INFO: task syz-executor.2:5242 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29400 pid:5242 ppid:27975 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x8f3/0xd90 kernel/sched/core.c:6490 schedule+0xcb/0x190 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0xfdc/0x14a0 kernel/locking/rwsem.c:1190 __down_write_common kernel/locking/rwsem.c:1305 [inline] __down_write kernel/locking/rwsem.c:1314 [inline] down_write+0x231/0x270 kernel/locking/rwsem.c:1563 filemap_invalidate_lock include/linux/fs.h:801 [inline] blkdev_fallocate+0x21f/0x390 block/fops.c:641 vfs_fallocate+0x515/0x670 fs/open.c:323 madvise_remove+0x221/0x290 mm/madvise.c:979 madvise_vma_behavior mm/madvise.c:1003 [inline] madvise_walk_vmas mm/madvise.c:1235 [inline] do_madvise+0x7b7/0x1f30 mm/madvise.c:1413 __do_sys_madvise mm/madvise.c:1426 [inline] __se_sys_madvise mm/madvise.c:1424 [inline] __x64_sys_madvise+0xa2/0xb0 mm/madvise.c:1424 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f666808b5a9 RSP: 002b:00007f666916f168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f66681ac050 RCX: 00007f666808b5a9 RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000 RBP: 00007f66680e6580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdfb36a2ef R14: 00007f666916f300 R15: 0000000000022000 INFO: task syz-executor.3:5249 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:28056 pid:5249 ppid:3747 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x8f3/0xd90 kernel/sched/core.c:6490 schedule+0xcb/0x190 kernel/sched/core.c:6566 rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095 __down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260 filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] filemap_fault+0x2c4/0xf60 mm/filemap.c:3119 __do_fault+0x139/0x4f0 mm/memory.c:4173 do_shared_fault mm/memory.c:4579 [inline] do_fault mm/memory.c:4657 [inline] handle_pte_fault mm/memory.c:4917 [inline] __handle_mm_fault mm/memory.c:5059 [inline] handle_mm_fault+0x1be1/0x35c0 mm/memory.c:5157 do_user_addr_fault+0x69b/0xcb0 arch/x86/mm/fault.c:1407 handle_page_fault arch/x86/mm/fault.c:1498 [inline] exc_page_fault+0x7a/0x120 arch/x86/mm/fault.c:1554 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f76778860d5 RSP: 002b:00007ffddb84da78 EFLAGS: 00010202 RAX: 0000000020000040 RBX: 0000000000000000 RCX: 0000000000737562 RDX: 0000000000000006 RSI: 0000000075622f2e RDI: 0000000020000040 RBP: 00007ffddb84db38 R08: 00007f7677db0000 R09: 00007f76779b0920 R10: 00007ffddb87e0b8 R11: 000000000005e4cc R12: 00000000001e110f R13: 00007ffddb84db60 R14: 00007ffddb84db80 R15: 0000000000000032 INFO: task syz-executor.3:5256 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:25432 pid:5256 ppid:3747 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x8f3/0xd90 kernel/sched/core.c:6490 schedule+0xcb/0x190 kernel/sched/core.c:6566 rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095 __down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260 filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] filemap_fault+0x2c4/0xf60 mm/filemap.c:3119 __do_fault+0x139/0x4f0 mm/memory.c:4173 do_read_fault mm/memory.c:4524 [inline] do_fault mm/memory.c:4653 [inline] handle_pte_fault mm/memory.c:4917 [inline] __handle_mm_fault mm/memory.c:5059 [inline] handle_mm_fault+0x2835/0x35c0 mm/memory.c:5157 faultin_page mm/gup.c:990 [inline] __get_user_pages+0x4eb/0x11b0 mm/gup.c:1219 populate_vma_page_range+0x216/0x2b0 mm/gup.c:1576 __mm_populate+0x2ea/0x4d0 mm/gup.c:1689 mm_populate include/linux/mm.h:2663 [inline] vm_mmap_pgoff+0x241/0x2f0 mm/util.c:557 ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1586 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f767788b5a9 RSP: 002b:00007f7678a72168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f76779ac050 RCX: 00007f767788b5a9 RDX: 0000000001000006 RSI: 0000000000b34900 RDI: 0000000020000000 RBP: 00007f76778e6580 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffddb84d9ff R14: 00007f7678a72300 R15: 0000000000022000 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x47c/0x4b0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x169/0x280 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xcd5/0xd20 kernel/hung_task.c:377 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5300 Comm: syz-executor.2 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:list_add include/linux/list.h:88 [inline] RIP: 0010:lruvec_add_folio include/linux/mm_inline.h:105 [inline] RIP: 0010:move_pages_to_lru+0x7fd/0x2260 mm/vmscan.c:2372 Code: d9 17 ca ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 74 24 10 4c 8b 6c 24 18 e9 04 01 00 00 44 89 eb 48 c1 e3 04 4c 01 fb 49 89 dc <49> c1 ec 03 48 b8 00 00 00 00 00 fc ff df 41 80 3c 04 00 74 08 48 RSP: 0018:ffffc900128f71e0 EFLAGS: 00000082 RAX: 1ffff1101071d275 RBX: ffff8880838e9020 RCX: 0000000000000000 RDX: ffff88801c91d880 RSI: 0000000000000002 RDI: 0000000000000004 RBP: ffffc900128f7310 R08: ffffffff81be546c R09: fffff94000166689 R10: fffff94000166689 R11: 1ffffd4000166688 R12: ffff8880838e9020 R13: 0000000000000002 R14: 0000000000000001 R15: ffff8880838e9000 FS: 0000555555a1e400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1117782058 CR3: 000000001d45f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: shrink_inactive_list+0x5e6/0xc10 mm/vmscan.c:2450 shrink_list mm/vmscan.c:2674 [inline] shrink_lruvec+0x489/0xc80 mm/vmscan.c:2991 shrink_node_memcgs+0x360/0x770 mm/vmscan.c:3180 shrink_node+0xe9f/0x2040 mm/vmscan.c:3304 shrink_zones+0x4fb/0xc40 mm/vmscan.c:3542 do_try_to_free_pages+0x215/0xcd0 mm/vmscan.c:3601 try_to_free_mem_cgroup_pages+0x3cb/0x6d0 mm/vmscan.c:3916 reclaim_high+0x1f4/0x280 mm/memcontrol.c:2329 mem_cgroup_handle_over_high+0x145/0x2b0 mm/memcontrol.c:2514 resume_user_mode_work include/linux/resume_user_mode.h:58 [inline] exit_to_user_mode_loop+0xa9/0x160 kernel/entry/common.c:169 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:307 exc_page_fault+0xa2/0x120 arch/x86/mm/fault.c:1557 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7fadb9a5aa3a Code: 44 89 c8 87 07 83 f8 01 7e d5 45 31 d2 ba 01 00 00 00 be 81 00 00 00 89 d8 0f 05 eb c2 0f 1f 00 c3 0f 1f 80 00 00 00 00 31 c0 <87> 05 38 01 09 01 83 f8 01 7e c9 45 31 d2 ba 01 00 00 00 be 81 00 RSP: 002b:00007ffc2d718630 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000000000ca RCX: 00007fadb9a892ab RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fadb9b855e0 RBP: 0000000000000001 R08: 00007fadb9b855e0 R09: 0000000000000000 R10: 0000555555a1e6d0 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000005b R14: 0000000000000001 R15: 00007ffc2d718720