syzbot has found a reproducer for the following issue on: HEAD commit: bc3372351d0c Merge tag 'for-6.15-rc3-tag' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=138cdccc580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3bbffc3b5b4301e1 dashboard link: https://syzkaller.appspot.com/bug?extid=effe7da6578cd423f98f compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17c8ac70580000
Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/6c893a6bd7cc/disk-bc337235.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/6c31d81cbcae/vmlinux-bc337235.xz kernel image: https://storage.googleapis.com/syzbot-assets/acf5d144656b/bzImage-bc337235.xz mounted in repro #1: https://storage.googleapis.com/syzbot-assets/53b1b110f131/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=16d4f204580000) mounted in repro #2: https://storage.googleapis.com/syzbot-assets/3185ba5a394f/mount_4.gz fsck result: OK (log: https://syzkaller.appspot.com/x/fsck.log?x=14ebe7ac580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+effe7da6578cd423f...@syzkaller.appspotmail.com INFO: task syz.9.68:6713 blocked for more than 143 seconds. Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.9.68 state:D stack:27592 pid:6713 tgid:6701 ppid:6519 task_flags:0x400140 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1b33/0x51f0 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0x163/0x360 kernel/sched/core.c:6860 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917 rwsem_down_write_slowpath+0xedd/0x1420 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0x1da/0x220 kernel/locking/rwsem.c:1578 inode_lock include/linux/fs.h:867 [inline] do_truncate+0x20e/0x310 fs/open.c:63 vfs_truncate+0x4a6/0x540 fs/open.c:115 do_sys_truncate+0xd8/0x190 fs/open.c:138 __do_sys_truncate fs/open.c:150 [inline] __se_sys_truncate fs/open.c:148 [inline] __x64_sys_truncate+0x5b/0x70 fs/open.c:148 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c9918e169 RSP: 002b:00007f6c983dd038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f6c993b6080 RCX: 00007f6c9918e169 RDX: 0000000000000000 RSI: 0000000000008001 RDI: 00002000000000c0 RBP: 00007f6c99210a68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f6c993b6080 R15: 00007ffc2675ba78 --- 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. _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
