program:
openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
r3 = syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r3, 0xc02064b2, &(0x7f0000000040)={0x7, 0x6576, 0x3})
mmap(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x4, 0x11, r3, 0x100000000)
ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000003c0)={[0x60000000004, 0x1000000000, 0x5, 0x41, 0x2000000, 0x0, 0xe, 0x0, 0xa1d, 0x68ff, 0x5, 0x0, 0x3, 0x2], 0x10000})
ioctl$KVM_RUN(r2, 0xae80, 0x0)
[ 75.240745][ T4668] Bluetooth: hci0: command tx timeout
[ 75.340080][ T5319] ==================================================================
[ 75.343663][ T5319] BUG: KASAN: slab-out-of-bounds in change_page_attr_set_clr+0x625/0xfc0
[ 75.347269][ T5319] Read of size 8 at addr ffff888012324588 by task syz.0.0/5319
[ 75.350570][ T5319]
[ 75.351654][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 75.351669][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 75.351676][ T5319] Call Trace:
[ 75.351682][ T5319]
[ 75.351689][ T5319] dump_stack_lvl+0x189/0x250
[ 75.351705][ T5319] ? __kasan_check_byte+0x12/0x40
[ 75.351755][ T5319] ? __pfx_dump_stack_lvl+0x10/0x10
[ 75.351766][ T5319] ? lock_release+0x4b/0x3e0
[ 75.351781][ T5319] ? __virt_addr_valid+0x4a5/0x5c0
[ 75.351794][ T5319] print_report+0xca/0x240
[ 75.351806][ T5319] ? change_page_attr_set_clr+0x625/0xfc0
[ 75.351819][ T5319] kasan_report+0x118/0x150
[ 75.351831][ T5319] ? change_page_attr_set_clr+0x625/0xfc0
[ 75.351845][ T5319] change_page_attr_set_clr+0x625/0xfc0
[ 75.351859][ T5319] ? __pfx_change_page_attr_set_clr+0x10/0x10
[ 75.351871][ T5319] ? __pfx_pagerange_is_ram_callback+0x10/0x10
[ 75.351882][ T5319] ? memtype_reserve+0x874/0xb30
[ 75.351896][ T5319] ? __pfx___ww_mutex_lock+0x10/0x10
[ 75.351939][ T5319] _set_pages_array+0x145/0x270
[ 75.351956][ T5319] drm_gem_shmem_get_pages_locked+0x2d0/0x440
[ 75.351973][ T5319] ? __pfx_drm_gem_shmem_get_pages_locked+0x10/0x10
[ 75.351987][ T5319] ? ww_mutex_lock+0x3f/0x1c0
[ 75.351998][ T5319] drm_gem_shmem_mmap+0x193/0x460
[ 75.352013][ T5319] drm_gem_mmap_obj+0x18a/0x4e0
[ 75.352025][ T5319] drm_gem_mmap+0x384/0x640
[ 75.352037][ T5319] ? __pfx_drm_gem_mmap+0x10/0x10
[ 75.352048][ T5319] ? __mas_set_range+0x12f/0x3c0
[ 75.352063][ T5319] mmap_region+0x18b4/0x2110
[ 75.352079][ T5319] ? __pfx_mmap_region+0x10/0x10
[ 75.352091][ T5319] ? __schedule+0x17ae/0x4cc0
[ 75.352106][ T5319] ? rcu_read_lock_sched_held+0x89/0x100
[ 75.352122][ T5319] ? __pfx_rcu_read_lock_sched_held+0x10/0x10
[ 75.352149][ T5319] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 75.352165][ T5319] ? bpf_lsm_mmap_addr+0x9/0x20
[ 75.352178][ T5319] ? security_mmap_addr+0x71/0x270
[ 75.352192][ T5319] ? shmem_mapping+0xd/0x50
[ 75.352203][ T5319] ? memfd_check_seals_mmap+0xc5/0x200
[ 75.352218][ T5319] do_mmap+0xc45/0x10d0
[ 75.352233][ T5319] ? __pfx_do_mmap+0x10/0x10
[ 75.352246][ T5319] ? down_write_killable+0x178/0x230
[ 75.352255][ T5319] ? __pfx_down_write_killable+0x10/0x10
[ 75.352262][ T5319] ? common_file_perm+0x1b5/0x230
[ 75.352274][ T5319] vm_mmap_pgoff+0x2a6/0x4d0
[ 75.352285][ T5319] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 75.352294][ T5319] ? __fget_files+0x2a/0x420
[ 75.352302][ T5319] ? __fget_files+0x2a/0x420
[ 75.352309][ T5319] ? __fget_files+0x2a/0x420
[ 75.352316][ T5319] ksys_mmap_pgoff+0x51f/0x760
[ 75.352327][ T5319] do_syscall_64+0xfa/0xfa0
[ 75.352334][ T5319] ? lockdep_hardirqs_on+0x9c/0x150
[ 75.352344][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.352351][ T5319] ? clear_bhb_loop+0x60/0xb0
[ 75.352358][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.352365][ T5319] RIP: 0033:0x7f2d3158efc9
[ 75.352373][ T5319] 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
[ 75.352379][ T5319] RSP: 002b:00007f2d32367038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 75.352388][ T5319] RAX: ffffffffffffffda RBX: 00007f2d317e5fa0 RCX: 00007f2d3158efc9
[ 75.352396][ T5319] RDX: 0000000000000004 RSI: 0000000000004000 RDI: 0000200000001000
[ 75.352403][ T5319] RBP: 00007f2d31611f91 R08: 0000000000000006 R09: 0000000100000000
[ 75.352409][ T5319] R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
[ 75.352415][ T5319] R13: 00007f2d317e6038 R14: 00007f2d317e5fa0 R15: 00007ffc8e475aa8
[ 75.352426][ T5319]
[ 75.352430][ T5319]
[ 75.510819][ T5319] Allocated by task 5319:
[ 75.512760][ T5319] kasan_save_track+0x3e/0x80
[ 75.514819][ T5319] __kasan_kmalloc+0x93/0xb0
[ 75.516935][ T5319] __kvmalloc_node_noprof+0x5cd/0x910
[ 75.519386][ T5319] drm_gem_get_pages+0x166/0xa20
[ 75.521629][ T5319] drm_gem_shmem_get_pages_locked+0x201/0x440
[ 75.524384][ T5319] drm_gem_shmem_mmap+0x193/0x460
[ 75.526732][ T5319] drm_gem_mmap_obj+0x18a/0x4e0
[ 75.529054][ T5319] drm_gem_mmap+0x384/0x640
[ 75.531097][ T5319] mmap_region+0x18b4/0x2110
[ 75.533067][ T5319] do_mmap+0xc45/0x10d0
[ 75.534775][ T5319] vm_mmap_pgoff+0x2a6/0x4d0
[ 75.536764][ T5319] ksys_mmap_pgoff+0x51f/0x760
[ 75.538957][ T5319] do_syscall_64+0xfa/0xfa0
[ 75.541024][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.543444][ T5319]
[ 75.544520][ T5319] The buggy address belongs to the object at ffff888012324500
[ 75.544520][ T5319] which belongs to the cache kmalloc-192 of size 192
[ 75.550160][ T5319] The buggy address is located 0 bytes to the right of
[ 75.550160][ T5319] allocated 136-byte region [ffff888012324500, ffff888012324588)
[ 75.556290][ T5319]
[ 75.557491][ T5319] The buggy address belongs to the physical page:
[ 75.560339][ T5319] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12324
[ 75.564154][ T5319] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[ 75.567170][ T5319] page_type: f5(slab)
[ 75.568626][ T5319] raw: 00fff00000000000 ffff88801a4413c0 dead000000000100 dead000000000122
[ 75.572065][ T5319] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[ 75.575729][ T5319] page dumped because: kasan: bad access detected
[ 75.578543][ T5319] page_owner tracks the page as allocated
[ 75.581112][ T5319] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x252800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_THISNODE), pid 5296, tgid 5296 (syz-executor), ts 73670053922, free_ts 61112651784
[ 75.589949][ T5319] post_alloc_hook+0x240/0x2a0
[ 75.592095][ T5319] get_page_from_freelist+0x2365/0x2440
[ 75.594556][ T5319] __alloc_pages_slowpath+0x30b/0xcf0
[ 75.596972][ T5319] __alloc_frozen_pages_noprof+0x319/0x370
[ 75.599635][ T5319] allocate_slab+0x71/0x3a0
[ 75.601735][ T5319] ___slab_alloc+0xe94/0x18a0
[ 75.603879][ T5319] __slab_alloc+0x65/0x100
[ 75.605773][ T5319] __kmalloc_node_noprof+0x5cc/0x800
[ 75.608084][ T5319] alloc_slab_obj_exts+0x3d/0xc0
[ 75.610310][ T5319] __memcg_slab_post_alloc_hook+0x31d/0x7d0
[ 75.612901][ T5319] kmem_cache_alloc_lru_noprof+0x410/0x6d0
[ 75.615449][ T5319] shmem_alloc_inode+0x28/0x40
[ 75.617659][ T5319] alloc_inode+0x6a/0x1b0
[ 75.619552][ T5319] new_inode+0x22/0x170
[ 75.621470][ T5319] shmem_get_inode+0x346/0xe90
[ 75.623581][ T5319] shmem_mknod+0x18c/0x3e0
[ 75.625593][ T5319] page last free pid 5282 tgid 5282 stack trace:
[ 75.628587][ T5319] __free_frozen_pages+0xbc4/0xd30
[ 75.631226][ T5319] __slab_free+0x2e7/0x390
[ 75.634020][ T5319] qlist_free_all+0x97/0x140
[ 75.636180][ T5319] kasan_quarantine_reduce+0x148/0x160
[ 75.638521][ T5319] __kasan_slab_alloc+0x22/0x80
[ 75.640755][ T5319] kmem_cache_alloc_lru_noprof+0x35d/0x6d0
[ 75.643396][ T5319] __d_alloc+0x36/0x7a0
[ 75.645336][ T5319] d_alloc_parallel+0xe1/0x1610
[ 75.647656][ T5319] path_openat+0xa3b/0x3830
[ 75.649746][ T5319] do_filp_open+0x1fa/0x410
[ 75.651835][ T5319] do_sys_openat2+0x121/0x1c0
[ 75.653912][ T5319] __x64_sys_openat+0x138/0x170
[ 75.655992][ T5319] do_syscall_64+0xfa/0xfa0
[ 75.658110][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.660808][ T5319]
[ 75.661859][ T5319] Memory state around the buggy address:
[ 75.664358][ T5319] ffff888012324480: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
[ 75.667774][ T5319] ffff888012324500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 75.671196][ T5319] >ffff888012324580: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 75.674770][ T5319] ^
[ 75.676581][ T5319] ffff888012324600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 75.680105][ T5319] ffff888012324680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 75.683560][ T5319] ==================================================================
[ 75.707506][ T5319] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 75.710826][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 75.714809][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 75.720225][ T5319] Call Trace:
[ 75.721781][ T5319]
[ 75.723108][ T5319] dump_stack_lvl+0x99/0x250
[ 75.725261][ T5319] ? __asan_memcpy+0x40/0x70
[ 75.727442][ T5319] ? __pfx_dump_stack_lvl+0x10/0x10
[ 75.729898][ T5319] ? __pfx__printk+0x10/0x10
[ 75.732015][ T5319] vpanic+0x237/0x6d0
[ 75.733755][ T5319] ? __pfx_vpanic+0x10/0x10
[ 75.735732][ T5319] ? preempt_schedule+0xae/0xc0
[ 75.737971][ T5319] ? __pfx_preempt_schedule+0x10/0x10
[ 75.740523][ T5319] panic+0xb9/0xc0
[ 75.742208][ T5319] ? __pfx_panic+0x10/0x10
[ 75.744138][ T5319] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 75.746904][ T5319] ? change_page_attr_set_clr+0x625/0xfc0
[ 75.749305][ T5319] check_panic_on_warn+0x89/0xb0
[ 75.751376][ T5319] ? change_page_attr_set_clr+0x625/0xfc0
[ 75.753817][ T5319] end_report+0x78/0x160
[ 75.755727][ T5319] kasan_report+0x129/0x150
[ 75.757801][ T5319] ? change_page_attr_set_clr+0x625/0xfc0
[ 75.760288][ T5319] change_page_attr_set_clr+0x625/0xfc0
[ 75.762893][ T5319] ? __pfx_change_page_attr_set_clr+0x10/0x10
[ 75.765979][ T5319] ? __pfx_pagerange_is_ram_callback+0x10/0x10
[ 75.769220][ T5319] ? memtype_reserve+0x874/0xb30
[ 75.771810][ T5319] ? __pfx___ww_mutex_lock+0x10/0x10
[ 75.774405][ T5319] _set_pages_array+0x145/0x270
[ 75.776673][ T5319] drm_gem_shmem_get_pages_locked+0x2d0/0x440
[ 75.779528][ T5319] ? __pfx_drm_gem_shmem_get_pages_locked+0x10/0x10
[ 75.782307][ T5319] ? ww_mutex_lock+0x3f/0x1c0
[ 75.784212][ T5319] drm_gem_shmem_mmap+0x193/0x460
[ 75.786267][ T5319] drm_gem_mmap_obj+0x18a/0x4e0
[ 75.788460][ T5319] drm_gem_mmap+0x384/0x640
[ 75.790568][ T5319] ? __pfx_drm_gem_mmap+0x10/0x10
[ 75.792857][ T5319] ? __mas_set_range+0x12f/0x3c0
[ 75.795044][ T5319] mmap_region+0x18b4/0x2110
[ 75.797153][ T5319] ? __pfx_mmap_region+0x10/0x10
[ 75.799627][ T5319] ? __schedule+0x17ae/0x4cc0
[ 75.801796][ T5319] ? rcu_read_lock_sched_held+0x89/0x100
[ 75.804328][ T5319] ? __pfx_rcu_read_lock_sched_held+0x10/0x10
[ 75.807105][ T5319] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 75.810003][ T5319] ? bpf_lsm_mmap_addr+0x9/0x20
[ 75.812238][ T5319] ? security_mmap_addr+0x71/0x270
[ 75.814516][ T5319] ? shmem_mapping+0xd/0x50
[ 75.816530][ T5319] ? memfd_check_seals_mmap+0xc5/0x200
[ 75.818993][ T5319] do_mmap+0xc45/0x10d0
[ 75.820885][ T5319] ? __pfx_do_mmap+0x10/0x10
[ 75.822985][ T5319] ? down_write_killable+0x178/0x230
[ 75.825279][ T5319] ? __pfx_down_write_killable+0x10/0x10
[ 75.827797][ T5319] ? common_file_perm+0x1b5/0x230
[ 75.830118][ T5319] vm_mmap_pgoff+0x2a6/0x4d0
[ 75.832211][ T5319] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 75.834503][ T5319] ? __fget_files+0x2a/0x420
[ 75.836531][ T5319] ? __fget_files+0x2a/0x420
[ 75.838615][ T5319] ? __fget_files+0x2a/0x420
[ 75.840669][ T5319] ksys_mmap_pgoff+0x51f/0x760
[ 75.842828][ T5319] do_syscall_64+0xfa/0xfa0
[ 75.844817][ T5319] ? lockdep_hardirqs_on+0x9c/0x150
[ 75.847053][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.849714][ T5319] ? clear_bhb_loop+0x60/0xb0
[ 75.851760][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.854336][ T5319] RIP: 0033:0x7f2d3158efc9
[ 75.856317][ T5319] 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
[ 75.864419][ T5319] RSP: 002b:00007f2d32367038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 75.868023][ T5319] RAX: ffffffffffffffda RBX: 00007f2d317e5fa0 RCX: 00007f2d3158efc9
[ 75.871286][ T5319] RDX: 0000000000000004 RSI: 0000000000004000 RDI: 0000200000001000
[ 75.874478][ T5319] RBP: 00007f2d31611f91 R08: 0000000000000006 R09: 0000000100000000
[ 75.877802][ T5319] R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
[ 75.881273][ T5319] R13: 00007f2d317e6038 R14: 00007f2d317e5fa0 R15: 00007ffc8e475aa8
[ 75.884783][ T5319]
[ 75.886567][ T5319] Kernel Offset: disabled
[ 75.888338][ T5319] Rebooting in 86400 seconds..