loop0: detected capacity change from 0 to 40427 F2FS-fs (loop0): Invalid log_blocksize (268), supports only 12 F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop0): Found nat_bits in checkpoint F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 F2FS-fs (loop0): access invalid blkaddr:2 CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc6-syzkaller-00003-g4d872d51bc9d #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 __f2fs_is_valid_blkaddr+0xe16/0x1460 fs/f2fs/checkpoint.c:213 f2fs_get_read_data_page+0x40c/0xb30 fs/f2fs/data.c:1235 f2fs_get_lock_data_page+0x55/0x440 fs/f2fs/data.c:1310 f2fs_get_new_data_page+0x421/0xa50 fs/f2fs/data.c:1371 f2fs_add_regular_entry+0x651/0xdc0 fs/f2fs/dir.c:700 f2fs_add_inline_entries fs/f2fs/inline.c:522 [inline] f2fs_move_rehashed_dirents fs/f2fs/inline.c:554 [inline] do_convert_inline_dir+0x834/0x2510 fs/f2fs/inline.c:592 f2fs_add_inline_entry+0x476/0x860 fs/f2fs/inline.c:656 f2fs_add_dentry+0xba/0x1e0 fs/f2fs/dir.c:765 f2fs_do_add_link+0x28c/0x3a0 fs/f2fs/dir.c:808 f2fs_add_link fs/f2fs/f2fs.h:3616 [inline] f2fs_link+0x3f1/0x700 fs/f2fs/namei.c:431 vfs_link+0x4f0/0x6e0 fs/namei.c:4795 do_linkat+0x555/0x6f0 fs/namei.c:4865 __do_sys_link fs/namei.c:4899 [inline] __se_sys_link fs/namei.c:4897 [inline] __x64_sys_link+0x82/0x90 fs/namei.c:4897 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7f8218d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7f83003038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 RAX: ffffffffffffffda RBX: 00007f7f823a5fa0 RCX: 00007f7f8218d169 RDX: 0000000000000000 RSI: 00004000000007c0 RDI: 0000400000001240 RBP: 00007f7f8220e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7f823a5fa0 R15: 00007ffe1e989b18 ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/f2fs/node.h:381:10 index 18446744073709550692 is out of range for type '__le32[5]' (aka 'unsigned int[5]') CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc6-syzkaller-00003-g4d872d51bc9d #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_out_of_bounds+0x121/0x150 lib/ubsan.c:429 get_nid fs/f2fs/node.h:381 [inline] f2fs_truncate_inode_blocks+0xa5e/0xf60 fs/f2fs/node.c:1181 f2fs_do_truncate_blocks+0x782/0x1030 fs/f2fs/file.c:808 f2fs_truncate_blocks+0x10d/0x300 fs/f2fs/file.c:836 f2fs_add_inline_entries fs/f2fs/inline.c:531 [inline] f2fs_move_rehashed_dirents fs/f2fs/inline.c:554 [inline] do_convert_inline_dir+0x10ed/0x2510 fs/f2fs/inline.c:592 f2fs_add_inline_entry+0x476/0x860 fs/f2fs/inline.c:656 f2fs_add_dentry+0xba/0x1e0 fs/f2fs/dir.c:765 f2fs_do_add_link+0x28c/0x3a0 fs/f2fs/dir.c:808 f2fs_add_link fs/f2fs/f2fs.h:3616 [inline] f2fs_link+0x3f1/0x700 fs/f2fs/namei.c:431 vfs_link+0x4f0/0x6e0 fs/namei.c:4795 do_linkat+0x555/0x6f0 fs/namei.c:4865 __do_sys_link fs/namei.c:4899 [inline] __se_sys_link fs/namei.c:4897 [inline] __x64_sys_link+0x82/0x90 fs/namei.c:4897 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7f8218d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7f83003038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 RAX: ffffffffffffffda RBX: 00007f7f823a5fa0 RCX: 00007f7f8218d169 RDX: 0000000000000000 RSI: 00004000000007c0 RDI: 0000400000001240 RBP: 00007f7f8220e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7f823a5fa0 R15: 00007ffe1e989b18 ---[ end trace ]---