kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4584 [inline]
 slab_alloc_node mm/slub.c:4917 [inline]
 kmem_cache_alloc_node_noprof+0x27d/0x6b0 mm/slub.c:4989
 __alloc_skb+0x140/0x710 net/core/skbuff.c:704
 alloc_skb include/linux/skbuff.h:1384 [inline]
 alloc_uevent_skb+0x7d/0x210 lib/kobject_uevent.c:289
 uevent_net_broadcast_tagged lib/kobject_uevent.c:352 [inline]
 kobject_uevent_net_broadcast lib/kobject_uevent.c:415 [inline]
 kobject_uevent_env+0x122c/0x18b0 lib/kobject_uevent.c:611
 __kobject_del+0x168/0x220 lib/kobject.c:601
 kobject_cleanup lib/kobject.c:680 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x348/0x640 lib/kobject.c:737
 netdev_queue_update_kobjects+0x4e5/0x6f0 net/core/net-sysfs.c:2052
 remove_queue_kobjects net/core/net-sysfs.c:2149 [inline]
 netdev_unregister_kobject+0x168/0x540 net/core/net-sysfs.c:2304
 unregister_netdevice_many_notify+0x1503/0x2150 net/core/dev.c:12485
 ops_exit_rtnl_list net/core/net_namespace.c:187 [inline]
 ops_undo_list+0x8ff/0xab0 net/core/net_namespace.c:248
 setup_net+0x1fa/0x3a0 net/core/net_namespace.c:462
 copy_net_ns+0x46f/0x7c0 net/core/net_namespace.c:579
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 10684 Comm: syz.1.876 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__filemap_add_folio+0x1033/0x12f0 mm/filemap.c:858
Code: 39 c2 ff 48 c7 c6 e0 89 dd 8b 4c 89 ef e8 d5 ee 12 00 90 0f 0b e8 cd 39 c2 ff 48 c7 c6 40 8a dd 8b 4c 89 ef e8 be ee 12 00 90 <0f> 0b e8 b6 39 c2 ff 90 0f 0b 90 e9 76 fe ff ff e8 a8 39 c2 ff 90
RSP: 0018:ffffc9000df773f8 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000112cc0 RCX: ffffc900040e2000
RDX: 0000000000080000 RSI: ffffffff825a8528 RDI: ffff888020fbc2c4
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000004
R13: ffffea0001ff8f80 R14: 0000000000000000 R15: 1ffff92001beeeaa
FS:  00007f49bfbe66c0(0000) GS:ffff888123de8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f539c533a26 CR3: 0000000076bc8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d3/0x630 mm/filemap.c:972
 ra_alloc_folio mm/readahead.c:470 [inline]
 page_cache_ra_order+0x602/0xed0 mm/readahead.c:535
 do_sync_mmap_readahead mm/filemap.c:3434 [inline]
 filemap_fault+0x1943/0x3130 mm/filemap.c:3588
 __do_fault+0x10b/0x440 mm/memory.c:5425
 do_cow_fault mm/memory.c:5890 [inline]
 do_fault+0xeb2/0x1750 mm/memory.c:5996
 do_pte_missing mm/memory.c:4566 [inline]
 handle_pte_fault mm/memory.c:6379 [inline]
 __handle_mm_fault+0x187d/0x2a00 mm/memory.c:6517
 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1178/0x32a0 mm/gup.c:1428
 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860
 __mm_populate+0x107/0x3a0 mm/gup.c:1963
 mm_populate include/linux/mm.h:4171 [inline]
 vm_mmap_pgoff+0x37f/0x470 mm/util.c:586
 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:606
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f49bed9e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f49bfbe6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f49bf025fa0 RCX: 00007f49bed9e0d9
RDX: 0000000000000ffb RSI: 0000000000810004 RDI: 0000000000000000
RBP: 00007f49bee35024 R08: 0000000000000003 R09: 0000000000008000
R10: 0008000000008012 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f49bf026038 R14: 00007f49bf025fa0 R15: 00007ffe7b83bed8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x1033/0x12f0 mm/filemap.c:858
Code: 39 c2 ff 48 c7 c6 e0 89 dd 8b 4c 89 ef e8 d5 ee 12 00 90 0f 0b e8 cd 39 c2 ff 48 c7 c6 40 8a dd 8b 4c 89 ef e8 be ee 12 00 90 <0f> 0b e8 b6 39 c2 ff 90 0f 0b 90 e9 76 fe ff ff e8 a8 39 c2 ff 90
RSP: 0018:ffffc9000df773f8 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000112cc0 RCX: ffffc900040e2000
RDX: 0000000000080000 RSI: ffffffff825a8528 RDI: ffff888020fbc2c4
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000004
R13: ffffea0001ff8f80 R14: 0000000000000000 R15: 1ffff92001beeeaa
FS:  00007f49bfbe66c0(0000) GS:ffff888123de8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557a283a8ee8 CR3: 0000000076bc8000 CR4: 00000000003526f0