./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2456909101 <...> Warning: Permanently added '10.128.1.115' (ECDSA) to the list of known hosts. execve("./syz-executor2456909101", ["./syz-executor2456909101"], 0x7ffd854cc9f0 /* 10 vars */) = 0 brk(NULL) = 0x555556916000 brk(0x555556916c40) = 0x555556916c40 arch_prctl(ARCH_SET_FS, 0x555556916300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2456909101", 4096) = 28 brk(0x555556937c40) = 0x555556937c40 brk(0x555556938000) = 0x555556938000 mprotect(0x7f50a27cd000, 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 [ 57.878028][ T5069] ------------[ cut here ]------------ [ 57.883671][ T5069] WARNING: CPU: 0 PID: 5069 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40 [ 57.892714][ T5069] Modules linked in: [ 57.896638][ T5069] CPU: 0 PID: 5069 Comm: syz-executor245 Not tainted 6.2.0-rc1-syzkaller #0 [ 57.905523][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 57.915930][ T5069] RIP: 0010:_copy_from_iter+0x2ae/0xf40 [ 57.921518][ T5069] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9d da 77 fd be 79 02 00 00 48 c7 c7 a0 63 a6 8a e8 0c 06 b1 fd e9 55 fe ff ff e8 82 da 77 fd <0f> 0b 45 31 ff eb 8b e8 76 da 77 fd 31 ff 89 ee e8 dd d6 77 fd 40 [ 57.941390][ T5069] RSP: 0018:ffffc90003d6f830 EFLAGS: 00010293 [ 57.947603][ T5069] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.955670][ T5069] RDX: ffff8880271057c0 RSI: ffffffff840977be RDI: 0000000000000001 [ 57.963763][ T5069] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 57.971756][ T5069] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003d6fd00 [ 57.979803][ T5069] R13: ffffc90003d6fd00 R14: ffff888079587180 R15: 0000000000000000 [ 57.987860][ T5069] FS: 0000555556916300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.996910][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.003727][ T5069] CR2: 0000000020000002 CR3: 00000000796ea000 CR4: 00000000003506f0 [ 58.011728][ T5069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.019932][ T5069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.028052][ T5069] Call Trace: [ 58.031370][ T5069] [ 58.034695][ T5069] ? csum_and_copy_from_iter+0x12e0/0x12e0 [ 58.040563][ T5069] ? memset+0x24/0x50 [ 58.044638][ T5069] ? __build_skb_around+0x276/0x3a0 [ 58.049872][ T5069] ? __alloc_skb+0x185/0x310 [ 58.054549][ T5069] ? __check_object_size+0x31/0x5a0 [ 58.059782][ T5069] tipc_msg_build+0x2d4/0x10a0 [ 58.064686][ T5069] ? tipc_msg_assemble+0x510/0x510 [ 58.069827][ T5069] ? __tipc_node_link_down+0x1540/0x1540 [ 58.075535][ T5069] ? __local_bh_enable_ip+0xa4/0x130 [ 58.080849][ T5069] __tipc_sendmsg+0xada/0x1870 [ 58.085685][ T5069] ? tipc_sendmcast+0xe60/0xe60 [ 58.090602][ T5069] ? __init_waitqueue_head+0x150/0x150 [ 58.096291][ T5069] ? mark_held_locks+0x9f/0xe0 [ 58.101173][ T5069] ? __local_bh_enable_ip+0xa4/0x130 [ 58.106541][ T5069] tipc_connect+0x57b/0x6b0 [ 58.111081][ T5069] ? tipc_sendmsg+0x70/0x70 [ 58.115867][ T5069] ? bpf_lsm_socket_connect+0x9/0x10 [ 58.121296][ T5069] ? tipc_sendmsg+0x70/0x70 [ 58.125925][ T5069] __sys_connect_file+0x153/0x1a0 [ 58.131002][ T5069] __sys_connect+0x165/0x1a0 [ 58.135722][ T5069] ? __sys_connect_file+0x1a0/0x1a0 [ 58.140971][ T5069] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.146567][ T5069] ? lockdep_hardirqs_on+0x7d/0x100 [ 58.151799][ T5069] ? _raw_spin_unlock_irq+0x2e/0x50 [ 58.157111][ T5069] __x64_sys_connect+0x73/0xb0 [ 58.161906][ T5069] do_syscall_64+0x39/0xb0 [ 58.166403][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.172413][ T5069] RIP: 0033:0x7f50a2760b19 [ 58.176852][ T5069] 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 [ 58.196596][ T5069] RSP: 002b:00007fffe3fd5d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 58.205083][ T5069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50a2760b19 [ 58.213137][ T5069] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003 [ 58.221128][ T5069] RBP: 00007f50a2724cc0 R08: 0000000000000000 R09: 0000000000000000 [ 58.229242][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f50a2724d50 [ 58.238286][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 58.246354][ T5069] [ 58.249395][ T5069] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.257293][ T5069] CPU: 0 PID: 5069 Comm: syz-executor245 Not tainted 6.2.0-rc1-syzkaller #0 [ 58.266140][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 58.276205][ T5069] Call Trace: [ 58.279503][ T5069] [ 58.282428][ T5069] dump_stack_lvl+0xd1/0x138 [ 58.287018][ T5069] panic+0x2cc/0x626 [ 58.290912][ T5069] ? panic_print_sys_info.part.0+0x110/0x110 [ 58.296898][ T5069] ? _copy_from_iter+0x2ae/0xf40 [ 58.301827][ T5069] check_panic_on_warn.cold+0x19/0x35 [ 58.307194][ T5069] __warn+0xf2/0x1a0 [ 58.311081][ T5069] ? _copy_from_iter+0x2ae/0xf40 [ 58.316185][ T5069] report_bug+0x1c0/0x210 [ 58.320512][ T5069] handle_bug+0x3c/0x70 [ 58.324661][ T5069] exc_invalid_op+0x18/0x50 [ 58.329161][ T5069] asm_exc_invalid_op+0x1a/0x20 [ 58.334004][ T5069] RIP: 0010:_copy_from_iter+0x2ae/0xf40 [ 58.339578][ T5069] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9d da 77 fd be 79 02 00 00 48 c7 c7 a0 63 a6 8a e8 0c 06 b1 fd e9 55 fe ff ff e8 82 da 77 fd <0f> 0b 45 31 ff eb 8b e8 76 da 77 fd 31 ff 89 ee e8 dd d6 77 fd 40 [ 58.359212][ T5069] RSP: 0018:ffffc90003d6f830 EFLAGS: 00010293 [ 58.365280][ T5069] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.373262][ T5069] RDX: ffff8880271057c0 RSI: ffffffff840977be RDI: 0000000000000001 [ 58.381314][ T5069] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 58.389485][ T5069] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003d6fd00 [ 58.397473][ T5069] R13: ffffc90003d6fd00 R14: ffff888079587180 R15: 0000000000000000 [ 58.405456][ T5069] ? _copy_from_iter+0x2ae/0xf40 [ 58.410404][ T5069] ? csum_and_copy_from_iter+0x12e0/0x12e0 [ 58.416205][ T5069] ? memset+0x24/0x50 [ 58.420188][ T5069] ? __build_skb_around+0x276/0x3a0 [ 58.425384][ T5069] ? __alloc_skb+0x185/0x310 [ 58.429970][ T5069] ? __check_object_size+0x31/0x5a0 [ 58.435168][ T5069] tipc_msg_build+0x2d4/0x10a0 [ 58.439937][ T5069] ? tipc_msg_assemble+0x510/0x510 [ 58.445046][ T5069] ? __tipc_node_link_down+0x1540/0x1540 [ 58.450672][ T5069] ? __local_bh_enable_ip+0xa4/0x130 [ 58.455985][ T5069] __tipc_sendmsg+0xada/0x1870 [ 58.460776][ T5069] ? tipc_sendmcast+0xe60/0xe60 [ 58.465643][ T5069] ? __init_waitqueue_head+0x150/0x150 [ 58.471200][ T5069] ? mark_held_locks+0x9f/0xe0 [ 58.475972][ T5069] ? __local_bh_enable_ip+0xa4/0x130 [ 58.481258][ T5069] tipc_connect+0x57b/0x6b0 [ 58.485761][ T5069] ? tipc_sendmsg+0x70/0x70 [ 58.490269][ T5069] ? bpf_lsm_socket_connect+0x9/0x10 [ 58.495574][ T5069] ? tipc_sendmsg+0x70/0x70 [ 58.500078][ T5069] __sys_connect_file+0x153/0x1a0 [ 58.505111][ T5069] __sys_connect+0x165/0x1a0 [ 58.510378][ T5069] ? __sys_connect_file+0x1a0/0x1a0 [ 58.517075][ T5069] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.522634][ T5069] ? lockdep_hardirqs_on+0x7d/0x100 [ 58.528151][ T5069] ? _raw_spin_unlock_irq+0x2e/0x50 [ 58.533381][ T5069] __x64_sys_connect+0x73/0xb0 [ 58.538158][ T5069] do_syscall_64+0x39/0xb0 [ 58.542575][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.548458][ T5069] RIP: 0033:0x7f50a2760b19 [ 58.552888][ T5069] 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 [ 58.572941][ T5069] RSP: 002b:00007fffe3fd5d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 58.581380][ T5069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50a2760b19 [ 58.589432][ T5069] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003 [ 58.597948][ T5069] RBP: 00007f50a2724cc0 R08: 0000000000000000 R09: 0000000000000000 [ 58.605917][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f50a2724d50 [ 58.613897][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 58.621896][ T5069] [ 58.625149][ T5069] Kernel Offset: disabled [ 58.629581][ T5069] Rebooting in 86400 seconds..