./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor955665988
<...>
forked to background, child pid 4641
no interfaces have a carrier
[ 28.185110][ T4642] 8021q: adding VLAN 0 to HW filter on device bond0
[ 28.194258][ T4642] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.186' (ECDSA) to the list of known hosts.
execve("./syz-executor955665988", ["./syz-executor955665988"], 0x7ffc1424e000 /* 10 vars */) = 0
brk(NULL) = 0x555557096000
brk(0x555557096c40) = 0x555557096c40
arch_prctl(ARCH_SET_FS, 0x555557096300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor955665988", 4096) = 27
brk(0x5555570b7c40) = 0x5555570b7c40
brk(0x5555570b8000) = 0x5555570b8000
mprotect(0x7fb9bd98d000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570965d0) = 5063
./strace-static-x86_64: Process 5063 attached
[pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5063] setpgid(0, 0) = 0
[pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5063] write(3, "1000", 4) = 4
[pid 5063] close(3) = 0
[pid 5063] socket(AF_TIPC, SOCK_STREAM, 0) = 3
syzkaller login: [ 49.271237][ T5063] ------------[ cut here ]------------
[ 49.277280][ T5063] WARNING: CPU: 0 PID: 5063 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40
[ 49.286259][ T5063] Modules linked in:
[ 49.290479][ T5063] CPU: 0 PID: 5063 Comm: syz-executor955 Not tainted 6.2.0-rc2-syzkaller-00024-g512dee0c00ad #0
[ 49.301078][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 49.311396][ T5063] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 49.317144][ T5063] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 ed d4 77 fd be 79 02 00 00 48 c7 c7 a0 64 a6 8a e8 1c fb b0 fd e9 55 fe ff ff e8 d2 d4 77 fd <0f> 0b 45 31 ff eb 8b e8 c6 d4 77 fd 31 ff 89 ee e8 2d d1 77 fd 40
[ 49.336954][ T5063] RSP: 0018:ffffc90003aaf830 EFLAGS: 00010293
[ 49.343076][ T5063] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 49.351177][ T5063] RDX: ffff888020a257c0 RSI: ffffffff84097d8e RDI: 0000000000000001
[ 49.359257][ T5063] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 49.367511][ T5063] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003aafd00
[ 49.375550][ T5063] R13: ffffc90003aafd00 R14: ffff88807c288000 R15: 0000000000000000
[ 49.383809][ T5063] FS: 0000555557096300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 49.392803][ T5063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.399538][ T5063] CR2: 000000000045ad50 CR3: 000000007590f000 CR4: 0000000000350ef0
[ 49.407584][ T5063] Call Trace:
[ 49.411014][ T5063]
[ 49.414029][ T5063] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 49.419955][ T5063] ? memset+0x24/0x50
[ 49.424007][ T5063] ? __build_skb_around+0x276/0x3a0
[ 49.429442][ T5063] ? __alloc_skb+0x185/0x310
[ 49.434126][ T5063] ? __check_object_size+0x31/0x5a0
[ 49.439458][ T5063] tipc_msg_build+0x2d4/0x10a0
[ 49.444282][ T5063] ? tipc_msg_assemble+0x510/0x510
[ 49.449515][ T5063] ? __tipc_node_link_down+0x1540/0x1540
[ 49.455438][ T5063] ? __local_bh_enable_ip+0xa4/0x130
[ 49.460732][ T5063] __tipc_sendmsg+0xada/0x1870
[ 49.465595][ T5063] ? tipc_sendmcast+0xe60/0xe60
[ 49.470605][ T5063] ? __init_waitqueue_head+0x150/0x150
[ 49.476125][ T5063] ? mark_held_locks+0x9f/0xe0
[ 49.481044][ T5063] ? __local_bh_enable_ip+0xa4/0x130
[ 49.486404][ T5063] tipc_connect+0x57b/0x6b0
[ 49.491078][ T5063] ? tipc_sendmsg+0x70/0x70
[ 49.495660][ T5063] ? bpf_lsm_socket_connect+0x9/0x10
[ 49.501073][ T5063] ? tipc_sendmsg+0x70/0x70
[ 49.505648][ T5063] __sys_connect_file+0x153/0x1a0
[ 49.510941][ T5063] __sys_connect+0x165/0x1a0
[ 49.515607][ T5063] ? __sys_connect_file+0x1a0/0x1a0
[ 49.520951][ T5063] ? _raw_spin_unlock_irq+0x23/0x50
[ 49.526232][ T5063] ? lockdep_hardirqs_on+0x7d/0x100
[ 49.531543][ T5063] ? _raw_spin_unlock_irq+0x2e/0x50
[ 49.536792][ T5063] __x64_sys_connect+0x73/0xb0
[ 49.541728][ T5063] do_syscall_64+0x39/0xb0
[ 49.546236][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 49.552574][ T5063] RIP: 0033:0x7fb9bd920d29
[ 49.556989][ T5063] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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 c0 ff ff ff f7 d8 64 89 01 48
[ 49.576656][ T5063] RSP: 002b:00007ffd44c1da88 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 49.585116][ T5063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb9bd920d29
[ 49.593133][ T5063] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003
[ 49.601115][ T5063] RBP: 0000000000000000 R08: 00007ffd44c1dc28 R09: 00007ffd44c1dc28
[ 49.609143][ T5063] R10: 00007ffd44c1d500 R11: 0000000000000246 R12: 00007fb9bd8e45b0
[ 49.617169][ T5063] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 49.625298][ T5063]
[ 49.628340][ T5063] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 49.635610][ T5063] CPU: 0 PID: 5063 Comm: syz-executor955 Not tainted 6.2.0-rc2-syzkaller-00024-g512dee0c00ad #0
[ 49.646006][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 49.656049][ T5063] Call Trace:
[ 49.659316][ T5063]
[ 49.662236][ T5063] dump_stack_lvl+0xd1/0x138
[ 49.666822][ T5063] panic+0x2cc/0x626
[ 49.670714][ T5063] ? panic_print_sys_info.part.0+0x110/0x110
[ 49.676700][ T5063] ? _copy_from_iter+0x2ae/0xf40
[ 49.681631][ T5063] check_panic_on_warn.cold+0x19/0x35
[ 49.687001][ T5063] __warn+0xf2/0x1a0
[ 49.690893][ T5063] ? _copy_from_iter+0x2ae/0xf40
[ 49.695822][ T5063] report_bug+0x1c0/0x210
[ 49.700155][ T5063] handle_bug+0x3c/0x70
[ 49.704310][ T5063] exc_invalid_op+0x18/0x50
[ 49.708809][ T5063] asm_exc_invalid_op+0x1a/0x20
[ 49.713648][ T5063] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 49.719186][ T5063] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 ed d4 77 fd be 79 02 00 00 48 c7 c7 a0 64 a6 8a e8 1c fb b0 fd e9 55 fe ff ff e8 d2 d4 77 fd <0f> 0b 45 31 ff eb 8b e8 c6 d4 77 fd 31 ff 89 ee e8 2d d1 77 fd 40
[ 49.738784][ T5063] RSP: 0018:ffffc90003aaf830 EFLAGS: 00010293
[ 49.744843][ T5063] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 49.752801][ T5063] RDX: ffff888020a257c0 RSI: ffffffff84097d8e RDI: 0000000000000001
[ 49.760761][ T5063] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 49.768721][ T5063] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003aafd00
[ 49.776680][ T5063] R13: ffffc90003aafd00 R14: ffff88807c288000 R15: 0000000000000000
[ 49.784650][ T5063] ? _copy_from_iter+0x2ae/0xf40
[ 49.789589][ T5063] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 49.795388][ T5063] ? memset+0x24/0x50
[ 49.799363][ T5063] ? __build_skb_around+0x276/0x3a0
[ 49.804559][ T5063] ? __alloc_skb+0x185/0x310
[ 49.809148][ T5063] ? __check_object_size+0x31/0x5a0
[ 49.814348][ T5063] tipc_msg_build+0x2d4/0x10a0
[ 49.819114][ T5063] ? tipc_msg_assemble+0x510/0x510
[ 49.824228][ T5063] ? __tipc_node_link_down+0x1540/0x1540
[ 49.829880][ T5063] ? __local_bh_enable_ip+0xa4/0x130
[ 49.835181][ T5063] __tipc_sendmsg+0xada/0x1870
[ 49.839950][ T5063] ? tipc_sendmcast+0xe60/0xe60
[ 49.844804][ T5063] ? __init_waitqueue_head+0x150/0x150
[ 49.850274][ T5063] ? mark_held_locks+0x9f/0xe0
[ 49.855027][ T5063] ? __local_bh_enable_ip+0xa4/0x130
[ 49.860304][ T5063] tipc_connect+0x57b/0x6b0
[ 49.864806][ T5063] ? tipc_sendmsg+0x70/0x70
[ 49.869322][ T5063] ? bpf_lsm_socket_connect+0x9/0x10
[ 49.874610][ T5063] ? tipc_sendmsg+0x70/0x70
[ 49.879198][ T5063] __sys_connect_file+0x153/0x1a0
[ 49.884230][ T5063] __sys_connect+0x165/0x1a0
[ 49.888823][ T5063] ? __sys_connect_file+0x1a0/0x1a0
[ 49.894024][ T5063] ? _raw_spin_unlock_irq+0x23/0x50
[ 49.899217][ T5063] ? lockdep_hardirqs_on+0x7d/0x100
[ 49.904409][ T5063] ? _raw_spin_unlock_irq+0x2e/0x50
[ 49.909600][ T5063] __x64_sys_connect+0x73/0xb0
[ 49.914360][ T5063] do_syscall_64+0x39/0xb0
[ 49.918858][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 49.924740][ T5063] RIP: 0033:0x7fb9bd920d29
[ 49.929145][ T5063] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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 c0 ff ff ff f7 d8 64 89 01 48
[ 49.948828][ T5063] RSP: 002b:00007ffd44c1da88 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 49.957233][ T5063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb9bd920d29
[ 49.965200][ T5063] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003
[ 49.973265][ T5063] RBP: 0000000000000000 R08: 00007ffd44c1dc28 R09: 00007ffd44c1dc28
[ 49.981314][ T5063] R10: 00007ffd44c1d500 R11: 0000000000000246 R12: 00007fb9bd8e45b0
[ 49.989277][ T5063] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 49.997251][ T5063]
[ 50.001138][ T5063] Kernel Offset: disabled
[ 50.005530][ T5063] Rebooting in 86400 seconds..