syzbot

 sign-in | mailing list | source | docs
🐞 Open [1554]
≡ Subsystems
🐞 Fixed [6198]
🐞 Invalid [15543]
⬇ Missing Backports [179]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (138):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in move_to_new_folio mm C done 13 3d00h 5d17h PATCH [1d07h]
WARNING in do_wp_page mm 1 9d22h 5d22h PATCH [2d09h]
BUG: sleeping function called from invalid context in emon mm 1 12d 8d20h
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 14d 10d
general protection fault in mremap mm C done 25 14d 12d 💬 8 [4d01h]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 2 14d 15d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 2 3d01h 17d
BUG: sleeping function called from invalid context in folio_mc_copy mm fs C done 3659 now 22d PATCH [15h06m]
INFO: rcu detected stall in clone (7) mm 35 1h26m 22d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 24d 23d 💬 1 [23d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 32d 28d
UBSAN: shift-out-of-bounds in shmem_undo_range mm bcachefs syz 1 36d 32d
general protection fault in xas_create bcachefs mm syz 1 36d 32d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 42d 38d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (8) fs mm 2 34d 39d PATCH [38d]
WARNING in depot_fetch_stack mm 4 36d 44d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 31d 46d 💬 12 [33d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 1 47d 47d
kernel BUG in try_to_unmap_one mm 1 51d 47d 💬 3 [46d]
WARNING in get_dump_page ext4 mm C done error 5 37d 51d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 22d 60d
kernel BUG in shmem_undo_range mm bcachefs syz 1 61d 60d
WARNING in workingset_update_node mm bcachefs syz 1 61d 60d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 42d 62d 💬 2 [62d]
KASAN: slab-use-after-free Read in folio_lock_anon_vma_read mm 1 69d 65d 💬 2 [28d]
KASAN: slab-use-after-free Write in folio_get_anon_vma mm 1 73d 69d
INFO: task hung in rmap_walk_file mm C error 19 2d05h 70d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 57d 71d 💬 2 [62d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 8 12d 71d
UBSAN: shift-out-of-bounds in shmem_add_to_page_cache mm bcachefs syz 1 74d 73d 💬 3 [62d]
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 39d 73d 💬 2 [62d]
WARNING: ODEBUG bug in free_unref_page mm 1 86d 81d
BUG: stack guard page was hit in sys_openat mm v9fs C done done 6 87d 84d 💬 1 [56d]
KASAN: use-after-free Read in ptdump_pte_entry mm 2 73d 88d
BUG: stack guard page was hit in loop_process_work mm v9fs 2 92d 88d
WARNING: locking bug in run_posix_cpu_timers mm 1 93d 88d
INFO: rcu detected stall in netlink_release (5) net mm syz error inconclusive 2 86d 91d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 86 7d10h 104d PATCH [88d]
INFO: rcu detected stall in task_numa_work (2) mm bpf C error 16 25d 104d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 3d11h 107d 💬 1 [107d]
possible deadlock in move_pages (2) mm C done 508 94d 117d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 17d 118d
INFO: rcu detected stall in sys_mkdirat (2) mm 41 62d 122d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 17d 128d 💬 25 [25d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 15d 130d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 7d16h 130d 💬 6 [39d]
INFO: rcu detected stall in sys_umount (3) mm syz done 35 17d 131d
WARNING: locking bug in on mm 4 84d 131d
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 3 90d 131d
possible deadlock in balance_pgdat (2) scsi mm C 4 100d 134d 💬 1 [92d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 50 1d16h 135d
BUG: stack guard page was hit in sys_sendfile64 mm C 7 92d 135d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 61d 142d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 23 1d08h 143d 💬 7 [73d]
INFO: rcu detected stall in sys_mmap (3) mm C error 20 26d 144d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 8d18h 144d
BUG: corrupted list in list_lru_add mm bcachefs syz 2 5d14h 147d
INFO: rcu detected stall in security_file_ioctl (9) mm tomoyo 62 20h18m 147d
possible deadlock in try_to_wake_up (7) mm 2 78d 148d
BUG: Bad page state in iomap_write_begin xfs mm C 175 1d00h 149d 💬 4 [25d]
kernel BUG in resv_map_release (3) mm C 9 9d09h 157d 💬 1 [157d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 90 9d11h 159d
BUG: unable to handle kernel paging request in schedule mm 21 36d 162d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 16 1d17h 165d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 74d 166d 💬 2 [72d]
INFO: rcu detected stall in brk (2) mm syz 2 106d 169d 💬 8 [168d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 22d 169d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 62 23h19m 170d
WARNING in get_taint (2) mm C 363 143d 174d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 29 8d05h 182d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 54d 184d 💬 1 [183d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 4d08h 185d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 190d 186d 💬 6 [184d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 64 5h33m 189d
KMSAN: uninit-value in swap_writepage mm syz 25 29d 190d 💬 2 [68d]
WARNING in vms_complete_munmap_vmas mm C 1616 4h52m 191d 💬 1 [9d09h]
WARNING in page_counter_cancel (5) mm C 13 7d04h 196d 💬 1 [194d]
INFO: rcu detected stall in kjournald2 (2) mm C error 67 12d 197d
INFO: rcu detected stall in vhci_release mm syz done 11 9d06h 202d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 202d 202d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 167 20h45m 207d 💬 4 [207d]
INFO: rcu detected stall in shmem_fault (6) mm 97 4d05h 211d PATCH [193d]
BUG: corrupted list in do_compact_page mm syz 46 23d 212d 💬 1 [197d]
INFO: rcu detected stall in sys_execve (6) mm syz done 45 23d 213d
INFO: rcu detected stall in x64_sys_call mm syz error 243 1d21h 220d
BUG: corrupted list in add_to_unbuddied mm syz 43 27d 221d 💬 4 [182d]
KMSAN: uninit-value in sw842_compress mm C 64 5d10h 222d 💬 3 [155d]
INFO: task hung in hugetlb_fault mm C done 65 2d18h 223d 💬 2 [188d]
kernel BUG in z3fold_page_migrate mm syz 354 21d 226d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3639 27d 228d 💬 1 [40d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 23d 238d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 54d 245d
INFO: rcu detected stall in kcov_close mm 106 6d20h 249d
kernel panic: System is deadlocked on memory (2) mm 26 23h27m 249d
INFO: rcu detected stall in vm_mmap_pgoff mm 85 16h28m 250d PATCH [193d]
BUG: Bad page map (8) mm C done done 10 90d 273d 💬 10 [112d]
INFO: task hung in filemap_fault (6) mm 190 15h07m 283d
WARNING in __page_table_check_ptes_set (2) mm C done inconclusive 120 95d 309d 💬 4 [200d]
WARNING: locking bug in __schedule mm 1943 24d 314d 💬 1 [40d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 98d 321d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 263d 326d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 142 57d 326d
WARNING in shmem_evict_inode (3) mm 32 15d 328d
INFO: rcu detected stall in sys_sendto (7) mm C error 261 7d13h 331d
INFO: task hung in __lru_add_drain_all (2) mm syz 271 28d 335d
BUG: Bad rss-counter state (5) bcachefs mm C done 2348 14h36m 340d 💬 3 [9d09h]
INFO: rcu detected stall in validate_mm (3) mm C error 34 22d 341d 💬 5 [283d]
general protection fault in __pte_offset_map_lock mm C done done 90 128d 347d
possible deadlock in gup_fast_fallback ntfs3 mm C done 1833 4h09m 362d 💬 1 [9d09h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 272d 379d 💬 2 [259d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 251 4d09h 385d 💬 10 [25d]
BUG: soft lockup in mac80211_hwsim_beacon (2) wireless mm C error inconclusive 77 32m 403d 💬 1 [222d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 15d 405d 💬 3 [259d]
WARNING in kunmap_local_indexed mm C 1380 270d 417d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 7d14h 423d
BUG: soft lockup in pipe_read fs mm syz 5 72d 449d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 144d 464d
INFO: rcu detected stall in dput (8) mm C done 314 21h49m 473d
INFO: rcu detected stall in sys_socket (10) mm C done 115 15d 505d 💬 6 [500d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 239d 521d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 38 7d12h 524d 💬 1 [38d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3442 10h35m 558d PATCH [552d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 281d 561d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10473 15d 572d PATCH [288d]
kernel BUG in filemap_unaccount_folio mm C done 370 11d 589d 💬 4 [135d]
INFO: rcu detected stall in sys_openat (3) mm C error 381 12h07m 593d
INFO: rcu detected stall in sys_unlink (3) mm C error 177 7d13h 613d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 151d 725d 💬 21 [165d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 493 2d22h 725d 💬 6 [9d09h]
possible deadlock in filemap_fault mm C done 2587 4d16h 896d 💬 4 [9d09h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 403 1d16h 906d 💬 1 [248d]
memory leak in xas_create mm C 15 484d 1014d 💬 9 [520d]
WARNING in ext4_dirty_folio mm C inconclusive done 25811 8d03h 1119d 💬 2 [9d09h]
INFO: task hung in do_read_cache_folio mm kasan block C error error 179 664d 1166d 💬 3 [652d]
INFO: rcu detected stall in corrupted (4) pci mm C done inconclusive 645 7h02m 1686d 💬 7 [9d09h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1341d 1693d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 58d 1711d 💬 2 [1052d]
INFO: task hung in do_read_cache_page (3) mm fs C done inconclusive 88 1010d 1908d 💬 2 [1802d]
moderation (49):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 5d01h 1d01h
kernel BUG in folio_clear_dirty_for_io fs mm 2 7d09h 3d09h
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 1 3d18h 3d18h
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 3d22h 3d22h
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 4d17h 4d16h
general protection fault in workingset_refault (2) mm 1 14d 10d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 2 16d 16d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 1 18d 18d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 19d 24d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 1 25d 25d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 20d 27d
general protection fault in refill_obj_stock cgroups mm 1 36d 32d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 43d 39d
KCSAN: data-race in xas_create / xas_find (9) mm fs 2 52d 64d
KCSAN: data-race in getrusage / try_to_migrate_one mm 8 52d 65d 💬 1 [34d]
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 11 16d 72d
BUG: stack guard page was hit in sys_mount mm 1 80d 76d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (7) fs mm 3 42d 81d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 5 33d 82d
BUG: unable to handle kernel paging request in __folio_batch_add_and_move mm 2 88d 98d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) mm fs 5 7h44m 116d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 6 29d 129d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 4 43d 135d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 38 6d14h 147d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 196 1d08h 149d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 45 1d17h 150d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 333 3h33m 150d
general protection fault in call_timer_fn mm rdma acpi 3 70d 181d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 29 1d18h 183d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 32 10d 186d
KCSAN: data-race in getrusage / vms_clear_ptes mm 107 20h40m 207d 💬 1 [34d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 86 4d06h 287d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 82 6d22h 287d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 70 1d21h 289d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 388 16h32m 346d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 59 6d17h 372d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 112 3h19m 375d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 237 13m 462d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 559 8h35m 464d
KCSAN: data-race in call_rcu / mtree_range_walk mm 859 14h45m 464d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 590 2h00m 464d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1252 4h15m 496d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 876 7d09h 1197d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1263 15h30m 1220d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4551 4h43m 1391d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1510 5d23h 1666d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4067 12d 1955d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1884 4h14m 1961d
corrupted report (2) ocfs2 mm 872263 now 2564d