ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor3424282655 <...> syzkaller syzkaller login: [ 14.528164][ T36] kauditd_printk_skb: 31 callbacks suppressed [ 14.528183][ T36] audit: type=1400 audit(1791037569.660:59): avc: denied { transition } for pid=233 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.533183][ T36] audit: type=1400 audit(1791037569.660:60): avc: denied { noatsecure } for pid=233 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.538069][ T36] audit: type=1400 audit(1791037569.670:61): avc: denied { write } for pid=233 comm="sh" path="pipe:[2879]" dev="pipefs" ino=2879 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.541639][ T36] audit: type=1400 audit(1791037569.670:62): avc: denied { rlimitinh } for pid=233 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.544658][ T36] audit: type=1400 audit(1791037569.670:63): avc: denied { siginh } for pid=233 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.46' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor3424282655", ["ci2-android-6-12-rust/syz-executor3424282655"], 0x7fff9fb329e0 /* 10 vars */) = 0 brk(NULL) = 0x55556c37e000 brk(0x55556c37ed40) = 0x55556c37ed40 arch_prctl(ARCH_SET_FS, 0x55556c37e3c0) = 0 set_tid_address(0x55556c37e690) = 313 set_robust_list(0x55556c37e6a0, 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-6-12-rust/syz-executor3424282655", 4096) = 50 getrandom("\xbc\x75\xc5\xaf\x9a\x40\x18\xda", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556c37ed40 brk(0x55556c39fd40) = 0x55556c39fd40 brk(0x55556c3a0000) = 0x55556c3a0000 mprotect(0x7f2ab2e5f000, 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 write(1, "executing program\n", 18) = 18 executing program mkdirat(AT_FDCWD, "sys_mnt", 0777) = 0 mount(NULL, "sys_mnt", "sysfs", 0, NULL) = 0 openat(AT_FDCWD, "sys_mnt/block/zram0/disksize", O_WRONLY) = 3 [ 23.790830][ T36] audit: type=1400 audit(1791037578.920:64): avc: denied { execmem } for pid=313 comm="syz-executor342" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.804565][ T313] ------------[ cut here ]------------ [ 23.810435][ T36] audit: type=1400 audit(1791037578.920:65): avc: denied { mounton } for pid=313 comm="syz-executor342" path="/root/sys_mnt" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.810470][ T36] audit: type=1400 audit(1791037578.920:66): avc: denied { mount } for pid=313 comm="syz-executor342" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 23.860938][ T313] WARNING: CPU: 0 PID: 313 at mm/vmalloc.c:3805 __vmalloc_node_range_noprof+0x12d4/0x1300 [ 23.870931][ T313] Modules linked in: [ 23.874891][ T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor342 Not tainted syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71 [ 23.886883][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 23.896987][ T313] RIP: 0010:__vmalloc_node_range_noprof+0x12d4/0x1300 [ 23.903774][ T313] Code: 00 74 08 48 89 df e8 9b 91 09 00 80 23 df 43 80 3c 2f 00 74 08 4c 89 f7 e8 89 91 09 00 49 8b 1e e9 2c ff ff ff e8 ac a9 b0 ff <0f> 0b e9 1e ff ff ff e8 f0 9e ce 03 e8 9b a9 b0 ff 0f 0b e8 94 a9 [ 23.923443][ T313] RSP: 0018:ffffc900011ff860 EFLAGS: 00010293 [ 23.929563][ T313] RAX: ffffffff81d6cef4 RBX: 0000000000000dc0 RCX: ffff8881083fcc00 [ 23.937611][ T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.945644][ T313] RBP: ffffc900011ffa58 R08: 0000000000000dc0 R09: 8000000000000063 [ 23.953637][ T313] R10: dffffc0000000000 R11: ffffed102195f019 R12: 0000000000000000 [ 23.961703][ T313] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff8352efbb [ 23.969750][ T313] FS: 000055556c37e3c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 23.978781][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.985394][ T313] CR2: 00007f2ab2e6b008 CR3: 000000011ff7a000 CR4: 00000000003526b0 [ 23.993464][ T313] Call Trace: [ 23.996843][ T313] [ 23.999821][ T313] ? stack_depot_save_flags+0x38/0x800 [ 24.005296][ T313] ? _parse_integer_limit+0x195/0x1e0 [ 24.010747][ T313] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 24.017169][ T313] ? simple_strntoull+0x112/0x190 [ 24.022236][ T313] ? simple_strtoull+0x50/0x50 [ 24.027060][ T313] ? disksize_store+0x10b/0x910 [ 24.031970][ T313] vzalloc_noprof+0x103/0x1d0 [ 24.036710][ T313] ? disksize_store+0x10b/0x910 [ 24.041615][ T313] ? __kasan_check_write+0x18/0x20 [ 24.046788][ T313] ? down_write+0xee/0x2b0 [ 24.051243][ T313] ? __cfi_vzalloc_noprof+0x10/0x10 [ 24.056496][ T313] ? __kasan_check_write+0x18/0x20 [ 24.061639][ T313] ? _copy_from_iter+0x215/0x1520 [ 24.066737][ T313] disksize_store+0x10b/0x910 [ 24.071453][ T313] ? __kasan_check_write+0x18/0x20 [ 24.076618][ T313] ? __cfi_disksize_store+0x10/0x10 [ 24.081854][ T313] dev_attr_store+0x73/0xa0 [ 24.086444][ T313] ? __cfi_dev_attr_store+0x10/0x10 [ 24.091674][ T313] sysfs_kf_write+0x13e/0x160 [ 24.096409][ T313] ? __cfi_sysfs_kf_write+0x10/0x10 [ 24.101638][ T313] kernfs_fop_write_iter+0x319/0x510 [ 24.106999][ T313] vfs_write+0x762/0xfd0 [ 24.111308][ T313] ? __cfi_vfs_write+0x10/0x10 [ 24.116126][ T313] ? cgroup_update_frozen+0x160/0x980 [ 24.121563][ T313] ? ptrace_stop+0x6d6/0x8f0 [ 24.126278][ T313] ? __kasan_check_read+0x15/0x20 [ 24.131342][ T313] ksys_write+0x145/0x260 [ 24.135738][ T313] ? __cfi_ksys_write+0x10/0x10 [ 24.140626][ T313] ? __kasan_check_read+0x15/0x20 [ 24.145706][ T313] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 24.151812][ T313] __x64_sys_write+0x7f/0x90 [ 24.156470][ T313] x64_sys_call+0x271c/0x2ee0 [ 24.161177][ T313] do_syscall_64+0x57/0xf0 [ 24.165680][ T313] ? clear_bhb_loop+0x50/0xa0 [ 24.170657][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.176631][ T313] RIP: 0033:0x7f2ab2dcee79 [ 24.181110][ T313] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 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 d8 ff ff ff f7 d8 64 89 01 48 [ 24.200845][ T313] RSP: 002b:00007fff41d97fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 24.209364][ T313] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f2ab2dcee79 [ 24.217431][ T313] RDX: 0000000000000012 RSI: 0000200000000000 RDI: 0000000000000003 [ 24.225583][ T313] RBP: 0000000000000001 R08: 0000000000000000 R09: 00007fff41d980e8 [ 24.233561][ T313] R10: 0000000000000010 R11: 0000000000000246 R12: 00007fff41d980d8 write(3, "0xffffffffffffffff", 18) = -1 ENOMEM (Cannot allocate memory) exit_group(0) = ? +++ exited with 0 +++ [ 24.241626][