syzbot

 sign-in | mailing list | source | docs
🐞 Open [1223]
≡ Subsystems
🐞 Fixed [5620]
🐞 Invalid [13548]
⬇ 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 (72):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in x64_sys_call mm 36 2h06m 2d05h
BUG: corrupted list in add_to_unbuddied mm 5 3d04h 3d04h
KASAN: slab-use-after-free Read in hugetlb_fault (2) mm 1 8d00h 3d08h 💬 3 [1d07h]
possible deadlock in obj_cgroup_charge cgroups mm 2 6d07h 4d13h
INFO: task hung in hugetlb_fault mm 55 2h49m 4d20h
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (7) mm 10 23d 5d15h
kernel BUG in z3fold_page_migrate mm 28 1h32m 8d02h
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 1727 25m 10d
KMSAN: uninit-value in zswap_store (2) mm 1 15d 11d 💬 1 [8d08h]
KMSAN: uninit-value in lzo1x_1_do_compress (3) mm 1 17d 13d PATCH [7d10h]
BUG: unable to handle kernel paging request in mmap_region mm 381 14d 15d 💬 1 [15d]
general protection fault in ksm_do_scan mm 6 14d 15d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 7 5d01h 19d
KASAN: slab-use-after-free Read in __list_lru_walk_one mm 3 36d 19d
KCSAN: data-race in __reset_isolation_suitable / compact_zone (2) mm 1 21d 21d
WARNING in zswap_swapoff mm 23 15d 26d 💬 18 [8d06h]
INFO: task hung in hugetlb_wp mm 84 10h24m 26d
kernel BUG in swap_cgroup_record cgroups mm syz done 10 25d 26d 💬 1 [26d]
INFO: rcu detected stall in kcov_close mm 35 11d 30d
kernel panic: System is deadlocked on memory (2) mm 13 16d 30d
INFO: rcu detected stall in vm_mmap_pgoff mm 40 1d11h 31d
INFO: rcu detected stall in kcov_ioctl (2) mm 46 9d21h 44d 💬 2 [43d]
KCSAN: data-race in compact_zone / isolate_migratepages_block (4) mm 5 27d 45d
possible deadlock in try_charge_memcg cgroups mm 1 56d 52d
possible deadlock in mmap_read_lock mm 1 58d 54d 💬 1 [54d]
BUG: Bad page map (8) mm C 1 59d 55d 💬 9 [50d]
kernel BUG in resv_map_release (2) mm 1 64d 60d
general protection fault in khugepaged (3) mm 8 3d13h 60d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (3) mm 5 31d 79d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (2) mm 4 19d 82d 💬 3 [79d]
BUG: soft lockup in call_timer_fn net mm 19 43d 86d
WARNING in __page_table_check_ptes_set (2) mm 107 9d03h 91d 💬 4 [91d]
WARNING: locking bug in __schedule mm 102 36m 95d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 20d 102d
INFO: rcu detected stall in kcompactd (2) mm C error 4 28d 102d 💬 2 [102d]
INFO: rcu detected stall in ext4_release_file (2) ext4 mm C error 3 11d 104d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 44d 107d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 103 17d 108d
WARNING in shmem_evict_inode (3) mm 19 10d 110d
INFO: rcu detected stall in sys_sendto (7) mm C error 29 25d 113d
INFO: task hung in __lru_add_drain_all (2) mm 256 1d07h 117d
BUG: Bad rss-counter state (5) mm C done 790 1d04h 121d 💬 3 [40d]
INFO: rcu detected stall in validate_mm (3) mm C error 27 18d 122d 💬 5 [64d]
general protection fault in __pte_offset_map_lock mm C done 68 19d 129d
WARNING: locking bug in find_lock_lowest_rq ext4 mm C error 24 5d02h 140d 💬 2 [105d]
possible deadlock in gup_fast_fallback mm C done 503 3h07m 143d
KMSAN: kernel-infoleak in bpf_probe_write_user mm C 3 138d 152d 💬 6 [146d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 54d 161d 💬 2 [40d]
memory leak in corrupted (2) mm exfat syz 432 12d 163d
INFO: rcu detected stall in sys_clone (8) bpf mm C error 49 4h31m 167d 💬 10 [70d]
BUG: soft lockup in do_sock_setsockopt tipc mm C 17 22d 173d 💬 1 [172d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 2 20d 186d 💬 3 [40d]
WARNING in kunmap_local_indexed mm C 1380 51d 198d
BUG: soft lockup in pipe_read fs mm syz 4 91d 231d
INFO: task hung in _vm_unmap_aliases (3) mm C 456 5d15h 246d
INFO: rcu detected stall in dput (8) mm C done 150 7h54m 255d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error 3 12d 272d
INFO: rcu detected stall in sys_socket (10) net apparmor mm C done 26 18d 286d 💬 6 [282d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 20d 303d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 62d 343d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10279 2d05h 353d PATCH [69d]
kernel BUG in filemap_unaccount_folio mm C done done 39 60d 371d 💬 3 [29d]
INFO: rcu detected stall in sys_openat (3) mm kernfs C error 87 1d13h 374d
INFO: rcu detected stall in sys_unlink (3) mm fs C error 43 14d 395d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 743 6d02h 506d 💬 14 [3d14h]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 282 1d04h 506d 💬 6 [9d18h]
possible deadlock in filemap_fault mm C done 1489 1h42m 678d 💬 3 [9d18h]
memory leak in xas_create mm C 15 266d 795d 💬 9 [301d]
WARNING in ext4_dirty_folio mm C inconclusive done 25795 12d 900d 💬 1 [9d18h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 446d 947d 💬 3 [433d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1122d 1475d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 792d 1689d 💬 2 [1583d]
moderation (44):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in read_pages / read_pages (3) fs mm 1 1d15h 1d15h
BUG: corrupted list in do_compact_page mm 4 3d18h 7d03h
KASAN: slab-use-after-free Read in folio_evictable (3) mm 1 18d 14d
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 2 18d 14d
KCSAN: data-race in xas_create / xas_find (7) fs mm 1 18d 18d
KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write (5) fs mm 4 4d17h 23d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add mm 1 23d 23d
BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (3) mm 1 28d 24d
KCSAN: data-race in page_cache_sync_ra / read_pages fs mm 1 30d 30d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (8) fs mm 3 15d 34d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (5) fs mm 1 34d 34d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra fs mm 3 7d19h 36d
KCSAN: data-race in shmem_fallocate / shmem_fault (8) mm 7 3d20h 42d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_clear_mark (5) fs mm 2 27d 42d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 6 12h29m 58d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 12 10d 68d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 12 6d10h 69d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 11 15d 70d
KCSAN: data-race in generic_fillattr / shmem_symlink (3) mm 12 11d 76d
general protection fault in __mod_memcg_state cgroups mm 1 81d 77d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 9 1d09h 80d
BUG: unable to handle kernel NULL pointer dereference in folio_mark_dirty (2) fs mm 7 59d 84d
KCSAN: data-race in folios_put_refs / need_mlock_drain mm 19 23h59m 85d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (4) mm 8 29d 99d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 12 6d20h 101d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 57 21h02m 127d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (3) mm 12 22d 135d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 33 5d09h 153d
KCSAN: data-race in getrusage / unmap_region mm 42 14d 155d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 51 6h11m 157d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 151 2d14h 243d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 353 12h04m 245d
KCSAN: data-race in mas_wr_modify / mtree_range_walk mm 319 1d04h 245d
KCSAN: data-race in call_rcu / mtree_range_walk mm 514 15h07m 245d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 405 17h20m 246d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 441 6h46m 278d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 791 5h39m 856d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 785 1d06h 979d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 924 1d04h 1002d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4163 6h18m 1173d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1436 6h10m 1447d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 3900 22h35m 1737d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1419 6h10m 1742d
corrupted report (2) mm 608438 now 2345d