------------[ cut here ]------------ WARNING: CPU: 1 PID: 12214 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154 Modules linked in: CPU: 1 PID: 12214 Comm: syz-executor.1 Not tainted 6.3.0-rc4-syzkaller-01177-g054fbf7ff814 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154 Code: ff e8 c5 67 e9 f8 0f 0b e9 07 fe ff ff e8 b9 67 e9 f8 0f 0b e9 3f fe ff ff e8 ad 67 e9 f8 0f 0b e9 95 fd ff ff e8 a1 67 e9 f8 <0f> 0b e9 9f fe ff ff e8 c5 b0 3a f9 e9 7a fc ff ff 4c 89 e7 e8 f8 RSP: 0018:ffffc900001e0c48 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000ffff9000 RCX: 0000000000000100 RDX: ffff888032a857c0 RSI: ffffffff889970af RDI: 0000000000000005 RBP: ffff888094e09880 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffff9000 R11: 0000000000000001 R12: ffff888094e098a8 R13: ffff888094e09af4 R14: ffff888094e09900 R15: 0000000000000001 FS: 00005555556e9400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f35e5fabf84 CR3: 0000000089b9d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x4d/0x770 net/core/sock.c:2135 sk_destruct net/core/sock.c:2183 [inline] __sk_free+0x175/0x460 net/core/sock.c:2194 sk_free+0x7c/0xa0 net/core/sock.c:2205 sock_put include/net/sock.h:1968 [inline] tcp_write_timer+0x24b/0x2b0 net/ipv4/tcp_timer.c:644 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1d4/0x905 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:unwind_get_return_address arch/x86/kernel/unwind_orc.c:342 [inline] RIP: 0010:unwind_get_return_address+0x4a/0xa0 arch/x86/kernel/unwind_orc.c:337 Code: 74 04 3c 03 7e 51 8b 03 85 c0 75 05 5b 31 c0 5d c3 48 8d 6b 48 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 <75> 32 48 8b 7b 48 e8 db 99 1b 00 85 c0 74 d3 48 b8 00 00 00 00 00 RSP: 0018:ffffc90014fcf680 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffc90014fcf698 RCX: 0000000000000000 RDX: 1ffff920029f9edc RSI: ffffc90014fcfc28 RDI: ffffc90014fcf698 RBP: ffffc90014fcf6e0 R08: ffffffff8fa0a7f6 R09: ffffc90014fcf6cc R10: 0000000000000000 R11: ffffc90014fcfc40 R12: ffffc90014fcf750 R13: 0000000000000000 R14: ffff888032a857c0 R15: ffffea00020e1200 arch_stack_walk+0x97/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x90/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1781 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807 slab_free mm/slub.c:3787 [inline] kmem_cache_free_bulk.part.0+0x20c/0x680 mm/slub.c:3905 mt_free_bulk lib/maple_tree.c:169 [inline] mas_destroy+0x3e0/0x650 lib/maple_tree.c:5771 mas_store_prealloc+0xf0/0x150 lib/maple_tree.c:5702 vma_iter_store mm/internal.h:1013 [inline] mmap_region+0xb7b/0x2620 mm/mmap.c:2639 do_mmap+0x831/0xf60 mm/mmap.c:1364 vm_mmap_pgoff+0x1af/0x280 mm/util.c:542 ksys_mmap_pgoff+0x7d/0x5a0 mm/mmap.c:1410 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f35e5e8c1b2 Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 b8 ff ff ff 64 RSP: 002b:00007ffdf32f2e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000020022 RCX: 00007f35e5e8c1b2 RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffdf32f3090 R13: 00007f35e51ff700 R14: 0000000000000000 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 74 04 je 0x6 2: 3c 03 cmp $0x3,%al 4: 7e 51 jle 0x57 6: 8b 03 mov (%rbx),%eax 8: 85 c0 test %eax,%eax a: 75 05 jne 0x11 c: 5b pop %rbx d: 31 c0 xor %eax,%eax f: 5d pop %rbp 10: c3 retq 11: 48 8d 6b 48 lea 0x48(%rbx),%rbp 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 89 ea mov %rbp,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 75 32 jne 0x5e <-- trapping instruction 2c: 48 8b 7b 48 mov 0x48(%rbx),%rdi 30: e8 db 99 1b 00 callq 0x1b9a10 35: 85 c0 test %eax,%eax 37: 74 d3 je 0xc 39: 48 rex.W 3a: b8 00 00 00 00 mov $0x0,%eax