ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor2725104998 <...> Warning: Permanently added '10.128.0.99' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor2725104998", ["ci2-android-5-10/syz-executor2725104998"], 0x7ffec36ee140 /* 10 vars */) = 0 brk(NULL) = 0x5555820ef000 brk(0x5555820efd40) = 0x5555820efd40 arch_prctl(ARCH_SET_FS, 0x5555820ef3c0) = 0 set_tid_address(0x5555820ef690) = 297 set_robust_list(0x5555820ef6a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-10/syz-executor2725104998", 4096) = 45 getrandom("\xdb\x56\xb7\xe6\x0f\xb5\x67\xcc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555820efd40 brk(0x555582110d40) = 0x555582110d40 brk(0x555582111000) = 0x555582111000 mprotect(0x7f2cc3548000, 20480, 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 mkdirat(AT_FDCWD, "./sys", 0777) = 0 mount(NULL, "./sys", "sysfs", 0, NULL) = 0 openat(AT_FDCWD, "./sys/module/damon_reclaim/parameters/aggr_interval", O_RDWR) = 3 write(3, "\x30\x00", 2) = 2 openat(AT_FDCWD, "./sys/module/damon_reclaim/parameters/enabled", O_RDWR) = 4 [ 23.820858][ T24] audit: type=1400 audit(1786957031.879:64): avc: denied { execmem } for pid=297 comm="syz-executor272" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.833812][ T15] divide error: 0000 [#1] PREEMPT SMP KASAN [ 23.840300][ T24] audit: type=1400 audit(1786957031.889:65): avc: denied { mounton } for pid=297 comm="syz-executor272" path="/root/sys" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.846120][ T15] CPU: 0 PID: 15 Comm: kworker/0:1 Not tainted syzkaller #0 [ 23.868957][ T24] audit: type=1400 audit(1786957031.889:66): avc: denied { mount } for pid=297 comm="syz-executor272" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 23.875939][ T15] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 23.875972][ T15] Workqueue: events damon_reclaim_timer_fn [ 23.913828][ T15] RIP: 0010:damon_reclaim_timer_fn+0x33e/0x530 [ 23.919959][ T15] Code: 1e 05 48 89 44 24 78 48 8b 05 46 33 1e 05 48 89 84 24 80 00 00 00 c7 84 24 90 00 00 00 01 00 00 00 48 8b 05 14 33 1e 05 31 d2 <48> f7 35 53 33 1e 05 bf 00 10 00 00 48 c7 c6 ff ff ff ff 31 d2 31 [ 23.939540][ T15] RSP: 0018:ffffc900000f7800 EFLAGS: 00010246 [ 23.945581][ T15] RAX: 0000000007270e00 RBX: fffff5200001ef00 RCX: 0000000000000000 [ 23.953526][ T15] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900000f7bf8 [ 23.961476][ T15] RBP: ffffc900000f7d20 R08: ffffc900000f7bf7 R09: ffffc900000f7888 [ 23.969424][ T15] R10: dffffc0000000000 R11: fffff5200001ef7f R12: 0000000000000001 [ 23.977370][ T15] R13: dffffc0000000000 R14: ffff88810b0e8980 R15: ffffc900000f7870 [ 23.985317][ T15] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 23.994218][ T15] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.000776][ T15] CR2: 0000200000000004 CR3: 0000000101be4000 CR4: 00000000003506b0 [ 24.008726][ T15] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.016673][ T15] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.024619][ T15] Call Trace: [ 24.027894][ T15] ? enabled_store+0xa0/0xa0 [ 24.032461][ T15] ? stack_trace_save+0xa6/0xf0 [ 24.037298][ T15] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.042469][ T15] ? finish_task_switch+0x12e/0x5a0 [ 24.047641][ T15] ? switch_mm_irqs_off+0x34d/0x990 [ 24.052813][ T15] ? __switch_to_asm+0x3a/0x60 [ 24.057552][ T15] ? __kasan_check_read+0x11/0x20 [ 24.062555][ T15] ? read_word_at_a_time+0x12/0x20 [ 24.067728][ T15] ? strscpy+0x9b/0x290 write(4, "\x59\x00", 2) = 2 exit_group(0) = ? +++ exited with 0 +++ [