Warning: Permanently added '10.128.0.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.513159][ T8437] netlink: 228 bytes leftover after parsing attributes in process `syz-executor669'. [ 75.523110][ T8437] ================================================================================ [ 75.533935][ T8437] UBSAN: shift-out-of-bounds in net/xfrm/xfrm_user.c:1969:18 [ 75.542046][ T8437] shift exponent 255 is too large for 32-bit type 'int' [ 75.549412][ T8437] CPU: 0 PID: 8437 Comm: syz-executor669 Not tainted 5.14.0-rc2-next-20210723-syzkaller #0 [ 75.559389][ T8437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.570009][ T8437] Call Trace: [ 75.573301][ T8437] dump_stack_lvl+0xcd/0x134 [ 75.577904][ T8437] ubsan_epilogue+0xb/0x5a [ 75.582496][ T8437] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 75.589273][ T8437] ? audit_seccomp_actions_logged+0xe1/0x100 [ 75.595618][ T8437] ? security_capable+0x8f/0xc0 [ 75.600479][ T8437] xfrm_set_default.cold+0x21/0x102 [ 75.605759][ T8437] ? xfrm_netlink_rcv+0x90/0x90 [ 75.610604][ T8437] xfrm_user_rcv_msg+0x430/0xa20 [ 75.615556][ T8437] ? xfrm_do_migrate+0x7f0/0x7f0 [ 75.620481][ T8437] ? lock_chain_count+0x20/0x20 [ 75.625324][ T8437] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.631324][ T8437] ? __mutex_lock+0x21c/0x1300 [ 75.636083][ T8437] netlink_rcv_skb+0x153/0x420 [ 75.640843][ T8437] ? xfrm_do_migrate+0x7f0/0x7f0 [ 75.645788][ T8437] ? netlink_ack+0xa60/0xa60 [ 75.650408][ T8437] ? _copy_from_iter+0x12b/0x1320 [ 75.655442][ T8437] xfrm_netlink_rcv+0x6b/0x90 [ 75.660109][ T8437] netlink_unicast+0x533/0x7d0 [ 75.664879][ T8437] ? netlink_attachskb+0x890/0x890 [ 75.669994][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.676231][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.682558][ T8437] ? __phys_addr_symbol+0x2c/0x70 [ 75.687575][ T8437] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 75.693298][ T8437] ? __check_object_size+0x16e/0x3f0 [ 75.698612][ T8437] netlink_sendmsg+0x86d/0xdb0 [ 75.703488][ T8437] ? netlink_unicast+0x7d0/0x7d0 [ 75.708693][ T8437] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.714952][ T8437] ? netlink_unicast+0x7d0/0x7d0 [ 75.719978][ T8437] sock_sendmsg+0xcf/0x120 [ 75.724395][ T8437] ____sys_sendmsg+0x6e8/0x810 [ 75.729251][ T8437] ? kernel_sendmsg+0x50/0x50 [ 75.734185][ T8437] ? do_recvmmsg+0x6d0/0x6d0 [ 75.738782][ T8437] ? do_huge_pmd_anonymous_page+0x12b6/0x27a0 [ 75.744847][ T8437] ? lock_downgrade+0x6e0/0x6e0 [ 75.749980][ T8437] ___sys_sendmsg+0xf3/0x170 [ 75.754566][ T8437] ? sendmsg_copy_msghdr+0x160/0x160 [ 75.759864][ T8437] ? __lock_acquire+0x162f/0x54a0 [ 75.764892][ T8437] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.770864][ T8437] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.776841][ T8437] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.783088][ T8437] ? __fget_light+0x215/0x280 [ 75.787778][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.794188][ T8437] __sys_sendmsg+0xe5/0x1b0 [ 75.798688][ T8437] ? __sys_sendmsg_sock+0x30/0x30 [ 75.803730][ T8437] ? syscall_enter_from_user_mode+0x21/0x70 [ 75.809634][ T8437] do_syscall_64+0x35/0xb0 [ 75.814046][ T8437] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.819935][ T8437] RIP: 0033:0x43f0d9 [ 75.823845][ T8437] 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 [ 75.843544][ T8437] RSP: 002b:00007ffc71f859f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.851954][ T8437] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f0d9 [ 75.861303][ T8437] RDX: 0000000000000000 RSI: 0000000020000740 RDI: 0000000000000003 [ 75.869357][ T8437] RBP: 00000000004030c0 R08: 0000000000000000 R09: 0000000000400488 [ 75.877316][ T8437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403150 [ 75.885568][ T8437] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 75.897386][ T8437] ================================================================================ [ 75.906841][ T8437] Kernel panic - not syncing: panic_on_warn set ... [ 75.913467][ T8437] CPU: 0 PID: 8437 Comm: syz-executor669 Not tainted 5.14.0-rc2-next-20210723-syzkaller #0 [ 75.928326][ T8437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.938377][ T8437] Call Trace: [ 75.941646][ T8437] dump_stack_lvl+0xcd/0x134 [ 75.946239][ T8437] panic+0x306/0x73d [ 75.950128][ T8437] ? __warn_printk+0xf3/0xf3 [ 75.954738][ T8437] ? dump_stack_lvl+0x120/0x134 [ 75.959756][ T8437] ? ubsan_epilogue+0x3e/0x5a [ 75.964429][ T8437] ubsan_epilogue+0x54/0x5a [ 75.968929][ T8437] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 75.975696][ T8437] ? audit_seccomp_actions_logged+0xe1/0x100 [ 75.981669][ T8437] ? security_capable+0x8f/0xc0 [ 75.986632][ T8437] xfrm_set_default.cold+0x21/0x102 [ 75.991823][ T8437] ? xfrm_netlink_rcv+0x90/0x90 [ 75.996664][ T8437] xfrm_user_rcv_msg+0x430/0xa20 [ 76.001598][ T8437] ? xfrm_do_migrate+0x7f0/0x7f0 [ 76.006524][ T8437] ? lock_chain_count+0x20/0x20 [ 76.011538][ T8437] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.017634][ T8437] ? __mutex_lock+0x21c/0x1300 [ 76.022395][ T8437] netlink_rcv_skb+0x153/0x420 [ 76.027160][ T8437] ? xfrm_do_migrate+0x7f0/0x7f0 [ 76.032090][ T8437] ? netlink_ack+0xa60/0xa60 [ 76.036706][ T8437] ? _copy_from_iter+0x12b/0x1320 [ 76.041736][ T8437] xfrm_netlink_rcv+0x6b/0x90 [ 76.046414][ T8437] netlink_unicast+0x533/0x7d0 [ 76.051277][ T8437] ? netlink_attachskb+0x890/0x890 [ 76.056642][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.063180][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.069671][ T8437] ? __phys_addr_symbol+0x2c/0x70 [ 76.074685][ T8437] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 76.080395][ T8437] ? __check_object_size+0x16e/0x3f0 [ 76.085688][ T8437] netlink_sendmsg+0x86d/0xdb0 [ 76.090451][ T8437] ? netlink_unicast+0x7d0/0x7d0 [ 76.095393][ T8437] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.101630][ T8437] ? netlink_unicast+0x7d0/0x7d0 [ 76.107084][ T8437] sock_sendmsg+0xcf/0x120 [ 76.111592][ T8437] ____sys_sendmsg+0x6e8/0x810 [ 76.116366][ T8437] ? kernel_sendmsg+0x50/0x50 [ 76.121176][ T8437] ? do_recvmmsg+0x6d0/0x6d0 [ 76.125781][ T8437] ? do_huge_pmd_anonymous_page+0x12b6/0x27a0 [ 76.131848][ T8437] ? lock_downgrade+0x6e0/0x6e0 [ 76.136701][ T8437] ___sys_sendmsg+0xf3/0x170 [ 76.141371][ T8437] ? sendmsg_copy_msghdr+0x160/0x160 [ 76.146743][ T8437] ? __lock_acquire+0x162f/0x54a0 [ 76.151767][ T8437] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.157838][ T8437] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.164078][ T8437] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.170314][ T8437] ? __fget_light+0x215/0x280 [ 76.174983][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.181305][ T8437] __sys_sendmsg+0xe5/0x1b0 [ 76.185889][ T8437] ? __sys_sendmsg_sock+0x30/0x30 [ 76.190913][ T8437] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.197004][ T8437] do_syscall_64+0x35/0xb0 [ 76.201871][ T8437] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.207761][ T8437] RIP: 0033:0x43f0d9 [ 76.211683][ T8437] 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 [ 76.231372][ T8437] RSP: 002b:00007ffc71f859f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.239775][ T8437] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f0d9 [ 76.247754][ T8437] RDX: 0000000000000000 RSI: 0000000020000740 RDI: 0000000000000003 [ 76.255715][ T8437] RBP: 00000000004030c0 R08: 0000000000000000 R09: 0000000000400488 [ 76.263690][ T8437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403150 [ 76.271649][ T8437] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 76.281383][ T8437] Kernel Offset: disabled [ 76.285901][ T8437] Rebooting in 86400 seconds..