./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3014115199 <...> Warning: Permanently added '10.128.0.232' (ED25519) to the list of known hosts. execve("./syz-executor3014115199", ["./syz-executor3014115199"], 0x7ffcb1469b00 /* 10 vars */) = 0 brk(NULL) = 0x55557d83c000 brk(0x55557d83cd00) = 0x55557d83cd00 arch_prctl(ARCH_SET_FS, 0x55557d83c380) = 0 set_tid_address(0x55557d83c650) = 5831 set_robust_list(0x55557d83c660, 24) = 0 [ 61.513104][ T30] audit: type=1400 audit(1752241364.682:62): avc: denied { write } for pid=5828 comm="strace-static-x" path="pipe:[3699]" dev="pipefs" ino=3699 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 rseq(0x55557d83cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3014115199", 4096) = 28 getrandom("\x8b\x83\x7f\xce\x9b\x94\x85\xf5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557d83cd00 brk(0x55557d85dd00) = 0x55557d85dd00 brk(0x55557d85e000) = 0x55557d85e000 mprotect(0x7f20b0a44000, 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 executing program write(1, "executing program\n", 18) = 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\xcd\x61\x9b\x11\x58\x0e\xa1\xcf\x1a\x98\x53\x37\xc9", MFD_ALLOW_SEALING) = 4 ftruncate(4, 65535) = 0 [ 61.599151][ T30] audit: type=1400 audit(1752241364.762:63): avc: denied { execmem } for pid=5831 comm="syz-executor301" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 61.620854][ T30] audit: type=1400 audit(1752241364.792:64): avc: denied { read write } for pid=5831 comm="syz-executor301" 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, 0x200000000000) = 5 [ 61.644481][ T30] audit: type=1400 audit(1752241364.792:65): avc: denied { open } for pid=5831 comm="syz-executor301" 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 [ 61.668225][ T30] audit: type=1400 audit(1752241364.812:66): avc: denied { ioctl } for pid=5831 comm="syz-executor301" 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 [ 61.675179][ T5831] ------------[ cut here ]------------ [ 61.698611][ T5831] WARNING: CPU: 0 PID: 5831 at fs/exec.c:118 path_noexec+0x1ca/0x230 [ 61.706724][ T5831] Modules linked in: [ 61.710668][ T5831] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor301 Not tainted 6.16.0-rc5-syzkaller-00121-gbc9ff192a6c9 #0 PREEMPT(full) [ 61.723110][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 61.733218][ T5831] RIP: 0010:path_noexec+0x1ca/0x230 [ 61.738398][ T5831] Code: ff 83 e3 02 48 89 de e8 b4 47 85 ff 48 85 db 41 0f 95 c4 e8 38 4c 85 ff 44 89 e0 5b 5d 41 5c e9 7c 78 54 09 e8 27 4c 85 ff 90 <0f> 0b 90 e9 47 ff ff ff e8 b9 27 ec ff e9 a8 fe ff ff e8 af 27 ec [ 61.758115][ T5831] RSP: 0018:ffffc90003067c70 EFLAGS: 00010293 [ 61.764215][ T5831] RAX: 0000000000000000 RBX: ffff88801debcfe0 RCX: ffffffff8236aa30 [ 61.772204][ T5831] RDX: ffff888024eb0000 RSI: ffffffff8236aae9 RDI: 0000000000000007 [ 61.780164][ T5831] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 [ 61.788149][ T5831] R10: 0000000000000000 R11: 0000000000000001 R12: 0000200000000000 [ 61.796139][ T5831] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000 [ 61.804116][ T5831] FS: 000055557d83c380(0000) GS:ffff888124715000(0000) knlGS:0000000000000000 [ 61.813063][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.819638][ T5831] CR2: 00000000005fdeb8 CR3: 000000006d43b000 CR4: 00000000003526f0 [ 61.827618][ T5831] Call Trace: [ 61.830949][ T5831] [ 61.833888][ T5831] do_mmap+0xd23/0x1210 [ 61.838025][ T5831] ? __pfx_do_mmap+0x10/0x10 [ 61.842644][ T5831] ? __pfx_down_write_killable+0x10/0x10 [ 61.848298][ T5831] vm_mmap_pgoff+0x281/0x450 [ 61.852925][ T5831] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 61.858047][ T5831] ? __fget_files+0x20e/0x3c0 [ 61.862768][ T5831] ksys_mmap_pgoff+0x32c/0x5c0 [ 61.867535][ T5831] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.872761][ T5831] __x64_sys_mmap+0x125/0x190 [ 61.877441][ T5831] do_syscall_64+0xcd/0x4c0 [ 61.881961][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.887848][ T5831] RIP: 0033:0x7f20b09d13e9 [ 61.892269][ T5831] 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 [ 61.911949][ T5831] RSP: 002b:00007ffc53fda5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 61.920363][ T5831] RAX: ffffffffffffffda RBX: 00007ffc53fda7a8 RCX: 00007f20b09d13e9 [ 61.928324][ T5831] RDX: 000000000100000e RSI: 0000000000003000 RDI: 0000200000000000 [ 61.936302][ T5831] RBP: 00007f20b0a44610 R08: 0000000000000005 R09: 0000000000000000 [ 61.944288][ T5831] R10: 0000000000000013 R11: 0000000000000246 R12: 0000000000000001 [ 61.952269][ T5831] R13: 00007ffc53fda798 R14: 0000000000000001 R15: 0000000000000001 [ 61.960273][ T5831] [ 61.963285][ T5831] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.970541][ T5831] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor301 Not tainted 6.16.0-rc5-syzkaller-00121-gbc9ff192a6c9 #0 PREEMPT(full) [ 61.982932][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 61.992968][ T5831] Call Trace: [ 61.996232][ T5831] [ 61.999147][ T5831] dump_stack_lvl+0x3d/0x1f0 [ 62.003729][ T5831] panic+0x71c/0x800 [ 62.007616][ T5831] ? __pfx_panic+0x10/0x10 [ 62.012023][ T5831] ? show_trace_log_lvl+0x29b/0x3e0 [ 62.017216][ T5831] ? check_panic_on_warn+0x1f/0xb0 [ 62.022317][ T5831] ? path_noexec+0x1ca/0x230 [ 62.026895][ T5831] check_panic_on_warn+0xab/0xb0 [ 62.031829][ T5831] __warn+0xf6/0x3c0 [ 62.035706][ T5831] ? path_noexec+0x1ca/0x230 [ 62.040281][ T5831] report_bug+0x3c3/0x580 [ 62.044601][ T5831] ? path_noexec+0x1ca/0x230 [ 62.049177][ T5831] handle_bug+0x184/0x210 [ 62.053497][ T5831] exc_invalid_op+0x17/0x50 [ 62.057980][ T5831] asm_exc_invalid_op+0x1a/0x20 [ 62.062814][ T5831] RIP: 0010:path_noexec+0x1ca/0x230 [ 62.068002][ T5831] Code: ff 83 e3 02 48 89 de e8 b4 47 85 ff 48 85 db 41 0f 95 c4 e8 38 4c 85 ff 44 89 e0 5b 5d 41 5c e9 7c 78 54 09 e8 27 4c 85 ff 90 <0f> 0b 90 e9 47 ff ff ff e8 b9 27 ec ff e9 a8 fe ff ff e8 af 27 ec [ 62.087595][ T5831] RSP: 0018:ffffc90003067c70 EFLAGS: 00010293 [ 62.093645][ T5831] RAX: 0000000000000000 RBX: ffff88801debcfe0 RCX: ffffffff8236aa30 [ 62.101599][ T5831] RDX: ffff888024eb0000 RSI: ffffffff8236aae9 RDI: 0000000000000007 [ 62.109550][ T5831] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 [ 62.117504][ T5831] R10: 0000000000000000 R11: 0000000000000001 R12: 0000200000000000 [ 62.125458][ T5831] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000 [ 62.133417][ T5831] ? path_noexec+0x110/0x230 [ 62.137993][ T5831] ? path_noexec+0x1c9/0x230 [ 62.142574][ T5831] do_mmap+0xd23/0x1210 [ 62.146716][ T5831] ? __pfx_do_mmap+0x10/0x10 [ 62.151287][ T5831] ? __pfx_down_write_killable+0x10/0x10 [ 62.156913][ T5831] vm_mmap_pgoff+0x281/0x450 [ 62.161506][ T5831] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 62.166607][ T5831] ? __fget_files+0x20e/0x3c0 [ 62.171274][ T5831] ksys_mmap_pgoff+0x32c/0x5c0 [ 62.176027][ T5831] ? _raw_spin_unlock_irq+0x23/0x50 [ 62.181213][ T5831] __x64_sys_mmap+0x125/0x190 [ 62.185881][ T5831] do_syscall_64+0xcd/0x4c0 [ 62.190374][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.196250][ T5831] RIP: 0033:0x7f20b09d13e9 [ 62.200661][ T5831] 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 [ 62.220251][ T5831] RSP: 002b:00007ffc53fda5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 62.228647][ T5831] RAX: ffffffffffffffda RBX: 00007ffc53fda7a8 RCX: 00007f20b09d13e9 [ 62.236605][ T5831] RDX: 000000000100000e RSI: 0000000000003000 RDI: 0000200000000000 [ 62.244574][ T5831] RBP: 00007f20b0a44610 R08: 0000000000000005 R09: 0000000000000000 [ 62.252537][ T5831] R10: 0000000000000013 R11: 0000000000000246 R12: 0000000000000001 [ 62.260489][ T5831] R13: 00007ffc53fda798 R14: 0000000000000001 R15: 0000000000000001 [ 62.268451][ T5831] [ 62.271667][ T5831] Kernel Offset: disabled [ 62.275968][ T5831] Rebooting in 86400 seconds..