./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2821149589

<...>
Warning: Permanently added '10.128.0.174' (ED25519) to the list of known hosts.
execve("./syz-executor2821149589", ["./syz-executor2821149589"], 0x7ffde35a8180 /* 10 vars */) = 0
brk(NULL)                               = 0x555555f39000
brk(0x555555f39d40)                     = 0x555555f39d40
arch_prctl(ARCH_SET_FS, 0x555555f393c0) = 0
set_tid_address(0x555555f39690)         = 292
set_robust_list(0x555555f396a0, 24)     = 0
rseq(0x555555f39ce0, 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-executor2821149589", 4096) = 28
getrandom("\xcd\xf0\x9a\xa9\x70\x00\x12\x66", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555f39d40
brk(0x555555f5ad40)                     = 0x555555f5ad40
brk(0x555555f5b000)                     = 0x555555f5b000
mprotect(0x7f2778207000, 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(0x7f277820d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f27781a93c0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f277819aa40}, 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) = 0x7f2778122000
mprotect(0x7f2778123000, 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=0x7f2778142990, parent_tid=0x7f2778142990, exit_signal=0, stack=0x7f2778122000, stack_size=0x20300, tls=0x7f27781426c0} => {parent_tid=[293]}, 88) = 293
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f277820d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f277820d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 293 attached
 <unfinished ...>
[pid   293] set_robust_list(0x7f27781429a0, 24) = 0
[pid   293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   293] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3
[pid   293] futex(0x7f277820d3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7f277820d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7f277820d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] mkdir("./file0", 0777)      = 0
[pid   293] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[   20.622031][   T30] audit: type=1400 audit(1709282519.905:66): avc:  denied  { execmem } for  pid=292 comm="syz-executor282" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   20.632107][   T30] audit: type=1400 audit(1709282519.915:67): avc:  denied  { read write } for  pid=292 comm="syz-executor282" 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
[   20.638456][   T30] audit: type=1400 audit(1709282519.925:68): avc:  denied  { open } for  pid=292 comm="syz-executor282" 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
[pid   293] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   292] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   292] futex(0x7f277820d3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2778101000
[pid   292] mprotect(0x7f2778102000, 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=0x7f2778121990, parent_tid=0x7f2778121990, exit_signal=0, stack=0x7f2778101000, stack_size=0x20300, tls=0x7f27781216c0} => {parent_tid=[295]}, 88) = 295
[pid   292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   292] futex(0x7f277820d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7f277820d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 295 attached
 <unfinished ...>
[pid   295] set_robust_list(0x7f27781219a0, 24) = 0
[pid   295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[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\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   295] futex(0x7f277820d3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7f277820d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7f277820d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[pid   295] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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   295] futex(0x7f277820d3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7f277820d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7f277820d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[pid   295] 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\x25\x01\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00\x00\x00", 8192) = 48
[pid   295] 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   293] <... openat resumed>)       = 4
[pid   293] futex(0x7f277820d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f277820d3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   295] <... write resumed>)        = 32
[pid   295] futex(0x7f277820d3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7f277820d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   293] <... futex resumed>)        = 0
[pid   292] futex(0x7f277820d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] read(3,  <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[   20.656402][   T30] audit: type=1400 audit(1709282519.925:69): avc:  denied  { mounton } for  pid=292 comm="syz-executor282" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   20.679132][   T30] audit: type=1400 audit(1709282519.925:70): avc:  denied  { mount } for  pid=292 comm="syz-executor282" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[pid   295] futex(0x7f277820d3f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   292] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   292] futex(0x7f277820d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   292] futex(0x7f277820d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   292] futex(0x7f277820d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   292] futex(0x7f277820d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] openat(4, "./file0", O_RDONLY|O_TRUNC|O_NOFOLLOW <unfinished ...>
[pid   293] <... 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\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\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(0x7f277820d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   20.756943][  T295] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
[   20.768500][  T295] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[   20.776742][  T295] CPU: 1 PID: 295 Comm: syz-executor282 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0
[   20.786820][  T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
[   20.796793][  T295] RIP: 0010:path_openat+0x185b/0x2f40
[   20.805140][  T295] Code: b6 04 28 84 c0 0f 85 ef 07 00 00 48 8b 44 24 28 80 60 01 f8 e9 cc ed ff ff e8 e1 ae b2 ff 48 8b 5c 24 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a6 07 00 00 49 89 de 8b 1b be 00 00 70
[   20.824574][  T295] RSP: 0018:ffffc90000987900 EFLAGS: 00010202
[   20.830491][  T295] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff88811e94cf00
[   20.838282][  T295] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[   20.846088][  T295] RBP: ffffc90000987b50 R08: ffffffff81c04f00 R09: ffffed10237acab6
[   20.854033][  T295] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000987ba0
[   20.861891][  T295] R13: dffffc0000000000 R14: 0000000000000008 R15: ffffc90000987da0
[   20.869646][  T295] FS:  00007f27781216c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   20.878425][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.884977][  T295] CR2: 0000000020004d00 CR3: 000000011af99000 CR4: 00000000003506a0
[   20.892783][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.900592][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.908400][  T295] Call Trace:
[   20.911529][  T295]  <TASK>
[   20.914740][  T295]  ? __die_body+0x62/0xb0
[   20.918953][  T295]  ? die_addr+0x9f/0xd0
[   20.922902][  T295]  ? exc_general_protection+0x311/0x4b0
[   20.928284][  T295]  ? asm_exc_general_protection+0x27/0x30
[   20.933833][  T295]  ? dput+0x90/0x320
[   20.937651][  T295]  ? path_openat+0x185b/0x2f40
[   20.942344][  T295]  ? do_filp_open+0x460/0x460
[   20.946853][  T295]  do_filp_open+0x21c/0x460
[   20.951194][  T295]  ? vfs_tmpfile+0x2c0/0x2c0
[   20.955621][  T295]  do_sys_openat2+0x13f/0x830
[   20.960129][  T295]  ? cgroup_leave_frozen+0x164/0x2c0
[   20.965255][  T295]  ? do_sys_open+0x220/0x220
[   20.969679][  T295]  ? ptrace_notify+0x24c/0x350
[   20.974277][  T295]  __x64_sys_openat+0x243/0x290
[   20.978963][  T295]  ? __ia32_sys_open+0x270/0x270
[   20.983746][  T295]  ? __kasan_check_read+0x11/0x20
[   20.988615][  T295]  ? syscall_enter_from_user_mode+0x70/0x1b0
[   20.994415][  T295]  do_syscall_64+0x3d/0xb0
[   20.998669][  T295]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   21.004395][  T295] RIP: 0033:0x7f27781834e9
[   21.008656][  T295] 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
[   21.028092][  T295] RSP: 002b:00007f2778121218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[   21.036334][  T295] RAX: ffffffffffffffda RBX: 00007f277820d3f8 RCX: 00007f27781834e9
[   21.044144][  T295] RDX: 0000000000020200 RSI: 0000000020000080 RDI: 0000000000000004
[pid   293] futex(0x7f277820d3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   292] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   21.051959][  T295] RBP: 00007f277820d3f0 R08: 0000000000000000 R09: 0000000000000000
[   21.059770][  T295] R10: 0000000000000010 R11: 0000000000000246 R12: 00007f27781da0dc
[   21.067580][  T295] R13: 00007f27781d80d8 R14: 0030656c69662f2e R15: 00007ffdf71ddcb8
[   21.075396][  T295]  </TASK>
[   21.078265][  T295] Modules linked in:
[   21.082126][  T295] ---[ end trace 2d309ae21d368858 ]---
[   21.087449][  T295] RIP: 0010:path_openat+0x185b/0x2f40
[   21.092641][  T295] Code: b6 04 28 84 c0 0f 85 ef 07 00 00 48 8b 44 24 28 80 60 01 f8 e9 cc ed ff ff e8 e1 ae b2 ff 48 8b 5c 24 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a6 07 00 00 49 89 de 8b 1b be 00 00 70
[   21.112066][  T295] RSP: 0018:ffffc90000987900 EFLAGS: 00010202
[   21.117969][  T295] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff88811e94cf00
[   21.125790][  T295] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[   21.133590][  T295] RBP: ffffc90000987b50 R08: ffffffff81c04f00 R09: ffffed10237acab6
[   21.141408][  T295] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000987ba0
[   21.149220][  T295] R13: dffffc0000000000 R14: 0000000000000008 R15: ffffc90000987da0
[pid   292] exit_group(0)               = ?
[pid   293] <... futex resumed>)        = ?
[pid   293] +++ exited with 0 +++
[   21.157010][  T295] FS:  00007f27781216c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   21.165805][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.172346][  T295] CR2: 0000000020004d00 CR3: 000000011af99000 CR4: 00000000003506a0
[   21.180344][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.188758][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.196546][  T295] Kernel panic - not syncing: Fatal exception
[   21.202789][  T295] Kernel Offset: disabled
[   21.207174][  T295] Rebooting in 86400 seconds..