syzbot

 sign-in | mailing list | source | docs
🐞 Open [1548]
≡ Subsystems
🐞 Fixed [6203]
🐞 Invalid [15565]
⬇ Missing Backports [180]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (137):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in move_to_new_folio mm C done 13 5d02h 7d18h PATCH [3d09h]
BUG: sleeping function called from invalid context in emon mm 1 14d 10d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 16d 12d
general protection fault in mremap mm C done 25 16d 14d 💬 8 [6d03h]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 2 17d 17d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 2 5d02h 19d
BUG: sleeping function called from invalid context in folio_mc_copy mm fs C done 4207 now 24d PATCH [2d16h]
INFO: rcu detected stall in clone (7) mm 35 2d03h 24d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 26d 25d 💬 1 [25d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 34d 30d
UBSAN: shift-out-of-bounds in shmem_undo_range mm bcachefs syz 1 39d 35d
general protection fault in xas_create bcachefs mm syz 1 39d 35d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 44d 40d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (8) fs mm 2 36d 41d PATCH [41d]
WARNING in depot_fetch_stack mm 4 38d 46d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 33d 49d 💬 12 [35d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 1 49d 49d
kernel BUG in try_to_unmap_one mm 1 53d 49d 💬 3 [48d]
WARNING in get_dump_page ext4 mm C done error 5 39d 53d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 24d 62d
kernel BUG in shmem_undo_range mm bcachefs syz 1 63d 62d
WARNING in workingset_update_node mm bcachefs syz 1 63d 62d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 44d 64d 💬 2 [64d]
KASAN: slab-use-after-free Read in folio_lock_anon_vma_read mm 1 72d 67d 💬 2 [30d]
KASAN: slab-use-after-free Write in folio_get_anon_vma mm 1 75d 71d
INFO: task hung in rmap_walk_file mm C error 19 4d07h 72d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 59d 73d 💬 2 [64d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 8 14d 73d
UBSAN: shift-out-of-bounds in shmem_add_to_page_cache mm bcachefs syz 1 76d 75d 💬 3 [64d]
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 41d 75d 💬 2 [64d]
WARNING: ODEBUG bug in free_unref_page mm 1 88d 83d
BUG: stack guard page was hit in sys_openat mm v9fs C done done 6 89d 86d 💬 1 [58d]
KASAN: use-after-free Read in ptdump_pte_entry mm 2 75d 90d
BUG: stack guard page was hit in loop_process_work mm v9fs 2 94d 90d
WARNING: locking bug in run_posix_cpu_timers mm 1 95d 91d
INFO: rcu detected stall in netlink_release (5) net mm syz error inconclusive 2 89d 93d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 86 9d12h 106d PATCH [90d]
INFO: rcu detected stall in task_numa_work (2) mm bpf C error 16 27d 106d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 5d13h 109d 💬 1 [109d]
possible deadlock in move_pages (2) mm C done 508 97d 119d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 19d 120d
INFO: rcu detected stall in sys_mkdirat (2) mm 41 64d 124d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 19d 130d 💬 25 [27d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 18d 132d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 9d18h 132d 💬 6 [41d]
INFO: rcu detected stall in sys_umount (3) mm syz done 35 20d 133d
WARNING: locking bug in on mm 4 86d 133d
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 3 92d 134d
possible deadlock in balance_pgdat (2) scsi mm C 4 103d 136d 💬 1 [94d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 51 1d03h 137d
BUG: stack guard page was hit in sys_sendfile64 mm C 7 94d 138d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 63d 144d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 23 3d10h 145d 💬 7 [75d]
INFO: rcu detected stall in sys_mmap (3) mm C error 21 1d02h 146d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 10d 146d
BUG: corrupted list in list_lru_add mm bcachefs syz 2 7d15h 149d
INFO: rcu detected stall in security_file_ioctl (9) mm tomoyo 62 2d22h 149d
possible deadlock in try_to_wake_up (7) mm 2 80d 150d
BUG: Bad page state in iomap_write_begin xfs mm C 177 11h54m 151d 💬 4 [27d]
kernel BUG in resv_map_release (3) mm C 9 11d 159d 💬 1 [159d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 91 23h14m 161d
BUG: unable to handle kernel paging request in schedule mm 21 38d 164d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 16 3d19h 167d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 76d 168d 💬 2 [74d]
INFO: rcu detected stall in brk (2) mm syz 2 108d 171d 💬 8 [170d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 24d 171d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 63 1d04h 172d
WARNING in get_taint (2) mm C 363 145d 176d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 29 10d 184d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 57d 186d 💬 1 [185d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 6d10h 187d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 192d 188d 💬 6 [186d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 65 1d00h 191d
KMSAN: uninit-value in swap_writepage mm syz 25 31d 192d 💬 2 [70d]
WARNING in vms_complete_munmap_vmas mm C 1651 51m 193d 💬 1 [11d]
WARNING in page_counter_cancel (5) mm C 13 9d06h 198d 💬 1 [197d]
INFO: rcu detected stall in kjournald2 (2) mm C error 67 14d 199d
INFO: rcu detected stall in vhci_release mm syz done 11 11d 204d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 204d 204d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 169 1d00h 209d 💬 4 [209d]
INFO: rcu detected stall in shmem_fault (6) mm 99 1h36m 213d PATCH [195d]
BUG: corrupted list in do_compact_page mm syz 46 25d 214d 💬 1 [199d]
INFO: rcu detected stall in sys_execve (6) mm syz done 45 25d 215d
INFO: rcu detected stall in x64_sys_call mm syz error 247 14h31m 222d
BUG: corrupted list in add_to_unbuddied mm syz 43 29d 223d 💬 4 [184d]
KMSAN: uninit-value in sw842_compress mm C 64 7d11h 224d 💬 3 [157d]
INFO: task hung in hugetlb_fault mm C done 65 4d20h 225d 💬 2 [190d]
kernel BUG in z3fold_page_migrate mm syz 354 23d 228d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3639 30d 230d 💬 1 [42d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 25d 240d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 56d 247d
INFO: rcu detected stall in kcov_close mm 106 8d22h 251d
kernel panic: System is deadlocked on memory (2) mm 27 9h38m 251d
INFO: rcu detected stall in vm_mmap_pgoff mm 85 2d18h 252d PATCH [195d]
BUG: Bad page map (8) mm C done done 10 92d 275d 💬 10 [114d]
INFO: task hung in filemap_fault (6) mm 190 2d16h 285d
WARNING in __page_table_check_ptes_set (2) mm C done inconclusive 120 97d 312d 💬 4 [202d]
WARNING: locking bug in __schedule mm 1943 26d 316d 💬 1 [42d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 100d 323d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 265d 328d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 142 59d 328d
WARNING in shmem_evict_inode (3) mm 33 1d00h 330d
INFO: rcu detected stall in sys_sendto (7) mm C error 261 9d15h 334d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 50m 337d
BUG: Bad rss-counter state (5) bcachefs mm C done 2348 2d16h 342d 💬 3 [11d]
INFO: rcu detected stall in validate_mm (3) mm C error 34 25d 343d 💬 5 [285d]
general protection fault in __pte_offset_map_lock mm C done done 90 130d 350d
possible deadlock in gup_fast_fallback ntfs3 mm C done 1856 8m 364d 💬 1 [11d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 275d 381d 💬 2 [261d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 252 1d00h 387d 💬 10 [27d]
BUG: soft lockup in mac80211_hwsim_beacon (2) wireless mm C error inconclusive 77 2d02h 405d 💬 1 [224d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 17d 407d 💬 3 [261d]
WARNING in kunmap_local_indexed mm C 1380 272d 419d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 9d16h 425d
BUG: soft lockup in pipe_read fs mm syz 5 74d 451d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 146d 467d
INFO: rcu detected stall in dput (8) mm C done 316 7h56m 475d
INFO: rcu detected stall in sys_socket (10) mm C done 115 17d 507d 💬 6 [502d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 241d 523d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 38 9d14h 526d 💬 1 [40d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3454 57m 561d PATCH [554d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 283d 564d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10473 17d 574d PATCH [290d]
kernel BUG in filemap_unaccount_folio mm C done 370 13d 592d 💬 4 [137d]
INFO: rcu detected stall in sys_openat (3) mm C error 384 23h43m 595d
INFO: rcu detected stall in sys_unlink (3) mm C error 177 9d15h 615d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 153d 727d 💬 21 [167d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 496 12h38m 727d 💬 6 [11d]
possible deadlock in filemap_fault mm C done 2588 1d11h 898d 💬 4 [11d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 407 20h32m 908d 💬 1 [250d]
memory leak in xas_create mm C 15 487d 1016d 💬 9 [522d]
WARNING in ext4_dirty_folio mm C inconclusive done 25811 10d 1121d 💬 2 [11d]
INFO: task hung in do_read_cache_folio mm kasan block C error error 179 667d 1168d 💬 3 [654d]
INFO: rcu detected stall in corrupted (4) pci mm C done inconclusive 647 1d18h 1689d 💬 7 [11d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1343d 1695d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 60d 1713d 💬 2 [1054d]
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 1012d 1910d 💬 2 [1804d]
moderation (49):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 22h54m 22h53m
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 7d02h 3d02h
kernel BUG in folio_clear_dirty_for_io fs mm 2 9d11h 5d11h
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 1 5d20h 5d20h
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 6d00h 6d00h
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 6d18h 6d18h
general protection fault in workingset_refault (2) mm 1 16d 12d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 2 18d 18d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 1 20d 20d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 21d 26d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 1 27d 27d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 22d 29d
general protection fault in refill_obj_stock cgroups mm 1 38d 34d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 45d 41d
KCSAN: data-race in xas_create / xas_find (9) mm fs 2 54d 66d
KCSAN: data-race in getrusage / try_to_migrate_one mm 8 54d 67d 💬 1 [36d]
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 11 18d 74d
BUG: stack guard page was hit in sys_mount mm 1 82d 78d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (7) fs mm 3 44d 83d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 5 35d 84d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) mm fs 5 2d09h 118d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 6 31d 131d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 4 45d 137d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 40 30m 149d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 198 14h03m 151d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 45 3d18h 152d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 337 11h50m 152d
general protection fault in call_timer_fn mm rdma acpi 3 72d 183d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 29 3d20h 185d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 32 12d 188d
KCSAN: data-race in getrusage / vms_clear_ptes mm 108 1d21h 209d 💬 1 [36d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 86 6d08h 289d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 83 23h42m 289d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 71 1d21h 291d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 392 13h15m 348d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 60 1d22h 374d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 112 2d05h 377d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 240 1h45m 464d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 562 16h56m 466d
KCSAN: data-race in call_rcu / mtree_range_walk mm 865 35m 466d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 593 8h21m 466d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1261 8m 498d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 876 9d11h 1199d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1266 13h42m 1223d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4555 47m 1393d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1511 1d02h 1668d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4067 14d 1957d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1888 now 1963d
corrupted report (2) ocfs2 mm 873829 now 2566d