[ 89.144162][ T27] audit: type=1800 audit(1582876465.502:36): pid=11053 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 89.970452][ T27] audit: type=1400 audit(1582876466.452:37): avc: denied { watch } for pid=11144 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.158' (ECDSA) to the list of known hosts. syzkaller login: [ 98.829804][ T27] kauditd_printk_skb: 4 callbacks suppressed [ 98.829819][ T27] audit: type=1400 audit(1582876475.312:42): avc: denied { map } for pid=11242 comm="syz-executor975" path="/root/syz-executor975408242" 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 [ 98.852012][T11243] IPVS: ftp: loaded support on port[0] = 21 executing program [ 98.890923][ T27] audit: type=1400 audit(1582876475.372:43): avc: denied { create } for pid=11243 comm="syz-executor975" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 98.915534][T11243] BUG: unable to handle page fault for address: ffffed1018650407 [ 98.916731][ T27] audit: type=1400 audit(1582876475.372:44): avc: denied { write } for pid=11243 comm="syz-executor975" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 98.924280][T11243] #PF: supervisor read access in kernel mode [ 98.924287][T11243] #PF: error_code(0x0000) - not-present page [ 98.924292][T11243] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 98.924311][T11243] Oops: 0000 [#1] PREEMPT SMP KASAN [ 98.924323][T11243] CPU: 1 PID: 11243 Comm: syz-executor975 Not tainted 5.6.0-rc3-syzkaller #0 [ 98.924336][T11243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.949486][ T27] audit: type=1400 audit(1582876475.372:45): avc: denied { read } for pid=11243 comm="syz-executor975" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 98.954955][T11243] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 98.954969][T11243] Code: 45 85 e4 0f 84 aa 03 00 00 e8 6e 31 05 fb 48 8b 85 c8 fe ff ff 4e 8d 2c a8 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c [ 98.954981][T11243] RSP: 0018:ffffc90001fa7248 EFLAGS: 00010a03 [ 99.049139][T11243] RAX: dffffc0000000000 RBX: ffff8880a328203c RCX: ffffffff867055d4 [ 99.057102][T11243] RDX: 1ffff11018650407 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 99.065079][T11243] RBP: ffffc90001fa73b0 R08: ffff8880a8e6c400 R09: ffffc90001fa7318 [ 99.073033][T11243] R10: fffff520003f4e68 R11: ffffc90001fa7347 R12: 0000000000000010 [ 99.081001][T11243] R13: ffff8880c328203c R14: ffff8880a328204c R15: ffffc90001fa7388 [ 99.089214][T11243] FS: 0000000001335940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 99.098134][T11243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.104695][T11243] CR2: ffffed1018650407 CR3: 00000000a3bed000 CR4: 00000000001406e0 [ 99.112648][T11243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.120599][T11243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.128554][T11243] Call Trace: [ 99.131833][T11243] ? __mutex_lock+0x458/0x13c0 [ 99.136682][T11243] ? lock_downgrade+0x920/0x920 [ 99.141517][T11243] ? ethnl_bitmap32_clear+0x390/0x390 [ 99.146873][T11243] ? mutex_trylock+0x2d0/0x2d0 [ 99.151618][T11243] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 99.157851][T11243] ? ethnl_default_notify+0x6b0/0x6b0 [ 99.163206][T11243] ethnl_update_bitset+0x4d/0x67 [ 99.168133][T11243] ethnl_set_linkmodes+0x461/0xc30 [ 99.173231][T11243] ? selinux_sb_eat_lsm_opts+0x700/0x700 [ 99.178949][T11243] ? selinux_sb_eat_lsm_opts+0x700/0x700 [ 99.184572][T11243] ? linkmodes_prepare_data+0x2a0/0x2a0 [ 99.190444][T11243] ? kernel_text_address+0xe3/0x110 [ 99.195632][T11243] ? __kernel_text_address+0xd/0x40 [ 99.200923][T11243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.207166][T11243] ? security_capable+0x95/0xc0 [ 99.212047][T11243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.218270][T11243] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x300 [ 99.224902][T11243] genl_rcv_msg+0x67d/0xea0 [ 99.229405][T11243] ? genl_rcv_msg+0x67d/0xea0 [ 99.234169][T11243] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 99.240482][T11243] ? __kasan_check_read+0x11/0x20 [ 99.245494][T11243] ? __lock_acquire+0x8a0/0x4a00 [ 99.250434][T11243] ? find_held_lock+0x35/0x130 [ 99.255190][T11243] netlink_rcv_skb+0x177/0x450 [ 99.259946][T11243] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 99.266263][T11243] ? netlink_ack+0xb50/0xb50 [ 99.271526][T11243] ? __kasan_check_write+0x14/0x20 [ 99.276816][T11243] ? netlink_deliver_tap+0x248/0xbf0 [ 99.282962][T11243] genl_rcv+0x29/0x40 [ 99.286934][T11243] netlink_unicast+0x59e/0x7e0 [ 99.291853][T11243] ? netlink_attachskb+0x870/0x870 [ 99.296958][T11243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.303294][T11243] netlink_sendmsg+0x91c/0xea0 [ 99.308053][T11243] ? netlink_unicast+0x7e0/0x7e0 [ 99.313056][T11243] ? tomoyo_socket_sendmsg+0x26/0x30 [ 99.318353][T11243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.324757][T11243] ? security_socket_sendmsg+0x8d/0xc0 [ 99.330308][T11243] ? netlink_unicast+0x7e0/0x7e0 [ 99.335320][T11243] sock_sendmsg+0xd7/0x130 [ 99.340581][T11243] ____sys_sendmsg+0x753/0x880 [ 99.345324][T11243] ? kernel_sendmsg+0x50/0x50 [ 99.349988][T11243] ? debug_object_active_state+0x28a/0x350 [ 99.356275][T11243] ? find_held_lock+0x35/0x130 [ 99.361131][T11243] ___sys_sendmsg+0x100/0x170 [ 99.365796][T11243] ? sendmsg_copy_msghdr+0x70/0x70 [ 99.370898][T11243] ? lockdep_hardirqs_on+0x421/0x5e0 [ 99.376190][T11243] ? __kasan_check_read+0x11/0x20 [ 99.381204][T11243] ? mark_lock+0xc2/0x1220 [ 99.385610][T11243] ? __kasan_check_read+0x11/0x20 [ 99.390708][T11243] ? __lock_acquire+0x16f2/0x4a00 [ 99.395725][T11243] ? debug_object_deactivate+0x320/0x320 [ 99.401759][T11243] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 99.407924][T11243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.415020][T11243] ? __fget_light+0x1ad/0x270 [ 99.419696][T11243] ? __fdget+0x1b/0x20 [ 99.423752][T11243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 99.430320][T11243] __sys_sendmsg+0x105/0x1d0 [ 99.435435][T11243] ? __sys_sendmsg_sock+0xc0/0xc0 [ 99.440462][T11243] ? lockdep_hardirqs_on+0x421/0x5e0 [ 99.446023][T11243] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 99.451474][T11243] ? do_syscall_64+0x26/0x790 [ 99.456584][T11243] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.462646][T11243] ? do_syscall_64+0x26/0x790 [ 99.467307][T11243] __x64_sys_sendmsg+0x78/0xb0 [ 99.472300][T11243] do_syscall_64+0xfa/0x790 [ 99.476795][T11243] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.482893][T11243] RIP: 0033:0x446199 [ 99.486764][T11243] Code: 43 02 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 90 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 2b d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.506357][T11243] RSP: 002b:00007fff01890538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.514765][T11243] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000446199 [ 99.523677][T11243] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 99.531635][T11243] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000003 [ 99.546392][T11243] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff01890570 [ 99.554348][T11243] R13: 0000000000000003 R14: 0000000000000004 R15: 00007fff01890660 [ 99.562506][T11243] Modules linked in: [ 99.566507][T11243] CR2: ffffed1018650407 [ 99.572073][T11243] ---[ end trace 0bb1d0072cab5260 ]--- [ 99.577529][T11243] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 99.584624][T11243] Code: 45 85 e4 0f 84 aa 03 00 00 e8 6e 31 05 fb 48 8b 85 c8 fe ff ff 4e 8d 2c a8 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c [ 99.604457][T11243] RSP: 0018:ffffc90001fa7248 EFLAGS: 00010a03 [ 99.610509][T11243] RAX: dffffc0000000000 RBX: ffff8880a328203c RCX: ffffffff867055d4 [ 99.618467][T11243] RDX: 1ffff11018650407 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 99.627302][T11243] RBP: ffffc90001fa73b0 R08: ffff8880a8e6c400 R09: ffffc90001fa7318 [ 99.635262][T11243] R10: fffff520003f4e68 R11: ffffc90001fa7347 R12: 0000000000000010 [ 99.643318][T11243] R13: ffff8880c328203c R14: ffff8880a328204c R15: ffffc90001fa7388 [ 99.651296][T11243] FS: 0000000001335940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 99.660227][T11243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.666941][T11243] CR2: ffffed1018650407 CR3: 00000000a3bed000 CR4: 00000000001406e0 [ 99.674991][T11243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.683021][T11243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.691210][T11243] Kernel panic - not syncing: Fatal exception [ 99.698688][T11243] Kernel Offset: disabled [ 99.703593][T11243] Rebooting in 86400 seconds..