Hello, syzbot found the following issue on:
HEAD commit: 90d970cade8e Merge tag 'ata-ata-6.17-rc2' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=118fb3a2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3f81850843b877ed dashboard link: https://syzkaller.appspot.com/bug?extid=b9c7ffd609c3f09416ab compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-90d970ca.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/746014c1cf11/vmlinux-90d970ca.xz kernel image: https://storage.googleapis.com/syzbot-assets/4f69411b895d/bzImage-90d970ca.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b9c7ffd609c3f0941...@syzkaller.appspotmail.com </TASK> F2FS-fs (loop0): access invalid blkaddr:1818846767 CPU: 0 UID: 0 PID: 5354 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00211-g90d970cade8e #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 Call Trace: <TASK> dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 __f2fs_is_valid_blkaddr+0xe52/0x14f0 fs/f2fs/checkpoint.c:213 f2fs_truncate_data_blocks_range+0x790/0x1390 fs/f2fs/file.c:674 f2fs_truncate_hole+0x3f2/0x6c0 fs/f2fs/file.c:1245 f2fs_punch_hole+0x2db/0x330 fs/f2fs/file.c:1306 f2fs_fallocate+0x546/0x990 fs/f2fs/file.c:2018 vfs_fallocate+0x666/0x7e0 fs/open.c:342 ksys_fallocate fs/open.c:366 [inline] __do_sys_fallocate fs/open.c:371 [inline] __se_sys_fallocate fs/open.c:369 [inline] __x64_sys_fallocate+0xc0/0x110 fs/open.c:369 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1e65f8ebe9 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:00007f1e66dd1038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f1e661b6090 RCX: 00007f1e65f8ebe9 RDX: 0000000000000003 RSI: 0000000000000003 RDI: 000000000000000a RBP: 00007f1e66011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000404042bbe R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1e661b6128 R14: 00007f1e661b6090 R15: 00007ffe98c9dc98 </TASK> F2FS-fs (loop0): Inconsistent error blkaddr:12389, sit bitmap:0 CPU: 0 UID: 0 PID: 5354 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00211-g90d970cade8e #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 Call Trace: <TASK> dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 __is_bitmap_valid fs/f2fs/checkpoint.c:168 [inline] __f2fs_is_valid_blkaddr+0xd84/0x14f0 fs/f2fs/checkpoint.c:216 f2fs_truncate_data_blocks_range+0x790/0x1390 fs/f2fs/file.c:674 f2fs_truncate_hole+0x3f2/0x6c0 fs/f2fs/file.c:1245 f2fs_punch_hole+0x2db/0x330 fs/f2fs/file.c:1306 f2fs_fallocate+0x546/0x990 fs/f2fs/file.c:2018 vfs_fallocate+0x666/0x7e0 fs/open.c:342 ksys_fallocate fs/open.c:366 [inline] __do_sys_fallocate fs/open.c:371 [inline] __se_sys_fallocate fs/open.c:369 [inline] __x64_sys_fallocate+0xc0/0x110 fs/open.c:369 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1e65f8ebe9 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:00007f1e66dd1038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f1e661b6090 RCX: 00007f1e65f8ebe9 RDX: 0000000000000003 RSI: 0000000000000003 RDI: 000000000000000a RBP: 00007f1e66011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000404042bbe R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1e661b6128 R14: 00007f1e661b6090 R15: 00007ffe98c9dc98 </TASK> ------------[ cut here ]------------ kernel BUG at fs/f2fs/file.c:1243! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5354 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00211-g90d970cade8e #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:f2fs_truncate_hole+0x69e/0x6c0 fs/f2fs/file.c:1243 Code: 75 1d 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 55 7b 7d 07 cc e8 af fa be fd eb a4 e8 58 96 7a 07 e8 a3 fa be fd 90 <0f> 0b e8 9b fa be fd 4c 89 ef 48 c7 c6 20 8c d1 8b e8 cc 3b 27 fd RSP: 0018:ffffc9000eddfbe0 EFLAGS: 00010287 RAX: ffffffff8400c09d RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e523000 RSI: 0000000000072bb6 RDI: 0000000000072bb7 RBP: ffffc9000eddfd18 R08: ffff8880433a2887 R09: 1ffff11008674510 R10: dffffc0000000000 R11: ffffed1008674511 R12: 0000000000000360 R13: ffffffffffffffff R14: 0000000000404042 R15: 00000000000006c0 FS: 00007f1e66dd16c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1e65fec470 CR3: 000000003f147000 CR4: 0000000000352ef0 Call Trace: <TASK> f2fs_punch_hole+0x2db/0x330 fs/f2fs/file.c:1306 f2fs_fallocate+0x546/0x990 fs/f2fs/file.c:2018 vfs_fallocate+0x666/0x7e0 fs/open.c:342 ksys_fallocate fs/open.c:366 [inline] __do_sys_fallocate fs/open.c:371 [inline] __se_sys_fallocate fs/open.c:369 [inline] __x64_sys_fallocate+0xc0/0x110 fs/open.c:369 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1e65f8ebe9 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:00007f1e66dd1038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f1e661b6090 RCX: 00007f1e65f8ebe9 RDX: 0000000000000003 RSI: 0000000000000003 RDI: 000000000000000a RBP: 00007f1e66011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000404042bbe R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1e661b6128 R14: 00007f1e661b6090 R15: 00007ffe98c9dc98 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_truncate_hole+0x69e/0x6c0 fs/f2fs/file.c:1243 Code: 75 1d 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 55 7b 7d 07 cc e8 af fa be fd eb a4 e8 58 96 7a 07 e8 a3 fa be fd 90 <0f> 0b e8 9b fa be fd 4c 89 ef 48 c7 c6 20 8c d1 8b e8 cc 3b 27 fd RSP: 0018:ffffc9000eddfbe0 EFLAGS: 00010287 RAX: ffffffff8400c09d RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e523000 RSI: 0000000000072bb6 RDI: 0000000000072bb7 RBP: ffffc9000eddfd18 R08: ffff8880433a2887 R09: 1ffff11008674510 R10: dffffc0000000000 R11: ffffed1008674511 R12: 0000000000000360 R13: ffffffffffffffff R14: 0000000000404042 R15: 00000000000006c0 FS: 00007f1e66dd16c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1e65fec470 CR3: 000000003f147000 CR4: 0000000000352ef0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkal...@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
