ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor110722707 <...> [ 14.748039][ T24] audit: type=1400 audit(1790301831.280:62): avc: denied { rlimitinh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.767427][ T24] audit: type=1400 audit(1790301831.280:63): avc: denied { siginh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.2' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor110722707", ["ci2-android-5-10/syz-executor110722707"], 0x7fff41fac940 /* 10 vars */) = 0 brk(NULL) = 0x555564648000 brk(0x555564648d40) = 0x555564648d40 arch_prctl(ARCH_SET_FS, 0x5555646483c0) = 0 set_tid_address(0x555564648690) = 297 set_robust_list(0x5555646486a0, 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-executor110722707", 4096) = 44 getrandom("\xbb\xa0\x1d\x8e\xdc\xc8\x65\x09", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555564648d40 brk(0x555564669d40) = 0x555564669d40 brk(0x55556466a000) = 0x55556466a000 mprotect(0x7f1979ae2000, 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, "./config", 0777) = 0 mount(NULL, "./config", "configfs", 0, NULL) = 0 mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [ 24.602265][ T24] audit: type=1400 audit(1790301841.160:64): avc: denied { execmem } for pid=297 comm="syz-executor110" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.615108][ T297] Mass Storage Function, version: 2009/09/11 [ 24.625810][ T24] audit: type=1400 audit(1790301841.160:65): avc: denied { mounton } for pid=297 comm="syz-executor110" path="/root/config" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/mass_storage.usb0", 0777) = 0 openat(AT_FDCWD, "./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers", O_WRONLY) = 3 [ 24.627770][ T297] LUN: removable file: (no medium) [ 24.651256][ T24] audit: type=1400 audit(1790301841.160:66): avc: denied { mount } for pid=297 comm="syz-executor110" name="/" dev="configfs" ino=12800 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 24.656948][ T297] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 24.679389][ T24] audit: type=1400 audit(1790301841.160:67): avc: denied { search } for pid=297 comm="syz-executor110" name="/" dev="configfs" ino=12800 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 24.690704][ T297] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 24.690716][ T297] CPU: 0 PID: 297 Comm: syz-executor110 Not tainted syzkaller #0 [ 24.690721][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 24.690752][ T297] RIP: 0010:fsg_common_set_num_buffers+0x65/0x2b0 [ 24.690762][ T297] Code: 89 c6 49 bd 00 00 00 00 00 fc ff df bf 00 40 00 00 be c0 0c 00 00 ba 02 00 00 00 e8 25 cb 81 fe 48 89 c3 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 6c f4 8e fe 49 89 1e 48 85 db 0f [ 24.690770][ T297] RSP: 0018:ffffc90000b07b28 EFLAGS: 00010202 [ 24.690781][ T297] RAX: 0000000000000002 RBX: ffff88811fa44000 RCX: 0000000000000002 [ 24.690796][ T297] RDX: 0000000000000000 RSI: ffffffff8310419b RDI: ffffed1023f49000 [ 24.714453][ T24] audit: type=1400 audit(1790301841.160:68): avc: denied { write } for pid=297 comm="syz-executor110" name="usb_gadget" dev="configfs" ino=12801 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 24.721672][ T297] RBP: ffffc90000b07b70 R08: 0000000000004000 R09: ffffed1023f49000 [ 24.721680][ T297] R10: dffffc0000000000 R11: fffff940008fd233 R12: ffff88810ae1d000 [ 24.721687][ T297] R13: dffffc0000000000 R14: 0000000000000010 R15: 0000000000000000 [ 24.721703][ T297] FS: 00005555646483c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.721718][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.729845][ T24] audit: type=1400 audit(1790301841.160:69): avc: denied { add_name } for pid=297 comm="syz-executor110" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 24.739480][ T297] CR2: 00007f1979aee008 CR3: 0000000121d14000 CR4: 00000000003506b0 [ 24.739491][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.739497][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.739500][ T297] Call Trace: [ 24.739514][ T297] ? kstrtou8+0xac/0x130 [ 24.739533][ T297] fsg_opts_num_buffers_store+0x138/0x1c0 [ 24.746506][ T24] audit: type=1400 audit(1790301841.160:70): avc: denied { create } for pid=297 comm="syz-executor110" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 24.765525][ T297] ? __kasan_check_write+0x14/0x20 [ 24.765537][ T297] ? fsg_opts_num_buffers_show+0xb0/0xb0 [ 24.765547][ T297] ? __kasan_check_write+0x14/0x20 [ 24.765563][ T297] ? fsg_opts_num_buffers_show+0xb0/0xb0 [ 24.771708][ T24] audit: type=1400 audit(1790301841.210:71): avc: denied { write } for pid=297 comm="syz-executor110" name="num_buffers" dev="configfs" ino=14374 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 24.779587][ T297] configfs_write_file+0x320/0x3d0 [ 24.787887][ T24] audit: type=1400 audit(1790301841.210:72): avc: denied { open } for pid=297 comm="syz-executor110" path="/root/config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers" dev="configfs" ino=14374 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 24.810712][ T297] ? configfs_read_file+0x400/0x400 [ 24.810723][ T297] vfs_write+0x344/0xd70 [ 24.810740][ T297] ? kernel_write+0x3c0/0x3c0 [ 24.818910][ T24] audit: type=1400 audit(1790301841.270:73): 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 [ 24.826707][ T297] ? cgroup_leave_frozen+0x165/0x2a0 [ 24.826718][ T297] ? ptrace_stop+0x687/0x9c0 [ 24.826735][ T297] ? __kasan_check_read+0x11/0x20 [ 25.056512][ T297] ? __fdget_pos+0x2d9/0x380 [ 25.061100][ T297] ksys_write+0x14a/0x260 [ 25.065441][ T297] ? __ia32_sys_read+0x90/0x90 [ 25.070198][ T297] ? debug_smp_processor_id+0x17/0x20 [ 25.075568][ T297] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 25.081626][ T297] __x64_sys_write+0x7b/0x90 [ 25.086223][ T297] do_syscall_64+0x31/0x40 [ 25.090642][ T297] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.096527][ T297] RIP: 0033:0x7f1979a51ef9 [ 25.100943][ 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 [ 25.120544][ T297] RSP: 002b:00007ffed86a2138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.128950][ T297] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f1979a51ef9 [ 25.137002][ T297] RDX: 0000000000000012 RSI: 0000200000000300 RDI: 0000000000000003 [ 25.144968][ T297] RBP: 6769666e6f632f2e R08: 000000000000000f R09: 00007ffed86a2278 [ 25.152936][ T297] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffed86a2268 [ 25.160990][ T297] R13: 0000000000000002 R14: 0000200000000008 R15: 0000000000000002 [ 25.168971][ T297] Modules linked in: [ 25.173024][ T297] ---[ end trace e30eb742759e0c0b ]--- [ 25.178506][ T297] RIP: 0010:fsg_common_set_num_buffers+0x65/0x2b0 [ 25.184965][ T297] Code: 89 c6 49 bd 00 00 00 00 00 fc ff df bf 00 40 00 00 be c0 0c 00 00 ba 02 00 00 00 e8 25 cb 81 fe 48 89 c3 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 6c f4 8e fe 49 89 1e 48 85 db 0f [ 25.204611][ T297] RSP: 0018:ffffc90000b07b28 EFLAGS: 00010202 [ 25.210678][ T297] RAX: 0000000000000002 RBX: ffff88811fa44000 RCX: 0000000000000002 [ 25.218790][ T297] RDX: 0000000000000000 RSI: ffffffff8310419b RDI: ffffed1023f49000 [ 25.226785][ T297] RBP: ffffc90000b07b70 R08: 0000000000004000 R09: ffffed1023f49000 [ 25.234791][ T297] R10: dffffc0000000000 R11: fffff940008fd233 R12: ffff88810ae1d000 [ 25.242789][ T297] R13: dffffc0000000000 R14: 0000000000000010 R15: 0000000000000000 [ 25.250877][ T297] FS: 00005555646483c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.259817][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.266418][ T297] CR2: 00007f1979aee008 CR3: 0000000121d14000 CR4: 00000000003506b0 [ 25.274408][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.282399][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.290360][ T297] Kernel panic - not syncing: Fatal exception [ 25.296507][ T297] Kernel Offset: disabled [ 25.300838][ T297] Rebooting in 86400 seconds..