./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3308638394

<...>
DUID 00:04:e7:a9:54:ba:d6:ca:b0:a9:a8:44:aa:dd:15:41:58:fb
forked to background, child pid 4671
[   48.321241][ T4672] 8021q: adding VLAN 0 to HW filter on device bond0
[   48.343005][ T4672] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.45' (ECDSA) to the list of known hosts.
execve("./syz-executor3308638394", ["./syz-executor3308638394"], 0x7ffe18b59fd0 /* 10 vars */) = 0
brk(NULL)                               = 0x555555626000
brk(0x555555626c40)                     = 0x555555626c40
arch_prctl(ARCH_SET_FS, 0x555555626300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x5555556265d0)         = 5006
set_robust_list(0x5555556265e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f82b22aaf60, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f82b22ab630}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f82b22ab000, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f82b22ab630}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3308638394", 4096) = 28
brk(0x555555647c40)                     = 0x555555647c40
brk(0x555555648000)                     = 0x555555648000
mprotect(0x7f82b236b000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000) = 0
mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f82b227b000
mprotect(0x7f82b227c000, 131072, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f82b229b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5007], tls=0x7f82b229b700, child_tidptr=0x7f82b229b9d0) = 5007
futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5007 attached
 <unfinished ...>
[pid  5007] set_robust_list(0x7f82b229b9e0, 24) = 0
[pid  5007] pipe([3, 4])                = 0
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 5
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] mmap(0x2000b000, 4096, PROT_NONE, MAP_SHARED|MAP_FIXED, 5, 0) = -1 ENODEV (No such device)
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 6
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] bind(6, {sa_family=AF_INET6, sin6_port=htons(2), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] sendto(6, NULL, 0, MSG_OOB|MSG_NOSIGNAL|MSG_FASTOPEN|0x2000000, {sa_family=AF_INET6, sin6_port=htons(2), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 0
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] sendto(6, "\x44\xf9\xb1\x08\xb1\xcd\xc8\x85\xc9\xc5\x33\xd2\x1f\x47\x4b\xec\x8b\xfe\xf1\xdf\x1e\x2d\xa7\x1e\x57\x8d\xc6\xb9\x1d\x09\xf7\xab\x15\x37\x85\x71\xd8\xe2\x75\x46\x09\x00\x00\x00\x6e\x75\x43\x69\x14\xab\x71\x75\x28\xee\x4b\x7a\x9b\xea\xf9\x08\xd1\x11\x37\xc1\x19\x03\x06\x4e\x83\xb4\x95\x1f\x4d\x43\x3a\x54\x04\x97\x0c\x85\xd9\x2d\x70\x83\xfd\x38\x84\x4c\xbb\x0c\x6c\x5e\xb5\x08\xdd\xc2\xdc\x7a\x59\x0a"..., 3503342252, MSG_OOB, NULL, 0) = 32768
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] socket(AF_ALG, SOCK_SEQPACKET, 0) = 7
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] bind(7, {sa_family=AF_ALG, salg_type="hash", salg_feat=0, salg_mask=0, salg_name="sha3-512"}, 88) = 0
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] accept4(7, NULL, NULL, 0)   = 8
[pid  5007] futex(0x7f82b237142c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5006] futex(0x7f82b2371428, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 1
[pid  5007] splice(3, NULL, 8, NULL, 33554439, 0 <unfinished ...>
[pid  5006] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5006] futex(0x7f82b237142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5006] futex(0x7f82b237143c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f82b225a000
[pid  5006] mprotect(0x7f82b225b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5006] clone(child_stack=0x7f82b227a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5008 attached
, parent_tid=[5008], tls=0x7f82b227a700, child_tidptr=0x7f82b227a9d0) = 5008
[pid  5006] futex(0x7f82b2371438, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5006] futex(0x7f82b237143c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5008] set_robust_list(0x7f82b227a9e0, 24) = 0
[pid  5008] splice(6, NULL, 4, NULL, 67564552, 0) = 32767
[pid  5008] futex(0x7f82b237143c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5006] <... futex resumed>)        = 0
syzkaller login: [   80.317957][ T5007] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
[   80.329717][ T5007] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[   80.338151][ T5007] CPU: 1 PID: 5007 Comm: syz-executor330 Not tainted 6.4.0-rc5-syzkaller-00915-ge7c5433c5aaa #0
[   80.348571][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[   80.358635][ T5007] RIP: 0010:splice_to_socket+0xa91/0xe30
[   80.364291][ T5007] Code: 10 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 19 03 00 00 49 8b 46 10 49 c7 46 10 00 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 e3 02 00 00 4c 89 f6 4c 89 e7 ff 50 08 83 44
[   80.383911][ T5007] RSP: 0018:ffffc90003adfa28 EFLAGS: 00010202
[   80.390000][ T5007] RAX: 0000000000000000 RBX: 0000000000008001 RCX: 0000000000000000
[   80.397982][ T5007] RDX: 0000000000000001 RSI: ffffffff81f4e014 RDI: 0000000000000008
[   80.406044][ T5007] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[   80.414457][ T5007] R10: 0000000000000000 R11: 1ffffffff2186c9b R12: ffff88802819f000
[   80.422437][ T5007] R13: dffffc0000000000 R14: ffff888077c05028 R15: 0000000000008001
[   80.430416][ T5007] FS:  00007f82b229b700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[   80.439355][ T5007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.445953][ T5007] CR2: 00007f82b227a718 CR3: 0000000075e14000 CR4: 00000000003506e0
[   80.453939][ T5007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   80.461921][ T5007] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   80.469904][ T5007] Call Trace:
[   80.473190][ T5007]  <TASK>
[   80.476151][ T5007]  ? die_addr+0x3c/0xa0
[   80.480356][ T5007]  ? exc_general_protection+0x129/0x230
[   80.485944][ T5007]  ? asm_exc_general_protection+0x26/0x30
[   80.491702][ T5007]  ? splice_to_socket+0xa64/0xe30
[   80.496758][ T5007]  ? splice_to_socket+0xa91/0xe30
[   80.501802][ T5007]  ? splice_to_socket+0xa64/0xe30
[   80.506852][ T5007]  ? splice_from_pipe+0x140/0x140
[   80.511902][ T5007]  ? aa_path_link+0x2f0/0x2f0
[   80.516629][ T5007]  ? bpf_lsm_file_permission+0x9/0x10
[   80.522043][ T5007]  ? security_file_permission+0xaf/0xd0
[   80.527610][ T5007]  ? splice_from_pipe+0x140/0x140
[   80.532663][ T5007]  do_splice+0xb8c/0x1e50
[   80.537018][ T5007]  ? find_held_lock+0x2d/0x110
[   80.541809][ T5007]  ? splice_file_to_pipe+0x120/0x120
[   80.547109][ T5007]  ? direct_file_splice_eof+0xa0/0xa0
[   80.552515][ T5007]  __do_splice+0x14e/0x270
[   80.556955][ T5007]  ? do_splice+0x1e50/0x1e50
[   80.561573][ T5007]  __x64_sys_splice+0x19c/0x250
[   80.566470][ T5007]  do_syscall_64+0x39/0xb0
[   80.570923][ T5007]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   80.576875][ T5007] RIP: 0033:0x7f82b22e8fc9
[   80.581315][ T5007] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[   80.600971][ T5007] RSP: 002b:00007f82b229b2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
[   80.609400][ T5007] RAX: ffffffffffffffda RBX: 00007f82b2371428 RCX: 00007f82b22e8fc9
[   80.617378][ T5007] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000003
[   80.625353][ T5007] RBP: 00007f82b2371420 R08: 0000000002000007 R09: 0000000000000000
[   80.633331][ T5007] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f82b237142c
[   80.641322][ T5007] R13: 00007f82b233f004 R14: 0100000000000000 R15: 0000000000022000
[   80.649310][ T5007]  </TASK>
[   80.652345][ T5007] Modules linked in:
[   80.657476][ T5007] ---[ end trace 0000000000000000 ]---
[   80.667770][ T5007] RIP: 0010:splice_to_socket+0xa91/0xe30
[   80.673429][ T5007] Code: 10 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 19 03 00 00 49 8b 46 10 49 c7 46 10 00 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 e3 02 00 00 4c 89 f6 4c 89 e7 ff 50 08 83 44
[   80.693139][ T5007] RSP: 0018:ffffc90003adfa28 EFLAGS: 00010202
[   80.699251][ T5007] RAX: 0000000000000000 RBX: 0000000000008001 RCX: 0000000000000000
[   80.707271][ T5007] RDX: 0000000000000001 RSI: ffffffff81f4e014 RDI: 0000000000000008
[   80.715277][ T5007] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[   80.723254][ T5007] R10: 0000000000000000 R11: 1ffffffff2186c9b R12: ffff88802819f000
[   80.731276][ T5007] R13: dffffc0000000000 R14: ffff888077c05028 R15: 0000000000008001
[   80.739284][ T5007] FS:  00007f82b229b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   80.748281][ T5007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.754901][ T5007] CR2: 00007fa5f3ff2304 CR3: 0000000075e14000 CR4: 00000000003506f0
[pid  5008] futex(0x7f82b2371438, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5006] exit_group(0)               = ?
[   80.762890][ T5007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   80.771095][ T5007] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   80.779451][ T5007] Kernel panic - not syncing: Fatal exception
[   80.785819][ T5007] Kernel Offset: disabled
[   80.790152][ T5007] Rebooting in 86400 seconds..