syzbot

 sign-in | mailing list | source | docs
🐞 Open [1552]
≡ Subsystems
🐞 Fixed [5904]
🐞 Invalid [14369]
⬇ Missing Backports [100]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (120):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __folio_rmap_sanity_checks (2) mm 1 6d23h 2d23h 💬 1 [2d15h]
WARNING in lru_gen_add_folio mm C done 28 2d19h 4d08h 💬 1 [3d23h]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 1 8d17h 4d13h
general protection fault in find_mergeable_anon_vma mm 1 9d10h 4d13h PATCH [3d03h]
INFO: rcu detected stall in mas_preallocate (2) mm syz 5 6d04h 4d15h 💬 2 [3d07h]
INFO: rcu detected stall in sys_umount (3) mm syz 23 5d06h 5d16h
WARNING: locking bug in on mm 2 9d23h 6d03h
WARNING in lru_gen_clear_refs mm C done 14 4d06h 6d05h 💬 1 [6d03h]
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 2 2d02h 6d07h
KASAN: slab-use-after-free Read in move_pages_pte mm C done 3 8d00h 6d07h PATCH [3d16h]
KASAN: slab-use-after-free Read in __mmap_region mm C 4 1d03h 7d03h PATCH [4d11h]
KASAN: null-ptr-deref Write in sys_io_uring_register mm C done 15 2d18h 9d11h 💬 11 [9d04h]
KASAN: slab-use-after-free Read in lru_add mm 1 13d 9d14h
INFO: rcu detected stall in sys_symlinkat (5) mm 35 9h27m 9d22h
BUG: stack guard page was hit in sys_sendfile64 mm C 4 12d 10d
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 21d 17d
KASAN: slab-use-after-free Read in folio_evictable (3) mm syz 7 8h51m 17d 💬 3 [9m]
INFO: rcu detected stall in sys_mmap (3) mm C error 15 2d19h 18d
INFO: rcu detected stall in sys_setsockopt (4) mm C done 7 1d11h 18d
BUG: corrupted list in list_lru_add bcachefs mm syz 1 25d 21d
INFO: rcu detected stall in security_file_ioctl (9) mm bpf 43 22h56m 21d
possible deadlock in try_to_wake_up (7) mm 1 26d 22d
WARNING in _xfs_buf_alloc mm 1 27d 23d
BUG: Bad page state in iomap_write_begin mm C 44 9h34m 23d 💬 4 [22d]
general protection fault in mas_store_prealloc mm C 11 9d12h 26d PATCH [23d]
INFO: rcu detected stall in rescuer_thread batman mm ext4 C done 9 28d 27d
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 2 17d 30d
kernel BUG in resv_map_release (3) mm C 5 10d 31d 💬 1 [31d]
BUG: stack guard page was hit in sys_open mm v9fs C 15 10d 32d 💬 5 [4d09h]
INFO: rcu detected stall in sys_pipe2 (2) mm 54 1d03h 33d
BUG: unable to handle kernel paging request in schedule mm 6 1d19h 36d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 14 3d07h 37d PATCH [11h19m]
WARNING in folio_update_gen mm 1 40d 39d PATCH [39d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 8 1d08h 39d
WARNING: locking bug in __set_page_owner mm syz error 2026 26m 40d 💬 2 [8d16h]
INFO: rcu detected stall in brk (2) mm input usb syz 1 47d 43d 💬 8 [42d]
kernel BUG in __page_table_check_zero (2) mm C error done 32 33d 43d 💬 6 [2d09h]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 29 2d13h 44d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 30 12h16m 44d
kernel BUG in zap_huge_pmd mm C 2 49d 45d 💬 5 [45d]
WARNING in get_taint (2) mm C 363 18d 49d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 17d 49d 💬 5 [49d]
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 4 16d 58d 💬 1 [57d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 12 1d22h 59d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 64d 60d 💬 6 [58d]
KCSAN: data-race in xas_create / xas_find (8) fs mm 4 33d 60d 💬 2 [60d]
stack segment fault in folio_wait_writeback mm fs syz 4 60d 61d 💬 2 [59d]
INFO: rcu detected stall in sys_mprotect (8) mm 49 4d23h 63d
INFO: task hung in exit_mmap mm 236 35d 64d 💬 4 [60d]
KMSAN: uninit-value in swap_writepage mm 3 12d 64d 💬 2 [63d]
WARNING in vms_complete_munmap_vmas mm C 428 2h59m 66d 💬 1 [63d]
INFO: rcu detected stall in kswapd (3) usb mm fs C 2 57d 68d
WARNING in page_counter_cancel (5) mm C 5 53d 70d 💬 1 [69d]
INFO: rcu detected stall in kjournald2 (2) mm C error 49 1d03h 71d
INFO: rcu detected stall in vhci_release mm syz done 5 60d 76d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 77d 77d
kernel BUG in page_table_check_clear (2) mm C 17 43d 78d 💬 1 [78d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 55 1d00h 81d 💬 4 [81d]
INFO: rcu detected stall in shmem_fault (6) mm 60 3d02h 85d PATCH [67d]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 64d 86d 💬 2 [86d]
BUG: corrupted list in do_compact_page mm syz 20 12h28m 86d 💬 1 [71d]
INFO: rcu detected stall in sys_execve (6) mm syz done 28 22h02m 87d
possible deadlock in refill_stock cgroups mm 1 94d 90d
INFO: rcu detected stall in x64_sys_call usb input mm syz 165 6h05m 95d
BUG: corrupted list in add_to_unbuddied mm syz 28 40d 96d 💬 4 [56d]
KMSAN: uninit-value in sw842_compress mm C 20 1d16h 96d 💬 3 [29d]
possible deadlock in obj_cgroup_charge cgroups mm 4 91d 97d
INFO: task hung in hugetlb_fault mm C done 65 8d21h 97d 💬 2 [62d]
kernel BUG in z3fold_page_migrate mm syz 141 1d23h 101d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3612 3d14h 103d 💬 1 [8d16h]
general protection fault in ksm_do_scan mm 9 60d 108d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 18 12d 112d
INFO: task hung in hugetlb_wp mm C done 94 23d 119d
INFO: rcu detected stall in kcov_close bpf mm 78 1d16h 123d
kernel panic: System is deadlocked on memory (2) mm 17 9d17h 123d
INFO: rcu detected stall in vm_mmap_pgoff mm 58 4d08h 124d PATCH [67d]
INFO: rcu detected stall in kcov_ioctl (2) mm 71 3d12h 137d 💬 2 [136d]
BUG: Bad page map (8) mm C done 9 16d 148d 💬 10 [74d]
general protection fault in khugepaged (3) mm 13 45d 153d
INFO: task hung in filemap_fault (6) mm 184 2d14h 157d
WARNING in __page_table_check_ptes_set (2) mm C done 112 1d10h 184d 💬 4 [74d]
WARNING: locking bug in __schedule mm 1168 1h51m 188d 💬 1 [8d16h]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 43d 195d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 15d 195d 💬 2 [195d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 137d 200d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 130 5d03h 201d
WARNING in shmem_evict_inode (3) mm 21 6d02h 203d
INFO: rcu detected stall in sys_sendto (7) net mm C error 173 9h26m 206d
INFO: task hung in __lru_add_drain_all (2) mm 266 46d 210d
INFO: rcu detected stall in validate_mm (3) mm C error 31 19d 215d 💬 5 [157d]
general protection fault in __pte_offset_map_lock mm C done 90 2d23h 222d
possible deadlock in gup_fast_fallback mm C done 1105 3h52m 236d 💬 1 [8d16h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 147d 254d 💬 2 [133d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 176 2d17h 260d 💬 10 [90d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 57d 279d 💬 3 [133d]
WARNING in kunmap_local_indexed mm C 1380 144d 291d
INFO: rcu detected stall in sys_syslog (2) mm C error 30 8d09h 297d
BUG: soft lockup in pipe_read fs mm syz 4 183d 323d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 19d 339d
INFO: rcu detected stall in dput (8) mm C done 228 1d08h 348d
INFO: rcu detected stall in sys_recvmmsg (3) mm 94 12h27m 360d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 42d 365d
INFO: rcu detected stall in sys_socket (10) mm C done 73 21h25m 379d 💬 6 [374d]
BUG: spinlock recursion in try_to_wake_up crypto mm C 9 113d 396d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 155d 436d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10381 20h33m 446d PATCH [162d]
kernel BUG in filemap_unaccount_folio mm C done done 79 2d14h 464d 💬 4 [9d09h]
INFO: rcu detected stall in sys_openat (3) mm C error 290 2h58m 467d
INFO: rcu detected stall in sys_unlink (3) mm C error 143 14h05m 488d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 25d 599d 💬 21 [39d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 332 1d07h 599d 💬 6 [71d]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 106 3h23m 723d
possible deadlock in filemap_fault mm C done 2094 4h15m 771d 💬 4 [8d16h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 270 8h34m 781d 💬 1 [122d]
memory leak in xas_create mm C 15 359d 888d 💬 9 [394d]
WARNING in ext4_dirty_folio mm C inconclusive done 25799 4d07h 993d 💬 2 [8d16h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 539d 1040d 💬 3 [526d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 624 19h05m 1561d 💬 7 [8d16h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1215d 1568d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 885d 1782d 💬 2 [1676d]
moderation (50):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 1 3d20h 3d20h
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 1 4d21h 4d21h
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) fs mm 2 2d12h 10d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (7) fs mm 1 16d 16d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 1 17d 17d
KCSAN: data-race in exec_mmap / vms_clear_ptes (2) mm 2 11d 17d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 1 20d 20d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 9 4h44m 21d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 1 22d 22d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 27 1d04h 23d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 10 6h23m 24d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 3 21h42m 24d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 1 24d 24d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 56 3h53m 25d
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (8) mm 1 30d 30d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 5 3d12h 36d
KCSAN: data-race in data_push_tail / dentry_name (3) mm 1 37d 37d
KCSAN: data-race in xas_create / xas_find_marked (7) fs mm 1 42d 42d
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (2) mm 1 46d 46d
WARNING in free_bprm fs mm 1 54d 50d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (2) mm 1 52d 52d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 9 9d16h 57d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 5 3d00h 61d
BUG: stack guard page was hit in compat_sys_sendfile mm 1 76d 74d
INFO: task hung in writeback_iter fs mm 135 1d06h 74d
general protection fault in validate_mm mm 1 80d 76d
KCSAN: data-race in getrusage / vms_clear_ptes mm 19 4d22h 81d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 3 23d 87d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 11 27d 151d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 40 10h12m 161d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 36 5d19h 162d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 29 1d03h 163d
KCSAN: data-race in generic_fillattr / shmem_unlink (4) mm 15 53d 173d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 16 39d 194d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 152 5h46m 220d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 44 3d12h 246d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 74 6d01h 250d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 180 4d23h 336d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 421 11h30m 338d
KCSAN: data-race in call_rcu / mtree_range_walk mm 653 12h14m 338d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 475 1h27m 338d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 720 4h03m 371d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 877 25d 949d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 821 2d09h 1072d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1062 4h23m 1095d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4331 4h11m 1266d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1456 5h20m 1540d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4014 6h08m 1830d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1585 4h03m 1835d
corrupted report (2) mm net 780383 9m 2438d