syzbot

 sign-in | mailing list | source | docs
🐞 Open [1467]
≡ Subsystems
🐞 Fixed [6729]
🐞 Invalid [17292]
⬇ Missing Backports [220]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (115):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __page_table_check_ptes_set (3) mm -1 1 4d04h 4h44m
general protection fault in __rt_mutex_slowlock_locked mm 2 2 6d02h 2d01h
WARNING in swap_cache_get_folio mm -1 6 2d04h 2d06h 💬 1 [2d05h]
KASAN: slab-use-after-free Read in mtree_range_walk mm 19 2 1d04h 2d11h PATCH [3h59m]
KMSAN: kernel-infoleak in hugetlbfs_read_iter fs mm 9 C 7 4d01h 3d03h PATCH [9h24m]
possible deadlock in __hugetlb_zap_begin mm 4 1 7d20h 3d20h PATCH [3d16h]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error 3 7d07h 6d13h
WARNING in lock_list_lru_of_memcg (2) mm -1 2 1d06h 8d02h 💬 2 [7d15h]
WARNING in raw_ioctl mm -1 C 1903 now 19d PATCH [4h49m]
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 32 14d 22d
general protection fault in call_timer_fn (2) kernfs x86 mm 19 5 29d 29d
INFO: task hung in migrate_pages_batch (4) mm 1 42 3d04h 30d
INFO: task hung in __rmap_walk_file mm 1 C error 7 8d06h 34d 💬 3 [31d]
possible deadlock in hugetlb_vma_lock_read mm 4 3 33d 35d
WARNING in path_noexec (2) fs mm -1 C error 6068 now 44d PATCH [33d]
possible deadlock in ksm_do_scan mm 4 1 50d 46d 💬 1 [45d]
KCSAN: data-race in try_to_compact_pages / try_to_compact_pages mm 6 1 50d 48d 💬 1 [48d]
possible deadlock in xdp_umem_pin_pages mm bpf net 4 2 50d 49d
WARNING: bad unlock balance in hugetlb_vmdelete_list fs mm 4 C 1 51d 51d PATCH [49d]
WARNING in __bch2_writepage mm -1 1 55d 51d
kernel BUG in __free_one_page (2) mm -1 C 4 48d 58d
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 5 14d 59d PATCH [49d]
KMSAN: uninit-value in __run_timer_base (2) mm batman 7 5 53d 64d PATCH [61d]
INFO: rcu detected stall in sys_madvise (2) mm 1 35 16d 74d
WARNING in __alloc_skb (4) mm -1 C 7 15d 77d PATCH [54d]
WARNING in copy_process mm -1 syz 2 77d 80d 💬 4 [77d]
BUG: soft lockup in dev_ioctl (2) mm 1 6 14d 83d
kernel BUG in page_table_check_set mm -1 C 6 70d 83d 💬 5 [82d]
INFO: rcu detected stall in sys_munmap (2) mm 1 syz error 27 3d10h 83d 💬 7 [77d]
INFO: rcu detected stall in hub_event (2) kernfs mm 1 C error 46 5d05h 84d
WARNING in alloc_frozen_pages_noprof mm -1 C 216 4h23m 92d 💬 3 [90d]
KASAN: slab-use-after-free Read in lru_add (2) mm gfs2 19 C error 2 66d 101d
INFO: rcu detected stall in kernfs_fop_open (7) kernfs mm 1 C error 3 33d 107d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 3 45d 116d 💬 2 [115d]
INFO: rcu detected stall in wb_workfn (4) block mm 1 C error 40 6d06h 125d 💬 1 [71d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error 2 28d 140d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 214 3h05m 145d 💬 1 [107d]
INFO: rcu detected stall in vm_area_alloc (6) mm bpf 1 syz error 6 5d13h 167d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 50 1d13h 182d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 2 11d 185d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 8 73d 193d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 6 10d 196d
BUG: Bad page state in page_cache_ra_order mm -1 C error 37 41d 196d
INFO: task hung in exit_mmap (2) mm 1 C done error 29 1d04h 202d
kernel BUG in __filemap_add_folio fs mm -1 C done 890 4h46m 202d 💬 1 [7d11h]
BUG: soft lockup in sys_bpf mm 1 C error 45 10d 204d
INFO: task hung in page_cache_ra_order fs mm 1 C done 64 1d13h 205d 💬 1 [204d]
INFO: rcu detected stall in clone (7) mm 1 55 10d 231d
INFO: task hung in rmap_walk_file mm 1 C error 19 35d 279d
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 25 1d17h 280d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 3 85d 292d
INFO: rcu detected stall in task_numa_work (2) mm bpf 1 C error error 21 8d03h 313d
KASAN: slab-use-after-free Read in filemap_map_pages mm 19 C inconclusive done 17 43d 316d 💬 1 [7d10h]
INFO: task hung in hugetlbfs_zero_partial_page fs mm 1 syz done 3 91d 327d
WARNING in __folio_rmap_sanity_checks (2) mm -1 C inconclusive 17 25d 337d 💬 26 [171d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 8 10d 339d 💬 6 [248d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 46 10d 340d 💬 2 [86d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 310d 343d 💬 1 [301d]
INFO: rcu detected stall in sys_symlinkat (5) mm tomoyo fs 1 syz error 74 9d17h 344d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 91 27d 348d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 66 1d09h 352d 💬 7 [59d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 28 6d02h 353d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 37 14d 353d
BUG: corrupted list in list_lru_add mm 19 C inconclusive 33 4d08h 356d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz error 96 3d01h 356d
kernel BUG in resv_map_release (3) mm -1 C inconclusive 24 8d15h 366d 💬 1 [366d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 108 6d23h 368d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 24 39d 374d
INFO: rcu detected stall in brk (2) mm 1 syz 2 315d 378d 💬 8 [377d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 100 4d16h 379d
INFO: rcu detected stall in sys_readlink (5) mm 1 syz done 34 21d 391d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 264d 393d 💬 1 [392d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 106d 394d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 88 16d 398d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 77 33d 406d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 194d 411d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 145 5d14h 420d PATCH [402d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 63 4d16h 422d
INFO: rcu detected stall in x64_sys_call mm kasan 1 C error 409 7d14h 430d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 236d 430d 💬 4 [391d]
KMSAN: uninit-value in sw842_compress mm 7 C 69 14d 431d 💬 3 [21d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 230d 435d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done 3648 8h32m 437d 💬 1 [13d]
INFO: rcu detected stall in kcov_close mm 1 149 12d 458d
kernel panic: System is deadlocked on memory (2) mm 2 70 1d05h 458d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 98 28d 459d PATCH [402d]
INFO: rcu detected stall in addrconf_rs_timer (6) x86 mm netfilter 1 syz error error 603 1h31m 530d
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 307d 530d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 472d 535d
WARNING in shmem_evict_inode (3) mm -1 54 7d05h 537d
INFO: rcu detected stall in sendmsg (4) mm net 1 C error 60 15d 538d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 318 5d02h 541d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 21d 550d 💬 5 [492d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 482d 588d 💬 2 [468d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 318 1d13h 594d 💬 10 [141d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 42 3d14h 632d
BUG: soft lockup in pipe_read fs mm 1 syz 5 281d 658d
INFO: rcu detected stall in sys_recvmmsg (3) mm net 1 199 15h08m 695d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 169 1d08h 714d 💬 6 [709d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 448d 731d
INFO: rcu detected stall in sys_unshare (9) mm 1 C inconclusive done 74 1d16h 733d 💬 1 [51d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 490d 771d PATCH [111d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 485 39d 799d 💬 4 [28d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 469 15h10m 802d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 212 2d23h 822d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 790 45m 934d 💬 6 [59d]
WARNING in v9fs_fid_get_acl mm v9fs -1 C error error 5678 34d 1078d PATCH [438d]
possible deadlock in filemap_fault mm 4 C done 2949 4d20h 1105d 💬 4 [28d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 483 5h39m 1115d 💬 1 [28d]
memory leak in xas_create mm 3 C 17 4d22h 1223d 💬 9 [729d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25845 1d02h 1328d 💬 2 [28d]
INFO: task hung in do_read_cache_folio mm block kasan 1 C error error 179 874d 1375d 💬 3 [861d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1550d 1902d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 267d 1920d 💬 2 [1261d]
INFO: task hung in do_read_cache_page (3) mm fs 1 C done inconclusive 88 1220d 2117d 💬 2 [2011d]
moderation (55):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in file_update_time / shmem_fallocate mm 6 1 5h56m 5h55m
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 1 2d20h 2d20h
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 1 6d15h 6d15h
KCSAN: data-race in copy_mm / vm_stat_account mm 6 1 11d 11d
possible deadlock in flush_end_io fs mm 4 66 17h51m 18d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (2) mm 6 5 6d12h 25d
KCSAN: data-race in copy_mm / vma_complete (2) mm 6 2 14d 29d
general protection fault in lru_gen_test_recent (2) mm 2 2 11d 29d
KCSAN: data-race in generic_fillattr / shmem_symlink (5) mm 6 2 3d01h 30d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (4) mm fs -1 1 32d 32d
KCSAN: data-race in __lru_add_drain_all / deactivate_file_folio (4) mm 6 1 37d 37d
KCSAN: data-race in __wb_writeout_add / __wb_writeout_add fs mm 6 1 40d 40d
KASAN: slab-use-after-free Read in __list_lru_walk_one (3) mm 19 3 7d08h 41d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) fs mm 6 3 8d11h 47d
KCSAN: data-race in compact_zone / compact_zone (8) mm 6 2 46m 50d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 3 9d04h 53d
KCSAN: data-race in invalidate_inode_pages2_range / xas_store (3) mm 6 1 54d 54d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 7 3d00h 60d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 4 18d 64d
KCSAN: data-race in getrusage / try_to_migrate_one (3) mm 6 3 51d 66d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (10) mm fs 6 3 26d 75d
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm 6 2 23d 76d
WARNING in __folio_mark_dirty (3) mm fs -1 10 1d22h 95d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra (3) ext4 mm 6 16 41d 95d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 4 8d06h 124d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) fs mm 6 9 20d 144d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 36 51d 198d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 83 7h37m 200d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 214 1d03h 201d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 169 42d 202d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 10 41d 212d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 6 25 41d 225d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 70 5d02h 227d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 230 40d 281d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 102 7d11h 356d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 366 10h29m 358d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 106 8d12h 359d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 692 16h08m 359d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 86 5d02h 392d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 55 43d 395d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 189 42d 416d 💬 1 [243d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 151 8d03h 496d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 147 8h53m 496d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 105 11h36m 498d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 659 5h59m 555d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 78 3d16h 581d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 180 15d 584d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 2075 4h07m 705d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 936 4d21h 1407d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1583 1h16m 1430d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 4930 4h15m 1601d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1592 2d23h 1875d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4109 7d07h 2164d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2301 4h06m 2170d
corrupted report (2) mm -1 1010768 now 2773d