[ 55.590278][ T4647] eql: remember to turn off Van-Jacobson compression on your slave devices [ 55.858519][ T4734] ssh-keygen (4734) used greatest stack depth: 22176 bytes left Starting sshd: OK syzkaller syzkaller login: [ 71.638991][ T26] kauditd_printk_skb: 37 callbacks suppressed [ 71.639011][ T26] audit: type=1400 audit(1678640824.562:73): avc: denied { transition } for pid=5024 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 71.699028][ T26] audit: type=1400 audit(1678640824.602:74): avc: denied { write } for pid=5024 comm="sh" path="pipe:[29209]" dev="pipefs" ino=29209 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.185' (ECDSA) to the list of known hosts. 2023/03/12 17:07:15 fuzzer started [ 83.217340][ T5062] ------------[ cut here ]------------ [ 83.223024][ T5062] WARNING: CPU: 0 PID: 5062 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 83.232082][ T5062] Modules linked in: [ 83.235993][ T5062] CPU: 0 PID: 5062 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00242-g81ff855485a3 #0 [ 83.246078][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 83.256233][ T5062] RIP: 0010:c_start+0x1da/0x250 [ 83.261219][ T5062] Code: 49 11 8c e8 88 a9 51 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 72 a9 51 00 89 db e9 38 ff ff ff e8 66 a9 51 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 83 77 8e e8 d3 49 a2 00 e9 67 ff [ 83.280956][ T5062] RSP: 0018:ffffc9000335fc68 EFLAGS: 00010293 [ 83.287081][ T5062] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 83.295242][ T5062] RDX: ffff88801e902280 RSI: ffffffff813279da RDI: 0000000000000004 [ 83.303523][ T5062] RBP: ffffffff8e7783c0 R08: 0000000000000004 R09: 0000000000000007 [ 83.311575][ T5062] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888020cc9bf8 [ 83.319692][ T5062] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 83.327687][ T5062] FS: 0000000001ec53d0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 83.336696][ T5062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.343368][ T5062] CR2: 0000000000d9dd43 CR3: 00000000281e9000 CR4: 00000000003506f0 [ 83.351457][ T5062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.359529][ T5062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.367521][ T5062] Call Trace: [ 83.370867][ T5062] [ 83.373840][ T5062] seq_read_iter+0x2ca/0x12d0 [ 83.378560][ T5062] proc_reg_read_iter+0x115/0x2d0 [ 83.383781][ T5062] vfs_read+0x681/0x930 [ 83.388000][ T5062] ? kernel_read+0x1c0/0x1c0 [ 83.392683][ T5062] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 83.398398][ T5062] ? __fget_files+0x26a/0x480 [ 83.403201][ T5062] ksys_read+0x12b/0x250 [ 83.407499][ T5062] ? vfs_write+0xe10/0xe10 [ 83.412104][ T5062] ? syscall_enter_from_user_mode+0x26/0xb0 [ 83.418112][ T5062] do_syscall_64+0x39/0xb0 [ 83.422650][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 83.428623][ T5062] RIP: 0033:0x403ace [ 83.432608][ T5062] 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 [ 83.452344][ T5062] RSP: 002b:000000c000b69308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 83.460846][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 83.468937][ T5062] RDX: 0000000000001000 RSI: 000000c0004e2000 RDI: 0000000000000003 [ 83.476927][ T5062] RBP: 000000c000b69348 R08: 0000000000000000 R09: 0000000000000000 [ 83.484972][ T5062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000b69488 [ 83.493058][ T5062] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000010000000000 [ 83.501113][ T5062] [ 83.504211][ T5062] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 83.511513][ T5062] CPU: 0 PID: 5062 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00242-g81ff855485a3 #0 [ 83.521503][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 83.531585][ T5062] Call Trace: [ 83.534972][ T5062] [ 83.537914][ T5062] dump_stack_lvl+0xd9/0x150 [ 83.542533][ T5062] panic+0x688/0x730 [ 83.546536][ T5062] ? panic_smp_self_stop+0x90/0x90 [ 83.551671][ T5062] ? show_trace_log_lvl+0x285/0x390 [ 83.556904][ T5062] ? c_start+0x1da/0x250 [ 83.561203][ T5062] check_panic_on_warn+0xb1/0xc0 [ 83.566200][ T5062] __warn+0xf2/0x4f0 [ 83.570161][ T5062] ? c_start+0x1da/0x250 [ 83.574452][ T5062] report_bug+0x2da/0x500 [ 83.578844][ T5062] handle_bug+0x3c/0x70 [ 83.583065][ T5062] exc_invalid_op+0x18/0x50 [ 83.587631][ T5062] asm_exc_invalid_op+0x1a/0x20 [ 83.592529][ T5062] RIP: 0010:c_start+0x1da/0x250 [ 83.597425][ T5062] Code: 49 11 8c e8 88 a9 51 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 72 a9 51 00 89 db e9 38 ff ff ff e8 66 a9 51 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 83 77 8e e8 d3 49 a2 00 e9 67 ff [ 83.617070][ T5062] RSP: 0018:ffffc9000335fc68 EFLAGS: 00010293 [ 83.623171][ T5062] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 83.631429][ T5062] RDX: ffff88801e902280 RSI: ffffffff813279da RDI: 0000000000000004 [ 83.639436][ T5062] RBP: ffffffff8e7783c0 R08: 0000000000000004 R09: 0000000000000007 [ 83.647440][ T5062] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888020cc9bf8 [ 83.655439][ T5062] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 83.663464][ T5062] ? c_start+0x1da/0x250 [ 83.667762][ T5062] ? c_start+0x1da/0x250 [ 83.672052][ T5062] seq_read_iter+0x2ca/0x12d0 [ 83.676785][ T5062] proc_reg_read_iter+0x115/0x2d0 [ 83.681862][ T5062] vfs_read+0x681/0x930 [ 83.686057][ T5062] ? kernel_read+0x1c0/0x1c0 [ 83.690680][ T5062] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 83.696365][ T5062] ? __fget_files+0x26a/0x480 [ 83.701077][ T5062] ksys_read+0x12b/0x250 [ 83.705352][ T5062] ? vfs_write+0xe10/0xe10 [ 83.709805][ T5062] ? syscall_enter_from_user_mode+0x26/0xb0 [ 83.715764][ T5062] do_syscall_64+0x39/0xb0 [ 83.720227][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 83.726165][ T5062] RIP: 0033:0x403ace [ 83.730080][ T5062] 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 [ 83.749719][ T5062] RSP: 002b:000000c000b69308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 83.758161][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 83.766156][ T5062] RDX: 0000000000001000 RSI: 000000c0004e2000 RDI: 0000000000000003 [ 83.774152][ T5062] RBP: 000000c000b69348 R08: 0000000000000000 R09: 0000000000000000 [ 83.782147][ T5062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000b69488 [ 83.790145][ T5062] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000010000000000 [ 83.798336][ T5062] [ 83.801438][ T5062] Kernel Offset: disabled [ 83.805898][ T5062] Rebooting in 86400 seconds..