ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor1006985755 <...> syzkaller syzkaller login: [ 15.899034][ T24] kauditd_printk_skb: 48 callbacks suppressed [ 15.899044][ T24] audit: type=1400 audit(1786960059.959:59): avc: denied { transition } for pid=231 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 [ 15.903741][ T24] audit: type=1400 audit(1786960059.959:60): avc: denied { noatsecure } for pid=231 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.906896][ T24] audit: type=1400 audit(1786960059.979:61): avc: denied { write } for pid=231 comm="sh" path="pipe:[14466]" dev="pipefs" ino=14466 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 15.910451][ T24] audit: type=1400 audit(1786960059.979:62): avc: denied { rlimitinh } for pid=231 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.914230][ T24] audit: type=1400 audit(1786960059.979:63): avc: denied { siginh } for pid=231 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.96' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor1006985755", ["ci2-android-5-10/syz-executor1006985755"], 0x7ffc89ba2b30 /* 10 vars */) = 0 brk(NULL) = 0x555569338000 brk(0x555569338d40) = 0x555569338d40 arch_prctl(ARCH_SET_FS, 0x5555693383c0) = 0 set_tid_address(0x555569338690) = 297 set_robust_list(0x5555693386a0, 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-executor1006985755", 4096) = 45 getrandom("\x70\x40\x21\xe6\x19\x97\x2e\xf5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555569338d40 brk(0x555569359d40) = 0x555569359d40 brk(0x55556935a000) = 0x55556935a000 mprotect(0x7fef23e14000, 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", 0777) = 0 mount(NULL, "./sys", "sysfs", 0, NULL) = 0 openat(AT_FDCWD, "./sys/bus/platform/devices/pcspkr/driver_override", O_WRONLY) = 3 write(3, "\x61\x63\x70\x69\x2d\x66\x61\x6e\x00", 9) = 9 openat(AT_FDCWD, "./sys/bus/platform/drivers/acpi-fan/bind", O_WRONLY) = 4 [ 41.119526][ T24] audit: type=1400 audit(1786960085.179:64): avc: denied { execmem } for pid=297 comm="syz-executor100" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 41.124306][ T297] general protection fault, probably for non-canonical address 0xdffffc0000000051: 0000 [#1] PREEMPT SMP KASAN [ 41.139474][ T24] audit: type=1400 audit(1786960085.179:65): avc: denied { mounton } for pid=297 comm="syz-executor100" path="/root/sys" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 41.150679][ T297] KASAN: null-ptr-deref in range [0x0000000000000288-0x000000000000028f] [ 41.150699][ T297] CPU: 1 PID: 297 Comm: syz-executor100 Not tainted syzkaller #0 [ 41.150704][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.150734][ T297] RIP: 0010:acpi_fan_probe+0x10e/0x1030 [ 41.150744][ T297] Code: 84 fc 04 00 00 49 89 c6 4c 89 64 24 30 4c 89 7c 24 48 4c 8d bb 88 02 00 00 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 04 00 74 08 4c 89 ff e8 33 d2 20 ff 4c 89 7c 24 20 4d 89 [ 41.150749][ T297] RSP: 0018:ffffc90000b57820 EFLAGS: 00010202 [ 41.150758][ T297] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 41.150764][ T297] RDX: 0000000000000000 RSI: 0000000000000a02 RDI: 00000000ffffffff [ 41.150769][ T297] RBP: ffffc90000b579e0 R08: 0000000000000003 R09: 0000000000000004 [ 41.150776][ T297] R10: dffffc0000000000 R11: fffff5200016aee4 R12: 0000000000000051 [ 41.150782][ T297] R13: 1ffff9200016af14 R14: ffff88811d3e9818 R15: 0000000000000288 [ 41.150790][ T297] FS: 00005555693383c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 41.150797][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.150802][ T297] CR2: 0000200000000004 CR3: 000000010878c000 CR4: 00000000003506a0 [ 41.150816][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.173352][ T24] audit: type=1400 audit(1786960085.179:66): avc: denied { mount } for pid=297 comm="syz-executor100" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 41.181653][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.181656][ T297] Call Trace: [ 41.181672][ T297] ? clk_gpio_gate_is_enabled+0x40/0x40 [ 41.181688][ T297] ? kernfs_activate+0x35e/0x370 [ 41.202878][ T24] audit: type=1400 audit(1786960085.269:67): avc: denied { read } for pid=77 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 [ 41.204980][ T297] ? acpi_button_resume+0x3a0/0x3a0 [ 41.224697][ T24] audit: type=1400 audit(1786960085.269:68): avc: denied { search } for pid=77 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 [ 41.230640][ T297] ? __kasan_check_write+0x14/0x20 [ 41.238999][ T24] audit: type=1400 audit(1786960085.269:69): avc: denied { write } for pid=77 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 [ 41.246667][ T297] ? kernfs_put+0x44f/0x480 [ 41.246676][ T297] ? kernfs_create_link+0x186/0x200 [ 41.246684][ T297] ? is_acpi_device_node+0x26/0x60 [ 41.246695][ T297] platform_drv_probe+0x11b/0x1a0 [ 41.246703][ T297] really_probe+0x3bf/0xa60 [ 41.246719][ T297] driver_probe_device+0xe1/0x190 [ 41.255064][ T24] audit: type=1400 audit(1786960085.269:70): avc: denied { add_name } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 41.262662][ T297] device_driver_attach+0x17a/0x280 [ 41.262671][ T297] bind_store+0x369/0x3c0 [ 41.262680][ T297] ? unbind_store+0x300/0x300 [ 41.262698][ T297] ? __kasan_check_write+0x14/0x20 [ 41.270813][ T24] audit: type=1400 audit(1786960085.269:71): avc: denied { create } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 41.279851][ T297] ? mutex_lock+0x92/0xf0 [ 41.279863][ T297] ? unbind_store+0x300/0x300 [ 41.279871][ T297] drv_attr_store+0x79/0xa0 [ 41.279879][ T297] ? drv_attr_show+0x90/0x90 [ 41.279888][ T297] sysfs_kf_write+0x129/0x150 [ 41.279904][ T297] ? sysfs_kf_read+0x270/0x270 [ 41.287078][ T24] audit: type=1400 audit(1786960085.269:72): avc: denied { append open } for pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 41.294441][ T297] kernfs_fop_write_iter+0x2bd/0x400 [ 41.294451][ T297] vfs_write+0x770/0xd70 [ 41.294459][ T297] ? kernel_write+0x3c0/0x3c0 [ 41.294469][ T297] ? ptrace_stop+0x687/0x9c0 [ 41.294479][ T297] ? __kasan_check_read+0x11/0x20 [ 41.294494][ T297] ? __fdget_pos+0x2d9/0x380 [ 41.302785][ T24] audit: type=1400 audit(1786960085.269:73): avc: denied { getattr } for pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 41.324641][ T297] ksys_write+0x14a/0x260 [ 41.324650][ T297] ? __ia32_sys_read+0x90/0x90 [ 41.324658][ T297] __x64_sys_write+0x7b/0x90 [ 41.324668][ T297] do_syscall_64+0x31/0x40 [ 41.324677][ T297] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 41.324706][ T297] RIP: 0033:0x7fef23d83cf9 [ 41.640543][ T297] 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 [ 41.660133][ T297] RSP: 002b:00007fff829cf3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.668526][ T297] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007fef23d83cf9 [ 41.676478][ T297] RDX: 0000000000000007 RSI: 0000200000000800 RDI: 0000000000000004 [ 41.684428][ T297] RBP: 0000000000000001 R08: 00007fff829cf4f8 R09: 00007fff829cf4f8 [ 41.692374][ T297] R10: 00007fff829cf4f8 R11: 0000000000000246 R12: 00007fff829cf4e8 [ 41.700337][ T297] R13: 0000000000000002 R14: 00007fef23e14ca0 R15: 0000000000000002 [ 41.708299][ T297] Modules linked in: [ 41.712287][ T297] ---[ end trace 13de4c797df42aa7 ]--- [ 41.717770][ T297] RIP: 0010:acpi_fan_probe+0x10e/0x1030 [ 41.723339][ T297] Code: 84 fc 04 00 00 49 89 c6 4c 89 64 24 30 4c 89 7c 24 48 4c 8d bb 88 02 00 00 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 04 00 74 08 4c 89 ff e8 33 d2 20 ff 4c 89 7c 24 20 4d 89 [ 41.742975][ T297] RSP: 0018:ffffc90000b57820 EFLAGS: 00010202 [ 41.749026][ T297] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 41.757011][ T297] RDX: 0000000000000000 RSI: 0000000000000a02 RDI: 00000000ffffffff [ 41.764994][ T297] RBP: ffffc90000b579e0 R08: 0000000000000003 R09: 0000000000000004 [ 41.772974][ T297] R10: dffffc0000000000 R11: fffff5200016aee4 R12: 0000000000000051 [ 41.780931][ T297] R13: 1ffff9200016af14 R14: ffff88811d3e9818 R15: 0000000000000288 [ 41.788942][ T297] FS: 00005555693383c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 41.797889][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.804477][ T297] CR2: 0000200000000004 CR3: 000000010878c000 CR4: 00000000003506a0 [ 41.812464][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.820448][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.828887][ T297] Kernel panic - not syncing: Fatal exception [ 41.835650][ T297] Kernel Offset: disabled [ 41.840007][ T297] Rebooting in 86400 seconds..