./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1326657095

<...>
Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts.
execve("./syz-executor1326657095", ["./syz-executor1326657095"], 0x7fffb50ee2e0 /* 10 vars */) = 0
brk(NULL)                               = 0x555556e38000
brk(0x555556e38d40)                     = 0x555556e38d40
arch_prctl(ARCH_SET_FS, 0x555556e383c0) = 0
set_tid_address(0x555556e38690)         = 296
set_robust_list(0x555556e386a0, 24)     = 0
rseq(0x555556e38ce0, 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-executor1326657095", 4096) = 28
getrandom("\x8f\x1e\xa6\xac\x08\xc5\x6a\xd3", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556e38d40
brk(0x555556e59d40)                     = 0x555556e59d40
brk(0x555556e5a000)                     = 0x555556e5a000
mprotect(0x7f1ba007b000, 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(0x7f1ba00813ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f1ba001e160, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1ba000f7e0}, 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) = 0x7f1b9ff9a000
mprotect(0x7f1b9ff9b000, 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=0x7f1b9ffba990, parent_tid=0x7f1b9ffba990, exit_signal=0, stack=0x7f1b9ff9a000, stack_size=0x20300, tls=0x7f1b9ffba6c0} => {parent_tid=[297]}, 88) = 297
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f1ba00813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f1ba00813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 297 attached
 <unfinished ...>
[pid   297] set_robust_list(0x7f1b9ffba9a0, 24) = 0
[pid   297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   297] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   297] futex(0x7f1ba00813ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f1ba00813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1ba00813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[pid   297] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   297] futex(0x7f1ba00813ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f1ba00813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1ba00813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[pid   297] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   297] futex(0x7f1ba00813ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f1ba00813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1ba00813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[pid   297] 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   297] futex(0x7f1ba00813ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f1ba00813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1ba00813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[pid   297] 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\x90\xa3\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(0x7f1ba00813ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f1ba00813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1ba00813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[   23.373189][   T28] audit: type=1400 audit(1693068135.250:66): avc:  denied  { execmem } for  pid=296 comm="syz-executor132" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.392558][   T28] audit: type=1400 audit(1693068135.260:67): avc:  denied  { read write } for  pid=296 comm="syz-executor132" 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   297] readlink("./file0/file0/file0/file0/file0",  <unfinished ...>
[pid   296] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   296] futex(0x7f1ba00813fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1b9ff79000
[pid   296] mprotect(0x7f1b9ff7a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1b9ff99990, parent_tid=0x7f1b9ff99990, exit_signal=0, stack=0x7f1b9ff79000, stack_size=0x20300, tls=0x7f1b9ff996c0}./strace-static-x86_64: Process 299 attached
 => {parent_tid=[299]}, 88) = 299
[pid   296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   296] futex(0x7f1ba00813f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1ba00813fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] set_robust_list(0x7f1b9ff999a0, 24) = 0
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   299] 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\x29\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8224) = 46
[pid   299] futex(0x7f1ba00813fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f1ba00813f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f1ba00813fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 1
[   23.415857][   T28] audit: type=1400 audit(1693068135.260:68): avc:  denied  { open } for  pid=296 comm="syz-executor132" 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
[   23.440249][   T28] audit: type=1400 audit(1693068135.260:69): avc:  denied  { mounton } for  pid=296 comm="syz-executor132" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.443522][  T297] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   23.463407][   T28] audit: type=1400 audit(1693068135.260:70): avc:  denied  { mount } for  pid=296 comm="syz-executor132" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   23.474487][  T297] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   23.474510][  T297] CPU: 1 PID: 297 Comm: syz-executor132 Not tainted 6.1.25-syzkaller-00067-g4db95aa21ae4 #0
[   23.474532][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[   23.474544][  T297] RIP: 0010:step_into+0x1c4/0x1090
[   23.529415][  T297] Code: c0 0f 85 bb 0b 00 00 44 8b 3b 43 80 3c 34 00 74 0a 48 8b 7c 24 10 e8 2b fd f2 ff 48 8b 9c 24 d8 00 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 a8 0b 00 00 8b 1b 89 de 81 e6 00 00 07
[   23.548860][  T297] RSP: 0018:ffffc90000e578a0 EFLAGS: 00010202
[   23.554752][  T297] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff88811b150000
[   23.562562][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[pid   299] write(3, "\xa0\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x3f\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\xff\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x81\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00"..., 160) = 160
[pid   299] futex(0x7f1ba00813fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   299] futex(0x7f1ba00813f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] exit_group(0)               = ?
[pid   299] <... futex resumed>)        = ?
[pid   299] +++ exited with 0 +++
[   23.570380][  T297] RBP: ffffc90000e579f0 R08: ffffffff81c844b9 R09: ffffed102242c015
[   23.578190][  T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001caf2f
[   23.586000][  T297] R13: ffffc90000e57c20 R14: dffffc0000000000 R15: 0000000000004010
[   23.593812][  T297] FS:  00007f1b9ffba6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   23.602578][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.609001][  T297] CR2: 00007f1b9ff99d58 CR3: 0000000109452000 CR4: 00000000003506a0
[   23.616820][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.624623][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.632476][  T297] Call Trace:
[   23.635563][  T297]  <TASK>
[   23.638341][  T297]  ? __lookup_slow+0x36e/0x3e0
[   23.642947][  T297]  ? lookup_one_len+0x2c0/0x2c0
[   23.647968][  T297]  ? set_root+0x400/0x400
[   23.652224][  T297]  link_path_walk+0x72c/0xee0
[   23.656737][  T297]  ? handle_lookup_down+0x130/0x130
[   23.661774][  T297]  path_lookupat+0xa0/0x450
[   23.666135][  T297]  filename_lookup+0x251/0x600
[   23.670713][  T297]  ? hashlen_string+0x120/0x120
[   23.675399][  T297]  ? strncpy_from_user+0x169/0x2b0
[   23.680342][  T297]  ? getname_flags+0x1fd/0x520
[   23.684942][  T297]  user_path_at_empty+0x43/0x1a0
[   23.689804][  T297]  do_readlinkat+0x114/0x3a0
[   23.694229][  T297]  ? cp_old_stat+0x720/0x720
[   23.698656][  T297]  ? debug_smp_processor_id+0x17/0x20
[   23.703865][  T297]  ? exit_to_user_mode_prepare+0x39/0xa0
[   23.709416][  T297]  __x64_sys_readlink+0x7f/0x90
[   23.714105][  T297]  do_syscall_64+0x3d/0xb0
[   23.718368][  T297]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   23.724083][  T297] RIP: 0033:0x7f1b9fff82b9
[   23.728340][  T297] 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
[   23.747785][  T297] RSP: 002b:00007f1b9ffba218 EFLAGS: 00000246 ORIG_RAX: 0000000000000059
[   23.756023][  T297] RAX: ffffffffffffffda RBX: 00007f1ba00813e8 RCX: 00007f1b9fff82b9
[   23.763921][  T297] RDX: 0000000000001000 RSI: 0000000020000fc0 RDI: 0000000020000080
[   23.771743][  T297] RBP: 00007f1ba00813e0 R08: 0000000000000000 R09: 0000000000000000
[   23.779641][  T297] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1ba004f020
[   23.787440][  T297] R13: 0030656c69662f2e R14: 65646f6d746f6f72 R15: 00007f1ba004f016
[   23.795258][  T297]  </TASK>
[   23.798118][  T297] Modules linked in:
[   23.802600][  T297] ---[ end trace 0000000000000000 ]---
[   23.807916][  T297] RIP: 0010:step_into+0x1c4/0x1090
[   23.812841][  T297] Code: c0 0f 85 bb 0b 00 00 44 8b 3b 43 80 3c 34 00 74 0a 48 8b 7c 24 10 e8 2b fd f2 ff 48 8b 9c 24 d8 00 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 a8 0b 00 00 8b 1b 89 de 81 e6 00 00 07
[   23.832334][  T297] RSP: 0018:ffffc90000e578a0 EFLAGS: 00010202
[   23.838193][  T297] RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff88811b150000
[   23.845979][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.853825][  T297] RBP: ffffc90000e579f0 R08: ffffffff81c844b9 R09: ffffed102242c015
[   23.861627][  T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001caf2f
[   23.869437][  T297] R13: ffffc90000e57c20 R14: dffffc0000000000 R15: 0000000000004010
[   23.877223][  T297] FS:  00007f1b9ffba6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   23.886021][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.892438][  T297] CR2: 00007f1b9ff99d58 CR3: 0000000109452000 CR4: 00000000003506a0
[   23.900336][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.908136][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.915945][  T297] Kernel panic - not syncing: Fatal exception
[   23.922130][  T297] Kernel Offset: disabled
[   23.926255][  T297] Rebooting in 86400 seconds..