Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts.
2020/12/27 11:21:16 fuzzer started
syzkaller login: [   55.775864][ T8481] ================================================================================
[   55.785636][ T8481] UBSAN: invalid-load in kernel/params.c:302:33
[   55.792062][ T8481] load of value 255 is not a valid value for type '_Bool'
[   55.800346][ T8481] CPU: 0 PID: 8481 Comm: syz-fuzzer Not tainted 5.10.0-syzkaller #0
[   55.808488][ T8481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.818786][ T8481] Call Trace:
[   55.822270][ T8481]  dump_stack+0x107/0x163
[   55.827532][ T8481]  ubsan_epilogue+0xb/0x5a
[   55.832263][ T8481]  __ubsan_handle_load_invalid_value.cold+0x62/0x6c
[   55.839051][ T8481]  param_get_bool.cold+0x14/0x19
[   55.844145][ T8481]  param_attr_show+0x14a/0x220
[   55.848891][ T8481]  ? kernel_param_unlock+0x40/0x40
[   55.854194][ T8481]  module_attr_show+0x48/0x70
[   55.859063][ T8481]  ? func_ptr_is_kernel_text+0x80/0x80
[   55.864503][ T8481]  sysfs_kf_seq_show+0x1f8/0x400
[   55.869598][ T8481]  seq_read_iter+0x4d3/0x1220
[   55.874436][ T8481]  seq_read+0x3dd/0x5b0
[   55.878583][ T8481]  ? seq_read_iter+0x1220/0x1220
[   55.883507][ T8481]  ? lock_downgrade+0x6d0/0x6d0
[   55.888343][ T8481]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   55.894566][ T8481]  kernfs_fop_read+0xe9/0x590
[   55.899239][ T8481]  ? rw_verify_area+0x11d/0x350
[   55.904081][ T8481]  ? kernfs_vma_page_mkwrite+0x230/0x230
[   55.909802][ T8481]  vfs_read+0x1b5/0x570
[   55.914219][ T8481]  ksys_read+0x12d/0x250
[   55.918444][ T8481]  ? vfs_write+0xa80/0xa80
[   55.922842][ T8481]  ? syscall_enter_from_user_mode+0x1d/0x50
[   55.928719][ T8481]  do_syscall_64+0x2d/0x70
[   55.933115][ T8481]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.938986][ T8481] RIP: 0033:0x4b117b
[   55.942858][ T8481] Code: ff e9 69 ff ff ff cc cc cc cc cc cc cc cc cc e8 9b c2 f8 ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   55.962459][ T8481] RSP: 002b:000000c0004af738 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
[   55.970854][ T8481] RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 00000000004b117b
[   55.978810][ T8481] RDX: 0000000000001200 RSI: 000000c000373300 RDI: 0000000000000006
[   55.986762][ T8481] RBP: 000000c0004af788 R08: 0000000000000001 R09: 0000000000000002
[   55.994719][ T8481] R10: 0000000000001200 R11: 0000000000000216 R12: ffffffffffffffff
[   56.002671][ T8481] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000005
[   56.011882][ T8481] ================================================================================
[   56.021207][ T8481] Kernel panic - not syncing: panic_on_warn set ...
[   56.027768][ T8481] CPU: 1 PID: 8481 Comm: syz-fuzzer Not tainted 5.10.0-syzkaller #0
[   56.035963][ T8481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.046893][ T8481] Call Trace:
[   56.050512][ T8481]  dump_stack+0x107/0x163
[   56.055248][ T8481]  panic+0x343/0x77f
[   56.059317][ T8481]  ? __warn_printk+0xf3/0xf3
[   56.063889][ T8481]  ? ubsan_epilogue+0x3e/0x5a
[   56.068758][ T8481]  ubsan_epilogue+0x54/0x5a
[   56.073245][ T8481]  __ubsan_handle_load_invalid_value.cold+0x62/0x6c
[   56.079828][ T8481]  param_get_bool.cold+0x14/0x19
[   56.084751][ T8481]  param_attr_show+0x14a/0x220
[   56.089523][ T8481]  ? kernel_param_unlock+0x40/0x40
[   56.094733][ T8481]  module_attr_show+0x48/0x70
[   56.099622][ T8481]  ? func_ptr_is_kernel_text+0x80/0x80
[   56.105305][ T8481]  sysfs_kf_seq_show+0x1f8/0x400
[   56.110427][ T8481]  seq_read_iter+0x4d3/0x1220
[   56.115667][ T8481]  seq_read+0x3dd/0x5b0
[   56.119823][ T8481]  ? seq_read_iter+0x1220/0x1220
[   56.124765][ T8481]  ? lock_downgrade+0x6d0/0x6d0
[   56.129811][ T8481]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   56.136089][ T8481]  kernfs_fop_read+0xe9/0x590
[   56.140761][ T8481]  ? rw_verify_area+0x11d/0x350
[   56.145589][ T8481]  ? kernfs_vma_page_mkwrite+0x230/0x230
[   56.151204][ T8481]  vfs_read+0x1b5/0x570
[   56.155341][ T8481]  ksys_read+0x12d/0x250
[   56.159563][ T8481]  ? vfs_write+0xa80/0xa80
[   56.164587][ T8481]  ? syscall_enter_from_user_mode+0x1d/0x50
[   56.170620][ T8481]  do_syscall_64+0x2d/0x70
[   56.175017][ T8481]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   56.180889][ T8481] RIP: 0033:0x4b117b
[   56.184761][ T8481] Code: ff e9 69 ff ff ff cc cc cc cc cc cc cc cc cc e8 9b c2 f8 ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   56.204521][ T8481] RSP: 002b:000000c0004af738 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
[   56.212918][ T8481] RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 00000000004b117b
[   56.220866][ T8481] RDX: 0000000000001200 RSI: 000000c000373300 RDI: 0000000000000006
[   56.228813][ T8481] RBP: 000000c0004af788 R08: 0000000000000001 R09: 0000000000000002
[   56.236761][ T8481] R10: 0000000000001200 R11: 0000000000000216 R12: ffffffffffffffff
[   56.244710][ T8481] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000005
[   56.256441][ T8481] Kernel Offset: disabled
[   56.260802][ T8481] Rebooting in 86400 seconds..