Warning: Permanently added '10.128.1.102' (ECDSA) to the list of known hosts. 2023/03/27 06:18:31 fuzzer started syzkaller login: [ 30.634960][ T2453] ------------[ cut here ]------------ [ 30.640601][ T2453] WARNING: CPU: 1 PID: 2453 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 30.649679][ T2453] Modules linked in: [ 30.653586][ T2453] CPU: 1 PID: 2453 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 30.663607][ T2453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 30.673685][ T2453] RIP: 0010:c_start+0x1da/0x250 [ 30.678602][ T2453] 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 [ 30.698268][ T2453] RSP: 0018:ffffc90000537c68 EFLAGS: 00010293 [ 30.704353][ T2453] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 30.712360][ T2453] RDX: ffff888113770000 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 30.720383][ T2453] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 30.728403][ T2453] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810e352a90 [ 30.736535][ T2453] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 30.744534][ T2453] FS: 000000c0001d9c90(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 30.753502][ T2453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.760155][ T2453] CR2: 00007fb6c10e8498 CR3: 00000001099f7000 CR4: 00000000003506e0 [ 30.768216][ T2453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.776212][ T2453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.784242][ T2453] Call Trace: [ 30.787565][ T2453] <TASK> [ 30.790505][ T2453] seq_read_iter+0x2ca/0x12d0 [ 30.795187][ T2453] proc_reg_read_iter+0x115/0x2d0 [ 30.800281][ T2453] vfs_read+0x681/0x930 [ 30.804533][ T2453] ? kernel_read+0x1c0/0x1c0 [ 30.809213][ T2453] ? __fget_files+0x26a/0x480 [ 30.813931][ T2453] ksys_read+0x12b/0x250 [ 30.818210][ T2453] ? vfs_write+0xe10/0xe10 [ 30.822649][ T2453] ? syscall_enter_from_user_mode+0x26/0xb0 [ 30.828610][ T2453] do_syscall_64+0x39/0xb0 [ 30.833044][ T2453] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 30.838977][ T2453] RIP: 0033:0x403ace [ 30.842887][ T2453] 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 [ 30.862555][ T2453] RSP: 002b:000000c000c0f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 30.871028][ T2453] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 30.879068][ T2453] RDX: 0000000000001000 RSI: 000000c0004f6000 RDI: 0000000000000003 [ 30.887097][ T2453] RBP: 000000c000c0f348 R08: 0000000000000000 R09: 0000000000000000 [ 30.895087][ T2453] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c0f488 [ 30.903102][ T2453] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000001 [ 30.911134][ T2453] </TASK> [ 30.914158][ T2453] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 30.921422][ T2453] CPU: 1 PID: 2453 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 30.931384][ T2453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 30.941426][ T2453] Call Trace: [ 30.944710][ T2453] <TASK> [ 30.947648][ T2453] dump_stack_lvl+0xd9/0x150 [ 30.952236][ T2453] panic+0x688/0x730 [ 30.956121][ T2453] ? panic_smp_self_stop+0x90/0x90 [ 30.961221][ T2453] ? show_trace_log_lvl+0x285/0x390 [ 30.966416][ T2453] ? c_start+0x1da/0x250 [ 30.970659][ T2453] check_panic_on_warn+0xb1/0xc0 [ 30.975591][ T2453] __warn+0xf2/0x4f0 [ 30.979492][ T2453] ? c_start+0x1da/0x250 [ 30.983753][ T2453] report_bug+0x2da/0x500 [ 30.988077][ T2453] handle_bug+0x3c/0x70 [ 30.992227][ T2453] exc_invalid_op+0x18/0x50 [ 30.996719][ T2453] asm_exc_invalid_op+0x1a/0x20 [ 31.001564][ T2453] RIP: 0010:c_start+0x1da/0x250 [ 31.006426][ T2453] 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 [ 31.026111][ T2453] RSP: 0018:ffffc90000537c68 EFLAGS: 00010293 [ 31.032177][ T2453] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 31.040156][ T2453] RDX: ffff888113770000 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 31.048119][ T2453] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 31.056080][ T2453] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810e352a90 [ 31.064143][ T2453] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 31.072105][ T2453] ? c_start+0x1da/0x250 [ 31.076351][ T2453] ? c_start+0x1da/0x250 [ 31.080587][ T2453] seq_read_iter+0x2ca/0x12d0 [ 31.085263][ T2453] proc_reg_read_iter+0x115/0x2d0 [ 31.090278][ T2453] vfs_read+0x681/0x930 [ 31.094439][ T2453] ? kernel_read+0x1c0/0x1c0 [ 31.099021][ T2453] ? __fget_files+0x26a/0x480 [ 31.103710][ T2453] ksys_read+0x12b/0x250 [ 31.107960][ T2453] ? vfs_write+0xe10/0xe10 [ 31.112393][ T2453] ? syscall_enter_from_user_mode+0x26/0xb0 [ 31.118384][ T2453] do_syscall_64+0x39/0xb0 [ 31.122800][ T2453] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 31.128687][ T2453] RIP: 0033:0x403ace [ 31.132572][ T2453] 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 [ 31.152172][ T2453] RSP: 002b:000000c000c0f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 31.160579][ T2453] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 31.168542][ T2453] RDX: 0000000000001000 RSI: 000000c0004f6000 RDI: 0000000000000003 [ 31.176516][ T2453] RBP: 000000c000c0f348 R08: 0000000000000000 R09: 0000000000000000 [ 31.184489][ T2453] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c0f488 [ 31.192451][ T2453] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000001 [ 31.200413][ T2453] </TASK> [ 31.203586][ T2453] Kernel Offset: disabled [ 31.207981][ T2453] Rebooting in 86400 seconds..