INFO: task syz-executor.2:23692 can't die for more than 143 seconds. task:syz-executor.2 state:R running task stack:22144 pid:23692 ppid: 12760 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4269 [inline] __schedule+0x890/0x2030 kernel/sched/core.c:5019 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:5179 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:40 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] _raw_spin_unlock_irq+0x3c/0x40 kernel/locking/spinlock.c:199 spin_unlock_irq include/linux/spinlock.h:404 [inline] shrink_inactive_list+0x2ba/0xce0 mm/vmscan.c:1955 shrink_list mm/vmscan.c:2167 [inline] shrink_lruvec+0x61b/0x11b0 mm/vmscan.c:2462 shrink_node_memcgs mm/vmscan.c:2650 [inline] shrink_node+0x839/0x1d60 mm/vmscan.c:2767 shrink_zones mm/vmscan.c:2970 [inline] do_try_to_free_pages+0x38b/0x1440 mm/vmscan.c:3025 try_to_free_pages+0x29f/0x720 mm/vmscan.c:3264 __perform_reclaim mm/page_alloc.c:4360 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:4381 [inline] __alloc_pages_slowpath.constprop.0+0x917/0x2510 mm/page_alloc.c:4785 __alloc_pages_nodemask+0x5f0/0x730 mm/page_alloc.c:4995 alloc_pages_current+0x191/0x2a0 mm/mempolicy.c:2271 alloc_pages include/linux/gfp.h:547 [inline] alloc_slab_page mm/slub.c:1624 [inline] allocate_slab+0x2e4/0x4b0 mm/slub.c:1772 new_slab mm/slub.c:1827 [inline] new_slab_objects mm/slub.c:2584 [inline] ___slab_alloc+0x476/0x790 mm/slub.c:2747 __slab_alloc.constprop.0+0x95/0xe0 mm/slub.c:2787 slab_alloc_node mm/slub.c:2867 [inline] slab_alloc mm/slub.c:2911 [inline] kmem_cache_alloc+0x39d/0x470 mm/slub.c:2916 mempool_alloc+0x146/0x350 mm/mempool.c:391 bio_alloc_bioset+0x37b/0x5d0 block/bio.c:486 bio_clone_fast+0x21/0x1c0 block/bio.c:710 bio_split+0xc7/0x2b0 block/bio.c:1480 blk_bio_segment_split block/blk-merge.c:282 [inline] __blk_queue_split+0x10d2/0x1630 block/blk-merge.c:332 blk_mq_submit_bio+0x1a8/0x1770 block/blk-mq.c:2162 __submit_bio_noacct_mq block/blk-core.c:1026 [inline] submit_bio_noacct+0xa27/0xe30 block/blk-core.c:1059 submit_bio+0x263/0x5b0 block/blk-core.c:1129 mpage_bio_submit fs/mpage.c:66 [inline] do_mpage_readpage+0x1072/0x1f70 fs/mpage.c:316 mpage_readahead+0x3a3/0x880 fs/mpage.c:391 read_pages+0x1df/0x8d0 mm/readahead.c:130 page_cache_ra_unbounded+0x5fe/0x920 mm/readahead.c:238 do_page_cache_ra+0xf9/0x140 mm/readahead.c:267 do_sync_mmap_readahead mm/filemap.c:2721 [inline] filemap_fault+0x19d0/0x2940 mm/filemap.c:2809 __do_fault+0x10d/0x4d0 mm/memory.c:3623 do_shared_fault mm/memory.c:4071 [inline] do_fault mm/memory.c:4149 [inline] handle_pte_fault mm/memory.c:4385 [inline] __handle_mm_fault mm/memory.c:4520 [inline] handle_mm_fault+0x3033/0x55d0 mm/memory.c:4618 do_user_addr_fault+0x55b/0xba0 arch/x86/mm/fault.c:1377 handle_page_fault arch/x86/mm/fault.c:1434 [inline] exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1490 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:580 RIP: 0033:0x445127 Code: Unable to access opcode bytes at RIP 0x4450fd. RSP: 002b:00007ffee21ae088 EFLAGS: 00010202 RAX: 0000000020000380 RBX: 0000000001190168 RCX: 000000007665642f RDX: 000000000000000c RSI: 0000000001190188 RDI: 0000000020000380 RBP: 0000000001190170 R08: 00000000c777f5ae R09: 00000000c777f5b2 R10: 00007ffee21ae160 R11: 0000000000000246 R12: fffffffffffffffe R13: 000000000008592f R14: 00000000000003e8 R15: 000000000118bf2c Showing all locks held in the system: 2 locks held by kworker/u4:2/86: 1 lock held by khungtaskd/1655: #0: ffffffff8b339ce0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6252 1 lock held by kswapd0/2195: 1 lock held by kswapd1/2196: 1 lock held by systemd-journal/4883: 1 lock held by systemd-udevd/4901: 2 locks held by cron/8166: 1 lock held by in:imklog/8179: #0: ffff88801407a870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:932 4 locks held by rs:main Q:Reg/8180: 2 locks held by syz-fuzzer/8482: 2 locks held by syz-fuzzer/8491: =============================================