syzbot

 sign-in | mailing list | source | docs
🐞 Open [1569]
≡ Subsystems
🐞 Fixed [5936]
🐞 Invalid [14430]
⬇ 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
INFO: task hung in hugetlbfs_zero_partial_page fs mm io-uring syz done 1 4d01h 1h38m
INFO: rcu detected stall in sys_mkdirat (2) selinux mm overlayfs 31 4d23h 4d16h
general protection fault in find_lock_task_mm mm syz 1 8d19h 4d19h 💬 2 [4d02h]
WARNING in lock_list_lru_of_memcg mm 1 11d 7d10h 💬 7 [2d19h]
WARNING in __folio_rmap_sanity_checks (2) mm 1 14d 10d 💬 1 [10d]
WARNING in lru_gen_add_folio mm C done 28 10d 11d 💬 1 [11d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 1 16d 12d
INFO: rcu detected stall in mas_preallocate (2) mm syz 5 13d 12d 💬 2 [10d]
INFO: rcu detected stall in sys_umount (3) mm syz 26 1d04h 13d
WARNING: locking bug in on mm 2 17d 13d
WARNING in lru_gen_clear_refs mm C done 14 11d 13d 💬 1 [13d]
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 2 9d15h 13d
KASAN: slab-use-after-free Read in lru_add mm 1 21d 17d
INFO: rcu detected stall in sys_symlinkat (5) mm 37 3d22h 17d
BUG: stack guard page was hit in sys_sendfile64 mm C 4 5d19h 17d
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 29d 25d
KASAN: slab-use-after-free Read in folio_evictable (3) mm syz 11 1d16h 25d 💬 7 [6d08h]
INFO: rcu detected stall in sys_mmap (3) mm C error 15 10d 26d
INFO: rcu detected stall in sys_setsockopt (4) mm C done 11 2d03h 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 1d00h 29d
possible deadlock in try_to_wake_up (7) mm 1 34d 30d
WARNING in _xfs_buf_alloc mm 1 35d 31d
BUG: Bad page state in iomap_write_begin mm C 57 4h43m 31d 💬 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 2d04h 34d
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 2 25d 38d
kernel BUG in resv_map_release (3) mm C 5 18d 39d 💬 1 [39d]
BUG: stack guard page was hit in sys_open mm v9fs C 15 4d00h 40d 💬 5 [11d]
INFO: rcu detected stall in sys_pipe2 (2) mm 61 1d16h 40d
BUG: unable to handle kernel paging request in schedule mm 7 1d22h 44d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 14 10d 45d PATCH [8d00h]
WARNING in folio_update_gen mm 1 47d 46d PATCH [46d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 8 8d21h 47d
WARNING: locking bug in __set_page_owner mm syz error 2601 now 47d 💬 2 [16d]
INFO: rcu detected stall in brk (2) mm input usb syz 1 54d 50d 💬 8 [50d]
kernel BUG in __page_table_check_zero (2) mm C error done 32 41d 51d 💬 6 [9d22h]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 36 13h50m 51d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 31 5d08h 52d
kernel BUG in zap_huge_pmd mm C 2 57d 53d 💬 5 [53d]
WARNING in get_taint (2) mm C 363 25d 56d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 24d 57d 💬 5 [56d]
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 5 19h42m 65d 💬 1 [65d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 13 1d15h 66d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 71d 67d 💬 6 [66d]
KCSAN: data-race in xas_create / xas_find (8) fs mm 4 40d 68d 💬 2 [67d]
stack segment fault in folio_wait_writeback mm fs syz 4 67d 69d 💬 2 [66d]
INFO: rcu detected stall in sys_mprotect (8) mm 50 6d14h 71d
INFO: task hung in exit_mmap mm 236 43d 71d 💬 4 [68d]
KMSAN: uninit-value in swap_writepage mm 3 19d 72d 💬 2 [70d]
WARNING in vms_complete_munmap_vmas mm C 514 3h13m 73d 💬 1 [70d]
INFO: rcu detected stall in kswapd (3) usb mm fs C 3 6d15h 75d
WARNING in page_counter_cancel (5) mm C 5 61d 77d 💬 1 [76d]
INFO: rcu detected stall in kjournald2 (2) mm C error 50 2d13h 79d
INFO: rcu detected stall in vhci_release mm syz done 5 68d 84d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 84d 84d
kernel BUG in page_table_check_clear (2) mm C 17 51d 86d 💬 1 [85d]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 63 1d02h 89d 💬 4 [89d]
INFO: rcu detected stall in shmem_fault (6) mm 63 1d02h 92d PATCH [75d]
KASAN: slab-use-after-free Read in shrinker_free mm C 17 72d 93d 💬 2 [93d]
BUG: corrupted list in do_compact_page mm syz 21 2d21h 94d 💬 1 [79d]
INFO: rcu detected stall in sys_execve (6) mm syz done 32 18h02m 95d
INFO: rcu detected stall in x64_sys_call usb input mm syz 175 17h23m 102d
BUG: corrupted list in add_to_unbuddied mm syz 28 47d 103d 💬 4 [64d]
KMSAN: uninit-value in sw842_compress mm C 23 1d08h 104d 💬 3 [37d]
possible deadlock in obj_cgroup_charge cgroups mm 4 99d 105d
INFO: task hung in hugetlb_fault mm C done 65 16d 105d 💬 2 [70d]
kernel BUG in z3fold_page_migrate mm syz 147 49m 108d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3614 5d00h 110d 💬 1 [16d]
general protection fault in ksm_do_scan mm 9 68d 116d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 19 4d23h 119d
INFO: task hung in hugetlb_wp mm C done 94 31d 127d
INFO: rcu detected stall in kcov_close mm fs 80 4h59m 131d
kernel panic: System is deadlocked on memory (2) mm 18 6d10h 131d
INFO: rcu detected stall in vm_mmap_pgoff mm 64 1d11h 132d PATCH [75d]
INFO: rcu detected stall in kcov_ioctl (2) mm 73 7d00h 144d 💬 2 [144d]
BUG: Bad page map (8) mm C done 9 24d 155d 💬 10 [82d]
general protection fault in khugepaged (3) mm 13 52d 161d
INFO: task hung in filemap_fault (6) mm 184 10d 164d
WARNING in __page_table_check_ptes_set (2) mm C done 113 4d07h 191d 💬 4 [81d]
WARNING: locking bug in __schedule mm 1250 1h51m 195d 💬 1 [16d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 50d 203d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 23d 203d 💬 2 [203d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 145d 208d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 130 12d 208d
WARNING in shmem_evict_inode (3) mm 21 13d 210d
INFO: rcu detected stall in sys_sendto (7) net mm C error 184 2d16h 213d
INFO: task hung in __lru_add_drain_all (2) mm syz 269 2d16h 217d
INFO: rcu detected stall in validate_mm (3) mm C error 31 27d 223d 💬 5 [165d]
general protection fault in __pte_offset_map_lock mm C done 90 10d 229d
possible deadlock in gup_fast_fallback mm C done 1156 1h37m 244d 💬 1 [16d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 154d 261d 💬 2 [140d]
INFO: rcu detected stall in sys_clone (8) bpf mm C error 185 14h34m 267d 💬 10 [1d16h]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 64d 287d 💬 3 [141d]
WARNING in kunmap_local_indexed mm C 1380 152d 299d
INFO: rcu detected stall in sys_syslog (2) mm C error 30 15d 304d
BUG: soft lockup in pipe_read fs mm syz 4 191d 331d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 26d 346d
INFO: rcu detected stall in dput (8) mm C done 234 1d03h 355d
INFO: rcu detected stall in sys_recvmmsg (3) mm 100 3d00h 368d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 50d 372d
INFO: rcu detected stall in sys_socket (10) mm C done 81 4h29m 386d 💬 6 [382d]
BUG: spinlock recursion in try_to_wake_up crypto mm C 9 121d 403d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 163d 443d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10384 2d19h 454d PATCH [170d]
kernel BUG in filemap_unaccount_folio mm C done done 81 1d02h 471d 💬 4 [16d]
INFO: rcu detected stall in sys_openat (3) mm C error 300 19h22m 475d
INFO: rcu detected stall in sys_unlink (3) mm C error 144 5d23h 495d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 33d 607d 💬 21 [47d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 342 18h00m 607d 💬 6 [79d]
possible deadlock in page_cache_ra_unbounded mm reiserfs C error 121 1d21h 731d
possible deadlock in filemap_fault mm C done 2190 2h31m 778d 💬 4 [16d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 291 45m 788d 💬 1 [130d]
memory leak in xas_create mm C 15 366d 896d 💬 9 [402d]
WARNING in ext4_dirty_folio mm C inconclusive done 25799 11d 1000d 💬 2 [16d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 546d 1048d 💬 3 [534d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 624 8d08h 1568d 💬 7 [16d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1222d 1575d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 892d 1790d 💬 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 1d11h 1d11h
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 1 11d 11d
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 2 3d07h 12d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) fs mm 2 10d 17d
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 6d14h 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 15h52m 29d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 1 29d 29d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 38 1d18h 31d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 13 1d08h 31d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 3 8d11h 31d
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 1h42m 32d
KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range (8) mm 1 38d 38d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 6 4d07h 43d
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 54d 54d
WARNING in free_bprm fs mm 1 62d 58d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 12 45m 65d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 5 10d 68d
BUG: stack guard page was hit in compat_sys_sendfile mm 1 83d 82d
INFO: task hung in writeback_iter fs mm 137 4d04h 82d
general protection fault in validate_mm mm 1 88d 84d
KCSAN: data-race in getrusage / vms_clear_ptes mm 25 5h38m 89d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) mm fs 3 31d 94d
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 1d14h 169d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 41 14h09m 169d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 32 12h45m 171d
KCSAN: data-race in munlock_folio / need_mlock_drain (5) mm 16 46d 201d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 166 1h41m 228d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 45 2d00h 254d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 76 7h30m 257d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 183 2d22h 344d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 431 7h06m 346d
KCSAN: data-race in call_rcu / mtree_range_walk mm 668 13h45m 346d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 483 13h09m 346d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 758 1h35m 378d
KCSAN: data-race in filemap_fdatawrite_wbc / xas_set_mark fs mm 877 32d 956d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 826 1d07h 1079d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1075 16h17m 1102d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4344 1h45m 1273d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1457 2d14h 1548d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4027 1h39m 1837d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1601 15h18m 1843d
corrupted report (2) mm net 786052 now 2446d