./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4048085065
<...>
Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts.
execve("./syz-executor4048085065", ["./syz-executor4048085065"], 0x7ffe31cc6210 /* 10 vars */) = 0
brk(NULL) = 0x555587755000
brk(0x555587755d00) = 0x555587755d00
arch_prctl(ARCH_SET_FS, 0x555587755380) = 0
set_tid_address(0x555587755650) = 5835
set_robust_list(0x555587755660, 24) = 0
rseq(0x555587755ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4048085065", 4096) = 28
[ 65.366077][ T30] audit: type=1400 audit(1753139279.334:62): avc: denied { write } for pid=5832 comm="strace-static-x" path="pipe:[3720]" dev="pipefs" ino=3720 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
getrandom("\xc0\x0d\x85\xc6\xa8\x66\xe2\x10", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555587755d00
brk(0x555587776d00) = 0x555587776d00
brk(0x555587777000) = 0x555587777000
mprotect(0x7f69fe53e000, 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, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18executing program
) = 18
openat(AT_FDCWD, "/dev/udmabuf", O_RDWR) = 3
memfd_create("\x79\x10\x35\xfb\xf7\x75\x83\x25\x3a\x72\xc2\xb9\x78\xa4\x71\xc1\xea\x5f\x8c\x5a\x37\xe7\x61\x9b\x11\x78\x0e\xa1\xcf\x1a\x98\x53\x37\xc9", MFD_ALLOW_SEALING) = 4
ftruncate(4, 65535) = 0
[ 65.518500][ T30] audit: type=1400 audit(1753139279.484:63): avc: denied { execmem } for pid=5835 comm="syz-executor404" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 65.538444][ T30] audit: type=1400 audit(1753139279.494:64): avc: denied { read write } for pid=5835 comm="syz-executor404" name="udmabuf" dev="devtmpfs" ino=701 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
fcntl(4, F_ADD_SEALS, F_SEAL_SEAL|F_SEAL_SHRINK|F_SEAL_GROW) = 0
ioctl(3, UDMABUF_CREATE, 0x2000000002c0) = 5
fcntl(5, F_DUPFD, 5) = 6
[ 65.562266][ T30] audit: type=1400 audit(1753139279.494:65): avc: denied { open } for pid=5835 comm="syz-executor404" path="/dev/udmabuf" dev="devtmpfs" ino=701 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 65.586069][ T30] audit: type=1400 audit(1753139279.544:66): avc: denied { ioctl } for pid=5835 comm="syz-executor404" path="/dev/udmabuf" dev="devtmpfs" ino=701 ioctlcmd=0x7542 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 65.606007][ T5835] ------------[ cut here ]------------
[ 65.616489][ T5835] WARNING: CPU: 1 PID: 5835 at fs/exec.c:118 path_noexec+0x1ca/0x230
[ 65.624609][ T5835] Modules linked in:
[ 65.628561][ T5835] CPU: 1 UID: 0 PID: 5835 Comm: syz-executor404 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full)
[ 65.639300][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 65.649409][ T5835] RIP: 0010:path_noexec+0x1ca/0x230
[ 65.654651][ T5835] Code: ff 83 e3 02 48 89 de e8 34 cf 86 ff 48 85 db 41 0f 95 c4 e8 b8 d3 86 ff 44 89 e0 5b 5d 41 5c c3 cc cc cc cc e8 a7 d3 86 ff 90 <0f> 0b 90 e9 47 ff ff ff e8 49 27 ec ff e9 a8 fe ff ff e8 3f 27 ec
[ 65.674294][ T5835] RSP: 0018:ffffc90003e1fc70 EFLAGS: 00010293
[ 65.680337][ T5835] RAX: 0000000000000000 RBX: ffff88801debcfe0 RCX: ffffffff82351410
[ 65.688315][ T5835] RDX: ffff88807ca58000 RSI: ffffffff823514c9 RDI: 0000000000000007
[ 65.696301][ T5835] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 65.704287][ T5835] R10: 0000000000000000 R11: 0000000000000001 R12: 0000200000ffd000
[ 65.712257][ T5835] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000
[ 65.720261][ T5835] FS: 0000555587755380(0000) GS:ffff888124820000(0000) knlGS:0000000000000000
[ 65.729205][ T5835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 65.735825][ T5835] CR2: 00000000005fdeb8 CR3: 000000007f9f6000 CR4: 00000000003526f0
[ 65.743811][ T5835] Call Trace:
[ 65.747072][ T5835]
[ 65.749982][ T5835] do_mmap+0xd23/0x1210
[ 65.754189][ T5835] ? __pfx_do_mmap+0x10/0x10
[ 65.758783][ T5835] ? __pfx_down_write_killable+0x10/0x10
[ 65.764474][ T5835] vm_mmap_pgoff+0x281/0x450
[ 65.769074][ T5835] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 65.774219][ T5835] ? __fget_files+0x20e/0x3c0
[ 65.778902][ T5835] ksys_mmap_pgoff+0x32c/0x5c0
[ 65.783676][ T5835] ? _raw_spin_unlock_irq+0x23/0x50
[ 65.788878][ T5835] __x64_sys_mmap+0x125/0x190
[ 65.793594][ T5835] do_syscall_64+0xcd/0x4c0
[ 65.798094][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 65.804013][ T5835] RIP: 0033:0x7f69fe4cb3e9
[ 65.808432][ T5835] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 65.828069][ T5835] RSP: 002b:00007ffcb859aa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 65.836505][ T5835] RAX: ffffffffffffffda RBX: 00007ffcb859abe8 RCX: 00007f69fe4cb3e9
[ 65.844503][ T5835] RDX: 0000000000000002 RSI: 0000000000001000 RDI: 0000200000ffd000
[ 65.852497][ T5835] RBP: 00007f69fe53e610 R08: 0000000000000006 R09: 0000000000000000
[ 65.860546][ T5835] R10: 0000000000008013 R11: 0000000000000246 R12: 0000000000000001
[ 65.868545][ T5835] R13: 00007ffcb859abd8 R14: 0000000000000001 R15: 0000000000000001
[ 65.876621][ T5835]
[ 65.879664][ T5835] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 65.886931][ T5835] CPU: 1 UID: 0 PID: 5835 Comm: syz-executor404 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full)
[ 65.897589][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 65.907639][ T5835] Call Trace:
[ 65.910902][ T5835]
[ 65.913817][ T5835] dump_stack_lvl+0x3d/0x1f0
[ 65.918404][ T5835] panic+0x71c/0x800
[ 65.922292][ T5835] ? __pfx_panic+0x10/0x10
[ 65.926698][ T5835] ? show_trace_log_lvl+0x29b/0x3e0
[ 65.931892][ T5835] ? check_panic_on_warn+0x1f/0xb0
[ 65.936995][ T5835] ? path_noexec+0x1ca/0x230
[ 65.941596][ T5835] check_panic_on_warn+0xab/0xb0
[ 65.946567][ T5835] __warn+0xf6/0x3c0
[ 65.950457][ T5835] ? path_noexec+0x1ca/0x230
[ 65.955043][ T5835] report_bug+0x3c3/0x580
[ 65.959367][ T5835] ? path_noexec+0x1ca/0x230
[ 65.963946][ T5835] handle_bug+0x184/0x210
[ 65.968264][ T5835] exc_invalid_op+0x17/0x50
[ 65.972754][ T5835] asm_exc_invalid_op+0x1a/0x20
[ 65.977588][ T5835] RIP: 0010:path_noexec+0x1ca/0x230
[ 65.982776][ T5835] Code: ff 83 e3 02 48 89 de e8 34 cf 86 ff 48 85 db 41 0f 95 c4 e8 b8 d3 86 ff 44 89 e0 5b 5d 41 5c c3 cc cc cc cc e8 a7 d3 86 ff 90 <0f> 0b 90 e9 47 ff ff ff e8 49 27 ec ff e9 a8 fe ff ff e8 3f 27 ec
[ 66.002368][ T5835] RSP: 0018:ffffc90003e1fc70 EFLAGS: 00010293
[ 66.008423][ T5835] RAX: 0000000000000000 RBX: ffff88801debcfe0 RCX: ffffffff82351410
[ 66.016377][ T5835] RDX: ffff88807ca58000 RSI: ffffffff823514c9 RDI: 0000000000000007
[ 66.024334][ T5835] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 66.032285][ T5835] R10: 0000000000000000 R11: 0000000000000001 R12: 0000200000ffd000
[ 66.040258][ T5835] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000
[ 66.048217][ T5835] ? path_noexec+0x110/0x230
[ 66.052799][ T5835] ? path_noexec+0x1c9/0x230
[ 66.057381][ T5835] do_mmap+0xd23/0x1210
[ 66.061527][ T5835] ? __pfx_do_mmap+0x10/0x10
[ 66.066104][ T5835] ? __pfx_down_write_killable+0x10/0x10
[ 66.071725][ T5835] vm_mmap_pgoff+0x281/0x450
[ 66.076305][ T5835] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 66.081405][ T5835] ? __fget_files+0x20e/0x3c0
[ 66.086070][ T5835] ksys_mmap_pgoff+0x32c/0x5c0
[ 66.090818][ T5835] ? _raw_spin_unlock_irq+0x23/0x50
[ 66.096008][ T5835] __x64_sys_mmap+0x125/0x190
[ 66.100681][ T5835] do_syscall_64+0xcd/0x4c0
[ 66.105170][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 66.111056][ T5835] RIP: 0033:0x7f69fe4cb3e9
[ 66.115457][ T5835] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 66.135048][ T5835] RSP: 002b:00007ffcb859aa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 66.143444][ T5835] RAX: ffffffffffffffda RBX: 00007ffcb859abe8 RCX: 00007f69fe4cb3e9
[ 66.151400][ T5835] RDX: 0000000000000002 RSI: 0000000000001000 RDI: 0000200000ffd000
[ 66.159351][ T5835] RBP: 00007f69fe53e610 R08: 0000000000000006 R09: 0000000000000000
[ 66.167307][ T5835] R10: 0000000000008013 R11: 0000000000000246 R12: 0000000000000001
[ 66.175264][ T5835] R13: 00007ffcb859abd8 R14: 0000000000000001 R15: 0000000000000001
[ 66.183227][ T5835]
[ 66.186461][ T5835] Kernel Offset: disabled
[ 66.190772][ T5835] Rebooting in 86400 seconds..