syzbot

 sign-in | mailing list | source | docs
🐞 Open [1571]
≡ Subsystems
🐞 Fixed [6355]
🐞 Invalid [16192]
⬇ Missing Backports [194]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (114):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in xfs_init_fs_context mm 4 1d01h 4d21h 💬 4 [11h46m]
INFO: rcu detected stall in exit_to_user_mode_loop mm 44 2h09m 13d
WARNING: bad unlock balance in move_pgt_entry mm C done 8 17d 17d 💬 1 [16d]
possible deadlock in upgrade_mmap_lock_carefully (2) mm ntfs3 C error 6 8d12h 26d 💬 1 [25d]
INFO: rcu detected stall in sys_unlinkat (3) mm 31 3d03h 28d
BUG: soft lockup in sys_sendmsg (2) scsi mm block 8 22h11m 29d
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 1 37d 31d
WARNING: bad unlock balance in copy_process mm 3 18d 34d
INFO: rcu detected stall in vm_area_alloc (6) mm syz error 3 11d 35d
possible deadlock in __vma_start_write mm 1 40d 36d 💬 10 [29d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 21 4d02h 40d 💬 1 [6d05h]
INFO: rcu detected stall in vms_gather_munmap_vmas mm syz error 35 7d22h 50d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 27d 53d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended ext4 mm 2 55d 59d 💬 4 [52d]
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm syz error 6 15d 61d
INFO: rcu detected stall in nsim_fib_event_work mm C error 3 10d 64d
BUG: Bad page state in page_cache_ra_order mm C 15 1d02h 64d
KCSAN: data-race in copy_mm / copy_page_range mm 3 12d 67d
INFO: task hung in exit_mmap (2) mm C done error 9 23h31m 70d
kernel BUG in __filemap_add_folio fs mm C done 77 8h53m 70d
BUG: soft lockup in sys_bpf mm 16 8d14h 72d
INFO: task hung in page_cache_ra_order fs mm C done 30 8h32m 73d 💬 1 [72d]
BUG: sleeping function called from invalid context in emon mm 1 89d 85d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 91d 87d
BUG: soft lockup in cfg80211_wext_siwfreq mm kasan 2 38d 88d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 4 20d 94d
INFO: rcu detected stall in clone (7) mm 45 2d12h 99d
general protection fault in xas_create mm bcachefs syz 2 61d 110d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 108d 124d 💬 12 [110d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm mm cgroups C 2 60d 124d
WARNING in get_dump_page ext4 mm C done error 5 114d 128d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 119d 140d 💬 2 [139d]
INFO: task hung in rmap_walk_file mm C error 19 18d 147d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 134d 148d 💬 2 [139d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 16 1d22h 148d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm syz done 2 22d 160d
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 17 33d 181d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 8 36d 184d 💬 1 [184d]
INFO: task hung in hugetlbfs_zero_partial_page mm fs syz done 3 13d 195d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 59d 199d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 52d 203d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 13 16h03m 205d 💬 26 [39d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 6 93d 207d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 12d 207d 💬 6 [116d]
INFO: rcu detected stall in sys_umount (3) mm syz done 39 6d18h 208d
possible deadlock in balance_pgdat (2) scsi mm C 4 178d 211d 💬 1 [169d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 62 1d17h 212d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 74 25d 216d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 41 1d00h 220d 💬 7 [150d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 10d 221d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 28 5d22h 221d
BUG: corrupted list in list_lru_add mm syz 10 7d08h 224d
INFO: rcu detected stall in security_file_ioctl (9) mm 74 22h09m 224d
BUG: Bad page state in iomap_write_begin xfs mm C 254 22h45m 226d 💬 4 [9d05h]
kernel BUG in resv_map_release (3) mm C 18 3d19h 234d 💬 1 [234d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 95 14d 236d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 21 3d21h 242d
INFO: rcu detected stall in brk (2) mm syz 2 183d 246d 💬 8 [245d]
INFO: rcu detected stall in kthreadd (2) mm C unreliable 75 5d13h 247d
WARNING in get_taint (2) mm C 363 221d 252d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 31 9d22h 259d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 132d 261d 💬 1 [260d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 81d 262d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 267d 263d 💬 6 [261d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 74 4d05h 266d
WARNING in vms_complete_munmap_vmas mm C 2396 23d 268d 💬 1 [21d]
WARNING in page_counter_cancel (5) mm C 15 50d 273d 💬 1 [272d]
INFO: rcu detected stall in kjournald2 (2) mm C error error 72 12d 274d
INFO: rcu detected stall in vhci_release mm syz done done 12 62d 279d
INFO: rcu detected stall in shmem_fault (6) mm C 120 4d05h 288d PATCH [270d]
INFO: rcu detected stall in sys_execve (6) mm syz done 51 15d 290d
INFO: rcu detected stall in x64_sys_call mm syz error 313 23h46m 297d
BUG: corrupted list in add_to_unbuddied mm syz 43 104d 298d 💬 4 [259d]
KMSAN: uninit-value in sw842_compress mm C 65 12d 299d 💬 3 [232d]
INFO: task hung in hugetlb_fault mm C done 65 16d 300d 💬 2 [265d]
kernel BUG in z3fold_page_migrate mm syz 354 98d 303d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 5d16h 305d 💬 1 [21d]
INFO: task hung in hugetlb_wp mm C done inconclusive 94 131d 322d
INFO: rcu detected stall in kcov_close mm 115 17d 326d
kernel panic: System is deadlocked on memory (2) mm 42 1d08h 326d
INFO: rcu detected stall in vm_mmap_pgoff mm 91 11h53m 327d PATCH [270d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 175d 398d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 340d 403d
WARNING in shmem_evict_inode (3) mm 43 2h23m 405d
INFO: rcu detected stall in sys_sendto (7) mm C error 276 3d14h 409d
BUG: Bad rss-counter state (5) bcachefs mm C done 2364 12d 417d 💬 3 [21d]
INFO: rcu detected stall in validate_mm (3) mm C error 35 29d 418d 💬 5 [360d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2468 20m 439d 💬 1 [21d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 350d 456d 💬 2 [336d]
INFO: rcu detected stall in sys_clone (8) mm C error 276 1d23h 462d 💬 10 [9d05h]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 92d 482d 💬 3 [336d]
WARNING in kunmap_local_indexed mm C 2040 10h06m 494d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 18d 500d
BUG: soft lockup in pipe_read fs mm syz 5 149d 526d
INFO: task hung in _vm_unmap_aliases (3) mm C 568 3d21h 542d
INFO: rcu detected stall in dput (8) mm C done 392 15h29m 551d
INFO: rcu detected stall in sys_socket (10) mm C done 124 10d 582d 💬 6 [577d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 316d 598d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 45 4d04h 601d 💬 1 [115d]
INFO: rcu detected stall in worker_thread (9) mm netfilter C done 3782 10h44m 636d PATCH [629d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 358d 639d
kernel BUG in filemap_unaccount_folio mm C done error 394 2d03h 667d 💬 4 [212d]
INFO: rcu detected stall in sys_openat (3) mm C error 414 1d03h 670d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo C error 187 13h41m 690d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 228d 802d 💬 21 [242d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 593 14h52m 802d 💬 6 [21d]
possible deadlock in filemap_fault mm C done 2857 14h05m 973d 💬 4 [21d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 427 6d16h 983d 💬 1 [325d]
memory leak in xas_create mm C 15 562d 1091d 💬 9 [597d]
WARNING in ext4_dirty_folio mm C inconclusive done 25824 4d11h 1196d 💬 2 [21d]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 742d 1243d 💬 3 [729d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 1418d 1770d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 135d 1788d 💬 2 [1129d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1088d 1985d 💬 2 [1879d]
moderation (55):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 1 5d22h 5d22h
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 1 9d16h 9d16h
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 1 12d 12d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm 1 17d 13d
WARNING: kernel/workqueue.c:LINE at __queue_work, CPU: syz.NUM.NUM/NUM mm 1 17d 13d
KCSAN: data-race in __mmput / copy_mm mm 1 16d 16d
KCSAN: data-race in copy_mm / dup_mmap mm 1 19d 19d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 1 23d 23d
kernel panic: stack is corrupted in shmem_undo_range mm 1 30d 26d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 1 36d 36d
general protection fault in asm_sysvec_reschedule_ipi mm fs 1 40d 36d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 5 9d23h 40d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 3 20d 43d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 44d 44d
KCSAN: data-race in __percpu_counter_init_many / copy_mm ext4 mm 4 13d 46d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 2 15d 54d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 54d 54d
KMSAN: uninit-value in __folio_cancel_dirty mm fs 1 61d 57d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 3 19d 61d
BUG: soft lockup in dev_ioctl (2) mm 4 3d02h 63d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm 3 6d08h 65d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 17 14h34m 66d
general protection fault in lru_gen_test_recent mm 2 55d 66d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 2 22d 68d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 32 3d02h 68d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 69 1d11h 69d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 75 6h18m 70d
possible deadlock in page_cache_ra_unbounded (2) mm fs 3 2d17h 78d
kernel BUG in folio_clear_dirty_for_io fs mm 2 84d 80d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 3 41d 80d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 3 34d 81d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 44d 93d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 20 13h26m 95d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 7 8h06m 106d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 91 15d 149d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 64 1d00h 224d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 258 2d07h 226d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 67 7d17h 227d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 477 7h50m 227d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 51 8d23h 260d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 43 3d05h 263d
KCSAN: data-race in getrusage / vms_clear_ptes mm 160 1d16h 284d 💬 1 [111d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 110 3d02h 364d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 102 20h06m 364d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 83 2d08h 366d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 508 7h51m 423d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 51d 449d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 133 1d01h 452d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1577 4h55m 573d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1386 4h35m 1298d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 4688 5h18m 1469d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1526 6d21h 1743d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4082 1d18h 2032d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 2050 11h56m 2038d
corrupted report (2) mm 938930 now 2641d