general protection fault, probably for non-canonical address 0xdffffc0000000182: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000c10-0x0000000000000c17] CPU: 0 PID: 6859 Comm: syz-executor.5 Not tainted 5.15.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__ref_is_percpu include/linux/percpu-refcount.h:174 [inline] RIP: 0010:percpu_ref_put_many include/linux/percpu-refcount.h:319 [inline] RIP: 0010:percpu_ref_put+0x93/0x1d0 include/linux/percpu-refcount.h:338 Code: 01 48 c7 c7 40 58 52 8a be b1 02 00 00 48 c7 c2 80 58 52 8a e8 fe 18 e9 ff 49 bd 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 7e 72 52 00 48 8b 2b 48 89 ee 48 RSP: 0018:ffffc90000007b30 EFLAGS: 00010206 RAX: 0000000000000182 RBX: 0000000000000c10 RCX: ffff888083ded580 RDX: 0000000000000100 RSI: 0000000000000004 RDI: ffff8880b9c32508 RBP: 0000000000000037 R08: dffffc0000000000 R09: ffffed10173864a2 R10: ffffed10173864a2 R11: 0000000000000000 R12: ffff888074918000 R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555556e38400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feed2472058 CR3: 0000000084857000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cgroup_bpf_put include/linux/cgroup.h:926 [inline] cgroup_sk_free+0x3c/0xa0 kernel/cgroup/cgroup.c:6613 sk_prot_free net/core/sock.c:1852 [inline] __sk_destruct+0x541/0x820 net/core/sock.c:1943 call_timer_fn+0xf6/0x210 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers+0x71a/0x910 kernel/time/timer.c:1734 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1747 __do_softirq+0x392/0x7a3 kernel/softirq.c:558 __irq_exit_rcu+0xec/0x170 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:lock_acquire+0x21f/0x4d0 kernel/locking/lockdep.c:5629 Code: 08 4c 89 f7 e8 a2 d0 69 00 f6 84 24 81 00 00 00 02 0f 85 13 02 00 00 41 f7 c4 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 04 2f 00 00 00 00 43 c7 44 2f 09 00 00 00 00 43 c7 44 2f 11 RSP: 0018:ffffc900046b6ca0 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff920008d6da4 RCX: ffff888083dedf70 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900046b6e00 R08: dffffc0000000000 R09: fffffbfff1fa31c3 R10: fffffbfff1fa31c3 R11: 0000000000000000 R12: 0000000000000246 R13: 1ffff920008d6d9c R14: ffffc900046b6d20 R15: dffffc0000000000 __fs_reclaim_acquire mm/page_alloc.c:4539 [inline] fs_reclaim_acquire+0x77/0x110 mm/page_alloc.c:4553 prepare_alloc_pages+0x151/0x5a0 mm/page_alloc.c:5151 __alloc_pages+0x161/0x580 mm/page_alloc.c:5364 __alloc_pages_bulk+0x1ca/0x1210 mm/page_alloc.c:5321 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline] vm_area_alloc_pages mm/vmalloc.c:2838 [inline] __vmalloc_area_node mm/vmalloc.c:2917 [inline] __vmalloc_node_range+0x3cf/0x890 mm/vmalloc.c:3020 __vmalloc_node mm/vmalloc.c:3069 [inline] vzalloc+0x75/0x80 mm/vmalloc.c:3139 alloc_counters+0xd2/0x800 net/ipv6/netfilter/ip6_tables.c:816 copy_entries_to_user net/ipv6/netfilter/ip6_tables.c:838 [inline] get_entries net/ipv6/netfilter/ip6_tables.c:1040 [inline] do_ip6t_get_ctl+0xf57/0x1f40 net/ipv6/netfilter/ip6_tables.c:1671 nf_getsockopt+0x2ab/0x2d0 net/netfilter/nf_sockopt.c:116 ipv6_getsockopt+0x4ae/0x3f30 net/ipv6/ipv6_sockglue.c:1486 __sys_getsockopt+0x29f/0x560 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __x64_sys_getsockopt+0xb1/0xc0 net/socket.c:2232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7feed2392d1a Code: 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 37 00 00 00 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:00007ffecc531c88 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007feed2392d1a RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007ffecc531cb0 R08: 00007ffecc531cac R09: ffff000000000000 R10: 00007ffecc531d10 R11: 0000000000000212 R12: 00007ffecc531d10 R13: 0000000000000003 R14: 00007ffecc531cac R15: 00007feed2472660 Modules linked in: ---[ end trace 3db7fed218d3e344 ]--- RIP: 0010:__ref_is_percpu include/linux/percpu-refcount.h:174 [inline] RIP: 0010:percpu_ref_put_many include/linux/percpu-refcount.h:319 [inline] RIP: 0010:percpu_ref_put+0x93/0x1d0 include/linux/percpu-refcount.h:338 Code: 01 48 c7 c7 40 58 52 8a be b1 02 00 00 48 c7 c2 80 58 52 8a e8 fe 18 e9 ff 49 bd 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 7e 72 52 00 48 8b 2b 48 89 ee 48 RSP: 0018:ffffc90000007b30 EFLAGS: 00010206 RAX: 0000000000000182 RBX: 0000000000000c10 RCX: ffff888083ded580 RDX: 0000000000000100 RSI: 0000000000000004 RDI: ffff8880b9c32508 RBP: 0000000000000037 R08: dffffc0000000000 R09: ffffed10173864a2 R10: ffffed10173864a2 R11: 0000000000000000 R12: ffff888074918000 R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555556e38400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feed2472058 CR3: 0000000084857000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 c7 c7 40 58 52 8a mov $0xffffffff8a525840,%rdi 7: be b1 02 00 00 mov $0x2b1,%esi c: 48 c7 c2 80 58 52 8a mov $0xffffffff8a525880,%rdx 13: e8 fe 18 e9 ff callq 0xffe91916 18: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13 1f: fc ff df 22: 48 89 d8 mov %rbx,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 48 89 df mov %rbx,%rdi 33: e8 7e 72 52 00 callq 0x5272b6 38: 48 8b 2b mov (%rbx),%rbp 3b: 48 89 ee mov %rbp,%rsi 3e: 48 rex.W