[ 86.243913][ T23] audit: type=1800 audit(1583008872.362:26): pid=9514 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 87.131775][ T23] kauditd_printk_skb: 2 callbacks suppressed [ 87.131786][ T23] audit: type=1800 audit(1583008873.282:29): pid=9514 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 87.159698][ T23] audit: type=1800 audit(1583008873.292:30): pid=9514 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.173' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 96.219861][ T9666] IPVS: ftp: loaded support on port[0] = 21 [ 96.259058][ T9667] BUG: unable to handle page fault for address: ffffed1018064c07 [ 96.267344][ T9667] #PF: supervisor read access in kernel mode [ 96.273308][ T9667] #PF: error_code(0x0000) - not-present page [ 96.279292][ T9667] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 96.285797][ T9667] Oops: 0000 [#1] PREEMPT SMP KASAN [ 96.290987][ T9667] CPU: 0 PID: 9667 Comm: syz-executor183 Not tainted 5.6.0-rc2-syzkaller #0 [ 96.299644][ T9667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.309775][ T9667] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 96.316591][ T9667] Code: 45 85 e4 0f 84 aa 03 00 00 e8 8e 71 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 [ 96.336209][ T9667] RSP: 0018:ffffc900066bf248 EFLAGS: 00010a02 [ 96.342274][ T9667] RAX: dffffc0000000000 RBX: ffff8880a0326038 RCX: ffffffff86701624 [ 96.350368][ T9667] RDX: 1ffff11018064c07 RSI: ffffffff86701632 RDI: 0000000000000005 [ 96.358367][ T9667] RBP: ffffc900066bf3b0 R08: ffff8880a3812240 R09: ffffc900066bf318 [ 96.366335][ T9667] R10: fffff52000cd7e68 R11: ffffc900066bf347 R12: 0000000000000010 [ 96.374300][ T9667] R13: ffff8880c0326038 R14: ffff8880a0326048 R15: ffffc900066bf388 [ 96.382448][ T9667] FS: 0000000001e88880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 96.391446][ T9667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.398012][ T9667] CR2: ffffed1018064c07 CR3: 0000000098a68000 CR4: 00000000001406f0 [ 96.405967][ T9667] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.413920][ T9667] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.421874][ T9667] Call Trace: [ 96.425159][ T9667] ? __mutex_lock+0x458/0x13c0 [ 96.429918][ T9667] ? lock_downgrade+0x920/0x920 [ 96.434800][ T9667] ? ethnl_bitmap32_clear+0x390/0x390 [ 96.440166][ T9667] ? mutex_trylock+0x2d0/0x2d0 [ 96.444953][ T9667] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 96.451298][ T9667] ? ethnl_default_notify+0x6b0/0x6b0 [ 96.456755][ T9667] ethnl_update_bitset+0x4d/0x67 [ 96.461711][ T9667] ethnl_set_linkmodes+0x461/0xc30 [ 96.467108][ T9667] ? __kasan_check_read+0x11/0x20 [ 96.472290][ T9667] ? linkmodes_prepare_data+0x2a0/0x2a0 [ 96.478246][ T9667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.484576][ T9667] ? kernel_text_address+0xe9/0x110 [ 96.489763][ T9667] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 96.495346][ T9667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.501626][ T9667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.507956][ T9667] ? security_capable+0x95/0xc0 [ 96.512808][ T9667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.519053][ T9667] ? genl_family_rcv_msg_attrs_parse+0x1cb/0x320 [ 96.525369][ T9667] genl_rcv_msg+0x67d/0xea0 [ 96.529972][ T9667] ? genl_rcv_msg+0x67d/0xea0 [ 96.534659][ T9667] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 96.541352][ T9667] ? __kasan_check_read+0x11/0x20 [ 96.546667][ T9667] ? __lock_acquire+0x8a0/0x4a00 [ 96.551604][ T9667] ? find_held_lock+0x35/0x130 [ 96.556366][ T9667] netlink_rcv_skb+0x177/0x450 [ 96.561158][ T9667] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 96.567470][ T9667] ? netlink_ack+0xb50/0xb50 [ 96.572048][ T9667] ? __kasan_check_write+0x14/0x20 [ 96.577200][ T9667] ? netlink_deliver_tap+0x248/0xbf0 [ 96.582610][ T9667] genl_rcv+0x29/0x40 [ 96.586673][ T9667] netlink_unicast+0x59e/0x7e0 [ 96.591444][ T9667] ? netlink_attachskb+0x870/0x870 [ 96.596582][ T9667] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 96.602345][ T9667] ? __check_object_size+0x3d/0x437 [ 96.607555][ T9667] netlink_sendmsg+0x91c/0xea0 [ 96.612306][ T9667] ? netlink_unicast+0x7e0/0x7e0 [ 96.617369][ T9667] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 96.622939][ T9667] ? apparmor_socket_sendmsg+0x2a/0x30 [ 96.628610][ T9667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.634853][ T9667] ? security_socket_sendmsg+0x8d/0xc0 [ 96.640499][ T9667] ? netlink_unicast+0x7e0/0x7e0 [ 96.645455][ T9667] sock_sendmsg+0xd7/0x130 [ 96.649916][ T9667] ____sys_sendmsg+0x753/0x880 [ 96.654667][ T9667] ? kernel_sendmsg+0x50/0x50 [ 96.659384][ T9667] ? debug_object_active_state+0x28a/0x350 [ 96.665193][ T9667] ? find_held_lock+0x35/0x130 [ 96.669950][ T9667] ___sys_sendmsg+0x100/0x170 [ 96.674649][ T9667] ? sendmsg_copy_msghdr+0x70/0x70 [ 96.679769][ T9667] ? lockdep_hardirqs_on+0x421/0x5e0 [ 96.685054][ T9667] ? __kasan_check_read+0x11/0x20 [ 96.690085][ T9667] ? mark_lock+0xc2/0x1220 [ 96.694571][ T9667] ? __kasan_check_read+0x11/0x20 [ 96.699602][ T9667] ? __lock_acquire+0x16f2/0x4a00 [ 96.704648][ T9667] ? debug_object_deactivate+0x320/0x320 [ 96.710277][ T9667] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 96.716433][ T9667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.722676][ T9667] ? __fget_light+0x1ad/0x270 [ 96.727922][ T9667] ? __fdget+0x1b/0x20 [ 96.731992][ T9667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.738241][ T9667] __sys_sendmsg+0x105/0x1d0 [ 96.742814][ T9667] ? __sys_sendmsg_sock+0xc0/0xc0 [ 96.747837][ T9667] ? lockdep_hardirqs_on+0x421/0x5e0 [ 96.753108][ T9667] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.758586][ T9667] ? do_syscall_64+0x26/0x790 [ 96.763295][ T9667] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.769378][ T9667] ? do_syscall_64+0x26/0x790 [ 96.774045][ T9667] __x64_sys_sendmsg+0x78/0xb0 [ 96.778793][ T9667] do_syscall_64+0xfa/0x790 [ 96.783871][ T9667] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.789978][ T9667] RIP: 0033:0x445b39 [ 96.793870][ T9667] 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 [ 96.815040][ T9667] RSP: 002b:00007ffdc7929a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.823797][ T9667] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445b39 [ 96.831808][ T9667] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 96.840143][ T9667] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000bb1414ac [ 96.849057][ T9667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.857283][ T9667] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 96.865317][ T9667] Modules linked in: [ 96.869215][ T9667] CR2: ffffed1018064c07 [ 96.873372][ T9667] ---[ end trace 4b7e6166fb120d0f ]--- [ 96.878950][ T9667] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 96.885947][ T9667] Code: 45 85 e4 0f 84 aa 03 00 00 e8 8e 71 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 [ 96.905587][ T9667] RSP: 0018:ffffc900066bf248 EFLAGS: 00010a02 [ 96.911638][ T9667] RAX: dffffc0000000000 RBX: ffff8880a0326038 RCX: ffffffff86701624 [ 96.920127][ T9667] RDX: 1ffff11018064c07 RSI: ffffffff86701632 RDI: 0000000000000005 [ 96.928557][ T9667] RBP: ffffc900066bf3b0 R08: ffff8880a3812240 R09: ffffc900066bf318 [ 96.936659][ T9667] R10: fffff52000cd7e68 R11: ffffc900066bf347 R12: 0000000000000010 [ 96.945189][ T9667] R13: ffff8880c0326038 R14: ffff8880a0326048 R15: ffffc900066bf388 [ 96.953454][ T9667] FS: 0000000001e88880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 96.963454][ T9667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.970247][ T9667] CR2: ffffed1018064c07 CR3: 0000000098a68000 CR4: 00000000001406f0 [ 96.978255][ T9667] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.986348][ T9667] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.994403][ T9667] Kernel panic - not syncing: Fatal exception [ 97.001905][ T9667] Kernel Offset: disabled [ 97.006984][ T9667] Rebooting in 86400 seconds..