hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x2a1c/0x4f30 drivers/usb/core/hub.c:5953
 process_one_work+0x949/0x1650 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 13199 Comm: syz.5.2066 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858
Code: 8b c5 ff 4c 89 e7 48 c7 c6 20 a6 d7 8b e8 8c b9 27 ff 90 0f 0b e8 04 8b c5 ff 4c 89 e7 48 c7 c6 c0 9a d7 8b e8 75 b9 27 ff 90 <0f> 0b e8 ed 8a c5 ff 4c 89 e7 48 c7 c6 20 a6 d7 8b e8 5e b9 27 ff
RSP: 0018:ffffc90004d4f1e0 EFLAGS: 00010246
RAX: 8155821c8e9f9b00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8e006fa9 RDI: 00000000ffffffff
RBP: ffffc90004d4f360 R08: ffffffff903342b7 R09: 1ffffffff2066856
R10: dffffc0000000000 R11: fffffbfff2066857 R12: ffffea0000a89dc0
R13: dffffc0000000000 R14: ffffea0000a89dc8 R15: 0000000000000004
FS:  00007fd8b22ef6c0(0000) GS:ffff888125115000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000010000 CR3: 0000000049392000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000083
DR3: ffffffffefffff16 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_add_folio+0x264/0x530 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x6b5/0xeb0 mm/readahead.c:515
 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3400
 filemap_fault+0x6e2/0x1320 mm/filemap.c:3549
 __do_fault+0x138/0x390 mm/memory.c:5365
 do_cow_fault mm/memory.c:5830 [inline]
 do_fault mm/memory.c:5936 [inline]
 do_pte_missing+0x1006/0x3750 mm/memory.c:4479
 handle_pte_fault mm/memory.c:6318 [inline]
 __handle_mm_fault mm/memory.c:6456 [inline]
 handle_mm_fault+0x1bec/0x3310 mm/memory.c:6625
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x165b/0x29d0 mm/gup.c:1428
 populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860
 __mm_populate+0x25f/0x390 mm/gup.c:1963
 mm_populate include/linux/mm.h:3899 [inline]
 vm_mmap_pgoff+0x3aa/0x4f0 mm/util.c:586
 ksys_mmap_pgoff+0x51e/0x760 mm/mmap.c:605
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd8b139aeb9
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:00007fd8b22ef028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fd8b1616090 RCX: 00007fd8b139aeb9
RDX: 0000000002000007 RSI: 0000000000003000 RDI: 0000200000888000
RBP: 00007fd8b1408c1f R08: 000000000000000a R09: 0000000000000000
R10: 0000000004002012 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd8b1616128 R14: 00007fd8b1616090 R15: 00007ffda221e128
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858
Code: 8b c5 ff 4c 89 e7 48 c7 c6 20 a6 d7 8b e8 8c b9 27 ff 90 0f 0b e8 04 8b c5 ff 4c 89 e7 48 c7 c6 c0 9a d7 8b e8 75 b9 27 ff 90 <0f> 0b e8 ed 8a c5 ff 4c 89 e7 48 c7 c6 20 a6 d7 8b e8 5e b9 27 ff
RSP: 0018:ffffc90004d4f1e0 EFLAGS: 00010246
RAX: 8155821c8e9f9b00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8e006fa9 RDI: 00000000ffffffff
RBP: ffffc90004d4f360 R08: ffffffff903342b7 R09: 1ffffffff2066856
R10: dffffc0000000000 R11: fffffbfff2066857 R12: ffffea0000a89dc0
R13: dffffc0000000000 R14: ffffea0000a89dc8 R15: 0000000000000004
FS:  00007fd8b22ef6c0(0000) GS:ffff888125115000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd1eb7e3ad8 CR3: 0000000049392000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000083
DR3: ffffffffefffff16 DR6: 00000000ffff0ff0 DR7: 0000000000000400