------------[ cut here ]------------ WARNING: CPU: 0 PID: 3601 at net/ipv4/tcp_input.c:2132 tcp_enter_loss+0xf86/0x14b0 net/ipv4/tcp_input.c:2145 Modules linked in: CPU: 0 PID: 3601 Comm: strace-static-x Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:tcp_timeout_mark_lost net/ipv4/tcp_input.c:2132 [inline] RIP: 0010:tcp_enter_loss+0xf86/0x14b0 net/ipv4/tcp_input.c:2145 Code: 41 5d 41 5e 41 5f 5d c3 e8 17 31 be f8 e9 13 fc ff ff e8 0d 31 be f8 31 ed eb b0 e8 04 31 be f8 e9 ac f9 ff ff e8 fa 30 be f8 <0f> 0b e9 f6 f8 ff ff e8 ee 30 be f8 0f 0b e9 7a fc ff ff 48 8b 4c RSP: 0018:ffffc900000079a8 EFLAGS: 00010246 RAX: ffffffff88cb7516 RBX: 0000000000000011 RCX: ffff8880218457c0 RDX: 0000000000000101 RSI: 0000000000000009 RDI: 0000000000000011 RBP: 0000000000000009 R08: ffffffff88cb6e06 R09: ffffffff88d1f216 R10: 0000000000000002 R11: ffff8880218457c0 R12: ffff8880738a954c R13: ffff8880738a8c00 R14: 1ffff110039bf8a6 R15: dffffc0000000000 FS: 0000000000d96340(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe39b338718 CR3: 000000001f8ab000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcp_retransmit_timer+0x18c4/0x2890 net/ipv4/tcp_timer.c:503 tcp_write_timer+0x176/0x280 net/ipv4/tcp_timer.c:637 call_timer_fn+0xf5/0x210 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers+0x76a/0x980 kernel/time/timer.c:1790 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803 __do_softirq+0x277/0x75b kernel/softirq.c:571 __irq_exit_rcu+0xec/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:stack_trace_consume_entry+0xd2/0x270 kernel/stacktrace.c:93 Code: 49 89 f5 4d 89 c6 e8 2d 45 67 00 4d 89 f0 4c 8b 0c 24 4c 89 ee 48 ba 00 00 00 00 00 fc ff df 48 8b 1b 45 8d 70 01 41 8a 04 17 <84> c0 0f 85 2c 01 00 00 45 89 31 4a 8d 1c c3 48 89 d8 48 c1 e8 03 RSP: 0018:ffffc90003c1f4f0 EFLAGS: 00000246 RAX: 1ffff92000783e00 RBX: ffffc90003c1f6d0 RCX: ffffffff8f74e000 RDX: dffffc0000000000 RSI: ffffffff8830ab24 RDI: ffffc90003c1f62c RBP: ffffc90003c1f628 R08: 0000000000000007 R09: ffffc90003c1f630 R10: fffff52000783eb4 R11: 1ffff92000783eb2 R12: 1ffff92000783ec5 R13: 1ffff92000783ec5 R14: 0000000000000008 R15: 1ffff92000783ec6 arch_stack_walk+0x106/0x140 arch/x86/kernel/stacktrace.c:27 stack_trace_save+0x12d/0x1f0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:511 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1724 [inline] slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1750 slab_free mm/slub.c:3661 [inline] kmem_cache_free+0x94/0x1d0 mm/slub.c:3683 netlink_recvmsg+0x5c1/0x10f0 net/netlink/af_netlink.c:1998 ____sys_recvmsg+0x285/0x530 ___sys_recvmsg net/socket.c:2743 [inline] __sys_recvmsg+0x294/0x390 net/socket.c:2773 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x46c083 Code: c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bf 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 89 54 24 1c 48 RSP: 002b:00007fff768fbf58 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 000000000046c083 RDX: 0000000000000040 RSI: 00007fff768fbfa0 RDI: 0000000000000003 RBP: 0000000000562195 R08: 0000000000562195 R09: 0000000000562195 R10: 000000000045be50 R11: 0000000000000246 R12: 000000000045bfc0 R13: 0000000000006ffb R14: 0000000000000040 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 49 89 f5 mov %rsi,%r13 3: 4d 89 c6 mov %r8,%r14 6: e8 2d 45 67 00 callq 0x674538 b: 4d 89 f0 mov %r14,%r8 e: 4c 8b 0c 24 mov (%rsp),%r9 12: 4c 89 ee mov %r13,%rsi 15: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 1c: fc ff df 1f: 48 8b 1b mov (%rbx),%rbx 22: 45 8d 70 01 lea 0x1(%r8),%r14d 26: 41 8a 04 17 mov (%r15,%rdx,1),%al * 2a: 84 c0 test %al,%al <-- trapping instruction 2c: 0f 85 2c 01 00 00 jne 0x15e 32: 45 89 31 mov %r14d,(%r9) 35: 4a 8d 1c c3 lea (%rbx,%r8,8),%rbx 39: 48 89 d8 mov %rbx,%rax 3c: 48 c1 e8 03 shr $0x3,%rax