Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 UID: 0 PID: 6179 Comm: syz.0.56 Not tainted 6.13.0-rc3-syzkaller-00209-g499551201b5f #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline]
RIP: 0010:put_page+0x21/0x280 include/linux/mm.h:1552
Code: 90 90 90 90 90 90 90 90 90 41 54 55 53 48 89 fb e8 04 d8 97 f8 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 20 02 00 00 4c 8b 63 08 31 ff 4c 89 e5 83 e5 01
RSP: 0018:ffffc900006b0428 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8903bba8
RDX: 0000000000000001 RSI: ffffffff89023d4c RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000006 R12: ffff88802f620f00
R13: ffff88802abb4a40 R14: ffff88802abb4a70 R15: 0000000000000007
FS:  0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556cf835c8 CR3: 000000004a5c4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 skb_page_unref include/linux/skbuff_ref.h:43 [inline]
 __skb_frag_unref include/linux/skbuff_ref.h:56 [inline]
 skb_release_data+0x4d7/0x730 net/core/skbuff.c:1119
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb+0x4f/0x70 net/core/skbuff.c:1204
 tcp_wmem_free_skb include/net/tcp.h:306 [inline]
 tcp_rtx_queue_unlink_and_free include/net/tcp.h:2091 [inline]
 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3436 [inline]
 tcp_ack+0x1eb7/0x5ba0 net/ipv4/tcp_input.c:4032
 tcp_rcv_state_process+0xdd4/0x4c40 net/ipv4/tcp_input.c:6805
 tcp_v4_do_rcv+0x1ad/0xa90 net/ipv4/tcp_ipv4.c:1939
 tcp_v4_rcv+0x33a0/0x4380 net/ipv4/tcp_ipv4.c:2351
 ip_protocol_deliver_rcu+0xba/0x4c0 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x316/0x570 net/ipv4/ip_input.c:233
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_local_deliver+0x18e/0x1f0 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:460 [inline]
 ip_rcv_finish net/ipv4/ip_input.c:447 [inline]
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_rcv+0x2c3/0x5d0 net/ipv4/ip_input.c:567
 __netif_receive_skb_one_core+0x199/0x1e0 net/core/dev.c:5672
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:5785
 process_backlog+0x443/0x15f0 net/core/dev.c:6117
 __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6883
 napi_poll net/core/dev.c:6952 [inline]
 net_rx_action+0xa94/0x1010 net/core/dev.c:7074
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline]
RIP: 0010:__folio_rmap_sanity_checks+0xcc/0x540 include/linux/rmap.h:216
Code: 5a 2f b0 ff 4d 39 fc 0f 84 93 03 00 00 e8 9c 2d b0 ff 31 ff 44 89 ee e8 d2 2f b0 ff 45 85 ed 0f 8e 98 03 00 00 e8 84 2d b0 ff <48> 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80
RSP: 0018:ffffc90003337600 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffffea000123cd80 RCX: ffffffff81e9e7be
RDX: ffff88804e762440 RSI: ffffffff81e9e7cc RDI: 0000000000000005
RBP: ffffea000123cd80 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000048f36
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000013794
 __folio_remove_rmap mm/rmap.c:1542 [inline]
 folio_remove_rmap_ptes+0x2d/0x3c0 mm/rmap.c:1620
 zap_present_folio_ptes mm/memory.c:1526 [inline]
 zap_present_ptes mm/memory.c:1585 [inline]
 zap_pte_range mm/memory.c:1627 [inline]
 zap_pmd_range mm/memory.c:1753 [inline]
 zap_pud_range mm/memory.c:1782 [inline]
 zap_p4d_range mm/memory.c:1803 [inline]
 unmap_page_range+0x1965/0x3d60 mm/memory.c:1824
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1870
 unmap_vmas+0x22f/0x490 mm/memory.c:1914
 exit_mmap+0x1c6/0xb20 mm/mmap.c:1668
 __mmput+0x12a/0x4c0 kernel/fork.c:1353
 mmput+0x62/0x70 kernel/fork.c:1375
 exit_mm kernel/exit.c:570 [inline]
 do_exit+0x9ba/0x2d70 kernel/exit.c:925
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 get_signal+0x24ed/0x26c0 kernel/signal.c:3017
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0fcbd85d29
Code: Unable to access opcode bytes at 0x7f0fcbd85cff.
RSP: 002b:00007f0fccafa0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f0fcbf75fa8 RCX: 00007f0fcbd85d29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0fcbf75fa8
RBP: 00007f0fcbf75fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0fcbf75fac
R13: 0000000000000000 R14: 00007ffe8a215980 R15: 00007ffe8a215a68
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline]
RIP: 0010:put_page+0x21/0x280 include/linux/mm.h:1552
Code: 90 90 90 90 90 90 90 90 90 41 54 55 53 48 89 fb e8 04 d8 97 f8 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 20 02 00 00 4c 8b 63 08 31 ff 4c 89 e5 83 e5 01
RSP: 0018:ffffc900006b0428 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8903bba8
RDX: 0000000000000001 RSI: ffffffff89023d4c RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000006 R12: ffff88802f620f00
R13: ffff88802abb4a40 R14: ffff88802abb4a70 R15: 0000000000000007
FS:  0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556cf835c8 CR3: 000000004a5c4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	41 54                	push   %r12
   b:	55                   	push   %rbp
   c:	53                   	push   %rbx
   d:	48 89 fb             	mov    %rdi,%rbx
  10:	e8 04 d8 97 f8       	call   0xf897d819
  15:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 20 02 00 00    	jne    0x254
  34:	4c 8b 63 08          	mov    0x8(%rbx),%r12
  38:	31 ff                	xor    %edi,%edi
  3a:	4c 89 e5             	mov    %r12,%rbp
  3d:	83 e5 01             	and    $0x1,%ebp