Hello, syzbot found the following issue on:
HEAD commit: d4906ae14a5f Add linux-next specific files for 20260220 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=13f24006580000 kernel config: https://syzkaller.appspot.com/x/.config?x=cdf9388b212a2b28 dashboard link: https://syzkaller.appspot.com/bug?extid=73d18077a2323a1fdb5e compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1312395a580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13a4855a580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/1537e9684d19/disk-d4906ae1.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/dd6c9977a9cf/vmlinux-d4906ae1.xz kernel image: https://storage.googleapis.com/syzbot-assets/f1d85a2d6c78/bzImage-d4906ae1.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/2471b6f6a299/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=149a0202580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: [email protected] INFO: task syz.1.18:6046 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.18 state:D stack:28832 pid:6046 tgid:6042 ppid:6019 task_flags:0x400040 flags:0x00080002 Call Trace: <TASK> context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0x164/0x360 kernel/sched/core.c:7004 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061 rwsem_down_write_slowpath+0x899/0x1040 kernel/locking/rwsem.c:1185 __down_write_common kernel/locking/rwsem.c:1317 [inline] __down_write kernel/locking/rwsem.c:1326 [inline] down_write+0x1bc/0x200 kernel/locking/rwsem.c:1591 inode_lock include/linux/fs.h:1028 [inline] f2fs_fallocate+0x24e/0x9b0 fs/f2fs/file.c:2013 vfs_fallocate+0x669/0x7e0 fs/open.c:340 ksys_fallocate fs/open.c:364 [inline] __do_sys_fallocate fs/open.c:369 [inline] __se_sys_fallocate fs/open.c:367 [inline] __x64_sys_fallocate+0xc0/0x110 fs/open.c:367 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa61c59c629 RSP: 002b:00007fa61d448028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fa61c816090 RCX: 00007fa61c59c629 RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000004 RBP: 00007fa61c632b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa61c816128 R14: 00007fa61c816090 R15: 00007ffcfdb9b178 </TASK> Showing all locks held in the system: --- 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 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 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
