syzbot

 sign-in | mailing list | source | docs
🐞 Open [1260]
≡ Subsystems
🐞 Fixed [5698]
🐞 Invalid [13891]
⬇ Missing Backports [96]
Kernel Health Bugs/Month Bug Lifetimes Fuzzing Crashes
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (80):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in kswapd (3) mm usb C 1 4d15h 15h04m
WARNING in page_counter_cancel (5) mm C 5 8h11m 2d20h 💬 1 [1d18h]
INFO: rcu detected stall in kjournald2 (2) mm C error 13 14h57m 4d04h
KCSAN: data-race in __delete_from_swap_cache / __try_to_reclaim_swap mm 1 5d05h 5d04h PATCH [now]
KASAN: out-of-bounds Read in copy_from_kernel_nofault mm C done 1164 now 6d21h PATCH [1d18h]
KCSAN: data-race in exec_mmap / vms_clear_ptes mm 2 7d12h 7d03h 💬 1 [6d17h]
INFO: rcu detected stall in vhci_release mm bluetooth syz 4 6d06h 8d23h
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 9d12h 9d12h
kernel BUG in page_table_check_clear (2) mm C 5 1d22h 11d 💬 1 [10d]
INFO: task hung in bch2_read_iter bcachefs mm 103 5d23h 13d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 12 2d11h 14d 💬 4 [13d]
INFO: rcu detected stall in shmem_fault (6) mm 36 1h20m 17d PATCH [now]
KASAN: slab-use-after-free Read in shrinker_free mm C 15 12h15m 18d 💬 2 [18d]
BUG: corrupted list in do_compact_page mm syz 11 1d07h 18d 💬 1 [3d23h]
INFO: rcu detected stall in sys_execve (6) mm syz done 11 14d 19d
possible deadlock in refill_stock mm cgroups 1 27d 23d
INFO: rcu detected stall in x64_sys_call mm syz 65 10h05m 27d
BUG: corrupted list in add_to_unbuddied mm 22 2d13h 28d
possible deadlock in obj_cgroup_charge mm cgroups 4 24d 29d
INFO: task hung in hugetlb_fault mm 60 15d 30d
kernel BUG in z3fold_page_migrate mm syz 90 1d21h 33d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 2848 48m 35d
KMSAN: uninit-value in zswap_store (2) mm 1 40d 36d 💬 1 [33d]
possible deadlock in lock_mm_and_find_vma (2) mm C 2483 15m 37d 💬 1 [3d11h]
BUG: unable to handle kernel paging request in mmap_region mm 381 40d 40d 💬 1 [40d]
general protection fault in ksm_do_scan mm 8 6d15h 41d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 8 1d05h 44d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 61d 44d
INFO: task hung in hugetlb_wp mm 91 4d06h 52d
INFO: rcu detected stall in kcov_close mm 49 2h33m 55d
kernel panic: System is deadlocked on memory (2) mm 14 20d 56d
INFO: rcu detected stall in vm_mmap_pgoff mm 47 2h16m 57d PATCH [now]
INFO: rcu detected stall in kcov_ioctl (2) mm 52 1d22h 69d 💬 2 [68d]
possible deadlock in try_charge_memcg cgroups mm 1 81d 77d
BUG: Bad page map (8) mm C done 5 16h50m 80d 💬 10 [6d21h]
kernel BUG in resv_map_release (2) mm 1 89d 85d
general protection fault in khugepaged (3) mm 11 2d13h 85d
BUG: soft lockup in call_timer_fn mm net 19 69d 111d
WARNING in __page_table_check_ptes_set (2) mm C done 109 7d23h 116d 💬 4 [6d21h]
WARNING: locking bug in __schedule mm 343 2h46m 120d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 45d 128d
INFO: rcu detected stall in kcompactd (2) mm C error 4 23d 128d 💬 2 [128d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error done 3 37d 130d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 70d 133d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 108 1d16h 133d
WARNING in shmem_evict_inode (3) mm 19 36d 135d
INFO: rcu detected stall in sys_sendto (7) mm C error 49 3h58m 138d
INFO: task hung in __lru_add_drain_all (2) mm 262 16d 142d
INFO: rcu detected stall in validate_mm (3) mm C error 28 2d04h 148d 💬 5 [90d]
general protection fault in __pte_offset_map_lock mm C done 68 12d 154d
possible deadlock in gup_fast_fallback mm C done 716 6h37m 169d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 163d 177d 💬 6 [172d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 79d 186d 💬 2 [65d]
INFO: rcu detected stall in sys_clone (8) mm C error 73 2h25m 192d 💬 10 [22d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 3 2d07h 211d 💬 3 [66d]
WARNING in kunmap_local_indexed mm C 1380 77d 223d
INFO: rcu detected stall in sys_syslog (2) mm bpf syz error 15 10h28m 229d
BUG: soft lockup in pipe_read fs mm syz 4 116d 256d
INFO: task hung in _vm_unmap_aliases (3) mm C 464 3h27m 271d
INFO: rcu detected stall in dput (8) mm C done 164 3h59m 280d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 2d22h 297d
INFO: rcu detected stall in sys_socket (10) mm C done 37 3h56m 311d 💬 6 [307d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 46d 328d
INFO: rcu detected stall in worker_thread (9) mm C done 2249 1h32m 365d PATCH [359d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 88d 368d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10300 3d00h 379d PATCH [94d]
kernel BUG in filemap_unaccount_folio mm C done done 39 86d 396d 💬 3 [54d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 116 3h42m 400d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 66 7m 420d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 749 3d00h 532d 💬 20 [16d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 289 10d 532d 💬 6 [4d02h]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 67 8d22h 656d
possible deadlock in filemap_fault mm C done 1613 52m 703d 💬 3 [4d02h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 76 2h12m 713d 💬 1 [54d]
memory leak in xas_create mm C 15 291d 821d 💬 9 [327d]
WARNING in ext4_dirty_folio mm C inconclusive done 25797 6d19h 925d 💬 1 [4d02h]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 471d 973d 💬 3 [458d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 571 1h28m 1493d 💬 7 [4d02h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1147d 1500d
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 817d 1715d 💬 2 [1609d]
moderation (45):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __wb_writeout_add / writeout_period (5) fs mm 1 2d11h 2d11h
KCSAN: data-race in xas_create / xas_find (8) fs mm 1 2d11h 2d11h
INFO: task hung in bchfs_fallocate fs mm 91 8d12h 6d16h
BUG: stack guard page was hit in compat_sys_sendfile mm 1 8d17h 6d21h
INFO: task hung in writeback_iter fs mm 118 5d13h 7d02h
general protection fault in validate_mm mm 1 13d 9d02h
KCSAN: data-race in __xa_set_mark / filemap_fdatawrite_wbc fs mm 1 10d 10d
KCSAN: data-race in __filemap_add_folio / file_write_and_wait_range (6) fs mm 1 13d 13d
KCSAN: data-race in getrusage / vms_clear_ptes mm 2 9d07h 14d
KCSAN: data-race in __filemap_remove_folio / migrate_pages_batch (3) mm 1 15d 15d
KCSAN: data-race in exec_mmap / unmap_region (7) mm 1 19d 19d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 1 19d 19d
KCSAN: data-race in read_pages / read_pages (3) fs mm 1 27d 27d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 2 18d 39d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 43d 40d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 30d 48d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (8) mm fs 4 18d 60d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra fs mm 3 33d 62d
KCSAN: data-race in shmem_fallocate / shmem_fault (8) mm 7 29d 67d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 7 10d 84d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 16 2h51m 93d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 17 3d03h 94d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 15 4d12h 96d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 15 4d09h 102d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 13 23h48m 105d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) mm fs 7 84d 110d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 20 21d 110d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 14 7d00h 126d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 86 46m 153d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 37 17h22m 179d
KCSAN: data-race in getrusage / unmap_region mm 45 16d 181d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 57 22h52m 182d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 157 20h40m 268d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 368 6h58m 271d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 321 19d 271d
KCSAN: data-race in call_rcu / mtree_range_walk mm 559 4h05m 271d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 423 11h50m 271d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 522 9h34m 303d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 845 20h25m 881d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 796 2d01h 1004d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 960 10h20m 1027d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4212 10h33m 1198d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1443 22h57m 1473d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 3928 10h14m 1762d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 1481 46m 1768d