Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts. 2023/03/27 06:57:01 fuzzer started syzkaller login: [ 30.654596][ T2455] ------------[ cut here ]------------ [ 30.660149][ T2455] WARNING: CPU: 0 PID: 2455 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 30.669281][ T2455] Modules linked in: [ 30.673229][ T2455] CPU: 0 PID: 2455 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 30.683280][ T2455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 30.693387][ T2455] RIP: 0010:c_start+0x1da/0x250 [ 30.698422][ T2455] 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 [ 30.718105][ T2455] RSP: 0018:ffffc90001437c68 EFLAGS: 00010293 [ 30.724253][ T2455] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 30.732339][ T2455] RDX: ffff888117a25400 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 30.740389][ T2455] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 30.748374][ T2455] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810c040840 [ 30.756396][ T2455] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 30.764413][ T2455] FS: 000000c0001ffc90(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 30.773392][ T2455] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.780001][ T2455] CR2: 00007fcdb1c32218 CR3: 000000011f77b000 CR4: 00000000003506f0 [ 30.788042][ T2455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.796234][ T2455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.804319][ T2455] Call Trace: [ 30.807613][ T2455] [ 30.810593][ T2455] seq_read_iter+0x2ca/0x12d0 [ 30.815311][ T2455] proc_reg_read_iter+0x115/0x2d0 [ 30.820428][ T2455] vfs_read+0x681/0x930 [ 30.824624][ T2455] ? kernel_read+0x1c0/0x1c0 [ 30.829234][ T2455] ? __fget_files+0x26a/0x480 [ 30.833983][ T2455] ksys_read+0x12b/0x250 [ 30.838261][ T2455] ? vfs_write+0xe10/0xe10 [ 30.842877][ T2455] ? syscall_enter_from_user_mode+0x26/0xb0 [ 30.848811][ T2455] do_syscall_64+0x39/0xb0 [ 30.853297][ T2455] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 30.859226][ T2455] RIP: 0033:0x403ace [ 30.863275][ T2455] 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 [ 30.882967][ T2455] RSP: 002b:000000c000c6d308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 30.891445][ T2455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 30.899440][ T2455] RDX: 0000000000001000 RSI: 000000c0003ce000 RDI: 0000000000000003 [ 30.907637][ T2455] RBP: 000000c000c6d348 R08: 0000000000000000 R09: 0000000000000000 [ 30.915714][ T2455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c6d488 [ 30.923747][ T2455] R13: 0000000000000000 R14: 000000c0000061a0 R15: 4000000000000000 [ 30.931906][ T2455] [ 30.934930][ T2455] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 30.942292][ T2455] CPU: 0 PID: 2455 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 30.952267][ T2455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 30.962340][ T2455] Call Trace: [ 30.965629][ T2455] [ 30.968552][ T2455] dump_stack_lvl+0xd9/0x150 [ 30.973147][ T2455] panic+0x688/0x730 [ 30.977047][ T2455] ? panic_smp_self_stop+0x90/0x90 [ 30.982151][ T2455] ? show_trace_log_lvl+0x285/0x390 [ 30.987366][ T2455] ? c_start+0x1da/0x250 [ 30.991622][ T2455] check_panic_on_warn+0xb1/0xc0 [ 30.996582][ T2455] __warn+0xf2/0x4f0 [ 31.000490][ T2455] ? c_start+0x1da/0x250 [ 31.004757][ T2455] report_bug+0x2da/0x500 [ 31.009111][ T2455] handle_bug+0x3c/0x70 [ 31.013292][ T2455] exc_invalid_op+0x18/0x50 [ 31.017794][ T2455] asm_exc_invalid_op+0x1a/0x20 [ 31.022642][ T2455] RIP: 0010:c_start+0x1da/0x250 [ 31.027513][ T2455] 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 [ 31.047147][ T2455] RSP: 0018:ffffc90001437c68 EFLAGS: 00010293 [ 31.053220][ T2455] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 31.061209][ T2455] RDX: ffff888117a25400 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 31.069295][ T2455] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 31.077279][ T2455] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810c040840 [ 31.085251][ T2455] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 31.093400][ T2455] ? c_start+0x1da/0x250 [ 31.097648][ T2455] ? c_start+0x1da/0x250 [ 31.101887][ T2455] seq_read_iter+0x2ca/0x12d0 [ 31.106573][ T2455] proc_reg_read_iter+0x115/0x2d0 [ 31.111589][ T2455] vfs_read+0x681/0x930 [ 31.115743][ T2455] ? kernel_read+0x1c0/0x1c0 [ 31.120345][ T2455] ? __fget_files+0x26a/0x480 [ 31.125071][ T2455] ksys_read+0x12b/0x250 [ 31.129420][ T2455] ? vfs_write+0xe10/0xe10 [ 31.134021][ T2455] ? syscall_enter_from_user_mode+0x26/0xb0 [ 31.139946][ T2455] do_syscall_64+0x39/0xb0 [ 31.144372][ T2455] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 31.150317][ T2455] RIP: 0033:0x403ace [ 31.154224][ T2455] 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 [ 31.174464][ T2455] RSP: 002b:000000c000c6d308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 31.182886][ T2455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 31.190865][ T2455] RDX: 0000000000001000 RSI: 000000c0003ce000 RDI: 0000000000000003 [ 31.198841][ T2455] RBP: 000000c000c6d348 R08: 0000000000000000 R09: 0000000000000000 [ 31.206820][ T2455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c6d488 [ 31.214795][ T2455] R13: 0000000000000000 R14: 000000c0000061a0 R15: 4000000000000000 [ 31.222767][ T2455] [ 31.225952][ T2455] Kernel Offset: disabled [ 31.230347][ T2455] Rebooting in 86400 seconds..