binder: undelivered TRANSACTION_ERROR: 29201 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/9998 syz-executor2: vmalloc: allocation failure: 17178820608 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 10000 Comm: syz-executor2 Not tainted 4.9.77-ge12a9c4 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b3707880 ffffffff81d941c9 1ffff100366e0f13 ffff8801c5064800 ffffffff83ab8e20 0000000000000001 0000000000400000 ffff8801b3707990 ffffffff81451af2 024000c200000003 0000000041b58ab3 ffffffff84195265 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x21a/0x1e80 net/ipv6/netfilter/ip6_tables.c:730 [] ? 0xffffffff810002b8 [] do_replace net/ipv6/netfilter/ip6_tables.c:1182 [inline] [] do_ip6t_set_ctl+0x2be/0x470 net/ipv6/netfilter/ip6_tables.c:1708 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:912 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2737 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:58274 inactive_anon:44 isolated_anon:0 active_file:3540 inactive_file:8027 isolated_file:0 unevictable:0 dirty:170 writeback:0 unstable:0 slab_reclaimable:6397 slab_unreclaimable:61080 mapped:23737 shmem:51 pagetables:678 bounce:0 free:1469274 free_pcp:362 free_cma:0 Node 0 active_anon:233096kB inactive_anon:176kB active_file:14160kB inactive_file:32108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:94948kB dirty:680kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 81920kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32 free:2980124kB min:30596kB low:38244kB high:45892kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2980760kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:0kB free_cma:0kB Normal free:2881064kB min:36824kB low:46028kB high:55232kB active_anon:233096kB inactive_anon:176kB active_file:14160kB inactive_file:32108kB unevictable:0kB writepending:680kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:25588kB slab_unreclaimable:244320kB kernel_stack:5888kB pagetables:2712kB bounce:0kB free_pcp:812kB local_pcp:280kB free_cma:0kB DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11617 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 320509 pages reserved syz-executor2: vmalloc: allocation failure: 17178820608 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 10001 Comm: syz-executor2 Not tainted 4.9.77-ge12a9c4 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c6777880 ffffffff81d941c9 1ffff10038ceef13 ffff8801c5061800 ffffffff83ab8e20 0000000000000001 0000000000400000 ffff8801c6777990 ffffffff81451af2 024000c200000003 0000000041b58ab3 ffffffff84195265 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x21a/0x1e80 net/ipv6/netfilter/ip6_tables.c:730 [] ? 0xffffffff810002b8 [] do_replace net/ipv6/netfilter/ip6_tables.c:1182 [inline] [] do_ip6t_set_ctl+0x2be/0x470 net/ipv6/netfilter/ip6_tables.c:1708 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:912 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2737 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:56202 inactive_anon:44 isolated_anon:0 active_file:3540 inactive_file:8027 isolated_file:0 unevictable:0 dirty:170 writeback:0 unstable:0 slab_reclaimable:6397 slab_unreclaimable:61080 mapped:23737 shmem:51 pagetables:678 bounce:0 free:1471340 free_pcp:411 free_cma:0 Node 0 active_anon:224808kB inactive_anon:176kB active_file:14160kB inactive_file:32108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:94948kB dirty:680kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 81920kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32 free:2980124kB min:30596kB low:38244kB high:45892kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2980760kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:0kB free_cma:0kB Normal free:2889328kB min:36824kB low:46028kB high:55232kB active_anon:224808kB inactive_anon:176kB active_file:14160kB inactive_file:32108kB unevictable:0kB writepending:680kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:25588kB slab_unreclaimable:244320kB kernel_stack:5824kB pagetables:2712kB bounce:0kB free_pcp:1008kB local_pcp:476kB free_cma:0kB DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11617 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 320509 pages reserved binder: 9933:9950 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 9933:9950 unknown command 536907575 binder: 9933:9950 ioctl c0306201 20008fd0 returned -22 binder: 9933:9985 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 9933:9950 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 9933:9985 BC_DEAD_BINDER_DONE 0000000000000003 not found caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 9998 Comm: syz-executor5 Not tainted 4.9.77-ge12a9c4 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c055f490 ffffffff81d941c9 0000000000000000 ffffffff83c18800 ffffffff83f45400 ffff8801c5066000 0000000000000003 ffff8801c055f4d0 ffffffff81dfb794 ffff8801c055f4e8 ffffffff83f45400 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:639 [] xfrm_user_rcv_msg+0x413/0x6a0 net/xfrm/xfrm_user.c:2525 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2351 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533 [] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] [] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] entry_SYSCALL_64_fastpath+0x29/0xe8 IPVS: Creating netns size=2536 id=14 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads IPVS: Creating netns size=2536 id=15 netlink: 9 bytes leftover after parsing attributes in process `+'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. netlink: 9 bytes leftover after parsing attributes in process `+'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads device lo entered promiscuous mode audit: type=1400 audit(1516657328.360:65): avc: denied { setgid } for pid=10223 comm="syz-executor1" capability=6 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 binder: BINDER_SET_CONTEXT_MGR already set binder: 10292:10302 ioctl 40046207 0 returned -16 audit: type=1400 audit(1516657328.960:66): avc: denied { create } for pid=10339 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_iscsi_socket permissive=1 IPVS: Creating netns size=2536 id=16 audit: type=1400 audit(1516657330.580:67): avc: denied { setuid } for pid=10581 comm="syz-executor4" capability=7 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 netlink: 68 bytes leftover after parsing attributes in process `syz-executor3'. binder: 10701:10714 ioctl 54a0 0 returned -22 audit: type=1400 audit(1516657331.060:68): avc: denied { read } for pid=10700 comm="syz-executor5" path="socket:[19033]" dev="sockfs" ino=19033 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 binder: 10701:10734 BC_INCREFS_DONE uffffffffffffffff no match binder: BINDER_SET_CONTEXT_MGR already set binder: 10736:10739 ioctl 40046207 0 returned -16 binder_alloc: 10701: binder_alloc_buf, no vma binder: 10736:10739 transaction failed 29189/-3, size 0-0 line 3127 IPVS: Creating netns size=2536 id=17 binder: BINDER_SET_CONTEXT_MGR already set binder: 10736:10739 ioctl 40046207 0 returned -16 binder_alloc: 10701: binder_alloc_buf, no vma binder: 10736:10748 transaction failed 29189/-3, size 0-0 line 3127 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: 10701:10756 ioctl 54a0 0 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 10701:10756 ioctl 40046207 0 returned -16 pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) IPVS: Creating netns size=2536 id=18 binder: 10701:10756 BC_INCREFS_DONE uffffffffffffffff no match tc_dump_action: action bad kind netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. SELinux: ebitmap: truncated map SELinux: ebitmap: truncated map netlink: 9 bytes leftover after parsing attributes in process `syz-executor7'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. IPVS: Creating netns size=2536 id=19 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads binder: 10988:10997 ioctl 40086602 0 returned -22 binder: 10993:11002 got transaction with invalid offset (0, min 0 max 65351) or object. binder: 10993:11002 transaction failed 29201/-22, size 65351-8 line 3190 binder: 10993:11002 got transaction with unaligned buffers size, 58534 binder: 10993:11002 transaction failed 29201/-22, size 0-0 line 3172 binder: 10993:11002 ioctl 401 2023b000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 10993:11002 ioctl 40046207 0 returned -16 binder_alloc: 10993: binder_alloc_buf, no vma binder: 10993:11002 transaction failed 29189/-3, size 65351-8 line 3127 binder_alloc: 10993: binder_alloc_buf, no vma binder: 10993:11006 transaction failed 29189/-3, size 0-0 line 3127 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: 10988:11026 ioctl 40086602 0 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 11068:11075 ioctl 40046207 0 returned -16 binder_alloc: 11068: binder_alloc_buf, no vma binder: 11068:11094 transaction failed 29189/-3, size 0-0 line 3127 binder: 11068:11090 got reply transaction with no transaction stack binder: 11068:11090 transaction failed 29201/-71, size 0-0 line 2920 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 121, process died. binder: undelivered transaction 122, process died. device syz7 entered promiscuous mode audit: type=1400 audit(1516657333.440:69): avc: denied { accept } for pid=11132 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 device syz7 left promiscuous mode binder_alloc: binder_alloc_mmap_handler: 11212 203ad000-203c1000 already mapped failed -16 FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 11245 Comm: syz-executor1 Not tainted 4.9.77-ge12a9c4 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6a1f960 ffffffff81d941c9 ffff8801d6a1fc40 0000000000000000 ffff8801c89dc890 ffff8801d6a1fb30 ffff8801c89dc780 ffff8801d6a1fb58 ffffffff81661c5a 0000000000002a2e ffff8801d5a368f0 ffff8801d5a368a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1044 [] entry_SYSCALL_64_fastpath+0x29/0xe8 CPU: 1 PID: 11261 Comm: syz-executor1 Not tainted 4.9.77-ge12a9c4 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b29976e0 ffffffff81d941c9 ffff8801b29979c0 0000000000000000 ffff8801c89dc890 ffff8801b29978b0 ffff8801c89dc780 ffff8801b29978d8 ffffffff81661c5a 0000000000002a2e ffff8801d59768f0 ffff8801d59768a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1044 [] vfs_ioctl fs/ioctl.c:43 [inline] [] do_vfs_ioctl+0x1aa/0x1140 fs/ioctl.c:679 [] SYSC_ioctl fs/ioctl.c:694 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] entry_SYSCALL_64_fastpath+0x29/0xe8 netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 sg_write: data in/out 458716/236 bytes for SCSI command 0x0-- guessing data in; program syz-executor7 not setting count and/or reply_len properly FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 11402 Comm: syz-executor6 Not tainted 4.9.77-ge12a9c4 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d4f9f370 ffffffff81d941c9 ffff8801d4f9f650 0000000000000000 ffff8801d0ea9d90 ffff8801d4f9f540 ffff8801d0ea9c80 ffff8801d4f9f568 ffffffff81661c5a 0000000000007968 ffff8801d5f42168 ffff8801d5f420a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1044 [] generic_perform_write+0x1dc/0x500 mm/filemap.c:2731 [] __generic_file_write_iter+0x348/0x570 mm/filemap.c:2866