Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.612590][ T8423] netlink: 208 bytes leftover after parsing attributes in process `syz-executor193'. [ 73.624014][ T8423] ------------[ cut here ]------------ [ 73.629490][ T8423] unsupported nla_type 356 [ 73.629837][ T8423] WARNING: CPU: 1 PID: 8423 at net/xfrm/xfrm_compat.c:280 xfrm_alloc_compat+0xf39/0x10d0 [ 73.644881][ T8423] Modules linked in: [ 73.648773][ T8423] CPU: 1 PID: 8423 Comm: syz-executor193 Not tainted 5.12.0-rc4-syzkaller #0 [ 73.657877][ T8423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.668168][ T8423] RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 [ 73.674389][ T8423] Code: de e8 5b d7 c3 f9 84 db 0f 85 b0 f8 ff ff e8 9e d0 c3 f9 8b 74 24 08 48 c7 c7 80 42 76 8a c6 05 39 2e 02 06 01 e8 74 b7 16 01 <0f> 0b e9 8d f8 ff ff e8 7b d0 c3 f9 8b 14 24 48 c7 c7 40 42 76 8a [ 73.695558][ T8423] RSP: 0018:ffffc90000fff4b8 EFLAGS: 00010282 [ 73.701764][ T8423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 73.710007][ T8423] RDX: ffff88801b1554c0 RSI: ffffffff815c4d75 RDI: fffff520001ffe89 [ 73.719572][ T8423] RBP: 00000000000000d8 R08: 0000000000000000 R09: 0000000000000000 [ 73.727746][ T8423] R10: ffffffff815bdb0e R11: 0000000000000000 R12: 00000000ffffffa1 [ 73.735864][ T8423] R13: ffff8880248eb8f8 R14: ffff888013256dc0 R15: ffff8880132568c0 [ 73.744170][ T8423] FS: 000000000092f300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 73.753392][ T8423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.760001][ T8423] CR2: 00000000200001e0 CR3: 0000000023271000 CR4: 00000000001506e0 [ 73.768113][ T8423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.776215][ T8423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.784581][ T8423] Call Trace: [ 73.788144][ T8423] ? xfrm_attr_cpy32+0x1f0/0x1f0 [ 73.793507][ T8423] xfrm_alloc_userspi+0x66a/0xa30 [ 73.798586][ T8423] ? tag_mount+0x130/0xf20 [ 73.803831][ T8423] ? xfrm_send_report+0x510/0x510 [ 73.809174][ T8423] ? __nla_parse+0x3d/0x50 [ 73.813750][ T8423] ? xfrm_send_report+0x510/0x510 [ 73.818813][ T8423] xfrm_user_rcv_msg+0x42c/0x8b0 [ 73.823860][ T8423] ? xfrm_do_migrate+0x7f0/0x7f0 [ 73.828823][ T8423] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.835190][ T8423] ? lock_chain_count+0x20/0x20 [ 73.840114][ T8423] ? __mutex_lock+0x620/0x1120 [ 73.847229][ T8423] netlink_rcv_skb+0x153/0x420 [ 73.852987][ T8423] ? xfrm_do_migrate+0x7f0/0x7f0 [ 73.858088][ T8423] ? netlink_ack+0xaa0/0xaa0 [ 73.863252][ T8423] xfrm_netlink_rcv+0x6b/0x90 [ 73.867990][ T8423] netlink_unicast+0x533/0x7d0 [ 73.872985][ T8423] ? netlink_attachskb+0x870/0x870 [ 73.878378][ T8423] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.884791][ T8423] ? __phys_addr_symbol+0x2c/0x70 [ 73.889848][ T8423] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 73.895814][ T8423] ? __check_object_size+0x171/0x3f0 [ 73.901339][ T8423] netlink_sendmsg+0x856/0xd90 [ 73.906402][ T8423] ? netlink_unicast+0x7d0/0x7d0 [ 73.911473][ T8423] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.917753][ T8423] ? netlink_unicast+0x7d0/0x7d0 [ 73.922827][ T8423] sock_sendmsg+0xcf/0x120 [ 73.927286][ T8423] ____sys_sendmsg+0x6e8/0x810 [ 73.932361][ T8423] ? kernel_sendmsg+0x50/0x50 [ 73.937074][ T8423] ? do_recvmmsg+0x6d0/0x6d0 [ 73.941840][ T8423] ? do_huge_pmd_anonymous_page+0x124b/0x2570 [ 73.948222][ T8423] ? lock_downgrade+0x6e0/0x6e0 [ 73.953213][ T8423] ___sys_sendmsg+0xf3/0x170 [ 73.957855][ T8423] ? sendmsg_copy_msghdr+0x160/0x160 [ 73.963275][ T8423] ? __lock_acquire+0x16b3/0x54c0 [ 73.968353][ T8423] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.975724][ T8423] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.982316][ T8423] ? __fget_light+0x215/0x280 [ 73.987073][ T8423] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.993524][ T8423] __sys_sendmsg+0xe5/0x1b0 [ 73.998364][ T8423] ? __sys_sendmsg_sock+0x30/0x30 [ 74.003655][ T8423] ? syscall_enter_from_user_mode+0x27/0x70 [ 74.009725][ T8423] do_syscall_64+0x2d/0x70 [ 74.014358][ T8423] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.020639][ T8423] RIP: 0033:0x43f009 [ 74.024563][ T8423] 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 [ 74.044858][ T8423] RSP: 002b:00007ffe0986bcb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.054156][ T8423] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f009 [ 74.062784][ T8423] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000003 [ 74.070978][ T8423] RBP: 0000000000402ff0 R08: 0000000000000000 R09: 0000000000400488 [ 74.079299][ T8423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403080 [ 74.087512][ T8423] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 74.095882][ T8423] Kernel panic - not syncing: panic_on_warn set ... [ 74.102758][ T8423] CPU: 1 PID: 8423 Comm: syz-executor193 Not tainted 5.12.0-rc4-syzkaller #0 [ 74.111519][ T8423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.121590][ T8423] Call Trace: [ 74.125002][ T8423] dump_stack+0x141/0x1d7 [ 74.129798][ T8423] panic+0x306/0x73d [ 74.133796][ T8423] ? __warn_printk+0xf3/0xf3 [ 74.138396][ T8423] ? __warn.cold+0x1a/0x44 [ 74.142828][ T8423] ? xfrm_alloc_compat+0xf39/0x10d0 [ 74.148198][ T8423] __warn.cold+0x35/0x44 [ 74.152470][ T8423] ? wake_up_klogd.part.0+0x8e/0xd0 [ 74.157706][ T8423] ? xfrm_alloc_compat+0xf39/0x10d0 [ 74.162927][ T8423] report_bug+0x1bd/0x210 [ 74.167258][ T8423] handle_bug+0x3c/0x60 [ 74.171415][ T8423] exc_invalid_op+0x14/0x40 [ 74.175941][ T8423] asm_exc_invalid_op+0x12/0x20 [ 74.180795][ T8423] RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 [ 74.186695][ T8423] Code: de e8 5b d7 c3 f9 84 db 0f 85 b0 f8 ff ff e8 9e d0 c3 f9 8b 74 24 08 48 c7 c7 80 42 76 8a c6 05 39 2e 02 06 01 e8 74 b7 16 01 <0f> 0b e9 8d f8 ff ff e8 7b d0 c3 f9 8b 14 24 48 c7 c7 40 42 76 8a [ 74.206430][ T8423] RSP: 0018:ffffc90000fff4b8 EFLAGS: 00010282 [ 74.212522][ T8423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.220666][ T8423] RDX: ffff88801b1554c0 RSI: ffffffff815c4d75 RDI: fffff520001ffe89 [ 74.228735][ T8423] RBP: 00000000000000d8 R08: 0000000000000000 R09: 0000000000000000 [ 74.237024][ T8423] R10: ffffffff815bdb0e R11: 0000000000000000 R12: 00000000ffffffa1 [ 74.246447][ T8423] R13: ffff8880248eb8f8 R14: ffff888013256dc0 R15: ffff8880132568c0 [ 74.254525][ T8423] ? wake_up_klogd.part.0+0x8e/0xd0 [ 74.259931][ T8423] ? vprintk_func+0x95/0x1e0 [ 74.264574][ T8423] ? xfrm_alloc_compat+0xf39/0x10d0 [ 74.270013][ T8423] ? xfrm_attr_cpy32+0x1f0/0x1f0 [ 74.275023][ T8423] xfrm_alloc_userspi+0x66a/0xa30 [ 74.280135][ T8423] ? tag_mount+0x130/0xf20 [ 74.284626][ T8423] ? xfrm_send_report+0x510/0x510 [ 74.289656][ T8423] ? __nla_parse+0x3d/0x50 [ 74.294141][ T8423] ? xfrm_send_report+0x510/0x510 [ 74.299357][ T8423] xfrm_user_rcv_msg+0x42c/0x8b0 [ 74.304532][ T8423] ? xfrm_do_migrate+0x7f0/0x7f0 [ 74.309590][ T8423] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.315586][ T8423] ? lock_chain_count+0x20/0x20 [ 74.320983][ T8423] ? __mutex_lock+0x620/0x1120 [ 74.325797][ T8423] netlink_rcv_skb+0x153/0x420 [ 74.330608][ T8423] ? xfrm_do_migrate+0x7f0/0x7f0 [ 74.335773][ T8423] ? netlink_ack+0xaa0/0xaa0 [ 74.340794][ T8423] xfrm_netlink_rcv+0x6b/0x90 [ 74.345511][ T8423] netlink_unicast+0x533/0x7d0 [ 74.350400][ T8423] ? netlink_attachskb+0x870/0x870 [ 74.355534][ T8423] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.362059][ T8423] ? __phys_addr_symbol+0x2c/0x70 [ 74.367208][ T8423] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 74.373549][ T8423] ? __check_object_size+0x171/0x3f0 [ 74.378974][ T8423] netlink_sendmsg+0x856/0xd90 [ 74.384156][ T8423] ? netlink_unicast+0x7d0/0x7d0 [ 74.389624][ T8423] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.395878][ T8423] ? netlink_unicast+0x7d0/0x7d0 [ 74.400899][ T8423] sock_sendmsg+0xcf/0x120 [ 74.405407][ T8423] ____sys_sendmsg+0x6e8/0x810 [ 74.410170][ T8423] ? kernel_sendmsg+0x50/0x50 [ 74.414842][ T8423] ? do_recvmmsg+0x6d0/0x6d0 [ 74.419447][ T8423] ? do_huge_pmd_anonymous_page+0x124b/0x2570 [ 74.425507][ T8423] ? lock_downgrade+0x6e0/0x6e0 [ 74.430540][ T8423] ___sys_sendmsg+0xf3/0x170 [ 74.435134][ T8423] ? sendmsg_copy_msghdr+0x160/0x160 [ 74.440512][ T8423] ? __lock_acquire+0x16b3/0x54c0 [ 74.445632][ T8423] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.451625][ T8423] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.458055][ T8423] ? __fget_light+0x215/0x280 [ 74.463020][ T8423] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.469544][ T8423] __sys_sendmsg+0xe5/0x1b0 [ 74.474243][ T8423] ? __sys_sendmsg_sock+0x30/0x30 [ 74.479291][ T8423] ? syscall_enter_from_user_mode+0x27/0x70 [ 74.485196][ T8423] do_syscall_64+0x2d/0x70 [ 74.489614][ T8423] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.495526][ T8423] RIP: 0033:0x43f009 [ 74.499415][ T8423] 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 [ 74.519033][ T8423] RSP: 002b:00007ffe0986bcb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.527460][ T8423] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f009 [ 74.535646][ T8423] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000003 [ 74.543642][ T8423] RBP: 0000000000402ff0 R08: 0000000000000000 R09: 0000000000400488 [ 74.551650][ T8423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403080 [ 74.559735][ T8423] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 74.568758][ T8423] Kernel Offset: disabled [ 74.573187][ T8423] Rebooting in 86400 seconds..