program:
syz_open_dev$sg(0x0, 0x0, 0x20002)
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
gettid()
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r1, 0xc02064b2, &(0x7f0000000040)={0x3, 0x6576, 0xd})
mmap(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x4, 0x11, r1, 0x100000000)
sendmmsg$inet6(r0, &(0x7f00000080c0)=[{{&(0x7f0000000480)={0xa, 0x4e1e, 0x8, @private2={0xfc, 0x2, '\x00', 0x2}, 0x6}, 0x1c, &(0x7f00000004c0)=[{&(0x7f0000001880)="02", 0x1}], 0x1}}], 0x1, 0x931766f6319eed40)
[ 68.101255][ T4664] Bluetooth: hci0: command tx timeout
[ 68.180782][ T5315] ==================================================================
[ 68.183718][ T5315] BUG: KASAN: slab-out-of-bounds in change_page_attr_set_clr+0x625/0xfc0
[ 68.186571][ T5315] Read of size 8 at addr ffff88803f34c8f8 by task syz.0.0/5315
[ 68.189181][ T5315]
[ 68.190023][ T5315] CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 68.190038][ T5315] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 68.190046][ T5315] Call Trace:
[ 68.190052][ T5315]
[ 68.190058][ T5315] dump_stack_lvl+0x189/0x250
[ 68.190074][ T5315] ? __kasan_check_byte+0x12/0x40
[ 68.190115][ T5315] ? __pfx_dump_stack_lvl+0x10/0x10
[ 68.190123][ T5315] ? lock_release+0x4b/0x3e0
[ 68.190133][ T5315] ? __virt_addr_valid+0x4a5/0x5c0
[ 68.190141][ T5315] print_report+0xca/0x240
[ 68.190150][ T5315] ? change_page_attr_set_clr+0x625/0xfc0
[ 68.190159][ T5315] kasan_report+0x118/0x150
[ 68.190167][ T5315] ? change_page_attr_set_clr+0x625/0xfc0
[ 68.190182][ T5315] change_page_attr_set_clr+0x625/0xfc0
[ 68.190195][ T5315] ? __pfx_change_page_attr_set_clr+0x10/0x10
[ 68.190207][ T5315] ? __pfx_pagerange_is_ram_callback+0x10/0x10
[ 68.190218][ T5315] ? memtype_reserve+0x874/0xb30
[ 68.190232][ T5315] ? __pfx___ww_mutex_lock+0x10/0x10
[ 68.190273][ T5315] _set_pages_array+0x145/0x270
[ 68.190290][ T5315] drm_gem_shmem_get_pages_locked+0x2d0/0x440
[ 68.190308][ T5315] ? __pfx_drm_gem_shmem_get_pages_locked+0x10/0x10
[ 68.190325][ T5315] ? ww_mutex_lock+0x3f/0x1c0
[ 68.190336][ T5315] drm_gem_shmem_mmap+0x193/0x460
[ 68.190349][ T5315] drm_gem_mmap_obj+0x18a/0x4e0
[ 68.190357][ T5315] drm_gem_mmap+0x384/0x640
[ 68.190364][ T5315] ? __pfx_drm_gem_mmap+0x10/0x10
[ 68.190371][ T5315] ? __mas_set_range+0x12f/0x3c0
[ 68.190381][ T5315] mmap_region+0x18b4/0x2110
[ 68.190392][ T5315] ? __pfx_mmap_region+0x10/0x10
[ 68.190399][ T5315] ? __schedule+0x17ae/0x4cc0
[ 68.190408][ T5315] ? rcu_read_lock_sched_held+0x89/0x100
[ 68.190418][ T5315] ? __pfx_rcu_read_lock_sched_held+0x10/0x10
[ 68.190439][ T5315] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 68.190456][ T5315] ? bpf_lsm_mmap_addr+0x9/0x20
[ 68.190467][ T5315] ? security_mmap_addr+0x71/0x270
[ 68.190481][ T5315] ? shmem_mapping+0xd/0x50
[ 68.190494][ T5315] ? memfd_check_seals_mmap+0xc5/0x200
[ 68.190507][ T5315] do_mmap+0xc45/0x10d0
[ 68.190523][ T5315] ? __pfx_do_mmap+0x10/0x10
[ 68.190534][ T5315] ? down_write_killable+0x178/0x230
[ 68.190547][ T5315] ? __pfx_down_write_killable+0x10/0x10
[ 68.190558][ T5315] ? common_file_perm+0x1b5/0x230
[ 68.190574][ T5315] vm_mmap_pgoff+0x2a6/0x4d0
[ 68.190588][ T5315] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 68.190600][ T5315] ? __fget_files+0x2a/0x420
[ 68.190611][ T5315] ? __fget_files+0x2a/0x420
[ 68.190620][ T5315] ? __fget_files+0x2a/0x420
[ 68.190630][ T5315] ksys_mmap_pgoff+0x51f/0x760
[ 68.190646][ T5315] do_syscall_64+0xfa/0xfa0
[ 68.190656][ T5315] ? lockdep_hardirqs_on+0x9c/0x150
[ 68.190672][ T5315] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.190682][ T5315] ? clear_bhb_loop+0x60/0xb0
[ 68.190692][ T5315] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.190699][ T5315] RIP: 0033:0x7f0f7b18eec9
[ 68.190708][ T5315] 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
[ 68.190714][ T5315] RSP: 002b:00007f0f7bf90038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 68.190722][ T5315] RAX: ffffffffffffffda RBX: 00007f0f7b3e5fa0 RCX: 00007f0f7b18eec9
[ 68.190727][ T5315] RDX: 0000000000000004 RSI: 0000000000004000 RDI: 0000200000001000
[ 68.190731][ T5315] RBP: 00007f0f7b211f91 R08: 0000000000000005 R09: 0000000100000000
[ 68.190735][ T5315] R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
[ 68.190739][ T5315] R13: 00007f0f7b3e6038 R14: 00007f0f7b3e5fa0 R15: 00007ffc94b88e58
[ 68.190773][ T5315]
[ 68.190778][ T5315]
[ 68.340079][ T5315] Allocated by task 5315:
[ 68.341700][ T5315] kasan_save_track+0x3e/0x80
[ 68.343551][ T5315] __kasan_kmalloc+0x93/0xb0
[ 68.345312][ T5315] __kvmalloc_node_noprof+0x5cd/0x910
[ 68.347628][ T5315] drm_gem_get_pages+0x166/0xa20
[ 68.349464][ T5315] drm_gem_shmem_get_pages_locked+0x201/0x440
[ 68.351919][ T5315] drm_gem_shmem_mmap+0x193/0x460
[ 68.354059][ T5315] drm_gem_mmap_obj+0x18a/0x4e0
[ 68.356179][ T5315] drm_gem_mmap+0x384/0x640
[ 68.358229][ T5315] mmap_region+0x18b4/0x2110
[ 68.360275][ T5315] do_mmap+0xc45/0x10d0
[ 68.362083][ T5315] vm_mmap_pgoff+0x2a6/0x4d0
[ 68.364182][ T5315] ksys_mmap_pgoff+0x51f/0x760
[ 68.366259][ T5315] do_syscall_64+0xfa/0xfa0
[ 68.368273][ T5315] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.370708][ T5315]
[ 68.371770][ T5315] The buggy address belongs to the object at ffff88803f34c800
[ 68.371770][ T5315] which belongs to the cache kmalloc-256 of size 256
[ 68.378507][ T5315] The buggy address is located 0 bytes to the right of
[ 68.378507][ T5315] allocated 248-byte region [ffff88803f34c800, ffff88803f34c8f8)
[ 68.384515][ T5315]
[ 68.385612][ T5315] The buggy address belongs to the physical page:
[ 68.388326][ T5315] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803f34ca00 pfn:0x3f34c
[ 68.393064][ T5315] flags: 0x4fff00000000200(workingset|node=1|zone=1|lastcpupid=0x7ff)
[ 68.396836][ T5315] page_type: f5(slab)
[ 68.398559][ T5315] raw: 04fff00000000200 ffff88801a441b40 ffffea0000fcda90 ffff888030400708
[ 68.402108][ T5315] raw: ffff88803f34ca00 0000000000080006 00000000f5000000 0000000000000000
[ 68.405608][ T5315] page dumped because: kasan: bad access detected
[ 68.408229][ T5315] page_owner tracks the page as allocated
[ 68.410504][ T5315] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 23271887145, free_ts 23269894374
[ 68.417924][ T5315] post_alloc_hook+0x240/0x2a0
[ 68.419961][ T5315] get_page_from_freelist+0x2365/0x2440
[ 68.422228][ T5315] __alloc_frozen_pages_noprof+0x181/0x370
[ 68.424722][ T5315] alloc_pages_mpol+0x232/0x4a0
[ 68.426767][ T5315] allocate_slab+0x96/0x3a0
[ 68.428710][ T5315] ___slab_alloc+0xe94/0x18a0
[ 68.430689][ T5315] __slab_alloc+0x65/0x100
[ 68.432593][ T5315] __kmalloc_node_track_caller_noprof+0x5c7/0x800
[ 68.435343][ T5315] krealloc_node_align_noprof+0x140/0x390
[ 68.437699][ T5315] add_sysfs_param+0xd4/0xa30
[ 68.439634][ T5315] kernel_add_sysfs_param+0x7f/0xe0
[ 68.441889][ T5315] param_sysfs_builtin+0x18a/0x230
[ 68.444019][ T5315] param_sysfs_builtin_init+0x23/0x30
[ 68.446251][ T5315] do_one_initcall+0x236/0x820
[ 68.448350][ T5315] do_initcall_level+0x104/0x190
[ 68.450897][ T5315] do_initcalls+0x59/0xa0
[ 68.453011][ T5315] page last free pid 10 tgid 10 stack trace:
[ 68.455480][ T5315] __free_frozen_pages+0xbc4/0xd30
[ 68.457583][ T5315] vfree+0x25a/0x400
[ 68.459290][ T5315] delayed_vfree_work+0x55/0x80
[ 68.461447][ T5315] process_scheduled_works+0xae1/0x17b0
[ 68.464023][ T5315] worker_thread+0x8a0/0xda0
[ 68.466021][ T5315] kthread+0x711/0x8a0
[ 68.467804][ T5315] ret_from_fork+0x4bc/0x870
[ 68.469796][ T5315] ret_from_fork_asm+0x1a/0x30
[ 68.471852][ T5315]
[ 68.472957][ T5315] Memory state around the buggy address:
[ 68.475431][ T5315] ffff88803f34c780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 68.478768][ T5315] ffff88803f34c800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 68.482077][ T5315] >ffff88803f34c880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[ 68.485547][ T5315] ^
[ 68.488892][ T5315] ffff88803f34c900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 68.492244][ T5315] ffff88803f34c980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 68.495600][ T5315] ==================================================================
[ 68.518833][ T5315] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 68.521943][ T5315] CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 68.525654][ T5315] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 68.530282][ T5315] Call Trace:
[ 68.531737][ T5315]
[ 68.533031][ T5315] dump_stack_lvl+0x99/0x250
[ 68.534969][ T5315] ? __asan_memcpy+0x40/0x70
[ 68.537009][ T5315] ? __pfx_dump_stack_lvl+0x10/0x10
[ 68.539148][ T5315] ? __pfx__printk+0x10/0x10
[ 68.541077][ T5315] vpanic+0x237/0x6d0
[ 68.542915][ T5315] ? __pfx_vpanic+0x10/0x10
[ 68.544861][ T5315] ? preempt_schedule+0xae/0xc0
[ 68.546974][ T5315] ? __pfx_preempt_schedule+0x10/0x10
[ 68.549454][ T5315] panic+0xb9/0xc0
[ 68.551242][ T5315] ? __pfx_panic+0x10/0x10
[ 68.553258][ T5315] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 68.555751][ T5315] ? change_page_attr_set_clr+0x625/0xfc0
[ 68.558209][ T5315] check_panic_on_warn+0x89/0xb0
[ 68.560414][ T5315] ? change_page_attr_set_clr+0x625/0xfc0
[ 68.562909][ T5315] end_report+0x78/0x160
[ 68.564670][ T5315] kasan_report+0x129/0x150
[ 68.566590][ T5315] ? change_page_attr_set_clr+0x625/0xfc0
[ 68.569018][ T5315] change_page_attr_set_clr+0x625/0xfc0
[ 68.571398][ T5315] ? __pfx_change_page_attr_set_clr+0x10/0x10
[ 68.573966][ T5315] ? __pfx_pagerange_is_ram_callback+0x10/0x10
[ 68.576581][ T5315] ? memtype_reserve+0x874/0xb30
[ 68.578704][ T5315] ? __pfx___ww_mutex_lock+0x10/0x10
[ 68.581245][ T5315] _set_pages_array+0x145/0x270
[ 68.583675][ T5315] drm_gem_shmem_get_pages_locked+0x2d0/0x440
[ 68.586272][ T5315] ? __pfx_drm_gem_shmem_get_pages_locked+0x10/0x10
[ 68.589068][ T5315] ? ww_mutex_lock+0x3f/0x1c0
[ 68.591212][ T5315] drm_gem_shmem_mmap+0x193/0x460
[ 68.593388][ T5315] drm_gem_mmap_obj+0x18a/0x4e0
[ 68.595468][ T5315] drm_gem_mmap+0x384/0x640
[ 68.597380][ T5315] ? __pfx_drm_gem_mmap+0x10/0x10
[ 68.599575][ T5315] ? __mas_set_range+0x12f/0x3c0
[ 68.601770][ T5315] mmap_region+0x18b4/0x2110
[ 68.603780][ T5315] ? __pfx_mmap_region+0x10/0x10
[ 68.605864][ T5315] ? __schedule+0x17ae/0x4cc0
[ 68.607907][ T5315] ? rcu_read_lock_sched_held+0x89/0x100
[ 68.610271][ T5315] ? __pfx_rcu_read_lock_sched_held+0x10/0x10
[ 68.612995][ T5315] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 68.616025][ T5315] ? bpf_lsm_mmap_addr+0x9/0x20
[ 68.618128][ T5315] ? security_mmap_addr+0x71/0x270
[ 68.620321][ T5315] ? shmem_mapping+0xd/0x50
[ 68.622256][ T5315] ? memfd_check_seals_mmap+0xc5/0x200
[ 68.624572][ T5315] do_mmap+0xc45/0x10d0
[ 68.626389][ T5315] ? __pfx_do_mmap+0x10/0x10
[ 68.628396][ T5315] ? down_write_killable+0x178/0x230
[ 68.630679][ T5315] ? __pfx_down_write_killable+0x10/0x10
[ 68.633148][ T5315] ? common_file_perm+0x1b5/0x230
[ 68.635343][ T5315] vm_mmap_pgoff+0x2a6/0x4d0
[ 68.637623][ T5315] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 68.639827][ T5315] ? __fget_files+0x2a/0x420
[ 68.641749][ T5315] ? __fget_files+0x2a/0x420
[ 68.643659][ T5315] ? __fget_files+0x2a/0x420
[ 68.645634][ T5315] ksys_mmap_pgoff+0x51f/0x760
[ 68.647743][ T5315] do_syscall_64+0xfa/0xfa0
[ 68.649640][ T5315] ? lockdep_hardirqs_on+0x9c/0x150
[ 68.651860][ T5315] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.654364][ T5315] ? clear_bhb_loop+0x60/0xb0
[ 68.656537][ T5315] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.659168][ T5315] RIP: 0033:0x7f0f7b18eec9
[ 68.661138][ T5315] 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
[ 68.669220][ T5315] RSP: 002b:00007f0f7bf90038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 68.672695][ T5315] RAX: ffffffffffffffda RBX: 00007f0f7b3e5fa0 RCX: 00007f0f7b18eec9
[ 68.676068][ T5315] RDX: 0000000000000004 RSI: 0000000000004000 RDI: 0000200000001000
[ 68.679486][ T5315] RBP: 00007f0f7b211f91 R08: 0000000000000005 R09: 0000000100000000
[ 68.682603][ T5315] R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
[ 68.685807][ T5315] R13: 00007f0f7b3e6038 R14: 00007f0f7b3e5fa0 R15: 00007ffc94b88e58
[ 68.688989][ T5315]
[ 68.690550][ T5315] Kernel Offset: disabled
[ 68.692293][ T5315] Rebooting in 86400 seconds..