syzbot


mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 277
Parent subsystem(s): kernel (85)
Child subsystems: damon (0) maple-tree (1)
open (56):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: Bad page map (8) mm C 1 4d20h 20h43m 💬 3 [6h20m]
kernel BUG in resv_map_release (2) mm 1 9d17h 5d17h
general protection fault in khugepaged (3) mm 5 6d06h 6d06h
possible deadlock in __mmap_lock_do_trace_released mm C done 5 6h33m 17d 💬 5 [8d05h]
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (3) mm 2 25d 25d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (2) mm 2 4d11h 28d 💬 3 [25d]
BUG: soft lockup in call_timer_fn mm 14 11d 31d
WARNING in __page_table_check_ptes_set (2) mm 15 29d 37d 💬 4 [36d]
BUG: unable to handle kernel NULL pointer dereference in __swap_duplicate mm C 1 49d 45d
kernel panic: corrupted stack end in userfaultfd_ioctl mm C 1 50d 46d 💬 3 [44d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 35d 48d
UBSAN: shift-out-of-bounds in do_shrink_slab mm 4 52d 48d 💬 3 [46d]
INFO: rcu detected stall in kcompactd (2) mm C error 4 5d17h 48d 💬 2 [48d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error 3 24d 50d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error 408 1h04m 53d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 93 1h15m 53d
WARNING in shmem_evict_inode (3) mm 15 2d02h 55d
INFO: task hung in __lru_add_drain_all (2) mm 197 2d02h 62d
BUG: Bad rss-counter state (5) mm C done 786 1d02h 67d 💬 3 [18d]
INFO: rcu detected stall in validate_mm (3) mm C error 15 8d06h 68d 💬 5 [10d]
INFO: rcu detected stall in sock_write_iter (3) mm netfilter C done 15 7d15h 73d 💬 1 [73d]
general protection fault in __pte_offset_map_lock mm C done 66 10d 75d
WARNING in hpage_collapse_scan_pmd (2) mm syz 3 73d 77d 💬 1 [74d]
KMSAN: uninit-value in zswap_rb_insert mm 1 84d 80d 💬 1 [80d]
possible deadlock in __mmap_lock_do_trace_start_locking mm C done 22 1d15h 84d 💬 1 [33d]
possible deadlock in gup_fast_fallback mm 37 3d01h 89d
KASAN: slab-use-after-free Read in hugetlb_fault mm C done done 6 69d 92d 💬 2 [38d]
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 84d 97d 💬 6 [92d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error 498 1h59m 106d 💬 2 [18d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 38 9h55m 112d 💬 10 [16d]
INFO: rcu detected stall in asm_exc_page_fault mm input usb syz 1 136d 132d 💬 3 [130d]
WARNING in try_to_migrate_one (2) mm C error error 6 72d 132d 💬 2 [95d]
WARNING in try_to_unmap_one mm 2 99d 136d
WARNING in kunmap_local_indexed mm C 1357 10h25m 144d
BUG: soft lockup in pipe_read fs mm syz 4 36d 176d
INFO: rcu detected stall in dput (8) mm C done 107 1h27m 200d
kernel BUG in add_to_swap mm 7 52d 213d 💬 1 [212d]
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 25d 218d
BUG: spinlock recursion in try_to_wake_up mm C 2 97d 248d
WARNING in __gup_longterm_locked (2) mm 17 54d 261d
INFO: rcu detected stall in worker_thread (9) mm netfilter batman C done 1341 1h13m 286d PATCH [279d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 8d10h 289d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10262 5d02h 299d PATCH [15d]
kernel BUG in filemap_unaccount_folio mm C done 39 6d09h 317d 💬 3 [121d]
BUG: unable to handle kernel paging request in list_lru_add mm C done 11367 6d15h 319d 💬 2 [6d09h]
INFO: rcu detected stall in sys_openat (3) mm C error 69 2d20h 320d
kernel BUG in do_page_mkwrite mm C done error 16 77d 338d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 726 5d07h 452d 💬 5 [18d]
possible deadlock in filemap_fault mm C done 1225 4h18m 623d 💬 3 [18d]
memory leak in xas_create mm C 15 212d 741d 💬 9 [247d]
WARNING in ext4_dirty_folio mm C inconclusive done 25792 17d 846d 💬 1 [18d]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 392d 893d 💬 3 [379d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1340d 1336d 💬 10 [1260d]
INFO: rcu detected stall in addrconf_dad_work (5) kasan mm wireless C done inconclusive 12 28d 1411d
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1068d 1420d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 737d 1635d 💬 2 [1529d]
moderation (57):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 1 4d08h 4d08h
kernel panic: System is deadlocked on memory (2) mm 2 14h23m 6d04h
KCSAN: data-race in folio_alloc_swap / free_swap_slot mm 1 6d13h 6d13h
upstream test error: KCSAN: data-race in generic_fillattr / shmem_unlink mm 1 6d21h 6d21h
KCSAN: data-race in __lru_add_drain_all / folio_activate (6) mm 1 10d 10d
KCSAN: data-race in exec_mmap / mm_update_next_owner (5) fs mm 1 10d 10d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 3 21h25m 14d
general protection fault in ksm_do_scan mm 2 12d 14d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 4 2d13h 14d
KCSAN: data-race in bprm_execve / copy_fs (3) fs mm 2 9d09h 16d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 5 2d22h 16d
KCSAN: data-race in do_try_to_free_pages / shrink_node (6) mm 1 19d 19d
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (11) mm fs 1 19d 19d
BUG: corrupted list in __page_cache_release mm 4 24d 20d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (5) fs mm 1 21d 21d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 5 4d11h 22d
general protection fault in __mod_memcg_state cgroups mm 1 27d 23d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (6) fs mm 1 25d 25d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 4 6h29m 26d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (4) fs mm 1 26d 26d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked fs mm 1 26d 26d
KCSAN: data-race in list_lru_add / list_lru_count_node (11) mm 1 27d 27d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 4d23h 30d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 6 18h30m 31d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (2) mm 2 26d 37d
kernel panic: corrupted stack end in vma_iter_store mm 1 44d 40d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (4) mm 5 8d08h 45d
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (6) mm iomap 4 16h12m 45d
kernel panic: corrupted stack end in handle_page_fault mm 1 50d 46d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 6 7d04h 47d
kernel panic: corrupted stack end in mntput fs mm 2 37d 47d
BUG: unable to handle kernel paging request in ntfs_fill_super (2) mm 3 41d 72d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 11 7d09h 73d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 8 4d21h 81d
KCSAN: data-race in ondemand_readahead / ondemand_readahead (11) mm fs 98 16d 94d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 18 10d 99d
KCSAN: data-race in getrusage / unmap_region mm 35 1d03h 101d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 33 3d20h 102d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (5) mm 12 32d 149d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 675 2h52m 171d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 112 1d04h 189d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 278 12h23m 191d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 248 5h29m 191d
KCSAN: data-race in call_rcu / mtree_range_walk mm 408 14h12m 191d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 324 13h28m 191d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 282 4h09m 223d
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 146 24d 224d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 308 9d15h 224d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 295 18d 225d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 711 12h07m 801d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 757 15h30m 924d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 844 39m 948d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4041 34m 1119d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1420 15h33m 1393d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 3821 13h50m 1682d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1339 3d20h 1688d
corrupted report (2) fs mm 546060 now 2291d