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🐞 Open [1033] ≡ Subsystems 🐞 Fixed [5263] 🐞 Invalid [12581] ⬇ Missing Backports [85] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 262
Parent subsystem(s): kernel (71)
Child subsystems: damon (0)
open (50):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in __vma_reservation_common mm 3 1d03h 6h38m
general protection fault in __pte_offset_map_lock mm C 11 16h23m 21h18m
WARNING in hpage_collapse_scan_pmd (2) mm io-uring syz 2 7d00h 3d02h 💬 1 [6h51m]
KMSAN: uninit-value in zswap_rb_insert mm 1 10d 6d09h 💬 1 [6d07h]
possible deadlock in __mmap_lock_do_trace_start_locking mm 1 14d 10d
possible deadlock in gup_fast_fallback mm 3 19d 15d
KASAN: slab-use-after-free Read in hugetlb_fault mm C done 5 8d05h 18d 💬 2 [17d]
INFO: rcu detected stall in __run_timer_base kasan mm C done 1 26d 22d PATCH [2d18h]
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 10d 23d 💬 6 [18d]
general protection fault in hpage_collapse_scan_file mm C 22 27d 27d 💬 4 [18d]
BUG: bad usercopy in do_handle_open hardening mm C 446 32d 30d 💬 2 [30d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C 458 7h41m 32d 💬 2 [7d03h]
WARNING: bad unlock balance in madvise_cold_or_pageout_pte_range mm C 8 31d 33d 💬 4 [31d]
WARNING in __mod_memcg_lruvec_state mm cgroups C 193 19m 34d 💬 6 [1h44m]
general protection fault in shmem_get_next_id mm C error 19 26d 34d 💬 5 [23d]
INFO: rcu detected stall in sys_clone (8) mm C 20 1d21h 38d
WARNING in validate_chain mm C error 19 10d 39d
kernel BUG in const_folio_flags mm 4 26d 46d 💬 4 [45d]
INFO: rcu detected stall in asm_exc_page_fault mm input usb syz 1 62d 58d 💬 3 [56d]
WARNING in try_to_migrate_one (2) mm C 5 11d 58d 💬 2 [21d]
WARNING in try_to_unmap_one mm 2 25d 62d
WARNING in kunmap_local_indexed mm C 160 8m 70d
possible deadlock in lock_vma mm C done 18 82d 80d
WARNING in move_pages mm C done 8 82d 80d
BUG: unable to handle kernel paging request in bpf_probe_read_kernel_str mm C done 4 72d 89d
kernel BUG in validate_mm (3) mm C error 3 98d 98d 💬 2 [97d]
BUG: unable to handle kernel paging request in bpf_probe_read_compat_str mm C done 4 75d 100d 💬 1 [93d]
INFO: rcu detected stall in dput (8) mm C done 18 2h25m 126d
kernel BUG in add_to_swap mm 6 78d 139d 💬 1 [138d]
INFO: rcu detected stall in sys_recvmmsg (3) kasan mm batman 33 1d00h 139d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C 3 44d 143d
BUG: spinlock recursion in try_to_wake_up mm C 2 23d 174d
WARNING in __gup_longterm_locked (2) mm 15 8d19h 187d
WARNING in __kfence_free (3) kasan mm syz 92 44d 201d 💬 1 [47d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 67 1d22h 214d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10220 19h27m 225d PATCH [223d]
kernel BUG in filemap_unaccount_folio mm C done 31 4d03h 242d 💬 3 [47d]
BUG: unable to handle kernel paging request in list_lru_add mm syz 48 45d 244d
INFO: rcu detected stall in sys_openat (3) mm kernfs ext4 C error 39 2d16h 246d
kernel BUG in do_page_mkwrite mm C done 16 3d02h 263d
KCSAN: data-race in generic_fillattr / shmem_unlink (3) mm 653 13d 378d 💬 1 [7d03h]
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 719 14d 378d 💬 5 [7d03h]
INFO: task hung in __unmap_and_move (4) mm C error 4 61d 494d 💬 3 [173d]
possible deadlock in filemap_fault mm ntfs3 C done 910 9h23m 549d 💬 3 [7d03h]
memory leak in xas_create mm C 15 137d 667d 💬 9 [173d]
WARNING in ext4_dirty_folio mm C inconclusive done 25789 4d14h 772d 💬 1 [7d03h]
INFO: task hung in do_read_cache_folio block kasan mm C error error 179 317d 819d 💬 3 [305d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1266d 1262d 💬 10 [1185d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 994d 1346d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 663d 1561d 💬 2 [1455d]
moderation (46):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (3) mm 1 3d19h 3d19h
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 1 7d05h 7d05h
KCSAN: data-race in ondemand_readahead / read_pages (3) fs mm 2 1d08h 8d01h
KCSAN: data-race in munlock_folio / need_mlock_drain (4) mm 1 10d 10d
KCSAN: data-race in __lru_add_drain_all / folio_activate (5) mm 1 11d 11d
KCSAN: data-race in mlock_folio / need_mlock_drain (4) mm 1 13d 13d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch mm 1 15d 15d
KCSAN: data-race in bprm_execve / copy_fs (2) fs mm 1 19d 19d
KCSAN: data-race in ondemand_readahead / ondemand_readahead (11) fs mm 24 20h23m 20d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (4) mm 3 14d 23d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 4 8d03h 25d
KCSAN: data-race in getrusage / unmap_region mm 7 5d05h 27d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 11 17h28m 28d
WARNING: refcount bug in __set_page_owner mm 2 26d 29d
KCSAN: data-race in getrusage / try_to_unmap_one mm 1 32d 32d
KCSAN: data-race in list_lru_add / list_lru_count_node (10) mm 2 30d 35d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (5) mm 7 2d02h 75d
KCSAN: data-race in __mod_memcg_state / mem_cgroup_css_rstat_flush cgroups mm 269 5h36m 85d
KCSAN: data-race in __count_memcg_events / mem_cgroup_css_rstat_flush cgroups mm 226 6h12m 85d
KCSAN: data-race in __mod_memcg_lruvec_state / mem_cgroup_css_rstat_flush cgroups mm 252 5h56m 85d
general protection fault in khugepaged (3) mm 2 15d 89d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 133 57m 97d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 68 3d19h 115d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 178 3h14m 117d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 179 1d08h 117d
KCSAN: data-race in call_rcu / mtree_range_walk mm 267 3h23m 117d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 220 10h04m 117d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (6) fs mm 5 33d 127d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (10) fs mm 30 12d 148d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (3) mm 69 4d23h 149d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 185 12h06m 149d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (2) mm 123 9d16h 149d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (4) mm fs 128 7d04h 150d
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 143 5d03h 150d
KCSAN: data-race in drain_all_stock / try_charge_memcg (2) mm cgroups 188 13d 150d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 266 2d13h 150d
KCSAN: data-race in generic_fillattr / shmem_symlink (2) mm 247 11d 151d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 282 13h18m 151d
KCSAN: data-race in __anon_vma_prepare / lock_vma_under_rcu mm 58 4d17h 362d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 662 2d00h 727d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 711 3d15h 850d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 786 6d21h 873d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 3586 5h57m 1044d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 1335 8h32m 1319d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3516 4h48m 1608d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1295 2d01h 1614d