ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor4016862836 <...> Warning: Permanently added '10.128.0.49' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor4016862836", ["ci2-android-6-12-rust/syz-executor4016862836"], 0x7fff4fd3d880 /* 10 vars */) = 0 brk(NULL) = 0x55557fa8d000 brk(0x55557fa8dd40) = 0x55557fa8dd40 arch_prctl(ARCH_SET_FS, 0x55557fa8d3c0) = 0 set_tid_address(0x55557fa8d690) = 314 set_robust_list(0x55557fa8d6a0, 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-executor4016862836", 4096) = 50 getrandom("\xb8\x4f\xe1\x85\x85\x0b\x50\x07", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557fa8dd40 brk(0x55557faaed40) = 0x55557faaed40 brk(0x55557faaf000) = 0x55557faaf000 mprotect(0x7fac3e665000, 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 [ 23.679725][ T36] audit: type=1400 audit(1788871774.310:64): avc: denied { execmem } for pid=314 comm="syz-executor401" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.691454][ T314] Mass Storage Function, version: 2009/09/11 [ 23.700396][ T36] audit: type=1400 audit(1788871774.310:65): avc: denied { mounton } for pid=314 comm="syz-executor401" 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 [ 23.710934][ T314] LUN: removable file: (no medium) [ 23.734592][ T314] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI [ 23.734849][ T36] audit: type=1400 audit(1788871774.310:66): avc: denied { mount } for pid=314 comm="syz-executor401" name="/" dev="configfs" ino=2581 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 23.747211][ T314] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 23.747238][ T314] CPU: 0 UID: 0 PID: 314 Comm: syz-executor401 Not tainted syzkaller #0 6f2d7458894aba4127f3ede48a844fbc689668cc [ 23.770743][ T36] audit: type=1400 audit(1788871774.310:67): avc: denied { search } for pid=314 comm="syz-executor401" name="/" dev="configfs" ino=2581 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 23.778482][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 23.778498][ T314] RIP: 0010:fsg_common_set_num_buffers+0xa5/0x3b0 [ 23.790897][ T36] audit: type=1400 audit(1788871774.310:68): avc: denied { write } for pid=314 comm="syz-executor401" name="usb_gadget" dev="configfs" ino=2582 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 23.812717][ T314] Code: 49 be 00 00 00 00 00 fc ff df 66 90 e8 c4 cd c9 fd bf 00 40 00 00 be c0 0c 00 00 e8 35 6b 1e fe 49 89 c7 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 2c a9 22 fe 4d 8d 75 f0 4d 89 3e [ 23.812738][ T314] RSP: 0018:ffffc9000124fb20 EFLAGS: 00010202 [ 23.826380][ T36] audit: type=1400 audit(1788871774.310:69): avc: denied { add_name } for pid=314 comm="syz-executor401" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 23.829235][ T314] RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000002 [ 23.853040][ T36] audit: type=1400 audit(1788871774.310:70): avc: denied { create } for pid=314 comm="syz-executor401" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 23.871859][ T314] RDX: 0000000000000003 RSI: ffffffff83bda9ab RDI: ffffed1020dff800 [ 23.871881][ T314] RBP: ffffc9000124fb70 R08: 0000000000004000 R09: 0000000000000000 [ 23.871896][ T314] R10: ffffed1020dff800 R11: fffff94000837fcc R12: 0000000000000010 [ 23.878816][ T36] audit: type=1400 audit(1788871774.360:71): avc: denied { write } for pid=314 comm="syz-executor401" name="num_buffers" dev="configfs" ino=3169 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 23.898487][ T314] R13: 0000000000000020 R14: dffffc0000000000 R15: ffff888106ff8000 [ 23.898506][ T314] FS: 000055557fa8d3c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 23.907134][ T36] audit: type=1400 audit(1788871774.360:72): avc: denied { open } for pid=314 comm="syz-executor401" path="/root/config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers" dev="configfs" ino=3169 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 23.926445][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.926463][ T314] CR2: 00007fac3e671008 CR3: 0000000107756000 CR4: 00000000003526b0 [ 23.926483][ T314] Call Trace: [ 23.934823][ T36] audit: type=1400 audit(1788871774.460:73): avc: denied { read } for pid=94 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 [ 23.942424][ T314] [ 23.942435][ T314] fsg_opts_num_buffers_store+0x13c/0x1c0 [ 23.942490][ T314] ? __cfi_fsg_opts_num_buffers_store+0x10/0x10 [ 24.072525][ T314] configfs_write_iter+0x32c/0x490 [ 24.077637][ T314] ? __cfi_fsg_opts_num_buffers_store+0x10/0x10 [ 24.083875][ T314] vfs_write+0x762/0xfd0 [ 24.088114][ T314] ? __cfi_vfs_write+0x10/0x10 [ 24.092868][ T314] ? cgroup_update_frozen+0x160/0x980 [ 24.098273][ T314] ? ptrace_stop+0x6d6/0x8f0 [ 24.102873][ T314] ? __kasan_check_read+0x15/0x20 [ 24.107899][ T314] ksys_write+0x145/0x260 [ 24.112236][ T314] ? __cfi_ksys_write+0x10/0x10 [ 24.117079][ T314] ? __kasan_check_read+0x15/0x20 [ 24.122094][ T314] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 24.128156][ T314] __x64_sys_write+0x7f/0x90 [ 24.132745][ T314] x64_sys_call+0x271c/0x2ee0 [ 24.137418][ T314] do_syscall_64+0x57/0xf0 [ 24.141846][ T314] ? clear_bhb_loop+0x50/0xa0 [ 24.146528][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.152417][ T314] RIP: 0033:0x7fac3e5d4ef9 [ 24.156838][ T314] 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 [ 24.176444][ T314] RSP: 002b:00007fff5ea66e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 24.184859][ T314] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007fac3e5d4ef9 [ 24.192833][ T314] RDX: 0000000000000012 RSI: 0000200000000300 RDI: 0000000000000003 [ 24.200800][ T314] RBP: 6769666e6f632f2e R08: 000000000000000f R09: 00007fff5ea66f88 [ 24.208764][ T314] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff5ea66f78 [ 24.216724][ T314] R13: 0000000000000002 R14: 0000200000000008 R15: 0000000000000002 [ 24.224685][ T314] [ 24.227696][ T314] Modules linked in: [ 24.231842][ T314] ---[ end trace 0000000000000000 ]--- [ 24.237477][ T314] RIP: 0010:fsg_common_set_num_buffers+0xa5/0x3b0 [ 24.243930][ T314] Code: 49 be 00 00 00 00 00 fc ff df 66 90 e8 c4 cd c9 fd bf 00 40 00 00 be c0 0c 00 00 e8 35 6b 1e fe 49 89 c7 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 2c a9 22 fe 4d 8d 75 f0 4d 89 3e [ 24.263603][ T314] RSP: 0018:ffffc9000124fb20 EFLAGS: 00010202 [ 24.269738][ T314] RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000002 [ 24.277767][ T314] RDX: 0000000000000003 RSI: ffffffff83bda9ab RDI: ffffed1020dff800 [ 24.285786][ T314] RBP: ffffc9000124fb70 R08: 0000000000004000 R09: 0000000000000000 [ 24.293760][ T314] R10: ffffed1020dff800 R11: fffff94000837fcc R12: 0000000000000010 [ 24.301883][ T314] R13: 0000000000000020 R14: dffffc0000000000 R15: ffff888106ff8000 [ 24.309927][ T314] FS: 000055557fa8d3c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 24.318914][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.325543][ T314] CR2: 00007fac3e671008 CR3: 0000000107756000 CR4: 00000000003526b0 [ 24.333530][ T314] Kernel panic - not syncing: Fatal exception [ 24.340218][ T314] Kernel Offset: disabled [ 24.344560][ T314] Rebooting in 86400 seconds..