syzbot


mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 247
Parent subsystem(s): kernel (58)
Child subsystems: damon (0)
open (41):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in sg_init_one mm C 375 8m 13h49m PATCH [4h17m]
upstream boot error: WARNING: refcount bug in __reset_page_owner mm 75 2h24m 19h21m 💬 0 [19h21m]
INFO: rcu detected stall in asm_exc_page_fault mm input usb syz 1 13d 9d16h 💬 3 [7d20h]
WARNING in try_to_migrate_one (2) mm 4 6d03h 9d19h 💬 0 [9d19h]
WARNING in try_to_unmap_one mm 1 18d 14d 💬 0 [14d]
WARNING in kunmap_local_indexed mm C 11 3d04h 21d 💬 0 [21d]
possible deadlock in lock_vma mm C done 18 34d 32d 💬 0 [32d]
WARNING in move_pages mm C done 8 34d 32d 💬 0 [32d]
BUG: unable to handle kernel paging request in bpf_probe_read_kernel_str mm C done 4 24d 40d 💬 0 [40d]
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (2) mm 2 34d 46d 💬 0 [46d]
kernel BUG in validate_mm (3) mm C error 3 49d 49d 💬 2 [48d]
BUG: unable to handle kernel paging request in bpf_probe_read_compat_str mm C done 4 27d 52d 💬 1 [45d]
WARNING in hpage_collapse_scan_pmd mm 1 74d 69d 💬 2 [67d]
general protection fault in free_swap_cache (4) mm reiserfs C done done 1 75d 74d 💬 1 [25d]
KMSAN: uninit-value in virtqueue_add (4) mm C 171259 now 77d PATCH [13d]
INFO: rcu detected stall in dput (8) mm C done 6 64d 78d 💬 0 [78d]
kernel BUG in add_to_swap mm 6 29d 90d 💬 1 [90d]
INFO: rcu detected stall in sys_recvmmsg (3) batman kasan mm 32 49d 90d 💬 0 [90d]
KASAN: slab-out-of-bounds Write in shmem_file_read_iter mm hfs C 2 2d06h 95d 💬 0 [95d]
BUG: spinlock recursion in try_to_wake_up mm C 1 130d 126d 💬 0 [126d]
WARNING in __gup_longterm_locked (2) mm 12 59d 139d 💬 0 [61d]
WARNING in __kfence_free (3) kasan mm syz 88 1d11h 153d 💬 1 [30d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 45 22h23m 166d 💬 0 [61d]
WARNING in shmem_evict_inode (2) mm 5 59d 166d 💬 0 [166d]
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10201 1d19h 176d PATCH [174d]
kernel BUG in filemap_unaccount_folio mm C done 11 2d21h 194d 💬 3 [61d]
BUG: unable to handle kernel paging request in list_lru_add mm syz 47 13h22m 196d 💬 0 [30d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 34 9d05h 197d 💬 0 [45d]
kernel BUG in do_page_mkwrite mm C done 11 19d 215d 💬 0 [61d]
stack segment fault in __stack_depot_save kernfs mm net C inconclusive done 3 77d 238d 💬 0 [24d]
general protection fault in unlink_file_vma (2) mm reiserfs C inconclusive done 1 73d 266d 💬 0 [17d]
KCSAN: data-race in generic_fillattr / shmem_unlink (3) mm 649 9d09h 329d 💬 1 [30d]
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 707 2d02h 329d 💬 5 [30d]
INFO: task hung in __unmap_and_move (4) mm C error 4 13d 445d 💬 3 [125d]
possible deadlock in filemap_fault mm ntfs3 C done 657 2d00h 501d 💬 3 [30d]
memory leak in xas_create mm C 15 89d 618d 💬 9 [125d]
WARNING in ext4_dirty_folio mm C inconclusive done 25780 32d 723d 💬 1 [30d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 269d 771d 💬 3 [256d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1217d 1214d 💬 10 [1137d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 945d 1298d 💬 0 [1298d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 615d 1513d 💬 2 [1406d]
moderation (57):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in write_cache_pages / write_cache_pages (12) mm fs 3 7d11h 11d 💬 0 [never]
KCSAN: data-race in shmem_file_read_iter / shmem_setattr (9) mm 1 17d 17d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (5) fs mm 4 7d17h 26d 💬 0 [never]
KCSAN: data-race in __writeback_single_inode / xas_set_mark (5) fs mm 1 27d 27d 💬 0 [never]
KCSAN: data-race in exec_mmap / mm_update_next_owner (4) fs mm 1 29d 29d 💬 0 [never]
KCSAN: data-race in ondemand_readahead / read_pages (2) fs mm 1 30d 30d 💬 0 [never]
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (8) mm 1 34d 34d 💬 0 [never]
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (5) mm 4 6d21h 35d 💬 0 [never]
KCSAN: data-race in __mod_memcg_state / mem_cgroup_css_rstat_flush cgroups mm 119 4h12m 36d 💬 0 [never]
KCSAN: data-race in __count_memcg_events / mem_cgroup_css_rstat_flush cgroups mm 110 4h09m 36d 💬 0 [never]
KCSAN: data-race in __mod_memcg_lruvec_state / mem_cgroup_css_rstat_flush cgroups mm 117 4h34m 36d 💬 0 [never]
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue mm 3 4d06h 37d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (3) fs mm 3 22d 38d 💬 0 [never]
general protection fault in khugepaged (3) mm 1 45d 41d 💬 0 [never]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 36 6d23h 49d 💬 0 [never]
general protection fault in ksm_scan_thread mm 1 54d 50d 💬 0 [never]
BUG: unable to handle kernel paging request in ntfs_fill_super mm 1 55d 54d 💬 0 [never]
KCSAN: data-race in drain_all_stock / drain_stock (9) cgroups mm 4 19d 60d 💬 0 [never]
KCSAN: data-race in mas_walk / mas_wmb_replace mm 47 13h53m 66d 💬 0 [never]
general protection fault in remove_vma mm 1 72d 68d 💬 0 [never]
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 111 1h18m 69d 💬 0 [never]
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 119 1d08h 69d 💬 0 [never]
KCSAN: data-race in call_rcu / mtree_range_walk mm 169 4h08m 69d 💬 0 [never]
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 138 32m 69d 💬 0 [never]
KCSAN: data-race in xas_create / xas_find (6) fs mm 4 15d 78d 💬 0 [never]
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (6) fs mm 3 28d 79d 💬 0 [never]
KCSAN: data-race in mlock_new_folio / need_mlock_drain (2) mm 8 16d 100d 💬 0 [never]
KCSAN: data-race in _copy_from_iter / _copy_from_iter (2) mm 18 19d 100d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 mm 21 11d 100d 💬 0 [never]
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (10) fs mm 27 15d 100d 💬 0 [never]
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (3) mm 26 19d 101d 💬 0 [never]
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (3) mm 65 12d 101d 💬 0 [never]
KCSAN: data-race in next_uptodate_folio / shmem_write_end mm 88 16d 101d 💬 0 [never]
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 133 14h42m 101d 💬 0 [never]
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (2) mm 115 4d02h 101d 💬 0 [never]
KCSAN: data-race in __refill_stock / drain_all_stock (2) mm cgroups 115 4d13h 101d 💬 0 [never]
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (4) mm 118 1d06h 102d 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_batch_move_lru mm 118 8d09h 102d 💬 0 [never]
KCSAN: data-race in ondemand_readahead / ondemand_readahead (10) fs mm 147 12d 102d 💬 0 [never]
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 137 10d 102d 💬 0 [never]
KCSAN: data-race in read_pages / read_pages (2) fs mm 134 6d22h 102d 💬 0 [never]
KCSAN: data-race in drain_all_stock / try_charge_memcg (2) mm cgroups 185 5d19h 102d 💬 0 [never]
KCSAN: data-race in shmem_file_splice_read / shmem_write_end mm 225 7d20h 102d 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 244 3d22h 102d 💬 0 [never]
KCSAN: data-race in generic_fillattr / shmem_symlink (2) mm 242 7d19h 102d 💬 0 [never]
KCSAN: data-race in shmem_get_folio_gfp / shmem_write_end mm 460 7d08h 102d 💬 0 [never]
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 267 15h44m 102d 💬 0 [never]
BUG: unable to handle kernel paging request in clear_page_erms (5) mm 4 46d 147d 💬 0 [never]
KCSAN: data-race in __anon_vma_prepare / lock_vma_under_rcu mm 55 4d13h 314d 💬 0 [never]
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 649 7d19h 679d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range fs mm 698 23h35m 802d 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 776 10h42m 825d 💬 0 [never]
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 3386 4h24m 996d 💬 0 [never]
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1287 7h06m 1270d 💬 0 [never]
KCSAN: data-race in shmem_file_read_iter / shmem_write_end mm 1512 7d20h 1536d 💬 0 [never]
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3382 3h38m 1560d 💬 0 [never]
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1279 19h51m 1566d 💬 0 [never]