000563f823c4148 CR3: 000000011b87c000 CR4: 00000000003506a0
[   24.320713][  T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.328520][  T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.336332][  T298] Call Trace:
[   24.339498][  T298]  <TASK>
[   24.342256][  T298]  ? __die_body+0x62/0xb0
[   24.346399][  T298]  ? die_addr+0x9f/0xd0
[   24.350396][  T298]  ? exc_general_protection+0x311/0x4b0
[   24.355777][  T298]  ? dentry_free+0xbf/0x160
[   24.360114][  T298]  ? asm_exc_general_protection+0x27/0x30
[   24.365671][  T298]  ? step_into+0x160/0xe70
[   24.369920][  T298]  ? step_into+0x1b6/0xe70
[   24.374176][  T298]  ? set_root+0x400/0x400
[   24.378341][  T298]  walk_component+0x359/0x610
[   24.382854][  T298]  ? nd_alloc_stack+0xf0/0xf0
[   24.387367][  T298]  ? handle_lookup_down+0x130/0x130
[   24.392402][  T298]  path_lookupat+0x16d/0x450
[   24.396828][  T298]  filename_lookup+0x230/0x5c0
[   24.401433][  T298]  ? hashlen_string+0x120/0x120
[   24.406119][  T298]  ? getname_flags+0x1fd/0x520
[   24.410715][  T298]  user_path_at_empty+0x43/0x1a0
[   24.415489][  T298]  path_removexattr+0xb3/0x320
[   24.420207][  T298]  ? _raw_spin_unlock_irq+0x4e/0x70
[   24.425241][  T298]  ? listxattr+0x300/0x300
[   24.429496][  T298]  ? ptrace_stop+0x6eb/0xa90
[   24.433922][  T298]  ? _raw_spin_unlock_irq+0x4e/0x70
[   24.438957][  T298]  ? ptrace_notify+0x24c/0x350
[   24.443555][  T298]  ? do_notify_parent+0xa30/0xa30
[   24.448417][  T298]  ? __kasan_check_write+0x14/0x20
[   24.453366][  T298]  __x64_sys_lremovexattr+0x5d/0x70
[   24.458410][  T298]  x64_sys_call+0x545/0x9a0
[   24.462823][  T298]  do_syscall_64+0x3b/0xb0
[   24.467077][  T298]  ? clear_bhb_loop+0x35/0x90
[   24.471589][  T298]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   24.477339][  T298] RIP: 0033:0x7f37945b8639
[   24.481573][  T298] 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
[   24.501385][  T298] RSP: 002b:00007f3794559218 EFLAGS: 00000246 ORIG_RAX: 00000000000000c6
[   24.509621][  T298] RAX: ffffffffffffffda RBX: 00007f37946453f8 RCX: 00007f37945b8639
[pid   296] futex(0x7f37946453e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   295] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   24.517785][  T298] RDX: 00007f37945b8639 RSI: 0000000000000000 RDI: 0000400000000580
[   24.525589][  T298] RBP: 00007f37946453f0 R08: 0000000000000000 R09: 0000000000000000
[   24.534019][  T298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f379461202c
[   24.541829][  T298] R13: 000040000000c280 R14: 0000400000000580 R15: 00007fff8b1eef28
[   24.549644][  T298]  </TASK>
[   24.552505][  T298] Modules linked in:
[   24.559540][  T298] ---[ end trace e71d0f6cc6e2ad5c ]---
[   24.564897][  T298] RIP: 0010:step_into+0x1b6/0xe70
[   24.569688][  T298] Code: 20 0f 85 99 0a 00 00 44 8b 3b 43 80 3c 2c 00 74 0a 48 8b 7c 24 18 e8 99 b6 f3 ff 48 8b 9c 24 b8 00 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 86 0a 00 00 8b 1b 89 de 81 e6 00 00 07
[   24.589431][  T298] RSP: 0018:ffffc900009a7800 EFLAGS: 00010247
[   24.595443][  T298] RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffff88810cf6e2c0
[   24.603364][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.611150][  T298] RBP: ffffc900009a7930 R08: ffffffff81bf1b10 R09: ffffed10242b2815
[   24.619127][  T298] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000134f17
[   24.627073][  T298] R13: dffffc0000000000 R14: ffffc900009a7b20 R15: 0000000000000000
[   24.635027][  T298] FS:  00007f37945596c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.643967][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.650590][  T298] CR2: 0000563f823c3678 CR3: 000000011b87c000 CR4: 00000000003506b0
[   24.658884][  T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.666826][  T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.674807][  T298] Kernel panic - not syncing: Fatal exception
[   24.680871][  T298] Kernel Offset: disabled
[   24.685004][  T298] Rebooting in 86400 seconds..