Warning: Permanently added '10.128.1.163' (ED25519) to the list of known hosts. 2023/12/16 07:41:08 ignoring optional flag "sandboxArg"="0" 2023/12/16 07:41:08 parsed 1 programs 2023/12/16 07:41:08 executed programs: 0 [ 45.381773][ T1856] loop0: detected capacity change from 0 to 1024 [ 45.389460][ T1856] ======================================================= [ 45.389460][ T1856] WARNING: The mand mount option has been deprecated and [ 45.389460][ T1856] and is ignored by this kernel. Remove the mand [ 45.389460][ T1856] option from the mount to silence this warning. [ 45.389460][ T1856] ======================================================= [ 45.434408][ T60] [ 45.436738][ T60] ============================================ [ 45.442850][ T60] WARNING: possible recursive locking detected [ 45.450467][ T60] 5.15.143-syzkaller #0 Not tainted [ 45.455641][ T60] -------------------------------------------- [ 45.461870][ T60] kworker/u4:1/60 is trying to acquire lock: [ 45.468237][ T60] ffff88817c6ed0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x6c/0x90 [ 45.477775][ T60] [ 45.477775][ T60] but task is already holding lock: [ 45.485214][ T60] ffff88817c6ed0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x6c/0x90 [ 45.494764][ T60] [ 45.494764][ T60] other info that might help us debug this: [ 45.503134][ T60] Possible unsafe locking scenario: [ 45.503134][ T60] [ 45.510547][ T60] CPU0 [ 45.513797][ T60] ---- [ 45.517132][ T60] lock(&tree->tree_lock/1); [ 45.522152][ T60] lock(&tree->tree_lock/1); [ 45.526894][ T60] [ 45.526894][ T60] *** DEADLOCK *** [ 45.526894][ T60] [ 45.535451][ T60] May be due to missing lock nesting notation [ 45.535451][ T60] [ 45.544288][ T60] 5 locks held by kworker/u4:1/60: [ 45.549447][ T60] #0: ffff8881085bf138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x1c1/0x460 [ 45.560001][ T60] #1: ffffc9000037be70 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x1c1/0x460 [ 45.571848][ T60] #2: ffff88817d382688 (&hip->extents_lock){+.+.}-{3:3}, at: hfsplus_ext_write_extent+0x30/0xa0 [ 45.582392][ T60] #3: ffff88817c6ed0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x6c/0x90 [ 45.592241][ T60] #4: ffff88817d380108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x65/0x360 [ 45.603483][ T60] [ 45.603483][ T60] stack backtrace: [ 45.610291][ T60] CPU: 1 PID: 60 Comm: kworker/u4:1 Not tainted 5.15.143-syzkaller #0 [ 45.618492][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.629244][ T60] Workqueue: writeback wb_workfn (flush-7:0) [ 45.635199][ T60] Call Trace: [ 45.638450][ T60] [ 45.641364][ T60] dump_stack_lvl+0x57/0x7d [ 45.646005][ T60] __lock_acquire.cold+0x130/0x2c5 [ 45.651435][ T60] ? __lock_acquire+0xe65/0x1a40 [ 45.656520][ T60] lock_acquire+0xbb/0x290 [ 45.660900][ T60] ? hfsplus_find_init+0x6c/0x90 [ 45.665812][ T60] ? lock_acquire+0xbb/0x290 [ 45.670365][ T60] __mutex_lock+0x60/0x660 [ 45.674747][ T60] ? hfsplus_find_init+0x6c/0x90 [ 45.679647][ T60] ? hfsplus_find_init+0x6c/0x90 [ 45.684543][ T60] ? __kmalloc+0x263/0x2f0 [ 45.688918][ T60] hfsplus_find_init+0x6c/0x90 [ 45.693643][ T60] hfsplus_ext_read_extent+0x4b/0x1b0 [ 45.698986][ T60] hfsplus_file_extend+0x16c/0x360 [ 45.704078][ T60] ? hfsplus_find_init+0x6c/0x90 [ 45.709007][ T60] hfsplus_bmap_reserve+0x89/0xa0 [ 45.713998][ T60] __hfsplus_ext_write_extent+0x9e/0xc0 [ 45.719511][ T60] hfsplus_ext_write_extent+0x87/0xa0 [ 45.725148][ T60] ? __writeback_single_inode+0xd2/0x350 [ 45.730798][ T60] hfsplus_write_inode+0xf/0x110 [ 45.736068][ T60] __writeback_single_inode+0x295/0x350 [ 45.741851][ T60] writeback_sb_inodes+0x210/0x540 [ 45.747205][ T60] wb_writeback+0xc0/0x300 [ 45.752213][ T60] wb_workfn+0xe7/0x510 [ 45.756521][ T60] ? lock_acquire+0xeb/0x290 [ 45.761083][ T60] ? process_one_work+0x1ea/0x460 [ 45.766166][ T60] process_one_work+0x252/0x460 [ 45.770976][ T60] worker_thread+0x4d/0x330 [ 45.775437][ T60] ? process_one_work+0x460/0x460 [ 45.780511][ T60] kthread+0x119/0x130 [ 45.784724][ T60] ? set_kthread_struct+0x40/0x40 [ 45.789801][ T60] ret_from_fork+0x1f/0x30 [ 45.794252][ T60]