[ 91.558795][ T26] audit: type=1800 audit(1582879879.867:36): pid=10530 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 92.305645][ T26] audit: type=1400 audit(1582879880.737:37): avc: denied { watch } for pid=10618 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 103.414279][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 103.414294][ T26] audit: type=1400 audit(1582879891.847:42): avc: denied { map } for pid=10718 comm="syz-executor228" path="/root/syz-executor228745541" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 103.431388][T10719] IPVS: ftp: loaded support on port[0] = 21 [ 103.485634][ T26] audit: type=1400 audit(1582879891.917:43): avc: denied { create } for pid=10720 comm="syz-executor228" 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 [ 103.492795][T10720] BUG: unable to handle page fault for address: ffffed10180e9d07 [ 103.510781][ T26] audit: type=1400 audit(1582879891.917:44): avc: denied { write } for pid=10720 comm="syz-executor228" 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 [ 103.518116][T10720] #PF: supervisor read access in kernel mode [ 103.543415][ T26] audit: type=1400 audit(1582879891.917:45): avc: denied { read } for pid=10720 comm="syz-executor228" 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 [ 103.548715][T10720] #PF: error_code(0x0000) - not-present page [ 103.548721][T10720] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 103.548744][T10720] Oops: 0000 [#1] PREEMPT SMP KASAN [ 103.548758][T10720] CPU: 1 PID: 10720 Comm: syz-executor228 Not tainted 5.6.0-rc3-syzkaller #0 [ 103.548772][T10720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.609693][T10720] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 103.616442][T10720] 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 [ 103.636041][T10720] RSP: 0018:ffffc900020af248 EFLAGS: 00010a03 [ 103.642086][T10720] RAX: dffffc0000000000 RBX: ffff8880a074e83c RCX: ffffffff867055d4 [ 103.650032][T10720] RDX: 1ffff110180e9d07 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 103.658014][T10720] RBP: ffffc900020af3b0 R08: ffff8880a193a340 R09: ffffc900020af318 [ 103.665975][T10720] R10: fffff52000415e68 R11: ffffc900020af347 R12: 0000000000000010 [ 103.673929][T10720] R13: ffff8880c074e83c R14: ffff8880a074e84c R15: ffffc900020af388 [ 103.681887][T10720] FS: 00000000007e7880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 103.690806][T10720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.697405][T10720] CR2: ffffed10180e9d07 CR3: 00000000887d6000 CR4: 00000000001406e0 [ 103.705392][T10720] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 103.713369][T10720] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 103.721327][T10720] Call Trace: [ 103.724600][T10720] ? __mutex_lock+0xf73/0x13c0 [ 103.729346][T10720] ? lock_downgrade+0x920/0x920 [ 103.734217][T10720] ? ethnl_bitmap32_clear+0x390/0x390 [ 103.739614][T10720] ? mutex_trylock+0x2d0/0x2d0 [ 103.744369][T10720] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 103.750633][T10720] ? ethnl_default_notify+0x6b0/0x6b0 [ 103.756020][T10720] ethnl_update_bitset+0x4d/0x67 [ 103.760957][T10720] ethnl_set_linkmodes+0x461/0xc30 [ 103.766183][T10720] ? selinux_sb_eat_lsm_opts+0x700/0x700 [ 103.771801][T10720] ? selinux_sb_eat_lsm_opts+0x700/0x700 [ 103.777409][T10720] ? linkmodes_prepare_data+0x2a0/0x2a0 [ 103.782938][T10720] ? kernel_text_address+0xe3/0x110 [ 103.788116][T10720] ? __kernel_text_address+0xd/0x40 [ 103.793306][T10720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.799531][T10720] ? security_capable+0x95/0xc0 [ 103.804377][T10720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.810611][T10720] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x300 [ 103.816918][T10720] genl_rcv_msg+0x67d/0xea0 [ 103.821404][T10720] ? genl_rcv_msg+0x67d/0xea0 [ 103.826077][T10720] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 103.832426][T10720] ? __kasan_check_read+0x11/0x20 [ 103.837428][T10720] ? __lock_acquire+0x8a0/0x4a00 [ 103.842359][T10720] ? find_held_lock+0x35/0x130 [ 103.847206][T10720] netlink_rcv_skb+0x177/0x450 [ 103.851958][T10720] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 103.858265][T10720] ? netlink_ack+0xb50/0xb50 [ 103.862839][T10720] ? __kasan_check_write+0x14/0x20 [ 103.867946][T10720] ? netlink_deliver_tap+0x248/0xbf0 [ 103.873218][T10720] genl_rcv+0x29/0x40 [ 103.877212][T10720] netlink_unicast+0x59e/0x7e0 [ 103.881959][T10720] ? netlink_attachskb+0x870/0x870 [ 103.887056][T10720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.893355][T10720] netlink_sendmsg+0x91c/0xea0 [ 103.898142][T10720] ? netlink_unicast+0x7e0/0x7e0 [ 103.903064][T10720] ? tomoyo_socket_sendmsg+0x26/0x30 [ 103.908373][T10720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.914600][T10720] ? security_socket_sendmsg+0x8d/0xc0 [ 103.920075][T10720] ? netlink_unicast+0x7e0/0x7e0 [ 103.924994][T10720] sock_sendmsg+0xd7/0x130 [ 103.929388][T10720] ____sys_sendmsg+0x753/0x880 [ 103.934136][T10720] ? kernel_sendmsg+0x50/0x50 [ 103.938797][T10720] ? debug_object_active_state+0x28a/0x350 [ 103.944579][T10720] ? find_held_lock+0x35/0x130 [ 103.949338][T10720] ___sys_sendmsg+0x100/0x170 [ 103.953992][T10720] ? sendmsg_copy_msghdr+0x70/0x70 [ 103.959087][T10720] ? lockdep_hardirqs_on+0x421/0x5e0 [ 103.964362][T10720] ? __kasan_check_read+0x11/0x20 [ 103.969362][T10720] ? mark_lock+0xc2/0x1220 [ 103.973758][T10720] ? __kasan_check_read+0x11/0x20 [ 103.978766][T10720] ? __lock_acquire+0x16f2/0x4a00 [ 103.983770][T10720] ? debug_object_deactivate+0x320/0x320 [ 103.989384][T10720] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 103.995528][T10720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 104.001752][T10720] ? __fget_light+0x1ad/0x270 [ 104.006408][T10720] ? __fdget+0x1b/0x20 [ 104.010478][T10720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 104.016697][T10720] __sys_sendmsg+0x105/0x1d0 [ 104.021266][T10720] ? __sys_sendmsg_sock+0xc0/0xc0 [ 104.026270][T10720] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.032244][T10720] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 104.037679][T10720] ? do_syscall_64+0x26/0x790 [ 104.042333][T10720] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.048373][T10720] ? do_syscall_64+0x26/0x790 [ 104.053028][T10720] __x64_sys_sendmsg+0x78/0xb0 [ 104.057768][T10720] do_syscall_64+0xfa/0x790 [ 104.062250][T10720] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.068134][T10720] RIP: 0033:0x445b39 [ 104.072018][T10720] Code: e8 ac cb 02 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 ab cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 104.091614][T10720] RSP: 002b:00007ffd80abd708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.100022][T10720] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445b39 [ 104.107990][T10720] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 104.116472][T10720] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000bb1414ac [ 104.124431][T10720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 104.132441][T10720] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 104.140406][T10720] Modules linked in: [ 104.144285][T10720] CR2: ffffed10180e9d07 [ 104.148425][T10720] ---[ end trace 0b1bea2a20598937 ]--- [ 104.153876][T10720] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 104.160618][T10720] 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 [ 104.180243][T10720] RSP: 0018:ffffc900020af248 EFLAGS: 00010a03 [ 104.186315][T10720] RAX: dffffc0000000000 RBX: ffff8880a074e83c RCX: ffffffff867055d4 [ 104.194272][T10720] RDX: 1ffff110180e9d07 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 104.202224][T10720] RBP: ffffc900020af3b0 R08: ffff8880a193a340 R09: ffffc900020af318 [ 104.210180][T10720] R10: fffff52000415e68 R11: ffffc900020af347 R12: 0000000000000010 [ 104.218140][T10720] R13: ffff8880c074e83c R14: ffff8880a074e84c R15: ffffc900020af388 [ 104.226109][T10720] FS: 00000000007e7880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 104.235019][T10720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.241598][T10720] CR2: ffffed10180e9d07 CR3: 00000000887d6000 CR4: 00000000001406e0 [ 104.249554][T10720] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.257539][T10720] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.265490][T10720] Kernel panic - not syncing: Fatal exception [ 104.272619][T10720] Kernel Offset: disabled [ 104.276948][T10720] Rebooting in 86400 seconds..