Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in f2fs_write_inline_data 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 ------------[ cut here ]------------ kernel BUG at fs/f2fs/inline.c:276! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 5967 Comm: syz-executor Not tainted 6.9.0-syzkaller-10227-g9ee8c306dc6b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:f2fs_write_inline_data+0x781/0x790 fs/f2fs/inline.c:276 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e3 fc ff ff 48 89 df e8 cf da 09 fe e9 d6 fc ff ff e8 75 68 96 07 e8 30 03 a4 fd 90 <0f> 0b e8 28 03 a4 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000352eb20 EFLAGS: 00010293 RAX: ffffffff83f22ec0 RBX: 0000000000000001 RCX: ffff888024a21e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000352ec50 R08: ffffffff83f22985 R09: 1ffff1100d23c095 R10: dffffc0000000000 R11: ffffed100d23c096 R12: ffffc9000352eba8 R13: 1ffff1100d23c095 R14: ffffc9000352eba0 R15: ffffc9000352ebb0 FS: 00007efdd7bfa6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 000000007ac94000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> f2fs_write_single_data_page+0xbb6/0x1e90 fs/f2fs/data.c:2888 f2fs_write_cache_pages fs/f2fs/data.c:3187 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3342 [inline] f2fs_write_data_pages+0x1efe/0x3a90 fs/f2fs/data.c:3369 do_writepages+0x359/0x870 mm/page-writeback.c:2634 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:397 __filemap_fdatawrite_range mm/filemap.c:430 [inline] file_write_and_wait_range+0x1aa/0x290 mm/filemap.c:788 f2fs_do_sync_file+0x68a/0x1ae0 fs/f2fs/file.c:276 generic_write_sync include/linux/fs.h:2806 [inline] f2fs_file_write_iter+0x7bd/0x24e0 fs/f2fs/file.c:4977 call_write_iter include/linux/fs.h:2114 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa72/0xc90 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 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: 0033:0x7efdd6e7cee9 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:00007efdd7bfa0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007efdd6fb3fa0 RCX: 00007efdd6e7cee9 RDX: 0000000000002000 RSI: 0000000020000040 RDI: 0000000000000006 RBP: 00007efdd6ec947f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007efdd6fb3fa0 R15: 00007ffd0e21ca28 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_write_inline_data+0x781/0x790 fs/f2fs/inline.c:276 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e3 fc ff ff 48 89 df e8 cf da 09 fe e9 d6 fc ff ff e8 75 68 96 07 e8 30 03 a4 fd 90 <0f> 0b e8 28 03 a4 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000352eb20 EFLAGS: 00010293 RAX: ffffffff83f22ec0 RBX: 0000000000000001 RCX: ffff888024a21e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000352ec50 R08: ffffffff83f22985 R09: 1ffff1100d23c095 R10: dffffc0000000000 R11: ffffed100d23c096 R12: ffffc9000352eba8 R13: 1ffff1100d23c095 R14: ffffc9000352eba0 R15: ffffc9000352ebb0 FS: 00007efdd7bfa6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 000000007ac94000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Tested on: commit: 9ee8c306 f2fs: fix to truncate preallocated blocks in .. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git wip console output: https://syzkaller.appspot.com/x/log.txt?x=12ab0a4a980000 kernel config: https://syzkaller.appspot.com/x/.config?x=48a63c58ee55467e dashboard link: https://syzkaller.appspot.com/bug?extid=848062ba19c8782ca5c8 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied.
