general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 1 PID: 17285 Comm: syz-executor.2 Not tainted 5.16.0-next-20220113-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:_compound_head include/linux/page-flags.h:263 [inline] RIP: 0010:page_memcg include/linux/memcontrol.h:452 [inline] RIP: 0010:mod_memcg_page_state.part.0.constprop.0+0x28/0x5b0 include/linux/memcontrol.h:957 Code: 00 90 41 56 41 55 41 54 41 89 f4 55 48 89 fd 53 4c 8d 6d 08 e8 39 eb c1 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 11 05 00 00 4c 8b 75 08 31 ff 4c 89 f3 83 e3 01 RSP: 0018:ffffc9000b7676b0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90004392000 RDX: 0000000000000001 RSI: ffffffff81b673d7 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff81b79260 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000008 R14: ffff88807dbd7328 R15: ffff88807dbd7300 FS: 00007f7aeab01700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa097110058 CR3: 0000000021b57000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mod_memcg_page_state mm/vmalloc.c:2971 [inline] __vmalloc_area_node mm/vmalloc.c:2971 [inline] __vmalloc_node_range+0x678/0xf80 mm/vmalloc.c:3106 __vmalloc_node mm/vmalloc.c:3156 [inline] vmalloc+0x67/0x80 mm/vmalloc.c:3197 netlink_alloc_large_skb net/netlink/af_netlink.c:1194 [inline] netlink_sendmsg+0x687/0xe00 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:725 sock_no_sendpage+0xf6/0x140 net/core/sock.c:3088 kernel_sendpage.part.0+0x1ff/0x7b0 net/socket.c:3492 kernel_sendpage net/socket.c:3489 [inline] sock_sendpage+0xe5/0x140 net/socket.c:1007 pipe_to_sendpage+0x2ad/0x380 fs/splice.c:364 splice_from_pipe_feed fs/splice.c:418 [inline] __splice_from_pipe+0x43e/0x8a0 fs/splice.c:562 splice_from_pipe fs/splice.c:597 [inline] generic_splice_sendpage+0xd4/0x140 fs/splice.c:746 do_splice_from fs/splice.c:767 [inline] do_splice+0xb7e/0x1960 fs/splice.c:1079 __do_splice+0x134/0x250 fs/splice.c:1144 __do_sys_splice fs/splice.c:1350 [inline] __se_sys_splice fs/splice.c:1332 [inline] __x64_sys_splice+0x198/0x250 fs/splice.c:1332 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f7aec18beb9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7aeab01168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 00007f7aec29ef60 RCX: 00007f7aec18beb9 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f7aeab011d0 R08: 000000000004ffe6 R09: 0000000000000007 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe64ec2c6f R14: 00007f7aeab01300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_compound_head include/linux/page-flags.h:263 [inline] RIP: 0010:page_memcg include/linux/memcontrol.h:452 [inline] RIP: 0010:mod_memcg_page_state.part.0.constprop.0+0x28/0x5b0 include/linux/memcontrol.h:957 Code: 00 90 41 56 41 55 41 54 41 89 f4 55 48 89 fd 53 4c 8d 6d 08 e8 39 eb c1 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 11 05 00 00 4c 8b 75 08 31 ff 4c 89 f3 83 e3 01 RSP: 0018:ffffc9000b7676b0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90004392000 RDX: 0000000000000001 RSI: ffffffff81b673d7 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff81b79260 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000008 R14: ffff88807dbd7328 R15: ffff88807dbd7300 FS: 00007f7aeab01700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa097110058 CR3: 0000000021b57000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 90 41 56 41 55 add %dl,0x55415641(%rax) 6: 41 54 push %r12 8: 41 89 f4 mov %esi,%r12d b: 55 push %rbp c: 48 89 fd mov %rdi,%rbp f: 53 push %rbx 10: 4c 8d 6d 08 lea 0x8(%rbp),%r13 14: e8 39 eb c1 ff callq 0xffc1eb52 19: 4c 89 ea mov %r13,%rdx 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 11 05 00 00 jne 0x545 34: 4c 8b 75 08 mov 0x8(%rbp),%r14 38: 31 ff xor %edi,%edi 3a: 4c 89 f3 mov %r14,%rbx 3d: 83 e3 01 and $0x1,%ebx