Warning: Permanently added '10.128.1.137' (ECDSA) to the list of known hosts. 2023/03/27 06:45:34 fuzzer started syzkaller login: [ 29.410515][ T2454] ------------[ cut here ]------------ [ 29.411451][ T2454] WARNING: CPU: 0 PID: 2454 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 29.412926][ T2454] Modules linked in: [ 29.413531][ T2454] CPU: 0 PID: 2454 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 29.415152][ T2454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 29.416530][ T2454] RIP: 0010:c_start+0x1da/0x250 [ 29.417418][ T2454] Code: 58 55 87 e8 18 09 3e 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 02 09 3e 00 89 db e9 38 ff ff ff e8 f6 08 3e 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 bc e1 88 e8 b3 9e 72 00 e9 67 ff [ 29.420121][ T2454] RSP: 0018:ffffc900005b7c68 EFLAGS: 00010293 [ 29.421114][ T2454] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 29.422362][ T2454] RDX: ffff888110961c00 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 29.423462][ T2454] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 29.424601][ T2454] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810d5155f0 [ 29.425722][ T2454] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 29.426835][ T2454] FS: 000000c0004f4890(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 29.428257][ T2454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.429181][ T2454] CR2: 00007f05dddb7c00 CR3: 000000010e722000 CR4: 00000000003506f0 [ 29.430285][ T2454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.432114][ T2454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.440078][ T2454] Call Trace: [ 29.443415][ T2454] [ 29.446374][ T2454] seq_read_iter+0x2ca/0x12d0 [ 29.451099][ T2454] proc_reg_read_iter+0x115/0x2d0 [ 29.456159][ T2454] vfs_read+0x681/0x930 [ 29.460310][ T2454] ? kernel_read+0x1c0/0x1c0 [ 29.464923][ T2454] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 29.470576][ T2454] ? __fget_files+0x26a/0x480 [ 29.475294][ T2454] ksys_read+0x12b/0x250 [ 29.479569][ T2454] ? vfs_write+0xe10/0xe10 [ 29.484049][ T2454] ? syscall_enter_from_user_mode+0x26/0xb0 [ 29.489984][ T2454] do_syscall_64+0x39/0xb0 [ 29.494725][ T2454] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 29.500643][ T2454] RIP: 0033:0x403ace [ 29.504576][ T2454] 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 [ 29.524341][ T2454] RSP: 002b:000000c000c2f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 29.532795][ T2454] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 29.540786][ T2454] RDX: 0000000000001000 RSI: 000000c000b24000 RDI: 0000000000000003 [ 29.548800][ T2454] RBP: 000000c000c2f348 R08: 0000000000000000 R09: 0000000000000000 [ 29.556841][ T2454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c2f488 [ 29.564849][ T2454] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000010 [ 29.572857][ T2454] [ 29.575876][ T2454] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 29.583148][ T2454] CPU: 0 PID: 2454 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 29.593212][ T2454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 29.603518][ T2454] Call Trace: [ 29.606964][ T2454] [ 29.609887][ T2454] dump_stack_lvl+0xd9/0x150 [ 29.614496][ T2454] panic+0x688/0x730 [ 29.618390][ T2454] ? panic_smp_self_stop+0x90/0x90 [ 29.623494][ T2454] ? show_trace_log_lvl+0x285/0x390 [ 29.628697][ T2454] ? c_start+0x1da/0x250 [ 29.632956][ T2454] check_panic_on_warn+0xb1/0xc0 [ 29.637930][ T2454] __warn+0xf2/0x4f0 [ 29.641854][ T2454] ? c_start+0x1da/0x250 [ 29.646116][ T2454] report_bug+0x2da/0x500 [ 29.650444][ T2454] handle_bug+0x3c/0x70 [ 29.654595][ T2454] exc_invalid_op+0x18/0x50 [ 29.659105][ T2454] asm_exc_invalid_op+0x1a/0x20 [ 29.663965][ T2454] RIP: 0010:c_start+0x1da/0x250 [ 29.668901][ T2454] Code: 58 55 87 e8 18 09 3e 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 02 09 3e 00 89 db e9 38 ff ff ff e8 f6 08 3e 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 bc e1 88 e8 b3 9e 72 00 e9 67 ff [ 29.688544][ T2454] RSP: 0018:ffffc900005b7c68 EFLAGS: 00010293 [ 29.694608][ T2454] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 29.702572][ T2454] RDX: ffff888110961c00 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 29.710625][ T2454] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 29.718589][ T2454] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810d5155f0 [ 29.726552][ T2454] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 29.734516][ T2454] ? c_start+0x1da/0x250 [ 29.738764][ T2454] ? c_start+0x1da/0x250 [ 29.743003][ T2454] seq_read_iter+0x2ca/0x12d0 [ 29.747698][ T2454] proc_reg_read_iter+0x115/0x2d0 [ 29.752715][ T2454] vfs_read+0x681/0x930 [ 29.756865][ T2454] ? kernel_read+0x1c0/0x1c0 [ 29.761447][ T2454] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 29.767089][ T2454] ? __fget_files+0x26a/0x480 [ 29.771757][ T2454] ksys_read+0x12b/0x250 [ 29.775992][ T2454] ? vfs_write+0xe10/0xe10 [ 29.780398][ T2454] ? syscall_enter_from_user_mode+0x26/0xb0 [ 29.786292][ T2454] do_syscall_64+0x39/0xb0 [ 29.790700][ T2454] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 29.796587][ T2454] RIP: 0033:0x403ace [ 29.800473][ T2454] 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 [ 29.820078][ T2454] RSP: 002b:000000c000c2f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 29.828481][ T2454] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 29.836444][ T2454] RDX: 0000000000001000 RSI: 000000c000b24000 RDI: 0000000000000003 [ 29.844421][ T2454] RBP: 000000c000c2f348 R08: 0000000000000000 R09: 0000000000000000 [ 29.852381][ T2454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c2f488 [ 29.860357][ T2454] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000010 [ 29.868424][ T2454] [ 29.871635][ T2454] Kernel Offset: disabled [ 29.876106][ T2454] Rebooting in 86400 seconds..