Warning: Permanently added '10.128.1.135' (ED25519) to the list of known hosts. executing program [ 36.234277][ T6515] loop0: detected capacity change from 0 to 32768 executing program executing program [ 36.487865] ** replaying previous printk message ** [ 36.487865][ T2171] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x20000 pfn:0x124600 [ 36.487961][ T2171] head: order:9 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:1 [ 36.487985][ T2171] memcg:ffff0000c19c0000 [ 36.488004][ T2171] anon flags: 0x5ffc00000020178(uptodate|dirty|lru|active|head|swapbacked|node=0|zone=2|lastcpupid=0x7ff) [ 36.488037][ T2171] raw: 05ffc00000020178 fffffdffc394a688 ffff0000c193c058 ffff0000d7f60991 [ 36.488061][ T2171] raw: 0000000000020000 0000000000000000 00000001ffffffff ffff0000c19c0000 [ 36.488085][ T2171] head: 05ffc00000020178 fffffdffc394a688 ffff0000c193c058 ffff0000d7f60991 [ 36.488108][ T2171] head: 0000000000020000 0000000000000000 00000001ffffffff ffff0000c19c0000 [ 36.488132][ T2171] head: 05ffc00000010a09 fffffdffc3918001 00000000ffffffff 00000001ffffffff [ 36.488155][ T2171] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000200 [ 36.488174][ T2171] page dumped because: VM_BUG_ON_PAGE(!PageAnonExclusive(&folio->page) && !PageAnonExclusive(page)) [ 36.488290][ T2171] ------------[ cut here ]------------ [ 36.488302][ T2171] kernel BUG at mm/gup.c:71! [ 36.488401][ T2171] Internal error: Oops - BUG: 00000000f2000800 [#1] SMP [ 36.520643][ T2171] Modules linked in: [ 36.521723][ T2171] CPU: 1 UID: 0 PID: 2171 Comm: kworker/u8:9 Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT [ 36.524718][ T2171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 36.527601][ T2171] Workqueue: iou_exit io_ring_exit_work [ 36.529127][ T2171] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.531262][ T2171] pc : sanity_check_pinned_pages+0x7cc/0x7d0 [ 36.532918][ T2171] lr : sanity_check_pinned_pages+0x7cc/0x7d0 [ 36.534538][ T2171] sp : ffff8000a03a7640 [ 36.535673][ T2171] x29: ffff8000a03a7660 x28: dfff800000000000 x27: 1fffffbff8723000 [ 36.537926][ T2171] x26: 05ffc00000020178 x25: 05ffc00000020178 x24: fffffdffc3918000 [ 36.540135][ T2171] x23: fffffdffc3918000 x22: ffff8000a03a76e0 x21: 05ffc00000020178 [ 36.542386][ T2171] x20: 0000000000000000 x19: ffff8000a03a76e0 x18: 00000000ffffffff [ 36.544605][ T2171] x17: 703e2d6f696c6f66 x16: ffff80008aecb65c x15: 0000000000000001 [ 36.546842][ T2171] x14: 1fffe000337e14e2 x13: 0000000000000000 x12: 0000000000000000 [ 36.549017][ T2171] x11: ffff6000337e14e3 x10: 0000000000ff0100 x9 : cc07ffb5a919f400 [ 36.551214][ T2171] x8 : cc07ffb5a919f400 x7 : 0000000000000001 x6 : 0000000000000001 [ 36.553418][ T2171] x5 : ffff8000a03a6d58 x4 : ffff80008f727060 x3 : ffff8000807bef2c [ 36.555568][ T2171] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000061 [ 36.557784][ T2171] Call trace: [ 36.558689][ T2171] sanity_check_pinned_pages+0x7cc/0x7d0 (P) [ 36.560389][ T2171] unpin_user_page+0x80/0x10c [ 36.561701][ T2171] io_release_ubuf+0x84/0xf8 [ 36.563012][ T2171] io_free_rsrc_node+0x250/0x57c [ 36.564371][ T2171] io_rsrc_data_free+0x148/0x298 [ 36.565721][ T2171] io_sqe_buffers_unregister+0x84/0xa0 [ 36.567246][ T2171] io_ring_ctx_free+0x48/0x480 [ 36.568542][ T2171] io_ring_exit_work+0x764/0x7d8 [ 36.569904][ T2171] process_one_work+0x7e8/0x155c [ 36.571285][ T2171] worker_thread+0x958/0xed8 [ 36.572542][ T2171] kthread+0x5fc/0x75c [ 36.573670][ T2171] ret_from_fork+0x10/0x20 [ 36.574920][ T2171] Code: b0052bc1 91008021 aa1703e0 97fff8ab (d4210000) [ 36.576804][ T2171] ---[ end trace 0000000000000000 ]--- [ 36.897089][ T2171] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 36.899045][ T2171] SMP: stopping secondary CPUs [ 36.900437][ T2171] Kernel Offset: disabled [ 36.901687][ T2171] CPU features: 0x2000,000081c0,020004a1,04017203 [ 36.903493][ T2171] Memory Limit: none [ 37.220454][ T2171] Rebooting in 86400 seconds..