ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor39489616 <...> Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor39489616", ["ci2-android-5-10/syz-executor39489616"], 0x7ffd9d4b2c30 /* 10 vars */) = 0 brk(NULL) = 0x555576114000 brk(0x555576114e00) = 0x555576114e00 arch_prctl(ARCH_SET_FS, 0x555576114480) = 0 set_tid_address(0x555576114750) = 296 set_robust_list(0x555576114760, 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-executor39489616", 4096) = 43 getrandom("\x62\x77\x4d\xb9\x41\x20\x0f\x42", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555576114e00 brk(0x555576135e00) = 0x555576135e00 brk(0x555576136000) = 0x555576136000 mprotect(0x7fa8fbf91000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fa8fbef0bd0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fa8fbef3780}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fa8fbef0bd0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fa8fbef3780}, NULL, 8) = 0 write(1, "executing program\n", 18) = 18 executing program 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 [ 24.796362][ T24] audit: type=1400 audit(1786958242.390:64): avc: denied { execmem } for pid=296 comm="syz-executor394" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.818570][ T24] audit: type=1400 audit(1786958242.410:65): avc: denied { mounton } for pid=296 comm="syz-executor394" path="/root/sys" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.826446][ T15] divide error: 0000 [#1] PREEMPT SMP KASAN [ 24.842125][ T24] audit: type=1400 audit(1786958242.410:66): avc: denied { mount } for pid=296 comm="syz-executor394" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 24.847008][ T15] CPU: 0 PID: 15 Comm: kworker/0:1 Not tainted syzkaller #0 [ 24.847033][ T15] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.886888][ T15] Workqueue: events damon_reclaim_timer_fn [ 24.892815][ T15] RIP: 0010:damon_reclaim_timer_fn+0x33e/0x530 [ 24.899073][ 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 [ 24.918693][ T15] RSP: 0018:ffffc900000f7800 EFLAGS: 00010246 [ 24.924769][ T15] RAX: 0000000007270e00 RBX: fffff5200001ef00 RCX: 0000000000000000 [ 24.932749][ T15] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900000f7bf8 [ 24.940727][ T15] RBP: ffffc900000f7d20 R08: ffffc900000f7bf7 R09: ffffc900000f7888 [ 24.948710][ T15] R10: dffffc0000000000 R11: fffff5200001ef7f R12: 0000000000000001 [ 24.956788][ T15] R13: dffffc0000000000 R14: ffff88810b1bf280 R15: ffffc900000f7870 [ 24.965144][ T15] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.974092][ T15] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.980690][ T15] CR2: 0000200000000000 CR3: 000000011ebd6000 CR4: 00000000003506b0 [ 24.988681][ T15] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.996685][ T15] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.004858][ T15] Call Trace: [ 25.008186][ T15] ? enabled_store+0xa0/0xa0 [ 25.012790][ T15] ? stack_trace_save+0xa6/0xf0 [ 25.017680][ T15] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.022887][ T15] ? finish_task_switch+0x12e/0x5a0 [ 25.028098][ T15] ? switch_mm_irqs_off+0x34d/0x990 [ 25.033308][ T15] ? __switch_to_asm+0x3a/0x60 [ 25.038099][ T15] ? __kasan_check_read+0x11/0x20 write(4, "\x59\x00", 2) = 2 exit_group(0) = ? +++ exited with 0 +++ [ 25.043130][ T15] ? read_word_at_a_time+0x12/