F2FS-fs (loop0): inject invalid blkaddr in f2fs_is_valid_blkaddr of __write_node_page+0x702/0x1520 fs/f2fs/node.c:1734 F2FS-fs (loop0): inject inconsistent footer in sanity_check_node_footer of prepare_write_begin fs/f2fs/data.c:3380 [inline] F2FS-fs (loop0): inject inconsistent footer in sanity_check_node_footer of f2fs_write_begin+0x95b/0x25b0 fs/f2fs/data.c:3608 F2FS-fs (loop0): inconsistent node block, node_type:1, nid:10, node_footer[nid:10,ino:10,ofs:0,cpver:10241045589465957861,blkaddr:4615] ------------[ cut here ]------------ kernel BUG at fs/f2fs/f2fs.h:2521! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:dec_valid_block_count+0x3c5/0x3d0 fs/f2fs/f2fs.h:2521 Code: fe e9 3a fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 64 fd ff ff 4c 89 f7 e8 06 92 2d fe e9 57 fd ff ff e8 dc 96 cb fd 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d43f478 EFLAGS: 00010283 RAX: ffffffff83f45af4 RBX: 0000000000000221 RCX: 0000000000100000 RDX: ffffc9000eb13000 RSI: 00000000000b3172 RDI: 00000000000b3173 RBP: 00000000ffffff6e R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52001a87e80 R12: ffff888043edcfa4 R13: dffffc0000000000 R14: 1ffff110087db9f4 R15: ffff888043edc000 FS: 00007f72ed5a76c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f72ed585fc8 CR3: 000000003438c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: f2fs_truncate_data_blocks_range+0xcda/0x11c0 fs/f2fs/file.c:695 f2fs_do_truncate_blocks+0xba8/0x11a0 fs/f2fs/file.c:804 f2fs_truncate_blocks+0x10a/0x300 fs/f2fs/file.c:838 f2fs_write_failed+0x124/0x190 fs/f2fs/data.c:3341 f2fs_write_begin+0x206b/0x25b0 fs/f2fs/data.c:3669 generic_perform_write+0x2c7/0x910 mm/filemap.c:4103 f2fs_buffered_write_iter fs/f2fs/file.c:4936 [inline] f2fs_file_write_iter+0x1df6/0x2340 fs/f2fs/file.c:5164 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x548/0xa90 fs/read_write.c:684 ksys_write+0x145/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f72ec78e969 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:00007f72ed5a7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f72ec9b6080 RCX: 00007f72ec78e969 RDX: 00000000fffffec6 RSI: 0000200000000180 RDI: 000000000000000d RBP: 00007f72ec810ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f72ec9b6080 R15: 00007ffc44e4a458 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dec_valid_block_count+0x3c5/0x3d0 fs/f2fs/f2fs.h:2521 Code: fe e9 3a fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 64 fd ff ff 4c 89 f7 e8 06 92 2d fe e9 57 fd ff ff e8 dc 96 cb fd 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d43f478 EFLAGS: 00010283 RAX: ffffffff83f45af4 RBX: 0000000000000221 RCX: 0000000000100000 RDX: ffffc9000eb13000 RSI: 00000000000b3172 RDI: 00000000000b3173 RBP: 00000000ffffff6e R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52001a87e80 R12: ffff888043edcfa4 R13: dffffc0000000000 R14: 1ffff110087db9f4 R15: ffff888043edc000 FS: 00007f72ed5a76c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f72ed585fc8 CR3: 000000003438c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400