syzbot

 sign-in | mailing list | source | docs
🐞 Open [1576]
≡ Subsystems
🐞 Fixed [5936]
🐞 Invalid [14439]
⬇ Missing Backports [102]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (119):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in move_pages (2) mm C done 264 2d02h 1h02m
INFO: task hung in hugetlbfs_zero_partial_page fs mm io-uring syz done 1 4d19h 19h51m
INFO: rcu detected stall in sys_mkdirat (2) selinux mm overlayfs 32 3h23m 5d11h
general protection fault in find_lock_task_mm mm syz 1 9d13h 5d13h 💬 2 [4d21h]
WARNING in lock_list_lru_of_memcg mm 1 12d 8d04h 💬 7 [3d13h]
WARNING in __folio_rmap_sanity_checks (2) mm 1 15d 11d 💬 1 [10d]
WARNING in lru_gen_add_folio mm C done 28 11d 12d 💬 1 [12d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 1 17d 12d
INFO: rcu detected stall in mas_preallocate (2) mm syz 5 14d 12d 💬 2 [11d]
INFO: rcu detected stall in sys_umount (3) mm syz 26 1d22h 13d
WARNING: locking bug in on mm 2 18d 14d
WARNING in lru_gen_clear_refs mm C done 14 12d 14d 💬 1 [14d]
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 2 10d 14d
KASAN: slab-use-after-free Read in lru_add mm 1 22d 17d
INFO: rcu detected stall in sys_symlinkat (5) mm 37 4d17h 18d
BUG: stack guard page was hit in sys_sendfile64 mm C 4 6d13h 18d
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 30d 26d
KASAN: slab-use-after-free Read in folio_evictable (3) mm syz 11 2d10h 26d 💬 7 [7d02h]
INFO: rcu detected stall in sys_mmap (3) mm C error 15 11d 26d
INFO: rcu detected stall in sys_setsockopt (4) mm C done 11 2d22h 26d
BUG: corrupted list in list_lru_add mm bcachefs syz 1 33d 29d
INFO: rcu detected stall in security_file_ioctl (9) mm bpf 46 1d18h 30d
possible deadlock in try_to_wake_up (7) mm 1 35d 31d
WARNING in _xfs_buf_alloc mm 1 35d 31d
BUG: Bad page state in iomap_write_begin mm C 57 22h55m 32d 💬 4 [30d]
general protection fault in mas_store_prealloc mm C 11 17d 34d PATCH [31d]
INFO: rcu detected stall in rescuer_thread batman mm ext4 C done 10 2d22h 35d
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 2 26d 38d
kernel BUG in resv_map_release (3) mm C 5 19d 40d 💬 1 [39d]
BUG: stack guard page was hit in sys_open mm v9fs C 15 4d18h 40d 💬 5 [12d]
INFO: rcu detected stall in sys_pipe2 (2) mm 63 7h51m 41d
BUG: unable to handle kernel paging request in schedule mm 7 2d17h 44d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 14 11d 45d PATCH [8d18h]
WARNING in folio_update_gen mm 1 48d 47d PATCH [47d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 8 9d16h 47d
WARNING: locking bug in __set_page_owner mm syz error 2656 now 48d 💬 2 [16d]
INFO: rcu detected stall in brk (2) mm input usb syz 1 55d 51d 💬 8 [50d]
kernel BUG in __page_table_check_zero (2) mm C error done 32 42d 52d 💬 6 [10d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 36 1d08h 52d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 32 53m 53d
kernel BUG in zap_huge_pmd mm C 2 58d 54d 💬 5 [53d]
WARNING in get_taint (2) mm C 363 26d 57d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 25d 57d 💬 5 [57d]
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 6 3h06m 66d 💬 1 [65d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 13 2d10h 67d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 72d 68d 💬 6 [67d]
KCSAN: data-race in xas_create / xas_find (8) fs mm 4 41d 69d 💬 2 [68d]
stack segment fault in folio_wait_writeback mm fs syz 4 68d 69d 💬 2 [67d]
INFO: rcu detected stall in sys_mprotect (8) mm 50 7d09h 72d
INFO: task hung in exit_mmap mm 236 43d 72d 💬 4 [68d]
KMSAN: uninit-value in swap_writepage mm 3 20d 72d 💬 2 [71d]
WARNING in vms_complete_munmap_vmas mm C 523 1h08m 74d 💬 1 [71d]
INFO: rcu detected stall in kswapd (3) usb mm fs C 3 7d09h 76d
WARNING in page_counter_cancel (5) mm C 5 62d 78d 💬 1 [77d]
INFO: rcu detected stall in kjournald2 (2) mm C error 52 2h25m 80d
INFO: rcu detected stall in vhci_release mm syz done 5 69d 84d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 85d 85d
kernel BUG in page_table_check_clear (2) mm C 17 51d 87d 💬 1 [86d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 64 7h48m 89d 💬 4 [89d]
INFO: rcu detected stall in shmem_fault (6) mm 63 1d20h 93d PATCH [75d]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 72d 94d 💬 2 [94d]
BUG: corrupted list in do_compact_page mm syz 21 3d16h 94d 💬 1 [79d]
INFO: rcu detected stall in sys_execve (6) mm syz done 33 10h11m 95d
INFO: rcu detected stall in x64_sys_call usb input mm syz 176 11h56m 103d
BUG: corrupted list in add_to_unbuddied mm syz 28 48d 104d 💬 4 [65d]
KMSAN: uninit-value in sw842_compress mm C 23 2d02h 105d 💬 3 [37d]
INFO: task hung in hugetlb_fault mm C done 65 17d 106d 💬 2 [70d]
kernel BUG in z3fold_page_migrate mm syz 147 19h01m 109d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3614 5d19h 111d 💬 1 [16d]
general protection fault in ksm_do_scan mm 9 68d 116d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 20 50m 120d
INFO: task hung in hugetlb_wp mm C done 94 6h59m 127d
INFO: rcu detected stall in kcov_close mm fs 80 23h11m 131d
kernel panic: System is deadlocked on memory (2) mm 18 7d04h 131d
INFO: rcu detected stall in vm_mmap_pgoff mm 65 3h54m 133d PATCH [75d]
INFO: rcu detected stall in kcov_ioctl (2) mm 73 7d18h 145d 💬 2 [144d]
BUG: Bad page map (8) mm C done 9 25d 156d 💬 10 [82d]
general protection fault in khugepaged (3) mm 13 53d 161d
INFO: task hung in filemap_fault (6) mm 184 10d 165d
WARNING in __page_table_check_ptes_set (2) mm C done 113 5d01h 192d 💬 4 [82d]
WARNING: locking bug in __schedule mm 1257 6h26m 196d 💬 1 [16d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 51d 203d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 24d 204d 💬 2 [203d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 145d 209d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 130 13d 209d
WARNING in shmem_evict_inode (3) mm 21 14d 211d
INFO: rcu detected stall in sys_sendto (7) net mm C error 187 2h49m 214d
INFO: task hung in __lru_add_drain_all (2) mm syz 269 3d10h 218d
INFO: rcu detected stall in validate_mm (3) mm C error 31 27d 223d 💬 5 [166d]
general protection fault in __pte_offset_map_lock mm C done 90 11d 230d
possible deadlock in gup_fast_fallback mm C done 1161 8h10m 245d 💬 1 [16d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 155d 262d 💬 2 [141d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 187 15m 268d 💬 10 [2d10h]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 65d 287d 💬 3 [142d]
WARNING in kunmap_local_indexed mm C 1380 153d 299d
INFO: rcu detected stall in sys_syslog (2) mm C error 30 16d 305d
BUG: soft lockup in pipe_read fs mm syz 4 192d 332d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 27d 347d
INFO: rcu detected stall in dput (8) mm C done 235 2h09m 356d
INFO: rcu detected stall in sys_recvmmsg (3) mm 100 3d18h 368d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 50d 373d
INFO: rcu detected stall in sys_socket (10) mm C done 82 17h31m 387d 💬 6 [383d]
BUG: spinlock recursion in try_to_wake_up crypto mm C 9 122d 404d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 163d 444d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10384 3d14h 455d PATCH [170d]
kernel BUG in filemap_unaccount_folio mm C done done 83 4h54m 472d 💬 4 [17d]
INFO: rcu detected stall in sys_openat (3) mm C error 301 13h35m 475d
INFO: rcu detected stall in sys_unlink (3) mm C error 144 6d17h 496d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 33d 608d 💬 21 [47d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 343 5h38m 608d 💬 6 [79d]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 121 2d15h 732d
possible deadlock in filemap_fault mm C done 2196 9m 779d 💬 4 [16d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 294 3h17m 789d 💬 1 [130d]
memory leak in xas_create mm C 15 367d 897d 💬 9 [403d]
WARNING in ext4_dirty_folio mm C inconclusive done 25799 12d 1001d 💬 2 [16d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 547d 1049d 💬 3 [534d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 624 9d02h 1569d 💬 7 [16d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1223d 1576d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 893d 1791d 💬 2 [1684d]
moderation (49):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (3) mm 1 2d05h 2d05h
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 1 12d 12d
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 3 9h07m 13d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) fs mm 2 10d 18d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (7) fs mm 1 24d 24d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 1 25d 25d
KCSAN: data-race in exec_mmap / vms_clear_ptes (2) mm 3 7d08h 25d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 1 28d 28d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 12 1d10h 30d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 1 30d 30d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 40 7h03m 32d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 13 2d02h 32d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 3 9d05h 32d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 1 32d 32d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 75 19h54m 33d
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (8) mm 1 39d 39d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 6 5d01h 44d
KCSAN: data-race in data_push_tail / dentry_name (3) mm 1 45d 45d
KCSAN: data-race in xas_create / xas_find_marked (7) fs mm 1 50d 50d
KCSAN: data-race in __percpu_counter_limited_add / percpu_counter_add_batch (2) mm 1 55d 55d
WARNING in free_bprm fs mm 1 62d 58d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 12 18h57m 66d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 5 11d 69d
BUG: stack guard page was hit in compat_sys_sendfile mm 1 84d 82d
INFO: task hung in writeback_iter fs mm 137 4d22h 82d
general protection fault in validate_mm mm 1 88d 84d
KCSAN: data-race in getrusage / vms_clear_ptes mm 26 13h24m 90d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) mm fs 3 32d 95d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 11 35d 159d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 43 2d08h 169d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 41 1d08h 170d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 32 1d06h 171d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 16 47d 202d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 167 6h33m 228d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 45 2d18h 255d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 76 1d01h 258d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 183 3d16h 344d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 433 48m 347d
KCSAN: data-race in call_rcu / mtree_range_walk mm 670 2h43m 347d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 483 1d07h 347d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 759 6h30m 379d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 877 33d 957d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 826 2d01h 1080d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1077 4h46m 1103d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4345 6h58m 1274d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1459 6h32m 1548d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4028 6h57m 1838d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1603 3h55m 1844d
corrupted report (2) mm net 786671 now 2446d