[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 1050.433523][ T3765] ================================================================== [ 1050.441888][ T3765] BUG: KASAN: use-after-free in idr_for_each+0x206/0x220 [ 1050.448897][ T3765] Read of size 8 at addr ffff888082058c78 by task syz-executor999/3765 [ 1050.457108][ T3765] [ 1050.459436][ T3765] CPU: 1 PID: 3765 Comm: syz-executor999 Not tainted 5.8.0-syzkaller #0 [ 1050.467827][ T3765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1050.477926][ T3765] Call Trace: [ 1050.481226][ T3765] dump_stack+0x18f/0x20d [ 1050.485562][ T3765] ? idr_for_each+0x206/0x220 [ 1050.490227][ T3765] ? idr_for_each+0x206/0x220 [ 1050.494946][ T3765] print_address_description.constprop.0.cold+0xae/0x497 [ 1050.501955][ T3765] ? radix_tree_delete_item+0xec/0x230 [ 1050.507415][ T3765] ? vprintk_func+0x97/0x1a6 [ 1050.511980][ T3765] ? idr_for_each+0x206/0x220 [ 1050.516628][ T3765] ? idr_for_each+0x206/0x220 [ 1050.521282][ T3765] kasan_report.cold+0x1f/0x37 [ 1050.526020][ T3765] ? idr_for_each+0x206/0x220 [ 1050.530836][ T3765] ? __io_poll_remove_one+0x360/0x360 [ 1050.536199][ T3765] idr_for_each+0x206/0x220 [ 1050.540679][ T3765] ? idr_find+0x50/0x50 [ 1050.544814][ T3765] ? io_timeout_fn+0x3f0/0x3f0 [ 1050.549602][ T3765] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 1050.555569][ T3765] ? trace_hardirqs_on+0x5f/0x220 [ 1050.560589][ T3765] io_ring_ctx_wait_and_kill+0x374/0x600 [ 1050.566197][ T3765] io_uring_release+0x3e/0x50 [ 1050.570872][ T3765] __fput+0x285/0x920 [ 1050.574831][ T3765] ? io_ring_ctx_wait_and_kill+0x600/0x600 [ 1050.580641][ T3765] task_work_run+0xdd/0x190 [ 1050.585144][ T3765] do_exit+0xb7d/0x29f0 [ 1050.589539][ T3765] ? lock_acquire+0x1f1/0xad0 [ 1050.594189][ T3765] ? find_held_lock+0x2d/0x110 [ 1050.598928][ T3765] ? mm_update_next_owner+0x7a0/0x7a0 [ 1050.604297][ T3765] ? get_signal+0x332/0x1ee0 [ 1050.608960][ T3765] ? lock_downgrade+0x830/0x830 [ 1050.613823][ T3765] ? lock_is_held_type+0xbb/0xf0 [ 1050.618734][ T3765] do_group_exit+0x125/0x310 [ 1050.623301][ T3765] get_signal+0x40b/0x1ee0 [ 1050.627725][ T3765] ? populate_vma_page_range+0x330/0x330 [ 1050.633392][ T3765] arch_do_signal+0x82/0x2520 [ 1050.638072][ T3765] ? vm_mmap_pgoff+0xe8/0x200 [ 1050.642739][ T3765] ? randomize_stack_top+0x100/0x100 [ 1050.647998][ T3765] ? copy_siginfo_to_user32+0xa0/0xa0 [ 1050.653370][ T3765] ? __x64_sys_futex+0x382/0x4e0 [ 1050.658315][ T3765] ? exit_to_user_mode_prepare+0xce/0x1d0 [ 1050.664018][ T3765] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 1050.669984][ T3765] exit_to_user_mode_prepare+0x172/0x1d0 [ 1050.675595][ T3765] syscall_exit_to_user_mode+0x59/0x2b0 [ 1050.681145][ T3765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1050.687009][ T3765] RIP: 0033:0x447179 [ 1050.690873][ T3765] Code: Bad RIP value. [ 1050.694911][ T3765] RSP: 002b:00007f049661dcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1050.703298][ T3765] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000447179 [ 1050.711241][ T3765] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 [ 1050.719185][ T3765] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 1050.727128][ T3765] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 1050.735074][ T3765] R13: 00007ffd1e2340df R14: 00007f049661e9c0 R15: 0000000000000001 [ 1050.743023][ T3765] [ 1050.745371][ T3765] Allocated by task 3747: [ 1050.749675][ T3765] kasan_save_stack+0x1b/0x40 [ 1050.754328][ T3765] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 1050.759931][ T3765] kmem_cache_alloc+0x138/0x3a0 [ 1050.764754][ T3765] radix_tree_node_alloc.constprop.0+0x7c/0x320 [ 1050.771003][ T3765] idr_get_free+0x4b0/0x8e0 [ 1050.775481][ T3765] idr_alloc_u32+0x170/0x2d0 [ 1050.780042][ T3765] idr_alloc_cyclic+0x102/0x230 [ 1050.784863][ T3765] __do_sys_io_uring_register+0x606/0x33f0 [ 1050.790641][ T3765] do_syscall_64+0x2d/0x70 [ 1050.795030][ T3765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1050.800887][ T3765] [ 1050.803188][ T3765] Freed by task 16: [ 1050.806969][ T3765] kasan_save_stack+0x1b/0x40 [ 1050.811619][ T3765] kasan_set_track+0x1c/0x30 [ 1050.816307][ T3765] kasan_set_free_info+0x1b/0x30 [ 1050.821219][ T3765] __kasan_slab_free+0xd8/0x120 [ 1050.826042][ T3765] kmem_cache_free.part.0+0x67/0x1f0 [ 1050.831301][ T3765] rcu_core+0x5c7/0x1190 [ 1050.835546][ T3765] __do_softirq+0x2de/0xa24 [ 1050.840212][ T3765] [ 1050.842514][ T3765] Last call_rcu(): [ 1050.846215][ T3765] kasan_save_stack+0x1b/0x40 [ 1050.850867][ T3765] kasan_record_aux_stack+0x82/0xb0 [ 1050.856039][ T3765] call_rcu+0x14f/0x7e0 [ 1050.860173][ T3765] delete_node+0x587/0x8a0 [ 1050.864569][ T3765] __radix_tree_delete+0x190/0x370 [ 1050.869657][ T3765] radix_tree_delete_item+0xe7/0x230 [ 1050.874918][ T3765] io_remove_personalities+0x1b/0xb0 [ 1050.880181][ T3765] idr_for_each+0x113/0x220 [ 1050.884659][ T3765] io_ring_ctx_wait_and_kill+0x374/0x600 [ 1050.890315][ T3765] io_uring_release+0x3e/0x50 [ 1050.894963][ T3765] __fput+0x285/0x920 [ 1050.898917][ T3765] task_work_run+0xdd/0x190 [ 1050.903392][ T3765] do_exit+0xb7d/0x29f0 [ 1050.907520][ T3765] do_group_exit+0x125/0x310 [ 1050.912081][ T3765] get_signal+0x40b/0x1ee0 [ 1050.916469][ T3765] arch_do_signal+0x82/0x2520 [ 1050.921126][ T3765] exit_to_user_mode_prepare+0x172/0x1d0 [ 1050.926729][ T3765] syscall_exit_to_user_mode+0x59/0x2b0 [ 1050.932288][ T3765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1050.938148][ T3765] [ 1050.940448][ T3765] Second to last call_rcu(): [ 1050.945011][ T3765] kasan_save_stack+0x1b/0x40 [ 1050.949661][ T3765] kasan_record_aux_stack+0x82/0xb0 [ 1050.954832][ T3765] call_rcu+0x14f/0x7e0 [ 1050.958962][ T3765] delete_node+0x587/0x8a0 [ 1050.963351][ T3765] __radix_tree_delete+0x190/0x370 [ 1050.968432][ T3765] radix_tree_delete_item+0xe7/0x230 [ 1050.973691][ T3765] io_remove_personalities+0x1b/0xb0 [ 1050.978946][ T3765] idr_for_each+0x113/0x220 [ 1050.983426][ T3765] io_ring_ctx_wait_and_kill+0x374/0x600 [ 1050.989031][ T3765] io_uring_release+0x3e/0x50 [ 1050.993677][ T3765] __fput+0x285/0x920 [ 1050.997633][ T3765] task_work_run+0xdd/0x190 [ 1051.002107][ T3765] do_exit+0xb7d/0x29f0 [ 1051.006235][ T3765] do_group_exit+0x125/0x310 [ 1051.010800][ T3765] get_signal+0x40b/0x1ee0 [ 1051.015191][ T3765] arch_do_signal+0x82/0x2520 [ 1051.019839][ T3765] exit_to_user_mode_prepare+0x172/0x1d0 [ 1051.025487][ T3765] syscall_exit_to_user_mode+0x59/0x2b0 [ 1051.031003][ T3765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1051.036862][ T3765] [ 1051.039166][ T3765] The buggy address belongs to the object at ffff888082058c40 [ 1051.039166][ T3765] which belongs to the cache radix_tree_node of size 576 [ 1051.053541][ T3765] The buggy address is located 56 bytes inside of [ 1051.053541][ T3765] 576-byte region [ffff888082058c40, ffff888082058e80) [ 1051.066694][ T3765] The buggy address belongs to the page: [ 1051.072304][ T3765] page:0000000023bf3329 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888082058ffb pfn:0x82058 [ 1051.083722][ T3765] flags: 0xfffe0000000200(slab) [ 1051.088561][ T3765] raw: 00fffe0000000200 ffffea0002080ac8 ffffea0002080cc8 ffff8880aa06f000 [ 1051.097157][ T3765] raw: ffff888082058ffb ffff888082058140 0000000100000005 0000000000000000 [ 1051.105709][ T3765] page dumped because: kasan: bad access detected [ 1051.112135][ T3765] [ 1051.114437][ T3765] Memory state around the buggy address: [ 1051.120043][ T3765] ffff888082058b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1051.128076][ T3765] ffff888082058b80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc executing program executing program executing program [ 1051.136123][ T3765] >ffff888082058c00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 1051.144164][ T3765] ^ [ 1051.152111][ T3765] ffff888082058c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1051.160185][ T3765] ffff888082058d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1051.168214][ T3765] ================================================================== [ 1051.176245][ T3765] Disabling lock debugging due to kernel taint executing program executing program [ 1051.192799][ T3765] Kernel panic - not syncing: panic_on_warn set ... [ 1051.199424][ T3765] CPU: 1 PID: 3765 Comm: syz-executor999 Tainted: G B 5.8.0-syzkaller #0 [ 1051.209124][ T3765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1051.219168][ T3765] Call Trace: [ 1051.222455][ T3765] dump_stack+0x18f/0x20d [ 1051.226789][ T3765] ? idr_for_each+0x1e0/0x220 [ 1051.231464][ T3765] panic+0x2e3/0x75c [ 1051.235354][ T3765] ? __warn_printk+0xf3/0xf3 executing program executing program executing program [ 1051.239940][ T3765] ? preempt_schedule_common+0x59/0xc0 [ 1051.245418][ T3765] ? idr_for_each+0x206/0x220 [ 1051.250147][ T3765] ? preempt_schedule_thunk+0x16/0x18 [ 1051.255536][ T3765] ? trace_hardirqs_on+0x55/0x220 [ 1051.260558][ T3765] ? idr_for_each+0x206/0x220 [ 1051.265228][ T3765] ? idr_for_each+0x206/0x220 [ 1051.269901][ T3765] end_report+0x4d/0x53 [ 1051.274058][ T3765] kasan_report.cold+0xd/0x37 [ 1051.278730][ T3765] ? idr_for_each+0x206/0x220 [ 1051.283404][ T3765] ? __io_poll_remove_one+0x360/0x360 [ 1051.288787][ T3765] idr_for_each+0x206/0x220 executing program executing program executing program executing program [ 1051.293293][ T3765] ? idr_find+0x50/0x50 [ 1051.297457][ T3765] ? io_timeout_fn+0x3f0/0x3f0 [ 1051.302217][ T3765] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 1051.308191][ T3765] ? trace_hardirqs_on+0x5f/0x220 [ 1051.313215][ T3765] io_ring_ctx_wait_and_kill+0x374/0x600 [ 1051.318855][ T3765] io_uring_release+0x3e/0x50 [ 1051.323534][ T3765] __fput+0x285/0x920 [ 1051.327640][ T3765] ? io_ring_ctx_wait_and_kill+0x600/0x600 [ 1051.333449][ T3765] task_work_run+0xdd/0x190 [ 1051.337951][ T3765] do_exit+0xb7d/0x29f0 executing program [ 1051.342110][ T3765] ? lock_acquire+0x1f1/0xad0 [ 1051.346924][ T3765] ? find_held_lock+0x2d/0x110 [ 1051.351695][ T3765] ? mm_update_next_owner+0x7a0/0x7a0 [ 1051.357066][ T3765] ? get_signal+0x332/0x1ee0 [ 1051.361753][ T3765] ? lock_downgrade+0x830/0x830 [ 1051.366608][ T3765] ? lock_is_held_type+0xbb/0xf0 [ 1051.371633][ T3765] do_group_exit+0x125/0x310 [ 1051.376229][ T3765] get_signal+0x40b/0x1ee0 [ 1051.380650][ T3765] ? populate_vma_page_range+0x330/0x330 [ 1051.386285][ T3765] arch_do_signal+0x82/0x2520 [ 1051.390976][ T3765] ? vm_mmap_pgoff+0xe8/0x200 [ 1051.395655][ T3765] ? randomize_stack_top+0x100/0x100 [ 1051.401074][ T3765] ? copy_siginfo_to_user32+0xa0/0xa0 [ 1051.406439][ T3765] ? __x64_sys_futex+0x382/0x4e0 [ 1051.411369][ T3765] ? exit_to_user_mode_prepare+0xce/0x1d0 [ 1051.417090][ T3765] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 1051.423077][ T3765] exit_to_user_mode_prepare+0x172/0x1d0 [ 1051.428708][ T3765] syscall_exit_to_user_mode+0x59/0x2b0 [ 1051.434269][ T3765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1051.440149][ T3765] RIP: 0033:0x447179 [ 1051.444043][ T3765] Code: Bad RIP value. [ 1051.448101][ T3765] RSP: 002b:00007f049661dcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1051.456503][ T3765] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000447179 [ 1051.464643][ T3765] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 [ 1051.472607][ T3765] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 1051.480665][ T3765] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 1051.488630][ T3765] R13: 00007ffd1e2340df R14: 00007f049661e9c0 R15: 0000000000000001 [ 1051.498618][ T3765] Kernel Offset: disabled [ 1051.502962][ T3765] Rebooting in 86400 seconds..