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mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 324
Parent subsystem(s): kernel (80)
Child subsystems: damon (0)
open (126):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in upgrade_mmap_lock_carefully (2) mm ntfs3 C error 5 9d01h 5d20h 💬 1 [4d17h]
INFO: rcu detected stall in sys_unlinkat (3) mm 30 11d 7d21h
kernel BUG in try_to_unmap_one (2) mm C 7 12d 9d06h PATCH [2d21h]
BUG: soft lockup in sys_sendmsg (2) scsi mm block 6 9d05h 9d10h
kernel BUG in sanity_check_pinned_pages mm 1 11d 10d 💬 4 [10d]
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 1 17d 11d
possible deadlock in __vma_start_write mm 1 19d 15d 💬 10 [9d01h]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 15 8d19h 20d 💬 1 [20d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 33 5d04h 30d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 6d23h 33d
KCSAN: data-race in copy_fs / free_bprm mm fs 1 38d 37d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended ext4 mm 2 35d 39d 💬 4 [31d]
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm syz error 5 26d 40d
INFO: rcu detected stall in nsim_fib_event_work mm C error 3 20d 43d
BUG: Bad page state in page_cache_ra_order mm C 7 19h46m 43d
INFO: task hung in exit_mmap (2) mm C done error 6 30d 50d
kernel BUG in __filemap_add_folio mm fs C done 14 13d 50d
BUG: soft lockup in sys_bpf mm 13 2d03h 52d
INFO: task hung in page_cache_ra_order fs mm C done 24 3d14h 52d 💬 1 [52d]
INFO: rcu detected stall in rtnl_newlink (5) mm batman syz error 98 4d17h 61d
BUG: sleeping function called from invalid context in emon mm 1 69d 65d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 71d 67d
BUG: soft lockup in cfg80211_wext_siwfreq kasan mm 2 17d 68d
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 42d 72d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm fs 4 13h21m 74d
INFO: rcu detected stall in clone (7) mm 43 36d 79d
KASAN: slab-use-after-free Read in __mm_populate mm 1 89d 85d
UBSAN: shift-out-of-bounds in shmem_undo_range mm bcachefs syz 1 93d 89d
general protection fault in xas_create mm bcachefs syz 2 40d 89d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 99d 94d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 88d 103d 💬 12 [90d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm C 2 40d 104d
WARNING in get_dump_page ext4 mm C done error 5 94d 108d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 79d 116d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 99d 119d 💬 2 [119d]
INFO: task hung in rmap_walk_file mm C error 19 28d 127d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 113d 127d 💬 2 [119d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 13 14d 127d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 95d 129d 💬 2 [119d]
INFO: rcu detected stall in sys_mkdir (9) mm ext4 syz done 2 2d09h 140d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 95 3d10h 160d PATCH [24d]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 17 13d 161d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 8 16d 164d 💬 1 [164d]
possible deadlock in move_pages (2) mm C done 508 151d 174d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 24d 174d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 39d 179d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 32d 183d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 12 23d 185d 💬 26 [19d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 6 72d 187d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 23d 187d 💬 6 [96d]
INFO: rcu detected stall in sys_umount (3) mm syz done 37 7d09h 188d
possible deadlock in balance_pgdat (2) scsi mm C 4 157d 191d 💬 1 [148d]
INFO: rcu detected stall in sys_symlinkat (5) mm tomoyo syz error 58 4d08h 192d
INFO: rcu detected stall in sys_sendmmsg (7) tipc mm 74 4d18h 195d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 35 8d12h 200d 💬 7 [130d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 23d 200d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 26 18d 201d
BUG: corrupted list in list_lru_add mm syz 9 4h23m 203d
INFO: rcu detected stall in security_file_ioctl (9) mm 71 8d20h 204d
BUG: Bad page state in iomap_write_begin xfs mm C 237 2d12h 206d 💬 4 [82d]
kernel BUG in resv_map_release (3) mm C 11 2d00h 214d 💬 1 [213d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 94 1d20h 215d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 19 6d16h 222d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 131d 222d 💬 2 [128d]
INFO: rcu detected stall in brk (2) mm syz 2 163d 225d 💬 8 [225d]
INFO: rcu detected stall in kthreadd (2) mm C unreliable 73 7d14h 227d
WARNING in get_taint (2) mm C 363 200d 231d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 30 22d 239d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 111d 240d 💬 1 [240d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 61d 241d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 246d 242d 💬 6 [241d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 72 22h29m 246d
KMSAN: uninit-value in swap_writepage mm syz 25 85d 247d 💬 2 [124d]
WARNING in vms_complete_munmap_vmas mm C 2396 3d03h 248d 💬 1 [23h57m]
WARNING in page_counter_cancel (5) mm C 15 29d 252d 💬 1 [251d]
INFO: rcu detected stall in kjournald2 (2) mm C error error 71 1d14h 254d
INFO: rcu detected stall in vhci_release mm syz done done 12 41d 259d
INFO: rcu detected stall in shmem_fault (6) mm C 114 3d09h 267d PATCH [250d]
BUG: corrupted list in do_compact_page mm syz 46 79d 269d 💬 1 [254d]
INFO: rcu detected stall in sys_execve (6) mm syz done 50 9d07h 270d
INFO: rcu detected stall in x64_sys_call mm syz error 297 13h52m 277d
BUG: corrupted list in add_to_unbuddied mm syz 43 84d 278d 💬 4 [239d]
KMSAN: uninit-value in sw842_compress mm C 65 52d 279d 💬 3 [212d]
INFO: task hung in hugetlb_fault mm C done 65 27d 280d 💬 2 [245d]
kernel BUG in z3fold_page_migrate mm syz 354 77d 283d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3640 15d 285d 💬 1 [23h57m]
INFO: task hung in hugetlb_wp mm C done inconclusive 94 110d 302d
INFO: rcu detected stall in kcov_close mm 114 12d 305d
kernel panic: System is deadlocked on memory (2) mm 39 3d10h 306d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 39d 307d PATCH [250d]
INFO: task hung in filemap_fault (6) mm 192 50d 339d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 155d 378d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 320d 383d
WARNING in shmem_evict_inode (3) mm 40 1d11h 385d
INFO: rcu detected stall in sys_sendto (7) mm C error 269 4d12h 388d
INFO: task hung in __lru_add_drain_all (2) mm syz error 272 54d 392d
BUG: Bad rss-counter state (5) bcachefs mm C done 2362 4d05h 397d 💬 3 [23h57m]
INFO: rcu detected stall in validate_mm (3) mm C error 35 9d12h 398d 💬 5 [340d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2286 5h11m 419d 💬 1 [23h57m]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 329d 436d 💬 2 [315d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 263 2d17h 442d 💬 10 [51d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 72d 461d 💬 3 [316d]
WARNING in kunmap_local_indexed mm C 1797 1h31m 473d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 29d 479d
BUG: soft lockup in pipe_read fs mm syz 5 129d 506d
INFO: task hung in _vm_unmap_aliases (3) mm C 560 11h52m 521d
INFO: rcu detected stall in dput (8) mm C done 375 22h08m 530d
INFO: rcu detected stall in sys_socket (10) mm C done 122 1d08h 561d 💬 6 [557d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 296d 578d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 43 2d06h 581d 💬 1 [94d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3682 1d05h 615d PATCH [609d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 338d 618d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 72d 629d PATCH [344d]
kernel BUG in filemap_unaccount_folio mm C done error 381 3d04h 646d 💬 4 [191d]
INFO: rcu detected stall in sys_openat (3) mm C error 410 5d20h 650d
INFO: rcu detected stall in sys_unlink (3) mm C error 184 18d 670d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 207d 782d 💬 21 [221d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 567 10h48m 782d 💬 6 [23h57m]
possible deadlock in filemap_fault mm C done 2823 2d09h 953d 💬 4 [23h57m]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 424 14h18m 963d 💬 1 [304d]
memory leak in xas_create mm C 15 541d 1071d 💬 9 [577d]
WARNING in ext4_dirty_folio mm C inconclusive done 25819 1d06h 1175d 💬 2 [23h57m]
INFO: task hung in do_read_cache_folio block mm kasan C error error 179 721d 1223d 💬 3 [708d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 1397d 1750d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 115d 1767d 💬 2 [1108d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1067d 1965d 💬 2 [1859d]
moderation (51):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 1 2d19h 2d19h
kernel panic: stack is corrupted in shmem_undo_range mm 1 10d 6d08h
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) mm fs 1 16d 16d
general protection fault in asm_sysvec_reschedule_ipi fs mm 1 20d 16d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 3 8d05h 20d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 3 6h14m 23d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 24d 24d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 34d 34d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 34d 34d
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 41d 37d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 2 30d 41d
BUG: soft lockup in dev_ioctl (2) bpf trace mm 2 33d 42d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm 2 40d 45d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 11 1d04h 46d
general protection fault in lru_gen_test_recent mm 2 34d 46d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 23 2d09h 48d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 50 6h18m 49d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 57 9h33m 50d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 55d 55d
possible deadlock in page_cache_ra_unbounded (2) mm fs 2 22d 57d
kernel BUG in folio_clear_dirty_for_io fs mm 2 64d 60d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 3 21d 60d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 3 14d 61d
general protection fault in workingset_refault (2) mm 1 71d 67d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 24d 73d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 14 5h29m 74d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) mm iomap 22 3d18h 77d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 36d 82d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 5 16d 86d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 80 6h15m 129d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 41d 139d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 60 16h05m 204d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 241 2d10h 206d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 60 2h48m 206d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 456 11h39m 207d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 48 2d09h 240d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 39 2d07h 243d
KCSAN: data-race in getrusage / vms_clear_ptes mm 146 1d01h 264d 💬 1 [91d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 108 4d03h 343d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 96 3d16h 344d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 79 7d04h 346d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 493 1d12h 403d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 31d 429d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 126 6d19h 432d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) mm 114 1d08h 552d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1490 12h32m 553d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1354 11h03m 1277d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4647 12h14m 1448d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 1523 5d03h 1723d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 4071 20d 2012d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 2024 10h59m 2018d