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: 2 UID: 0 PID: 24 Comm: ksoftirqd/2 Not tainted 6.13.0-rc5-syzkaller-00006-g56e6a3499e14 #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:1553
Code: 90 90 90 90 90 90 90 90 90 41 54 55 53 48 89 fb e8 d4 d7 a2 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:ffffc90000548428 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff88f7ff98
RDX: 0000000000000001 RSI: ffffffff88f677ec RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: ffff88807505aa80
R13: ffff888068691c40 R14: ffff888068691c70 R15: 0000000000000007
FS: 0000000000000000(0000) GS:ffff88802b600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000209f2000 CR3: 0000000067a22000 CR4: 0000000000352ef0
Call Trace:
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+0x33b4/0x43a0 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_irq_work arch/x86/kernel/irq_work.c:17 [inline]
sysvec_irq_work+0xa4/0xc0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738
RIP: 0010:finish_task_switch.isra.0+0x220/0xcc0 kernel/sched/core.c:5243
Code: a9 0a 00 00 44 8b 0d 23 b3 b4 0e 45 85 c9 0f 85 c0 01 00 00 48 89 df e8 ae f8 ff ff e8 49 89 38 00 fb 65 48 8b 1d f0 74 9b 7e <48> 8d bb f8 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc9000051fc70 EFLAGS: 00000206
RAX: 000000000019e6ff RBX: ffff88801d2ca440 RCX: 1ffffffff2039441
RDX: 0000000000000000 RSI: ffffffff8b4cd300 RDI: ffffffff8bb17100
RBP: ffffc9000051fcb8 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff901ce557 R11: 0000000000000000 R12: ffff88802b63fb20
R13: ffff88806309c880 R14: 0000000000000000 R15: ffff88802b63ed00
context_switch kernel/sched/core.c:5372 [inline]
__schedule+0xe60/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
smpboot_thread_fn+0x2d5/0xa30 kernel/smpboot.c:160
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
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:1553
Code: 90 90 90 90 90 90 90 90 90 41 54 55 53 48 89 fb e8 d4 d7 a2 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:ffffc90000548428 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff88f7ff98
RDX: 0000000000000001 RSI: ffffffff88f677ec RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: ffff88807505aa80
R13: ffff888068691c40 R14: ffff888068691c70 R15: 0000000000000007
FS: 0000000000000000(0000) GS:ffff88802b600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000209f2000 CR3: 0000000067a22000 CR4: 0000000000352ef0
----------------
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 d4 d7 a2 f8 call 0xf8a2d7e9
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