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🐞 Open [955] ≡ Subsystems 🐞 Fixed [4882] 🐞 Invalid [11680] ⬇ Missing Backports [75] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 240
Parent subsystem(s): kernel (45)
Child subsystems: damon (0)
open (31):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel paging request in copy_from_kernel_nofault mm C done 4 9d22h 20d 💬 3 [22h25m]
BUG: spinlock recursion in try_to_wake_up mm C 1 29d 25d 💬 0 [25d]
general protection fault in hugetlb_vma_lock_read mm 16 4d00h 37d 💬 2 [23d]
WARNING in __gup_longterm_locked (2) mm 3 2d23h 38d 💬 0 [38d]
general protection fault in __hugetlb_zap_begin mm C done 21 6d01h 41d PATCH [36d]
WARNING in mem_cgroup_migrate (2) cgroups mm 1 55d 51d 💬 0 [51d]
WARNING in __kfence_free (3) kasan mm syz 31 5h10m 52d 💬 1 [23d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 14 27d 66d 💬 0 [66d]
WARNING in shmem_evict_inode (2) mm 3 10d 66d 💬 0 [66d]
KASAN: slab-out-of-bounds Read in generic_perform_write mm C inconclusive 10187 2d16h 76d PATCH [74d]
kernel BUG in filemap_unaccount_folio mm C done 7 6d19h 94d 💬 3 [85d]
BUG: unable to handle kernel paging request in list_lru_add mm 14 2d19h 96d 💬 0 [89d]
INFO: rcu detected stall in sys_openat (3) mm usb C error 26 15d 97d 💬 0 [97d]
upstream boot error: KASAN: slab-out-of-bounds Read in deactivate_slab mm 4 81d 112d 💬 0 [89d]
kernel BUG in do_page_mkwrite mm C done 10 2d17h 115d 💬 0 [24d]
upstream boot error: KASAN: slab-out-of-bounds Read in bootstrap mm 47 61d 117d 💬 1 [89d]
stack segment fault in __stack_depot_save mm net C inconclusive 3 6d21h 138d 💬 0 [138d]
general protection fault in unlink_file_vma (2) reiserfs mm C inconclusive 1 3d08h 166d 💬 0 [120d]
BUG: bad usercopy in fpa_set mm hardening C 348 5h58m 218d 💬 0 [24d]
KCSAN: data-race in generic_fillattr / shmem_unlink (3) mm 589 4d21h 229d 💬 1 [24d]
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm 634 1d05h 229d 💬 5 [24d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 155 2h25m 229d 💬 5 [24d]
INFO: task hung in __unmap_and_move (4) mm C error 4 28d 345d 💬 3 [24d]
possible deadlock in filemap_fault mm ntfs3 C 554 5d05h 400d 💬 3 [7d04h]
memory leak in xas_create mm C 15 3d05h 518d 💬 9 [24d]
WARNING in ext4_dirty_folio mm C inconclusive done 25768 1d17h 623d 💬 1 [24d]
INFO: task hung in do_read_cache_folio block kasan mm C error error 179 169d 670d 💬 3 [156d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1117d 1113d 💬 10 [1037d]
WARNING in pin_user_pages_locked mm C done 48 1157d 1158d 💬 0 [1158d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 845d 1197d 💬 0 [1197d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 514d 1412d 💬 2 [1306d]
moderation (39):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (3) mm 17 2d02h 19h17m 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_activate (4) mm 21 1d02h 19h18m 💬 0 [never]
KCSAN: data-race in __percpu_counter_compare / percpu_counter_add_batch (5) mm 30 36d 19h20m 💬 0 [never]
KCSAN: data-race in ondemand_readahead / read_pages fs mm 41 11d 19h22m 💬 0 [never]
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (3) mm 53 6d18h 19h24m 💬 0 [never]
KCSAN: data-race in next_uptodate_folio / shmem_write_end mm 68 1d05h 19h24m 💬 0 [never]
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 76 1d06h 19h25m 💬 0 [never]
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (2) mm 82 4d22h 19h26m 💬 0 [never]
KCSAN: data-race in __refill_stock / drain_all_stock (2) cgroups mm 85 1d14h 19h26m 💬 0 [never]
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (4) fs mm 91 3d01h 1d19h 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_batch_move_lru mm 94 15h05m 1d19h 💬 0 [never]
KCSAN: data-race in ondemand_readahead / ondemand_readahead (10) fs mm 104 2d07h 1d19h 💬 0 [never]
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 106 3d06h 1d19h 💬 0 [never]
KCSAN: data-race in read_pages / read_pages (2) fs mm 119 4d17h 1d19h 💬 0 [never]
KCSAN: data-race in mas_replace_node / mas_state_walk mm 123 15h44m 1d19h 💬 0 [never]
KCSAN: data-race in drain_all_stock / try_charge_memcg (2) cgroups mm 143 11h15m 1d19h 💬 0 [never]
KCSAN: data-race in shmem_file_splice_read / shmem_write_end mm 147 17h10m 1d19h 💬 0 [never]
KCSAN: data-race in mas_state_walk / mas_wmb_replace (2) mm 159 15h13m 1d19h 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 179 2d05h 1d19h 💬 0 [never]
KCSAN: data-race in mas_state_walk / mas_wr_modify mm 318 1d14h 1d19h 💬 0 [never]
KCSAN: data-race in generic_fillattr / shmem_symlink (2) mm 217 16h51m 2d09h 💬 0 [never]
KCSAN: data-race in shmem_get_folio_gfp / shmem_write_end mm 372 17h04m 2d09h 💬 0 [never]
KCSAN: data-race in compact_zone / compact_zone (6) mm 1 10d 2d09h 💬 0 [never]
KCSAN: data-race in write_cache_pages / write_cache_pages (11) mm fs 19 1d01h 2d09h 💬 0 [never]
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 218 1d09h 2d09h 💬 0 [never]
KCSAN: data-race in scan_swap_map_slots / scan_swap_map_slots mm 1 6d05h 2d09h 💬 0 [never]
general protection fault in khugepaged (2) mm 1 11d 7d14h 💬 0 [never]
general protection fault in hugetlb_follow_page_mask mm 3 16d 38d 💬 0 [never]
BUG: unable to handle kernel paging request in clear_page_erms (5) mm 2 34d 46d 💬 0 [never]
KCSAN: data-race in __anon_vma_prepare / lock_vma_under_rcu mm 29 1d00h 213d 💬 0 [never]
KCSAN: data-race in call_rcu / mas_state_walk mm 242 15h54m 222d 💬 0 [never]
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 591 11h40m 578d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range fs mm 619 1d20h 701d 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 710 1d20h 725d 💬 0 [never]
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 2946 17h10m 896d 💬 0 [never]
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1144 1d06h 1170d 💬 0 [never]
KCSAN: data-race in shmem_file_read_iter / shmem_write_end mm 1463 1d01h 1435d 💬 0 [never]
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3137 17h06m 1459d 💬 0 [never]
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1241 1d05h 1465d 💬 0 [never]