F2FS-fs (loop3): Invalid Fs Meta Ino: node(0) meta(2) root(0) F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop3): Unrecognized mount option "whint_mode=user-based" or missing value ================================================================== BUG: KASAN: slab-use-after-free in destroy_device_list fs/f2fs/super.c:1606 [inline] BUG: KASAN: slab-use-after-free in kill_f2fs_super+0x618/0x690 fs/f2fs/super.c:4932 Read of size 4 at addr ffff88802a67977c by task syz-executor.3/9403 CPU: 0 PID: 9403 Comm: syz-executor.3 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0x163/0x540 mm/kasan/report.c:488 kasan_report+0x142/0x170 mm/kasan/report.c:601 destroy_device_list fs/f2fs/super.c:1606 [inline] kill_f2fs_super+0x618/0x690 fs/f2fs/super.c:4932 deactivate_locked_super+0xc1/0x130 fs/super.c:477 mount_bdev+0x222/0x2d0 fs/super.c:1665 legacy_get_tree+0xef/0x190 fs/fs_context.c:662 vfs_get_tree+0x8c/0x2a0 fs/super.c:1784 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+0xf5/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f27b227e4aa Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f27b2f82ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f27b2f82f80 RCX: 00007f27b227e4aa RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007f27b2f82f40 RBP: 0000000020000040 R08: 00007f27b2f82f80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000080 R13: 00007f27b2f82f40 R14: 00000000000054f8 R15: 0000000020000340 Allocated by task 9403: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x70 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:372 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:389 kasan_kmalloc include/linux/kasan.h:211 [inline] kmalloc_trace+0x1d6/0x360 mm/slub.c:4012 kmalloc include/linux/slab.h:590 [inline] kzalloc include/linux/slab.h:711 [inline] f2fs_fill_super+0xce/0x8170 fs/f2fs/super.c:4397 mount_bdev+0x206/0x2d0 fs/super.c:1663 legacy_get_tree+0xef/0x190 fs/fs_context.c:662 vfs_get_tree+0x8c/0x2a0 fs/super.c:1784 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+0xf5/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Freed by task 9403: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x70 mm/kasan/common.c:68 kasan_save_free_info+0x4e/0x60 mm/kasan/generic.c:634 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:241 __kasan_slab_free+0x34/0x60 mm/kasan/common.c:257 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2121 [inline] slab_free mm/slub.c:4299 [inline] kfree+0x14a/0x380 mm/slub.c:4409 f2fs_fill_super+0x6b04/0x8170 fs/f2fs/super.c:4882 mount_bdev+0x206/0x2d0 fs/super.c:1663 legacy_get_tree+0xef/0x190 fs/fs_context.c:662 vfs_get_tree+0x8c/0x2a0 fs/super.c:1784 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+0xf5/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b The buggy address belongs to the object at ffff88802a678000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 6012 bytes inside of freed 8192-byte region [ffff88802a678000, ffff88802a67a000) The buggy address belongs to the physical page: page:ffffea0000a99e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2a678 head:ffffea0000a99e00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888012c42280 ffffea0000b14000 dead000000000002 raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 16768381638, free_ts 0 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c:1540 [inline] get_page_from_freelist+0x33ea/0x3570 mm/page_alloc.c:3311 __alloc_pages+0x255/0x680 mm/page_alloc.c:4567 __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:2190 allocate_slab mm/slub.c:2354 [inline] new_slab+0x84/0x2f0 mm/slub.c:2407 ___slab_alloc+0xd17/0x13d0 mm/slub.c:3540 __slab_alloc mm/slub.c:3625 [inline] __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] kmalloc_trace+0x25d/0x360 mm/slub.c:4007 kmalloc include/linux/slab.h:590 [inline] kzalloc include/linux/slab.h:711 [inline] cryptomgr_schedule_probe crypto/algboss.c:85 [inline] cryptomgr_notify+0x84/0xb20 crypto/algboss.c:226 notifier_call_chain+0x18c/0x3b0 kernel/notifier.c:93 blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:388 crypto_probing_notify crypto/api.c:305 [inline] crypto_alg_mod_lookup+0x4ea/0x720 crypto/api.c:335 crypto_find_alg crypto/api.c:580 [inline] crypto_alloc_tfm_node+0x130/0x350 crypto/api.c:617 seg6_hmac_init_algo net/ipv6/seg6_hmac.c:370 [inline] seg6_hmac_init+0x113/0x3c0 net/ipv6/seg6_hmac.c:400 seg6_init+0x8d/0xe0 net/ipv6/seg6.c:534 inet6_init+0x597/0x6a0 net/ipv6/af_inet6.c:1213 do_one_initcall+0x234/0x810 init/main.c:1236 page_owner free stack trace missing Memory state around the buggy address: ffff88802a679600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802a679680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88802a679700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88802a679780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802a679800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================