------------[ cut here ]------------ WARNING: CPU: 1 PID: 8355 at net/core/gen_stats.c:157 gnet_stats_add_basic+0x4d/0x2a0 net/core/gen_stats.c:157 Modules linked in: CPU: 1 PID: 8355 Comm: syz-executor.1 Not tainted 5.15.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:gnet_stats_add_basic+0x4d/0x2a0 net/core/gen_stats.c:157 Code: 0f 84 69 01 00 00 e8 52 a1 59 fa 31 ff 65 8b 2d b9 ab e4 78 81 e5 00 01 ff 00 89 ee e8 7c a8 59 fa 85 ed 74 10 e8 33 a1 59 fa <0f> 0b 4d 85 f6 0f 84 70 01 00 00 49 c7 c7 e4 ae 6e 8d bd ff ff ff RSP: 0018:ffffc90000dc0b98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807708d820 RCX: 0000000000000100 RDX: ffff888028bc3900 RSI: ffffffff871d445d RDI: 0000000000000003 RBP: 0000000000000100 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff871d45d0 R11: 0000000000000000 R12: ffff88807d1fa208 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 000055555588b400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f930a759058 CR3: 0000000078c59000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: est_fetch_counters+0xc3/0x160 net/core/gen_estimator.c:69 est_timer+0x92/0x730 net/core/gen_estimator.c:83 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:kasan_save_stack+0x1d/0x40 mm/kasan/common.c:39 Code: 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 54 31 d2 41 89 fc be 40 00 00 00 48 81 ec 00 02 00 00 48 89 e7 e8 c5 04 a7 ff 89 c6 <48> 89 e7 e8 db 8d 35 02 44 89 e2 89 c6 48 89 e7 e8 9e 8f 35 02 48 RSP: 0018:ffffc90004e77528 EFLAGS: 00000287 RAX: 0000000000000013 RBX: ffff8880191bee30 RCX: 0000000000000000 RDX: 1ffff11005178862 RSI: 0000000000000013 RDI: 0000000000000000 RBP: ffff8880191bee10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000800 R13: ffffffff81bdbcb4 R14: ffff8880191bee10 R15: ffffc90004e777f0 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free mm/kasan/common.c:328 [inline] __kasan_slab_free+0xff/0x130 mm/kasan/common.c:374 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1700 [inline] slab_free_freelist_hook+0x81/0x190 mm/slub.c:1725 slab_free mm/slub.c:3483 [inline] kfree+0xe4/0x530 mm/slub.c:4543 kvfree+0x42/0x50 mm/util.c:620 __vunmap+0x924/0xb70 mm/vmalloc.c:2626 __vfree+0x3c/0xd0 mm/vmalloc.c:2669 vfree+0x5a/0x90 mm/vmalloc.c:2700 __do_replace+0x16b/0x890 net/ipv6/netfilter/ip6_tables.c:1117 do_replace net/ipv6/netfilter/ip6_tables.c:1157 [inline] do_ip6t_set_ctl+0x90d/0xb90 net/ipv6/netfilter/ip6_tables.c:1639 nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x122/0x180 net/ipv6/ipv6_sockglue.c:1008 tcp_setsockopt+0x136/0x2530 net/ipv4/tcp.c:3657 __sys_setsockopt+0x2db/0x610 net/socket.c:2176 __do_sys_setsockopt net/socket.c:2187 [inline] __se_sys_setsockopt net/socket.c:2184 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2184 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: 0033:0x7f930a67908a Code: 73 01 c3 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 66 90 49 89 ca b8 36 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:00007ffd33db1ce8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007f930a67908a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007ffd33db1d10 R08: 00000000000002e8 R09: ffff000000000000 R10: 00007f930a759000 R11: 0000000000000202 R12: 00007ffd33db1d70 R13: 0000000000000003 R14: 00007ffd33db1d0c R15: 00007f930a758fa0 ---------------- Code disassembly (best guess): 0: 2e 0f 1f 84 00 00 00 nopl %cs:0x0(%rax,%rax,1) 7: 00 00 9: 0f 1f 40 00 nopl 0x0(%rax) d: 41 54 push %r12 f: 31 d2 xor %edx,%edx 11: 41 89 fc mov %edi,%r12d 14: be 40 00 00 00 mov $0x40,%esi 19: 48 81 ec 00 02 00 00 sub $0x200,%rsp 20: 48 89 e7 mov %rsp,%rdi 23: e8 c5 04 a7 ff callq 0xffa704ed 28: 89 c6 mov %eax,%esi * 2a: 48 89 e7 mov %rsp,%rdi <-- trapping instruction 2d: e8 db 8d 35 02 callq 0x2358e0d 32: 44 89 e2 mov %r12d,%edx 35: 89 c6 mov %eax,%esi 37: 48 89 e7 mov %rsp,%rdi 3a: e8 9e 8f 35 02 callq 0x2358fdd 3f: 48 rex.W