INFO: task syz-executor.3:13830 can't die for more than 143 seconds. task:syz-executor.3 state:R running task stack:23768 pid:13830 ppid: 12504 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4984 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6265 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6431 __cond_resched+0x13/0x20 kernel/sched/core.c:8144 _cond_resched include/linux/sched.h:2025 [inline] shrink_lruvec+0x1078/0x2660 mm/vmscan.c:2945 shrink_node_memcgs mm/vmscan.c:3129 [inline] shrink_node+0x858/0x1eb0 mm/vmscan.c:3252 shrink_zones mm/vmscan.c:3485 [inline] do_try_to_free_pages+0x4e2/0x1640 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 folio_alloc+0x1c/0x70 mm/mempolicy.c:2283 filemap_alloc_folio+0x8e/0xb0 mm/filemap.c:1036 __page_cache_alloc include/linux/pagemap.h:325 [inline] page_cache_ra_unbounded+0x36a/0x940 mm/readahead.c:215 do_page_cache_ra+0xf9/0x140 mm/readahead.c:268 do_sync_mmap_readahead mm/filemap.c:2996 [inline] filemap_fault+0x1562/0x26d0 mm/filemap.c:3089 __do_fault+0x10d/0x4d0 mm/memory.c:3853 do_read_fault mm/memory.c:4168 [inline] do_fault mm/memory.c:4297 [inline] handle_pte_fault mm/memory.c:4555 [inline] __handle_mm_fault+0x28e8/0x5120 mm/memory.c:4690 handle_mm_fault+0x1c8/0x790 mm/memory.c:4788 faultin_page mm/gup.c:939 [inline] __get_user_pages+0x522/0xfb0 mm/gup.c:1160 populate_vma_page_range+0x24d/0x330 mm/gup.c:1492 __mm_populate+0x1ea/0x3e0 mm/gup.c:1601 mm_populate include/linux/mm.h:2734 [inline] vm_mmap_pgoff+0x20e/0x290 mm/util.c:524 ksys_mmap_pgoff+0x49f/0x620 mm/mmap.c:1624 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f87afb9aae9 RSP: 002b:00007f87ad110188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f87afcadf60 RCX: 00007f87afb9aae9 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f87afbf4f25 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4858d97f R14: 00007f87ad110300 R15: 0000000000022000 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: 1 lock held by kswapd0/98: 1 lock held by kswapd1/99: 3 locks held by kworker/1:3/2933: 1 lock held by systemd-journal/2962: 1 lock held by in:imklog/6220: 2 locks held by agetty/6232: #0: ffff88802290c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252 #1: ffffc9000202c2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113 1 lock held by syz-fuzzer/6512: 1 lock held by syz-fuzzer/6513: 1 lock held by syz-fuzzer/13853: #0: ffff88806ee28f88 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff88806ee28f88 (mapping.invalidate_lock){++++}-{3:3}, at: page_cache_ra_unbounded+0x1b3/0x940 mm/readahead.c:194 3 locks held by kworker/0:8/8582: 1 lock held by syz-executor.3/13830: =============================================