------------[ cut here ]------------ WARNING: CPU: 1 PID: 19861 at net/core/stream.c:207 sk_stream_kill_queues+0x3dd/0x530 net/core/stream.c:207 Modules linked in: CPU: 1 PID: 19861 Comm: syz-executor104 Not tainted 5.15.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:sk_stream_kill_queues+0x3dd/0x530 net/core/stream.c:207 Code: fa 89 ee 48 89 df e8 e2 af fb ff e9 64 ff ff ff e8 b8 09 5b fa 0f 0b e9 b2 fe ff ff e8 ac 09 5b fa 0f 0b eb c4 e8 a3 09 5b fa <0f> 0b eb 86 4c 89 e7 e8 c7 53 a2 fa eb 9e e8 c0 53 a2 fa e9 5f ff RSP: 0018:ffffc90000dc0ae8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888054de2340 RCX: 0000000000000100 RDX: ffff88807e9a5580 RSI: ffffffff871b045d RDI: 0000000000000003 RBP: 00000000fffffe80 R08: 0000000000000000 R09: ffff8880b9d32a0b R10: ffffffff871b03e3 R11: 0000000000000000 R12: ffff888054de2560 R13: ffff888054de2490 R14: ffff888054de2368 R15: ffff888054de2370 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f20c0ae6fc8 CR3: 0000000051568000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inet_csk_destroy_sock+0x1a5/0x490 net/ipv4/inet_connection_sock.c:1012 tcp_done+0x233/0x330 net/ipv4/tcp.c:4421 tcp_write_err net/ipv4/tcp_timer.c:74 [inline] tcp_write_timeout net/ipv4/tcp_timer.c:276 [inline] tcp_retransmit_timer+0x20d2/0x3320 net/ipv4/tcp_timer.c:512 tcp_write_timer_handler+0x595/0xad0 net/ipv4/tcp_timer.c:622 tcp_write_timer+0xa2/0x2b0 net/ipv4/tcp_timer.c:642 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 aa 9b 23 f8 48 89 ef e8 f2 11 24 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 a3 d2 17 f8 65 8b 05 4c 2c ca 76 85 c0 74 0a 5b 5d c3 e8 d0 73 RSP: 0018:ffffc9000c47f818 EFLAGS: 00000206 RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1adc4b1 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffffff904997c8 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817c37c8 R11: 000000000000003f R12: 0000000000000002 R13: 0000000000000002 R14: dead000000000100 R15: dffffc0000000000 __debug_check_no_obj_freed lib/debugobjects.c:1002 [inline] debug_check_no_obj_freed+0x20c/0x420 lib/debugobjects.c:1023 slab_free_hook mm/slub.c:1675 [inline] slab_free_freelist_hook+0xde/0x190 mm/slub.c:1725 slab_free mm/slub.c:3483 [inline] kmem_cache_free+0x8a/0x5b0 mm/slub.c:3499 anon_vma_free mm/rmap.c:132 [inline] __put_anon_vma+0x112/0x390 mm/rmap.c:2226 put_anon_vma include/linux/rmap.h:111 [inline] unlink_anon_vmas+0x56c/0x860 mm/rmap.c:437 free_pgtables+0x1ab/0x2f0 mm/memory.c:426 exit_mmap+0x1df/0x630 mm/mmap.c:3172 __mmput+0x122/0x4b0 kernel/fork.c:1115 mmput+0x58/0x60 kernel/fork.c:1136 exit_mm kernel/exit.c:501 [inline] do_exit+0xabc/0x2a30 kernel/exit.c:812 do_group_exit+0x125/0x310 kernel/exit.c:922 get_signal+0x47f/0x2160 kernel/signal.c:2868 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f20c0a923c9 Code: Unable to access opcode bytes at RIP 0x7f20c0a9239f. RSP: 002b:00007f20c0a1f2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f20c0b1b4d0 RCX: 00007f20c0a923c9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f20c0b1b4dc RBP: 00007f20c0b1b4dc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f20c0ae7d28 R13: 00007f20c0ae7488 R14: 0000000020002f80 R15: 00007f20c0b1b4d8 ---------------- Code disassembly (best guess): 0: 74 24 je 0x26 2: 10 e8 adc %ch,%al 4: aa stos %al,%es:(%rdi) 5: 9b fwait 6: 23 f8 and %eax,%edi 8: 48 89 ef mov %rbp,%rdi b: e8 f2 11 24 f8 callq 0xf8241202 10: 81 e3 00 02 00 00 and $0x200,%ebx 16: 75 25 jne 0x3d 18: 9c pushfq 19: 58 pop %rax 1a: f6 c4 02 test $0x2,%ah 1d: 75 2d jne 0x4c 1f: 48 85 db test %rbx,%rbx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 a3 d2 17 f8 callq 0xf817d2d2 <-- trapping instruction 2f: 65 8b 05 4c 2c ca 76 mov %gs:0x76ca2c4c(%rip),%eax # 0x76ca2c82 36: 85 c0 test %eax,%eax 38: 74 0a je 0x44 3a: 5b pop %rbx 3b: 5d pop %rbp 3c: c3 retq 3d: e8 .byte 0xe8 3e: d0 .byte 0xd0 3f: 73 .byte 0x73