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🐞 Open [1018] ≡ Subsystems 🐞 Fixed [5251] 🐞 Invalid [12565] ⬇ Missing Backports [85] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (49):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in hpage_collapse_scan_pmd (2) mm io-uring syz 2 4d08h 9h56m
KMSAN: uninit-value in zswap_rb_insert mm 1 7d17h 3d17h 💬 1 [3d15h]
possible deadlock in __mmap_lock_do_trace_start_locking mm 1 11d 7d21h
possible deadlock in gup_fast_fallback mm 3 16d 12d
KASAN: slab-use-after-free Read in hugetlb_fault mm C done 5 5d13h 16d 💬 2 [15d]
INFO: rcu detected stall in __run_timer_base kasan mm C done 1 23d 19d PATCH [2h03m]
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 7d09h 20d 💬 6 [15d]
general protection fault in hpage_collapse_scan_file mm C 22 25d 24d 💬 4 [16d]
BUG: bad usercopy in do_handle_open hardening mm C 446 29d 28d 💬 2 [28d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C 455 1d02h 29d 💬 2 [4d11h]
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (3) mm 1 32d 31d 💬 2 [30d]
WARNING: bad unlock balance in madvise_cold_or_pageout_pte_range mm C 8 29d 31d 💬 4 [29d]
WARNING in __mod_memcg_lruvec_state cgroups mm 1 35d 31d 💬 5 [19d]
general protection fault in shmem_get_next_id mm C error 19 23d 31d 💬 5 [21d]
INFO: rcu detected stall in sys_clone (8) mm C 18 1d02h 35d
WARNING in validate_chain mm C error 19 7d20h 36d
kernel BUG in const_folio_flags mm 4 23d 43d 💬 4 [42d]
INFO: rcu detected stall in asm_exc_page_fault mm input usb syz 1 59d 55d 💬 3 [53d]
WARNING in try_to_migrate_one (2) mm C 5 8d15h 55d 💬 2 [18d]
WARNING in try_to_unmap_one mm 2 22d 59d
WARNING in kunmap_local_indexed mm C 142 8h13m 67d
possible deadlock in lock_vma mm C done 18 79d 77d
WARNING in move_pages mm C done 8 79d 77d
BUG: unable to handle kernel paging request in bpf_probe_read_kernel_str mm C done 4 70d 86d
kernel BUG in validate_mm (3) mm C error 3 95d 95d 💬 2 [94d]
BUG: unable to handle kernel paging request in bpf_probe_read_compat_str mm C done 4 73d 97d 💬 1 [91d]
INFO: rcu detected stall in dput (8) mm C done 17 4h28m 124d
kernel BUG in add_to_swap mm 6 75d 136d 💬 1 [135d]
INFO: rcu detected stall in sys_recvmmsg (3) kasan mm batman 32 95d 136d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C 3 42d 141d
BUG: spinlock recursion in try_to_wake_up mm C 2 20d 172d
WARNING in __gup_longterm_locked (2) mm 15 6d03h 185d
WARNING in __kfence_free (3) kasan mm syz 92 41d 198d 💬 1 [45d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 65 1d22h 212d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10218 2h12m 222d PATCH [220d]
kernel BUG in filemap_unaccount_folio mm C done 31 1d11h 240d 💬 3 [45d]
BUG: unable to handle kernel paging request in list_lru_add mm syz 48 42d 242d
INFO: rcu detected stall in sys_openat (3) mm kernfs ext4 C error 39 14m 243d
kernel BUG in do_page_mkwrite mm C done 16 10h00m 261d
KCSAN: data-race in generic_fillattr / shmem_unlink (3) mm 653 10d 375d 💬 1 [4d11h]
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 719 11d 375d 💬 5 [4d11h]
INFO: task hung in __unmap_and_move (4) mm C error 4 58d 491d 💬 3 [170d]
possible deadlock in filemap_fault mm ntfs3 C done 897 39m 547d 💬 3 [4d11h]
memory leak in xas_create mm C 15 135d 664d 💬 9 [170d]
WARNING in ext4_dirty_folio mm C inconclusive done 25789 1d22h 769d 💬 1 [4d11h]
INFO: task hung in do_read_cache_folio block kasan mm C error error 179 315d 816d 💬 3 [302d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1263d 1259d 💬 10 [1183d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 991d 1344d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 661d 1558d 💬 2 [1452d]
moderation (47):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (3) mm 1 1d02h 1d02h
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 1 4d13h 4d13h
KCSAN: data-race in ondemand_readahead / read_pages (3) fs mm 1 5d09h 5d09h
KCSAN: data-race in munlock_folio / need_mlock_drain (4) mm 1 7d12h 7d12h
KCSAN: data-race in __lru_add_drain_all / folio_activate (5) mm 1 9d01h 9d01h
KCSAN: data-race in mlock_folio / need_mlock_drain (4) mm 1 10d 10d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch mm 1 12d 12d
KCSAN: data-race in bprm_execve / copy_fs (2) fs mm 1 17d 17d
KCSAN: data-race in ondemand_readahead / ondemand_readahead (11) fs mm 22 now 17d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (4) mm 3 11d 21d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 4 5d11h 22d
KCSAN: data-race in getrusage / unmap_region mm 7 2d13h 24d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 9 1d16h 26d
WARNING: refcount bug in __set_page_owner mm 2 23d 26d
KCSAN: data-race in getrusage / try_to_unmap_one mm 1 29d 29d
KCSAN: data-race in list_lru_add / list_lru_count_node (10) mm 2 27d 32d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (5) mm 6 14d 72d
KCSAN: data-race in __mod_memcg_state / mem_cgroup_css_rstat_flush cgroups mm 262 1h12m 82d
KCSAN: data-race in __count_memcg_events / mem_cgroup_css_rstat_flush cgroups mm 221 56m 82d
KCSAN: data-race in __mod_memcg_lruvec_state / mem_cgroup_css_rstat_flush cgroups mm 246 1h10m 82d
general protection fault in khugepaged (3) mm 2 12d 86d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 110 22h47m 95d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 68 1d03h 112d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 174 11h26m 114d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 177 7h35m 114d
KCSAN: data-race in call_rcu / mtree_range_walk mm 262 11h23m 114d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 217 9h50m 114d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (6) fs mm 5 30d 124d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (10) fs mm 30 10d 145d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (3) mm 69 2d07h 146d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 182 15h36m 146d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (2) mm 123 7d00h 146d
KCSAN: data-race in __refill_stock / drain_all_stock (2) cgroups mm 119 33d 146d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (4) mm fs 128 4d12h 147d
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 143 2d11h 147d
KCSAN: data-race in drain_all_stock / try_charge_memcg (2) mm cgroups 188 10d 147d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 265 3h55m 147d
KCSAN: data-race in generic_fillattr / shmem_symlink (2) mm 247 8d20h 148d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 281 2d10h 148d
KCSAN: data-race in __anon_vma_prepare / lock_vma_under_rcu mm 58 2d01h 360d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 661 1d16h 724d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 711 23h32m 848d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 786 4d05h 871d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 3573 1h15m 1042d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 1333 2d20h 1316d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3511 44m 1606d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1294 10m 1611d