loop0: detected capacity change from 0 to 512 EXT4-fs error (device loop0): ext4_xattr_ibody_find:2240: inode #15: comm syz.0.0: corrupted in-inode xattr: invalid ea_ino EXT4-fs error (device loop0): ext4_orphan_get:1394: comm syz.0.0: couldn't read orphan inode 15 (err -117) EXT4-fs (loop0): mounted filesystem 00000007-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs error (device loop0): ext4_lookup:1813: inode #13: comm syz.0.0: iget: bad extended attribute block 7177 BUG: Bad page map in process syz.0.0 pte:6161616161616161 pmd:36d75067 addr:00007fdc46c00000 vm_flags:0c0444bb anon_vma:0000000000000000 mapping:ffff88801cc1f470 index:faa00 file:resource2 fault:kernfs_vma_fault mmap:kernfs_fop_mmap read_folio:0x0 CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-09734-g445d9f05fa14 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_bad_pte+0x511/0x530 mm/memory.c:542 vm_normal_page+0x155/0x200 zap_present_ptes mm/memory.c:1555 [inline] zap_pte_range mm/memory.c:1627 [inline] zap_pmd_range mm/memory.c:1753 [inline] zap_pud_range mm/memory.c:1782 [inline] zap_p4d_range mm/memory.c:1803 [inline] unmap_page_range+0xaec/0x4230 mm/memory.c:1824 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1914 exit_mmap+0x275/0xc40 mm/mmap.c:1667 __mmput+0x115/0x390 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:570 do_exit+0x9b2/0x28e0 kernel/exit.c:925 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x16b2/0x1750 kernel/signal.c:3016 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdc47b80809 Code: Unable to access opcode bytes at 0x7fdc47b807df. RSP: 002b:00007fdc488b70e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007fdc47d45fa8 RCX: 00007fdc47b80809 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fdc47d45fac RBP: 00007fdc47d45fa0 R08: 7fffffffffffffff R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fdc47d45fac R13: 0000000000000000 R14: 00007ffc13380bc0 R15: 00007ffc13380ca8 BUG: Bad page map in process syz.0.0 pte:8061616161616161 pmd:36d75067 addr:00007fdc46c01000 vm_flags:0c0444bb anon_vma:0000000000000000 mapping:ffff88801cc1f470 index:faa01 file:resource2 fault:kernfs_vma_fault mmap:kernfs_fop_mmap read_folio:0x0 CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Tainted: G B 6.12.0-syzkaller-09734-g445d9f05fa14 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_bad_pte+0x511/0x530 mm/memory.c:542 vm_normal_page+0x155/0x200 zap_present_ptes mm/memory.c:1555 [inline] zap_pte_range mm/memory.c:1627 [inline] zap_pmd_range mm/memory.c:1753 [inline] zap_pud_range mm/memory.c:1782 [inline] zap_p4d_range mm/memory.c:1803 [inline] unmap_page_range+0xaec/0x4230 mm/memory.c:1824 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1914 exit_mmap+0x275/0xc40 mm/mmap.c:1667 __mmput+0x115/0x390 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:570 do_exit+0x9b2/0x28e0 kernel/exit.c:925 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x16b2/0x1750 kernel/signal.c:3016 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdc47b80809 Code: Unable to access opcode bytes at 0x7fdc47b807df. RSP: 002b:00007fdc488b70e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007fdc47d45fa8 RCX: 00007fdc47b80809 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fdc47d45fac RBP: 00007fdc47d45fa0 R08: 7fffffffffffffff R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fdc47d45fac R13: 0000000000000000 R14: 00007ffc13380bc0 R15: 00007ffc13380ca8