Warning: Permanently added '10.128.0.205' (ECDSA) to the list of known hosts.
2020/12/27 11:51:40 fuzzer started
[   53.676965][ T8455] ================================================================================
[   53.686640][ T8455] UBSAN: invalid-load in kernel/params.c:302:33
[   53.693303][ T8455] load of value 255 is not a valid value for type '_Bool'
[   53.700706][ T8455] CPU: 0 PID: 8455 Comm: syz-fuzzer Not tainted 5.10.0-syzkaller #0
[   53.708835][ T8455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.719301][ T8455] Call Trace:
[   53.722732][ T8455]  dump_stack+0x107/0x163
[   53.727242][ T8455]  ubsan_epilogue+0xb/0x5a
[   53.731637][ T8455]  __ubsan_handle_load_invalid_value.cold+0x62/0x6c
[   53.738209][ T8455]  param_get_bool.cold+0x14/0x19
[   53.743126][ T8455]  param_attr_show+0x14a/0x220
[   53.747874][ T8455]  ? kernel_param_unlock+0x40/0x40
[   53.752973][ T8455]  module_attr_show+0x48/0x70
[   53.757629][ T8455]  ? func_ptr_is_kernel_text+0x80/0x80
[   53.763064][ T8455]  sysfs_kf_seq_show+0x1f8/0x400
[   53.767985][ T8455]  seq_read_iter+0x4d3/0x1220
[   53.772654][ T8455]  seq_read+0x3dd/0x5b0
[   53.776785][ T8455]  ? seq_read_iter+0x1220/0x1220
[   53.781703][ T8455]  ? lock_downgrade+0x6d0/0x6d0
[   53.786532][ T8455]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   53.792754][ T8455]  kernfs_fop_read+0xe9/0x590
[   53.797410][ T8455]  ? rw_verify_area+0x11d/0x350
[   53.802234][ T8455]  ? kernfs_vma_page_mkwrite+0x230/0x230
[   53.807845][ T8455]  vfs_read+0x1b5/0x570
[   53.811980][ T8455]  ksys_read+0x12d/0x250
[   53.816371][ T8455]  ? vfs_write+0xa80/0xa80
[   53.820762][ T8455]  ? syscall_enter_from_user_mode+0x1d/0x50
[   53.826635][ T8455]  do_syscall_64+0x2d/0x70
[   53.831026][ T8455]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.836897][ T8455] RIP: 0033:0x4b117b
[   53.840767][ T8455] 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
[   53.860351][ T8455] RSP: 002b:000000c0004c3738 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
[   53.868740][ T8455] RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 00000000004b117b
[   53.876686][ T8455] RDX: 0000000000001200 RSI: 000000c000441300 RDI: 0000000000000006
[   53.884633][ T8455] RBP: 000000c0004c3788 R08: 0000000000000001 R09: 0000000000000002
[   53.892577][ T8455] R10: 0000000000001200 R11: 0000000000000216 R12: ffffffffffffffff
[   53.900526][ T8455] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000005
[   53.909738][ T8455] ================================================================================
[   53.919588][ T8455] Kernel panic - not syncing: panic_on_warn set ...
[   53.926339][ T8455] CPU: 0 PID: 8455 Comm: syz-fuzzer Not tainted 5.10.0-syzkaller #0
[   53.934294][ T8455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.944324][ T8455] Call Trace:
[   53.947579][ T8455]  dump_stack+0x107/0x163
[   53.952227][ T8455]  panic+0x343/0x77f
[   53.956099][ T8455]  ? __warn_printk+0xf3/0xf3
[   53.960668][ T8455]  ? ubsan_epilogue+0x3e/0x5a
[   53.965330][ T8455]  ubsan_epilogue+0x54/0x5a
[   53.969892][ T8455]  __ubsan_handle_load_invalid_value.cold+0x62/0x6c
[   53.976459][ T8455]  param_get_bool.cold+0x14/0x19
[   53.981376][ T8455]  param_attr_show+0x14a/0x220
[   53.986119][ T8455]  ? kernel_param_unlock+0x40/0x40
[   53.991208][ T8455]  module_attr_show+0x48/0x70
[   53.995863][ T8455]  ? func_ptr_is_kernel_text+0x80/0x80
[   54.001298][ T8455]  sysfs_kf_seq_show+0x1f8/0x400
[   54.006214][ T8455]  seq_read_iter+0x4d3/0x1220
[   54.010879][ T8455]  seq_read+0x3dd/0x5b0
[   54.015197][ T8455]  ? seq_read_iter+0x1220/0x1220
[   54.020206][ T8455]  ? lock_downgrade+0x6d0/0x6d0
[   54.025121][ T8455]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   54.031343][ T8455]  kernfs_fop_read+0xe9/0x590
[   54.035995][ T8455]  ? rw_verify_area+0x11d/0x350
[   54.040820][ T8455]  ? kernfs_vma_page_mkwrite+0x230/0x230
[   54.046431][ T8455]  vfs_read+0x1b5/0x570
[   54.050565][ T8455]  ksys_read+0x12d/0x250
[   54.054784][ T8455]  ? vfs_write+0xa80/0xa80
[   54.059174][ T8455]  ? syscall_enter_from_user_mode+0x1d/0x50
[   54.065046][ T8455]  do_syscall_64+0x2d/0x70
[   54.069436][ T8455]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.075307][ T8455] RIP: 0033:0x4b117b
[   54.079175][ T8455] 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
[   54.098756][ T8455] RSP: 002b:000000c0004c3738 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
[   54.107143][ T8455] RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 00000000004b117b
[   54.115089][ T8455] RDX: 0000000000001200 RSI: 000000c000441300 RDI: 0000000000000006
[   54.123032][ T8455] RBP: 000000c0004c3788 R08: 0000000000000001 R09: 0000000000000002
[   54.131156][ T8455] R10: 0000000000001200 R11: 0000000000000216 R12: ffffffffffffffff
[   54.139458][ T8455] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000005
[   54.151865][ T8455] Kernel Offset: disabled
[   54.156483][ T8455] Rebooting in 86400 seconds..