./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4028482636
<...>
DUID 00:04:f2:7f:36:b6:03:80:f9:c3:71:03:f9:5e:f9:cf:ad:4a
forked to background, child pid 4877
[ 34.872277][ T4878] 8021q: adding VLAN 0 to HW filter on device bond0
[ 34.882089][ T4878] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts.
execve("./syz-executor4028482636", ["./syz-executor4028482636"], 0x7ffe65af7650 /* 10 vars */) = 0
brk(NULL) = 0x555556127000
brk(0x555556127c40) = 0x555556127c40
arch_prctl(ARCH_SET_FS, 0x555556127300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor4028482636", 4096) = 28
brk(0x555556148c40) = 0x555556148c40
brk(0x555556149000) = 0x555556149000
mprotect(0x7f1190123000, 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: [ 56.094078][ T5302] ------------[ cut here ]------------
[ 56.099655][ T5302] WARNING: CPU: 0 PID: 5302 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40
[ 56.109053][ T5302] Modules linked in:
[ 56.113673][ T5302] CPU: 1 PID: 5302 Comm: syz-executor402 Not tainted 6.1.0-syzkaller-09671-g89529367293c #0
[ 56.124628][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 56.135415][ T5302] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 56.141083][ T5302] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 7d 2c 79 fd be 79 02 00 00 48 c7 c7 a0 35 a6 8a e8 1c 4a b2 fd e9 55 fe ff ff e8 62 2c 79 fd <0f> 0b 45 31 ff eb 8b e8 56 2c 79 fd 31 ff 89 ee e8 bd 28 79 fd 40
[ 56.161619][ T5302] RSP: 0018:ffffc90003b5f830 EFLAGS: 00010293
[ 56.168179][ T5302] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 56.176584][ T5302] RDX: ffff888075e8d7c0 RSI: ffffffff840786ae RDI: 0000000000000001
[ 56.185229][ T5302] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 56.193413][ T5302] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003b5fd00
[ 56.201785][ T5302] R13: ffffc90003b5fd00 R14: ffff88801d1e8780 R15: 0000000000000000
[ 56.210182][ T5302] FS: 0000555556127300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 56.219622][ T5302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.226514][ T5302] CR2: 00007f11900fdfb8 CR3: 0000000028d9f000 CR4: 00000000003506e0
[ 56.235133][ T5302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.243298][ T5302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.251772][ T5302] Call Trace:
[ 56.255351][ T5302]
[ 56.258372][ T5302] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 56.264231][ T5302] ? memset+0x24/0x50
[ 56.268238][ T5302] ? __build_skb_around+0x276/0x3a0
[ 56.273605][ T5302] ? __alloc_skb+0x185/0x310
[ 56.278589][ T5302] ? __check_object_size+0x31/0x5a0
[ 56.284018][ T5302] tipc_msg_build+0x2d4/0x10a0
[ 56.289243][ T5302] ? tipc_msg_assemble+0x510/0x510
[ 56.295016][ T5302] ? __tipc_node_link_down+0x1540/0x1540
[ 56.301117][ T5302] ? __local_bh_enable_ip+0xa4/0x130
[ 56.306946][ T5302] __tipc_sendmsg+0xada/0x1870
[ 56.311760][ T5302] ? tipc_sendmcast+0xe60/0xe60
[ 56.317088][ T5302] ? __init_waitqueue_head+0x150/0x150
[ 56.323124][ T5302] ? mark_held_locks+0x9f/0xe0
[ 56.328032][ T5302] ? __local_bh_enable_ip+0xa4/0x130
[ 56.333339][ T5302] tipc_connect+0x57b/0x6b0
[ 56.339236][ T5302] ? tipc_sendmsg+0x70/0x70
[ 56.343800][ T5302] ? bpf_lsm_socket_connect+0x9/0x10
[ 56.349084][ T5302] ? tipc_sendmsg+0x70/0x70
[ 56.353638][ T5302] __sys_connect_file+0x153/0x1a0
[ 56.358682][ T5302] __sys_connect+0x165/0x1a0
[ 56.363266][ T5302] ? __sys_connect_file+0x1a0/0x1a0
[ 56.368621][ T5302] ? _raw_spin_unlock_irq+0x23/0x50
[ 56.373864][ T5302] ? lockdep_hardirqs_on+0x7d/0x100
[ 56.379059][ T5302] ? _raw_spin_unlock_irq+0x2e/0x50
[ 56.384303][ T5302] __x64_sys_connect+0x73/0xb0
[ 56.389106][ T5302] do_syscall_64+0x39/0xb0
[ 56.393588][ T5302] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 56.399496][ T5302] RIP: 0033:0x7f11900b6b19
[ 56.403951][ T5302] 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
[ 56.423629][ T5302] RSP: 002b:00007fff4c7cbe98 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 56.432045][ T5302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11900b6b19
[ 56.440111][ T5302] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 56.448184][ T5302] RBP: 00007f119007acc0 R08: 0000000000000000 R09: 0000000000000000
[ 56.456248][ T5302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f119007ad50
[ 56.464607][ T5302] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 56.472580][ T5302]
[ 56.475685][ T5302] Kernel panic - not syncing: panic_on_warn set ...
[ 56.482284][ T5302] CPU: 1 PID: 5302 Comm: syz-executor402 Not tainted 6.1.0-syzkaller-09671-g89529367293c #0
[ 56.492338][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 56.502381][ T5302] Call Trace:
[ 56.505656][ T5302]
[ 56.508577][ T5302] dump_stack_lvl+0xd1/0x138
[ 56.513161][ T5302] panic+0x2cc/0x626
[ 56.517048][ T5302] ? panic_print_sys_info.part.0+0x110/0x110
[ 56.523027][ T5302] ? __warn.cold+0x24b/0x350
[ 56.527612][ T5302] ? _copy_from_iter+0x2ae/0xf40
[ 56.532542][ T5302] __warn.cold+0x25c/0x350
[ 56.536967][ T5302] ? _copy_from_iter+0x2ae/0xf40
[ 56.541893][ T5302] report_bug+0x1c0/0x210
[ 56.546216][ T5302] handle_bug+0x3c/0x70
[ 56.550380][ T5302] exc_invalid_op+0x18/0x50
[ 56.554873][ T5302] asm_exc_invalid_op+0x1a/0x20
[ 56.559714][ T5302] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 56.565246][ T5302] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 7d 2c 79 fd be 79 02 00 00 48 c7 c7 a0 35 a6 8a e8 1c 4a b2 fd e9 55 fe ff ff e8 62 2c 79 fd <0f> 0b 45 31 ff eb 8b e8 56 2c 79 fd 31 ff 89 ee e8 bd 28 79 fd 40
[ 56.584859][ T5302] RSP: 0018:ffffc90003b5f830 EFLAGS: 00010293
[ 56.590943][ T5302] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 56.598924][ T5302] RDX: ffff888075e8d7c0 RSI: ffffffff840786ae RDI: 0000000000000001
[ 56.606903][ T5302] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 56.614884][ T5302] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003b5fd00
[ 56.622878][ T5302] R13: ffffc90003b5fd00 R14: ffff88801d1e8780 R15: 0000000000000000
[ 56.630871][ T5302] ? _copy_from_iter+0x2ae/0xf40
[ 56.635836][ T5302] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 56.641643][ T5302] ? memset+0x24/0x50
[ 56.646244][ T5302] ? __build_skb_around+0x276/0x3a0
[ 56.651457][ T5302] ? __alloc_skb+0x185/0x310
[ 56.656057][ T5302] ? __check_object_size+0x31/0x5a0
[ 56.661264][ T5302] tipc_msg_build+0x2d4/0x10a0
[ 56.666047][ T5302] ? tipc_msg_assemble+0x510/0x510
[ 56.671168][ T5302] ? __tipc_node_link_down+0x1540/0x1540
[ 56.676805][ T5302] ? __local_bh_enable_ip+0xa4/0x130
[ 56.682193][ T5302] __tipc_sendmsg+0xada/0x1870
[ 56.686978][ T5302] ? tipc_sendmcast+0xe60/0xe60
[ 56.691850][ T5302] ? __init_waitqueue_head+0x150/0x150
[ 56.697330][ T5302] ? mark_held_locks+0x9f/0xe0
[ 56.702100][ T5302] ? __local_bh_enable_ip+0xa4/0x130
[ 56.707394][ T5302] tipc_connect+0x57b/0x6b0
[ 56.711905][ T5302] ? tipc_sendmsg+0x70/0x70
[ 56.716433][ T5302] ? bpf_lsm_socket_connect+0x9/0x10
[ 56.721732][ T5302] ? tipc_sendmsg+0x70/0x70
[ 56.726243][ T5302] __sys_connect_file+0x153/0x1a0
[ 56.731280][ T5302] __sys_connect+0x165/0x1a0
[ 56.735877][ T5302] ? __sys_connect_file+0x1a0/0x1a0
[ 56.741094][ T5302] ? _raw_spin_unlock_irq+0x23/0x50
[ 56.746305][ T5302] ? lockdep_hardirqs_on+0x7d/0x100
[ 56.751516][ T5302] ? _raw_spin_unlock_irq+0x2e/0x50
[ 56.756779][ T5302] __x64_sys_connect+0x73/0xb0
[ 56.761601][ T5302] do_syscall_64+0x39/0xb0
[ 56.766060][ T5302] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 56.771985][ T5302] RIP: 0033:0x7f11900b6b19
[ 56.776409][ T5302] 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
[ 56.796023][ T5302] RSP: 002b:00007fff4c7cbe98 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 56.804442][ T5302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11900b6b19
[ 56.812430][ T5302] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 56.820402][ T5302] RBP: 00007f119007acc0 R08: 0000000000000000 R09: 0000000000000000
[ 56.828369][ T5302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f119007ad50
[ 56.836338][ T5302] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 56.844322][ T5302]
[ 56.847484][ T5302] Kernel Offset: disabled
[ 56.851872][ T5302] Rebooting in 86400 seconds..