syzbot

 sign-in | mailing list | source | docs
🐞 Open [1238]
≡ Subsystems
🐞 Fixed [5697]
🐞 Invalid [13869]
⬇ Missing Backports [98]
Kernel Health Bugs/Month Bug Lifetimes Fuzzing Crashes
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (79):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in kjournald2 (2) mm C error 12 1d10h 20h32m
KCSAN: data-race in __delete_from_swap_cache / __try_to_reclaim_swap mm 1 1d22h 1d20h
KASAN: out-of-bounds Read in copy_from_kernel_nofault mm C done 589 1h19m 3d14h 💬 1 [2d04h]
KCSAN: data-race in exec_mmap / vms_clear_ptes mm 2 4d04h 3d20h 💬 1 [3d10h]
INFO: rcu detected stall in vhci_release mm bluetooth syz 4 2d22h 5d15h
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 6d05h 6d05h
kernel BUG in page_table_check_clear (2) mm C 4 7d06h 7d22h 💬 1 [7d07h]
INFO: task hung in bch2_read_iter bcachefs mm 103 2d15h 10d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 11 8h58m 10d 💬 4 [10d]
INFO: rcu detected stall in shmem_fault (6) mm 35 8h21m 14d
KASAN: slab-use-after-free Read in shrinker_free mm C 11 4d22h 15d 💬 2 [15d]
BUG: corrupted list in do_compact_page mm syz 10 12h48m 15d 💬 1 [16h12m]
INFO: rcu detected stall in sys_execve (6) mm syz done 11 11d 16d
possible deadlock in refill_stock mm cgroups 1 23d 19d
INFO: rcu detected stall in x64_sys_call mm syz 57 7h46m 24d
BUG: corrupted list in add_to_unbuddied mm 19 6h06m 25d
possible deadlock in obj_cgroup_charge mm cgroups 4 20d 26d
INFO: task hung in hugetlb_fault mm 60 12d 26d
kernel BUG in z3fold_page_migrate mm syz 56 1d17h 30d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 2672 now 32d
KMSAN: uninit-value in zswap_store (2) mm 1 37d 33d 💬 1 [30d]
possible deadlock in lock_mm_and_find_vma (2) mm C 1854 32m 33d 💬 1 [3h54m]
BUG: unable to handle kernel paging request in mmap_region mm 381 36d 37d 💬 1 [37d]
general protection fault in ksm_do_scan mm 8 3d08h 37d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 7 27d 41d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 58d 41d
WARNING in zswap_swapoff mm 23 37d 48d 💬 18 [30d]
INFO: task hung in hugetlb_wp mm 91 22h35m 48d
INFO: rcu detected stall in kcov_close mm 46 1d02h 52d
kernel panic: System is deadlocked on memory (2) mm 14 17d 52d
INFO: rcu detected stall in vm_mmap_pgoff mm 46 2d02h 53d
INFO: rcu detected stall in kcov_ioctl (2) mm 50 1d15h 66d 💬 2 [65d]
possible deadlock in try_charge_memcg cgroups mm 1 78d 74d
BUG: Bad page map (8) mm C done 4 4d16h 77d 💬 10 [3d13h]
kernel BUG in resv_map_release (2) mm 1 86d 82d
general protection fault in khugepaged (3) mm 10 18d 82d
BUG: soft lockup in call_timer_fn net mm 19 65d 108d
WARNING in __page_table_check_ptes_set (2) mm C done 109 4d16h 113d 💬 4 [3d13h]
WARNING: locking bug in __schedule mm 295 2h39m 117d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 42d 124d
INFO: rcu detected stall in kcompactd (2) mm C error 4 20d 125d 💬 2 [124d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error done 3 33d 127d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 66d 130d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 106 17d 130d
WARNING in shmem_evict_inode (3) mm 19 32d 132d
INFO: rcu detected stall in sys_sendto (7) mm C error 43 1h57m 135d
INFO: task hung in __lru_add_drain_all (2) mm 262 13d 139d
INFO: rcu detected stall in validate_mm (3) mm C error 27 7d16h 144d 💬 5 [86d]
general protection fault in __pte_offset_map_lock mm C done 68 9d12h 151d
possible deadlock in gup_fast_fallback mm C done 689 43m 166d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 160d 174d 💬 6 [168d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 76d 183d 💬 2 [62d]
INFO: rcu detected stall in sys_clone (8) mm C error 70 1h50m 189d 💬 10 [19d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 2 12d 208d 💬 3 [62d]
WARNING in kunmap_local_indexed mm C 1380 73d 220d
INFO: rcu detected stall in sys_syslog (2) mm bpf syz error 13 7d15h 226d
BUG: soft lockup in pipe_read fs mm syz 4 113d 253d
INFO: task hung in _vm_unmap_aliases (3) mm C 461 9h22m 268d
INFO: rcu detected stall in dput (8) mm C done 158 3d08h 277d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 34d 294d
INFO: rcu detected stall in sys_socket (10) mm C done 34 17h29m 308d 💬 6 [304d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 43d 325d
INFO: rcu detected stall in worker_thread (9) mm C done 2200 6h06m 362d PATCH [355d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 84d 365d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10299 1d10h 375d PATCH [91d]
kernel BUG in filemap_unaccount_folio mm C done done 39 82d 393d 💬 3 [51d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 105 17h26m 396d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 58 1d19h 417d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 748 4d10h 528d 💬 20 [13d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 289 7d04h 528d 💬 6 [18h46m]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 67 5d15h 652d
possible deadlock in filemap_fault mm C done 1582 18m 700d 💬 3 [18h46m]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 65 2h05m 710d 💬 1 [51d]
memory leak in xas_create mm C 15 288d 817d 💬 9 [324d]
WARNING in ext4_dirty_folio mm C inconclusive done 25797 3d11h 922d 💬 1 [18h46m]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 468d 969d 💬 3 [455d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 562 24m 1490d 💬 7 [18h46m]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1144d 1497d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 814d 1711d 💬 2 [1605d]
moderation (43):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: task hung in bchfs_fallocate fs mm 91 5d04h 3d08h
BUG: stack guard page was hit in compat_sys_sendfile mm 1 5d09h 3d14h
INFO: task hung in writeback_iter fs mm 118 2d05h 3d18h
general protection fault in validate_mm mm 1 9d19h 5d18h
KCSAN: data-race in __xa_set_mark / filemap_fdatawrite_wbc fs mm 1 7d15h 7d15h
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (6) fs mm 1 10d 10d
KCSAN: data-race in getrusage / vms_clear_ptes mm 2 5d23h 11d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch (3) mm 1 12d 12d
KCSAN: data-race in exec_mmap / unmap_region (7) mm 1 15d 15d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 1 16d 16d
KCSAN: data-race in read_pages / read_pages (3) fs mm 1 23d 23d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 2 14d 36d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 40d 37d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 26d 45d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (8) fs mm 4 15d 56d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra fs mm 3 29d 58d
KCSAN: data-race in shmem_fallocate / shmem_fault (8) mm 7 25d 64d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 7 7d15h 80d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 15 8h02m 90d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 16 7d12h 91d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 15 1d04h 92d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 15 1d01h 98d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 12 3d12h 102d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 81d 106d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 20 18d 107d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 14 3d16h 123d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 83 22h27m 149d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 35 4d21h 175d
KCSAN: data-race in getrusage / unmap_region mm 45 13d 177d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 56 1d05h 179d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 155 7d03h 265d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 366 2d09h 267d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 321 15d 267d
KCSAN: data-race in call_rcu / mtree_range_walk mm 552 1h48m 268d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 421 1d11h 268d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 512 10h09m 300d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 840 9h36m 878d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 794 3h08m 1001d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 955 10h45m 1024d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4205 11h23m 1195d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1440 14d 1469d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3924 1d01h 1759d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 1474 10h01m 1764d