syzbot


mm subsystem


List(s): linux-mm@kvack.org
Fixed bugs: 371
Parent subsystem(s): kernel (84)
Child subsystems: damon (0)
open (117):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in sys_madvise (2) mm 1 30 10d 6d06h
WARNING in __alloc_skb (4) mm usb -1 C 4 2h09m 9d10h
WARNING in copy_process mm -1 syz 2 9d09h 12d 💬 4 [8d19h]
BUG: soft lockup in dev_ioctl (2) mm 1 5 14d 14d
linux-next test error: WARNING in __folio_start_writeback fs mm -1 24 3d14h 14d 💬 3 [9d14h]
kernel BUG in page_table_check_set mm -1 C 6 2d06h 15d 💬 5 [13d]
INFO: rcu detected stall in sys_munmap (2) mm 1 syz 25 1d07h 15d 💬 7 [9d05h]
INFO: rcu detected stall in hub_event (2) kernfs mm 1 syz 34 5h41m 16d
INFO: task hung in v9fs_file_fsync fs mm 1 C done 13 4d14h 19d PATCH [17d]
WARNING in alloc_frozen_pages_noprof mm -1 C 72 1d21h 24d 💬 3 [21d]
WARNING in try_to_migrate_one (3) mm -1 C done 6 4d08h 27d 💬 4 [26d]
general protection fault in __pte_offset_map_lock (2) mm 2 C 13 23d 31d 💬 1 [30d]
KASAN: slab-use-after-free Read in lru_add (2) mm gfs2 19 C error 1 32d 32d
kernel BUG in set_page_refcounted mm ntfs3 -1 syz error 1 36d 35d 💬 3 [32d]
WARNING in trace_suspend_resume mm -1 C 736 3h51m 36d 💬 1 [35d]
INFO: rcu detected stall in kernfs_fop_open (7) mm kernfs 1 C error 3 36d 39d
WARNING: locking bug in __percpu_counter_limited_add mm 4 1 43d 39d
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error 2 15d 47d 💬 2 [46d]
KASAN: slab-use-after-free Read in mas_next_slot (2) mm 19 C done 3 52d 51d 💬 10 [49d]
general protection fault in mas_start mm 2 C error 1 54d 53d 💬 1 [53d]
possible deadlock in lock_next_vma mm 4 C 4 53d 56d 💬 4 [51d]
INFO: rcu detected stall in wb_workfn (4) block mm 1 C error 37 3d18h 56d 💬 1 [3d05h]
WARNING: lock held when returning to user space in lock_next_vma mm 4 C done 3 51d 59d 💬 11 [57d]
stack segment fault in mtree_range_walk mm 2 C done 6 54d 59d 💬 1 [59d]
WARNING in path_noexec fs mm -1 C done 10302 1h39m 60d PATCH [60d]
WARNING in xfs_init_fs_context mm -1 16 8d15h 68d 💬 8 [59d]
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 135 13h15m 76d 💬 1 [39d]
WARNING: bad unlock balance in move_pgt_entry mm 4 C done 8 81d 81d 💬 1 [80d]
INFO: rcu detected stall in sys_unlinkat (3) tomoyo mm 1 31 66d 91d
WARNING: bad unlock balance in copy_process mm 4 11 14h45m 97d
INFO: rcu detected stall in vm_area_alloc (6) bpf mm 1 syz error 4 27d 99d
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) mm cgroups 23 80 8d12h 104d 💬 1 [7d19h]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 43 13d 114d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 2 14d 116d
INFO: rcu detected stall in inet_rtm_newaddr (2) net mm 1 syz error 2 58d 122d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm 1 syz error 8 5d06h 124d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 4 8d09h 127d
BUG: Bad page state in page_cache_ra_order mm -1 C error 28 14d 127d
INFO: task hung in exit_mmap (2) mm 1 C done error 14 9d10h 134d
kernel BUG in __filemap_add_folio mm fs -1 C done 343 33m 134d
BUG: soft lockup in sys_bpf mm 1 28 11d 136d
INFO: task hung in page_cache_ra_order mm fs 1 C done 48 6d17h 136d 💬 1 [136d]
INFO: rcu detected stall in clone (7) mm 1 50 19d 163d
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm 17 C 2 124d 187d
INFO: task hung in rmap_walk_file mm 1 C error 19 4d03h 211d
KASAN: slab-use-after-free Read in list_lru_del mm 19 syz done 20 19d 211d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm 1 syz done 3 17d 224d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 18 34d 245d
KASAN: slab-use-after-free Read in filemap_map_pages mm 19 C inconclusive 15 4d19h 248d 💬 1 [248d]
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done 3 23d 258d
INFO: rcu detected stall in sys_mkdirat (2) mm 1 44 62d 263d
WARNING in __folio_rmap_sanity_checks (2) mm -1 C inconclusive 15 14d 269d 💬 26 [102d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 7 61d 270d 💬 6 [180d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 43 4d10h 272d 💬 2 [18d]
possible deadlock in balance_pgdat (2) scsi mm 4 C 4 241d 275d 💬 1 [232d]
INFO: rcu detected stall in sys_symlinkat (5) fs mm tomoyo 1 syz error 70 18d 276d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 1 87 4d12h 279d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 58 2d18h 284d 💬 7 [22d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 24 15d 284d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 32 18d 284d
BUG: corrupted list in list_lru_add mm 19 C inconclusive 18 4d03h 287d
INFO: rcu detected stall in security_file_ioctl (9) mm 1 syz 85 1d22h 288d
BUG: Bad page state in iomap_write_begin xfs mm -1 C 271 20d 290d 💬 4 [10d]
kernel BUG in resv_map_release (3) mm -1 C 20 12d 298d 💬 1 [297d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done 102 14d 299d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 23 8d05h 305d
INFO: rcu detected stall in brk (2) mm 1 syz 2 247d 309d 💬 8 [308d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 93 1d16h 311d
WARNING in get_taint (2) mm -1 C 363 284d 315d
INFO: rcu detected stall in sys_readlink (5) mm fs 1 syz done 32 17d 322d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 8 195d 324d 💬 1 [323d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 37d 325d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 83 14d 330d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 75 14d 338d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 125d 342d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 135 5d09h 351d PATCH [333d]
INFO: rcu detected stall in sys_execve (6) mm 1 syz done 57 3d21h 353d
INFO: rcu detected stall in x64_sys_call mm 1 syz error 358 23h55m 361d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 168d 362d 💬 4 [323d]
KMSAN: uninit-value in sw842_compress mm 7 C 66 10d 363d 💬 3 [295d]
INFO: task hung in hugetlb_fault mm 1 C done done 65 44d 364d 💬 2 [2d05h]
kernel BUG in z3fold_page_migrate mm -1 syz 354 161d 367d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done 3643 16d 369d 💬 1 [7d19h]
INFO: rcu detected stall in kcov_close mm 1 132 3d02h 389d
kernel panic: System is deadlocked on memory (2) mm 2 58 3d08h 389d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 94 26d 391d PATCH [333d]
INFO: rcu detected stall in addrconf_rs_timer (6) netfilter x86 mm 1 syz error error 552 23h31m 461d
BUG: unable to handle kernel paging request in free_unref_page mm 8 syz 2 239d 461d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm 4 C error inconclusive 621 403d 467d
WARNING in shmem_evict_inode (3) mm -1 50 2d17h 469d
INFO: rcu detected stall in sendmsg (4) net mm 1 C error 58 28d 470d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 299 6h08m 472d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 25d 481d 💬 5 [424d]
possible deadlock in gup_fast_fallback ntfs3 mm 4 C done 2729 25d 503d 💬 1 [22d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 413d 520d 💬 2 [399d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 302 1d04h 526d 💬 10 [72d]
WARNING in kunmap_local_indexed mm -1 C 2431 37d 557d
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 39 82d 563d
BUG: soft lockup in pipe_read fs mm 1 syz 5 212d 590d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 577 13d 605d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 145 12d 645d 💬 6 [641d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 380d 662d
INFO: rcu detected stall in sys_unshare (9) mm kernfs 1 C inconclusive done 54 6d15h 665d 💬 1 [13d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 421d 702d PATCH [42d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 449 3h34m 730d 💬 4 [275d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 444 5h28m 733d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo 1 C error 197 5d15h 754d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm iomap 6 691 12h48m 866d 💬 6 [22d]
WARNING in v9fs_fid_get_acl v9fs mm -1 C error error 5394 2h48m 1009d PATCH [370d]
possible deadlock in filemap_fault mm 4 C done 2917 22h08m 1037d 💬 4 [22d]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 455 9h48m 1047d 💬 1 [22d]
memory leak in xas_create mm 3 C 15 625d 1155d 💬 9 [661d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25837 5d01h 1259d 💬 2 [22d]
INFO: task hung in do_read_cache_folio kasan block mm 1 C error error 179 805d 1307d 💬 3 [792d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1481d 1834d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 198d 1851d 💬 2 [1192d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1151d 2049d 💬 2 [1942d]
moderation (50):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (10) fs mm 6 1 6d13h 6d13h
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm 6 1 8d05h 8d05h
KCSAN: data-race in mlock_folio / need_mlock_drain (8) mm 6 1 11d 11d
general protection fault in mod_objcg_mlstate cgroups mm 2 1 29d 25d
WARNING in __folio_mark_dirty (3) mm fs -1 1 30d 26d
KCSAN: data-race in page_cache_sync_ra / page_cache_sync_ra (3) fs mm 6 6 5h47m 27d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (4) fs mm 6 1 37d 37d
BUG: unable to handle kernel paging request in page_cache_ra_unbounded fs mm 8 1 43d 39d
KCSAN: data-race in __xa_clear_mark / filemap_write_and_wait_range (2) fs mm 6 1 40d 40d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) block mm 6 7 8d20h 44d
general protection fault in vma_start_read mm 2 1 54d 50d
general protection fault in dup_mmap mm 2 1 55d 51d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 2 7d05h 55d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 4 4d22h 75d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm wireless 8 2 61d 77d
KCSAN: data-race in copy_process / memcpy_and_pad mm 6 3 47d 86d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 6 2 34d 86d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 8 22h31m 107d
KCSAN: data-race in __percpu_counter_init_many / copy_mm mm 6 5 52d 109d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm -1 4 28d 129d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 30 1d07h 129d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 59 5d10h 132d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 138 5h41m 133d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 143 7h35m 133d
possible deadlock in page_cache_ra_unbounded (2) fs mm 4 3 66d 141d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 8 9d15h 144d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 6 18 12h54m 157d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 43 19h36m 158d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) mm iomap 6 31 6d06h 161d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 177 12h47m 213d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 82 5d15h 288d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 316 11h15m 290d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 85 1d04h 290d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 6 589 5h48m 291d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 67 5d23h 324d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 51 10h58m 327d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 181 7d20h 348d 💬 1 [174d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 136 8h46m 427d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 118 3d10h 428d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 93 8d21h 429d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 588 12h38m 486d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 70 6d04h 513d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 158 5d00h 516d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 1820 12h44m 637d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 mm 6 920 2d01h 1338d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1480 12h56m 1361d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 4807 12h09m 1532d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 6 1545 6d05h 1806d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4094 4h31m 2096d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2179 4h24m 2102d