[ 76.828249][ T24] audit: type=1800 audit(1583064465.684:26): pid=9583 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. [ 77.698772][ T24] kauditd_printk_skb: 2 callbacks suppressed [ 77.698784][ T24] audit: type=1800 audit(1583064466.584:29): pid=9583 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 [ 77.726309][ T24] audit: type=1800 audit(1583064466.584:30): pid=9583 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 '10.128.0.191' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 89.215607][ T9737] IPVS: ftp: loaded support on port[0] = 21 [ 89.262947][ T9739] BUG: unable to handle page fault for address: ffffed1019081787 [ 89.270806][ T9739] #PF: supervisor read access in kernel mode [ 89.276790][ T9739] #PF: error_code(0x0000) - not-present page [ 89.282778][ T9739] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 89.289443][ T9739] Oops: 0000 [#1] PREEMPT SMP KASAN [ 89.294631][ T9739] CPU: 1 PID: 9739 Comm: syz-executor600 Not tainted 5.6.0-rc2-syzkaller #0 [ 89.303310][ T9739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.313380][ T9739] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 89.320135][ T9739] 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 [ 89.339880][ T9739] RSP: 0018:ffffc9000669f248 EFLAGS: 00010a06 [ 89.346060][ T9739] RAX: dffffc0000000000 RBX: ffff8880a840bc38 RCX: ffffffff86701624 [ 89.354185][ T9739] RDX: 1ffff11019081787 RSI: ffffffff86701632 RDI: 0000000000000005 [ 89.362152][ T9739] RBP: ffffc9000669f3b0 R08: ffff8880a3aa4340 R09: ffffc9000669f318 [ 89.370323][ T9739] R10: fffff52000cd3e68 R11: ffffc9000669f347 R12: 000000000000001d [ 89.378312][ T9739] R13: ffff8880c840bc38 R14: ffff8880a840bc48 R15: ffffc9000669f388 [ 89.386386][ T9739] FS: 00000000012c8880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 89.395323][ T9739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.402109][ T9739] CR2: ffffed1019081787 CR3: 0000000098899000 CR4: 00000000001406e0 [ 89.410077][ T9739] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.418220][ T9739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.426193][ T9739] Call Trace: [ 89.429474][ T9739] ? __mutex_lock+0x458/0x13c0 [ 89.434232][ T9739] ? lock_downgrade+0x920/0x920 [ 89.439085][ T9739] ? ethnl_bitmap32_clear+0x390/0x390 [ 89.444460][ T9739] ? mutex_trylock+0x2d0/0x2d0 [ 89.449240][ T9739] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 89.455703][ T9739] ? ethnl_default_notify+0x6b0/0x6b0 [ 89.461090][ T9739] ethnl_update_bitset+0x4d/0x67 [ 89.466217][ T9739] ethnl_set_linkmodes+0x461/0xc30 [ 89.471432][ T9739] ? __kasan_check_read+0x11/0x20 [ 89.476570][ T9739] ? linkmodes_prepare_data+0x2a0/0x2a0 [ 89.482123][ T9739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.489759][ T9739] ? kernel_text_address+0xe9/0x110 [ 89.495660][ T9739] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 89.501123][ T9739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.507439][ T9739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.514654][ T9739] ? security_capable+0x95/0xc0 [ 89.519536][ T9739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.525784][ T9739] ? genl_family_rcv_msg_attrs_parse+0x1cb/0x320 [ 89.532183][ T9739] genl_rcv_msg+0x67d/0xea0 [ 89.536893][ T9739] ? genl_rcv_msg+0x67d/0xea0 [ 89.541687][ T9739] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 89.548015][ T9739] ? __kasan_check_read+0x11/0x20 [ 89.553029][ T9739] ? __lock_acquire+0x8a0/0x4a00 [ 89.558045][ T9739] ? find_held_lock+0x35/0x130 [ 89.562812][ T9739] netlink_rcv_skb+0x177/0x450 [ 89.567566][ T9739] ? genl_family_rcv_msg_attrs_parse+0x320/0x320 [ 89.574121][ T9739] ? netlink_ack+0xb50/0xb50 [ 89.578709][ T9739] ? __kasan_check_write+0x14/0x20 [ 89.583992][ T9739] ? netlink_deliver_tap+0x248/0xbf0 [ 89.589492][ T9739] genl_rcv+0x29/0x40 [ 89.593767][ T9739] netlink_unicast+0x59e/0x7e0 [ 89.598531][ T9739] ? netlink_attachskb+0x870/0x870 [ 89.603636][ T9739] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 89.609416][ T9739] ? __check_object_size+0x3d/0x437 [ 89.614631][ T9739] netlink_sendmsg+0x91c/0xea0 [ 89.619404][ T9739] ? netlink_unicast+0x7e0/0x7e0 [ 89.624787][ T9739] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 89.630476][ T9739] ? apparmor_socket_sendmsg+0x2a/0x30 [ 89.635940][ T9739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.642197][ T9739] ? security_socket_sendmsg+0x8d/0xc0 [ 89.647775][ T9739] ? netlink_unicast+0x7e0/0x7e0 [ 89.652840][ T9739] sock_sendmsg+0xd7/0x130 [ 89.657391][ T9739] ____sys_sendmsg+0x753/0x880 [ 89.662159][ T9739] ? kernel_sendmsg+0x50/0x50 [ 89.667069][ T9739] ? debug_object_active_state+0x28a/0x350 [ 89.672931][ T9739] ? find_held_lock+0x35/0x130 [ 89.677824][ T9739] ___sys_sendmsg+0x100/0x170 [ 89.682513][ T9739] ? sendmsg_copy_msghdr+0x70/0x70 [ 89.687752][ T9739] ? lockdep_hardirqs_on+0x421/0x5e0 [ 89.693056][ T9739] ? __kasan_check_read+0x11/0x20 [ 89.698086][ T9739] ? mark_lock+0xc2/0x1220 [ 89.702665][ T9739] ? __kasan_check_read+0x11/0x20 [ 89.707693][ T9739] ? __lock_acquire+0x16f2/0x4a00 [ 89.712839][ T9739] ? debug_object_deactivate+0x320/0x320 [ 89.718462][ T9739] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 89.724622][ T9739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.730864][ T9739] ? __fget_light+0x1ad/0x270 [ 89.735592][ T9739] ? __fdget+0x1b/0x20 [ 89.739657][ T9739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.746064][ T9739] __sys_sendmsg+0x105/0x1d0 [ 89.750648][ T9739] ? __sys_sendmsg_sock+0xc0/0xc0 [ 89.755681][ T9739] ? lockdep_hardirqs_on+0x421/0x5e0 [ 89.761000][ T9739] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 89.766591][ T9739] ? do_syscall_64+0x26/0x790 [ 89.771262][ T9739] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.777346][ T9739] ? do_syscall_64+0x26/0x790 [ 89.782040][ T9739] __x64_sys_sendmsg+0x78/0xb0 [ 89.786813][ T9739] do_syscall_64+0xfa/0x790 [ 89.791362][ T9739] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.797389][ T9739] RIP: 0033:0x445b39 [ 89.801294][ T9739] 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 [ 89.821010][ T9739] RSP: 002b:00007ffe649cf628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 89.829485][ T9739] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445b39 [ 89.837458][ T9739] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 89.846661][ T9739] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000bb1414ac [ 89.854662][ T9739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000015c8e [ 89.862727][ T9739] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 89.870865][ T9739] Modules linked in: [ 89.875006][ T9739] CR2: ffffed1019081787 [ 89.879269][ T9739] ---[ end trace 5e83adb1ee202503 ]--- [ 89.884856][ T9739] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 89.891614][ T9739] 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 [ 89.911385][ T9739] RSP: 0018:ffffc9000669f248 EFLAGS: 00010a06 [ 89.917450][ T9739] RAX: dffffc0000000000 RBX: ffff8880a840bc38 RCX: ffffffff86701624 [ 89.925461][ T9739] RDX: 1ffff11019081787 RSI: ffffffff86701632 RDI: 0000000000000005 [ 89.933428][ T9739] RBP: ffffc9000669f3b0 R08: ffff8880a3aa4340 R09: ffffc9000669f318 [ 89.941404][ T9739] R10: fffff52000cd3e68 R11: ffffc9000669f347 R12: 000000000000001d [ 89.949382][ T9739] R13: ffff8880c840bc38 R14: ffff8880a840bc48 R15: ffffc9000669f388 [ 89.957354][ T9739] FS: 00000000012c8880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 89.966633][ T9739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.973373][ T9739] CR2: ffffed1019081787 CR3: 0000000098899000 CR4: 00000000001406e0 [ 89.981448][ T9739] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.989528][ T9739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.997841][ T9739] Kernel panic - not syncing: Fatal exception [ 90.004793][ T9739] Kernel Offset: disabled [ 90.009177][ T9739] Rebooting in 86400 seconds..