Oops: general protection fault, probably for non-canonical address 0xdffffc0000000048: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000240-0x0000000000000247]
CPU: 2 PID: 5928 Comm: syz.1.276 Not tainted 6.10.0-syzkaller-08676-g720261cfc732 #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:__dev_flush+0x49/0x1e0 kernel/bpf/devmap.c:424
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 98 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2f 48 8d 5d 80 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 69 01 00 00 48 8b 45 00 49 39 ef 4c 8d 60 80 0f
RSP: 0018:ffffc90000540c80 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 00000000000001c6 RCX: ffffffff88cfbf79
RDX: 0000000000000048 RSI: ffffffff81b49c96 RDI: ffffc9000630fa58
RBP: 0000000000000246 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000010 R11: 0000000000000000 R12: ffffc9000630fa48
R13: ffff88802c2404c8 R14: ffffc9000630fa58 R15: ffffc9000630fa58
FS:  0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5d46b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000031211ff8 CR3: 000000005a800000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 xdp_do_check_flushed+0x14d/0x4e0 net/core/filter.c:4300
 __napi_poll.constprop.0+0xd1/0x550 net/core/dev.c:6774
 napi_poll net/core/dev.c:6840 [inline]
 net_rx_action+0xa92/0x1010 net/core/dev.c:6962
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x18/0x60 kernel/kcov.c:203
Code: 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 48 8b 15 c4 68 75 7e 65 8b 05 c5 68 75 7e a9 00 01 ff 00 <48> 8b 34 24 74 0f f6 c4 01 74 35 8b 82 1c 16 00 00 85 c0 74 2b 8b
RSP: 0018:ffffc9000630fa70 EFLAGS: 00000246
RAX: 0000000080000000 RBX: 00000000f7161fff RCX: ffffffff8ad1c46f
RDX: ffff88801c07a440 RSI: ffffffffffffffff RDI: 0000000000000006
RBP: ffffc9000630fb20 R08: 0000000000000006 R09: ffffffffffffffff
R10: 00000000f7161fff R11: 0000000000000000 R12: ffffffffffffffff
R13: ffffc9000630fb58 R14: 0000000000000000 R15: ffff8880237d02e8
 mas_find+0x2b9/0x530 lib/maple_tree.c:6068
 vma_next include/linux/mm.h:986 [inline]
 acct_collect+0x671/0x8e0 kernel/acct.c:564
 do_exit+0x1a20/0x2bb0 kernel/exit.c:856
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1026
 get_signal+0x2658/0x26d0 kernel/signal.c:2917
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [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_fast_syscall_32+0x80/0x120 arch/x86/entry/common.c:389
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf742e579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5d4661c EFLAGS: 00000292 ORIG_RAX: 00000000000000f0
RAX: fffffffffffffe00 RBX: 00000000f7454f68 RCX: 0000000000000080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f7454f6c
RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__dev_flush+0x49/0x1e0 kernel/bpf/devmap.c:424
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 98 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2f 48 8d 5d 80 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 69 01 00 00 48 8b 45 00 49 39 ef 4c 8d 60 80 0f
RSP: 0018:ffffc90000540c80 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 00000000000001c6 RCX: ffffffff88cfbf79
RDX: 0000000000000048 RSI: ffffffff81b49c96 RDI: ffffc9000630fa58
RBP: 0000000000000246 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000010 R11: 0000000000000000 R12: ffffc9000630fa48
R13: ffff88802c2404c8 R14: ffffc9000630fa58 R15: ffffc9000630fa58
FS:  0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5d46b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000031211ff8 CR3: 000000005a800000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 98 01 00 00    	jne    0x1a6
   e:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  15:	fc ff df
  18:	49 8b 2f             	mov    (%r15),%rbp
  1b:	48 8d 5d 80          	lea    -0x80(%rbp),%rbx
  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) <-- trapping instruction
  2a:	0f 85 69 01 00 00    	jne    0x199
  30:	48 8b 45 00          	mov    0x0(%rbp),%rax
  34:	49 39 ef             	cmp    %rbp,%r15
  37:	4c 8d 60 80          	lea    -0x80(%rax),%r12
  3b:	0f                   	.byte 0xf