syzbot

 sign-in | mailing list | source | docs
🐞 Open [1235]
≡ Subsystems
🐞 Fixed [5695]
🐞 Invalid [13857]
⬇ 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 (79):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in kjournald2 (2) mm C error 12 20h09m 6h16m
KCSAN: data-race in __delete_from_swap_cache / __try_to_reclaim_swap mm 1 1d07h 1d06h
KASAN: out-of-bounds Read in copy_from_kernel_nofault mm C done 444 11h51m 2d23h 💬 1 [1d14h]
KCSAN: data-race in exec_mmap / vms_clear_ptes mm 2 3d14h 3d05h 💬 1 [2d19h]
INFO: rcu detected stall in vhci_release mm bluetooth syz 4 2d08h 5d01h
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 5d14h 5d14h
kernel BUG in page_table_check_clear (2) mm C 4 6d15h 7d08h 💬 1 [6d16h]
INFO: task hung in bch2_read_iter bcachefs mm 103 2d01h 9d17h
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 10 5h39m 10d 💬 4 [9d23h]
INFO: rcu detected stall in shmem_fault (6) mm 34 15h58m 13d
KASAN: slab-use-after-free Read in shrinker_free mm C 11 4d08h 14d 💬 2 [14d]
BUG: corrupted list in do_compact_page mm syz 9 8h10m 15d 💬 1 [1h56m]
INFO: rcu detected stall in sys_execve (6) mm syz done 11 10d 16d
possible deadlock in refill_stock mm cgroups 1 23d 19d
INFO: rcu detected stall in x64_sys_call mm syz 56 1d09h 23d
BUG: corrupted list in add_to_unbuddied mm 18 2d15h 24d
possible deadlock in obj_cgroup_charge mm cgroups 4 20d 26d
INFO: task hung in hugetlb_fault mm 60 11d 26d
kernel BUG in z3fold_page_migrate mm syz 56 1d03h 29d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 2641 now 31d
KMSAN: uninit-value in zswap_store (2) mm 1 36d 32d 💬 1 [29d]
possible deadlock in lock_mm_and_find_vma (2) mm 1703 7m 33d 💬 1 [8d00h]
BUG: unable to handle kernel paging request in mmap_region mm 381 36d 36d 💬 1 [36d]
general protection fault in ksm_do_scan mm 8 2d17h 37d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 7 26d 40d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 57d 40d
WARNING in zswap_swapoff mm 23 36d 47d 💬 18 [29d]
INFO: task hung in hugetlb_wp mm 91 8h19m 48d
INFO: rcu detected stall in kcov_close mm 46 11h50m 52d
kernel panic: System is deadlocked on memory (2) mm 14 16d 52d
INFO: rcu detected stall in vm_mmap_pgoff mm 46 1d11h 53d
INFO: rcu detected stall in kcov_ioctl (2) mm 50 1d00h 65d 💬 2 [64d]
possible deadlock in try_charge_memcg cgroups mm 1 78d 74d
BUG: Bad page map (8) mm C done 4 4d02h 76d 💬 10 [2d23h]
kernel BUG in resv_map_release (2) mm 1 85d 81d
general protection fault in khugepaged (3) mm 10 17d 82d
BUG: soft lockup in call_timer_fn net mm 19 65d 107d
WARNING in __page_table_check_ptes_set (2) mm C done 109 4d01h 112d 💬 4 [2d22h]
WARNING: locking bug in __schedule mm 287 9h06m 116d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 41d 124d
INFO: rcu detected stall in kcompactd (2) mm C error 4 19d 124d 💬 2 [124d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error done 3 33d 126d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 66d 129d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 106 17d 129d
WARNING in shmem_evict_inode (3) mm 19 32d 131d
INFO: rcu detected stall in sys_sendto (7) mm C error 38 1d12h 134d
INFO: task hung in __lru_add_drain_all (2) mm 262 12d 138d
INFO: rcu detected stall in validate_mm (3) mm C error 27 7d02h 144d 💬 5 [86d]
general protection fault in __pte_offset_map_lock mm C done 68 8d21h 150d
possible deadlock in gup_fast_fallback mm C done 681 1h25m 165d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 159d 173d 💬 6 [168d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 75d 182d 💬 2 [61d]
INFO: rcu detected stall in sys_clone (8) mm C error 69 11h41m 188d 💬 10 [19d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 2 11d 207d 💬 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 7d00h 225d
BUG: soft lockup in pipe_read fs mm syz 4 112d 252d
INFO: task hung in _vm_unmap_aliases (3) mm C 460 3d23h 267d
INFO: rcu detected stall in dput (8) mm C done 158 2d17h 276d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 33d 293d
INFO: rcu detected stall in sys_socket (10) mm C done 34 3h13m 307d 💬 6 [303d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 42d 324d
INFO: rcu detected stall in worker_thread (9) mm C done 2196 49m 361d PATCH [355d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 84d 364d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10299 19h55m 375d PATCH [90d]
kernel BUG in filemap_unaccount_folio mm C done done 39 82d 392d 💬 3 [50d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 105 3h10m 396d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 58 1d04h 416d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 748 3d20h 528d 💬 20 [12d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 289 6d14h 528d 💬 6 [4h30m]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 67 5d00h 652d
possible deadlock in filemap_fault mm C done 1579 6h49m 699d 💬 3 [4h30m]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 63 1d08h 709d 💬 1 [51d]
memory leak in xas_create mm C 15 287d 817d 💬 9 [323d]
WARNING in ext4_dirty_folio mm C inconclusive done 25797 2d21h 921d 💬 1 [4h30m]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 467d 969d 💬 3 [454d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 559 1d03h 1489d 💬 7 [4h30m]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1143d 1496d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 813d 1711d 💬 2 [1605d]
moderation (43):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: task hung in bchfs_fallocate fs mm 91 4d14h 2d18h
BUG: stack guard page was hit in compat_sys_sendfile mm 1 4d19h 2d23h
INFO: task hung in writeback_iter fs mm 118 1d15h 3d04h
general protection fault in validate_mm mm 1 9d04h 5d04h
KCSAN: data-race in __xa_set_mark / filemap_fdatawrite_wbc fs mm 1 7d00h 7d00h
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (6) fs mm 1 9d12h 9d12h
KCSAN: data-race in getrusage / vms_clear_ptes mm 2 5d09h 10d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch (3) mm 1 11d 11d
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 15d 15d
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 35d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 39d 36d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 26d 44d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (8) fs mm 4 14d 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 63d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 7 7d01h 80d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 14 6h58m 89d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 16 6d22h 90d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 15 14h02m 92d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 15 11h09m 98d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 12 2d22h 101d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 80d 106d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 20 17d 107d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 14 3d02h 122d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 83 8h11m 149d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 35 4d06h 175d
KCSAN: data-race in getrusage / unmap_region mm 45 12d 177d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 56 15h38m 178d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 155 6d13h 265d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 366 1d18h 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 551 6h00m 267d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 421 21h39m 267d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 510 9h03m 299d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 839 8h59m 877d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 793 3d18h 1000d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 954 1d23h 1023d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4204 9h42m 1194d
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 10h54m 1758d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 1472 9h01m 1764d