Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 5921 Comm: syz.2.188 Not tainted 6.10.0-syzkaller-12097-ge9680017b2dc #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:ffffc900008b0c80 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffffffffff80 RCX: ffffffff88d74319
RDX: 0000000000000000 RSI: ffffffff81afd2e6 RDI: ffffc90003fefa68
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000010 R11: ffffffff8b2f42e0 R12: ffffc90003fefa58
R13: ffff888022ee8fb0 R14: ffffc90003fefa68 R15: ffffc90003fefa68
FS:  00007f0db75686c0(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0db7547d58 CR3: 000000002c0c6000 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
 common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:278
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:stack_depot_save_flags+0xd/0x8f0 lib/stackdepot.c:588
Code: 0b 90 e9 07 ff ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 83 f9 03 0f 87 e9 02 00 00 <41> 57 41 56 41 55 49 89 fd 41 54 41 89 d4 55 89 cd 53 48 83 ec 28
RSP: 0018:ffffc90003fef268 EFLAGS: 00000293
RAX: 000000000000000f RBX: 1ffff920007fde4e RCX: 0000000000000001
RDX: 0000000000140cca RSI: 000000000000000f RDI: ffffc90003fef290
RBP: ffff888026ffa440 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000000 R12: ffffc90003fef290
R13: 0000000000140cca R14: dffffc0000000000 R15: dffffc0000000000
 save_stack+0x16f/0x1f0 mm/page_owner.c:157
 __set_page_owner+0x8b/0x560 mm/page_owner.c:320
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1493
 prep_new_page mm/page_alloc.c:1501 [inline]
 get_page_from_freelist+0x1351/0x2e50 mm/page_alloc.c:3438
 __alloc_pages_noprof+0x22b/0x2460 mm/page_alloc.c:4696
 alloc_pages_mpol_noprof+0x275/0x610 mm/mempolicy.c:2263
 folio_alloc_mpol_noprof+0x36/0xd0 mm/mempolicy.c:2281
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1726
 shmem_alloc_and_add_folio+0x198/0xcd0 mm/shmem.c:1786
 shmem_get_folio_gfp+0xa62/0x15e0 mm/shmem.c:2192
 shmem_get_folio mm/shmem.c:2297 [inline]
 shmem_write_begin+0x15a/0x360 mm/shmem.c:2902
 generic_perform_write+0x312/0xaa0 mm/filemap.c:4019
 shmem_file_write_iter+0x114/0x140 mm/shmem.c:3078
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0x6b6/0x1140 fs/read_write.c:590
 ksys_write+0x12f/0x260 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0db6775f19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0db7568048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0db6905f60 RCX: 00007f0db6775f19
RDX: 00000000fffffd26 RSI: 0000000020000000 RDI: 000000000000000a
RBP: 00007f0db67e4e68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0db6905f60 R15: 00007ffed92d5d68
 </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:ffffc900008b0c80 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffffffffff80 RCX: ffffffff88d74319
RDX: 0000000000000000 RSI: ffffffff81afd2e6 RDI: ffffc90003fefa68
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000010 R11: ffffffff8b2f42e0 R12: ffffc90003fefa58
R13: ffff888022ee8fb0 R14: ffffc90003fefa68 R15: ffffc90003fefa68
FS:  00007f0db75686c0(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0db7547d58 CR3: 000000002c0c6000 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