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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 291
Parent subsystem(s): kernel (73)
Child subsystems: damon (0)
open (85):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 2 11d 7d08h 💬 1 [6d12h]
WARNING: ODEBUG bug in __folio_put (2) mm syz 4 2d09h 8d09h
INFO: rcu detected stall in vma_link_file input usb mm syz 1 13d 9d09h 💬 6 [7d16h]
WARNING in folio_walk_start mm 1 10d 9d09h PATCH [7d01h]
KCSAN: data-race in xas_create / xas_find (8) fs mm 2 7d13h 9d18h 💬 2 [9d07h]
possible deadlock in vma_prepare mm 1 14d 10d 💬 1 [9d22h]
stack segment fault in folio_wait_writeback fs mm syz 4 9d09h 10d 💬 2 [8d09h]
INFO: rcu detected stall in sys_mprotect (8) mm 36 17h38m 12d
INFO: task hung in exit_mmap mm 229 14h49m 13d 💬 4 [9d15h]
KMSAN: uninit-value in swap_writepage mm 1 17d 13d 💬 2 [12d]
WARNING in vms_complete_munmap_vmas mm C 67 3h10m 15d 💬 1 [12d]
INFO: rcu detected stall in kswapd (3) mm usb C 2 6d17h 17d
WARNING in page_counter_cancel (5) mm C 5 2d20h 19d 💬 1 [18d]
INFO: rcu detected stall in kjournald2 (2) mm C error 16 3d15h 20d
KCSAN: data-race in exec_mmap / vms_clear_ptes mm 2 24d 23d 💬 2 [12d]
INFO: rcu detected stall in vhci_release mm bluetooth syz done 5 9d22h 25d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 26d 26d
kernel BUG in page_table_check_clear (2) mm C 13 7h49m 27d 💬 1 [27d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 21 7h52m 30d 💬 4 [30d]
INFO: rcu detected stall in shmem_fault (6) mm 42 1d01h 34d PATCH [16d]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 13d 35d 💬 2 [35d]
BUG: corrupted list in do_compact_page mm syz 15 3d02h 35d 💬 1 [20d]
INFO: rcu detected stall in sys_execve (6) mm syz done 14 7d18h 36d
possible deadlock in refill_stock cgroups mm 1 43d 39d
INFO: rcu detected stall in x64_sys_call mm syz 101 14h01m 44d
BUG: corrupted list in add_to_unbuddied mm syz 26 6d23h 45d 💬 4 [5d16h]
possible deadlock in obj_cgroup_charge mm cgroups 4 40d 46d
INFO: task hung in hugetlb_fault mm C done 65 9d13h 46d 💬 2 [11d]
kernel BUG in z3fold_page_migrate mm syz 114 15h07m 50d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3558 21m 52d
KMSAN: uninit-value in zswap_store (2) mm 1 57d 53d 💬 1 [50d]
possible deadlock in lock_mm_and_find_vma (2) mm C 5354 now 53d 💬 1 [20d]
BUG: unable to handle kernel paging request in mmap_region mm 381 56d 57d 💬 1 [57d]
general protection fault in ksm_do_scan mm 9 9d12h 57d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 9 9d16h 61d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 78d 61d
INFO: task hung in hugetlb_wp mm C done 94 6d20h 68d
INFO: rcu detected stall in kcov_close mm bpf 56 5d09h 72d
kernel panic: System is deadlocked on memory (2) mm 16 7d02h 72d
INFO: rcu detected stall in vm_mmap_pgoff mm 52 4d12h 73d PATCH [16d]
INFO: rcu detected stall in kcov_ioctl (2) mm 62 7d12h 86d 💬 2 [85d]
possible deadlock in try_charge_memcg cgroups mm 1 98d 94d
BUG: Bad page map (8) mm C done 7 6d18h 97d 💬 10 [23d]
general protection fault in khugepaged (3) mm 12 2d02h 102d
WARNING in __page_table_check_ptes_set (2) mm C done 109 10d 133d 💬 4 [23d]
WARNING: locking bug in __schedule mm 541 4h22m 137d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 62d 144d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 5 20h33m 144d 💬 2 [144d]
INFO: rcu detected stall in ext4_release_file (2) mm ext4 C error done 3 53d 146d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 86d 149d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 116 2d00h 150d
WARNING in shmem_evict_inode (3) mm 20 14d 152d
INFO: task hung in __lru_add_drain_all (2) mm 264 14d 159d
INFO: rcu detected stall in validate_mm (3) mm C error 29 14d 164d 💬 5 [106d]
general protection fault in __pte_offset_map_lock mm C done 68 15d 171d
possible deadlock in gup_fast_fallback mm C done 821 10h39m 185d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 180d 193d 💬 6 [188d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 96d 203d 💬 2 [82d]
INFO: rcu detected stall in sys_clone (8) mm C error 96 15h16m 209d 💬 10 [39d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 6d01h 228d 💬 3 [82d]
WARNING in kunmap_local_indexed mm C 1380 93d 240d
INFO: rcu detected stall in sys_syslog (2) mm bpf syz error 21 23h25m 246d
BUG: soft lockup in pipe_read fs mm syz 4 132d 272d
INFO: task hung in _vm_unmap_aliases (3) mm C 479 3d13h 288d
INFO: rcu detected stall in dput (8) mm C done 176 1d22h 297d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 4 5d16h 314d
INFO: rcu detected stall in sys_socket (10) mm C done 48 13h13m 328d 💬 6 [323d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 62d 345d
INFO: rcu detected stall in worker_thread (9) mm C done 2416 46m 382d PATCH [375d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 104d 385d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10313 7h06m 395d PATCH [111d]
kernel BUG in filemap_unaccount_folio mm C done done 39 102d 413d 💬 3 [71d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 173 9h36m 416d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 84 2d09h 437d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 755 4d20h 548d 💬 20 [33d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 295 1d15h 548d 💬 6 [20d]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 68 5d21h 672d
possible deadlock in filemap_fault mm C done 1728 4h26m 720d 💬 3 [20d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 117 5h43m 730d 💬 1 [71d]
memory leak in xas_create mm C 15 308d 837d 💬 9 [343d]
WARNING in ext4_dirty_folio mm C inconclusive done 25799 13d 942d 💬 1 [20d]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 488d 989d 💬 3 [475d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 590 2d09h 1510d 💬 7 [20d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1164d 1517d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 834d 1731d 💬 2 [1625d]
moderation (38):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (2) mm 1 1d20h 1d20h
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 1 6d20h 6d20h
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 2 22h30m 10d
KCSAN: data-race in __wb_writeout_add / writeout_period (5) fs mm 1 19d 19d
INFO: task hung in bchfs_fallocate fs mm 91 25d 23d
BUG: stack guard page was hit in compat_sys_sendfile mm 1 25d 23d
INFO: task hung in writeback_iter fs mm 122 9h39m 23d
general protection fault in validate_mm mm 1 29d 25d
KCSAN: data-race in __xa_set_mark / filemap_fdatawrite_wbc fs mm 1 27d 27d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (6) fs mm 1 29d 29d
KCSAN: data-race in getrusage / vms_clear_ptes mm 5 9d10h 30d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch (3) mm 1 32d 32d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) mm fs 2 5d05h 36d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 4 10d 55d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 4 1d17h 56d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 9 16h10m 100d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 18 12d 110d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 21 2d01h 111d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 20 19h04m 112d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 16 11d 118d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 15 2d01h 122d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 15 2d19h 143d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 94 3h50m 169d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 38 4d15h 195d
KCSAN: data-race in getrusage / unmap_region mm 45 33d 197d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 63 1d11h 199d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 162 4d09h 285d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 376 2d06h 287d
KCSAN: data-race in call_rcu / mtree_range_walk mm 584 20h44m 287d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 430 11h26m 287d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 574 1d00h 320d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 854 23h53m 898d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 802 3d04h 1021d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 982 20h57m 1044d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4244 1d00h 1215d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1447 7d04h 1489d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3956 1d00h 1779d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 1492 14h49m 1784d