syzbot

 sign-in | mailing list | source | docs
🐞 Open [1581]
≡ Subsystems
🐞 Fixed [6387]
🐞 Invalid [16263]
⬇ Missing Backports [196]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (117):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in lock_next_vma mm 3 6h04m 2d06h
INFO: rcu detected stall in wb_workfn (4) mm 30 6d23h 2d23h
WARNING: lock held when returning to user space in lock_next_vma mm C done 2 1d03h 5d18h 💬 11 [3d07h]
stack segment fault in mtree_range_walk mm C done 6 16h39m 5d18h 💬 1 [5d12h]
WARNING in move_to_new_folio (2) mm C 142 1h17m 5d18h 💬 1 [5d18h]
WARNING in path_noexec mm fs C done 4479 14m 7d01h PATCH [6d05h]
WARNING in xfs_init_fs_context mm 4 10d 14d 💬 8 [6d02h]
INFO: rcu detected stall in exit_to_user_mode_loop mm syz 59 8h09m 22d
WARNING: bad unlock balance in move_pgt_entry mm C done 8 27d 27d 💬 1 [26d]
possible deadlock in upgrade_mmap_lock_carefully (2) ntfs3 mm C error 6 18d 35d PATCH [4d22h]
INFO: rcu detected stall in sys_unlinkat (3) mm 31 12d 37d
BUG: soft lockup in sys_sendmsg (2) scsi mm block 8 10d 39d
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 1 47d 41d
WARNING: bad unlock balance in copy_process mm 3 28d 44d
INFO: rcu detected stall in vm_area_alloc (6) mm syz error 3 21d 45d
possible deadlock in __vma_start_write mm 1 49d 45d 💬 10 [39d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 23 5d08h 50d 💬 1 [15d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm syz error 36 1d20h 60d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) ext4 mm C error 2 36d 63d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm syz error 6 25d 70d
INFO: rcu detected stall in nsim_fib_event_work mm C error 3 19d 73d
BUG: Bad page state in page_cache_ra_order mm C 18 2d23h 73d
KCSAN: data-race in copy_mm / copy_page_range mm 3 22d 77d
INFO: task hung in exit_mmap (2) mm C done error 10 6h26m 80d
kernel BUG in __filemap_add_folio fs mm C done 118 5h20m 80d
BUG: soft lockup in sys_bpf mm 18 21h15m 82d
INFO: task hung in page_cache_ra_order fs mm C done 33 3h30m 82d 💬 1 [82d]
BUG: sleeping function called from invalid context in emon mm 1 99d 95d
BUG: soft lockup in cfg80211_wext_siwfreq mm kasan 2 47d 98d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 4 30d 104d
INFO: rcu detected stall in clone (7) mm 47 1d14h 109d
general protection fault in xas_create bcachefs mm syz 2 70d 119d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 118d 133d 💬 12 [120d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm mm cgroups C 2 70d 134d
WARNING in get_dump_page ext4 mm C done error 5 124d 138d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 129d 149d 💬 2 [149d]
INFO: task hung in rmap_walk_file mm C error 19 27d 157d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 143d 157d 💬 2 [149d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 16 11d 157d
INFO: rcu detected stall in sys_mkdir (9) ext4 mm syz done 2 32d 170d
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 17 43d 191d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 8 46d 194d 💬 1 [194d]
INFO: task hung in hugetlbfs_zero_partial_page mm fs syz done 3 23d 204d
INFO: rcu detected stall in sys_mkdirat (2) mm 44 8d15h 209d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 62d 213d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 13 10d 215d 💬 26 [49d]
INFO: rcu detected stall in mas_preallocate (2) mm syz done 7 7d16h 217d 💬 6 [126d]
INFO: rcu detected stall in sys_umount (3) mm syz done 39 16d 218d
possible deadlock in balance_pgdat (2) scsi mm C 4 187d 221d 💬 1 [178d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 64 11h55m 222d
INFO: rcu detected stall in sys_sendmmsg (7) mm tipc 77 13h25m 225d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm C 44 1d06h 230d 💬 7 [5h20m]
INFO: rcu detected stall in sys_mmap (3) mm C error 23 2d09h 230d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 30 1d21h 231d
BUG: corrupted list in list_lru_add mm syz 13 2d17h 234d
INFO: rcu detected stall in security_file_ioctl (9) tomoyo mm 75 5d22h 234d
BUG: Bad page state in iomap_write_begin xfs mm C 265 1d18h 236d 💬 4 [18d]
kernel BUG in resv_map_release (3) mm C 18 13d 244d 💬 1 [244d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 96 4d05h 245d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 22 2d00h 252d
INFO: rcu detected stall in brk (2) mm syz 2 193d 255d 💬 8 [255d]
INFO: rcu detected stall in kthreadd (2) mm C unreliable 75 15d 257d
WARNING in get_taint (2) mm C 363 230d 261d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 31 19d 269d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 141d 270d 💬 1 [270d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 91d 271d
INFO: rcu detected stall in vma_link_file mm usb input syz 1 276d 272d 💬 6 [271d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 76 18h12m 276d
WARNING in vms_complete_munmap_vmas mm C 2396 33d 278d 💬 1 [31d]
WARNING in page_counter_cancel (5) mm C 15 59d 282d 💬 1 [281d]
INFO: rcu detected stall in kjournald2 (2) mm C error error 72 21d 284d
INFO: rcu detected stall in vhci_release mm syz done done 12 71d 289d
INFO: rcu detected stall in shmem_fault (6) mm C 124 1d13h 297d PATCH [280d]
INFO: rcu detected stall in sys_execve (6) mm syz done 52 7d08h 300d
INFO: rcu detected stall in x64_sys_call mm syz error 321 3h27m 307d
BUG: corrupted list in add_to_unbuddied mm syz 43 114d 308d 💬 4 [269d]
KMSAN: uninit-value in sw842_compress mm C 65 22d 309d 💬 3 [242d]
INFO: task hung in hugetlb_fault mm C done 65 26d 310d 💬 2 [275d]
kernel BUG in z3fold_page_migrate mm syz 354 108d 313d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3641 7d01h 315d 💬 1 [5h20m]
INFO: task hung in hugetlb_wp mm C done inconclusive 94 140d 332d
INFO: rcu detected stall in kcov_close mm 117 18h50m 336d
kernel panic: System is deadlocked on memory (2) mm 46 7d14h 336d
INFO: rcu detected stall in vm_mmap_pgoff mm 92 5d21h 337d PATCH [280d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 185d 408d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 350d 413d
WARNING in shmem_evict_inode (3) mm 43 9d18h 415d
INFO: rcu detected stall in sys_sendto (7) mm net C error 278 1d14h 418d
BUG: Bad rss-counter state (5) bcachefs mm C done 2365 1d05h 427d 💬 3 [5h20m]
INFO: rcu detected stall in validate_mm (3) mm C error 35 2d14h 428d 💬 5 [370d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2554 7h30m 449d 💬 1 [5h20m]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 359d 466d 💬 2 [345d]
INFO: rcu detected stall in sys_clone (8) mm C error 281 4h58m 472d 💬 10 [18d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 102d 491d 💬 3 [346d]
WARNING in kunmap_local_indexed mm C 2135 7h18m 503d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 28d 509d
BUG: soft lockup in pipe_read fs mm syz 5 159d 536d
INFO: task hung in _vm_unmap_aliases (3) mm C 570 2d20h 551d
INFO: rcu detected stall in dput (8) mm C done 405 3h18m 560d
INFO: rcu detected stall in sys_socket (10) mm C done 127 45m 591d 💬 6 [587d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 326d 608d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 45 13d 611d 💬 1 [124d]
INFO: rcu detected stall in worker_thread (9) mm netfilter C done 3830 2h59m 645d PATCH [639d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 368d 648d
kernel BUG in filemap_unaccount_folio mm C done error 398 17h09m 676d 💬 4 [221d]
INFO: rcu detected stall in sys_openat (3) mm C error 417 1d01h 680d
INFO: rcu detected stall in sys_unlink (3) mm tomoyo C error 187 10d 700d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 237d 812d 💬 21 [251d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 607 14h56m 812d 💬 6 [5h20m]
possible deadlock in filemap_fault mm C done 2882 1h27m 983d 💬 4 [5h20m]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 430 7d08h 993d 💬 1 [335d]
memory leak in xas_create mm C 15 571d 1101d 💬 9 [607d]
WARNING in ext4_dirty_folio mm C inconclusive done 25826 3d23h 1205d 💬 2 [5h20m]
INFO: task hung in do_read_cache_folio mm block kasan C error error 179 751d 1253d 💬 3 [738d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 1427d 1780d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 145d 1797d 💬 2 [1138d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1097d 1995d 💬 2 [1889d]
moderation (57):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 1 1d23h 1d23h
KCSAN: data-race in copy_mm / vms_complete_munmap_vmas mm 1 3d07h 3d07h
KCSAN: data-race in copy_mm / vma_complete mm 1 4d05h 4d05h
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 1 15d 15d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 1 19d 19d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 2 14h03m 21d
BUG: unable to handle kernel paging request in handle_softirqs (2) mm 2 7d06h 23d
WARNING: kernel/workqueue.c:LINE at __queue_work, CPU: syz.NUM.NUM/NUM mm 1 27d 23d
KCSAN: data-race in __mmput / copy_mm mm 1 26d 26d
KCSAN: data-race in copy_mm / dup_mmap mm 1 29d 29d
KCSAN: data-race in copy_process / memcpy_and_pad mm 1 32d 32d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 1 32d 32d
kernel panic: stack is corrupted in shmem_undo_range mm 1 40d 36d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 1 46d 46d
general protection fault in asm_sysvec_reschedule_ipi mm fs 1 50d 46d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 5 19d 50d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 3 30d 53d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 54d 54d
KCSAN: data-race in __percpu_counter_init_many / copy_mm ext4 mm 4 22d 55d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 2 24d 64d
KMSAN: uninit-value in __folio_cancel_dirty mm fs 1 71d 67d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 3 28d 71d
BUG: soft lockup in dev_ioctl (2) mm 4 12d 72d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm 3 16d 75d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 20 1d03h 76d
general protection fault in lru_gen_test_recent mm 2 64d 76d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 3 8d19h 77d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 38 1d02h 78d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 76 13h25m 79d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 84 1d12h 80d
possible deadlock in page_cache_ra_unbounded (2) fs mm 3 12d 87d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 4 16h19m 90d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 3 44d 91d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 54d 103d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 24 2d18h 104d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 7 10d 116d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 92 14h54m 159d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 67 1d11h 234d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 264 13h44m 236d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 67 17d 236d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 484 14h55m 237d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 54 6h52m 270d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 45 1d03h 273d
KCSAN: data-race in getrusage / vms_clear_ptes mm 164 2d16h 294d 💬 1 [121d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 115 1d20h 373d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 106 10h53m 374d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 84 6d12h 376d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 513 9h43m 433d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 66 6d02h 459d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 137 3h35m 462d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1610 1h11m 583d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1398 1d11h 1307d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 4709 1h34m 1478d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1526 16d 1753d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4085 4d21h 2042d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 2059 14h57m 2048d
corrupted report (2) mm 945711 now 2651d