==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db000 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Not tainted 6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db001 by task syz-executor299/5057

CPU: 1 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db002 by task syz-executor299/5057

CPU: 1 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db003 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db004 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db005 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db006 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db007 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db008 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db009 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db00a by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db00b by task syz-executor299/5057

CPU: 1 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db00c by task syz-executor299/5057

CPU: 1 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db00d by task syz-executor299/5057

CPU: 1 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db00e by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db00f by task syz-executor299/5057

CPU: 1 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db010 by task syz-executor299/5057

CPU: 1 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                         ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db011 by task syz-executor299/5057

CPU: 1 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                         ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db012 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5045, tgid 5045 (sshd), ts 49794200068, free_ts 49841228228
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
 __folio_alloc+0x16/0x40 mm/page_alloc.c:4458
 vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2264
 do_anonymous_page mm/memory.c:4113 [inline]
 do_pte_missing mm/memory.c:3670 [inline]
 handle_pte_fault mm/memory.c:4981 [inline]
 __handle_mm_fault+0xe67/0x3e10 mm/memory.c:5122
 handle_mm_fault+0x478/0xa00 mm/memory.c:5287
 do_user_addr_fault+0x30b/0x1000 arch/x86/mm/fault.c:1364
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2451
 release_pages+0x32a/0x14e0 mm/swap.c:1042
 tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:98
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu mm/mmu_gather.c:300 [inline]
 tlb_finish_mmu+0x14b/0x6f0 mm/mmu_gather.c:392
 unmap_region.constprop.0+0x2e6/0x3b0 mm/mmap.c:2338
 do_vmi_align_munmap+0xddc/0x15f0 mm/mmap.c:2575
 do_vmi_munmap+0x20e/0x450 mm/mmap.c:2643
 __vm_munmap+0x144/0x390 mm/mmap.c:2928
 __do_sys_munmap mm/mmap.c:2945 [inline]
 __se_sys_munmap mm/mmap.c:2942 [inline]
 __x64_sys_munmap+0x62/0x80 mm/mmap.c:2942
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffff8880722daf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880722daf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880722db000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                         ^
 ffff8880722db080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880722db100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff8880722db013 by task syz-executor299/5057

CPU: 0 PID: 5057 Comm: syz-executor299 Tainted: G    B              6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 crc_itu_t+0xd7/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xf2/0x1f0 fs/udf/super.c:1984
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2340
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f544687e9c9
Code: Unable to access opcode bytes at 0x7f544687e99f.
RSP: 002b:00007fff6c29d0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f544687e9c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f544691a2d0 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000001400 R11: 0000000000000246 R12: 00007f544691a2d0
R13: 0000000000000000 R14: 00007f544691b040 R15: 00007f544684cf20
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c8b6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x722db
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001c8b708 ffffea0001c82548 0000000000000000