syzbot

 sign-in | mailing list | source | docs
🐞 Open [1227]
≡ Subsystems
🐞 Fixed [5632]
🐞 Invalid [13670]
⬇ Missing Backports [99]
Kernel Health Bugs/Month Bug Lifetimes Fuzzing Crashes
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (72):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (3) erofs mm C 5 27m 1h53m PATCH [55m]
possible deadlock in refill_stock mm cgroups 1 7d01h 3d01h
INFO: rcu detected stall in x64_sys_call mm 39 1h42m 7d10h
BUG: corrupted list in add_to_unbuddied mm 6 1d11h 8d08h
KASAN: slab-use-after-free Read in hugetlb_fault (2) mm 2 4d13h 8d12h PATCH [2d11h]
possible deadlock in obj_cgroup_charge cgroups mm 4 4d00h 9d17h
INFO: task hung in hugetlb_fault mm 59 2d08h 10d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (7) mm 10 28d 10d
kernel BUG in z3fold_page_migrate mm syz 35 2h37m 13d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 1868 23m 15d
KMSAN: uninit-value in zswap_store (2) mm 1 20d 16d 💬 1 [13d]
KMSAN: uninit-value in lzo1x_1_do_compress (3) mm 1 22d 18d PATCH [12d]
BUG: unable to handle kernel paging request in mmap_region mm 381 19d 20d 💬 1 [20d]
general protection fault in ksm_do_scan mm 6 19d 20d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 7 10d 24d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 41d 24d
KCSAN: data-race in __reset_isolation_suitable / compact_zone (2) mm 1 26d 26d
WARNING in zswap_swapoff mm 23 20d 31d 💬 18 [13d]
INFO: task hung in hugetlb_wp mm 89 2d19h 31d
kernel BUG in swap_cgroup_record cgroups mm syz done 10 31d 32d 💬 1 [32d]
INFO: rcu detected stall in kcov_close mm 35 16d 35d
kernel panic: System is deadlocked on memory (2) mm 14 12h45m 35d
INFO: rcu detected stall in vm_mmap_pgoff mm 42 19h08m 36d
INFO: rcu detected stall in kcov_ioctl (2) mm 46 15d 49d 💬 2 [48d]
KCSAN: data-race in compact_zone / isolate_migratepages_block (4) mm 5 32d 50d
possible deadlock in try_charge_memcg cgroups mm 1 61d 57d
BUG: Bad page map (8) mm C 1 64d 60d 💬 9 [55d]
kernel BUG in resv_map_release (2) mm 1 69d 65d
general protection fault in khugepaged (3) mm 10 1d12h 65d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (2) mm 4 24d 87d 💬 3 [84d]
BUG: soft lockup in call_timer_fn net mm 19 48d 91d
WARNING in __page_table_check_ptes_set (2) mm 107 14d 96d 💬 4 [96d]
WARNING: locking bug in __schedule mm 103 now 100d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 25d 107d
INFO: rcu detected stall in kcompactd (2) mm C error 4 3d15h 108d 💬 2 [107d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error 3 17d 110d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 49d 113d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 106 22h22m 113d
WARNING in shmem_evict_inode (3) mm 19 16d 115d
INFO: rcu detected stall in sys_sendto (7) mm C error 29 30d 118d
INFO: task hung in __lru_add_drain_all (2) mm 258 1d08h 122d
BUG: Bad rss-counter state (5) mm C done 791 21h14m 126d 💬 3 [45d]
INFO: rcu detected stall in validate_mm (3) mm C error 27 23d 127d 💬 5 [69d]
general protection fault in __pte_offset_map_lock mm C done 68 25d 134d
WARNING: locking bug in find_lock_lowest_rq ext4 mm C error 24 10d 145d 💬 2 [110d]
possible deadlock in gup_fast_fallback mm C done 554 12h32m 149d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 143d 157d 💬 6 [151d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 59d 166d 💬 2 [45d]
memory leak in corrupted (2) mm exfat syz 432 2d04h 168d PATCH [12m]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 50 1d20h 172d 💬 10 [2d17h]
BUG: soft lockup in do_sock_setsockopt tipc mm C 17 28d 178d 💬 1 [177d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 2 26d 191d 💬 3 [45d]
WARNING in kunmap_local_indexed mm C 1380 56d 203d
BUG: soft lockup in pipe_read fs mm syz 4 96d 236d
INFO: task hung in _vm_unmap_aliases (3) mm C 456 10d 251d
INFO: rcu detected stall in dput (8) mm C done 150 5d12h 260d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 17d 277d
INFO: rcu detected stall in sys_socket (10) net apparmor mm C done 26 23d 291d 💬 6 [287d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 26d 308d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 67d 348d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10284 20h17m 358d PATCH [74d]
kernel BUG in filemap_unaccount_folio mm C done done 39 65d 376d 💬 3 [34d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 89 2d00h 379d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 45 23h42m 400d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 746 2d05h 511d 💬 14 [8d18h]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 283 4d10h 511d 💬 6 [14d]
possible deadlock in filemap_fault mm C done 1540 19h07m 683d 💬 3 [14d]
memory leak in xas_create mm C 15 271d 800d 💬 9 [307d]
WARNING in ext4_dirty_folio mm C inconclusive done 25797 18h08m 905d 💬 1 [14d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 451d 953d 💬 3 [438d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1127d 1480d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 797d 1695d 💬 2 [1588d]
moderation (41):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in read_pages / read_pages (3) fs mm 1 6d19h 6d19h
BUG: corrupted list in do_compact_page mm 4 8d23h 12d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 1 23d 19d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 23d 20d
KCSAN: data-race in xas_create / xas_find (7) fs mm 1 23d 23d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 9d22h 28d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add mm 1 29d 29d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (8) fs mm 3 20d 40d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra fs mm 3 12d 41d
KCSAN: data-race in shmem_fallocate / shmem_fault (8) mm 7 9d00h 47d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_clear_mark (5) fs mm 2 32d 47d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 6 5d16h 63d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 13 4d09h 73d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 13 4d07h 74d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 11 20d 75d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 12 16d 81d
general protection fault in __mod_memcg_state cgroups mm 1 86d 82d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 9 6d13h 85d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 64d 89d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 20 1d08h 90d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (4) mm 8 34d 104d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 12 12d 106d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 66 1h23m 132d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 12 27d 140d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 34 3d03h 159d
KCSAN: data-race in getrusage / unmap_region mm 43 3d21h 160d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 51 5d10h 162d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 152 19h51m 248d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 357 1d09h 251d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 320 4d02h 251d
KCSAN: data-race in call_rcu / mtree_range_walk mm 523 12h14m 251d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 409 9h46m 251d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 458 1h32m 283d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 806 1h51m 861d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 788 19h02m 984d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 935 1h53m 1007d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4173 15h39m 1178d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1438 17h04m 1452d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 3904 1d06h 1742d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1432 1h33m 1748d
corrupted report (2) mm 613979 now 2350d