Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 17.137703][ T22] audit: type=1400 audit(1582420319.270:13): avc: denied { map } for pid=1880 comm="syz-executor119" path="/root/syz-executor119043881" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 17.139664][ T1880] BUG: unable to handle page fault for address: ffffebde01d2b408 [ 17.144957][ T1880] #PF: supervisor read access in kernel mode [ 17.145859][ T1880] #PF: error_code(0x0000) - not-present page [ 17.146702][ T1880] PGD 0 P4D 0 [ 17.147188][ T1880] Oops: 0000 [#1] PREEMPT SMP KASAN [ 17.147995][ T1880] CPU: 0 PID: 1880 Comm: syz-executor119 Not tainted 5.4.21-syzkaller-00756-ge12432318607 #0 [ 17.149763][ T1880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 17.151378][ T1880] RIP: 0010:kfree+0xd6/0x6d0 [ 17.152071][ T1880] Code: f0 02 eb 0a 48 bb 00 00 00 80 7f 77 00 00 4c 01 e3 48 81 eb 00 00 00 80 48 c1 eb 06 48 83 e3 c0 48 b9 00 00 00 00 00 ea ff ff <48> 8b 44 0b 08 a8 01 0f 85 a9 01 00 00 48 01 cb 48 8b 43 08 48 89 [ 17.154966][ T1880] RSP: 0018:ffff8881c5507278 EFLAGS: 00010206 [ 17.155877][ T1880] RAX: ffffffff7fffffff RBX: 000001de01d2b400 RCX: ffffea0000000000 [ 17.156969][ T1880] RDX: 0000000000000000 RSI: ffffffff84648db0 RDI: 0000000074ad0ef0 [ 17.159835][ T1880] RBP: ffff8881c55072f0 R08: 0000000000000005 R09: ffffffff8140a965 [ 17.167792][ T1880] R10: ffff8881d4118000 R11: 000000000000000a R12: 0000000074ad0ef0 [ 17.175757][ T1880] R13: ffff8881d04ba400 R14: ffffffff8140a9fc R15: 0000000000000001 [ 17.183704][ T1880] FS: 0000000002307880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 17.192604][ T1880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.199167][ T1880] CR2: ffffebde01d2b408 CR3: 00000001d0429006 CR4: 00000000001606f0 [ 17.207215][ T1880] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 17.215159][ T1880] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 17.223200][ T1880] Call Trace: [ 17.226479][ T1880] ? audit_data_to_entry+0x225c/0x26c0 [ 17.231928][ T1880] ? audit_unpack_string+0x92/0x1b0 [ 17.237120][ T1880] audit_data_to_entry+0x225c/0x26c0 [ 17.242387][ T1880] ? audit_rule_change+0x1110/0x1110 [ 17.247656][ T1880] ? unwind_next_frame+0x415/0x870 [ 17.252750][ T1880] audit_rule_change+0xbe/0x1110 [ 17.257688][ T1880] ? selinux_capable+0x39/0x50 [ 17.262432][ T1880] ? security_capable+0xb2/0xd0 [ 17.267278][ T1880] ? audit_match_signal+0xc70/0xc70 [ 17.272471][ T1880] ? ns_capable+0x8c/0xe0 [ 17.276813][ T1880] audit_receive+0xe73/0x3750 [ 17.281744][ T1880] ? jhash+0x750/0x750 [ 17.285805][ T1880] ? audit_net_exit+0x90/0x90 [ 17.290456][ T1880] ? __alloc_skb+0x109/0x540 [ 17.295029][ T1880] ? jhash+0x750/0x750 [ 17.299095][ T1880] ? avc_has_perm+0x15f/0x260 [ 17.303887][ T1880] ? __rcu_read_lock+0x50/0x50 [ 17.308663][ T1880] ? __rcu_read_lock+0x50/0x50 [ 17.313430][ T1880] ? __netlink_lookup+0x585/0x600 [ 17.318449][ T1880] ? netlink_deliver_tap+0xa4/0x7e0 [ 17.323654][ T1880] ? netlink_autobind+0x1c0/0x1c0 [ 17.328661][ T1880] ? __rcu_read_lock+0x50/0x50 [ 17.333414][ T1880] ? selinux_vm_enough_memory+0x160/0x160 [ 17.339128][ T1880] netlink_unicast+0x87c/0xa20 [ 17.343885][ T1880] ? netlink_detachskb+0x60/0x60 [ 17.348810][ T1880] ? security_netlink_send+0xab/0xc0 [ 17.354175][ T1880] netlink_sendmsg+0x9a7/0xd40 [ 17.358927][ T1880] ? netlink_getsockopt+0x900/0x900 [ 17.364141][ T1880] ? security_socket_sendmsg+0xad/0xc0 [ 17.369594][ T1880] ? netlink_getsockopt+0x900/0x900 [ 17.374793][ T1880] ____sys_sendmsg+0x56f/0x860 [ 17.379549][ T1880] ? __sys_sendmsg_sock+0x2a0/0x2a0 [ 17.384732][ T1880] ? __kasan_check_read+0x11/0x20 [ 17.389743][ T1880] ? __kasan_check_read+0x11/0x20 [ 17.394769][ T1880] ? __fdget+0x156/0x200 [ 17.399012][ T1880] __sys_sendmsg+0x26a/0x350 [ 17.403588][ T1880] ? ____sys_sendmsg+0x860/0x860 [ 17.408520][ T1880] ? finish_fault+0x230/0x230 [ 17.413301][ T1880] ? __up_read+0x6f/0x1b0 [ 17.417606][ T1880] ? __down_read+0x240/0x240 [ 17.422173][ T1880] __x64_sys_sendmsg+0x7f/0x90 [ 17.426928][ T1880] do_syscall_64+0xc0/0x100 [ 17.431426][ T1880] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 17.437297][ T1880] RIP: 0033:0x440cf9 [ 17.441216][ T1880] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 17.460980][ T1880] RSP: 002b:00007fff4d6f3248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.469831][ T1880] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440cf9 [ 17.477792][ T1880] RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000003 [ 17.485898][ T1880] RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 [ 17.494043][ T1880] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402580 [ 17.502018][ T1880] R13: 0000000000402610 R14: 0000000000000000 R15: 0000000000000000 [ 17.509985][ T1880] Modules linked in: [ 17.514318][ T1880] CR2: ffffebde01d2b408 [ 17.518460][ T1880] ---[ end trace c3b96dff7aeb2175 ]--- [ 17.524106][ T1880] RIP: 0010:kfree+0xd6/0x6d0 [ 17.528727][ T1880] Code: f0 02 eb 0a 48 bb 00 00 00 80 7f 77 00 00 4c 01 e3 48 81 eb 00 00 00 80 48 c1 eb 06 48 83 e3 c0 48 b9 00 00 00 00 00 ea ff ff <48> 8b 44 0b 08 a8 01 0f 85 a9 01 00 00 48 01 cb 48 8b 43 08 48 89 [ 17.548544][ T1880] RSP: 0018:ffff8881c5507278 EFLAGS: 00010206 [ 17.554714][ T1880] RAX: ffffffff7fffffff RBX: 000001de01d2b400 RCX: ffffea0000000000 [ 17.562734][ T1880] RDX: 0000000000000000 RSI: ffffffff84648db0 RDI: 0000000074ad0ef0 [ 17.570715][ T1880] RBP: ffff8881c55072f0 R08: 0000000000000005 R09: ffffffff8140a965 [ 17.578674][ T1880] R10: ffff8881d4118000 R11: 000000000000000a R12: 0000000074ad0ef0 [ 17.586680][ T1880] R13: ffff8881d04ba400 R14: ffffffff8140a9fc R15: 0000000000000001 [ 17.594683][ T1880] FS: 0000000002307880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 17.603684][ T1880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.610446][ T1880] CR2: ffffebde01d2b408 CR3: 00000001d0429006 CR4: 00000000001606f0 [ 17.619535][ T1880] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 17.627615][ T1880] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 17.635798][ T1880] Kernel panic - not syncing: Fatal exception [ 17.642768][ T1880] Kernel Offset: disabled [ 17.647148][ T1880] Rebooting in 86400 seconds..