Warning: Permanently added '10.128.0.170' (ECDSA) to the list of known hosts.
2020/12/27 12:02:06 fuzzer started
syzkaller login: [   53.240846][ T8443] ================================================================================
[   53.251246][ T8443] UBSAN: invalid-load in kernel/params.c:302:33
[   53.259292][ T8443] load of value 255 is not a valid value for type '_Bool'
[   53.266451][ T8443] CPU: 0 PID: 8443 Comm: syz-fuzzer Not tainted 5.10.0-syzkaller #0
[   53.274730][ T8443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.284766][ T8443] Call Trace:
[   53.288245][ T8443]  dump_stack+0x107/0x163
[   53.293103][ T8443]  ubsan_epilogue+0xb/0x5a
[   53.298358][ T8443]  __ubsan_handle_load_invalid_value.cold+0x62/0x6c
[   53.305046][ T8443]  param_get_bool.cold+0x14/0x19
[   53.309976][ T8443]  param_attr_show+0x14a/0x220
[   53.314930][ T8443]  ? kernel_param_unlock+0x40/0x40
[   53.320026][ T8443]  module_attr_show+0x48/0x70
[   53.324705][ T8443]  ? func_ptr_is_kernel_text+0x80/0x80
[   53.330144][ T8443]  sysfs_kf_seq_show+0x1f8/0x400
[   53.335066][ T8443]  seq_read_iter+0x4d3/0x1220
[   53.339823][ T8443]  seq_read+0x3dd/0x5b0
[   53.343962][ T8443]  ? seq_read_iter+0x1220/0x1220
[   53.348886][ T8443]  ? lock_downgrade+0x6d0/0x6d0
[   53.353725][ T8443]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   53.359954][ T8443]  kernfs_fop_read+0xe9/0x590
[   53.364617][ T8443]  ? rw_verify_area+0x11d/0x350
[   53.369448][ T8443]  ? kernfs_vma_page_mkwrite+0x230/0x230
[   53.375063][ T8443]  vfs_read+0x1b5/0x570
[   53.379203][ T8443]  ksys_read+0x12d/0x250
[   53.383442][ T8443]  ? vfs_write+0xa80/0xa80
[   53.387839][ T8443]  ? syscall_enter_from_user_mode+0x1d/0x50
[   53.393723][ T8443]  do_syscall_64+0x2d/0x70
[   53.398142][ T8443]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.404019][ T8443] RIP: 0033:0x4b117b
[   53.407896][ T8443] 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
[   53.427511][ T8443] RSP: 002b:000000c0000a7738 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
[   53.435911][ T8443] RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 00000000004b117b
[   53.443863][ T8443] RDX: 0000000000001200 RSI: 000000c000431300 RDI: 0000000000000006
[   53.451815][ T8443] RBP: 000000c0000a7788 R08: 0000000000000001 R09: 0000000000000002
[   53.459772][ T8443] R10: 0000000000001200 R11: 0000000000000216 R12: ffffffffffffffff
[   53.467725][ T8443] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000005
[   53.477018][ T8443] ================================================================================
[   53.486305][ T8443] Kernel panic - not syncing: panic_on_warn set ...
[   53.492877][ T8443] CPU: 0 PID: 8443 Comm: syz-fuzzer Not tainted 5.10.0-syzkaller #0
[   53.500862][ T8443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.511047][ T8443] Call Trace:
[   53.514637][ T8443]  dump_stack+0x107/0x163
[   53.519524][ T8443]  panic+0x343/0x77f
[   53.523408][ T8443]  ? __warn_printk+0xf3/0xf3
[   53.528248][ T8443]  ? ubsan_epilogue+0x3e/0x5a
[   53.532914][ T8443]  ubsan_epilogue+0x54/0x5a
[   53.537398][ T8443]  __ubsan_handle_load_invalid_value.cold+0x62/0x6c
[   53.543973][ T8443]  param_get_bool.cold+0x14/0x19
[   53.548893][ T8443]  param_attr_show+0x14a/0x220
[   53.553726][ T8443]  ? kernel_param_unlock+0x40/0x40
[   53.558820][ T8443]  module_attr_show+0x48/0x70
[   53.563565][ T8443]  ? func_ptr_is_kernel_text+0x80/0x80
[   53.569014][ T8443]  sysfs_kf_seq_show+0x1f8/0x400
[   53.573936][ T8443]  seq_read_iter+0x4d3/0x1220
[   53.578605][ T8443]  seq_read+0x3dd/0x5b0
[   53.582762][ T8443]  ? seq_read_iter+0x1220/0x1220
[   53.587690][ T8443]  ? lock_downgrade+0x6d0/0x6d0
[   53.592539][ T8443]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   53.598767][ T8443]  kernfs_fop_read+0xe9/0x590
[   53.603444][ T8443]  ? rw_verify_area+0x11d/0x350
[   53.608276][ T8443]  ? kernfs_vma_page_mkwrite+0x230/0x230
[   53.613891][ T8443]  vfs_read+0x1b5/0x570
[   53.618033][ T8443]  ksys_read+0x12d/0x250
[   53.622258][ T8443]  ? vfs_write+0xa80/0xa80
[   53.626654][ T8443]  ? syscall_enter_from_user_mode+0x1d/0x50
[   53.632546][ T8443]  do_syscall_64+0x2d/0x70
[   53.636943][ T8443]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.642826][ T8443] RIP: 0033:0x4b117b
[   53.646701][ T8443] 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
[   53.666399][ T8443] RSP: 002b:000000c0000a7738 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
[   53.674800][ T8443] RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 00000000004b117b
[   53.682759][ T8443] RDX: 0000000000001200 RSI: 000000c000431300 RDI: 0000000000000006
[   53.690715][ T8443] RBP: 000000c0000a7788 R08: 0000000000000001 R09: 0000000000000002
[   53.698672][ T8443] R10: 0000000000001200 R11: 0000000000000216 R12: ffffffffffffffff
[   53.706630][ T8443] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000005
[   53.718152][ T8443] Kernel Offset: disabled
[   53.722649][ T8443] Rebooting in 86400 seconds..