./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2550601300 <...> Warning: Permanently added '10.128.1.9' (ECDSA) to the list of known hosts. execve("./syz-executor2550601300", ["./syz-executor2550601300"], 0x7fffef8fb370 /* 10 vars */) = 0 brk(NULL) = 0x5555559cd000 brk(0x5555559cdc40) = 0x5555559cdc40 arch_prctl(ARCH_SET_FS, 0x5555559cd300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2550601300", 4096) = 28 brk(0x5555559eec40) = 0x5555559eec40 brk(0x5555559ef000) = 0x5555559ef000 mprotect(0x7ff423412000, 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 [ 54.678351][ T5071] ------------[ cut here ]------------ [ 54.683950][ T5071] WARNING: CPU: 1 PID: 5071 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40 [ 54.693260][ T5071] Modules linked in: [ 54.697444][ T5071] CPU: 1 PID: 5071 Comm: syz-executor255 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 54.707744][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.718014][ T5071] RIP: 0010:_copy_from_iter+0x2ae/0xf40 [ 54.723574][ T5071] 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 [ 54.743529][ T5071] RSP: 0018:ffffc90003c1f830 EFLAGS: 00010293 [ 54.749726][ T5071] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.757826][ T5071] RDX: ffff8880266bd7c0 RSI: ffffffff84096f5e RDI: 0000000000000001 [ 54.765797][ T5071] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 54.773805][ T5071] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003c1fd00 [ 54.781831][ T5071] R13: ffffc90003c1fd00 R14: ffff88807dbc0000 R15: 0000000000000000 [ 54.789849][ T5071] FS: 00005555559cd300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 54.798819][ T5071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.805409][ T5071] CR2: 000000000045ad50 CR3: 000000007cd6c000 CR4: 00000000003506f0 [ 54.813423][ T5071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.821445][ T5071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.829453][ T5071] Call Trace: [ 54.832752][ T5071] [ 54.835682][ T5071] ? csum_and_copy_from_iter+0x12e0/0x12e0 [ 54.841553][ T5071] ? memset+0x24/0x50 [ 54.845558][ T5071] ? __build_skb_around+0x276/0x3a0 [ 54.850801][ T5071] ? __alloc_skb+0x185/0x310 [ 54.855417][ T5071] ? __check_object_size+0x31/0x5a0 [ 54.860663][ T5071] tipc_msg_build+0x2d4/0x10a0 [ 54.865454][ T5071] ? tipc_msg_assemble+0x510/0x510 [ 54.870608][ T5071] ? __tipc_node_link_down+0x1540/0x1540 [ 54.876318][ T5071] ? __local_bh_enable_ip+0xa4/0x130 [ 54.881635][ T5071] __tipc_sendmsg+0xada/0x1870 [ 54.886458][ T5071] ? tipc_sendmcast+0xe60/0xe60 [ 54.891358][ T5071] ? __init_waitqueue_head+0x150/0x150 [ 54.897127][ T5071] ? mark_held_locks+0x9f/0xe0 [ 54.901919][ T5071] ? __local_bh_enable_ip+0xa4/0x130 [ 54.907259][ T5071] tipc_connect+0x57b/0x6b0 [ 54.911781][ T5071] ? tipc_sendmsg+0x70/0x70 [ 54.916353][ T5071] ? bpf_lsm_socket_connect+0x9/0x10 [ 54.921670][ T5071] ? tipc_sendmsg+0x70/0x70 [ 54.926240][ T5071] __sys_connect_file+0x153/0x1a0 [ 54.931287][ T5071] __sys_connect+0x165/0x1a0 [ 54.935872][ T5071] ? __sys_connect_file+0x1a0/0x1a0 [ 54.941121][ T5071] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.946383][ T5071] ? lockdep_hardirqs_on+0x7d/0x100 [ 54.951577][ T5071] ? _raw_spin_unlock_irq+0x2e/0x50 [ 54.956837][ T5071] __x64_sys_connect+0x73/0xb0 [ 54.961619][ T5071] do_syscall_64+0x39/0xb0 [ 54.966437][ T5071] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.972351][ T5071] RIP: 0033:0x7ff4233a5b19 [ 54.976805][ T5071] 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 [ 54.996475][ T5071] RSP: 002b:00007fff49e2c498 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 55.004883][ T5071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff4233a5b19 [ 55.012915][ T5071] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003 [ 55.020975][ T5071] RBP: 00007ff423369cc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.029336][ T5071] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff423369d50 [ 55.037474][ T5071] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.045465][ T5071] [ 55.048530][ T5071] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 55.055818][ T5071] CPU: 0 PID: 5071 Comm: syz-executor255 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 55.065869][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.075911][ T5071] Call Trace: [ 55.079181][ T5071] [ 55.082101][ T5071] dump_stack_lvl+0xd1/0x138 [ 55.086692][ T5071] panic+0x2cc/0x626 [ 55.090576][ T5071] ? panic_print_sys_info.part.0+0x110/0x110 [ 55.096556][ T5071] ? _copy_from_iter+0x2ae/0xf40 [ 55.101485][ T5071] check_panic_on_warn.cold+0x19/0x35 [ 55.106848][ T5071] __warn+0xf2/0x1a0 [ 55.110739][ T5071] ? _copy_from_iter+0x2ae/0xf40 [ 55.115669][ T5071] report_bug+0x1c0/0x210 [ 55.120009][ T5071] handle_bug+0x3c/0x70 [ 55.124163][ T5071] exc_invalid_op+0x18/0x50 [ 55.128663][ T5071] asm_exc_invalid_op+0x1a/0x20 [ 55.133508][ T5071] RIP: 0010:_copy_from_iter+0x2ae/0xf40 [ 55.139045][ T5071] 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 [ 55.158652][ T5071] RSP: 0018:ffffc90003c1f830 EFLAGS: 00010293 [ 55.164730][ T5071] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.172709][ T5071] RDX: ffff8880266bd7c0 RSI: ffffffff84096f5e RDI: 0000000000000001 [ 55.180687][ T5071] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 55.188667][ T5071] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003c1fd00 [ 55.196650][ T5071] R13: ffffc90003c1fd00 R14: ffff88807dbc0000 R15: 0000000000000000 [ 55.204641][ T5071] ? _copy_from_iter+0x2ae/0xf40 [ 55.209608][ T5071] ? csum_and_copy_from_iter+0x12e0/0x12e0 [ 55.215432][ T5071] ? memset+0x24/0x50 [ 55.219435][ T5071] ? __build_skb_around+0x276/0x3a0 [ 55.224659][ T5071] ? __alloc_skb+0x185/0x310 [ 55.229270][ T5071] ? __check_object_size+0x31/0x5a0 [ 55.234493][ T5071] tipc_msg_build+0x2d4/0x10a0 [ 55.239286][ T5071] ? tipc_msg_assemble+0x510/0x510 [ 55.244416][ T5071] ? __tipc_node_link_down+0x1540/0x1540 [ 55.250078][ T5071] ? __local_bh_enable_ip+0xa4/0x130 [ 55.255393][ T5071] __tipc_sendmsg+0xada/0x1870 [ 55.260186][ T5071] ? tipc_sendmcast+0xe60/0xe60 [ 55.265063][ T5071] ? __init_waitqueue_head+0x150/0x150 [ 55.270559][ T5071] ? mark_held_locks+0x9f/0xe0 [ 55.275342][ T5071] ? __local_bh_enable_ip+0xa4/0x130 [ 55.280647][ T5071] tipc_connect+0x57b/0x6b0 [ 55.285169][ T5071] ? tipc_sendmsg+0x70/0x70 [ 55.289705][ T5071] ? bpf_lsm_socket_connect+0x9/0x10 [ 55.295017][ T5071] ? tipc_sendmsg+0x70/0x70 [ 55.299538][ T5071] __sys_connect_file+0x153/0x1a0 [ 55.304586][ T5071] __sys_connect+0x165/0x1a0 [ 55.309193][ T5071] ? __sys_connect_file+0x1a0/0x1a0 [ 55.314424][ T5071] ? _raw_spin_unlock_irq+0x23/0x50 [ 55.319646][ T5071] ? lockdep_hardirqs_on+0x7d/0x100 [ 55.324862][ T5071] ? _raw_spin_unlock_irq+0x2e/0x50 [ 55.330085][ T5071] __x64_sys_connect+0x73/0xb0 [ 55.334873][ T5071] do_syscall_64+0x39/0xb0 [ 55.339320][ T5071] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.345241][ T5071] RIP: 0033:0x7ff4233a5b19 [ 55.349670][ T5071] 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 [ 55.369289][ T5071] RSP: 002b:00007fff49e2c498 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 55.377716][ T5071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff4233a5b19 [ 55.385696][ T5071] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003 [ 55.393711][ T5071] RBP: 00007ff423369cc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.401692][ T5071] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff423369d50 [ 55.409673][ T5071] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.417675][ T5071] [ 55.420846][ T5071] Kernel Offset: disabled [ 55.425239][ T5071] Rebooting in 86400 seconds..