Warning: Permanently added '10.128.1.59' (ECDSA) to the list of known hosts. 2023/03/12 17:20:12 fuzzer started syzkaller login: [ 39.417537][ T5075] ------------[ cut here ]------------ [ 39.423105][ T5075] WARNING: CPU: 0 PID: 5075 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 39.432133][ T5075] Modules linked in: [ 39.436065][ T5075] CPU: 0 PID: 5075 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00242-g81ff855485a3 #0 [ 39.446105][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 39.456207][ T5075] RIP: 0010:c_start+0x1da/0x250 [ 39.461064][ T5075] Code: 99 11 8c e8 b8 88 52 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 a2 88 52 00 89 db e9 38 ff ff ff e8 96 88 52 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 45 78 8e e8 03 15 a4 00 e9 67 ff [ 39.480777][ T5075] RSP: 0018:ffffc90003edfc68 EFLAGS: 00010293 [ 39.486927][ T5075] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 39.494972][ T5075] RDX: ffff888018fd0000 RSI: ffffffff813279da RDI: 0000000000000004 [ 39.502994][ T5075] RBP: ffffffff8e7845c0 R08: 0000000000000004 R09: 0000000000000007 [ 39.511067][ T5075] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88802abb5718 [ 39.519092][ T5075] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 39.527380][ T5075] FS: 000000c0001d1c90(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 39.536355][ T5075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.543037][ T5075] CR2: 000000c00022fff8 CR3: 0000000022330000 CR4: 0000000000350ef0 [ 39.551160][ T5075] Call Trace: [ 39.554471][ T5075] [ 39.557390][ T5075] seq_read_iter+0x2ca/0x12d0 [ 39.562065][ T5075] proc_reg_read_iter+0x115/0x2d0 [ 39.567161][ T5075] vfs_read+0x681/0x930 [ 39.571343][ T5075] ? kernel_read+0x1c0/0x1c0 [ 39.576249][ T5075] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 39.581928][ T5075] ? __fget_files+0x26a/0x480 [ 39.586706][ T5075] ksys_read+0x12b/0x250 [ 39.590959][ T5075] ? vfs_write+0xe10/0xe10 [ 39.595421][ T5075] ? syscall_enter_from_user_mode+0x26/0xb0 [ 39.601342][ T5075] do_syscall_64+0x39/0xb0 [ 39.605823][ T5075] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.611748][ T5075] RIP: 0033:0x403ace [ 39.615734][ T5075] Code: 48 89 6c 24 38 48 8d 6c 24 38 e8 0d 00 00 00 48 8b 6c 24 38 48 83 c4 40 c3 cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48 [ 39.635466][ T5075] RSP: 002b:000000c0004e5308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 39.643980][ T5075] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 39.651963][ T5075] RDX: 0000000000001000 RSI: 000000c00041a000 RDI: 0000000000000003 [ 39.659986][ T5075] RBP: 000000c0004e5348 R08: 0000000000000000 R09: 0000000000000000 [ 39.668000][ T5075] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c0004e5488 [ 39.676007][ T5075] R13: 0000000000000000 R14: 000000c0000061a0 R15: 1000000000000000 [ 39.684017][ T5075] [ 39.687108][ T5075] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 39.694372][ T5075] CPU: 0 PID: 5075 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00242-g81ff855485a3 #0 [ 39.704331][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 39.714396][ T5075] Call Trace: [ 39.717661][ T5075] [ 39.720573][ T5075] dump_stack_lvl+0xd9/0x150 [ 39.725155][ T5075] panic+0x688/0x730 [ 39.729038][ T5075] ? panic_smp_self_stop+0x90/0x90 [ 39.734132][ T5075] ? show_trace_log_lvl+0x285/0x390 [ 39.739330][ T5075] ? c_start+0x1da/0x250 [ 39.743575][ T5075] check_panic_on_warn+0xb1/0xc0 [ 39.748537][ T5075] __warn+0xf2/0x4f0 [ 39.752429][ T5075] ? c_start+0x1da/0x250 [ 39.756674][ T5075] report_bug+0x2da/0x500 [ 39.761017][ T5075] handle_bug+0x3c/0x70 [ 39.765168][ T5075] exc_invalid_op+0x18/0x50 [ 39.769668][ T5075] asm_exc_invalid_op+0x1a/0x20 [ 39.774520][ T5075] RIP: 0010:c_start+0x1da/0x250 [ 39.779372][ T5075] Code: 99 11 8c e8 b8 88 52 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 a2 88 52 00 89 db e9 38 ff ff ff e8 96 88 52 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 45 78 8e e8 03 15 a4 00 e9 67 ff [ 39.798983][ T5075] RSP: 0018:ffffc90003edfc68 EFLAGS: 00010293 [ 39.805047][ T5075] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 39.813010][ T5075] RDX: ffff888018fd0000 RSI: ffffffff813279da RDI: 0000000000000004 [ 39.820975][ T5075] RBP: ffffffff8e7845c0 R08: 0000000000000004 R09: 0000000000000007 [ 39.828939][ T5075] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88802abb5718 [ 39.836899][ T5075] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 39.844876][ T5075] ? c_start+0x1da/0x250 [ 39.849135][ T5075] ? c_start+0x1da/0x250 [ 39.853382][ T5075] seq_read_iter+0x2ca/0x12d0 [ 39.858074][ T5075] proc_reg_read_iter+0x115/0x2d0 [ 39.863096][ T5075] vfs_read+0x681/0x930 [ 39.867249][ T5075] ? kernel_read+0x1c0/0x1c0 [ 39.871831][ T5075] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 39.877470][ T5075] ? __fget_files+0x26a/0x480 [ 39.882161][ T5075] ksys_read+0x12b/0x250 [ 39.886463][ T5075] ? vfs_write+0xe10/0xe10 [ 39.890884][ T5075] ? syscall_enter_from_user_mode+0x26/0xb0 [ 39.896783][ T5075] do_syscall_64+0x39/0xb0 [ 39.901193][ T5075] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.907102][ T5075] RIP: 0033:0x403ace [ 39.911037][ T5075] Code: 48 89 6c 24 38 48 8d 6c 24 38 e8 0d 00 00 00 48 8b 6c 24 38 48 83 c4 40 c3 cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48 [ 39.930659][ T5075] RSP: 002b:000000c0004e5308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 39.939076][ T5075] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 39.947052][ T5075] RDX: 0000000000001000 RSI: 000000c00041a000 RDI: 0000000000000003 [ 39.955030][ T5075] RBP: 000000c0004e5348 R08: 0000000000000000 R09: 0000000000000000 [ 39.963001][ T5075] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c0004e5488 [ 39.971032][ T5075] R13: 0000000000000000 R14: 000000c0000061a0 R15: 1000000000000000 [ 39.979101][ T5075] [ 39.982740][ T5075] Kernel Offset: disabled [ 39.987136][ T5075] Rebooting in 86400 seconds..