[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 2017/08/16 20:25:31 parsed 1 programs 2017/08/16 20:25:31 executed programs: 0 syzkaller login: [ 32.166702] syz-executor0: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 32.167475] syz-executor0 cpuset=/ mems_allowed=0-1 [ 32.167822] CPU: 3 PID: 3267 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170816+ #4 [ 32.168381] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 32.168941] Call Trace: [ 32.169146] dump_stack+0x194/0x257 [ 32.169422] ? arch_local_irq_restore+0x53/0x53 [ 32.169906] warn_alloc+0x1c2/0x2f0 [ 32.170202] ? zone_watermark_ok_safe+0x430/0x430 [ 32.170552] ? get_page_from_freelist+0x123e/0x3430 [ 32.170924] ? wake_all_kswapds+0x181/0x390 [ 32.171235] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 32.171625] ? perf_tp_event+0x7f4/0xae0 [ 32.171917] ? tracing_generic_entry_update+0x15a/0x1d0 [ 32.172276] ? warn_alloc+0x2f0/0x2f0 [ 32.172553] ? perf_trace_buf_update+0x66/0xb0 [ 32.172886] ? perf_tp_event+0x7f4/0xae0 [ 32.173200] ? find_get_context.isra.84+0x670/0x670 [ 32.173699] ? tracing_generic_entry_update+0x15a/0x1d0 [ 32.174070] ? perf_trace_buf_update+0x66/0xb0 [ 32.174368] ? perf_tp_event+0x7f4/0xae0 [ 32.174645] ? find_get_context.isra.84+0x670/0x670 [ 32.174982] ? tracing_generic_entry_update+0x15a/0x1d0 [ 32.175352] ? perf_trace_buf_update+0x66/0xb0 [ 32.175652] ? perf_tp_event+0x7f4/0xae0 [ 32.175922] ? perf_log_itrace_start+0x1c1/0x5f0 [ 32.176256] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.176568] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.176882] ? retint_kernel+0x10/0x10 [ 32.177161] __alloc_pages_nodemask+0x9f7/0xd80 [ 32.177460] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.177800] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 32.178133] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.178460] ? perf_trace_run_bpf_submit+0x1ae/0x290 [ 32.178789] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.179127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.179441] ? retint_kernel+0x10/0x10 [ 32.179711] alloc_pages_current+0xb6/0x1e0 [ 32.179995] skb_copy_ubufs+0x41d/0x1940 [ 32.180256] ? perf_trace_buf_update+0x66/0xb0 [ 32.180553] ? perf_tp_event+0x7f4/0xae0 [ 32.180819] ? trace_event_raw_event_lock+0x340/0x340 [ 32.181183] ? lock_acquire+0x1d5/0x580 [ 32.181475] ? skb_release_data+0x790/0x790 [ 32.181752] ? find_get_context.isra.84+0x670/0x670 [ 32.182072] ? __is_insn_slot_addr+0x1fc/0x330 [ 32.183343] ? lock_release+0xa40/0xa40 [ 32.183649] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.184041] ? lock_release+0xa40/0xa40 [ 32.184315] ? __free_insn_slot+0x5c0/0x5c0 [ 32.184638] __netif_receive_skb_core+0x24e6/0x33d0 [ 32.185136] ? unwind_get_return_address+0x61/0xa0 [ 32.185643] ? nf_ingress+0x9f0/0x9f0 [ 32.186029] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.186536] ? perf_trace_run_bpf_submit+0x1ae/0x290 [ 32.187083] ? save_stack_trace+0x16/0x20 [ 32.187491] ? save_stack+0x43/0xd0 [ 32.187795] ? kasan_kmalloc+0xad/0xe0 [ 32.188087] ? memset+0x31/0x40 [ 32.188437] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.188950] ? trace_event_raw_event_lock+0x340/0x340 [ 32.189487] ? __skb_flow_dissect+0xfa6/0x3ad0 [ 32.189965] ? __skb_flow_get_ports+0x400/0x400 [ 32.190428] ? trace_event_raw_event_lock+0x340/0x340 [ 32.190777] ? lock_acquire+0x1d5/0x580 [ 32.191078] ? netif_receive_skb_internal+0x1d7/0x5e0 [ 32.191422] ? lock_downgrade+0x990/0x990 [ 32.191716] ? kasan_kmalloc+0x81/0xe0 [ 32.191989] ? pvclock_read_flags+0x160/0x160 [ 32.192295] ? __build_skb+0x325/0x450 [ 32.192561] ? lock_acquire+0x1d5/0x580 [ 32.192832] ? lock_acquire+0x1d5/0x580 [ 32.193107] ? netif_receive_skb_internal+0x93/0x5e0 [ 32.193404] ? ktime_get_with_offset+0x2c1/0x420 [ 32.193686] ? lock_release+0xa40/0xa40 [ 32.193923] ? do_gettimeofday+0x190/0x190 [ 32.194187] ? __build_skb+0x450/0x450 [ 32.194437] __netif_receive_skb+0x2c/0x1b0 [ 32.194806] ? __netif_receive_skb+0x2c/0x1b0 [ 32.195203] netif_receive_skb_internal+0x10b/0x5e0 [ 32.195636] ? dev_cpu_dead+0xb00/0xb00 [ 32.195986] ? tun_device_event+0xca0/0xca0 [ 32.196400] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.196843] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.197179] netif_receive_skb+0xae/0x390 [ 32.197484] ? netif_receive_skb_internal+0x5e0/0x5e0 [ 32.197927] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.198371] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.198825] ? perf_trace_run_bpf_submit+0x1ae/0x290 [ 32.199306] ? tun_rx_batched.isra.43+0x5bd/0x860 [ 32.199772] tun_rx_batched.isra.43+0x5e7/0x860 [ 32.200186] ? skb_get_hash_perturb+0x9d0/0x9d0 [ 32.200474] ? tun_sock_write_space+0x370/0x370 [ 32.200769] ? tun_free_netdev+0x1b0/0x1b0 [ 32.201088] ? trace_event_raw_event_lock+0x340/0x340 [ 32.201447] tun_get_user+0x11dd/0x2150 [ 32.201731] ? tun_flow_update+0xf70/0xf70 [ 32.202134] ? trace_event_raw_event_lock+0x340/0x340 [ 32.202654] ? lock_acquire+0x1d5/0x580 [ 32.203057] ? lock_acquire+0x1d5/0x580 [ 32.203454] ? __tun_get+0x1ab/0x2e0 [ 32.203832] ? lock_downgrade+0x990/0x990 [ 32.204762] ? lock_release+0xa40/0xa40 [ 32.205167] ? __fget+0x35c/0x570 [ 32.205538] ? __tun_get+0x1d4/0x2e0 [ 32.205911] ? tun_chr_close+0x60/0x60 [ 32.206305] ? release_sock+0x1d4/0x2a0 [ 32.206705] ? trace_hardirqs_on+0xd/0x10 [ 32.207116] tun_chr_write_iter+0xd8/0x190 [ 32.207390] __vfs_write+0x684/0x970 [ 32.207611] ? default_llseek+0x290/0x290 [ 32.207856] ? _cond_resched+0x14/0x30 [ 32.208152] ? avc_policy_seqno+0x9/0x20 [ 32.208473] ? selinux_file_permission+0x82/0x460 [ 32.208874] ? rw_verify_area+0xe5/0x2b0 [ 32.209207] ? __fdget_raw+0x20/0x20 [ 32.209518] vfs_write+0x189/0x510 [ 32.209810] SyS_write+0xef/0x220 [ 32.210102] ? SyS_read+0x220/0x220 [ 32.210397] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.210803] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 32.211205] RIP: 0033:0x40bab1 [ 32.211516] RSP: 002b:00007fd836075c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 32.212221] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 000000000040bab1 [ 32.212691] RDX: 0000000000000011 RSI: 0000000020014fab RDI: 0000000000000003 [ 32.213257] RBP: 0000000000708000 R08: 0000000000000000 R09: 0000000000000000 [ 32.214057] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000ffffffff [ 32.214556] R13: 00000000000002f0 R14: 00000000006e23b0 R15: 0000000020e84000 [ 32.215237] Mem-Info: [ 32.215489] active_anon:5386 inactive_anon:42 isolated_anon:0 [ 32.215489] active_file:880 inactive_file:890 isolated_file:0 [ 32.215489] unevictable:0 dirty:26 writeback:0 unstable:0 [ 32.215489] slab_reclaimable:5137 slab_unreclaimable:24348 [ 32.215489] mapped:1687 shmem:49 pagetables:287 bounce:0 [ 32.215489] free:8556 free_pcp:1136 free_cma:0 [ 32.218434] Node 0 active_anon:18064kB inactive_anon:48kB active_file:1348kB inactive_file:1280kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:2556kB dirty:60kB writeback:0kB shmem:68kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 32.220322] Node 1 active_anon:3480kB inactive_anon:120kB active_file:2172kB inactive_file:2280kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4192kB dirty:44kB writeback:0kB shmem:128kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 32.222778] Node 0 DMA free:3744kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.224638] lowmem_reserve[]: 0 884 884 884 [ 32.225073] Node 0 DMA32 free:13532kB min:36500kB low:45624kB high:54748kB active_anon:18064kB inactive_anon:48kB active_file:1732kB inactive_file:1664kB unevictable:0kB writepending:60kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2496kB pagetables:376kB bounce:0kB free_pcp:2300kB local_pcp:764kB free_cma:0kB [ 32.229492] lowmem_reserve[]: 0 0 0 0 [ 32.229904] Node 1 DMA32 free:16948kB min:30440kB low:38048kB high:45656kB active_anon:3380kB inactive_anon:120kB active_file:2400kB inactive_file:2580kB unevictable:0kB writepending:44kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1536kB pagetables:772kB bounce:0kB free_pcp:2244kB local_pcp:240kB free_cma:0kB [ 32.232492] lowmem_reserve[]: 0 0 0 0 [ 32.232812] Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 3744kB [ 32.233843] Node 0 DMA32: 334*4kB (UM) 205*8kB (UM) 85*16kB (UME) 49*32kB (ME) 12*64kB (UME) 6*128kB (UME) 4*256kB (ME) 2*512kB (UE) 2*1024kB (UE) 1*2048kB (M) 0*4096kB = 13584kB [ 32.235512] Node 1 DMA32: 402*4kB (UME) 207*8kB (UME) 76*16kB (UME) 28*32kB (ME) 12*64kB (M) 12*128kB (UME) 2*256kB (M) 4*512kB (UM) 5*1024kB (UME) 1*2048kB (U) 0*4096kB = 17408kB [ 32.237154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.237734] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.238460] 1371 total pagecache pages [ 32.238764] 0 pages in swap cache [ 32.239040] Swap cache stats: add 0, delete 0, find 0/0 [ 32.239420] Free swap = 0kB [ 32.239635] Total swap = 0kB [ 32.239847] 524186 pages RAM [ 32.240169] 0 pages HighMem/MovableOnly [ 32.240449] 104428 pages reserved [ 32.499734] syz-executor0: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 32.500931] syz-executor0 cpuset=/ mems_allowed=0-1 [ 32.501665] CPU: 3 PID: 3267 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170816+ #4 [ 32.503792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 32.504632] Call Trace: [ 32.504906] dump_stack+0x194/0x257 [ 32.505290] ? arch_local_irq_restore+0x53/0x53 [ 32.505761] ? isolate_lru_page+0x11d0/0x11d0 [ 32.506236] warn_alloc+0x1c2/0x2f0 [ 32.506617] ? zone_watermark_ok_safe+0x430/0x430 [ 32.507127] ? get_page_from_freelist+0x123e/0x3430 [ 32.507661] ? wake_all_kswapds+0x181/0x390 [ 32.508125] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 32.508702] ? perf_tp_event+0x7f4/0xae0 [ 32.509124] ? tracing_generic_entry_update+0x15a/0x1d0 [ 32.509667] ? warn_alloc+0x2f0/0x2f0 [ 32.510056] ? perf_trace_buf_update+0x66/0xb0 [ 32.510318] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 32.510324] rsyslogd cpuset=/ mems_allowed=0-1 [ 32.512000] ? perf_tp_event+0x7f4/0xae0 [ 32.512373] ? find_get_context.isra.84+0x670/0x670 [ 32.512840] ? tracing_generic_entry_update+0x15a/0x1d0 [ 32.513337] ? perf_trace_buf_update+0x66/0xb0 [ 32.513810] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.514253] ? retint_kernel+0x10/0x10 [ 32.514612] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.515074] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.515513] ? mem_cgroup_cancel_charge+0x170/0x170 [ 32.515988] ? kernel_poison_pages+0xe5/0x210 [ 32.516417] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.516866] ? retint_kernel+0x10/0x10 [ 32.517244] ? __need_fs_reclaim+0x32/0x120 [ 32.517653] __alloc_pages_nodemask+0x9f7/0xd80 [ 32.518080] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.518547] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 32.519014] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.519458] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.519902] ? retint_kernel+0x10/0x10 [ 32.520277] ? audit_kill_trees+0x430/0x430 [ 32.520687] alloc_pages_current+0xb6/0x1e0 [ 32.521091] skb_copy_ubufs+0x41d/0x1940 [ 32.521457] ? perf_trace_buf_update+0x66/0xb0 [ 32.521876] ? perf_tp_event+0x7f4/0xae0 [ 32.522249] ? trace_event_raw_event_lock+0x340/0x340 [ 32.522717] ? lock_acquire+0x1d5/0x580 [ 32.523104] ? skb_release_data+0x790/0x790 [ 32.523496] ? find_get_context.isra.84+0x670/0x670 [ 32.524223] ? __is_insn_slot_addr+0x1fc/0x330 [ 32.524624] ? lock_release+0xa40/0xa40 [ 32.525011] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.525478] ? lock_release+0xa40/0xa40 [ 32.525835] ? __free_insn_slot+0x5c0/0x5c0 [ 32.526260] __netif_receive_skb_core+0x2084/0x33d0 [ 32.526717] ? unwind_get_return_address+0x61/0xa0 [ 32.527192] ? nf_ingress+0x9f0/0x9f0 [ 32.527537] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.527988] ? perf_trace_run_bpf_submit+0x1ae/0x290 [ 32.528456] ? save_stack_trace+0x16/0x20 [ 32.528833] ? save_stack+0x43/0xd0 [ 32.529163] ? kasan_kmalloc+0xad/0xe0 [ 32.529512] ? memset+0x31/0x40 [ 32.529825] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.530296] ? trace_event_raw_event_lock+0x340/0x340 [ 32.530767] ? __skb_flow_dissect+0xfa6/0x3ad0 [ 32.531214] ? __skb_flow_get_ports+0x400/0x400 [ 32.531656] ? trace_event_raw_event_lock+0x340/0x340 [ 32.532129] ? lock_acquire+0x1d5/0x580 [ 32.532493] ? netif_receive_skb_internal+0x1d7/0x5e0 [ 32.532960] ? lock_downgrade+0x990/0x990 [ 32.533354] ? pvclock_read_flags+0x160/0x160 [ 32.533762] ? __build_skb+0x325/0x450 [ 32.534132] ? lock_acquire+0x1d5/0x580 [ 32.534501] ? lock_acquire+0x1d5/0x580 [ 32.534852] ? netif_receive_skb_internal+0x93/0x5e0 [ 32.535318] ? ktime_get_with_offset+0x2c1/0x420 [ 32.535752] ? lock_release+0xa40/0xa40 [ 32.536113] ? do_gettimeofday+0x190/0x190 [ 32.536496] ? __build_skb+0x450/0x450 [ 32.536865] __netif_receive_skb+0x2c/0x1b0 [ 32.537259] ? __netif_receive_skb+0x2c/0x1b0 [ 32.537671] netif_receive_skb_internal+0x10b/0x5e0 [ 32.538132] ? dev_cpu_dead+0xb00/0xb00 [ 32.538500] ? tun_device_event+0xca0/0xca0 [ 32.538909] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.539396] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.539863] netif_receive_skb+0xae/0x390 [ 32.540248] ? netif_receive_skb_internal+0x5e0/0x5e0 [ 32.540727] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.541196] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.541661] ? perf_trace_run_bpf_submit+0x1ae/0x290 [ 32.542129] ? tun_rx_batched.isra.43+0x5bd/0x860 [ 32.542576] tun_rx_batched.isra.43+0x5e7/0x860 [ 32.543002] ? skb_get_hash_perturb+0x9d0/0x9d0 [ 32.543447] ? tun_sock_write_space+0x370/0x370 [ 32.543871] ? tun_free_netdev+0x1b0/0x1b0 [ 32.544276] ? trace_event_raw_event_lock+0x340/0x340 [ 32.544760] tun_get_user+0x11dd/0x2150 [ 32.546259] ? tun_flow_update+0xf70/0xf70 [ 32.546650] ? trace_event_raw_event_lock+0x340/0x340 [ 32.547141] ? lock_acquire+0x1d5/0x580 [ 32.547491] ? lock_acquire+0x1d5/0x580 [ 32.547841] ? __tun_get+0x1ab/0x2e0 [ 32.548182] ? lock_downgrade+0x990/0x990 [ 32.548563] ? lock_release+0xa40/0xa40 [ 32.548932] ? __fget+0x35c/0x570 [ 32.549278] ? __tun_get+0x1d4/0x2e0 [ 32.549599] ? tun_chr_close+0x60/0x60 [ 32.549962] ? release_sock+0x1d4/0x2a0 [ 32.550325] ? trace_hardirqs_on+0xd/0x10 [ 32.550717] tun_chr_write_iter+0xd8/0x190 [ 32.551127] __vfs_write+0x684/0x970 [ 32.551476] ? default_llseek+0x290/0x290 [ 32.551860] ? _cond_resched+0x14/0x30 [ 32.552220] ? avc_policy_seqno+0x9/0x20 [ 32.552592] ? selinux_file_permission+0x82/0x460 [ 32.553054] ? rw_verify_area+0xe5/0x2b0 [ 32.553420] ? __fdget_raw+0x20/0x20 [ 32.553766] vfs_write+0x189/0x510 [ 32.554116] SyS_write+0xef/0x220 [ 32.554440] ? SyS_read+0x220/0x220 [ 32.554776] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.555218] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 32.555590] RIP: 0033:0x40bab1 [ 32.555836] RSP: 002b:00007fd836075c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 32.556440] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 000000000040bab1 [ 32.557018] RDX: 0000000000000011 RSI: 0000000020014fab RDI: 0000000000000003 [ 32.557574] RBP: 0000000000708000 R08: 0000000000000000 R09: 0000000000000000 [ 32.558125] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000ffffffff [ 32.558675] R13: 00000000000002f0 R14: 00000000006e23b0 R15: 0000000020e84000 [ 32.559269] CPU: 0 PID: 2892 Comm: rsyslogd Not tainted 4.13.0-rc5-next-20170816+ #4 [ 32.560194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 32.560891] Call Trace: [ 32.561124] dump_stack+0x194/0x257 [ 32.561438] ? arch_local_irq_restore+0x53/0x53 [ 32.561835] ? trace_event_raw_event_lock+0x340/0x340 [ 32.562280] dump_header+0x234/0xa0e [ 32.562597] ? trace_event_raw_event_lock+0x340/0x340 [ 32.563055] ? pagefault_out_of_memory+0x152/0x152 [ 32.563886] ? trace_event_raw_event_lock+0x340/0x340 [ 32.564399] ? lock_acquire+0x1d5/0x580 [ 32.564792] ? ___ratelimit+0x30d/0x630 [ 32.565193] ? lock_downgrade+0x990/0x990 [ 32.565597] ? avc_has_perm_noaudit+0x37e/0x520 [ 32.566067] ? do_raw_spin_trylock+0x190/0x190 [ 32.566956] ? trace_event_raw_event_lock+0x340/0x340 [ 32.568242] ? lock_acquire+0x1d5/0x580 [ 32.568646] ? lock_downgrade+0x990/0x990 [ 32.569017] ? perf_trace_lock+0xf1/0x860 [ 32.569380] ? trace_hardirqs_on+0xd/0x10 [ 32.569742] ? ___ratelimit+0x95/0x630 [ 32.570083] ? idr_get_free+0xff0/0xff0 [ 32.570437] oom_kill_process+0x86d/0x13d0 [ 32.570807] ? lock_downgrade+0x990/0x990 [ 32.571160] ? lock_release+0xa40/0xa40 [ 32.571518] ? lock_release+0xa40/0xa40 [ 32.571834] ? oom_evaluate_task+0x480/0x480 [ 32.572234] ? security_capable_noaudit+0x8b/0xc0 [ 32.572661] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 32.573126] ? has_capability+0x30/0x30 [ 32.573486] ? perf_trace_lock+0xf1/0x860 [ 32.573856] ? trace_event_raw_event_lock+0x340/0x340 [ 32.574266] ? has_capability_noaudit+0x24/0x30 [ 32.574675] ? oom_badness+0xdf/0xb80 [ 32.574936] ? lock_downgrade+0x990/0x990 [ 32.575308] ? find_lock_task_mm+0x460/0x460 [ 32.575608] ? lock_release+0xa40/0xa40 [ 32.575965] ? trace_event_raw_event_lock+0x340/0x340 [ 32.576422] ? out_of_memory+0xaaa/0x11d0 [ 32.576707] ? lock_downgrade+0x990/0x990 [ 32.577074] ? lock_release+0xa40/0xa40 [ 32.577346] ? lock_acquire+0x1d5/0x580 [ 32.577697] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 32.578114] ? srcu_init_notifier_head+0x80/0x80 [ 32.578434] ? oom_evaluate_task+0x284/0x480 [ 32.578835] out_of_memory+0x7dd/0x11d0 [ 32.579107] ? oom_killer_disable+0x310/0x310 [ 32.579506] ? mutex_trylock+0x23a/0x2d0 [ 32.579781] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 32.580265] ? check_same_owner+0x320/0x320 [ 32.580555] ? _find_next_bit+0xee/0x120 [ 32.580925] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 32.581377] ? warn_alloc+0x2f0/0x2f0 [ 32.581636] ? trace_event_raw_event_lock+0x340/0x340 [ 32.582098] ? fs_reclaim_acquire+0x20/0x20 [ 32.582386] ? lock_acquire+0x1d5/0x580 [ 32.582740] ? find_get_entry+0x513/0x9e0 [ 32.583016] ? lock_downgrade+0x990/0x990 [ 32.583395] ? radix_tree_lookup_slot+0x99/0xe0 [ 32.583710] ? __radix_tree_lookup+0x5e0/0x5e0 [ 32.584120] ? __might_sleep+0x95/0x190 [ 32.584385] ? perf_trace_lock+0xf1/0x860 [ 32.584753] ? find_get_entry+0x53c/0x9e0 [ 32.585035] ? trace_event_raw_event_lock+0x340/0x340 [ 32.585498] ? find_get_pages_tag+0xf40/0xf40 [ 32.585904] ? __radix_tree_lookup+0x435/0x5e0 [ 32.586322] ? trace_event_raw_event_lock+0x340/0x340 [ 32.586786] ? lock_acquire+0x1d5/0x580 [ 32.587048] ? fs_reclaim_acquire+0x20/0x20 [ 32.587429] ? lock_downgrade+0x990/0x990 [ 32.587721] ? check_same_owner+0x320/0x320 [ 32.588129] ? __might_sleep+0x95/0x190 [ 32.588470] __alloc_pages_nodemask+0x9f7/0xd80 [ 32.588796] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 32.589243] ? add_to_page_cache_lru+0x510/0x510 [ 32.589581] ? read_cache_pages+0x9a0/0x9a0 [ 32.589968] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.590433] ? perf_trace_lock+0xf1/0x860 [ 32.590805] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.591288] ? lock_acquire+0x1d5/0x580 [ 32.591557] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 32.591909] ? trace_event_raw_event_lock+0x340/0x340 [ 32.592259] alloc_pages_current+0xb6/0x1e0 [ 32.592643] ? lock_downgrade+0x990/0x990 [ 32.592932] __page_cache_alloc+0x358/0x4d0 [ 32.593324] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 32.593833] ? trace_event_raw_event_lock+0x340/0x340 [ 32.594295] ? lock_acquire+0x1d5/0x580 [ 32.594573] filemap_fault+0xf32/0x1d30 [ 32.594935] ? __lock_page_or_retry+0x4f0/0x4f0 [ 32.595363] ? trace_event_raw_event_lock+0x340/0x340 [ 32.595829] ? filemap_map_pages+0x942/0x15d0 [ 32.596132] ? lock_acquire+0x1d5/0x580 [ 32.596490] ? __is_insn_slot_addr+0x1fc/0x330 [ 32.596815] ? find_get_entries_tag+0xeb0/0xeb0 [ 32.597233] ? lock_release+0xa40/0xa40 [ 32.597507] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 32.598027] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 32.598352] ? trace_event_raw_event_lock+0x340/0x340 [ 32.598804] ? lock_acquire+0x1d5/0x580 [ 32.599080] ? lock_acquire+0x1d5/0x580 [ 32.599425] ? is_bpf_text_address+0x7b/0x120 [ 32.599731] ? lock_downgrade+0x990/0x990 [ 32.600098] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.600450] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.600902] ? lock_acquire+0x1d5/0x580 [ 32.601184] ? lock_acquire+0x1d5/0x580 [ 32.601529] ? ext4_filemap_fault+0x7a/0xb0 [ 32.601908] ? lock_release+0xa40/0xa40 [ 32.602249] ? check_same_owner+0x320/0x320 [ 32.602543] ? rcu_note_context_switch+0x710/0x710 [ 32.602974] ? __might_sleep+0x95/0x190 [ 32.603249] ? down_read+0x96/0x150 [ 32.603567] ? ext4_filemap_fault+0x7a/0xb0 [ 32.603863] ? __down_interruptible+0x6a0/0x6a0 [ 32.604268] ? save_stack_trace+0x16/0x20 [ 32.604547] ? save_stack+0x43/0xd0 [ 32.604860] ? kasan_slab_free+0x71/0xc0 [ 32.605226] ? kfree+0xca/0x250 [ 32.605524] ? do_syslog+0x8b5/0xb80 [ 32.605861] ? kmsg_read+0x74/0xa0 [ 32.606195] ? proc_reg_read+0xef/0x170 [ 32.606587] ? __vfs_read+0xef/0xa00 [ 32.606943] ? vfs_read+0x11e/0x350 [ 32.607310] ext4_filemap_fault+0x82/0xb0 [ 32.607686] __do_fault+0xeb/0x30f [ 32.608012] ? trace_event_raw_event_lock+0x340/0x340 [ 32.608484] ? pte_offset_kernel+0xc7/0xc7 [ 32.608868] ? perf_trace_lock+0xf1/0x860 [ 32.609234] ? trace_event_raw_event_lock+0x340/0x340 [ 32.609985] __handle_mm_fault+0x1bb7/0x3980 [ 32.610312] ? __pmd_alloc+0x4e0/0x4e0 [ 32.610570] ? trace_hardirqs_on+0xd/0x10 [ 32.610865] ? trace_event_raw_event_lock+0x340/0x340 [ 32.611254] ? lock_acquire+0x1d5/0x580 [ 32.611598] ? handle_mm_fault+0x23e/0x940 [ 32.611888] ? lock_downgrade+0x990/0x990 [ 32.612260] handle_mm_fault+0x3bb/0x940 [ 32.612641] ? __handle_mm_fault+0x3980/0x3980 [ 32.613038] ? vmacache_find+0x61/0x270 [ 32.613390] ? find_vma+0x30/0x150 [ 32.613700] __do_page_fault+0x4f6/0xb60 [ 32.614059] trace_do_page_fault+0x141/0x730 [ 32.614447] ? do_page_fault+0x70/0x70 [ 32.614796] ? rw_verify_area+0xe5/0x2b0 [ 32.615087] ? __fdget_raw+0x20/0x20 [ 32.615417] ? mutex_unlock+0xd/0x10 [ 32.615738] ? fput+0xd2/0x140 [ 32.616018] ? SyS_read+0x184/0x220 [ 32.616337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.616761] do_async_page_fault+0x72/0xc0 [ 32.617130] async_page_fault+0x28/0x30 [ 32.617475] RIP: 0033:0x7fe98d57f1fd [ 32.617795] RSP: 002b:00007fe98ab1ee30 EFLAGS: 00010293 [ 32.618269] RAX: 0000000000000109 RBX: 0000000000da2650 RCX: 00007fe98d57f1fd [ 32.618950] RDX: 0000000000000fff RSI: 00007fe98c3535a0 RDI: 0000000000000004 [ 32.619621] RBP: 0000000000000000 R08: 0000000000d8d260 R09: 0000000000000000 [ 32.620275] R10: 0000000000000010 R11: 0000000000000293 R12: 000000000065e420 [ 32.620740] R13: 00007fe98ab1f9c0 R14: 00007fe98dbc4040 R15: 0000000000000003 [ 32.621386] Mem-Info: [ 32.621972] active_anon:5362 inactive_anon:42 isolated_anon:0 [ 32.621972] active_file:76 inactive_file:41 isolated_file:0 [ 32.621972] unevictable:0 dirty:19 writeback:2 unstable:0 [ 32.621972] slab_reclaimable:5161 slab_unreclaimable:24446 [ 32.621972] mapped:34 shmem:49 pagetables:287 bounce:0 [ 32.621972] free:218741 free_pcp:1377 free_cma:0 [ 32.624564] Node 0 active_anon:17972kB inactive_anon:52kB active_file:284kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96kB dirty:76kB writeback:0kB shmem:72kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 32.626615] Node 1 active_anon:3476kB inactive_anon:116kB active_file:20kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:40kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 32.628788] Node 0 DMA free:15896kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 32.631914] lowmem_reserve[]: 0 884 884 884 [ 32.632472] Node 0 DMA32 free:810548kB min:36500kB low:45624kB high:54748kB active_anon:17972kB inactive_anon:52kB active_file:240kB inactive_file:0kB unevictable:0kB writepending:52kB present:1032192kB managed:907900kB mlocked:0kB kernel_stack:2496kB pagetables:376kB bounce:0kB free_pcp:2816kB local_pcp:596kB free_cma:0kB [ 32.635234] lowmem_reserve[]: 0 0 0 0 [ 32.635675] Node 1 DMA32 free:250560kB min:30440kB low:38048kB high:45656kB active_anon:3376kB inactive_anon:116kB active_file:468kB inactive_file:120kB unevictable:0kB writepending:0kB present:1048560kB managed:755224kB mlocked:0kB kernel_stack:1536kB pagetables:772kB bounce:0kB free_pcp:2492kB local_pcp:692kB free_cma:0kB [ 32.638354] lowmem_reserve[]: 0 0 0 0 [ 32.638817] Node 0 DMA: 4*4kB (UME) 3*8kB (UME) 3*16kB (UME) 4*32kB (UME) 5*64kB (UME) 4*128kB (UME) 4*256kB (UME) 3*512kB (UME) 4*1024kB (UME) 0*2048kB 2*4096kB (U) = 15896kB [ 32.641016] Node 0 DMA32: 197*4kB (UME) 258*8kB (UM) 340*16kB (UM) 131*32kB (UME) 34*64kB (UME) 12*128kB (UME) 21*256kB (UME) 11*512kB (UME) 11*1024kB (UE) 7*2048kB (U) 185*4096kB (U) = 810564kB [ 32.642699] Node 1 DMA32: 400*4kB (UM) 226*8kB (UM) 127*16kB (UM) 50*32kB (UM) 33*64kB (UM) 18*128kB (UM) 3*256kB (UM) 3*512kB (UM) 5*1024kB (U) 1*2048kB (U) 81*4096kB (U) = 352704kB [ 32.644216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.644978] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 32.645747] 206 total pagecache pages [ 32.646003] 0 pages in swap cache [ 32.646320] Swap cache stats: add 0, delete 0, find 0/0 [ 32.646676] Free swap = 0kB [ 32.646946] Total swap = 0kB [ 32.647236] 524186 pages RAM [ 32.647503] 0 pages HighMem/MovableOnly [ 32.647851] 104428 pages reserved [ 32.648165] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 32.648931] [ 1508] 0 1508 5349 148 16 3 0 -1000 udevd [ 32.649708] [ 2758] 0 2758 2493 573 7 3 0 0 dhclient [ 32.650502] [ 2888] 0 2888 14241 162 23 3 0 0 rsyslogd [ 32.651306] [ 2924] 0 2924 4725 48 15 3 0 0 cron [ 32.652005] [ 2950] 0 2950 12490 152 27 3 0 -1000 sshd [ 32.652766] [ 2977] 0 2977 3694 38 13 3 0 0 getty [ 32.653369] [ 2978] 0 2978 3694 39 13 3 0 0 getty [ 32.654140] [ 2979] 0 2979 3694 40 13 3 0 0 getty [ 32.654900] [ 2980] 0 2980 3694 40 13 3 0 0 getty [ 32.655683] [ 2981] 0 2981 3694 41 12 3 0 0 getty [ 32.656441] [ 2982] 0 2982 3694 41 13 3 0 0 getty [ 32.657226] [ 2983] 0 2983 3649 40 13 3 0 0 getty [ 32.658031] [ 2985] 0 2985 5348 149 15 3 0 -1000 udevd [ 32.658805] [ 2986] 0 2986 5348 149 15 3 0 -1000 udevd [ 32.659600] [ 3000] 0 3000 17820 196 40 3 0 0 sshd [ 32.660380] [ 3003] 0 3003 8328 1513 14 5 0 0 syz-execprog [ 32.661222] [ 3010] 0 3010 5297 15 6 2 0 0 syz-executor0 [ 32.662071] [ 3012] 0 3012 5297 19 7 3 0 0 syz-executor0 [ 32.662911] [ 3267] 0 3266 9458 2055 13 4 0 0 syz-executor0 [ 32.663774] Out of memory: Kill process 3266 (syz-executor0) score 4 or sacrifice child [ 32.664513] Killed process 3267 (syz-executor0) total-vm:37832kB, anon-rss:8220kB, file-rss:0kB, shmem-rss:0kB [ 32.665589] kasan: CONFIG_KASAN_INLINE enabled [ 32.665913] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.666316] oom_reaper: reaped process 3267 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 32.667487] general protection fault: 0000 [#1] SMP KASAN [ 32.668029] Dumping ftrace buffer: [ 32.668462] (ftrace buffer empty) [ 32.668887] Modules linked in: [ 32.669185] CPU: 3 PID: 3267 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170816+ #4 [ 32.669860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 32.670647] task: ffff88003c8fa480 task.stack: ffff880039608000 [ 32.671322] RIP: 0010:skb_release_data+0x26c/0x790 [ 32.671876] RSP: 0018:ffff88003960ef20 EFLAGS: 00010a07 [ 32.672403] RAX: 120dc65aa4427444 RBX: dffffc0000000000 RCX: 1ffff100072c1e13 [ 32.672956] RDX: 0000000000000000 RSI: ffff88006df28c90 RDI: 906e32d52213a227 [ 32.673669] RBP: ffff88003960f040 R08: ffffea0001a65d60 R09: ffffed000d27a400 [ 32.674096] R10: 0000000000028c80 R11: 0000000000000010 R12: ffff88006c4807f0 [ 32.674508] R13: ffffed00072c1dfb R14: 1ffff100072c1df3 R15: 906e32d52213a207 [ 32.674928] FS: 00007fd836076700(0000) GS:ffff88006df00000(0000) knlGS:0000000000000000 [ 32.675527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.675924] CR2: 0000000020e39000 CR3: 000000006cc5a000 CR4: 00000000000006e0 [ 32.676492] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.677056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.677615] Call Trace: [ 32.677838] ? __is_insn_slot_addr+0x1fc/0x330 [ 32.678203] ? skb_tx_error+0x2c0/0x2c0 [ 32.678523] ? lock_release+0xa40/0xa40 [ 32.678859] skb_release_all+0x4a/0x60 [ 32.679176] kfree_skb+0x15d/0x4c0 [ 32.679484] ? __netif_receive_skb_core+0x10f8/0x33d0 [ 32.679904] ? __kfree_skb+0x20/0x20 [ 32.680207] ? __free_insn_slot+0x5c0/0x5c0 [ 32.680581] __netif_receive_skb_core+0x10f8/0x33d0 [ 32.681140] ? unwind_get_return_address+0x61/0xa0 [ 32.681686] ? nf_ingress+0x9f0/0x9f0 [ 32.682021] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.682559] ? perf_trace_run_bpf_submit+0x1ae/0x290 [ 32.683200] ? save_stack_trace+0x16/0x20 [ 32.683647] ? save_stack+0x43/0xd0 [ 32.684021] ? kasan_kmalloc+0xad/0xe0 [ 32.684476] ? memset+0x31/0x40 [ 32.684757] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.685130] ? trace_event_raw_event_lock+0x340/0x340 [ 32.685498] ? __skb_flow_dissect+0xfa6/0x3ad0 [ 32.685835] ? __skb_flow_get_ports+0x400/0x400 [ 32.686191] ? trace_event_raw_event_lock+0x340/0x340 [ 32.686610] ? lock_acquire+0x1d5/0x580 [ 32.686896] ? netif_receive_skb_internal+0x1d7/0x5e0 [ 32.687362] ? lock_downgrade+0x990/0x990 [ 32.687733] ? pvclock_read_flags+0x160/0x160 [ 32.688114] ? __build_skb+0x325/0x450 [ 32.688477] ? lock_acquire+0x1d5/0x580 [ 32.688877] ? lock_acquire+0x1d5/0x580 [ 32.689226] ? netif_receive_skb_internal+0x93/0x5e0 [ 32.689722] ? ktime_get_with_offset+0x2c1/0x420 [ 32.690163] ? lock_release+0xa40/0xa40 [ 32.690502] ? do_gettimeofday+0x190/0x190 [ 32.690875] ? __build_skb+0x450/0x450 [ 32.691190] __netif_receive_skb+0x2c/0x1b0 [ 32.691481] ? __netif_receive_skb+0x2c/0x1b0 [ 32.691787] netif_receive_skb_internal+0x10b/0x5e0 [ 32.692135] ? dev_cpu_dead+0xb00/0xb00 [ 32.692407] ? tun_device_event+0xca0/0xca0 [ 32.692704] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.693063] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.693408] netif_receive_skb+0xae/0x390 [ 32.693681] ? netif_receive_skb_internal+0x5e0/0x5e0 [ 32.694030] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.694828] ? perf_trace_run_bpf_submit+0x1a7/0x290 [ 32.695241] ? perf_trace_run_bpf_submit+0x1ae/0x290 [ 32.695697] ? tun_rx_batched.isra.43+0x5bd/0x860 [ 32.696188] tun_rx_batched.isra.43+0x5e7/0x860 [ 32.696615] ? skb_get_hash_perturb+0x9d0/0x9d0 [ 32.697074] ? tun_sock_write_space+0x370/0x370 [ 32.697519] ? tun_free_netdev+0x1b0/0x1b0 [ 32.697941] ? trace_event_raw_event_lock+0x340/0x340 [ 32.698453] tun_get_user+0x11dd/0x2150 [ 32.698867] ? tun_flow_update+0xf70/0xf70 [ 32.699269] ? trace_event_raw_event_lock+0x340/0x340 [ 32.699765] ? lock_acquire+0x1d5/0x580 [ 32.700143] ? lock_acquire+0x1d5/0x580 [ 32.700531] ? __tun_get+0x1ab/0x2e0 [ 32.700903] ? lock_downgrade+0x990/0x990 [ 32.701315] ? lock_release+0xa40/0xa40 [ 32.701677] ? __fget+0x35c/0x570 [ 32.701998] ? __tun_get+0x1d4/0x2e0 [ 32.702317] ? tun_chr_close+0x60/0x60 [ 32.702698] ? release_sock+0x1d4/0x2a0 [ 32.703093] ? trace_hardirqs_on+0xd/0x10 [ 32.703498] tun_chr_write_iter+0xd8/0x190 [ 32.703822] __vfs_write+0x684/0x970 [ 32.704084] ? default_llseek+0x290/0x290 [ 32.704367] ? _cond_resched+0x14/0x30 [ 32.704629] ? avc_policy_seqno+0x9/0x20 [ 32.704897] ? selinux_file_permission+0x82/0x460 [ 32.705241] ? rw_verify_area+0xe5/0x2b0 [ 32.705507] ? __fdget_raw+0x20/0x20 [ 32.705759] vfs_write+0x189/0x510 [ 32.706012] SyS_write+0xef/0x220 [ 32.706251] ? SyS_read+0x220/0x220 [ 32.706497] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.706822] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 32.707149] RIP: 0033:0x40bab1 [ 32.707365] RSP: 002b:00007fd836075c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 32.707876] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 000000000040bab1 [ 32.708362] RDX: 0000000000000011 RSI: 0000000020014fab RDI: 0000000000000003 [ 32.708837] RBP: 0000000000708000 R08: 0000000000000000 R09: 0000000000000000 [ 32.709332] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000ffffffff [ 32.709808] R13: 00000000000002f0 R14: 00000000006e23b0 R15: 0000000020e84000 [ 32.710350] Code: c6 e8 c9 68 8d fd 4c 89 e0 48 c1 e8 03 80 3c 18 00 0f 85 93 04 00 00 4d 8b 3c 24 41 c6 45 00 00 49 8d 7f 20 48 89 f8 48 c1 e8 03 <80> 3c 18 00 0f 85 6b 04 00 00 41 80 7d 00 00 49 8b 47 20 0f 85 [ 32.711802] RIP: skb_release_data+0x26c/0x790 RSP: ffff88003960ef20 [ 32.712258] ---[ end trace fbdd95c9dbd81fa6 ]--- [ 32.712581] Kernel panic - not syncing: Fatal exception in interrupt [ 32.713146] Dumping ftrace buffer: [ 32.713392] (ftrace buffer empty) [ 32.713640] Kernel Offset: disabled [ 32.713889] Rebooting in 86400 seconds..