------------[ cut here ]------------ WARNING: CPU: 1 PID: 7052 at net/core/gen_stats.c:157 gnet_stats_add_basic+0x1d1/0x240 net/core/gen_stats.c:171 Modules linked in: CPU: 1 PID: 7052 Comm: syz-executor.3 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+0x1d1/0x240 net/core/gen_stats.c:157 Code: 25 78 b6 fc 05 0f 82 4d ff ff ff 48 8b 44 24 20 4c 01 28 44 8b 24 24 4c 01 60 08 48 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 <0f> 0b e9 d4 fe ff ff 48 89 df e8 20 0e 26 fb e9 65 fe ff ff 48 89 RSP: 0018:ffffc90000dc0ba0 EFLAGS: 00010206 RAX: 0000000000000100 RBX: ffff88806f74a420 RCX: 0000000000000001 RDX: ffff88806f74a420 RSI: 0000000000000000 RDI: ffffc90000dc0cb0 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffc90000dc0cbf R10: fffff520001b8197 R11: 0000000000000016 R12: ffff88806ff02608 R13: ffff88806ff02680 R14: ffff88806ff02680 R15: ffff88806ff02621 FS: 0000555556f5a400(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f15315f61b8 CR3: 0000000078a49000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: est_fetch_counters+0xab/0x130 net/core/gen_estimator.c:69 est_timer+0x90/0x6f0 net/core/gen_estimator.c:83 call_timer_fn+0x163/0x4a0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x524/0x890 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0x9c/0x190 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:__syscall_enter_from_user_work kernel/entry/common.c:87 [inline] RIP: 0010:syscall_enter_from_user_mode+0x2b/0x70 kernel/entry/common.c:108 Code: 54 49 89 f4 55 48 89 fd 48 8b 7c 24 10 e8 bd f5 ff ff eb 27 eb 2b e8 e4 c1 04 f9 e8 9f c0 04 f9 fb 65 48 8b 04 25 40 f0 01 00 <48> 8b 70 08 40 f6 c6 3f 75 19 4c 89 e0 5d 41 5c c3 eb 1b 0f 0b eb RSP: 0018:ffffc90002aaff28 EFLAGS: 00000206 RAX: ffff888073a60000 RBX: 0000000000000000 RCX: 1ffffffff18fe0d1 RDX: 0000000000000000 RSI: ffffffff88cb4a00 RDI: ffffffff89206ee0 RBP: ffffc90002aaff58 R08: 0000000000000001 R09: 0000000000000001 R10: ffffed10173e6539 R11: 0000000000000001 R12: 0000000000000037 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 do_syscall_64+0x16/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f153151905a 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:00007ffe53bed408 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007f153151905a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007ffe53bed430 R08: 00007ffe53bed42c R09: ffff000000000000 R10: 00007ffe53bed430 R11: 0000000000000246 R12: 00007ffe53bed490 R13: 0000000000000003 R14: 00007ffe53bed42c R15: 00007f15315f8220 ---------------- Code disassembly (best guess): 0: 54 push %rsp 1: 49 89 f4 mov %rsi,%r12 4: 55 push %rbp 5: 48 89 fd mov %rdi,%rbp 8: 48 8b 7c 24 10 mov 0x10(%rsp),%rdi d: e8 bd f5 ff ff callq 0xfffff5cf 12: eb 27 jmp 0x3b 14: eb 2b jmp 0x41 16: e8 e4 c1 04 f9 callq 0xf904c1ff 1b: e8 9f c0 04 f9 callq 0xf904c0bf 20: fb sti 21: 65 48 8b 04 25 40 f0 mov %gs:0x1f040,%rax 28: 01 00 * 2a: 48 8b 70 08 mov 0x8(%rax),%rsi <-- trapping instruction 2e: 40 f6 c6 3f test $0x3f,%sil 32: 75 19 jne 0x4d 34: 4c 89 e0 mov %r12,%rax 37: 5d pop %rbp 38: 41 5c pop %r12 3a: c3 retq 3b: eb 1b jmp 0x58 3d: 0f 0b ud2 3f: eb .byte 0xeb