F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop4): invalid crc value F2FS-fs (loop4): invalid crc value F2FS-fs (loop4): Failed to get valid F2FS checkpoint ================================================================== BUG: KASAN: slab-use-after-free in destroy_device_list+0x195/0x200 fs/f2fs/super.c:1606 Read of size 4 at addr ffff88802ee3177c by task syz-executor.4/11262 CPU: 1 PID: 11262 Comm: syz-executor.4 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+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0xc4/0x620 mm/kasan/report.c:488 kasan_report+0xda/0x110 mm/kasan/report.c:601 destroy_device_list+0x195/0x200 fs/f2fs/super.c:1606 kill_f2fs_super+0x2c6/0x430 fs/f2fs/super.c:4932 deactivate_locked_super+0xbc/0x1a0 fs/super.c:477 mount_bdev+0x277/0x2d0 fs/super.c:1665 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8c/0x370 fs/super.c:1784 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x14e6/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f153987e4aa 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:00007f153a51cef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f153a51cf80 RCX: 00007f153987e4aa RDX: 00000000200001c0 RSI: 0000000020000080 RDI: 00007f153a51cf40 RBP: 00000000200001c0 R08: 00007f153a51cf80 R09: 0000000000010000 R10: 0000000000010000 R11: 0000000000000202 R12: 0000000020000080 R13: 00007f153a51cf40 R14: 0000000000005537 R15: 0000000020000000 Allocated by task 11262: kasan_save_stack+0x33/0x50 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:372 [inline] __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:389 kmalloc include/linux/slab.h:590 [inline] kzalloc include/linux/slab.h:711 [inline] f2fs_fill_super+0xfe/0x8e50 fs/f2fs/super.c:4397 mount_bdev+0x1df/0x2d0 fs/super.c:1663 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8c/0x370 fs/super.c:1784 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x14e6/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Freed by task 11262: kasan_save_stack+0x33/0x50 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3f/0x60 mm/kasan/generic.c:634 poison_slab_object mm/kasan/common.c:241 [inline] __kasan_slab_free+0x121/0x1b0 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+0x124/0x360 mm/slub.c:4409 f2fs_fill_super+0x270c/0x8e50 fs/f2fs/super.c:4882 mount_bdev+0x1df/0x2d0 fs/super.c:1663 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8c/0x370 fs/super.c:1784 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x14e6/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b The buggy address belongs to the object at ffff88802ee30000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 6012 bytes inside of freed 8192-byte region [ffff88802ee30000, ffff88802ee32000) The buggy address belongs to the physical page: page:ffffea0000bb8c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ee30 head:ffffea0000bb8c00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888013042280 0000000000000000 dead000000000001 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 10590996373, free_ts 10588488488 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2d0/0x350 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c:1540 [inline] get_page_from_freelist+0xa28/0x3780 mm/page_alloc.c:3311 __alloc_pages+0x22f/0x2440 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 mm/slub.c:2190 [inline] allocate_slab mm/slub.c:2354 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2407 ___slab_alloc+0x4af/0x19a0 mm/slub.c:3540 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3625 __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] kmalloc_trace+0x30b/0x340 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+0xa0/0xbb0 crypto/algboss.c:226 notifier_call_chain+0xb6/0x3b0 kernel/notifier.c:93 blocking_notifier_call_chain kernel/notifier.c:388 [inline] blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:376 crypto_probing_notify crypto/api.c:305 [inline] crypto_alg_mod_lookup+0x2a0/0x4b0 crypto/api.c:335 crypto_find_alg crypto/api.c:580 [inline] crypto_alloc_tfm_node+0xd3/0x260 crypto/api.c:617 public_key_verify_signature+0x1cc/0x810 crypto/asymmetric_keys/public_key.c:417 x509_check_for_self_signed+0x31a/0x500 crypto/asymmetric_keys/x509_public_key.c:138 x509_cert_parse+0x614/0x890 crypto/asymmetric_keys/x509_cert_parser.c:133 x509_key_preparse+0x65/0x970 crypto/asymmetric_keys/x509_public_key.c:171 page last free pid 1 tgid 1 stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1140 [inline] free_unref_page_prepare+0x51f/0xb10 mm/page_alloc.c:2346 free_unref_page+0x33/0x3c0 mm/page_alloc.c:2486 __folio_put+0xeb/0x110 mm/swap.c:127 bpf_check+0x1962/0xa330 kernel/bpf/verifier.c:20971 bpf_prog_load+0x14dc/0x2310 kernel/bpf/syscall.c:2769 __sys_bpf+0xbf7/0x4a00 kernel/bpf/syscall.c:5457 ____bpf_sys_bpf kernel/bpf/syscall.c:5592 [inline] kern_sys_bpf+0x13a/0x650 kernel/bpf/syscall.c:5640 skel_sys_bpf tools/lib/bpf/skel_internal.h:75 [inline] bpf_load_and_run.constprop.0+0x28f/0x5e0 tools/lib/bpf/skel_internal.h:341 iterators_bpf__load kernel/bpf/preload/iterators/iterators.lskel-little-endian.h:403 [inline] load_skel kernel/bpf/preload/bpf_preload_kern.c:45 [inline] load+0x147/0x5d0 kernel/bpf/preload/bpf_preload_kern.c:78 do_one_initcall+0x11c/0x650 init/main.c:1236 do_initcall_level init/main.c:1298 [inline] do_initcalls init/main.c:1314 [inline] do_basic_setup init/main.c:1333 [inline] kernel_init_freeable+0x687/0xc10 init/main.c:1551 kernel_init+0x1c/0x2a0 init/main.c:1441 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Memory state around the buggy address: ffff88802ee31600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802ee31680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88802ee31700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88802ee31780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802ee31800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================