[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 101.876200][ T27] audit: type=1400 audit(1583095702.919:37): avc: denied { watch } for pid=10356 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 [ 101.918122][ T27] audit: type=1400 audit(1583095702.919:38): avc: denied { watch } for pid=10356 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file 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 '10.128.0.119' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 111.524303][ T27] kauditd_printk_skb: 3 callbacks suppressed [ 111.524319][ T27] audit: type=1400 audit(1583095712.569:42): avc: denied { map } for pid=10453 comm="syz-executor116" path="/root/syz-executor116719629" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 111.532551][T10453] iwpm_register_pid: Unable to send a nlmsg (client = 2) [ 111.558688][ T27] audit: type=1400 audit(1583095712.579:43): avc: denied { create } for pid=10453 comm="syz-executor116" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 [ 111.572529][T10453] infiniband syz1: RDMA CMA: cma_listen_on_dev, error -98 [ 111.590051][ T27] audit: type=1400 audit(1583095712.579:44): avc: denied { write } for pid=10453 comm="syz-executor116" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 [ 111.616310][T10453] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 111.633202][T10453] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 111.641621][T10453] CPU: 1 PID: 10453 Comm: syz-executor116 Not tainted 5.6.0-rc3-syzkaller #0 [ 111.650367][T10453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.660533][T10453] RIP: 0010:nldev_stat_set_doit+0x63c/0xb70 [ 111.667366][T10453] Code: fc 01 0f 84 58 03 00 00 e8 51 43 bf fb 4c 8b a3 58 fd ff ff 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 6d [ 111.686967][T10453] RSP: 0018:ffffc90001fa7350 EFLAGS: 00010247 [ 111.693041][T10453] RAX: dffffc0000000000 RBX: ffffc90001fa7728 RCX: ffffffff85b653f0 [ 111.701011][T10453] RDX: 0000000000000000 RSI: ffffffff85b653ff RDI: 0000000000000004 [ 111.709145][T10453] RBP: ffffc90001fa7750 R08: ffff8880a8bc8480 R09: ffff8880a7e30010 [ 111.717119][T10453] R10: ffffed1014fc61dc R11: ffff8880a7e30ee3 R12: 0000000000000000 [ 111.725107][T10453] R13: ffff88807a1f8000 R14: ffff8880a305d140 R15: 000000009ab00786 [ 111.733537][T10453] FS: 0000000000d0f880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 111.742457][T10453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.749027][T10453] CR2: 00000000006254b8 CR3: 00000000957d4000 CR4: 00000000001406e0 [ 111.757019][T10453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 111.764993][T10453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 111.772961][T10453] Call Trace: [ 111.776247][T10453] ? nldev_res_get_qp_doit+0x40/0x40 [ 111.781595][T10453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.787835][T10453] ? ns_capable_common+0x93/0x100 [ 111.792969][T10453] ? ns_capable+0x20/0x30 [ 111.798320][T10453] ? __netlink_ns_capable+0x104/0x140 [ 111.803693][T10453] ? nldev_res_get_qp_doit+0x40/0x40 [ 111.808994][T10453] rdma_nl_rcv+0x5d9/0x980 [ 111.813401][T10453] ? rdma_nl_multicast+0x330/0x330 [ 111.818587][T10453] ? __kasan_check_read+0x11/0x20 [ 111.823700][T10453] ? netlink_deliver_tap+0x248/0xbf0 [ 111.828984][T10453] ? __kasan_check_write+0x14/0x20 [ 111.834100][T10453] netlink_unicast+0x59e/0x7e0 [ 111.839055][T10453] ? netlink_attachskb+0x870/0x870 [ 111.844151][T10453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.850377][T10453] netlink_sendmsg+0x91c/0xea0 [ 111.855149][T10453] ? netlink_unicast+0x7e0/0x7e0 [ 111.860080][T10453] ? tomoyo_socket_sendmsg+0x26/0x30 [ 111.866057][T10453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.872292][T10453] ? security_socket_sendmsg+0x8d/0xc0 [ 111.877827][T10453] ? netlink_unicast+0x7e0/0x7e0 [ 111.882742][T10453] sock_sendmsg+0xd7/0x130 [ 111.887147][T10453] ____sys_sendmsg+0x753/0x880 [ 111.891908][T10453] ? kernel_sendmsg+0x50/0x50 [ 111.896577][T10453] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 111.902844][T10453] ___sys_sendmsg+0x100/0x170 [ 111.907531][T10453] ? sendmsg_copy_msghdr+0x70/0x70 [ 111.912625][T10453] ? __kasan_check_read+0x11/0x20 [ 111.917642][T10453] ? __lock_acquire+0x8a0/0x4a00 [ 111.922569][T10453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.928803][T10453] ? __this_cpu_preempt_check+0x35/0x190 [ 111.934892][T10453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.941135][T10453] ? percpu_counter_add_batch+0x13c/0x190 [ 111.946846][T10453] ? __fd_install+0x1bc/0x640 [ 111.951527][T10453] ? find_held_lock+0x35/0x130 [ 111.956294][T10453] ? __fd_install+0x1bc/0x640 [ 111.960965][T10453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.967199][T10453] ? __fget_light+0x1ad/0x270 [ 111.971859][T10453] ? __fdget+0x1b/0x20 [ 111.975954][T10453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 111.982184][T10453] __sys_sendmsg+0x105/0x1d0 [ 111.986760][T10453] ? __sys_sendmsg_sock+0xc0/0xc0 [ 111.992386][T10453] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 111.997829][T10453] ? do_syscall_64+0x26/0x790 [ 112.002496][T10453] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.008548][T10453] ? do_syscall_64+0x26/0x790 [ 112.013215][T10453] __x64_sys_sendmsg+0x78/0xb0 [ 112.018577][T10453] do_syscall_64+0xfa/0x790 [ 112.023062][T10453] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.028935][T10453] RIP: 0033:0x4403d9 [ 112.032829][T10453] 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 [ 112.052507][T10453] RSP: 002b:00007fff2085b198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.060903][T10453] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403d9 [ 112.068860][T10453] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 112.076825][T10453] RBP: 00000000006ca018 R08: 0000000000000008 R09: 00000000004002c8 [ 112.084792][T10453] R10: 000000000000004a R11: 0000000000000246 R12: 0000000000401c60 [ 112.092749][T10453] R13: 0000000000401cf0 R14: 0000000000000000 R15: 0000000000000000 [ 112.100809][T10453] Modules linked in: [ 112.106282][T10453] ---[ end trace 738bb46fc914a545 ]--- [ 112.111876][T10453] RIP: 0010:nldev_stat_set_doit+0x63c/0xb70 [ 112.118125][T10453] Code: fc 01 0f 84 58 03 00 00 e8 51 43 bf fb 4c 8b a3 58 fd ff ff 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 6d [ 112.137777][T10453] RSP: 0018:ffffc90001fa7350 EFLAGS: 00010247 [ 112.143841][T10453] RAX: dffffc0000000000 RBX: ffffc90001fa7728 RCX: ffffffff85b653f0 [ 112.151894][T10453] RDX: 0000000000000000 RSI: ffffffff85b653ff RDI: 0000000000000004 [ 112.159897][T10453] RBP: ffffc90001fa7750 R08: ffff8880a8bc8480 R09: ffff8880a7e30010 [ 112.167905][T10453] R10: ffffed1014fc61dc R11: ffff8880a7e30ee3 R12: 0000000000000000 [ 112.175883][T10453] R13: ffff88807a1f8000 R14: ffff8880a305d140 R15: 000000009ab00786 [ 112.183915][T10453] FS: 0000000000d0f880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 112.192879][T10453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.199554][T10453] CR2: 0000000000e19d40 CR3: 00000000957d4000 CR4: 00000000001406e0 [ 112.207556][T10453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 112.215534][T10453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 112.223550][T10453] Kernel panic - not syncing: Fatal exception [ 112.231944][T10453] Kernel Offset: disabled [ 112.236263][T10453] Rebooting in 86400 seconds..