[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 78.127756][ T8450] ------------[ cut here ]------------ [ 78.133677][ T8450] kernel BUG at net/sctp/auth.c:401! [ 78.140829][ T8450] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 78.147289][ T8450] CPU: 0 PID: 8450 Comm: syz-executor112 Not tainted 5.14.0-rc1-syzkaller #0 [ 78.156317][ T8450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.166539][ T8450] RIP: 0010:sctp_auth_asoc_init_active_key.part.0+0x39b/0x550 [ 78.174133][ T8450] Code: 8b 1b 4c 39 eb 0f 85 d1 fe ff ff 45 31 e4 e8 5c aa 1f f9 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 45 aa 1f f9 <0f> 0b e8 3e aa 1f f9 48 8b 44 24 08 48 c1 e8 03 42 80 3c 20 00 0f [ 78.193735][ T8450] RSP: 0018:ffffc900018ffc28 EFLAGS: 00010293 [ 78.199786][ T8450] RAX: 0000000000000000 RBX: ffff888033c409c8 RCX: 0000000000000000 [ 78.207753][ T8450] RDX: ffff88801e488000 RSI: ffffffff8855dd7b RDI: ffff888033c409ea [ 78.216332][ T8450] RBP: ffff888033c40000 R08: 0000000000000001 R09: 0000000000000001 [ 78.224283][ T8450] R10: ffffffff885603d6 R11: 0000000000000000 R12: 0000000000000000 [ 78.232884][ T8450] R13: dffffc0000000000 R14: ffff888033c409c8 R15: 0000000000000000 [ 78.241515][ T8450] FS: 00000000021a2300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 78.251067][ T8450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.257837][ T8450] CR2: 00007f02865d36c0 CR3: 000000003525d000 CR4: 00000000001506f0 [ 78.265989][ T8450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.274136][ T8450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.282123][ T8450] Call Trace: [ 78.285489][ T8450] sctp_auth_set_key+0x631/0x860 [ 78.291214][ T8450] sctp_setsockopt+0x4bbc/0xa880 [ 78.296233][ T8450] ? __sctp_setsockopt_connectx+0x180/0x180 [ 78.302223][ T8450] ? aa_af_perm+0x230/0x230 [ 78.306841][ T8450] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 78.312820][ T8450] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 78.318961][ T8450] ? sock_common_setsockopt+0x2b/0x100 [ 78.324658][ T8450] ? __sys_setsockopt+0x24d/0x610 [ 78.329697][ T8450] __sys_setsockopt+0x2db/0x610 [ 78.334551][ T8450] ? sock_common_recvmsg+0x1a0/0x1a0 [ 78.340023][ T8450] ? __ia32_sys_recv+0x100/0x100 [ 78.344958][ T8450] ? lock_downgrade+0x6e0/0x6e0 [ 78.349820][ T8450] ? lock_downgrade+0x6e0/0x6e0 [ 78.354679][ T8450] __x64_sys_setsockopt+0xba/0x150 [ 78.359793][ T8450] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.365721][ T8450] do_syscall_64+0x35/0xb0 [ 78.370131][ T8450] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.376021][ T8450] RIP: 0033:0x43ef79 [ 78.379897][ T8450] 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 [ 78.399896][ T8450] RSP: 002b:00007ffd4c33a788 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 78.408318][ T8450] RAX: ffffffffffffffda RBX: 0100000000000000 RCX: 000000000043ef79 [ 78.416623][ T8450] RDX: 0000000000000017 RSI: 0000000000000084 RDI: 0000000000000003 [ 78.424800][ T8450] RBP: 0000000000402f60 R08: 0000000000000009 R09: 0000000000400488 [ 78.433216][ T8450] R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000402ff0 [ 78.441510][ T8450] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 78.449606][ T8450] Modules linked in: [ 78.455120][ T8450] ---[ end trace ce4a86ab3dcc2473 ]--- [ 78.460684][ T8450] RIP: 0010:sctp_auth_asoc_init_active_key.part.0+0x39b/0x550 [ 78.468555][ T8450] Code: 8b 1b 4c 39 eb 0f 85 d1 fe ff ff 45 31 e4 e8 5c aa 1f f9 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 45 aa 1f f9 <0f> 0b e8 3e aa 1f f9 48 8b 44 24 08 48 c1 e8 03 42 80 3c 20 00 0f [ 78.488445][ T8450] RSP: 0018:ffffc900018ffc28 EFLAGS: 00010293 [ 78.494751][ T8450] RAX: 0000000000000000 RBX: ffff888033c409c8 RCX: 0000000000000000 [ 78.502932][ T8450] RDX: ffff88801e488000 RSI: ffffffff8855dd7b RDI: ffff888033c409ea [ 78.511362][ T8450] RBP: ffff888033c40000 R08: 0000000000000001 R09: 0000000000000001 [ 78.519604][ T8450] R10: ffffffff885603d6 R11: 0000000000000000 R12: 0000000000000000 [ 78.527677][ T8450] R13: dffffc0000000000 R14: ffff888033c409c8 R15: 0000000000000000 [ 78.536182][ T8450] FS: 00000000021a2300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 78.545283][ T8450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.552286][ T8450] CR2: 00007f02865d36c0 CR3: 000000003525d000 CR4: 00000000001506f0 [ 78.560738][ T8450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.569437][ T8450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.578806][ T8450] Kernel panic - not syncing: Fatal exception [ 78.586631][ T8450] Kernel Offset: disabled [ 78.590961][ T8450] Rebooting in 86400 seconds..