syzbot


Instances [tested repos]:
Name Last active Uptime Corpus Coverage 🛈 Crashes Execs Kernel build syzkaller build Bugs
Commit Config Freshness Status Commit Freshness Status All Only
ci2-upstream-kcsan-gce now 12h10m 87677 516382 1207 4139068 4871b7cb27f4 .config 16h14m 7117feec 1d10h all only
Applied filters: Manager=ci2-upstream-kcsan-gce (drop)
open (12):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in cgroup_migrate_execute / memcpy_and_pad cgroups 6 1 12d 12d 💬 1 [9d05h]
KCSAN: data-race in __htab_map_lookup_elem / bpf_lru_pop_free bpf 6 6 3d06h 39d PATCH [3d01h]
KCSAN: data-race in copy_mm / percpu_counter_destroy_many kernel 6 7 10d 68d 💬 2 [68d]
KCSAN: data-race in copy_mm / copy_page_range mm 6 3 27d 82d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm 6 4 35d 109d
KCSAN: data-race in kick_pool / wq_worker_running net 6 851 1d00h 232d 💬 1 [231d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 6 22 7d09h 257d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (5) virt 6 50 2d16h 270d 💬 1 [144d]
KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3) ext4 6 399 14h52m 351d
KCSAN: data-race in block_uevent / inc_diskseq (2) block 6 97 2d15h 395d 💬 2 [86d]
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm 6 syz 760 243d 817d 💬 21 [257d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 613 11h30m 817d 💬 6 [5d14h]
moderation (212):
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __io_prep_rw / set_task_ioprio block 6 1 1d03h 1d03h
KCSAN: data-race in data_push_tail / hex_string (4) kernel 6 1 1d15h 1d14h
KCSAN: data-race in n_tty_poll / pty_unix98_ioctl (2) serial 6 1 2d05h 2d05h
KCSAN: data-race in delete_from_page_cache_batch / filemap_write_and_wait_range (2) block 6 1 2d15h 2d15h
KCSAN: data-race in fifo_open / wait_for_partner (6) fs 6 1 4d10h 4d10h
KCSAN: data-race in generic_fillattr / setattr_copy (4) fs 6 1 4d10h 4d10h
KCSAN: data-race in inode_update_timestamps / inode_update_timestamps (4) fs 6 1 5d11h 5d11h
KCSAN: data-race in audit_log_start / audit_receive (3) audit 6 3 1d08h 6d09h
KCSAN: data-race in aio_read_events / iocb_put (12) fs 6 1 7d01h 7d01h
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 1 7d08h 7d08h
KCSAN: data-race in n_tty_flush_buffer / n_tty_lookahead_flow_ctrl (7) serial 6 2 3d05h 8d10h
KCSAN: data-race in copy_mm / vms_complete_munmap_vmas mm 6 1 8d16h 8d16h
KCSAN: data-race in d_invalidate / fast_dput (5) fs 6 1 8d16h 8d16h
KCSAN: data-race in pipe_poll / pipe_release (11) fs 6 1 9d01h 9d01h
KCSAN: data-race in copy_mm / vma_complete mm 6 1 9d14h 9d14h
KCSAN: data-race in set_console / set_console serial 6 1 9d19h 9d19h
KCSAN: data-race in _copy_to_iter / kmmpd (2) ext4 6 1 10d 10d
KCSAN: data-race in d_delete / do_coredump (2) fs 6 1 11d 11d
KCSAN: data-race in clockevents_program_event / print_tickdevice (12) kernel 6 1 12d 12d
KCSAN: data-race in generic_fillattr / inode_set_ctime_to_ts (2) fs 6 2 2d11h 13d
KCSAN: data-race in n_tty_receive_char / n_tty_write (11) serial 6 1 13d 13d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) block 6 1 13d 13d
KCSAN: data-race in ktime_get_real_seconds / timekeeping_update_from_shadow (2) kernel 6 1 14d 14d
KCSAN: data-race in __ep_eventpoll_poll / wakeup_source_report_event pm 6 21 8d02h 14d
KCSAN: data-race in _copy_to_iter / fat_set_state (12) exfat 6 2 10d 14d
KCSAN: data-race in get_tree_bdev_flags / super_cache_count (2) ext4 6 1 14d 14d
KCSAN: data-race in __process_echoes / n_tty_write (14) serial 6 1 14d 14d
KCSAN: data-race in kernfs_iop_permission / kernfs_iop_permission (8) kernfs 6 1 15d 15d
KCSAN: data-race in __bpf_lru_node_move / bpf_lru_push_free (2) bpf 6 2 10d 15d
KCSAN: data-race in __dentry_kill / d_alloc_parallel (5) fs 6 1 15d 15d
KCSAN: data-race in getrusage / try_to_unmap_one (3) mm 6 1 21d 21d
KCSAN: data-race in selinux_cred_prepare / selinux_inode_permission selinux 6 1 23d 23d
KCSAN: data-race in fat32_ent_put / fat_mirror_bhs exfat 6 1 24d 24d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (9) fs mm 6 1 24d 24d
KCSAN: data-race in io_flush_timeouts / io_issue_sqe (2) io-uring 6 1 25d 25d
KCSAN: data-race in __stop_tty / n_tty_receive_char (9) serial 6 1 25d 25d
KCSAN: data-race in __d_lookup_rcu_op_compare / __d_rehash (4) fs 6 1 25d 25d
KCSAN: data-race in __bpf_get_stackid / __bpf_get_stackid bpf 6 3 4d04h 26d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) mm fs 6 2 5d23h 27d
KCSAN: data-race in _copy_to_iter / set_overhead (3) ext4 6 1 29d 29d
KCSAN: data-race in __mem_cgroup_flush_stats / tick_do_update_jiffies64 (2) kernel 6 1 30d 30d
KCSAN: data-race in __bpf_get_stackid / bcmp bpf 6 16 3d10h 31d
KCSAN: data-race in __mmput / copy_mm mm 6 1 31d 31d
KCSAN: data-race in memchr / number (4) kernel 6 1 32d 32d
KCSAN: data-race in fat_alloc_clusters / fat_statfs (3) exfat 6 5 4d00h 32d
KCSAN: data-race in filemap_read / filemap_read (6) fs 6 57 13h53m 34d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (8) ext4 6 2 6d01h 34d
KCSAN: data-race in copy_mm / dup_mmap mm 6 1 34d 34d
KCSAN: data-race in __mark_inode_dirty / generic_buffers_fsync_noflush (3) ext4 6 1 35d 35d
KCSAN: data-race in __dentry_kill / __dentry_kill (6) fs 6 3 7d00h 35d
KCSAN: data-race in __mark_inode_dirty / inode_cgwb_move_to_attached (9) ext4 6 1 36d 36d
KCSAN: data-race in __stop_tty / pty_write_room (8) serial 6 1 36d 36d
KCSAN: data-race in memchr / string (6) audit 6 1 37d 37d
KCSAN: data-race in ppp_asynctty_receive / tty_set_termios (10) serial 6 42 6d23h 37d
KCSAN: data-race in copy_process / memcpy_and_pad mm 6 1 38d 38d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 6 1 38d 38d
KCSAN: data-race in serial8250_do_startup / serial8250_modem_status serial 6 2 19d 38d
KCSAN: data-race in fifo_open / pipe_poll fs 6 1 39d 39d
KCSAN: data-race in __dentry_kill / shrink_dentry_list (6) fs 6 2 25d 39d
KCSAN: data-race in isotp_sendmsg / isotp_sendmsg (8) can 6 1 41d 41d
KCSAN: data-race in atime_needs_update / inode_set_ctime_to_ts fs 6 1 42d 42d
KCSAN: data-race in memcpy_and_pad / release_task modules 6 28 3d00h 42d
KCSAN: data-race in file_update_time / inode_update_timestamps (4) fs 6 1 43d 43d
KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv (4) can 6 6 9d02h 43d
KCSAN: data-race in can_rcv_filter / can_rcv_filter (12) can 6 7 9d02h 44d
KCSAN: data-race in __io_arm_poll_handler / __tty_hangup (2) serial 6 1 45d 45d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 6 12 24d 45d
KCSAN: data-race in cleanup_net / synchronize_net (2) net 6 3 46d 45d
KCSAN: data-race in ip_vs_add_service / ip_vs_out_hook lvs 6 4 47d 45d
KCSAN: data-race in copy_folio_from_iter_atomic / fat16_ent_put exfat 6 29 3d13h 45d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lrus_cpu (15) ext4 6 4 9d06h 47d
KCSAN: data-race in __d_instantiate / path_openat fs 6 1 47d 47d
upstream test error: KCSAN: data-race in dont_mount / step_into fs -1 1 48d 48d
KCSAN: data-race in __kernel_write_iter / set_task_ioprio (2) block 6 1 49d 49d
KCSAN: data-race in init_file / prepare_creds fs 6 1 50d 50d
KCSAN: data-race in css_set_move_task / memcpy_and_pad cgroups 6 1 51d 51d
KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event (4) fs 6 5 7d12h 51d
KCSAN: data-race in n_tty_close / pty_close (6) serial 6 1 51d 51d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) fs mm 6 1 51d 51d
KCSAN: data-race in __d_instantiate / lookup_fast (10) fs 6 1 51d 51d
KCSAN: data-race in selinux_inode_permission / selinux_inode_permission selinux 6 91 1d10h 52d
KCSAN: data-race in sg_fill_request_table / sg_rq_end_io scsi 6 2 42d 53d
KCSAN: data-race in memcpy_and_pad / rcu_tasks_trace_pregp_step kernel 6 14 4d23h 53d
KCSAN: data-race in ep_poll_callback / ep_try_send_events fs 6 1 54d 54d
KCSAN: data-race in copy_page_from_iter_atomic / fat12_ent_put exfat 6 1 55d 55d
KCSAN: data-race in mark_buffer_dirty_inode / sync_mapping_buffers (11) exfat 6 3 26d 55d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 6 5 25d 56d
KCSAN: data-race in __io_queue_proc / io_poll_wake (4) io-uring 6 2 11d 57d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 6 3 35d 58d
KCSAN: data-race in __percpu_counter_init_many / copy_mm mm 6 5 4d10h 61d
KCSAN: data-race in serial8250_do_startup / serial8250_handle_irq (3) serial 6 4 9d09h 64d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last block 6 5 53d 66d
KCSAN: data-race in prepare_kernel_cred / prepare_kernel_cred lsm 6 4 10d 67d
KCSAN: data-race in p9_poll_workfn / p9_write_work (7) v9fs 6 2 55d 68d
upstream test error: KCSAN: data-race in dont_mount / lookup_fast fs -1 2 33d 68d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 6 2 30d 69d
KCSAN: data-race in usbdev_ioctl / usbdev_ioctl (12) usb 6 2 23d 73d
KCSAN: data-race in inode_doinit_with_dentry / inode_doinit_with_dentry (4) selinux 6 2 20d 73d
KCSAN: data-race in fat12_ent_put / fat_mirror_bhs exfat 6 24 3d00h 73d
KCSAN: data-race in blkdev_open / queue_limits_commit_update block 6 9 4d21h 76d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 6 3 34d 76d
KCSAN: data-race in __dentry_kill / step_into (9) fs 6 4 15d 76d
KCSAN: data-race in filemap_read_folio / filemap_read_folio selinux serial 6 2 33d 77d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm -1 3 21d 80d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 6 20 6d12h 81d
KCSAN: data-race in copy_page_from_iter_atomic / fat16_ent_put exfat 6 20 47d 82d
KCSAN: data-race in sg_common_write / sg_finish_rem_req (5) scsi 6 6 14d 82d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (8) mm ext4 6 3 14d 83d
KCSAN: data-race in lookup_user_key / prepare_creds lsm keyrings 6 2 31d 83d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 40 2d21h 83d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 6 85 1d13h 84d
KCSAN: data-race in _prb_read_valid / data_alloc ext4 6 111 7h05m 84d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 83 4h32m 84d
KCSAN: data-race in fat16_ent_put / fat_mirror_bhs exfat 6 204 11h16m 85d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 6 88 5h23m 85d
KCSAN: data-race in copy_page_from_iter_atomic / copy_page_from_iter_atomic ext4 6 39 47d 85d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 5 3d15h 95d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 6 3 49d 96d
KCSAN: data-race in __dentry_kill / d_set_d_op (20) fs 6 3 26d 101d
KCSAN: data-race in avc_policy_seqno / avc_ss_reset (3) selinux 6 11 4d01h 107d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 6 5 1d14h 108d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 24 8d03h 110d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap 6 24 30d 112d
KCSAN: data-race in fill_mg_cmtime / simple_rename_timestamp (2) fs 6 3 42d 117d
KCSAN: data-race in n_tty_poll / tty_set_termios (9) serial 6 7 45d 118d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 6 7 15d 121d
KCSAN: data-race in __d_rehash / fast_dput (4) fs 6 16 10d 126d
KCSAN: data-race in free_pid / zap_pid_ns_processes (7) kernel 6 11 22d 133d PATCH [82d]
KCSAN: data-race in data_push_tail / vsnprintf (9) block netfilter 6 68 17h35m 148d
KCSAN: data-race in __mark_inode_dirty / move_expired_inodes (5) ext4 6 14 26d 150d
KCSAN: data-race in hrtimer_interrupt / print_tickdevice (15) kernel 6 8 7d13h 160d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 6 94 1d13h 164d
KCSAN: data-race in copy_process / free_pid (14) kernel 6 83 4h20m 196d PATCH [82d]
KCSAN: data-race in __d_lookup / __d_rehash (9) fs 6 13 1d02h 203d
KCSAN: data-race in __stop_tty / pty_write (15) serial 6 9 14d 210d
KCSAN: data-race in drop_nlink / generic_fillattr (9) fs 6 7 43d 217d
KCSAN: data-race in rtc_dev_poll / rtc_pie_update_irq (5) rtc 6 20 11h30m 228d
KCSAN: data-race in redirty_tail_locked / vfs_fsync_range (3) ext4 6 19 2d03h 232d
KCSAN: data-race in __d_instantiate / step_into (3) fs 6 12 7d18h 233d
KCSAN: data-race in mark_buffer_dirty_inode / mark_buffer_dirty_inode (12) exfat 6 23 33d 238d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 67 6d20h 239d
KCSAN: data-race in n_tty_receive_buf_common / n_tty_write (7) serial 6 11 17d 240d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 269 4h49m 241d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 6 70 1d01h 242d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 489 11h36m 242d
KCSAN: data-race in generic_buffers_fsync_noflush / redirty_tail_locked (2) ext4 6 23 10d 243d
KCSAN: data-race in dequeue_signal / ptrace_check_attach (11) kernel 6 18 45d 246d
KCSAN: data-race in do_sendfile / do_sendfile (10) fs 6 14 1d14h 248d
KCSAN: data-race in generic_buffers_fsync_noflush / inode_cgwb_move_to_attached (2) ext4 6 30 34d 249d
KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty (5) exfat 6 126 8d00h 261d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 56 3h33m 275d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 6 46 3d08h 278d
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event (2) fs 6 33 3d12h 279d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) block 6 26 17m 280d
KCSAN: data-race in generic_fillattr / touch_atime (4) fs 6 32 1d23h 287d
KCSAN: data-race in __mark_inode_dirty / __writeback_single_inode (3) ext4 6 38 2d10h 289d
KCSAN: data-race in console_flush_all / console_flush_all ext4 6 57 1d03h 298d
KCSAN: data-race in getrusage / vms_clear_ptes mm 6 168 1d16h 299d 💬 1 [126d]
KCSAN: data-race in data_alloc / data_push_tail (3) block 6 35 4d12h 314d
KCSAN: data-race in mem_cgroup_flush_stats_ratelimited / tick_do_update_jiffies64 (2) kernel 6 329 13h14m 323d
KCSAN: data-race in __writeback_single_inode / generic_buffers_fsync_noflush (4) ext4 6 62 20d 356d
KCSAN: data-race in generic_fillattr / inode_add_bytes fs 6 99 17h42m 374d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 116 4d19h 379d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 108 6h01m 379d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 87 17h24m 381d
KCSAN: data-race in d_delete / lookup_fast (7) fs 6 70 3d10h 383d
KCSAN: data-race in pollwake / pollwake (5) fs 6 508 12h09m 389d 💬 2 [31d]
KCSAN: data-race in fasync_remove_entry / sock_wake_async (12) fs 6 30 4d10h 396d
KCSAN: data-race in __dentry_kill / fast_dput (2) fs 6 128 1d07h 413d
KCSAN: data-race in touch_atime / touch_atime (3) fs 6 325 8h44m 418d
KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc netfilter bpf 6 syz 198 239d 426d
KCSAN: data-race in __mark_inode_dirty / writeback_single_inode (8) ext4 6 269 2d03h 426d
KCSAN: data-race in vfs_fsync_range / writeback_single_inode (7) ext4 6 507 15h48m 426d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 6 514 3d12h 438d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 66 11d 464d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 139 9h28m 467d
KCSAN: data-race in vmalloc_info_show / vmalloc_info_show fs 6 643 48d 491d
KCSAN: data-race in atime_needs_update / touch_atime (2) fs 6 355 11h22m 533d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 6 119 9d20h 587d
KCSAN: data-race in do_select / pollwake (2) fs 6 1638 1d01h 588d
KCSAN: data-race in data_push_tail / number (4) block 6 103 55d 588d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 6 1629 11h36m 588d
KCSAN: data-race in atime_needs_update / inode_update_timestamps fs 6 308 7d10h 588d
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 6 440 22h44m 588d
KCSAN: data-race in hrtimer_interrupt / print_cpu (5) kernel 6 249 4h50m 589d
KCSAN: data-race in n_tty_receive_char_flow_ctrl / tty_set_termios serial 6 582 3h40m 589d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 767 4d12h 589d
KCSAN: data-race in dont_mount / lookup_fast exfat 6 syz 873 10h07m 589d
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) exfat 6 syz 978 450d 589d
KCSAN: data-race in dentry_unlink_inode / step_into fs 6 syz 1955 1d00h 589d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) block 6 143 12d 590d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 6 1148 23h20m 590d
KCSAN: data-race in wq_worker_tick / wq_worker_tick kernel 6 410 3h53m 590d
KCSAN: data-race in d_delete / step_into (6) fs 6 799 10h05m 590d
KCSAN: data-race in dont_mount / step_into isofs 6 syz 1788 22h48m 1169d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range ext4 6 897 1d00h 1290d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1405 22h46m 1313d
KCSAN: data-race in pcpu_alloc / pcpu_free_area (3) netfilter 6 syz 1402 426d 1328d
KCSAN: data-race in data_push_tail / string ext4 6 431 3d10h 1458d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 4716 10h09m 1484d
KCSAN: data-race in prandom_seed / prandom_u32 net 6 syz 612 1152d 1571d
KCSAN: data-race in data_alloc / prb_reserve net 6 1108 5h20m 1577d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 6 3678 2d22h 1713d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1527 2d20h 1758d
KCSAN: data-race in do_sys_poll / pollwake fs 6 5309 1d01h 1827d
KCSAN: data-race in exit_mm / mm_update_next_owner kernel 6 syz 3548 362d 1841d
KCSAN: data-race in alloc_pid / copy_process (2) kernel 6 3136 12h03m 1866d PATCH [82d]
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 84d 1993d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 6 4086 2d17h 2047d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2066 1d01h 2053d
KCSAN: data-race in pcpu_alloc / pcpu_block_update_hint_alloc bpf netfilter 6 syz 1228 427d 2081d
corrupted report (2) mm -1 949477 now 2656d