syzbot


mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 260
Parent subsystem(s): kernel (72)
Child subsystems: damon (0)
open (49):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __page_table_check_ptes_set mm C 2 5d14h 1d15h PATCH [14h29m]
possible deadlock in gup_fast_fallback mm 3 6d08h 2d08h 💬 0 [2d08h]
KASAN: slab-use-after-free Read in hugetlb_fault mm C done 3 1d21h 5d13h 💬 2 [4d17h]
INFO: rcu detected stall in __run_timer_base kasan mm C 1 13d 9d09h 💬 1 [9d08h]
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 13d 10d 💬 6 [5d03h]
general protection fault in hpage_collapse_scan_file mm C 22 14d 14d 💬 4 [5d16h]
BUG: bad usercopy in do_handle_open mm hardening C 446 18d 17d 💬 2 [17d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C 237 1h47m 19d 💬 2 [18d]
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (3) mm 1 21d 20d 💬 2 [19d]
WARNING: bad unlock balance in madvise_cold_or_pageout_pte_range mm C 8 18d 20d 💬 4 [18d]
WARNING in __mod_memcg_lruvec_state mm cgroups 1 25d 21d 💬 5 [9d06h]
general protection fault in shmem_get_next_id mm C error 19 13d 21d 💬 5 [10d]
BUG: unable to handle kernel paging request in copy_from_kernel_nofault (2) mm C 2 11d 21d PATCH [1d00h]
INFO: rcu detected stall in sys_clone (8) mm C 15 2h10m 25d 💬 0 [25d]
kernel BUG in const_folio_flags mm 4 13d 33d 💬 4 [32d]
INFO: rcu detected stall in asm_exc_page_fault input usb mm syz 1 48d 44d 💬 3 [43d]
WARNING in try_to_migrate_one (2) mm C 5 12d 45d 💬 2 [7d19h]
WARNING in try_to_unmap_one mm 2 12d 49d 💬 0 [49d]
WARNING in kunmap_local_indexed mm C 83 2h53m 56d 💬 0 [34d]
possible deadlock in lock_vma mm C done 18 69d 67d 💬 0 [67d]
WARNING in move_pages mm C done 8 69d 67d 💬 0 [67d]
BUG: unable to handle kernel paging request in bpf_probe_read_kernel_str mm C done 4 59d 76d 💬 0 [76d]
kernel BUG in validate_mm (3) mm C error 3 85d 85d 💬 2 [84d]
BUG: unable to handle kernel paging request in bpf_probe_read_compat_str mm C done 4 62d 87d 💬 1 [80d]
INFO: rcu detected stall in dput (8) mm C done 15 12h11m 113d 💬 0 [113d]
kernel BUG in add_to_swap mm 6 65d 125d 💬 1 [125d]
INFO: rcu detected stall in sys_recvmmsg (3) kasan mm batman 32 84d 126d 💬 0 [126d]
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C 3 31d 130d 💬 0 [130d]
BUG: spinlock recursion in try_to_wake_up mm C 2 10d 161d 💬 0 [161d]
WARNING in __gup_longterm_locked (2) mm 14 18h22m 174d 💬 0 [97d]
WARNING in __kfence_free (3) kasan mm syz 92 31d 188d 💬 1 [34d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 59 2d07h 201d 💬 0 [7d11h]
WARNING in shmem_evict_inode (2) mm 5 94d 202d 💬 0 [202d]
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10214 4h13m 212d PATCH [210d]
kernel BUG in filemap_unaccount_folio mm C done 14 2d01h 229d 💬 3 [34d]
BUG: unable to handle kernel paging request in list_lru_add mm syz 48 32d 231d 💬 0 [34d]
INFO: rcu detected stall in sys_openat (3) kernfs mm C error 36 17d 233d 💬 0 [15d]
kernel BUG in do_page_mkwrite mm C done 16 4d01h 250d 💬 0 [97d]
kernel BUG in __phys_addr (2) mm reiserfs C error done 42 19d 282d 💬 0 [54d]
KCSAN: data-race in generic_fillattr / shmem_unlink (3) mm 653 22m 365d 💬 1 [34d]
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 719 1d02h 365d 💬 5 [34d]
INFO: task hung in __unmap_and_move (4) mm C error 4 48d 481d 💬 3 [160d]
possible deadlock in filemap_fault mm ntfs3 C done 758 now 536d 💬 3 [17d]
memory leak in xas_create mm C 15 124d 654d 💬 9 [160d]
WARNING in ext4_dirty_folio mm C inconclusive done 25788 1h46m 758d 💬 1 [65d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 304d 806d 💬 3 [291d]
INFO: task can't die in shrink_inactive_list (2) mm C error 2 1253d 1249d 💬 10 [1172d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 980d 1333d 💬 0 [1333d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 650d 1548d 💬 2 [1442d]
moderation (47):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mlock_folio / need_mlock_drain (4) mm 1 1h42m 1h42m 💬 0 [never]
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch mm 1 1d22h 1d22h 💬 0 [never]
KCSAN: data-race in bprm_execve / copy_fs (2) fs mm 1 6d12h 6d12h 💬 0 [never]
KCSAN: data-race in ondemand_readahead / ondemand_readahead (11) fs mm 9 1d16h 7d10h 💬 0 [never]
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (4) mm 3 22h33m 10d 💬 0 [never]
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 1 12d 12d 💬 0 [never]
KCSAN: data-race in getrusage / unmap_region mm 2 1d21h 14d 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 4d11h 15d 💬 0 [never]
WARNING: refcount bug in __set_page_owner mm 2 12d 16d 💬 0 [never]
KCSAN: data-race in getrusage / try_to_unmap_one mm 1 19d 19d 💬 0 [never]
KCSAN: data-race in list_lru_add / list_lru_count_node (10) mm 2 17d 21d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (6) fs mm 1 30d 30d 💬 0 [never]
KCSAN: data-race in do_try_to_free_pages / shrink_node (5) mm 1 32d 32d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (5) mm 6 3d13h 62d 💬 0 [never]
KCSAN: data-race in __writeback_single_inode / xas_set_mark (5) fs mm 2 30d 62d 💬 0 [never]
KCSAN: data-race in __mod_memcg_state / mem_cgroup_css_rstat_flush mm cgroups 226 2h17m 71d 💬 0 [never]
KCSAN: data-race in __count_memcg_events / mem_cgroup_css_rstat_flush cgroups mm 197 2h21m 71d 💬 0 [never]
KCSAN: data-race in __mod_memcg_lruvec_state / mem_cgroup_css_rstat_flush cgroups mm 220 2h41m 72d 💬 0 [never]
general protection fault in khugepaged (3) mm 2 2d01h 76d 💬 0 [never]
INFO: task hung in page_cache_ra_unbounded (2) fs mm 38 22d 84d 💬 0 [never]
KCSAN: data-race in drain_all_stock / drain_stock (9) mm cgroups 5 25d 95d 💬 0 [never]
KCSAN: data-race in mas_walk / mas_wmb_replace mm 63 1d00h 101d 💬 0 [never]
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 160 21h55m 104d 💬 0 [never]
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 165 2d06h 104d 💬 0 [never]
KCSAN: data-race in call_rcu / mtree_range_walk mm 242 2h35m 104d 💬 0 [never]
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 199 1d02h 104d 💬 0 [never]
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (6) fs mm 5 20d 114d 💬 0 [never]
KCSAN: data-race in fprop_new_period / fprop_reflect_period_percpu (10) fs mm 29 6d02h 135d 💬 0 [never]
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (3) mm 67 11d 136d 💬 0 [never]
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 168 4h48m 136d 💬 0 [never]
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (2) mm 122 1d06h 136d 💬 0 [never]
KCSAN: data-race in __refill_stock / drain_all_stock (2) cgroups mm 119 23d 136d 💬 0 [never]
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (4) fs mm 126 5d08h 137d 💬 0 [never]
KCSAN: data-race in __wb_writeout_add / writeout_period (4) fs mm 141 12d 137d 💬 0 [never]
KCSAN: data-race in drain_all_stock / try_charge_memcg (2) cgroups mm 188 4h45m 137d 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma mm 255 8d03h 137d 💬 0 [never]
KCSAN: data-race in generic_fillattr / shmem_symlink (2) mm 246 10d 138d 💬 0 [never]
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (7) fs mm 277 1d14h 138d 💬 0 [never]
BUG: unable to handle kernel paging request in clear_page_erms (5) mm 4 81d 182d 💬 0 [never]
KCSAN: data-race in __anon_vma_prepare / lock_vma_under_rcu mm 56 23d 349d 💬 0 [never]
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 657 2h06m 714d 💬 0 [never]
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 707 12d 837d 💬 0 [never]
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 783 1h02m 860d 💬 0 [never]
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 3530 2h36m 1031d 💬 0 [never]
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1327 23h53m 1306d 💬 0 [never]
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3486 2h47m 1595d 💬 0 [never]
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 1289 7h36m 1601d 💬 0 [never]