[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.699197][ T6520] ------------[ cut here ]------------ [ 66.705261][ T6520] WARNING: CPU: 1 PID: 6520 at mm/util.c:597 kvmalloc_node+0x111/0x120 [ 66.714188][ T6520] Modules linked in: [ 66.718087][ T6520] CPU: 1 PID: 6520 Comm: syz-executor147 Not tainted 5.15.0-rc3-syzkaller #0 [ 66.727433][ T6520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.737658][ T6520] RIP: 0010:kvmalloc_node+0x111/0x120 [ 66.743156][ T6520] Code: 01 00 00 00 4c 89 e7 e8 ad 18 0d 00 49 89 c5 e9 69 ff ff ff e8 f0 98 d0 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 df 98 d0 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 c6 [ 66.762933][ T6520] RSP: 0018:ffffc900011ef280 EFLAGS: 00010293 [ 66.769008][ T6520] RAX: 0000000000000000 RBX: ffffc900011ef3a0 RCX: 0000000000000000 [ 66.777032][ T6520] RDX: ffff888016745580 RSI: ffffffff81a56291 RDI: 0000000000000003 [ 66.785214][ T6520] RBP: 0000000000400dc0 R08: 000000007fffffff R09: ffff8880b9d32a0b [ 66.785251][ T6520] R10: ffffffff81a5624e R11: 000000000000001f R12: 0000000200000018 [ 66.785268][ T6520] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801c423600 [ 66.785284][ T6520] FS: 0000555555dc2300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 66.785308][ T6520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.785325][ T6520] CR2: 00007f0ce91e0000 CR3: 000000001d833000 CR4: 00000000003506f0 [ 66.785340][ T6520] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.840993][ T6520] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.849063][ T6520] Call Trace: [ 66.852503][ T6520] hash_ip_create+0x4bb/0x13d0 [ 66.857314][ T6520] ? __nla_parse+0x3d/0x50 [ 66.861819][ T6520] ? hash_ip6_list+0x1030/0x1030 [ 66.866782][ T6520] ip_set_create+0x782/0x15a0 [ 66.871540][ T6520] ? ip_set_sockfn_get+0xe60/0xe60 [ 66.876683][ T6520] nfnetlink_rcv_msg+0xbc9/0x13f0 [ 66.881768][ T6520] ? nfnetlink_net_init+0x380/0x380 [ 66.886979][ T6520] ? mark_lock+0xef/0x17b0 [ 66.891509][ T6520] ? __kernel_text_address+0x9/0x30 [ 66.896777][ T6520] ? __lock_acquire+0xbc2/0x54a0 [ 66.901769][ T6520] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.907757][ T6520] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.913863][ T6520] netlink_rcv_skb+0x153/0x420 [ 66.918634][ T6520] ? nfnetlink_net_init+0x380/0x380 [ 66.923908][ T6520] ? netlink_ack+0xa60/0xa60 [ 66.928521][ T6520] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.934863][ T6520] ? ns_capable+0xd9/0x100 [ 66.939298][ T6520] nfnetlink_rcv+0x1ac/0x420 [ 66.943979][ T6520] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 66.949449][ T6520] ? netlink_deliver_tap+0x1b1/0xc30 [ 66.954883][ T6520] ? _copy_from_iter+0x12b/0x1320 [ 66.959922][ T6520] netlink_unicast+0x533/0x7d0 [ 66.964802][ T6520] ? netlink_attachskb+0x890/0x890 [ 66.969927][ T6520] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 66.976234][ T6520] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 66.982617][ T6520] ? __phys_addr_symbol+0x2c/0x70 [ 66.987760][ T6520] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 66.993541][ T6520] ? __check_object_size+0x16e/0x3f0 [ 66.998840][ T6520] netlink_sendmsg+0x86d/0xdb0 [ 67.003768][ T6520] ? netlink_unicast+0x7d0/0x7d0 [ 67.008724][ T6520] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.015027][ T6520] ? netlink_unicast+0x7d0/0x7d0 [ 67.019972][ T6520] sock_sendmsg+0xcf/0x120 [ 67.024441][ T6520] ____sys_sendmsg+0x6e8/0x810 [ 67.029215][ T6520] ? kernel_sendmsg+0x50/0x50 [ 67.033932][ T6520] ? do_recvmmsg+0x6d0/0x6d0 [ 67.038532][ T6520] ? do_huge_pmd_anonymous_page+0x1297/0x2810 [ 67.044842][ T6520] ? lock_downgrade+0x6e0/0x6e0 [ 67.049732][ T6520] ___sys_sendmsg+0xf3/0x170 [ 67.054424][ T6520] ? sendmsg_copy_msghdr+0x160/0x160 [ 67.059819][ T6520] ? __lock_acquire+0x162f/0x54a0 [ 67.064922][ T6520] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.070909][ T6520] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.076938][ T6520] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.083525][ T6520] ? __fget_light+0x215/0x280 [ 67.088222][ T6520] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 67.094999][ T6520] __sys_sendmsg+0xe5/0x1b0 [ 67.099528][ T6520] ? __sys_sendmsg_sock+0x30/0x30 [ 67.104670][ T6520] ? syscall_enter_from_user_mode+0x21/0x70 [ 67.110589][ T6520] do_syscall_64+0x35/0xb0 [ 67.115140][ T6520] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.121048][ T6520] RIP: 0033:0x7f50e118b1b9 [ 67.125528][ T6520] 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 [ 67.145198][ T6520] RSP: 002b:00007fff7cc2cba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.153665][ T6520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50e118b1b9 [ 67.161722][ T6520] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 67.169705][ T6520] RBP: 00007f50e114f1a0 R08: 0000000000000005 R09: 0000000000000000 [ 67.177721][ T6520] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f50e114f230 [ 67.185760][ T6520] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.193817][ T6520] Kernel panic - not syncing: panic_on_warn set ... [ 67.200398][ T6520] CPU: 0 PID: 6520 Comm: syz-executor147 Not tainted 5.15.0-rc3-syzkaller #0 [ 67.209232][ T6520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.219270][ T6520] Call Trace: [ 67.222533][ T6520] dump_stack_lvl+0xcd/0x134 [ 67.227114][ T6520] panic+0x2b0/0x6dd [ 67.230996][ T6520] ? __warn_printk+0xf3/0xf3 [ 67.235576][ T6520] ? __warn.cold+0x1a/0x44 [ 67.239976][ T6520] ? kvmalloc_node+0x111/0x120 [ 67.244730][ T6520] __warn.cold+0x35/0x44 [ 67.248956][ T6520] ? kvmalloc_node+0x111/0x120 [ 67.253708][ T6520] report_bug+0x1bd/0x210 [ 67.258027][ T6520] handle_bug+0x3c/0x60 [ 67.262173][ T6520] exc_invalid_op+0x14/0x40 [ 67.266674][ T6520] asm_exc_invalid_op+0x12/0x20 [ 67.271510][ T6520] RIP: 0010:kvmalloc_node+0x111/0x120 [ 67.276867][ T6520] Code: 01 00 00 00 4c 89 e7 e8 ad 18 0d 00 49 89 c5 e9 69 ff ff ff e8 f0 98 d0 ff 41 89 ed 41 81 cd 00 20 01 00 eb 95 e8 df 98 d0 ff <0f> 0b e9 4c ff ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 c6 [ 67.296656][ T6520] RSP: 0018:ffffc900011ef280 EFLAGS: 00010293 [ 67.302717][ T6520] RAX: 0000000000000000 RBX: ffffc900011ef3a0 RCX: 0000000000000000 [ 67.310679][ T6520] RDX: ffff888016745580 RSI: ffffffff81a56291 RDI: 0000000000000003 [ 67.318641][ T6520] RBP: 0000000000400dc0 R08: 000000007fffffff R09: ffff8880b9d32a0b [ 67.326603][ T6520] R10: ffffffff81a5624e R11: 000000000000001f R12: 0000000200000018 [ 67.334568][ T6520] R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801c423600 [ 67.342537][ T6520] ? kvmalloc_node+0xce/0x120 [ 67.347219][ T6520] ? kvmalloc_node+0x111/0x120 [ 67.351993][ T6520] hash_ip_create+0x4bb/0x13d0 [ 67.356762][ T6520] ? __nla_parse+0x3d/0x50 [ 67.361184][ T6520] ? hash_ip6_list+0x1030/0x1030 [ 67.366123][ T6520] ip_set_create+0x782/0x15a0 [ 67.370803][ T6520] ? ip_set_sockfn_get+0xe60/0xe60 [ 67.375942][ T6520] nfnetlink_rcv_msg+0xbc9/0x13f0 [ 67.380982][ T6520] ? nfnetlink_net_init+0x380/0x380 [ 67.386181][ T6520] ? mark_lock+0xef/0x17b0 [ 67.390601][ T6520] ? __kernel_text_address+0x9/0x30 [ 67.395815][ T6520] ? __lock_acquire+0xbc2/0x54a0 [ 67.400757][ T6520] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.406734][ T6520] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.412714][ T6520] netlink_rcv_skb+0x153/0x420 [ 67.417477][ T6520] ? nfnetlink_net_init+0x380/0x380 [ 67.422675][ T6520] ? netlink_ack+0xa60/0xa60 [ 67.427270][ T6520] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.433508][ T6520] ? ns_capable+0xd9/0x100 [ 67.437924][ T6520] nfnetlink_rcv+0x1ac/0x420 [ 67.442511][ T6520] ? nfnetlink_rcv_batch+0x25f0/0x25f0 [ 67.447965][ T6520] ? netlink_deliver_tap+0x1b1/0xc30 [ 67.453244][ T6520] ? _copy_from_iter+0x12b/0x1320 [ 67.458272][ T6520] netlink_unicast+0x533/0x7d0 [ 67.463037][ T6520] ? netlink_attachskb+0x890/0x890 [ 67.468140][ T6520] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 67.474401][ T6520] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 67.480636][ T6520] ? __phys_addr_symbol+0x2c/0x70 [ 67.485670][ T6520] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 67.491391][ T6520] ? __check_object_size+0x16e/0x3f0 [ 67.496683][ T6520] netlink_sendmsg+0x86d/0xdb0 [ 67.501449][ T6520] ? netlink_unicast+0x7d0/0x7d0 [ 67.506390][ T6520] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.512630][ T6520] ? netlink_unicast+0x7d0/0x7d0 [ 67.517567][ T6520] sock_sendmsg+0xcf/0x120 [ 67.521994][ T6520] ____sys_sendmsg+0x6e8/0x810 [ 67.526783][ T6520] ? kernel_sendmsg+0x50/0x50 [ 67.531454][ T6520] ? do_recvmmsg+0x6d0/0x6d0 [ 67.536047][ T6520] ? do_huge_pmd_anonymous_page+0x1297/0x2810 [ 67.542114][ T6520] ? lock_downgrade+0x6e0/0x6e0 [ 67.546969][ T6520] ___sys_sendmsg+0xf3/0x170 [ 67.551559][ T6520] ? sendmsg_copy_msghdr+0x160/0x160 [ 67.556845][ T6520] ? __lock_acquire+0x162f/0x54a0 [ 67.561897][ T6520] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.567880][ T6520] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.573864][ T6520] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.580102][ T6520] ? __fget_light+0x215/0x280 [ 67.584772][ T6520] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 67.591011][ T6520] __sys_sendmsg+0xe5/0x1b0 [ 67.595511][ T6520] ? __sys_sendmsg_sock+0x30/0x30 [ 67.600545][ T6520] ? syscall_enter_from_user_mode+0x21/0x70 [ 67.606439][ T6520] do_syscall_64+0x35/0xb0 [ 67.610855][ T6520] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.616747][ T6520] RIP: 0033:0x7f50e118b1b9 [ 67.621155][ T6520] 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 [ 67.640942][ T6520] RSP: 002b:00007fff7cc2cba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.649355][ T6520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50e118b1b9 [ 67.657321][ T6520] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 67.665484][ T6520] RBP: 00007f50e114f1a0 R08: 0000000000000005 R09: 0000000000000000 [ 67.673453][ T6520] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f50e114f230 [ 67.681421][ T6520] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.689589][ T6520] Kernel Offset: disabled [ 67.693978][ T6520] Rebooting in 86400 seconds..