================================ WARNING: inconsistent lock state 4.18.0+ #189 Not tainted -------------------------------- inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. syz-executor1/19716 [HC0[0]:SC0[0]:HE1:SE1] takes: 000000004699a14f (&(&tlocks[i])->rlock){+.?.}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000004699a14f (&(&tlocks[i])->rlock){+.?.}, at: ila_add_mapping net/ipv6/ila/ila_xlat.c:233 [inline] 000000004699a14f (&(&tlocks[i])->rlock){+.?.}, at: ila_xlat_nl_cmd_add_mapping+0x6bb/0x17e0 net/ipv6/ila/ila_xlat.c:355 {IN-SOFTIRQ-W} state was registered at: lock_acquire+0x1e4/0x540 kernel/locking/lockdep.c:3924 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] __rhashtable_insert_fast include/linux/rhashtable.h:596 [inline] rhashtable_lookup_insert_fast include/linux/rhashtable.h:784 [inline] fdb_create+0x5cc/0x1710 net/bridge/br_fdb.c:508 br_fdb_update+0x4e7/0xd40 net/bridge/br_fdb.c:605 br_handle_frame_finish+0xa23/0x1960 net/bridge/br_input.c:97 br_nf_hook_thresh+0x48d/0x5f0 net/bridge/br_netfilter_hooks.c:1011 br_nf_pre_routing_finish_ipv6+0x7bc/0xef0 net/bridge/br_netfilter_ipv6.c:209 NF_HOOK include/linux/netfilter.h:287 [inline] br_nf_pre_routing_ipv6+0x4af/0xac0 net/bridge/br_netfilter_ipv6.c:237 br_nf_pre_routing+0xb33/0x17d0 net/bridge/br_netfilter_hooks.c:494 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xc2/0x1c0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:242 [inline] NF_HOOK include/linux/netfilter.h:285 [inline] br_handle_frame+0xc0d/0x1a20 net/bridge/br_input.c:303 __netif_receive_skb_core+0x1455/0x3af0 net/core/dev.c:4821 __netif_receive_skb_one_core+0xd0/0x200 net/core/dev.c:4890 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:5002 process_backlog+0x219/0x760 net/core/dev.c:5808 napi_poll net/core/dev.c:6228 [inline] net_rx_action+0x7a5/0x1920 net/core/dev.c:6294 __do_softirq+0x2eb/0xb1e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x1d6/0x210 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x18e/0x730 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 arch_local_irq_restore arch/x86/include/asm/paravirt.h:783 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0xa1/0xc0 kernel/locking/spinlock.c:184 __debug_check_no_obj_freed lib/debugobjects.c:799 [inline] debug_check_no_obj_freed+0x30b/0x595 lib/debugobjects.c:818 free_pages_prepare mm/page_alloc.c:1028 [inline] free_pcp_prepare mm/page_alloc.c:1042 [inline] free_unref_page_prepare mm/page_alloc.c:2733 [inline] free_unref_page+0x35b/0x9a0 mm/page_alloc.c:2782 __put_single_page mm/swap.c:80 [inline] __put_page+0x122/0x190 mm/swap.c:114 put_page include/linux/mm.h:942 [inline] free_page_and_swap_cache+0x4e6/0x760 mm/swap_state.c:304 __tlb_remove_table arch/x86/include/asm/tlb.h:30 [inline] tlb_remove_table+0x247/0x3a0 mm/memory.c:389 ___pte_free_tlb+0xfe/0x140 arch/x86/mm/pgtable.c:66 __pte_free_tlb arch/x86/include/asm/pgalloc.h:73 [inline] free_pte_range mm/memory.c:452 [inline] free_pmd_range mm/memory.c:470 [inline] free_pud_range mm/memory.c:504 [inline] free_p4d_range mm/memory.c:538 [inline] free_pgd_range+0x9b6/0xf50 mm/memory.c:618 free_pgtables+0x2c3/0x380 mm/memory.c:650 exit_mmap+0x2d1/0x5b0 mm/mmap.c:3095 __mmput kernel/fork.c:998 [inline] mmput+0x265/0x620 kernel/fork.c:1019 exit_mm kernel/exit.c:544 [inline] do_exit+0xec6/0x2760 kernel/exit.c:852 do_group_exit+0x177/0x440 kernel/exit.c:968 __do_sys_exit_group kernel/exit.c:979 [inline] __se_sys_exit_group kernel/exit.c:977 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:977 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe irq event stamp: 653 hardirqs last enabled at (653): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (653): [] _raw_spin_unlock_irqrestore+0x74/0xc0 kernel/locking/spinlock.c:184 hardirqs last disabled at (652): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (652): [] _raw_spin_lock_irqsave+0x74/0xc0 kernel/locking/spinlock.c:152 softirqs last enabled at (628): [] __do_softirq+0x787/0xb1e kernel/softirq.c:318 softirqs last disabled at (611): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (611): [] irq_exit+0x1d6/0x210 kernel/softirq.c:412 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&tlocks[i])->rlock); lock(&(&tlocks[i])->rlock); *** DEADLOCK *** 1 lock held by syz-executor1/19716: #0: 000000002354dc9c (cb_lock){++++}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:636 stack backtrace: CPU: 0 PID: 19716 Comm: syz-executor1 Not tainted 4.18.0+ #189 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 print_usage_bug.cold.63+0x320/0x41a kernel/locking/lockdep.c:2546 valid_state kernel/locking/lockdep.c:2559 [inline] mark_lock_irq kernel/locking/lockdep.c:2753 [inline] mark_lock+0x1048/0x19f0 kernel/locking/lockdep.c:3151 mark_irqflags kernel/locking/lockdep.c:3047 [inline] __lock_acquire+0x7ca/0x5020 kernel/locking/lockdep.c:3392 lock_acquire+0x1e4/0x540 kernel/locking/lockdep.c:3924 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] ila_add_mapping net/ipv6/ila/ila_xlat.c:233 [inline] ila_xlat_nl_cmd_add_mapping+0x6bb/0x17e0 net/ipv6/ila/ila_xlat.c:355 genl_family_rcv_msg+0x8a3/0x1140 net/netlink/genetlink.c:601 genl_rcv_msg+0xc6/0x168 net/netlink/genetlink.c:626 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2454 genl_rcv+0x28/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x5a0/0x760 net/netlink/af_netlink.c:1343 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2114 __sys_sendmsg+0x11d/0x290 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f433a1d4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f433a1d56d4 RCX: 0000000000457089 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d4088 R14: 00000000004c8ab0 R15: 0000000000000000 sctp: [Deprecated]: syz-executor3 (pid 19781) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 19786) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead netlink: 'syz-executor6': attribute type 62 has an invalid length. netlink: 'syz-executor6': attribute type 62 has an invalid length. sctp: [Deprecated]: syz-executor3 (pid 19820) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead IPVS: length: 175 != 8 IPVS: length: 175 != 8 (unnamed net_device) (uninitialized): option arp_validate: invalid value (18446744073709551615) IPVS: ftp: loaded support on port[0] = 21 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 20160 Comm: syz-executor6 Not tainted 4.18.0+ #189 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x11 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x26f/0x770 mm/slab.c:3661 kmalloc_node include/linux/slab.h:551 [inline] kzalloc_node include/linux/slab.h:718 [inline] __get_vm_area_node+0x12d/0x390 mm/vmalloc.c:1389 __vmalloc_node_range+0xc4/0x760 mm/vmalloc.c:1741 __vmalloc_node mm/vmalloc.c:1791 [inline] __vmalloc_node_flags mm/vmalloc.c:1805 [inline] vzalloc+0x6f/0x80 mm/vmalloc.c:1844 ethtool_get_stats net/core/ethtool.c:1956 [inline] dev_ethtool+0x109c/0x7370 net/core/ethtool.c:2732 dev_ioctl+0x232/0xcc0 net/core/dev_ioctl.c:423 sock_do_ioctl+0x1d3/0x3e0 net/socket.c:972 sock_ioctl+0x30d/0x680 net/socket.c:1073 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7b804eac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7b804eb6d4 RCX: 0000000000457089 RDX: 0000000020000180 RSI: 0000000000008946 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000004d1958 R14: 00000000004c7310 R15: 0000000000000000 syz-executor6: vmalloc: allocation failure: 8 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor6 cpuset=syz6 mems_allowed=0 CPU: 1 PID: 20160 Comm: syz-executor6 Not tainted 4.18.0+ #189 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3427 __vmalloc_node_range+0x472/0x760 mm/vmalloc.c:1762 __vmalloc_node mm/vmalloc.c:1791 [inline] __vmalloc_node_flags mm/vmalloc.c:1805 [inline] vzalloc+0x6f/0x80 mm/vmalloc.c:1844 ethtool_get_stats net/core/ethtool.c:1956 [inline] dev_ethtool+0x109c/0x7370 net/core/ethtool.c:2732 dev_ioctl+0x232/0xcc0 net/core/dev_ioctl.c:423 sock_do_ioctl+0x1d3/0x3e0 net/socket.c:972 sock_ioctl+0x30d/0x680 net/socket.c:1073 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7b804eac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7b804eb6d4 RCX: 0000000000457089 RDX: 0000000020000180 RSI: 0000000000008946 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000004d1958 R14: 00000000004c7310 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:49726 inactive_anon:338 isolated_anon:0 active_file:4579 inactive_file:10052 isolated_file:0 unevictable:0 dirty:59 writeback:0 unstable:0 slab_reclaimable:11484 slab_unreclaimable:103873 mapped:71609 shmem:345 pagetables:932 bounce:0 free:1356758 free_pcp:510 free_cma:0 Node 0 active_anon:198904kB inactive_anon:1352kB active_file:18316kB inactive_file:40208kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:286436kB dirty:236kB writeback:0kB shmem:1380kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 lowmem_reserve[]: 0 2844 6351 6351 Node 0 DMA32 free:2915992kB min:30192kB low:37740kB high:45288kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2916620kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:628kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3507 3507 Node 0 Normal free:2495132kB min:37224kB low:46528kB high:55832kB active_anon:198904kB inactive_anon:1352kB active_file:18316kB inactive_file:40208kB unevictable:0kB writepending:236kB present:4718592kB managed:3591236kB mlocked:0kB kernel_stack:5824kB pagetables:3728kB bounce:0kB free_pcp:1412kB local_pcp:632kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 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 DMA32: 2*4kB (M) 4*8kB (M) 3*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 4*256kB (M) 2*512kB (M) 1*1024kB (M) 2*2048kB (M) 710*4096kB (M) = 2915992kB Node 0 Normal: 3645*4kB (UME) 819*8kB (UM) 668*16kB (UME) 1095*32kB (UME) 251*64kB (UM) 25*128kB (UM) 4*256kB (UME) 95*512kB (UME) 58*1024kB (UM) 3*2048kB (UME) 560*4096kB (UM) = 2495084kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 14975 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 335028 pages reserved IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 20351 Comm: syz-executor3 Not tainted 4.18.0+ #189 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x11 lib/fault-inject.c:149 IPVS: ftp: loaded support on port[0] = 21 should_fail_alloc_page mm/page_alloc.c:3058 [inline] prepare_alloc_pages mm/page_alloc.c:4326 [inline] __alloc_pages_nodemask+0x36e/0xdb0 mm/page_alloc.c:4364 __alloc_pages include/linux/gfp.h:456 [inline] __alloc_pages_node include/linux/gfp.h:469 [inline] alloc_pages_vma+0x3a0/0x540 mm/mempolicy.c:2049 do_huge_pmd_anonymous_page+0x61c/0x1b70 mm/huge_memory.c:719 create_huge_pmd mm/memory.c:3885 [inline] __handle_mm_fault+0x2cbf/0x4360 mm/memory.c:4089 handle_mm_fault+0x53e/0xc80 mm/memory.c:4155 __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1394 do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1469 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:66 Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a RSP: 0018:ffff8801980c7628 EFLAGS: 00010202 RAX: ffffed0033018f44 RBX: 0000000000000020 RCX: 0000000000000004 RDX: 0000000000000000 RSI: ffff8801980c7a00 RDI: 0000000020c86000 RBP: ffff8801980c7660 R08: 0000000000000000 R09: ffffed0033018f40 R10: ffffed0033018f43 R11: ffff8801980c7a1f R12: 0000000020c86020 R13: 0000000020c86000 R14: ffff8801980c7a00 R15: 00007ffffffff000 copy_to_user include/linux/uaccess.h:155 [inline] do_ipv6_getsockopt.isra.6+0x1220/0x3500 net/ipv6/ipv6_sockglue.c:1310 ipv6_getsockopt+0x146/0x320 net/ipv6/ipv6_sockglue.c:1372 tcp_getsockopt+0x93/0xe0 net/ipv4/tcp.c:3583 sock_common_getsockopt+0x9a/0xe0 net/core/sock.c:2997 __sys_getsockopt+0x1ad/0x390 net/socket.c:1937 __do_sys_getsockopt net/socket.c:1948 [inline] __se_sys_getsockopt net/socket.c:1945 [inline] __x64_sys_getsockopt+0xbe/0x150 net/socket.c:1945 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7f2f4dfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007f7f2f4e06d4 RCX: 0000000000457089 RDX: 000000000000003d RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000020000040 R09: 0000000000000000 R10: 0000000020c86000 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000004cc468 R14: 00000000004c394a R15: 0000000000000000 IPVS: ftp: loaded support on port[0] = 21 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 20425 Comm: syz-executor3 Not tainted 4.18.0+ #189 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x11 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3058 [inline] prepare_alloc_pages mm/page_alloc.c:4326 [inline] __alloc_pages_nodemask+0x36e/0xdb0 mm/page_alloc.c:4364 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:492 [inline] pte_alloc_one+0x1b/0x1a0 arch/x86/mm/pgtable.c:35 __do_huge_pmd_anonymous_page mm/huge_memory.c:561 [inline] do_huge_pmd_anonymous_page+0x8be/0x1b70 mm/huge_memory.c:725 create_huge_pmd mm/memory.c:3885 [inline] __handle_mm_fault+0x2cbf/0x4360 mm/memory.c:4089 handle_mm_fault+0x53e/0xc80 mm/memory.c:4155 __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1394 do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1469 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:66 Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a RSP: 0018:ffff8801980c7628 EFLAGS: 00010202 RAX: ffffed0033018f44 RBX: 0000000000000020 RCX: 0000000000000004 RDX: 0000000000000000 RSI: ffff8801980c7a00 RDI: 0000000020c86000 RBP: ffff8801980c7660 R08: 0000000000000000 R09: ffffed0033018f40 R10: ffffed0033018f43 R11: ffff8801980c7a1f R12: 0000000020c86020 R13: 0000000020c86000 R14: ffff8801980c7a00 R15: 00007ffffffff000 copy_to_user include/linux/uaccess.h:155 [inline] do_ipv6_getsockopt.isra.6+0x1220/0x3500 net/ipv6/ipv6_sockglue.c:1310 ipv6_getsockopt+0x146/0x320 net/ipv6/ipv6_sockglue.c:1372 tcp_getsockopt+0x93/0xe0 net/ipv4/tcp.c:3583 sock_common_getsockopt+0x9a/0xe0 net/core/sock.c:2997 __sys_getsockopt+0x1ad/0x390 net/socket.c:1937 __do_sys_getsockopt net/socket.c:1948 [inline] __se_sys_getsockopt net/socket.c:1945 [inline] __x64_sys_getsockopt+0xbe/0x150 net/socket.c:1945 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7f2f4dfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007f7f2f4e06d4 RCX: 0000000000457089 RDX: 000000000000003d RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000020000040 R09: 0000000000000000 R10: 0000000020c86000 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000004cc468 R14: 00000000004c394a R15: 0000000000000001 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 20475 Comm: syz-executor3 Not tainted 4.18.0+ #189 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x11 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552 ptlock_alloc+0x20/0x80 mm/memory.c:4746 ptlock_init include/linux/mm.h:1877 [inline] pgtable_page_ctor include/linux/mm.h:1911 [inline] pte_alloc_one+0x6b/0x1a0 arch/x86/mm/pgtable.c:38 __do_huge_pmd_anonymous_page mm/huge_memory.c:561 [inline] do_huge_pmd_anonymous_page+0x8be/0x1b70 mm/huge_memory.c:725 create_huge_pmd mm/memory.c:3885 [inline] __handle_mm_fault+0x2cbf/0x4360 mm/memory.c:4089 IPVS: ftp: loaded support on port[0] = 21 handle_mm_fault+0x53e/0xc80 mm/memory.c:4155 __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1394 do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1469 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:66 Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a RSP: 0018:ffff8801bedcf628 EFLAGS: 00010202 RAX: ffffed0037db9f44 RBX: 0000000000000020 RCX: 0000000000000004 RDX: 0000000000000000 RSI: ffff8801bedcfa00 RDI: 0000000020c86000 RBP: ffff8801bedcf660 R08: 0000000000000000 R09: ffffed0037db9f40 R10: ffffed0037db9f43 R11: ffff8801bedcfa1f R12: 0000000020c86020 R13: 0000000020c86000 R14: ffff8801bedcfa00 R15: 00007ffffffff000 IPVS: ftp: loaded support on port[0] = 21 copy_to_user include/linux/uaccess.h:155 [inline] do_ipv6_getsockopt.isra.6+0x1220/0x3500 net/ipv6/ipv6_sockglue.c:1310 ipv6_getsockopt+0x146/0x320 net/ipv6/ipv6_sockglue.c:1372 tcp_getsockopt+0x93/0xe0 net/ipv4/tcp.c:3583 sock_common_getsockopt+0x9a/0xe0 net/core/sock.c:2997 __sys_getsockopt+0x1ad/0x390 net/socket.c:1937