syzbot

 sign-in | mailing list | source | docs
🐞 Open [1579]
≡ Subsystems
🐞 Fixed [6252]
🐞 Invalid [15832]
⬇ Missing Backports [185]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (127):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 5 2h26m 2h25m
WARNING in folio_large_mapcount mm 1 11d 7d18h PATCH [5h21m]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 31 12d 10d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 16d 12d
KCSAN: data-race in copy_fs / free_bprm fs mm 1 17d 17d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 14d 18d 💬 4 [11d]
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 27d 23d
BUG: Bad page state in page_cache_ra_order mm C 4 13d 23d
INFO: task hung in exit_mmap (2) mm C done 6 10d 29d
kernel BUG in __filemap_add_folio mm fs C done 14 7d15h 30d
INFO: task hung in page_cache_ra_order fs mm C done 22 4d07h 32d 💬 1 [31d]
BUG: sleeping function called from invalid context in emon mm 1 49d 45d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 51d 46d
general protection fault in mremap mm C done done 25 50d 49d 💬 8 [10d]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 22d 51d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 3 12d 53d
INFO: rcu detected stall in clone (7) mm 43 15d 59d
KASAN: slab-use-after-free Read in __mm_populate mm 1 69d 65d
UBSAN: shift-out-of-bounds in shmem_undo_range bcachefs mm syz 1 73d 69d
general protection fault in xas_create mm bcachefs syz 2 20d 69d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 79d 74d
WARNING in depot_fetch_stack mm 8 1d00h 80d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 68d 83d 💬 12 [69d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 19d 83d
WARNING in get_dump_page ext4 mm C done error 5 74d 87d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 59d 96d
kernel BUG in shmem_undo_range mm bcachefs syz 1 97d 96d
WARNING in workingset_update_node mm bcachefs syz 1 97d 96d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 79d 99d 💬 2 [99d]
INFO: task hung in rmap_walk_file mm C error 19 8d07h 106d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 93d 107d 💬 2 [98d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 11 3d05h 107d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 75d 109d 💬 2 [99d]
INFO: rcu detected stall in sys_mkdir (9) mm ext4 syz done 2 12d 119d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 18d 140d PATCH [3d21h]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 16 61d 140d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 39d 143d 💬 1 [143d]
possible deadlock in move_pages (2) mm C done 508 131d 153d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 3d20h 154d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 19d 159d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 11d 162d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 53d 165d 💬 25 [62d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 52d 166d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 3d12h 166d 💬 6 [75d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 15d 167d
possible deadlock in balance_pgdat (2) scsi mm C 4 137d 171d 💬 1 [128d]
INFO: rcu detected stall in sys_symlinkat (5) mm tomoyo syz error 56 5d09h 172d
INFO: rcu detected stall in sys_sendmmsg (7) tipc mm 73 1d21h 175d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) mm media syz error unreliable 8 97d 179d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 8d03h 180d 💬 7 [109d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 2d21h 180d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 25 1d05h 180d
BUG: corrupted list in list_lru_add mm syz 6 13d 183d
INFO: rcu detected stall in security_file_ioctl (9) mm 69 1d14h 184d
BUG: Bad page state in iomap_write_begin xfs mm C 220 9h13m 185d 💬 4 [62d]
kernel BUG in resv_map_release (3) mm C 10 1d05h 193d 💬 1 [193d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 93 8d18h 195d
BUG: unable to handle kernel paging request in schedule mm 21 73d 198d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 26d 201d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 110d 202d 💬 2 [108d]
INFO: rcu detected stall in brk (2) mm syz 2 143d 205d 💬 8 [204d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 58d 206d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 69 18d 207d
WARNING in get_taint (2) mm C 363 180d 211d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 30 1d21h 218d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 91d 220d 💬 1 [219d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 40d 221d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 226d 222d 💬 6 [220d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 68 6d05h 225d
KMSAN: uninit-value in swap_writepage mm syz 25 65d 226d 💬 2 [104d]
WARNING in vms_complete_munmap_vmas mm C 2067 now 228d 💬 1 [12d]
WARNING in page_counter_cancel (5) mm C 15 9d07h 232d 💬 1 [231d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 15d 233d
INFO: rcu detected stall in vhci_release mm syz done 12 21d 238d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 32d 243d 💬 4 [243d]
INFO: rcu detected stall in shmem_fault (6) mm C 108 8d12h 247d PATCH [229d]
BUG: corrupted list in do_compact_page mm syz 46 59d 248d 💬 1 [233d]
INFO: rcu detected stall in sys_execve (6) mm syz done 48 22h43m 249d
INFO: rcu detected stall in x64_sys_call mm syz error 270 3h25m 257d
BUG: corrupted list in add_to_unbuddied mm syz 43 64d 258d 💬 4 [218d]
KMSAN: uninit-value in sw842_compress mm C 65 31d 258d 💬 3 [191d]
INFO: task hung in hugetlb_fault mm C done 65 6d18h 259d 💬 2 [224d]
kernel BUG in z3fold_page_migrate mm syz 354 57d 263d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 27d 265d 💬 1 [77d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 59d 274d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 90d 281d
INFO: rcu detected stall in kcov_close mm 112 8h29m 285d
kernel panic: System is deadlocked on memory (2) mm 34 2d06h 285d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 19d 286d PATCH [229d]
INFO: task hung in filemap_fault (6) mm 192 30d 319d
WARNING: locking bug in __schedule mm 1943 61d 350d 💬 1 [77d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 135d 357d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 299d 362d
WARNING in shmem_evict_inode (3) mm 35 14d 365d
INFO: rcu detected stall in sys_sendto (7) mm net C error 267 5d02h 368d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 34d 372d
BUG: Bad rss-counter state (5) bcachefs mm C done 2360 3d23h 376d 💬 3 [12d]
INFO: rcu detected stall in validate_mm (3) mm C error 34 14d 377d 💬 5 [319d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2137 2h11m 398d 💬 1 [12d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 309d 416d 💬 2 [295d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 262 1d10h 422d 💬 10 [30d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 51d 441d 💬 3 [295d]
WARNING in kunmap_local_indexed mm C 1601 1d06h 453d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 8d23h 459d
BUG: soft lockup in pipe_read fs mm syz 5 108d 486d
INFO: task hung in _vm_unmap_aliases (3) mm C 534 48m 501d
INFO: rcu detected stall in dput (8) mm C done 353 20h57m 510d
INFO: rcu detected stall in sys_socket (10) mm C done 118 13d 541d 💬 6 [537d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 276d 558d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 19d 561d 💬 1 [74d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3580 1h40m 595d PATCH [588d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 317d 598d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 51d 608d PATCH [324d]
kernel BUG in filemap_unaccount_folio mm C done error 374 1h38m 626d 💬 4 [171d]
INFO: rcu detected stall in sys_openat (3) mm C error 404 7h49m 629d
INFO: rcu detected stall in sys_unlink (3) mm C error 183 6d06h 650d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 187d 761d 💬 21 [201d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 543 5h21m 761d 💬 6 [12d]
possible deadlock in filemap_fault mm block C done 2788 1d16h 933d 💬 4 [12d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 416 6h39m 943d 💬 1 [284d]
memory leak in xas_create mm C 15 521d 1050d 💬 9 [557d]
WARNING in ext4_dirty_folio mm C inconclusive done 25815 6d03h 1155d 💬 2 [12d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 701d 1202d 💬 3 [688d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 662 2d14h 1723d 💬 7 [12d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1377d 1730d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 94d 1747d 💬 2 [1088d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1047d 1944d 💬 2 [1838d]
moderation (56):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 1 5h22m 5h22m
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 1 2d19h 2d19h
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 3d21h 3d21h
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last mm 4 3d00h 11d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 13d 13d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 14d 14d
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 21d 17d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 2 10d 20d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 20d 24d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 5 6d19h 25d
general protection fault in lru_gen_test_recent mm 2 14d 25d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 14 3h38m 27d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 31 2d20h 29d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 34 6h52m 29d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 35d 35d
possible deadlock in page_cache_ra_unbounded (2) mm fs 2 2d02h 37d
kernel BUG in folio_clear_dirty_for_io fs mm 2 43d 39d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 3 18h28m 40d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 40d 40d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 41d 41d
general protection fault in workingset_refault (2) mm 1 50d 46d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 3d19h 53d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 11 1d03h 54d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 9 5d13h 57d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 55d 60d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 16d 61d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 4 13d 65d
general protection fault in refill_obj_stock mm cgroups 4 9d02h 68d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 79d 75d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 34 2h58m 109d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 20d 118d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) mm fs 5 36d 152d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 51 22h19m 183d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 231 2h07m 185d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 55 7d00h 186d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 403 8h30m 187d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 43 7h30m 219d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 34 7d14h 223d
KCSAN: data-race in getrusage / vms_clear_ptes mm 127 4h11m 243d 💬 1 [70d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 101 14h23m 323d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 90 7d11h 324d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 76 19h51m 325d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 453 5h24m 382d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 10d 408d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 121 18h52m 412d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 30d 498d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 31d 500d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 30d 501d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 30d 501d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1405 8h30m 533d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 883 3h01m 1234d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1325 5h31m 1257d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4615 8h58m 1428d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1521 8d07h 1702d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4070 11d 1992d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1974 8h11m 1997d