ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor3422690570 <...> Warning: Permanently added '10.128.1.3' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor3422690570", ["ci2-android-5-10/syz-executor3422690570"], 0x7ffdd2dee0f0 /* 10 vars */) = 0 brk(NULL) = 0x5555890ec000 brk(0x5555890ecd40) = 0x5555890ecd40 arch_prctl(ARCH_SET_FS, 0x5555890ec3c0) = 0 set_tid_address(0x5555890ec690) = 297 set_robust_list(0x5555890ec6a0, 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-executor3422690570", 4096) = 45 getrandom("\x3a\x74\xdf\x8f\xfe\xa6\x86\x16", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555890ecd40 brk(0x55558910dd40) = 0x55558910dd40 brk(0x55558910e000) = 0x55558910e000 mprotect(0x7fc4eb614000, 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 futex(0x7fc4eb61ab4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program rt_sigaction(SIGRT_1, {sa_handler=0x7fc4eb57e0d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc4eb5709e0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4eb52d000 mprotect(0x7fc4eb52e000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc4eb54d990, parent_tid=0x7fc4eb54d990, exit_signal=0, stack=0x7fc4eb52d000, stack_size=0x20300, tls=0x7fc4eb54d6c0} => {parent_tid=[298]}, 88) = 298 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 futex(0x7fc4eb61ab48, FUTEX_WAKE_PRIVATE, 1000000) = 0 futex(0x7fc4eb61ab4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x7fc4eb54d9a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] socket(AF_PPPOX, SOCK_STREAM, 1) = 3 [pid 298] futex(0x7fc4eb61ab4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7fc4eb61ab48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7fc4eb61ab4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 298] futex(0x7fc4eb61ab4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7fc4eb61ab48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7fc4eb61ab4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] connect(3, {sa_family=AF_PPPOX, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"}, 50) = 0 [pid 298] futex(0x7fc4eb61ab4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7fc4eb61ab48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7fc4eb61ab4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] sendfile(-1, -1, [3], 2757) = -1 EBADF (Bad file descriptor) [pid 298] futex(0x7fc4eb61ab4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7fc4eb61ab48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7fc4eb61ab4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] clone3({flags=CLONE_UNTRACED|CLONE_CHILD_SETTID|CLONE_NEWCGROUP|CLONE_NEWPID, child_tid=NULL, exit_signal=SIGRT_7, stack=NULL, stack_size=0, cgroup=4294967295}, 88) = 299 [pid 298] futex(0x7fc4eb61ab4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7fc4eb61ab48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7fc4eb61ab4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] ioctl(3, PPPIOCGMRU, 0) = -1 ENOSYS (Function not implemented) [pid 298] futex(0x7fc4eb61ab4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] exit_group(0) = ? [pid 298] <... futex resumed>) = ? [pid 298] +++ exited with 0 +++ +++ exited with 0 +++ [ 25.308240][ T24] audit: type=1400 audit(1785484686.269:64): avc: denied { execmem } for pid=297 comm="syz-executor342" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.328056][ T24] audit: type=1400 audit(1785484686.279:65): avc: denied { create } for pid=297 comm="syz-executor342" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=pppox_socket permissive=1 [ 25.348590][ T24] audit: type=1400 audit(1785484686.279:66): avc: denied { connect } for pid=297 comm="syz-executor342" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=pppox_socket permissive=1 [ 25.368463][ T24] audit: type=1400 audit(1785484686.289:67): avc: denied { ioctl } for pid=297 comm="syz-executor342" path="socket:[13218]" dev="sockfs" ino=13218 ioctlcmd=0x7453 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=pppox_socket permissive=1 [ 25.499385][ T299] ================================================================== [ 25.507488][ T299] BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 [ 25.515559][ T299] Read of size 4 at addr ffff88811da7b000 by task syz-executor342/299 [ 25.523683][ T299] [ 25.526028][ T299] CPU: 1 PID: 299 Comm: syz-executor342 Not tainted syzkaller #0 [ 25.533730][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 25.543765][ T299] Call Trace: [ 25.547038][ T299] __dump_stack+0x21/0x24 [ 25.551369][ T299] dump_stack_lvl+0x1a7/0x208 [ 25.556022][ T299] ? show_regs_print_info+0x18/0x18 [ 25.561225][ T299] ? thaw_kernel_threads+0x220/0x220 [ 25.566580][ T299] ? __local_bh_enable_ip+0x53/0x80 [ 25.571777][ T299] print_address_description+0x7f/0x2c0 [ 25.577317][ T299] ? pppol2tp_sock_to_session+0x1a0/0x1b0 [ 25.583029][ T299] kasan_report+0x100/0x140 [ 25.587529][ T299] ? pppol2tp_sock_to_session+0x1a0/0x1b0 [ 25.593223][ T299] __asan_report_load4_noabort+0x14/0x20 [ 25.598828][ T299] pppol2tp_sock_to_session+0x1a0/0x1b0 [ 25.604345][ T299] pppol2tp_release+0x150/0x2b0 [ 25.609185][ T299] sock_close+0xb8/0x200 [ 25.613427][ T299] ? sock_mmap+0xa0/0xa0 [ 25.617643][ T299] __fput+0x2dc/0x730 [ 25.621598][ T299] ____fput+0x15/0x20 [ 25.625558][ T299] task_work_run+0x127/0x190 [ 25.630126][ T299] do_exit+0xa7c/0x24e0 [ 25.634251][ T299] ? __kasan_check_write+0x14/0x20 [ 25.639335][ T299] ? switch_fpu_return+0x19c/0x330 [ 25.644416][ T299] ? put_task_struct+0x90/0x90 [ 25.649168][ T299] ? fpu__clear_all+0x20/0x20 [ 25.653992][ T299] ? __kasan_check_read+0x11/0x20 [ 25.659008][ T299] __x64_sys_exit+0x40/0x40 [ 25.663494][ T299] do_syscall_64+0x31/0x40 [ 25.667899][ T299] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.673779][ T299] RIP: 0033:0x7fc4eb56b859 [ 25.678218][ T299] Code: Unable to access opcode bytes at RIP 0x7fc4eb56b82f. [ 25.685577][ T299] RSP: 002b:00007fc4eb54d118 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 25.693966][ T299] RAX: ffffffffffffffda RBX: 00007fc4eb61ab48 RCX: 00007fc4eb56b859 [ 25.701925][ T299] RDX: 00007fc4eb54d9c8 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.709943][ T299] RBP: 00007fc4eb61ab40 R08: 0000000000000000 R09: 0000000023800000 [ 25.717894][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc4eb5e6028 [ 25.725851][ T299] R13: 0000200000000040 R14: 0000200000000908 R15: 0000200000000900 [ 25.733796][ T299] [ 25.736099][ T299] Allocated by task 298: [ 25.740314][ T299] __kasan_kmalloc+0xd4/0x100 [ 25.744960][ T299] __kmalloc+0x19f/0x330 [ 25.749176][ T299] l2tp_session_create+0x39/0xb60 [ 25.754184][ T299] pppol2tp_connect+0xbf5/0x1640 [ 25.759094][ T299] __sys_connect+0x3ce/0x450 [ 25.763659][ T299] __x64_sys_connect+0x7a/0x90 [ 25.768395][ T299] do_syscall_64+0x31/0x40 [ 25.772784][ T299] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.778774][ T299] [ 25.781153][ T299] Freed by task 112: [ 25.785038][ T299] kasan_set_track+0x4a/0x70 [ 25.789626][ T299] kasan_set_free_info+0x23/0x40 [ 25.794538][ T299] ____kasan_slab_free+0x125/0x160 [ 25.799624][ T299] __kasan_slab_free+0x11/0x20 [ 25.804360][ T299] slab_free_freelist_hook+0xc5/0x190 [ 25.809741][ T299] kfree+0xc0/0x270 [ 25.813524][ T299] l2tp_session_put+0xb2/0x1a0 [ 25.818277][ T299] l2tp_session_delete+0x3a9/0x4a0 [ 25.823366][ T299] l2tp_tunnel_del_work+0x180/0x3d0 [ 25.828562][ T299] process_one_work+0x6fd/0xbc0 [ 25.833391][ T299] worker_thread+0xa8e/0x13c0 [ 25.838046][ T299] kthread+0x324/0x3b0 [ 25.842087][ T299] ret_from_fork+0x1f/0x30 [ 25.846493][ T299] [ 25.848798][ T299] The buggy address belongs to the object at ffff88811da7b000 [ 25.848798][ T299] which belongs to the cache kmalloc-512 of size 512 [ 25.862850][ T299] The buggy address is located 0 bytes inside of [ 25.862850][ T299] 512-byte region [ffff88811da7b000, ffff88811da7b200) [ 25.875944][ T299] The buggy address belongs to the page: [ 25.881748][ T299] page:ffffea0004769e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11da78 [ 25.892061][ T299] head:ffffea0004769e00 order:2 compound_mapcount:0 compound_pincount:0 [ 25.900380][ T299] flags: 0x4000000000010200(slab|head) [ 25.905837][ T299] raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043080 [ 25.914412][ T299] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 25.922970][ T299] page dumped because: kasan: bad access detected [ 25.929362][ T299] page_owner tracks the page as allocated [ 25.935077][ T299] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 293, ts 25223931778, free_ts 19206837021 [ 25.954165][ T299] prep_new_page+0x176/0x190 [ 25.958732][ T299] get_page_from_freelist+0x225f/0x23f0 [ 25.964249][ T299] __alloc_pages_nodemask+0x29a/0x640 [ 25.969593][ T299] new_slab+0x84/0x3f0 [ 25.973639][ T299] ___slab_alloc+0x2f8/0x4c0 [ 25.978218][ T299] __slab_alloc+0x63/0xa0 [ 25.982517][ T299] __kmalloc_track_caller+0x1e4/0x310 [ 25.987859][ T299] __alloc_skb+0xdc/0x520 [ 25.992174][ T299] alloc_skb_with_frags+0xa3/0x560 [ 25.997254][ T299] sock_alloc_send_pskb+0x87f/0x9a0 [ 26.002435][ T299] unix_stream_sendmsg+0x4c9/0xbe0 [ 26.007518][ T299] sock_write_iter+0x2a6/0x3a0 [ 26.012268][ T299] vfs_write+0x770/0xd70 [ 26.016503][ T299] ksys_write+0x14a/0x260 [ 26.020798][ T299] __x64_sys_write+0x7b/0x90 [ 26.025360][ T299] do_syscall_64+0x31/0x40 [ 26.029761][ T299] page last free stack trace: [ 26.034428][ T299] free_unref_page_prepare+0x2b7/0x2d0 [ 26.039858][ T299] free_unref_page+0x7f/0x190 [ 26.044524][ T299] __put_page+0xae/0xe0 [ 26.048654][ T299] anon_pipe_buf_release+0x165/0x1f0 [ 26.054027][ T299] pipe_read+0x563/0x1050 [ 26.058352][ T299] vfs_read+0x62a/0xa50 [ 26.062509][ T299] ksys_read+0x14a/0x260 [ 26.066751][ T299] __x64_sys_read+0x7b/0x90 [ 26.071230][ T299] do_syscall_64+0x31/0x40 [ 26.075731][ T299] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.081592][ T299] [ 26.083889][ T299] Memory state around the buggy address: [ 26.089491][ T299] ffff88811da7af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.097523][ T299] ffff88811da7af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.105776][ T299] >ffff88811da7b000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.113832][ T299] ^ [ 26.117877][ T299] ffff88811da7b080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.125930][ T299] ffff88811da7b100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.134406][ T299] ================================================================== [ 26.142458][ T299] Disabling lock debugging due to kernel taint [ 26.149095][ T299] ------------[ cut here ]------------ [ 26.155043][ T299] WARNING: CPU: 1 PID: 299 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 26.165076][ T299] Modules linked in: [ 26.167414][ T24] audit: type=1400 audit(1785484687.129:68): avc: denied { read } for pid=76 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 [ 26.168971][ T299] CPU: 1 PID: 299 Comm: syz-executor342 Tainted: G B syzkaller #0 [ 26.199838][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 26.199855][ T24] audit: type=1400 audit(1785484687.129:69): avc: denied { search } for pid=76 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 [ 26.210038][ T299] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [ 26.231176][ T24] audit: type=1400 audit(1785484687.129:70): avc: denied { write } for pid=76 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 [ 26.237542][ T299] Code: 5d c3 e8 dc df 35 fd be 02 00 00 00 eb 0a e8 d0 df 35 fd be 01 00 00 00 4c 89 f7 e8 43 55 0f fe e9 0f ff ff ff e8 b9 df 35 fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 a8 df 35 fd 4c 89 f7 be 03 [ 26.258651][ T24] audit: type=1400 audit(1785484687.129:71): avc: denied { add_name } for pid=76 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 26.278387][ T299] RSP: 0018:ffffc9000098fc40 EFLAGS: 00010293 [ 26.298758][ T24] audit: type=1400 audit(1785484687.129:72): avc: denied { create } for pid=76 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 26.304750][ T299] RAX: ffffffff842ec3a7 RBX: ffff88810aed7800 RCX: ffff8881009d93c0 [ 26.325448][ T24] audit: type=1400 audit(1785484687.129:73): avc: denied { append open } for pid=76 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 [ 26.333549][ T299] RDX: 0000000000000000 RSI: 000000001b818000 RDI: 000000000c04eb7d [ 26.364095][ T299] RBP: ffffc9000098fc60 R08: 0000000000000003 R09: 0000000000000004 [ 26.372080][ T299] R10: dffffc0000000000 R11: fffffbfff0dcf648 R12: dffffc0000000000 [ 26.380062][ T299] R13: dffffc0000000000 R14: 000000001b818000 R15: ffff88811da7b000 [ 26.388064][ T299] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 26.397077][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.403651][ T299] CR2: 00007fc4eb57d6f0 CR3: 000000010d561000 CR4: 00000000003506a0 [ 26.411633][ T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.419731][ T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.427904][ T299] Call Trace: [ 26.431194][ T299] pppol2tp_release+0x150/0x2b0 [ 26.436049][ T299] sock_close+0xb8/0x200 [ 26.440282][ T299] ? sock_mmap+0xa0/0xa0 [ 26.444514][ T299] __fput+0x2dc/0x730 [ 26.448543][ T299] ____fput+0x15/0x20 [ 26.452619][ T299] task_work_run+0x127/0x190 [ 26.457219][ T299] do_exit+0xa7c/0x24e0 [ 26.461371][ T299] ? __kasan_check_write+0x14/0x20 [ 26.466521][ T299] ? switch_fpu_return+0x19c/0x330 [ 26.471741][ T299] ? put_task_struct+0x90/0x90 [ 26.476626][ T299] ? fpu__clear_all+0x20/0x20 [ 26.481294][ T299] ? __kasan_check_read+0x11/0x20 [ 26.486355][ T299] __x64_sys_exit+0x40/0x40 [ 26.490875][ T299] do_syscall_64+0x31/0x40 [ 26.495307][ T299] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.501531][ T299] RIP: 0033:0x7fc4eb56b859 [ 26.505959][ T299] Code: Unable to access opcode bytes at RIP 0x7fc4eb56b82f. [ 26.513311][ T299] RSP: 002b:00007fc4eb54d118 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 26.521752][ T299] RAX: ffffffffffffffda RBX: 00007fc4eb61ab48 RCX: 00007fc4eb56b859 [ 26.529752][ T299] RDX: 00007fc4eb54d9c8 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.537757][ T299] RBP: 00007fc4eb61ab40 R08: 0000000000000000 R09: 0000000023800000 [ 26.545737][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc4eb5e6028 [ 2