Warning: Permanently added '10.128.1.168' (ECDSA) to the list of known hosts. 2023/03/27 05:44:10 fuzzer started [ 31.232600][ T2456] ------------[ cut here ]------------ [ 31.238285][ T2456] WARNING: CPU: 1 PID: 2456 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 31.247277][ T2456] Modules linked in: [ 31.251224][ T2456] CPU: 1 PID: 2456 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 31.261236][ T2456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 31.271425][ T2456] RIP: 0010:c_start+0x1da/0x250 [ 31.276322][ T2456] 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 [ 31.295977][ T2456] RSP: 0018:ffffc900005c7c68 EFLAGS: 00010293 [ 31.302128][ T2456] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 31.310160][ T2456] RDX: ffff8881116dd400 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 31.318176][ T2456] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 31.326138][ T2456] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810f0075f0 [ 31.334153][ T2456] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 31.342173][ T2456] FS: 000000c0001ffc90(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 31.351168][ T2456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.357789][ T2456] CR2: 00007fbb4c413098 CR3: 000000011c965000 CR4: 00000000003506e0 [ 31.365755][ T2456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.373770][ T2456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.381781][ T2456] Call Trace: [ 31.385056][ T2456] <TASK> [ 31.388019][ T2456] seq_read_iter+0x2ca/0x12d0 [ 31.392726][ T2456] proc_reg_read_iter+0x115/0x2d0 [ 31.397793][ T2456] vfs_read+0x681/0x930 [ 31.401969][ T2456] ? kernel_read+0x1c0/0x1c0 [ 31.406552][ T2456] ? __fget_files+0x26a/0x480 [ 31.411271][ T2456] ksys_read+0x12b/0x250 [ 31.415534][ T2456] ? vfs_write+0xe10/0xe10 [ 31.419989][ T2456] ? syscall_enter_from_user_mode+0x26/0xb0 [ 31.425907][ T2456] do_syscall_64+0x39/0xb0 [ 31.430386][ T2456] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 31.436302][ T2456] RIP: 0033:0x403ace [ 31.440236][ T2456] 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 [ 31.459919][ T2456] RSP: 002b:000000c000b8f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 31.468378][ T2456] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 31.476359][ T2456] RDX: 0000000000001000 RSI: 000000c0003bc000 RDI: 0000000000000003 [ 31.484376][ T2456] RBP: 000000c000b8f348 R08: 0000000000000000 R09: 0000000000000000 [ 31.492397][ T2456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000b8f488 [ 31.500409][ T2456] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0400000000000000 [ 31.508422][ T2456] </TASK> [ 31.511433][ T2456] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 31.518695][ T2456] CPU: 1 PID: 2456 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 31.528659][ T2456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 31.538715][ T2456] Call Trace: [ 31.541997][ T2456] <TASK> [ 31.544920][ T2456] dump_stack_lvl+0xd9/0x150 [ 31.549509][ T2456] panic+0x688/0x730 [ 31.553413][ T2456] ? panic_smp_self_stop+0x90/0x90 [ 31.558512][ T2456] ? show_trace_log_lvl+0x285/0x390 [ 31.563705][ T2456] ? c_start+0x1da/0x250 [ 31.567942][ T2456] check_panic_on_warn+0xb1/0xc0 [ 31.572868][ T2456] __warn+0xf2/0x4f0 [ 31.576752][ T2456] ? c_start+0x1da/0x250 [ 31.580988][ T2456] report_bug+0x2da/0x500 [ 31.585329][ T2456] handle_bug+0x3c/0x70 [ 31.589474][ T2456] exc_invalid_op+0x18/0x50 [ 31.593965][ T2456] asm_exc_invalid_op+0x1a/0x20 [ 31.598807][ T2456] RIP: 0010:c_start+0x1da/0x250 [ 31.603657][ T2456] 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 [ 31.623261][ T2456] RSP: 0018:ffffc900005c7c68 EFLAGS: 00010293 [ 31.629318][ T2456] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 31.637277][ T2456] RDX: ffff8881116dd400 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 31.645240][ T2456] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 31.653202][ T2456] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810f0075f0 [ 31.661165][ T2456] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 31.669147][ T2456] ? c_start+0x1da/0x250 [ 31.673389][ T2456] ? c_start+0x1da/0x250 [ 31.677633][ T2456] seq_read_iter+0x2ca/0x12d0 [ 31.682316][ T2456] proc_reg_read_iter+0x115/0x2d0 [ 31.687334][ T2456] vfs_read+0x681/0x930 [ 31.691483][ T2456] ? kernel_read+0x1c0/0x1c0 [ 31.696062][ T2456] ? __fget_files+0x26a/0x480 [ 31.700731][ T2456] ksys_read+0x12b/0x250 [ 31.704966][ T2456] ? vfs_write+0xe10/0xe10 [ 31.709376][ T2456] ? syscall_enter_from_user_mode+0x26/0xb0 [ 31.715264][ T2456] do_syscall_64+0x39/0xb0 [ 31.719673][ T2456] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 31.725559][ T2456] RIP: 0033:0x403ace [ 31.729441][ T2456] 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 [ 31.749038][ T2456] RSP: 002b:000000c000b8f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 31.757451][ T2456] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 31.765418][ T2456] RDX: 0000000000001000 RSI: 000000c0003bc000 RDI: 0000000000000003 [ 31.773379][ T2456] RBP: 000000c000b8f348 R08: 0000000000000000 R09: 0000000000000000 [ 31.781353][ T2456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000b8f488 [ 31.789325][ T2456] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0400000000000000 [ 31.797299][ T2456] </TASK> [ 31.800602][ T2456] Kernel Offset: disabled [ 31.804976][ T2456] Rebooting in 86400 seconds..