syzbot

 sign-in | mailing list | source | docs
🐞 Open [1231]
≡ Subsystems
🐞 Fixed [5633]
🐞 Invalid [13679]
⬇ 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 (73):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in sys_execve (6) mm syz done 10 4d14h 13h59m
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (3) erofs mm C 12 4h24m 20h35m PATCH [12h26m]
possible deadlock in refill_stock mm cgroups 1 7d20h 3d20h
INFO: rcu detected stall in x64_sys_call mm 39 20h24m 8d04h
BUG: corrupted list in add_to_unbuddied mm 6 2d05h 9d03h
KASAN: slab-use-after-free Read in hugetlb_fault (2) mm 2 5d08h 9d07h PATCH [3d05h]
possible deadlock in obj_cgroup_charge cgroups mm 4 4d18h 10d
INFO: task hung in hugetlb_fault mm 59 3d02h 10d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (7) mm 10 29d 11d
kernel BUG in z3fold_page_migrate mm syz 35 21h18m 14d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 1893 48m 16d
KMSAN: uninit-value in zswap_store (2) mm 1 21d 17d 💬 1 [14d]
KMSAN: uninit-value in lzo1x_1_do_compress (3) mm 1 23d 19d PATCH [13d]
BUG: unable to handle kernel paging request in mmap_region mm 381 20d 21d 💬 1 [21d]
general protection fault in ksm_do_scan mm 6 20d 21d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 7 11d 25d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 42d 25d
KCSAN: data-race in __reset_isolation_suitable / compact_zone (2) mm 1 27d 27d
WARNING in zswap_swapoff mm 23 21d 32d 💬 18 [14d]
INFO: task hung in hugetlb_wp mm 89 3d14h 32d
kernel BUG in swap_cgroup_record cgroups mm syz done 10 31d 32d 💬 1 [32d]
INFO: rcu detected stall in kcov_close mm 36 3h14m 36d
kernel panic: System is deadlocked on memory (2) mm 14 1d07h 36d
INFO: rcu detected stall in vm_mmap_pgoff mm 42 1d13h 37d
INFO: rcu detected stall in kcov_ioctl (2) mm 46 15d 50d 💬 2 [49d]
KCSAN: data-race in compact_zone / isolate_migratepages_block (4) mm 5 33d 51d
possible deadlock in try_charge_memcg cgroups mm 1 62d 58d
BUG: Bad page map (8) mm C 1 65d 61d 💬 9 [56d]
kernel BUG in resv_map_release (2) mm 1 69d 65d
general protection fault in khugepaged (3) mm 10 2d06h 66d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (2) mm 4 25d 88d 💬 3 [85d]
BUG: soft lockup in call_timer_fn net mm 19 49d 92d
WARNING in __page_table_check_ptes_set (2) mm 107 15d 97d 💬 4 [97d]
WARNING: locking bug in __schedule mm 103 18h46m 101d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 26d 108d
INFO: rcu detected stall in kcompactd (2) mm C error 4 4d10h 108d 💬 2 [108d]
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 50d 113d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 106 1d17h 114d
WARNING in shmem_evict_inode (3) mm 19 16d 116d
INFO: rcu detected stall in sys_sendto (7) mm C error 29 31d 119d
INFO: task hung in __lru_add_drain_all (2) mm 260 2h15m 123d
BUG: Bad rss-counter state (5) mm C done 791 1d15h 127d 💬 3 [46d]
INFO: rcu detected stall in validate_mm (3) mm C error 27 24d 128d 💬 5 [70d]
general protection fault in __pte_offset_map_lock mm C done 68 25d 135d
WARNING: locking bug in find_lock_lowest_rq ext4 mm C error 24 11d 146d 💬 2 [111d]
possible deadlock in gup_fast_fallback mm C done 558 16h27m 149d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 144d 157d 💬 6 [152d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 60d 167d 💬 2 [46d]
memory leak in corrupted (2) mm exfat syz 432 2d23h 169d PATCH [18h54m]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 51 7h36m 173d 💬 10 [3d12h]
BUG: soft lockup in do_sock_setsockopt tipc mm C 17 28d 179d 💬 1 [178d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 2 26d 192d 💬 3 [46d]
WARNING in kunmap_local_indexed mm C 1380 57d 204d
BUG: soft lockup in pipe_read fs mm syz 4 96d 236d
INFO: task hung in _vm_unmap_aliases (3) mm C 456 11d 252d
INFO: rcu detected stall in dput (8) mm C done 150 6d06h 261d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 18d 278d
INFO: rcu detected stall in sys_socket (10) net apparmor mm C done 26 24d 292d 💬 6 [287d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 26d 309d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 68d 349d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10284 1d14h 359d PATCH [75d]
kernel BUG in filemap_unaccount_folio mm C done done 39 66d 377d 💬 3 [35d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 89 2d19h 380d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 45 1d18h 401d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 746 3d00h 512d 💬 14 [9d13h]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 284 14h21m 512d 💬 6 [15d]
possible deadlock in filemap_fault mm C done 1543 4h39m 684d 💬 3 [15d]
memory leak in xas_create mm C 15 272d 801d 💬 9 [307d]
WARNING in ext4_dirty_folio mm C inconclusive done 25797 1d12h 906d 💬 1 [15d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 452d 953d 💬 3 [439d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1128d 1481d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 798d 1695d 💬 2 [1589d]
moderation (41):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 1 9h54m 9h54m
KCSAN: data-race in read_pages / read_pages (3) fs mm 1 7d14h 7d14h
BUG: corrupted list in do_compact_page mm 4 9d17h 13d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 1 24d 20d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 24d 20d
KCSAN: data-race in xas_create / xas_find (7) fs mm 1 24d 24d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 10d 29d
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 21d 40d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra fs mm 3 13d 42d
KCSAN: data-race in shmem_fallocate / shmem_fault (8) mm 7 9d19h 48d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_clear_mark (5) fs mm 2 33d 48d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 6 6d11h 64d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 13 5d03h 74d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 13 5d01h 75d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 12 5h47m 76d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 12 17d 82d
general protection fault in __mod_memcg_state cgroups mm 1 87d 83d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 9 7d08h 86d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 65d 90d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 20 2d03h 91d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 12 12d 107d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 67 2h53m 133d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 12 28d 141d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 34 3d22h 159d
KCSAN: data-race in getrusage / unmap_region mm 44 2h09m 161d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 51 6d05h 163d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 152 1d14h 249d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 357 2d04h 251d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 320 4d21h 251d
KCSAN: data-race in call_rcu / mtree_range_walk mm 524 17h37m 251d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 409 1d04h 251d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 459 6h51m 284d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 807 6h32m 862d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 788 1d13h 985d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 936 6h52m 1008d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4174 7h06m 1179d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1439 6h36m 1453d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 3904 2d01h 1743d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1433 6h20m 1748d
corrupted report (2) mm 615000 now 2351d