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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: e3a854b577cb Merge tag 'clk-fixes-for-linus' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=111b1fa8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=eb44f62cb82f8a0a dashboard link: https://syzkaller.appspot.com/bug?extid=4f9c823a6f63d87491ba compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1484dc78580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=151b1fa8580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-e3a854b5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/80a4e52e75a6/vmlinux-e3a854b5.xz kernel image: https://storage.googleapis.com/syzbot-assets/e261756ed740/bzImage-e3a854b5.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/7fd9c181a987/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=135a419b980000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4f9c823a6f63d87491ba@syzkaller.appspotmail.com loop0: detected capacity change from 0 to 32768 ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:2132:32 index 240 is out of range for type 'struct dtslot[128]' CPU: 0 UID: 0 PID: 5303 Comm: syz-executor483 Not tainted 6.14.0-rc6-syzkaller-00115-ge3a854b577cb #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 dtDelete+0x2d67/0x2db0 fs/jfs/jfs_dtree.c:2132 jfs_rename+0xf91/0x1bf0 fs/jfs/namei.c:1239 vfs_rename+0xbdb/0xf00 fs/namei.c:5069 do_renameat2+0xd94/0x13f0 fs/namei.c:5226 __do_sys_rename fs/namei.c:5273 [inline] __se_sys_rename fs/namei.c:5271 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5271 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: 0033:0x7fc873bc9bb9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff24dc46e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 0000400000000e00 RCX: 00007fc873bc9bb9 RDX: 00007fc873bc9bb9 RSI: 0000400000000f40 RDI: 0000400000000300 RBP: 00007fc873c42610 R08: 00007fff24dc48b8 R09: 00007fff24dc48b8 R10: 00007fff24dc48b8 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff24dc48a8 R14: 0000000000000001 R15: 0000000000000001 ---[ end trace ]--- --- 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 syzkaller@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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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