F2FS-fs (loop1): Mounted with checkpoint version = 48b305e4 ================================================================== BUG: KASAN: slab-out-of-bounds in f2fs_test_bit fs/f2fs/f2fs.h:2933 [inline] BUG: KASAN: slab-out-of-bounds in current_nat_addr fs/f2fs/node.h:213 [inline] BUG: KASAN: slab-out-of-bounds in f2fs_get_node_info+0xece/0x1200 fs/f2fs/node.c:600 Read of size 1 at addr ffff88802a42cbec by task syz-executor.1/19856 CPU: 1 PID: 19856 Comm: syz-executor.1 Not tainted 6.9.0-rc4-syzkaller-00266-g977b1ef51866 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 f2fs_test_bit fs/f2fs/f2fs.h:2933 [inline] current_nat_addr fs/f2fs/node.h:213 [inline] f2fs_get_node_info+0xece/0x1200 fs/f2fs/node.c:600 f2fs_xattr_fiemap fs/f2fs/data.c:1848 [inline] f2fs_fiemap+0x55d/0x1ee0 fs/f2fs/data.c:1925 ioctl_fiemap fs/ioctl.c:220 [inline] do_vfs_ioctl+0x1c07/0x2e50 fs/ioctl.c:838 __do_sys_ioctl fs/ioctl.c:902 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2fec67dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2fed4250c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2fec7abf80 RCX: 00007f2fec67dea9 RDX: 0000000020000040 RSI: 00000000c020660b RDI: 0000000000000005 RBP: 00007f2fec6ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2fec7abf80 R15: 00007ffda05eaff8 Allocated by task 19856: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slub.c:3966 [inline] __kmalloc_node_track_caller+0x24e/0x4e0 mm/slub.c:3986 kmemdup+0x2a/0x60 mm/util.c:131 init_node_manager fs/f2fs/node.c:3268 [inline] f2fs_build_node_manager+0x8cc/0x2870 fs/f2fs/node.c:3329 f2fs_fill_super+0x583c/0x8120 fs/f2fs/super.c:4540 mount_bdev+0x20a/0x2d0 fs/super.c:1658 legacy_get_tree+0xee/0x190 fs/fs_context.c:662 vfs_get_tree+0x90/0x2a0 fs/super.c:1779 do_new_mount+0x2be/0xb40 fs/namespace.c:3352 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88802a42cb80 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 44 bytes to the right of allocated 64-byte region [ffff88802a42cb80, ffff88802a42cbc0) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2a42c flags: 0xfff80000000800(slab|node=0|zone=1|lastcpupid=0xfff) page_type: 0xffffffff() raw: 00fff80000000800 ffff888015041640 ffffea0000b5d740 dead000000000004 raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 117443697 (swapper/0), ts 1, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1534 prep_new_page mm/page_alloc.c:1541 [inline] get_page_from_freelist+0x3410/0x35b0 mm/page_alloc.c:3317 __alloc_pages+0x256/0x6c0 mm/page_alloc.c:4575 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page+0x5f/0x160 mm/slub.c:2175 allocate_slab mm/slub.c:2338 [inline] new_slab+0x84/0x2f0 mm/slub.c:2391 ___slab_alloc+0xc73/0x1260 mm/slub.c:3525 __slab_alloc mm/slub.c:3610 [inline] __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] __do_kmalloc_node mm/slub.c:3965 [inline] __kmalloc+0x2e5/0x4a0 mm/slub.c:3979 kmalloc include/linux/slab.h:632 [inline] kzalloc include/linux/slab.h:749 [inline] tomoyo_get_name+0x202/0x520 security/tomoyo/memory.c:173 tomoyo_parse_name_union+0x14a/0x1c0 security/tomoyo/util.c:260 tomoyo_update_mkdev_acl security/tomoyo/file.c:471 [inline] tomoyo_write_file+0xa16/0xe50 security/tomoyo/file.c:1040 tomoyo_write_domain2+0x1e0/0x250 security/tomoyo/common.c:1144 tomoyo_add_entry security/tomoyo/common.c:2034 [inline] tomoyo_supervisor+0xf06/0x11f0 security/tomoyo/common.c:2095 tomoyo_audit_mkdev_log security/tomoyo/file.c:197 [inline] tomoyo_mkdev_perm+0x4fb/0x870 security/tomoyo/file.c:885 tomoyo_path_mknod+0x125/0x1b0 security/tomoyo/tomoyo.c:242 security_path_mknod+0xf8/0x150 security/security.c:1791 init_mknod+0x250/0x380 fs/init.c:157 page_owner free stack trace missing Memory state around the buggy address: ffff88802a42ca80: 00 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc ffff88802a42cb00: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc >ffff88802a42cb80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ^ ffff88802a42cc00: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc ffff88802a42cc80: 00 00 00 00 02 fc fc fc fc fc fc fc fc fc fc fc ==================================================================