./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2942087106
<...>
Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts.
execve("./syz-executor2942087106", ["./syz-executor2942087106"], 0x7fff1736f110 /* 10 vars */) = 0
brk(NULL) = 0x555579673000
brk(0x555579673d40) = 0x555579673d40
arch_prctl(ARCH_SET_FS, 0x5555796733c0) = 0
set_tid_address(0x555579673690) = 295
set_robust_list(0x5555796736a0, 24) = 0
rseq(0x555579673ce0, 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-executor2942087106", 4096) = 28
getrandom("\xa6\xaa\x1e\xe4\xe2\x9f\x6c\xca", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555579673d40
brk(0x555579694d40) = 0x555579694d40
brk(0x555579695000) = 0x555579695000
mprotect(0x7f8d4dc1d000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0executing program
) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18) = 18
futex(0x7f8d4dc233ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f8d4dbbc3e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8d4dbada60}, 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) = 0x7f8d4db38000
mprotect(0x7f8d4db39000, 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=0x7f8d4db58990, parent_tid=0x7f8d4db58990, exit_signal=0, stack=0x7f8d4db38000, stack_size=0x20300, tls=0x7f8d4db586c0} => {parent_tid=[296]}, 88) = 296
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f8d4dc233e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f8d4dc233ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 296 attached
<unfinished ...>
[pid 296] set_robust_list(0x7f8d4db589a0, 24) = 0
[pid 296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 296] mkdir("./file0", 000) = 0
[pid 296] futex(0x7f8d4dc233ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 295] <... futex resumed>) = 0
[pid 295] futex(0x7f8d4dc233e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 295] futex(0x7f8d4dc233ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 296] <... futex resumed>) = 1
[pid 296] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid 296] futex(0x7f8d4dc233ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 295] <... futex resumed>) = 0
[pid 295] futex(0x7f8d4dc233e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 295] futex(0x7f8d4dc233ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 296] <... futex resumed>) = 1
[pid 296] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=00000000"...) = 0
[pid 296] futex(0x7f8d4dc233ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 295] <... futex resumed>) = 0
[pid 295] futex(0x7f8d4dc233e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 295] futex(0x7f8d4dc233ec, 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\x26\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\x09\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(0x7f8d4dc233ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 295] <... futex resumed>) = 0
[pid 295] futex(0x7f8d4dc233e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 295] futex(0x7f8d4dc233ec, 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\x27\x00\x00\x00\x00\x00\x00\x00\x1a\x00\x01\x08\x6d\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\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(0x7f8d4dc233ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 295] <... futex resumed>) = 0
[pid 295] futex(0x7f8d4dc233e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 295] futex(0x7f8d4dc233ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 296] <... futex resumed>) = 1
[ 21.503716][ T28] audit: type=1400 audit(1745173331.943:66): avc: denied { execmem } for pid=295 comm="syz-executor294" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 21.512415][ T28] audit: type=1400 audit(1745173331.953:67): avc: denied { read write } for pid=295 comm="syz-executor294" 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
[ 21.517513][ T28] audit: type=1400 audit(1745173331.953:68): avc: denied { open } for pid=295 comm="syz-executor294" 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
[ 21.522132][ T28] audit: type=1400 audit(1745173331.953:69): avc: denied { mounton } for pid=295 comm="syz-executor294" 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 296] read(3, <unfinished ...>
[pid 295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 295] futex(0x7f8d4dc233fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8d4db17000
[pid 295] mprotect(0x7f8d4db18000, 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=0x7f8d4db37990, parent_tid=0x7f8d4db37990, exit_signal=0, stack=0x7f8d4db17000, stack_size=0x20300, tls=0x7f8d4db376c0}./strace-static-x86_64: Process 298 attached
=> {parent_tid=[298]}, 88) = 298
[pid 295] rt_sigprocmask(SIG_SETMASK, [], <unfinished ...>
[pid 298] set_robust_list(0x7f8d4db379a0, 24 <unfinished ...>
[pid 295] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 295] futex(0x7f8d4dc233f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 295] futex(0x7f8d4dc233fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 298] <... set_robust_list resumed>) = 0
[pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 298] rename("./file0/../file0/file0", "./file0/../file0/file0" <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, "\xae\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\x01\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfd\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00"..., 174) = 174
[pid 296] futex(0x7f8d4dc233ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 21.540593][ T28] audit: type=1400 audit(1745173331.953:70): avc: denied { mount } for pid=295 comm="syz-executor294" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[ 21.565443][ T298] general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
[ 21.576953][ T298] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
[ 21.585203][ T298] CPU: 1 PID: 298 Comm: syz-executor294 Not tainted 6.1.129-syzkaller-00014-gbc3d1d352ab6 #0
[ 21.595193][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 21.605099][ T298] RIP: 0010:do_renameat2+0x6fd/0x1480
[ 21.610282][ T298] Code: f2 e8 87 f0 fe ff 48 89 c3 48 3d 01 f0 ff ff 72 12 e8 07 6e ab ff 41 89 de 48 8b 5c 24 18 e9 6f 05 00 00 49 89 de 49 c1 ee 03 <43> 0f b6 04 26 84 c0 0f 85 8a 07 00 00 48 89 5c 24 40 8b 1b be 00
[ 21.629721][ T298] RSP: 0018:ffffc90000ee7c20 EFLAGS: 00010207
[ 21.635630][ T298] RAX: 000000000000001e RBX: 000000000000001e RCX: ffff88811068bcc0
[ 21.643440][ T298] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[ 21.651248][ T298] RBP: ffffc90000ee7ee8 R08: ffffffff81cbeed8 R09: fffff520001dcf5d
[ 21.659058][ T298] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 21.666869][ T298] R13: ffffc90000ee7e08 R14: 0000000000000003 R15: ffff8881238ec140
[ 21.674680][ T298] FS: 00007f8d4db376c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 21.683458][ T298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 21.689869][ T298] CR2: 0000564ccd385000 CR3: 000000012501e000 CR4: 00000000003506a0
[ 21.697699][ T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 21.705493][ T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 21.713304][ T298] Call Trace:
[ 21.716437][ T298] <TASK>
[ 21.719206][ T298] ? __die_body+0x62/0xb0
[ 21.723374][ T298] ? die_addr+0x9f/0xd0
[ 21.727380][ T298] ? exc_general_protection+0x317/0x4c0
[ 21.732749][ T298] ? asm_exc_general_protection+0x27/0x30
[ 21.738301][ T298] ? fast_dput+0x78/0x2a0
[ 21.742466][ T298] ? do_renameat2+0x6fd/0x1480
[ 21.747082][ T298] ? fsnotify_move+0x4e0/0x4e0
[ 21.751672][ T298] ? __check_object_size+0x48e/0x650
[ 21.756792][ T298] ? getname_flags+0x1fd/0x520
[ 21.761399][ T298] __x64_sys_rename+0x86/0x90
[ 21.765901][ T298] x64_sys_call+0x266/0x9a0
[ 21.770243][ T298] do_syscall_64+0x3b/0x80
[ 21.774526][ T298] ? clear_bhb_loop+0x55/0xb0
[ 21.779007][ T298] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 21.784735][ T298] RIP: 0033:0x7f8d4db96539
[ 21.788988][ 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
[ 21.808432][ T298] RSP: 002b:00007f8d4db37218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 21.816684][ T298] RAX: ffffffffffffffda RBX: 00007f8d4dc233f8 RCX: 00007f8d4db96539
[ 21.824530][ T298] RDX: 00007f8d4db73c96 RSI: 00002000000000c0 RDI: 0000200000000100
[ 21.832298][ T298] RBP: 00007f8d4dc233f0 R08: 00007fff4cf42a67 R09: 0000000000000000
[ 21.840111][ T298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d4dbf0034
[pid 296] futex(0x7f8d4dc233e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 21.847919][ T298] R13: 0000200000008280 R14: 0000200000000100 R15: 00007fff4cf42a68
[ 21.855734][ T298] </TASK>
[ 21.858596][ T298] Modules linked in:
[ 21.863056][ T298] ---[ end trace 0000000000000000 ]---
[ 21.868424][ T298] RIP: 0010:do_renameat2+0x6fd/0x1480
[ 21.873569][ T298] Code: f2 e8 87 f0 fe ff 48 89 c3 48 3d 01 f0 ff ff 72 12 e8 07 6e ab ff 41 89 de 48 8b 5c 24 18 e9 6f 05 00 00 49 89 de 49 c1 ee 03 <43> 0f b6 04 26 84 c0 0f 85 8a 07 00 00 48 89 5c 24 40 8b 1b be 00
[ 21.893049][ T298] RSP: 0018:ffffc90000ee7c20 EFLAGS: 00010207
[ 21.898927][ T298] RAX: 000000000000001e RBX: 000000000000001e RCX: ffff88811068bcc0
[ 21.906701][ T298] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[ 21.914510][ T298] RBP: ffffc90000ee7ee8 R08: ffffffff81cbeed8 R09: fffff520001dcf5d
[ 21.922358][ T298] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 21.930130][ T298] R13: ffffc90000ee7e08 R14: 0000000000000003 R15: ffff8881238ec140
[ 21.937963][ T298] FS: 00007f8d4db376c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 21.946720][ T298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 21.953121][ T298] CR2: 0000564ccd385000 CR3: 000000012501e000 CR4: 00000000003506a0
[ 21.960952][ T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 21.968754][ T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 21.976573][ T298] Kernel panic - not syncing: Fatal exception
[ 21.982782][ T298] Kernel Offset: disabled
[ 21.986907][ T298] Rebooting in 86400 seconds..