vmalloc: allocation failure: 0 bytes syz-executor7: page allocation failure: order:0, mode:0x24000c2 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/8837 CPU: 1 PID: 8823 Comm: syz-executor7 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 61a4f08880dbe92b ffff8800b55df8c0 ffffffff81d0408d 1ffff10016abbf1b ffff8800abe34800 00000000024000c2 0000000000000000 0000000000000001 ffff8800b55df9d0 ffffffff81431059 ffffffff838ac620 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] warn_alloc_failed+0x1d9/0x240 mm/page_alloc.c:2757 [] __vmalloc_node_range+0x41d/0x630 mm/vmalloc.c:1692 [] __vmalloc_node mm/vmalloc.c:1715 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1729 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1744 [] sel_write_load+0x130/0xff0 security/selinux/selinuxfs.c:527 [] __vfs_write+0x103/0x450 fs/read_write.c:489 [] vfs_write+0x18a/0x530 fs/read_write.c:538 [] SYSC_write fs/read_write.c:585 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:577 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Mem-Info: active_anon:55126 inactive_anon:44 isolated_anon:0 active_file:3660 inactive_file:8334 isolated_file:0 unevictable:0 dirty:170 writeback:0 unstable:0 slab_reclaimable:6253 slab_unreclaimable:59168 mapped:23895 shmem:51 pagetables:667 bounce:0 free:1473594 free_pcp:424 free_cma:0 DMA free:15904kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15904kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 2911 6411 6411 DMA32 free:2666432kB min:30608kB low:38260kB high:45912kB active_anon:97928kB inactive_anon:84kB active_file:6960kB inactive_file:17424kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982732kB mlocked:0kB dirty:52kB writeback:0kB mapped:43104kB shmem:104kB slab_reclaimable:12316kB slab_unreclaimable:106924kB kernel_stack:2816kB pagetables:1092kB unstable:0kB bounce:0kB free_pcp:832kB local_pcp:304kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3212040kB min:36808kB low:46008kB high:55212kB active_anon:122576kB inactive_anon:92kB active_file:7680kB inactive_file:15912kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:628kB writeback:0kB mapped:52476kB shmem:100kB slab_reclaimable:12696kB slab_unreclaimable:129748kB kernel_stack:2816kB pagetables:1576kB unstable:0kB bounce:0kB free_pcp:864kB local_pcp:572kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 0*4kB 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) = 15904kB DMA32: 376*4kB (ME) 130*8kB (UM) 89*16kB (UME) 49*32kB (UME) 57*64kB (UME) 33*128kB (UM) 17*256kB (M) 13*512kB (UME) 40*1024kB (UME) 2*2048kB (UE) 634*4096kB (M) = 2666336kB Normal: 262*4kB (UME) 113*8kB (UM) 95*16kB (UM) 180*32kB (UME) 149*64kB (UM) 36*128kB (UME) 26*256kB (UME) 13*512kB (UM) 43*1024kB (UME) 3*2048kB (ME) 763*4096kB (M) = 3212112kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12044 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 320145 pages reserved vmalloc: allocation failure: 0 bytes syz-executor7: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 8823 Comm: syz-executor7 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 61a4f08880dbe92b ffff8800b55df8c0 ffffffff81d0408d 1ffff10016abbf1b ffff8800abe34800 00000000024000c2 0000000000000000 0000000000000001 ffff8800b55df9d0 ffffffff81431059 ffffffff838ac620 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] warn_alloc_failed+0x1d9/0x240 mm/page_alloc.c:2757 [] __vmalloc_node_range+0x41d/0x630 mm/vmalloc.c:1692 [] __vmalloc_node mm/vmalloc.c:1715 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1729 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1744 [] sel_write_load+0x130/0xff0 security/selinux/selinuxfs.c:527 [] __vfs_write+0x103/0x450 fs/read_write.c:489 [] vfs_write+0x18a/0x530 fs/read_write.c:538 [] SYSC_write fs/read_write.c:585 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:577 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Mem-Info: active_anon:55621 inactive_anon:42 isolated_anon:0 active_file:3660 inactive_file:8334 isolated_file:0 unevictable:0 dirty:170 writeback:0 unstable:0 slab_reclaimable:6253 slab_unreclaimable:59085 mapped:23883 shmem:49 pagetables:640 bounce:0 free:1472611 free_pcp:465 free_cma:0 DMA free:15904kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15904kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 2911 6411 6411 DMA32 free:2666068kB min:30608kB low:38260kB high:45912kB active_anon:95716kB inactive_anon:80kB active_file:6960kB inactive_file:17424kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982732kB mlocked:0kB dirty:52kB writeback:0kB mapped:43104kB shmem:100kB slab_reclaimable:12316kB slab_unreclaimable:107084kB kernel_stack:3168kB pagetables:1000kB unstable:0kB bounce:0kB free_pcp:1076kB local_pcp:548kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3208472kB min:36808kB low:46008kB high:55212kB active_anon:126768kB inactive_anon:88kB active_file:7680kB inactive_file:15912kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:628kB writeback:0kB mapped:52428kB shmem:96kB slab_reclaimable:12696kB slab_unreclaimable:129256kB kernel_stack:2880kB pagetables:1560kB unstable:0kB bounce:0kB free_pcp:784kB local_pcp:492kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 0*4kB 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) = 15904kB DMA32: 345*4kB (ME) 132*8kB (UM) 89*16kB (UME) 54*32kB (UME) 52*64kB (UME) 33*128kB (UM) 17*256kB (M) 13*512kB (UME) 40*1024kB (UME) 2*2048kB (UE) 634*4096kB (M) = 2666068kB Normal: 262*4kB (UME) 112*8kB (M) 96*16kB (UM) 196*32kB (UME) 149*64kB (UM) 36*128kB (UME) 26*256kB (UME) 13*512kB (UM) 43*1024kB (UME) 1*2048kB (E) 763*4096kB (M) = 3208536kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12042 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 320145 pages reserved caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 8837 Comm: syz-executor0 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 1987af5f2fc7b98c ffff8800abe47648 ffffffff81d0408d 0000000000000000 ffffffff839fe5a0 ffffffff83d0be20 ffff8801c6ef6000 0000000000000003 ffff8800abe47688 ffffffff81d63fe4 ffff8800abe476a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 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+0x188/0x980 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:2058 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fbb/0x3490 net/key/af_key.c:1506 [] pfkey_process+0x68b/0x750 net/key/af_key.c:2834 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] C_SYSC_sendmsg net/compat.c:720 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 tty_warn_deprecated_flags: 'syz-executor0' is using deprecated serial flags (with no effect): 00000400 tty_warn_deprecated_flags: 'syz-executor0' is using deprecated serial flags (with no effect): 00000400 binder: 9115:9120 unknown command 137 binder: 9115:9120 ioctl c0306201 20004000 returned -22 binder: 9115:9129 unknown command 137 binder: 9115:9129 ioctl c0306201 20004000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: binder_alloc_mmap_handler: 9115 20000000-20001000 already mapped failed -16 binder: 9115:9130 ioctl 40046207 0 returned -16 binder_alloc: 9115: binder_alloc_buf, no vma binder: 9115:9131 transaction failed 29189/-3, size 0-0 line 3128 binder: release 9115:9129 transaction 17 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 17, target dead audit: type=1400 audit(1521684835.732:33): avc: denied { transfer } for pid=9227 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 binder: BINDER_SET_CONTEXT_MGR already set binder: 9227:9232 ioctl 40046207 0 returned -16 binder_alloc: 9227: binder_alloc_buf, no vma binder: 9227:9228 transaction failed 29189/-3, size 40-8 line 3128 binder: 9227:9232 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 9227:9228 transaction 20 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 20, target dead audit: type=1400 audit(1521684835.892:34): avc: denied { ioctl } for pid=9248 comm="syz-executor7" path="socket:[20414]" dev="sockfs" ino=20414 ioctlcmd=1f 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_alloc: binder_alloc_mmap_handler: 9276 20000000-20002000 already mapped failed -16 binder: 9356:9358 unknown command -1138469620 binder: 9356:9358 ioctl c0306201 200001c0 returned -22 binder: 9356:9358 transaction failed 29189/-22, size 0-0 line 3005 binder: 9356:9358 unknown command -1138469620 binder: 9356:9358 ioctl c0306201 200001c0 returned -22 binder: 9356:9374 transaction failed 29189/-22, size 0-0 line 3005 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 netlink: 4 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor3'. audit: type=1326 audit(1521684837.732:35): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9637 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf77b8ba9 code=0x0 audit: type=1326 audit(1521684837.772:36): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9637 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf77b8ba9 code=0x0 capability: warning: `syz-executor2' uses deprecated v2 capabilities in a way that may be insecure netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. IPVS: Creating netns size=2552 id=11 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 audit: type=1400 audit(1521684840.192:37): avc: denied { setopt } for pid=10112 comm="syz-executor3" 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 binder_alloc: binder_alloc_mmap_handler: 10112 20001000-20003000 already mapped failed -16 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/10161 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 10161 Comm: syz-executor4 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 90e8e153d83b6b85 ffff8800ba07f648 ffffffff81d0408d 0000000000000001 ffffffff839fe5a0 ffffffff83d0be20 ffff8801d8a54800 0000000000000003 ffff8800ba07f688 ffffffff81d63fe4 ffff8800ba07f6a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 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+0x188/0x980 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:2058 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fbb/0x3490 net/key/af_key.c:1506 [] pfkey_process+0x68b/0x750 net/key/af_key.c:2834 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] C_SYSC_sendmsg net/compat.c:720 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 sd 0:0:1:0: [sg0] tag#18 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#18 CDB: opcode=0x6 sd 0:0:1:0: [sg0] tag#18 CDB[00]: 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#18 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#18 CDB[20]: 00 00 00 sd 0:0:1:0: [sg0] tag#18 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#18 CDB: opcode=0x6 sd 0:0:1:0: [sg0] tag#18 CDB[00]: 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#18 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#18 CDB[20]: 00 00 00 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 10201 Comm: syz-executor4 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d79a1800 task.stack: ffff8800a9ff8000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:218 [inline] RIP: 0010:[] [] atomic_read arch/x86/include/asm/atomic.h:27 [inline] RIP: 0010:[] [] put_page_testzero include/linux/mm.h:357 [inline] RIP: 0010:[] [] __free_pages+0x21/0x90 mm/page_alloc.c:3365 RSP: 0018:ffff8800a9fffa90 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff825b85eb RDX: 1bd5a9d5a0000003 RSI: 0000000000000000 RDI: dead4ead0000001c RBP: ffff8800a9fffaa0 R08: ffffed003850630c R09: ffff8801c2831840 R10: 0000000000000005 R11: ffffed003850630c R12: 0000000000000004 R13: 0000000000000020 R14: ffff8801d7b20000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f6f10b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000844f24c CR3: 00000000af284000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000000 ffff8801d7b20158 ffff8800a9fffb00 ffffffff825b8611 ffff8801d7b20170 ffffed003af6402b ffffed003af6402e ffff8801d7b20168 dead4ead00000000 ffff8801d7b20140 0000000000000000 0000000000000000 Call Trace: [] sg_remove_scat.isra.17+0x1c1/0x2d0 drivers/scsi/sg.c:1954 [] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1835 [] sg_read+0xa1b/0x1490 drivers/scsi/sg.c:537 [] __vfs_read+0x103/0x440 fs/read_write.c:432 [] vfs_read+0x123/0x3a0 fs/read_write.c:454 [] SYSC_read fs/read_write.c:569 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:562 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Code: c6 a0 0c 00 e9 78 fd ff ff 90 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 49 RIP [] __read_once_size include/linux/compiler.h:218 [inline] RIP [] atomic_read arch/x86/include/asm/atomic.h:27 [inline] RIP [] put_page_testzero include/linux/mm.h:357 [inline] RIP [] __free_pages+0x21/0x90 mm/page_alloc.c:3365 RSP ---[ end trace cdf4c2946c7a2a5d ]---