./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3425293043 <...> Warning: Permanently added '10.128.1.125' (ED25519) to the list of known hosts. execve("./syz-executor3425293043", ["./syz-executor3425293043"], 0x7ffd2e353a80 /* 10 vars */) = 0 brk(NULL) = 0x55558b48e000 brk(0x55558b48ed00) = 0x55558b48ed00 arch_prctl(ARCH_SET_FS, 0x55558b48e380) = 0 set_tid_address(0x55558b48e650) = 296 set_robust_list(0x55558b48e660, 24) = 0 rseq(0x55558b48eca0, 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-executor3425293043", 4096) = 28 getrandom("\xb8\x99\xf3\x42\x72\xfb\x78\xfd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558b48ed00 brk(0x55558b4afd00) = 0x55558b4afd00 brk(0x55558b4b0000) = 0x55558b4b0000 mprotect(0x7fa1e5e3f000, 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/ashmem", O_RDONLY) = 3 ioctl(3, ASHMEM_SET_SIZE, 0xffffffffffffff00) = 0 [ 21.806578][ T36] audit: type=1400 audit(1750424478.080:64): avc: denied { execmem } for pid=296 comm="syz-executor342" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.808532][ T296] rust_kernel: panicked at /syzkaller/managers/ci2-android-6-12-rust/kernel/rust/kernel/page_size_compat.rs:60:5: [ 21.808532][ T296] attempt to add with overflow [ 21.826327][ T36] audit: type=1400 audit(1750424478.080:65): avc: denied { read } for pid=296 comm="syz-executor342" name="ashmem" dev="devtmpfs" ino=201 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 21.842893][ T296] ------------[ cut here ]------------ [ 21.866956][ T36] audit: type=1400 audit(1750424478.080:66): avc: denied { open } for pid=296 comm="syz-executor342" path="/dev/ashmem" dev="devtmpfs" ino=201 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 21.871039][ T296] kernel BUG at rust/helpers/bug.c:7! [ 21.894438][ T36] audit: type=1400 audit(1750424478.080:67): avc: denied { ioctl } for pid=296 comm="syz-executor342" path="/dev/ashmem" dev="devtmpfs" ino=201 ioctlcmd=0x7703 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 21.899839][ T296] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 21.925092][ T36] audit: type=1400 audit(1750424478.080:68): avc: denied { map } for pid=296 comm="syz-executor342" path="/dev/ashmem" dev="devtmpfs" ino=201 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 21.931176][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor342 Not tainted 6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362 [ 21.931205][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 21.954574][ T36] audit: type=1400 audit(1750424478.150:69): avc: denied { read } for pid=91 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 21.968656][ T296] RIP: 0010:rust_helper_BUG+0x8/0x10 [ 21.968695][ T296] Code: cc cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 ad c0 0d 69 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 <0f> 0b 66 0f 1f 44 00 00 b8 e7 04 44 e5 90 90 90 90 90 90 90 90 90 [ 21.978960][ T36] audit: type=1400 audit(1750424478.150:70): avc: denied { search } for pid=91 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 22.000349][ T296] RSP: 0018:ffffc900012af3f0 EFLAGS: 00010246 [ 22.000372][ T296] RAX: 000000000000008c RBX: 1ffff92000255e80 RCX: a0e2cb7bc482c300 [ 22.000386][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 22.000397][ T296] RBP: ffffc900012af3f0 R08: 0000000000000003 R09: 0000000000000004 [ 22.005944][ T36] audit: type=1400 audit(1750424478.150:71): avc: denied { write } for pid=91 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 22.025269][ T296] R10: dffffc0000000000 R11: fffff52000255de4 R12: 0000000000000000 [ 22.025287][ T296] R13: dffffc0000000000 R14: ffffc900012af420 R15: ffffc900012af450 [ 22.025301][ T296] FS: 000055558b48e380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.046842][ T36] audit: type=1400 audit(1750424478.150:72): avc: denied { add_name } for pid=91 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 22.052714][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.052732][ T296] CR2: 000055bdaaa19000 CR3: 0000000100abc000 CR4: 00000000003526b0 [ 22.052751][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.060972][ T36] audit: type=1400 audit(1750424478.150:73): avc: denied { create } for pid=91 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 22.068762][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.193766][ T296] Call Trace: [ 22.197026][ T296] [ 22.199954][ T296] _RNvCscSpY9Juk0HT_7___rustc17rust_begin_unwind+0x15b/0x160 [ 22.207402][ T296] ? __cfi__RNvCscSpY9Juk0HT_7___rustc17rust_begin_unwind+0x10/0x10 [ 22.215373][ T296] ? kernel_text_address+0xa9/0xe0 [ 22.220481][ T296] ? __cfi__RNvXs1b_NtCs9jEwPDbx20M_4core3fmtRNtNtNtB8_5panic10panic_info9PanicInfoNtB6_7Display3fmtCs43vyB533jt3_6kernel+0x10/0x10 [ 22.234086][ T296] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 22.240316][ T296] ? arch_stack_walk+0x10b/0x170 [ 22.245403][ T296] _RNvNtCs9jEwPDbx20M_4core9panicking9panic_fmt+0x84/0x90 [ 22.252615][ T296] ? __cfi__RNvNtCs9jEwPDbx20M_4core9panicking9panic_fmt+0x10/0x10 [ 22.260501][ T296] _RNvNtNtCs9jEwPDbx20M_4core9panicking11panic_const24panic_const_add_overflow+0xb2/0xc0 [ 22.270466][ T296] ? __cfi__RNvNtNtCs9jEwPDbx20M_4core9panicking11panic_const24panic_const_add_overflow+0x10/0x10 [ 22.281142][ T296] _RNvXs1_CscPPBqWtAqum_11ashmem_rustNtB5_6AshmemNtNtCs43vyB533jt3_6kernel10miscdevice10MiscDevice4mmap+0xe44/0xfb0 [ 22.293557][ T296] ? mas_wr_store_type+0x8eb/0x1ad0 [ 22.298734][ T296] ? __cfi__RNvXs1_CscPPBqWtAqum_11ashmem_rustNtB5_6AshmemNtNtCs43vyB533jt3_6kernel10miscdevice10MiscDevice4mmap+0x10/0x10 [ 22.311477][ T296] ? mas_preallocate+0x56e/0xc60 [ 22.316445][ T296] ? __cfi_mas_preallocate+0x10/0x10 [ 22.321718][ T296] ? kasan_save_alloc_info+0x40/0x50 [ 22.327085][ T296] ? __asan_memset+0x39/0x50 [ 22.331656][ T296] mmap_region+0x1371/0x1bd0 [ 22.336238][ T296] ? __cfi_common_lsm_audit+0x10/0x10 [ 22.341606][ T296] ? __cfi_mmap_region+0x10/0x10 [ 22.346537][ T296] ? __kasan_check_read+0x15/0x20 [ 22.351568][ T296] ? arch_get_unmapped_area_topdown+0x232/0x8d0 [ 22.357843][ T296] ? file_mmap_ok+0x147/0x1a0 [ 22.362524][ T296] do_mmap+0xb6d/0x13c0 [ 22.366660][ T296] ? __cfi_do_mmap+0x10/0x10 [ 22.371237][ T296] ? down_write_killable+0xe9/0x2d0 [ 22.376502][ T296] ? __cfi_down_write_killable+0x10/0x10 [ 22.382115][ T296] vm_mmap_pgoff+0x38f/0x4e0 [ 22.386784][ T296] ? __cfi_vm_mmap_pgoff+0x10/0x10 [ 22.391966][ T296] ? __fget_files+0x2c5/0x340 [ 22.396638][ T296] ksys_mmap_pgoff+0x166/0x1e0 [ 22.401390][ T296] __x64_sys_mmap+0x121/0x140 [ 22.406147][ T296] x64_sys_call+0x13bf/0x2ee0 [ 22.410801][ T296] do_syscall_64+0x58/0xf0 [ 22.415197][ T296] ? clear_bhb_loop+0x35/0x90 [ 22.419855][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 22.425816][ T296] RIP: 0033:0x7fa1e5dcc329 [ 22.430223][ T296] 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 [ 22.450006][ T296] RSP: 002b:00007ffe5f66a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 22.458426][ T296] RAX: ffffffffffffffda RBX: 00007ffe5f66aa58 RCX: 00007fa1e5dcc329 [ 22.466404][ T296] RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000200000701000 [ 22.474458][ T296] RBP: 00007fa1e5e3f610 R08: 0000000000000003 R09: 0000000000000000 [ 22.482422][ T296] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000001 [ 22.490382][ T296] R13: 00007ffe5f66aa48 R14: 0000000000000001 R15: 0000000000000001 [ 22.498352][ T296] [ 22.501362][ T296] Modules linked in: [ 22.505340][ T296] ---[ end trace 0000000000000000 ]--- [ 22.510858][ T296] RIP: 0010:rust_helper_BUG+0x8/0x10 [ 22.516276][ T296] Code: cc cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 ad c0 0d 69 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 <0f> 0b 66 0f 1f 44 00 00 b8 e7 04 44 e5 90 90 90 90 90 90 90 90 90 [ 22.536017][ T296] RSP: 0018:ffffc900012af3f0 EFLAGS: 00010246 [ 22.542125][ T296] RAX: 000000000000008c RBX: 1ffff92000255e80 RCX: a0e2cb7bc482c300 [ 22.550108][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 22.558073][ T296] RBP: ffffc900012af3f0 R08: 0000000000000003 R09: 0000000000000004 [ 22.566070][ T296] R10: dffffc0000000000 R11: fffff52000255de4 R12: 0000000000000000 [ 22.574073][ T296] R13: dffffc0000000000 R14: ffffc900012af420 R15: ffffc900012af450 [ 22.582048][ T296] FS: 000055558b48e380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.591023][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.597683][ T296] CR2: 000055bdaaa19000 CR3: 0000000100abc000 CR4: 00000000003526b0 [ 22.605692][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.613872][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.622055][ T296] Kernel panic - not syncing: Fatal exception [ 22.628352][ T296] Kernel Offset: disabled [ 22.632659][ T296] Rebooting in 86400 seconds..