Warning: Permanently added '10.128.10.56' (ECDSA) to the list of known hosts.
2020/12/27 12:24:02 fuzzer started
[   81.552297][ T8460] ================================================================================
[   81.562081][ T8460] UBSAN: invalid-load in kernel/params.c:302:33
[   81.568424][ T8460] load of value 255 is not a valid value for type '_Bool'
[   81.575853][ T8460] CPU: 0 PID: 8460 Comm: syz-fuzzer Not tainted 5.10.0-syzkaller #0
[   81.584767][ T8460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   81.595093][ T8460] Call Trace:
[   81.598361][ T8460]  dump_stack+0x107/0x163
[   81.602724][ T8460]  ubsan_epilogue+0xb/0x5a
[   81.607125][ T8460]  __ubsan_handle_load_invalid_value.cold+0x62/0x6c
[   81.613702][ T8460]  param_get_bool.cold+0x14/0x19
[   81.618639][ T8460]  param_attr_show+0x14a/0x220
[   81.623430][ T8460]  ? kernel_param_unlock+0x40/0x40
[   81.628531][ T8460]  module_attr_show+0x48/0x70
[   81.633195][ T8460]  ? func_ptr_is_kernel_text+0x80/0x80
[   81.638638][ T8460]  sysfs_kf_seq_show+0x1f8/0x400
[   81.643591][ T8460]  seq_read_iter+0x4d3/0x1220
[   81.648264][ T8460]  seq_read+0x3dd/0x5b0
[   81.652403][ T8460]  ? seq_read_iter+0x1220/0x1220
[   81.657327][ T8460]  ? lock_downgrade+0x6d0/0x6d0
[   81.662173][ T8460]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   81.668408][ T8460]  kernfs_fop_read+0xe9/0x590
[   81.673068][ T8460]  ? rw_verify_area+0x11d/0x350
[   81.677899][ T8460]  ? kernfs_vma_page_mkwrite+0x230/0x230
[   81.683515][ T8460]  vfs_read+0x1b5/0x570
[   81.687655][ T8460]  ksys_read+0x12d/0x250
[   81.691878][ T8460]  ? vfs_write+0xa80/0xa80
[   81.696280][ T8460]  ? syscall_enter_from_user_mode+0x1d/0x50
[   81.702180][ T8460]  do_syscall_64+0x2d/0x70
[   81.706579][ T8460]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   81.712476][ T8460] RIP: 0033:0x4b117b
[   81.716360][ T8460] 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
[   81.735953][ T8460] RSP: 002b:000000c00009b738 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
[   81.744359][ T8460] RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 00000000004b117b
[   81.752344][ T8460] RDX: 0000000000001200 RSI: 000000c0002ff300 RDI: 0000000000000006
[   81.760298][ T8460] RBP: 000000c00009b788 R08: 0000000000000001 R09: 0000000000000002
[   81.768249][ T8460] R10: 0000000000001200 R11: 0000000000000216 R12: ffffffffffffffff
[   81.776200][ T8460] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000005
[   81.784736][ T8460] ================================================================================
[   81.794041][ T8460] Kernel panic - not syncing: panic_on_warn set ...
[   81.800605][ T8460] CPU: 0 PID: 8460 Comm: syz-fuzzer Not tainted 5.10.0-syzkaller #0
[   81.808560][ T8460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   81.818594][ T8460] Call Trace:
[   81.821854][ T8460]  dump_stack+0x107/0x163
[   81.826168][ T8460]  panic+0x343/0x77f
[   81.830045][ T8460]  ? __warn_printk+0xf3/0xf3
[   81.834620][ T8460]  ? ubsan_epilogue+0x3e/0x5a
[   81.839298][ T8460]  ubsan_epilogue+0x54/0x5a
[   81.843805][ T8460]  __ubsan_handle_load_invalid_value.cold+0x62/0x6c
[   81.850386][ T8460]  param_get_bool.cold+0x14/0x19
[   81.855320][ T8460]  param_attr_show+0x14a/0x220
[   81.860077][ T8460]  ? kernel_param_unlock+0x40/0x40
[   81.865182][ T8460]  module_attr_show+0x48/0x70
[   81.869848][ T8460]  ? func_ptr_is_kernel_text+0x80/0x80
[   81.875299][ T8460]  sysfs_kf_seq_show+0x1f8/0x400
[   81.880230][ T8460]  seq_read_iter+0x4d3/0x1220
[   81.885016][ T8460]  seq_read+0x3dd/0x5b0
[   81.889164][ T8460]  ? seq_read_iter+0x1220/0x1220
[   81.894100][ T8460]  ? lock_downgrade+0x6d0/0x6d0
[   81.898941][ T8460]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[   81.905183][ T8460]  kernfs_fop_read+0xe9/0x590
[   81.909867][ T8460]  ? rw_verify_area+0x11d/0x350
[   81.914723][ T8460]  ? kernfs_vma_page_mkwrite+0x230/0x230
[   81.920346][ T8460]  vfs_read+0x1b5/0x570
[   81.924510][ T8460]  ksys_read+0x12d/0x250
[   81.928743][ T8460]  ? vfs_write+0xa80/0xa80
[   81.933149][ T8460]  ? syscall_enter_from_user_mode+0x1d/0x50
[   81.939125][ T8460]  do_syscall_64+0x2d/0x70
[   81.943528][ T8460]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   81.949414][ T8460] RIP: 0033:0x4b117b
[   81.953295][ T8460] 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
[   81.972994][ T8460] RSP: 002b:000000c00009b738 EFLAGS: 00000216 ORIG_RAX: 0000000000000000
[   81.981397][ T8460] RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 00000000004b117b
[   81.989373][ T8460] RDX: 0000000000001200 RSI: 000000c0002ff300 RDI: 0000000000000006
[   81.997349][ T8460] RBP: 000000c00009b788 R08: 0000000000000001 R09: 0000000000000002
[   82.005307][ T8460] R10: 0000000000001200 R11: 0000000000000216 R12: ffffffffffffffff
[   82.013279][ T8460] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000005
[   82.025038][ T8460] Kernel Offset: disabled
[   82.029514][ T8460] Rebooting in 86400 seconds..