./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2524228903
<...>
DUID 00:04:ae:1e:d5:49:b7:3c:3f:84:b3:e9:d7:e4:a5:00:02:90
forked to background, child pid 4646
[ 33.996962][ T4647] 8021q: adding VLAN 0 to HW filter on device bond0
[ 34.011946][ T4647] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.154' (ECDSA) to the list of known hosts.
execve("./syz-executor2524228903", ["./syz-executor2524228903"], 0x7ffda7a526a0 /* 10 vars */) = 0
brk(NULL) = 0x555556e47000
brk(0x555556e47c40) = 0x555556e47c40
arch_prctl(ARCH_SET_FS, 0x555556e47300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2524228903", 4096) = 28
brk(0x555556e68c40) = 0x555556e68c40
brk(0x555556e69000) = 0x555556e69000
mprotect(0x7f95f1937000, 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
socket(AF_TIPC, SOCK_STREAM, 0) = 3
syzkaller login: [ 54.470694][ T5078] ------------[ cut here ]------------
[ 54.476426][ T5078] WARNING: CPU: 0 PID: 5078 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40
[ 54.485422][ T5078] Modules linked in:
[ 54.489341][ T5078] CPU: 1 PID: 5078 Comm: syz-executor252 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0
[ 54.499451][ T5078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 54.509550][ T5078] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 54.515145][ T5078] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 bd e1 77 fd be 79 02 00 00 48 c7 c7 e0 60 86 8a e8 bc 07 b1 fd e9 55 fe ff ff e8 a2 e1 77 fd <0f> 0b 45 31 ff eb 8b e8 96 e1 77 fd 31 ff 89 ee e8 fd dd 77 fd 40
[ 54.534808][ T5078] RSP: 0018:ffffc90003cff830 EFLAGS: 00010293
[ 54.540904][ T5078] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 54.548934][ T5078] RDX: ffff88807a3157c0 RSI: ffffffff84096f5e RDI: 0000000000000001
[ 54.556974][ T5078] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 54.565074][ T5078] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003cffd00
[ 54.573096][ T5078] R13: ffffc90003cffd00 R14: ffff8880759d8780 R15: 0000000000000000
[ 54.581072][ T5078] FS: 0000555556e47300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 54.590041][ T5078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.596663][ T5078] CR2: 000000000061cca0 CR3: 000000007a113000 CR4: 00000000003506e0
[ 54.604821][ T5078] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.612857][ T5078] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.620850][ T5078] Call Trace:
[ 54.624235][ T5078]
[ 54.627189][ T5078] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 54.633045][ T5078] ? memset+0x24/0x50
[ 54.637057][ T5078] ? __build_skb_around+0x276/0x3a0
[ 54.642257][ T5078] ? __alloc_skb+0x185/0x310
[ 54.646919][ T5078] ? __check_object_size+0x31/0x5a0
[ 54.652153][ T5078] tipc_msg_build+0x2d4/0x10a0
[ 54.656992][ T5078] ? tipc_msg_assemble+0x510/0x510
[ 54.662139][ T5078] ? __tipc_node_link_down+0x1540/0x1540
[ 54.667831][ T5078] ? __local_bh_enable_ip+0xa4/0x130
[ 54.673204][ T5078] __tipc_sendmsg+0xada/0x1870
[ 54.677981][ T5078] ? tipc_sendmcast+0xe60/0xe60
[ 54.683201][ T5078] ? __init_waitqueue_head+0x150/0x150
[ 54.688699][ T5078] ? mark_held_locks+0x9f/0xe0
[ 54.693536][ T5078] ? __local_bh_enable_ip+0xa4/0x130
[ 54.698872][ T5078] tipc_connect+0x57b/0x6b0
[ 54.703488][ T5078] ? tipc_sendmsg+0x70/0x70
[ 54.708044][ T5078] ? bpf_lsm_socket_connect+0x9/0x10
[ 54.713398][ T5078] ? tipc_sendmsg+0x70/0x70
[ 54.717924][ T5078] __sys_connect_file+0x153/0x1a0
[ 54.723008][ T5078] __sys_connect+0x165/0x1a0
[ 54.727634][ T5078] ? __sys_connect_file+0x1a0/0x1a0
[ 54.732900][ T5078] ? _raw_spin_unlock_irq+0x23/0x50
[ 54.738139][ T5078] ? lockdep_hardirqs_on+0x7d/0x100
[ 54.743421][ T5078] ? _raw_spin_unlock_irq+0x2e/0x50
[ 54.748661][ T5078] __x64_sys_connect+0x73/0xb0
[ 54.753490][ T5078] do_syscall_64+0x39/0xb0
[ 54.757940][ T5078] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.763880][ T5078] RIP: 0033:0x7f95f18cab19
[ 54.768311][ T5078] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
[ 54.787992][ T5078] RSP: 002b:00007fff2e02e3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 54.796464][ T5078] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95f18cab19
[ 54.804491][ T5078] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 54.812501][ T5078] RBP: 00007f95f188ecc0 R08: 0000000000000000 R09: 0000000000000000
[ 54.820466][ T5078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95f188ed50
[ 54.828500][ T5078] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 54.836563][ T5078]
[ 54.839596][ T5078] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 54.846862][ T5078] CPU: 1 PID: 5078 Comm: syz-executor252 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0
[ 54.856935][ T5078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 54.866986][ T5078] Call Trace:
[ 54.870268][ T5078]
[ 54.873197][ T5078] dump_stack_lvl+0xd1/0x138
[ 54.877792][ T5078] panic+0x2cc/0x626
[ 54.881683][ T5078] ? panic_print_sys_info.part.0+0x110/0x110
[ 54.887668][ T5078] ? _copy_from_iter+0x2ae/0xf40
[ 54.892609][ T5078] check_panic_on_warn.cold+0x19/0x35
[ 54.897977][ T5078] __warn+0xf2/0x1a0
[ 54.901870][ T5078] ? _copy_from_iter+0x2ae/0xf40
[ 54.906804][ T5078] report_bug+0x1c0/0x210
[ 54.911140][ T5078] handle_bug+0x3c/0x70
[ 54.915301][ T5078] exc_invalid_op+0x18/0x50
[ 54.919827][ T5078] asm_exc_invalid_op+0x1a/0x20
[ 54.924683][ T5078] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 54.930231][ T5078] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 bd e1 77 fd be 79 02 00 00 48 c7 c7 e0 60 86 8a e8 bc 07 b1 fd e9 55 fe ff ff e8 a2 e1 77 fd <0f> 0b 45 31 ff eb 8b e8 96 e1 77 fd 31 ff 89 ee e8 fd dd 77 fd 40
[ 54.950111][ T5078] RSP: 0018:ffffc90003cff830 EFLAGS: 00010293
[ 54.956200][ T5078] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 54.964186][ T5078] RDX: ffff88807a3157c0 RSI: ffffffff84096f5e RDI: 0000000000000001
[ 54.972181][ T5078] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 54.980166][ T5078] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003cffd00
[ 54.988154][ T5078] R13: ffffc90003cffd00 R14: ffff8880759d8780 R15: 0000000000000000
[ 54.996153][ T5078] ? _copy_from_iter+0x2ae/0xf40
[ 55.001132][ T5078] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 55.006960][ T5078] ? memset+0x24/0x50
[ 55.010966][ T5078] ? __build_skb_around+0x276/0x3a0
[ 55.016188][ T5078] ? __alloc_skb+0x185/0x310
[ 55.020802][ T5078] ? __check_object_size+0x31/0x5a0
[ 55.026029][ T5078] tipc_msg_build+0x2d4/0x10a0
[ 55.030920][ T5078] ? tipc_msg_assemble+0x510/0x510
[ 55.036050][ T5078] ? __tipc_node_link_down+0x1540/0x1540
[ 55.041706][ T5078] ? __local_bh_enable_ip+0xa4/0x130
[ 55.047022][ T5078] __tipc_sendmsg+0xada/0x1870
[ 55.051823][ T5078] ? tipc_sendmcast+0xe60/0xe60
[ 55.056702][ T5078] ? __init_waitqueue_head+0x150/0x150
[ 55.062211][ T5078] ? mark_held_locks+0x9f/0xe0
[ 55.066990][ T5078] ? __local_bh_enable_ip+0xa4/0x130
[ 55.072301][ T5078] tipc_connect+0x57b/0x6b0
[ 55.076839][ T5078] ? tipc_sendmsg+0x70/0x70
[ 55.081389][ T5078] ? bpf_lsm_socket_connect+0x9/0x10
[ 55.086703][ T5078] ? tipc_sendmsg+0x70/0x70
[ 55.091221][ T5078] __sys_connect_file+0x153/0x1a0
[ 55.096268][ T5078] __sys_connect+0x165/0x1a0
[ 55.100875][ T5078] ? __sys_connect_file+0x1a0/0x1a0
[ 55.106099][ T5078] ? _raw_spin_unlock_irq+0x23/0x50
[ 55.111321][ T5078] ? lockdep_hardirqs_on+0x7d/0x100
[ 55.116537][ T5078] ? _raw_spin_unlock_irq+0x2e/0x50
[ 55.121772][ T5078] __x64_sys_connect+0x73/0xb0
[ 55.126553][ T5078] do_syscall_64+0x39/0xb0
[ 55.130994][ T5078] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 55.136913][ T5078] RIP: 0033:0x7f95f18cab19
[ 55.141340][ T5078] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
[ 55.161046][ T5078] RSP: 002b:00007fff2e02e3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 55.169473][ T5078] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95f18cab19
[ 55.177454][ T5078] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 55.185434][ T5078] RBP: 00007f95f188ecc0 R08: 0000000000000000 R09: 0000000000000000
[ 55.193415][ T5078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95f188ed50
[ 55.201395][ T5078] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 55.209388][ T5078]
[ 55.212466][ T5078] Kernel Offset: disabled
[ 55.216856][ T5078] Rebooting in 86400 seconds..