syzbot

 sign-in | mailing list | source | docs
🐞 Open [1214]
≡ Subsystems
🐞 Fixed [5619]
🐞 Invalid [13507]
⬇ Missing Backports [100]
Kernel Health Bugs/Month Bug Lifetimes Fuzzing Crashes
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (69):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in obj_cgroup_charge cgroups mm 2 2d21h 1d03h
INFO: task hung in hugetlb_fault mm 40 18h45m 1d10h
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (7) mm 10 20d 2d05h
kernel BUG in z3fold_page_migrate mm 20 8h49m 4d16h
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 1661 11m 6d16h
KMSAN: uninit-value in zswap_store (2) mm 1 11d 7d21h 💬 1 [4d22h]
KMSAN: uninit-value in lzo1x_1_do_compress (3) mm 1 13d 9d18h PATCH [4d01h]
BUG: unable to handle kernel paging request in mmap_region mm 381 11d 11d 💬 1 [11d]
general protection fault in ksm_do_scan mm 6 10d 12d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 7 1d15h 16d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 32d 16d
KCSAN: data-race in __reset_isolation_suitable / compact_zone (2) mm 1 18d 18d
WARNING in zswap_swapoff mm 23 11d 22d 💬 18 [4d21h]
INFO: task hung in hugetlb_wp mm 71 1d19h 23d
kernel BUG in swap_cgroup_record cgroups mm syz done 10 22d 23d 💬 1 [23d]
INFO: rcu detected stall in kcov_close mm 35 8d04h 27d
kernel panic: System is deadlocked on memory (2) mm 13 13d 27d
INFO: rcu detected stall in vm_mmap_pgoff mm 39 2d06h 28d
INFO: rcu detected stall in kcov_ioctl (2) mm 46 6d11h 41d 💬 2 [40d]
KCSAN: data-race in compact_zone / isolate_migratepages_block (4) mm 5 24d 42d
possible deadlock in try_charge_memcg cgroups mm 1 53d 49d
possible deadlock in mmap_read_lock mm 1 54d 50d 💬 1 [50d]
BUG: Bad page map (8) mm C 1 55d 51d 💬 9 [47d]
kernel BUG in resv_map_release (2) mm 1 60d 56d
general protection fault in khugepaged (3) mm 8 4h02m 57d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (3) mm 5 27d 76d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (2) mm 4 15d 79d 💬 3 [76d]
BUG: soft lockup in call_timer_fn net mm 19 40d 82d
WARNING in __page_table_check_ptes_set (2) mm 107 5d17h 87d 💬 4 [87d]
WARNING: locking bug in __schedule mm 98 12h46m 92d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 16d 99d
INFO: rcu detected stall in kcompactd (2) mm C error 4 25d 99d 💬 2 [99d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error 3 8d12h 101d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 41d 104d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 103 14d 104d
WARNING in shmem_evict_inode (3) mm 19 7d10h 106d
INFO: rcu detected stall in sys_sendto (7) mm C error 29 21d 109d
INFO: task hung in __lru_add_drain_all (2) mm 255 7h16m 113d
BUG: Bad rss-counter state (5) mm C done 789 37d 118d 💬 3 [37d]
INFO: rcu detected stall in validate_mm (3) mm C error 27 15d 119d 💬 5 [61d]
general protection fault in __pte_offset_map_lock mm C done 68 16d 125d
WARNING: locking bug in find_lock_lowest_rq ext4 mm C error 24 1d16h 136d 💬 2 [102d]
possible deadlock in gup_fast_fallback mm C done 440 16m 140d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 135d 148d 💬 6 [143d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 50d 157d 💬 2 [37d]
memory leak in corrupted (2) mm exfat syz 432 8d15h 159d
INFO: rcu detected stall in sys_clone (8) bpf mm C error 48 4d10h 163d 💬 10 [67d]
BUG: soft lockup in do_sock_setsockopt tipc mm C 17 19d 170d 💬 1 [169d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 2 17d 183d 💬 3 [37d]
WARNING in kunmap_local_indexed mm C 1380 48d 195d
BUG: soft lockup in pipe_read fs mm syz 4 87d 227d
INFO: task hung in _vm_unmap_aliases (3) mm C 456 2d05h 242d
INFO: rcu detected stall in dput (8) mm C done 146 1h21m 251d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 8d15h 268d
INFO: rcu detected stall in sys_socket (10) net apparmor mm C done 26 14d 283d 💬 6 [278d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 17d 299d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 59d 339d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10277 1d03h 350d PATCH [66d]
kernel BUG in filemap_unaccount_folio mm C done done 39 57d 367d 💬 3 [25d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 86 3d07h 371d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 43 11d 391d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 743 2d16h 503d 💬 14 [4h37m]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 279 13h03m 503d 💬 6 [6d08h]
possible deadlock in filemap_fault mm C done 1429 37m 674d 💬 3 [6d08h]
memory leak in xas_create mm C 15 262d 792d 💬 9 [298d]
WARNING in ext4_dirty_folio mm C inconclusive done 25795 8d18h 897d 💬 1 [6d08h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 442d 944d 💬 3 [430d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1119d 1471d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 788d 1686d 💬 2 [1580d]
moderation (47):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in hugetlb_fault (2) mm 1 4d14h 14h09m
BUG: corrupted list in add_to_unbuddied mm 4 2d10h 1d19h
BUG: corrupted list in do_compact_page mm 4 9h04m 3d17h
KASAN: slab-use-after-free Read in folio_evictable (3) mm 1 14d 10d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 14d 11d
KCSAN: data-race in xas_create / xas_find (7) fs mm 1 15d 15d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 1d07h 19d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add mm 1 20d 20d
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (3) mm 1 25d 21d
KCSAN: data-race in page_cache_sync_ra / read_pages fs mm 1 27d 27d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (8) fs mm 3 12d 31d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (5) fs mm 1 31d 31d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra fs mm 3 4d09h 33d
KCSAN: data-race in shmem_fallocate / shmem_fault (8) mm 7 10h32m 38d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_clear_mark (5) fs mm 2 23d 39d
KCSAN: data-race in isolate_migratepages_block / isolate_migratepages_block (9) mm 6 32d 43d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 5 9d04h 55d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 12 6d19h 65d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 12 3d00h 65d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 11 12d 67d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 12 7d19h 73d
general protection fault in __mod_memcg_state cgroups mm 1 78d 74d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 8 2d01h 76d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) fs mm 7 55d 81d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 18 2h52m 82d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (4) mm 8 25d 96d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 12 3d11h 97d
kernel panic: corrupted stack end in mntput fs mm 2 88d 98d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 53 2d16h 124d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 12 19d 132d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 33 1d23h 150d
KCSAN: data-race in getrusage / unmap_region mm 42 11d 152d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 48 3d23h 153d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 150 1d20h 240d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 350 51m 242d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 317 14h33m 242d
KCSAN: data-race in call_rcu / mtree_range_walk mm 511 18h38m 242d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 402 11h04m 242d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 431 20h40m 274d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 783 11h18m 852d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 782 1d15h 975d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 921 14h26m 998d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4153 19h49m 1169d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1435 3d05h 1444d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 3895 20h44m 1733d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1410 12h37m 1739d
corrupted report (2) mm 604193 now 2342d