INFO: task syz-executor.0:7512 can't die for more than 143 seconds. task:syz-executor.0 state:D stack:22888 pid: 7512 ppid: 12213 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4984 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6265 schedule+0xd2/0x260 kernel/sched/core.c:6338 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 reclaim_throttle+0x1ce/0x5e0 mm/vmscan.c:1072 consider_reclaim_throttle mm/vmscan.c:3399 [inline] shrink_zones mm/vmscan.c:3486 [inline] do_try_to_free_pages+0x878/0x1640 mm/vmscan.c:3541 try_to_free_pages+0x29f/0x750 mm/vmscan.c:3776 __perform_reclaim mm/page_alloc.c:4588 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] __alloc_pages_slowpath.constprop.0+0xac7/0x20d0 mm/page_alloc.c:5007 __alloc_pages+0x412/0x500 mm/page_alloc.c:5382 alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191 alloc_slab_page mm/slub.c:1793 [inline] allocate_slab mm/slub.c:1938 [inline] new_slab+0x349/0x4a0 mm/slub.c:1993 ___slab_alloc+0x918/0xfe0 mm/slub.c:3022 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3109 slab_alloc_node mm/slub.c:3200 [inline] slab_alloc mm/slub.c:3242 [inline] kmem_cache_alloc+0x35c/0x3a0 mm/slub.c:3247 mempool_alloc+0x146/0x350 mm/mempool.c:392 bio_alloc_bioset+0x2ff/0x4a0 block/bio.c:468 bio_clone_fast+0x21/0x160 block/bio.c:750 bio_split+0xc9/0x320 block/bio.c:1519 blk_bio_segment_split block/blk-merge.c:322 [inline] __blk_queue_split+0x835/0x1340 block/blk-merge.c:357 blk_mq_submit_bio+0x18a/0x1b40 block/blk-mq.c:2500 __submit_bio+0x794/0x8e0 block/blk-core.c:873 __submit_bio_noacct_mq block/blk-core.c:951 [inline] submit_bio_noacct block/blk-core.c:977 [inline] submit_bio_noacct+0x6c9/0x8a0 block/blk-core.c:966 submit_bio block/blk-core.c:1038 [inline] submit_bio+0x1ea/0x430 block/blk-core.c:996 mpage_bio_submit fs/mpage.c:66 [inline] do_mpage_readpage+0xfee/0x1f80 fs/mpage.c:314 mpage_readahead+0x304/0x750 fs/mpage.c:389 read_pages+0x1e4/0xfa0 mm/readahead.c:129 page_cache_ra_unbounded+0x64b/0x940 mm/readahead.c:238 do_page_cache_ra mm/readahead.c:268 [inline] ondemand_readahead+0x594/0x1090 mm/readahead.c:551 page_cache_async_ra mm/readahead.c:608 [inline] page_cache_async_ra+0x2e1/0x3f0 mm/readahead.c:583 page_cache_async_readahead include/linux/pagemap.h:1003 [inline] do_async_mmap_readahead mm/filemap.c:3023 [inline] filemap_fault+0xbc9/0x26d0 mm/filemap.c:3079 __do_fault+0x10d/0x4d0 mm/memory.c:3853 do_shared_fault mm/memory.c:4223 [inline] do_fault mm/memory.c:4301 [inline] handle_pte_fault mm/memory.c:4555 [inline] __handle_mm_fault+0x25ad/0x5120 mm/memory.c:4690 handle_mm_fault+0x1c8/0x790 mm/memory.c:4788 do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1485 [inline] exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1541 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7f88c2ba7ef6 RSP: 002b:00007fffc9df3508 EFLAGS: 00010202 RAX: 0000000020001000 RBX: 0000000000000000 RCX: 0030626c6c756e2f RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000000020001000 RBP: 00007fffc9df35c8 R08: 00007f88c30c4000 R09: 0000001b2f0330bc R10: 00000000000009a9 R11: 0000000000000000 R12: 0000000000000000 R13: 00007f88c2cc0b60 R14: 00007f88c2cbff60 R15: 0000000000122eaf Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8bb83a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458 1 lock held by khugepaged/33: #0: ffffffff8bc68888 (lock#5){+.+.}-{3:3}, at: __lru_add_drain_all+0x65/0x760 mm/swap.c:797 3 locks held by kswapd0/97: 2 locks held by kswapd1/99: 1 lock held by systemd-journal/2970: #0: ffff888078ac03f0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:793 [inline] #0: ffff888078ac03f0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: lookup_slow fs/namei.c:1673 [inline] #0: ffff888078ac03f0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: walk_component+0x400/0x6a0 fs/namei.c:1970 1 lock held by in:imklog/6223: 4 locks held by rs:main Q:Reg/6224: 2 locks held by syz-fuzzer/6515: #0: ffff88806ec22d70 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff88806ec22d70 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x15ad/0x26d0 mm/filemap.c:3096 #1: ffffffff8bca8b48 (pcpu_drain_mutex){+.+.}-{3:3}, at: __drain_all_pages+0x4f/0x6c0 mm/page_alloc.c:3181 2 locks held by syz-fuzzer/6698: #0: ffff88806ec22d70 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff88806ec22d70 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x15ad/0x26d0 mm/filemap.c:3096 #1: ffffffff8bca7f40 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca7f40 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca7f40 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0xa1e/0x20d0 mm/page_alloc.c:5007 2 locks held by agetty/22062: #0: ffff88801b989098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252 #1: ffffc9000af0e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113 3 locks held by kworker/0:9/29009: 3 locks held by kworker/1:8/1073: 1 lock held by syz-executor.0/7512: #0: ffff888140894448 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff888140894448 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x1b3/0x940 mm/readahead.c:194 =============================================