syzbot

 sign-in | mailing list | source | docs
🐞 Open [1516]
≡ Subsystems
🐞 Fixed [5897]
🐞 Invalid [14330]
⬇ Missing Backports [96]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (112):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: slab-use-after-free Read in __mmap_region mm C 3 2d16h 5h10m PATCH [3h47m]
KASAN: null-ptr-deref Write in sys_io_uring_register mm C done 9 4h56m 2d12h 💬 11 [2d06h]
KASAN: slab-use-after-free Read in lru_add mm 1 6d17h 2d16h
INFO: rcu detected stall in sys_symlinkat (5) mm 33 3d06h 2d23h
BUG: stack guard page was hit in sys_sendfile64 mm C 4 5d07h 3d07h
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 14d 10d
KASAN: slab-use-after-free Read in folio_evictable (3) mm 5 10d 10d
INFO: rcu detected stall in sys_mmap (3) mm C error 14 2d13h 11d
INFO: rcu detected stall in sys_setsockopt (4) mm syz done 5 12h49m 11d
BUG: corrupted list in list_lru_add bcachefs mm syz 1 18d 14d
possible deadlock in try_to_wake_up (7) mm 1 19d 15d
WARNING in _xfs_buf_alloc mm 1 20d 16d
BUG: Bad page state in iomap_write_begin mm C 32 1d19h 16d 💬 4 [15d]
general protection fault in mas_store_prealloc mm C 11 2d14h 19d PATCH [16d]
INFO: rcu detected stall in rescuer_thread batman mm ext4 C done 9 21d 20d
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 2 10d 23d
kernel BUG in resv_map_release (3) mm C 5 4d01h 24d 💬 1 [24d]
BUG: stack guard page was hit in sys_open mm v9fs C 15 3d12h 25d 💬 3 [18d]
INFO: rcu detected stall in sys_pipe2 (2) mm 48 1d00h 26d
BUG: unable to handle kernel paging request in schedule mm 4 1d20h 29d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 10 4d18h 30d PATCH [20d]
WARNING in folio_update_gen mm 1 33d 32d PATCH [32d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 7 7h40m 32d
WARNING: locking bug in __set_page_owner mm syz error 1461 now 33d 💬 2 [1d17h]
INFO: rcu detected stall in brk (2) mm input usb syz 1 40d 36d 💬 8 [35d]
kernel BUG in __page_table_check_zero (2) mm C error 32 27d 36d 💬 6 [31d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 24 4h44m 37d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 23 3d01h 37d
kernel BUG in zap_huge_pmd mm C 2 42d 38d 💬 5 [38d]
WARNING in get_taint (2) mm C 363 11d 42d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 10d 42d 💬 5 [42d]
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 4 9d08h 51d 💬 1 [50d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 11 1d06h 52d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 57d 53d 💬 6 [51d]
KCSAN: data-race in xas_create / xas_find (8) fs mm 4 26d 53d 💬 2 [53d]
possible deadlock in vma_prepare mm 1 58d 54d 💬 1 [54d]
stack segment fault in folio_wait_writeback fs mm syz 4 53d 54d 💬 2 [52d]
INFO: rcu detected stall in sys_mprotect (8) mm 47 4d04h 56d
INFO: task hung in exit_mmap mm 236 28d 57d 💬 4 [53d]
KMSAN: uninit-value in swap_writepage mm 3 5d01h 57d 💬 2 [56d]
WARNING in vms_complete_munmap_vmas mm C 355 33m 59d 💬 1 [56d]
INFO: rcu detected stall in kswapd (3) usb mm fs C 2 50d 61d
WARNING in page_counter_cancel (5) mm C 5 46d 63d 💬 1 [62d]
INFO: rcu detected stall in kjournald2 (2) mm C error 44 1d06h 64d
INFO: rcu detected stall in vhci_release mm syz done 5 54d 69d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 70d 70d
kernel BUG in page_table_check_clear (2) mm C 17 36d 71d 💬 1 [71d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 47 1d14h 74d 💬 4 [74d]
INFO: rcu detected stall in shmem_fault (6) mm 56 1d07h 78d PATCH [60d]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 57d 79d 💬 2 [79d]
BUG: corrupted list in do_compact_page mm syz 19 10d 79d 💬 1 [64d]
INFO: rcu detected stall in sys_execve (6) mm syz done 27 now 80d
kernel panic: corrupted stack end in kernel_init (2) mm syz 12 68d 82d
possible deadlock in refill_stock cgroups mm 1 87d 83d
INFO: rcu detected stall in x64_sys_call usb input mm syz 157 2d19h 88d
BUG: corrupted list in add_to_unbuddied mm syz 28 33d 89d 💬 4 [49d]
KMSAN: uninit-value in sw842_compress mm C 19 5d02h 89d 💬 3 [22d]
possible deadlock in obj_cgroup_charge cgroups mm 4 84d 90d
INFO: task hung in hugetlb_fault mm C done 65 1d23h 90d 💬 2 [55d]
kernel BUG in z3fold_page_migrate mm syz 138 11h49m 94d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3610 1d09h 96d 💬 1 [1d17h]
general protection fault in ksm_do_scan mm 9 53d 101d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 18 5d06h 105d
INFO: task hung in hugetlb_wp mm C done 94 16d 112d
INFO: rcu detected stall in kcov_close bpf mm 71 4d01h 116d
kernel panic: System is deadlocked on memory (2) mm 17 2d18h 116d
INFO: rcu detected stall in vm_mmap_pgoff mm 57 2d23h 117d PATCH [60d]
INFO: rcu detected stall in kcov_ioctl (2) mm 69 2d21h 130d 💬 2 [129d]
BUG: Bad page map (8) mm C done 9 9d20h 141d 💬 10 [67d]
general protection fault in khugepaged (3) mm 13 38d 146d
INFO: task hung in filemap_fault (6) mm 183 11d 150d
WARNING in __page_table_check_ptes_set (2) mm C done 110 31d 177d 💬 4 [67d]
WARNING: locking bug in __schedule mm 1087 1h27m 181d 💬 1 [1d17h]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 36d 188d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 8d20h 188d 💬 2 [188d]
INFO: rcu detected stall in ext4_release_file (2) mm ext4 C error done 3 97d 190d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 130d 193d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 129 13h45m 194d
WARNING in shmem_evict_inode (3) mm 20 58d 196d
INFO: rcu detected stall in sys_sendto (7) net mm C error 157 12h52m 199d
INFO: task hung in __lru_add_drain_all (2) mm 266 39d 203d
INFO: rcu detected stall in validate_mm (3) mm C error 31 12d 208d 💬 5 [150d]
general protection fault in __pte_offset_map_lock mm C done 75 10h53m 215d
possible deadlock in gup_fast_fallback mm C done 1063 1d14h 229d 💬 1 [1d17h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 140d 247d 💬 2 [126d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 171 14h06m 253d 💬 10 [83d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 50d 272d 💬 3 [126d]
WARNING in kunmap_local_indexed mm C 1380 137d 284d
INFO: rcu detected stall in sys_syslog (2) mm C error 30 1d11h 290d
BUG: soft lockup in pipe_read fs mm syz 4 177d 317d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 12d 332d
INFO: rcu detected stall in dput (8) mm C done 215 13m 341d
INFO: rcu detected stall in sys_recvmmsg (3) mm 84 1d12h 353d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 35d 358d
INFO: rcu detected stall in sys_socket (10) mm C done 68 4d05h 372d 💬 6 [368d]
BUG: spinlock recursion in try_to_wake_up crypto mm C 9 106d 389d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 148d 429d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10378 3d12h 439d PATCH [155d]
kernel BUG in filemap_unaccount_folio mm C done done 49 9h20m 457d 💬 4 [2d11h]
INFO: rcu detected stall in sys_openat (3) mm C error 271 1d11h 460d
INFO: rcu detected stall in sys_unlink (3) mm C error 132 22h14m 481d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 18d 592d 💬 21 [32d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 326 1d00h 592d 💬 6 [64d]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 97 14h42m 716d
possible deadlock in filemap_fault mm C done 2024 9h45m 764d 💬 4 [1d17h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 248 12h59m 774d 💬 1 [115d]
memory leak in xas_create mm C 15 352d 881d 💬 9 [387d]
WARNING in ext4_dirty_folio mm C inconclusive done 25799 14d 986d 💬 2 [1d17h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 532d 1033d 💬 3 [519d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 620 1d21h 1554d 💬 7 [1d17h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1208d 1561d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 878d 1775d 💬 2 [1669d]
moderation (48):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) fs mm 1 3d05h 3d05h
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (7) fs mm 1 9d16h 9d16h
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 1 10d 10d
KCSAN: data-race in exec_mmap / vms_clear_ptes (2) mm 2 4d02h 10d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 1 13d 13d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 7 17h55m 14d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 1 15d 15d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 20 5h03m 16d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 5 5d04h 17d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 2 15d 17d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 1 17d 17d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 40 15h07m 18d
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (8) mm 1 24d 24d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 3 1d14h 29d
KCSAN: data-race in data_push_tail / dentry_name (3) mm 1 30d 30d
KCSAN: data-race in xas_create / xas_find_marked (7) fs mm 1 35d 35d
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (2) mm 1 39d 39d
WARNING in free_bprm fs mm 1 47d 43d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (2) mm 1 45d 45d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 9 2d17h 50d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 4 1h33m 54d
BUG: stack guard page was hit in compat_sys_sendfile mm 1 69d 67d
INFO: task hung in writeback_iter fs mm 128 4d16h 67d
general protection fault in validate_mm mm 1 73d 69d
KCSAN: data-race in getrusage / vms_clear_ptes mm 17 2d00h 74d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 3 16d 80d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 11 20d 144d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 37 1h25m 154d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 35 16h51m 155d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 26 4d19h 156d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 15 46d 166d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 16 32d 187d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 140 7h11m 213d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 42 12d 239d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 73 2d12h 243d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 178 57m 329d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 411 16h33m 331d
KCSAN: data-race in call_rcu / mtree_range_walk mm 642 16h18m 331d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 468 1d03h 332d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 689 4h51m 364d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 877 18d 942d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 818 14h16m 1065d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1051 3h42m 1088d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4321 5h15m 1259d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1455 1d07h 1533d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4009 5h22m 1823d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1567 1h50m 1828d
corrupted report (2) mm net 775151 now 2431d