REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names ================================================================== BUG: KASAN: out-of-bounds in instrument_atomic_read include/linux/instrumented.h:71 [inline] BUG: KASAN: out-of-bounds in test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] BUG: KASAN: out-of-bounds in test_bit_le include/asm-generic/bitops/le.h:85 [inline] BUG: KASAN: out-of-bounds in reiserfs_readdir_inode+0x5d8/0x14d0 fs/reiserfs/dir.c:147 Read of size 8 at addr ffff888071adb000 by task syz-executor204/3499 CPU: 0 PID: 3499 Comm: syz-executor204 Not tainted 5.15.109-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description+0x63/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x16b/0x1c0 mm/kasan/report.c:451 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] test_bit_le include/asm-generic/bitops/le.h:85 [inline] reiserfs_readdir_inode+0x5d8/0x14d0 fs/reiserfs/dir.c:147 iterate_dir+0x224/0x570 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64+0x209/0x4f0 fs/readdir.c:354 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f5b357182e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcdb0866f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007ffcdb086748 RCX: 00007f5b357182e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00007ffcdb086820 R09: 00007ffcdb086820 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcdb086740 R13: 00007ffcdb086820 R14: 431bde82d7b634db R15: 00007ffcdb086720 The buggy address belongs to the page: page:ffffea0001c6b6c0 refcount:1 mapcount:1 mapping:0000000000000000 index:0x7fffffff4 pfn:0x71adb memcg:ffff888011e5c000 anon flags: 0xfff00000080014(uptodate|lru|swapbacked|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000080014 ffffea0001c9ccc8 ffffea0001c6b708 ffff888024f13bb1 raw: 00000007fffffff4 0000000000000000 0000000100000000 ffff888011e5c000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x1100cca(GFP_HIGHUSER_MOVABLE), pid 2962, ts 60302495732, free_ts 10649780676 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159 __alloc_pages+0x272/0x700 mm/page_alloc.c:5421 alloc_pages_vma+0x39a/0x800 mm/mempolicy.c:2146 wp_page_copy+0x26c/0x2000 mm/memory.c:3016 handle_pte_fault mm/memory.c:4626 [inline] __handle_mm_fault mm/memory.c:4743 [inline] handle_mm_fault+0x2a3d/0x5950 mm/memory.c:4841 do_user_addr_fault arch/x86/mm/fault.c:1397 [inline] handle_page_fault arch/x86/mm/fault.c:1485 [inline] exc_page_fault+0x271/0x740 arch/x86/mm/fault.c:1541 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396 free_contig_range+0x95/0xf0 mm/page_alloc.c:9340 destroy_args+0xfe/0x97f mm/debug_vm_pgtable.c:1018 debug_vm_pgtable+0x40d/0x462 mm/debug_vm_pgtable.c:1331 do_one_initcall+0x22b/0x7a0 init/main.c:1306 do_initcall_level+0x157/0x207 init/main.c:1379 do_initcalls+0x49/0x86 init/main.c:1395 kernel_init_freeable+0x43c/0x5c5 init/main.c:1619 kernel_init+0x19/0x290 init/main.c:1510 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Memory state around the buggy address: ffff888071adaf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888071adaf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888071adb000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff888071adb080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888071adb100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================