loop0: detected capacity change from 0 to 40427 F2FS-fs (loop0): build fault injection rate: 174 F2FS-fs (loop0): build fault injection type: 0x3bfe8c F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 F2FS-fs (loop0): inject inconsistent footer in f2fs_sanity_check_node_footer of __get_node_folio+0x8b5/0xe90 fs/f2fs/node.c:1602 F2FS-fs (loop0): inconsistent node block, node_type:1, nid:23, node_footer[nid:23,ino:23,ofs:0,cpver:0,blkaddr:0] overlayfs: cleanup of 'work/#1' failed (-2) ------------[ cut here ]------------ kernel BUG at fs/f2fs/inode.c:977! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:f2fs_evict_inode+0x1ad8/0x1af0 fs/f2fs/inode.c:977 Code: 00 00 00 e8 aa 08 7f fd 65 49 ff 47 08 49 bc 00 00 00 00 00 fc ff df e9 ba e7 ff ff e8 d1 81 9a fd 90 0f 0b e8 c9 81 9a fd 90 <0f> 0b e8 c1 81 9a fd 90 0f 0b 90 e9 9a fe ff ff 0f 1f 84 00 00 00 RSP: 0018:ffffc9000e23f300 EFLAGS: 00010283 RAX: ffffffff842b2ed7 RBX: ffff8880485a24e0 RCX: 0000000000100000 RDX: ffffc9000ec62000 RSI: 000000000005c6d2 RDI: 000000000005c6d3 RBP: ffffc9000e23f4b0 R08: ffff8880485a2977 R09: 1ffff110090b452e R10: dffffc0000000000 R11: ffffed10090b452f R12: dffffc0000000000 R13: 1ffff110090b44a4 R14: 0000000000000002 R15: ffff8880485a2970 FS: 00007f1a7afa46c0(0000) GS:ffff88808ca52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1a7af456a0 CR3: 0000000034e09000 CR4: 0000000000352ef0 Call Trace: evict+0x61e/0xb10 fs/inode.c:846 dispose_list fs/inode.c:888 [inline] prune_icache_sb+0x223/0x2d0 fs/inode.c:1036 super_cache_scan+0x39b/0x4b0 fs/super.c:225 do_shrink_slab+0x6df/0x1170 mm/shrinker.c:437 shrink_slab_memcg mm/shrinker.c:550 [inline] shrink_slab+0x830/0x1150 mm/shrinker.c:628 drop_slab_node mm/vmscan.c:435 [inline] drop_slab+0x14a/0x290 mm/vmscan.c:453 drop_caches_sysctl_handler+0xc7/0x170 fs/drop_caches.c:68 proc_sys_call_handler+0x517/0x900 fs/proc/proc_sysctl.c:600 do_iter_readv_writev+0x619/0x8c0 fs/read_write.c:-1 vfs_writev+0x33c/0x990 fs/read_write.c:1059 do_writev+0x154/0x2e0 fs/read_write.c:1105 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1a7a19c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1a7afa3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f1a7a415fa0 RCX: 00007f1a7a19c799 RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000006 RBP: 00007f1a7a232c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1a7a416038 R14: 00007f1a7a415fa0 R15: 00007fff3753ad18 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_evict_inode+0x1ad8/0x1af0 fs/f2fs/inode.c:977 Code: 00 00 00 e8 aa 08 7f fd 65 49 ff 47 08 49 bc 00 00 00 00 00 fc ff df e9 ba e7 ff ff e8 d1 81 9a fd 90 0f 0b e8 c9 81 9a fd 90 <0f> 0b e8 c1 81 9a fd 90 0f 0b 90 e9 9a fe ff ff 0f 1f 84 00 00 00 RSP: 0018:ffffc9000e23f300 EFLAGS: 00010283 RAX: ffffffff842b2ed7 RBX: ffff8880485a24e0 RCX: 0000000000100000 RDX: ffffc9000ec62000 RSI: 000000000005c6d2 RDI: 000000000005c6d3 RBP: ffffc9000e23f4b0 R08: ffff8880485a2977 R09: 1ffff110090b452e R10: dffffc0000000000 R11: ffffed10090b452f R12: dffffc0000000000 R13: 1ffff110090b44a4 R14: 0000000000000002 R15: ffff8880485a2970 FS: 00007f1a7afa46c0(0000) GS:ffff88808ca52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001000 CR3: 0000000034e09000 CR4: 0000000000352ef0