Hello, syzbot found the following issue on:
HEAD commit: cea2a26553ac mailmap: Add my outdated addresses to the map.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=137e8e9c980000 kernel config: https://syzkaller.appspot.com/x/.config?x=c79815c08cc14227 dashboard link: https://syzkaller.appspot.com/bug?extid=c6773f706de1990de039 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0dd89d349f79/disk-cea2a265.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/155ef1ec00f0/vmlinux-cea2a265.xz kernel image: https://storage.googleapis.com/syzbot-assets/0caa129cf368/bzImage-cea2a265.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: [email protected] INFO: task syz-executor.1:10394 blocked for more than 143 seconds. Not tainted 6.10.0-rc3-syzkaller-00022-gcea2a26553ac #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:16192 pid:10394 tgid:10393 ppid:9778 flags:0x00000006 Call Trace: <TASK> context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 io_schedule+0x8d/0x110 kernel/sched/core.c:9043 folio_wait_bit_common+0x882/0x12b0 mm/filemap.c:1307 truncate_inode_pages_range+0xaaf/0xfc0 mm/truncate.c:412 truncate_inode_pages mm/truncate.c:439 [inline] truncate_pagecache mm/truncate.c:732 [inline] truncate_setsize+0xcf/0xf0 mm/truncate.c:757 bchfs_truncate+0x683/0xc80 fs/bcachefs/fs-io.c:453 notify_change+0xb9d/0xe70 fs/attr.c:497 do_truncate+0x220/0x310 fs/open.c:65 handle_truncate fs/namei.c:3308 [inline] do_open fs/namei.c:3654 [inline] path_openat+0x2a3d/0x3280 fs/namei.c:3807 do_filp_open+0x235/0x490 fs/namei.c:3834 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405 do_sys_open fs/open.c:1420 [inline] __do_sys_creat fs/open.c:1496 [inline] __se_sys_creat fs/open.c:1490 [inline] __x64_sys_creat+0x123/0x170 fs/open.c:1490 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: 0033:0x7ff79e87cea9 RSP: 002b:00007ff79f6840c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007ff79e9b3f80 RCX: 00007ff79e87cea9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 --- 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 [email protected]. 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
