Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.127186] ------------[ cut here ]------------ [ 39.127923] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.129602] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.131168] Modules linked in: [ 39.131848] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.133956] Tainted: [W]=WARN [ 39.134409] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.135619] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.136576] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.139525] RSP: 0018:ffff888016acfbc0 EFLAGS: 00010286 [ 39.140395] RAX: 0000000000000000 RBX: ffffed1002d59f78 RCX: ffffffff813a4050 [ 39.141743] RDX: ffff88800f775340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.143088] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d59f2f [ 39.144181] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.145542] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016acfdf8 [ 39.146821] FS: 00007fa16b138900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.148264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.149175] CR2: 00007fff65439ef8 CR3: 000000001b9f0000 CR4: 0000000000350ef0 [ 39.150538] Call Trace: [ 39.151078] [ 39.151524] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.152484] ? __create_object+0x59/0x80 [ 39.153326] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.154363] __vmalloc_noprof+0x59/0x60 [ 39.155174] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.156122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.157069] bpf_prog_alloc+0x39/0x200 [ 39.157835] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.158827] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.159802] do_seccomp+0x349/0x25e0 [ 39.160516] ? find_held_lock+0x2b/0x80 [ 39.161330] ? do_prlimit+0x310/0x610 [ 39.162116] ? __pfx_do_seccomp+0x10/0x10 [ 39.162958] ? do_raw_spin_unlock+0x53/0x220 [ 39.163855] ? _raw_spin_unlock+0x1e/0x40 [ 39.164635] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.165714] ? static_key_count+0x60/0x80 [ 39.166513] prctl_set_seccomp+0x4e/0x70 [ 39.167327] __do_sys_prctl+0xe6c/0x1d70 [ 39.168262] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.169190] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.170214] ? irqentry_exit+0xf3/0x650 [ 39.171026] do_syscall_64+0xbf/0x430 [ 39.171831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.172845] RIP: 0033:0x7fa16b62a5cd [ 39.173540] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.176510] RSP: 002b:00007fff65437b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.177851] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa16b62a5cd [ 39.179105] RDX: 00005619fa163e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.180384] RBP: 00007fff65437bb0 R08: 0000000000000000 R09: 00007fff65437250 [ 39.181636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a24bfb2b0 [ 39.182904] R13: 00007fff65437fe0 R14: 0000561a24bfdd20 R15: 0000561a24c0f8d0 [ 39.184182] [ 39.184595] irq event stamp: 1751 [ 39.185229] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 39.186714] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 39.188199] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 39.189445] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 39.190650] ---[ end trace 0000000000000000 ]--- [ 42.206349] ------------[ cut here ]------------ [ 42.206787] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.207755] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.208398] Modules linked in: [ 42.208926] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.209827] Tainted: [W]=WARN [ 42.210080] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.210742] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.211140] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.212586] RSP: 0018:ffff888015ad7bc0 EFLAGS: 00010286 [ 42.213076] RAX: 0000000000000000 RBX: ffffed1002b5af78 RCX: ffffffff813a4050 [ 42.213708] RDX: ffff888009b09bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.214373] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100d9c4849 [ 42.214951] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.215508] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ad7df8 [ 42.216089] FS: 00007fc0ad935900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.216733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.217199] CR2: 00007fc0ade27580 CR3: 000000001f931000 CR4: 0000000000350ef0 [ 42.217776] Call Trace: [ 42.217986] [ 42.218170] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.218553] ? __create_object+0x59/0x80 [ 42.218902] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.219316] __vmalloc_noprof+0x59/0x60 [ 42.219635] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.220029] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.220429] bpf_prog_alloc+0x39/0x200 [ 42.220757] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.221159] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.221542] do_seccomp+0x349/0x25e0 [ 42.221862] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.222247] ? __pfx_do_seccomp+0x10/0x10 [ 42.222601] ? find_held_lock+0x2b/0x80 [ 42.223008] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.223424] ? static_key_count+0x60/0x80 [ 42.223802] prctl_set_seccomp+0x4e/0x70 [ 42.224136] __do_sys_prctl+0xe6c/0x1d70 [ 42.224469] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.224851] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.225268] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.225708] ? irqentry_exit+0xf3/0x650 [ 42.226035] do_syscall_64+0xbf/0x430 [ 42.226351] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.226781] RIP: 0033:0x7fc0ade275cd [ 42.227080] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.228527] RSP: 002b:00007ffe4187b300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.229254] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0ade275cd [ 42.229832] RDX: 000055c977e8de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.230387] RBP: 00007ffe4187b360 R08: 0000000000000000 R09: 00007ffe4187aa00 [ 42.230968] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c9891e8ad0 [ 42.231527] R13: 00007ffe4187b790 R14: 000055c9891e9bc0 R15: 000055c9891fa780 [ 42.232124] [ 42.232318] irq event stamp: 1725 [ 42.232593] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 42.233281] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 42.233967] softirqs last enabled at (1562): [] handle_softirqs+0x50c/0x770 [ 42.234643] softirqs last disabled at (1555): [] __irq_exit_rcu+0xc4/0x100 [ 42.235326] ---[ end trace 0000000000000000 ]--- [ 42.867736] ------------[ cut here ]------------ [ 42.868153] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.869109] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.869776] Modules linked in: [ 42.870049] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.870965] Tainted: [W]=WARN [ 42.871219] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.871908] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.872307] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.873772] RSP: 0018:ffff8880173bfbc0 EFLAGS: 00010286 [ 42.874205] RAX: 0000000000000000 RBX: ffffed1002e77f78 RCX: ffffffff813a4050 [ 42.875210] RDX: ffff888017373780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.875818] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e77f2f [ 42.876388] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.876970] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173bfdf8 [ 42.877538] FS: 00007fdfd9366900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.878193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.878685] CR2: 00007fdfd9858580 CR3: 0000000009ec0000 CR4: 0000000000350ef0 [ 42.879259] Call Trace: [ 42.879469] [ 42.879683] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.880080] ? __create_object+0x59/0x80 [ 42.880417] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.880873] __vmalloc_noprof+0x59/0x60 [ 42.881199] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.881583] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.882013] bpf_prog_alloc+0x39/0x200 [ 42.882331] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.882748] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.883141] do_seccomp+0x349/0x25e0 [ 42.883450] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.883871] ? __pfx_do_seccomp+0x10/0x10 [ 42.884211] ? find_held_lock+0x2b/0x80 [ 42.884539] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.884974] ? static_key_count+0x60/0x80 [ 42.885319] prctl_set_seccomp+0x4e/0x70 [ 42.885650] __do_sys_prctl+0xe6c/0x1d70 [ 42.886009] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.886377] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.886812] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.887234] ? irqentry_exit+0xf3/0x650 [ 42.887563] do_syscall_64+0xbf/0x430 [ 42.887910] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.888326] RIP: 0033:0x7fdfd98585cd [ 42.888621] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.890078] RSP: 002b:00007ffd8ce832c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.890705] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd98585cd [ 42.891271] RDX: 00005566f49afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.891862] RBP: 00007ffd8ce83320 R08: 0000000000000000 R09: 00007ffd8ce829c0 [ 42.892427] R10: 0000000000000000 R11: 0000000000000246 R12: 00005567279a2ad0 [ 42.893013] R13: 00007ffd8ce83750 R14: 00005567279a3bc0 R15: 00005567279b4780 [ 42.893587] [ 42.893797] irq event stamp: 1707 [ 42.894073] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 42.894766] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 42.895438] softirqs last enabled at (1442): [] handle_softirqs+0x50c/0x770 [ 42.896148] softirqs last disabled at (1433): [] __irq_exit_rcu+0xc4/0x100 [ 42.896839] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38967' (ECDSA) to the list of known hosts. 2025/11/19 05:55:22 fuzzer started 2025/11/19 05:55:23 dialing manager at localhost:34383 2025/11/19 05:55:23 checking machine... 2025/11/19 05:55:23 checking revisions... [ 43.651722] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:55:23 testing simple program... [ 43.726374] cgroup: Unknown subsys name 'net' [ 43.780302] cgroup: Unknown subsys name 'cpuset' [ 43.794652] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:55:22 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801ae8ef58 RCX=ffffffff84bf1508 RDX=0000000000000005 RSI=ffffffff84bf152c RDI=ffff88801ae8efa5 RBP=0000000000000003 RSP=ffff88801ae8ec88 R8 =0000000000000001 R9 =ffff88800de9e20c R10=0000000000000003 R11=ffff88800de9e20c R12=dffffc0000000000 R13=0000000000000003 R14=ffff88801ae8ef70 R15=ffff88800def9a50 RIP=ffffffff84bf1551 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fc0ad935900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc0ad914020 CR3=00000000163d2000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff8880e548f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff888015c9f878 R8 =0000000000000000 R9 =0000000000000000 R10=00007f8e6456f000 R11=0000000000000003 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000cc0 RIP=ffffffff815bd14d RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8e6453a260 CR3=000000001f84a000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=756e696c2d34365f3638782f62696c2f XMM01=732e746964756162696c2f756e672d78 XMM02=00312e6f732e746964756162696c2f75 XMM03=6e672d78756e696c2d34365f3638782f XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000