[ 39.471007] ------------[ cut here ]------------ [ 39.471780] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.473518] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.474753] Modules linked in: [ 39.475244] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.476981] Tainted: [W]=WARN [ 39.477449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.478746] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.479510] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.482189] RSP: 0018:ffff888017717bc0 EFLAGS: 00010286 [ 39.483007] RAX: 0000000000000000 RBX: ffffed1002ee2f78 RCX: ffffffff813a4050 [ 39.484108] RDX: ffff888015f65340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.485176] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee2f2f [ 39.486270] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.487359] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017717df8 [ 39.488443] FS: 00007f3b905fc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.489675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.490573] CR2: 00007ffdeec42ef7 CR3: 000000000e653000 CR4: 0000000000350ef0 [ 39.491664] Call Trace: [ 39.492054] [ 39.492398] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.493142] ? __create_object+0x59/0x80 [ 39.493810] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.494627] __vmalloc_noprof+0x59/0x60 [ 39.495223] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.495963] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.496750] bpf_prog_alloc+0x39/0x200 [ 39.497330] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.498131] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.498899] do_seccomp+0x349/0x25e0 [ 39.499509] ? find_held_lock+0x2b/0x80 [ 39.500116] ? do_prlimit+0x310/0x610 [ 39.500748] ? __pfx_do_seccomp+0x10/0x10 [ 39.501376] ? do_raw_spin_unlock+0x53/0x220 [ 39.502084] ? _raw_spin_unlock+0x1e/0x40 [ 39.502745] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.503555] ? static_key_count+0x60/0x80 [ 39.504193] prctl_set_seccomp+0x4e/0x70 [ 39.504850] __do_sys_prctl+0xe6c/0x1d70 [ 39.505505] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.506193] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.507010] ? irqentry_exit+0xf3/0x650 [ 39.507651] do_syscall_64+0xbf/0x430 [ 39.508232] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.509028] RIP: 0033:0x7f3b90aee5cd [ 39.509637] 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 [ 39.512299] RSP: 002b:00007ffdeec40a50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.513443] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b90aee5cd [ 39.514541] RDX: 0000564834a79e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.515624] RBP: 00007ffdeec40ab0 R08: 0000000000000000 R09: 00007ffdeec40150 [ 39.516685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564861f732b0 [ 39.517779] R13: 00007ffdeec40ee0 R14: 0000564861f75d20 R15: 0000564861f878d0 [ 39.518873] [ 39.519227] irq event stamp: 1747 [ 39.519762] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.521050] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.522353] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 39.523673] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 39.524944] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.103747] ------------[ cut here ]------------ [ 42.104712] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.106775] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.108310] Modules linked in: [ 42.108958] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.110975] Tainted: [W]=WARN [ 42.111589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.113071] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.114014] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.117173] RSP: 0018:ffff888016a77bc0 EFLAGS: 00010286 [ 42.118192] RAX: 0000000000000000 RBX: ffffed1002d4ef78 RCX: ffffffff813a4050 [ 42.119489] RDX: ffff888019a29bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.120775] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d4ef2f [ 42.122070] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.123360] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a77df8 [ 42.124639] FS: 00007fcb88be7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.126078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.127144] CR2: 00007fff14553ef7 CR3: 000000001fdb4000 CR4: 0000000000350ef0 [ 42.128429] Call Trace: [ 42.128939] [ 42.129357] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.130271] ? __create_object+0x59/0x80 [ 42.131061] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.132041] __vmalloc_noprof+0x59/0x60 [ 42.132814] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.133704] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.134647] bpf_prog_alloc+0x39/0x200 [ 42.135340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.136277] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.137175] do_seccomp+0x349/0x25e0 [ 42.137915] ? find_held_lock+0x2b/0x80 [ 42.138697] ? do_prlimit+0x310/0x610 [ 42.139399] ? __pfx_do_seccomp+0x10/0x10 [ 42.140188] ? do_raw_spin_unlock+0x53/0x220 [ 42.141034] ? _raw_spin_unlock+0x1e/0x40 [ 42.141849] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.142820] ? static_key_count+0x60/0x80 [ 42.143622] prctl_set_seccomp+0x4e/0x70 [ 42.144354] __do_sys_prctl+0xe6c/0x1d70 [ 42.145137] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.146014] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.146991] ? irqentry_exit+0xf3/0x650 [ 42.147753] do_syscall_64+0xbf/0x430 [ 42.148443] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.149394] RIP: 0033:0x7fcb890d95cd [ 42.150120] 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 [ 42.153288] RSP: 002b:00007fff14551d40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.154537] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcb890d95cd [ 42.155319] RDX: 0000561c17805e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.156126] RBP: 00007fff14551da0 R08: 0000000000000000 R09: 00007fff14551440 [ 42.156942] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c3b9aaad0 [ 42.157764] R13: 00007fff145521d0 R14: 0000561c3b9abbc0 R15: 0000561c3b9bc780 [ 42.158563] [ 42.158756] irq event stamp: 1739 [ 42.159029] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 42.159733] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 42.160407] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 42.161113] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 42.161805] ---[ end trace 0000000000000000 ]--- [ 42.832267] ------------[ cut here ]------------ [ 42.833174] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.835225] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.836681] Modules linked in: [ 42.837265] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.839231] Tainted: [W]=WARN [ 42.839821] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.841511] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.842395] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.845594] RSP: 0018:ffff888019e07bc0 EFLAGS: 00010286 [ 42.846577] RAX: 0000000000000000 RBX: ffffed10033c0f78 RCX: ffffffff813a4050 [ 42.847865] RDX: ffff88801a881bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.849123] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033c0f2f [ 42.850405] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.851669] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e07df8 [ 42.852939] FS: 00007fa7c3391900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.854361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.855413] CR2: 00007fa7c3883580 CR3: 000000001ff45000 CR4: 0000000000350ef0 [ 42.856684] Call Trace: [ 42.857140] [ 42.857592] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.858451] ? __create_object+0x59/0x80 [ 42.859236] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.860197] __vmalloc_noprof+0x59/0x60 [ 42.860961] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.861827] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.862749] bpf_prog_alloc+0x39/0x200 [ 42.863449] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.864372] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.865252] do_seccomp+0x349/0x25e0 [ 42.865985] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.866885] ? __pfx_do_seccomp+0x10/0x10 [ 42.867675] ? find_held_lock+0x2b/0x80 [ 42.868396] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.869354] ? static_key_count+0x60/0x80 [ 42.870159] prctl_set_seccomp+0x4e/0x70 [ 42.870933] __do_sys_prctl+0xe6c/0x1d70 [ 42.871724] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.872571] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.873540] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.874516] ? irqentry_exit+0xf3/0x650 [ 42.875231] do_syscall_64+0xbf/0x430 [ 42.875981] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.876932] RIP: 0033:0x7fa7c38835cd [ 42.877643] 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 [ 42.880807] RSP: 002b:00007ffdd81656e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.882196] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7c38835cd [ 42.883495] RDX: 00005567ff816e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.884765] RBP: 00007ffdd8165740 R08: 0000000000000000 R09: 00007ffdd8164de0 [ 42.886069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556822f2ab10 [ 42.887343] R13: 00007ffdd8165b70 R14: 0000556822f2b2b0 R15: 0000556822f3f6f0 [ 42.888631] [ 42.889057] irq event stamp: 1779 [ 42.889711] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 42.891145] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 42.892390] softirqs last enabled at (1346): [] handle_softirqs+0x50c/0x770 [ 42.893651] softirqs last disabled at (1325): [] __irq_exit_rcu+0xc4/0x100 [ 42.894914] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55357' (ECDSA) to the list of known hosts. 2025/11/17 14:11:03 fuzzer started 2025/11/17 14:11:03 dialing manager at localhost:37895 2025/11/17 14:11:03 checking machine... 2025/11/17 14:11:03 checking revisions... [ 43.706269] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:11:04 testing simple program... [ 43.782833] cgroup: Unknown subsys name 'net' [ 43.830176] cgroup: Unknown subsys name 'cpuset' [ 43.840515] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:11:03 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08968 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000011c66 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a50 RIP=ffffffff81529257 RFL=00000247 [---Z-PC] 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 00007fcb88be7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fcb88bb6008 CR3=0000000016715000 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=000000000001e6f7 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe4edcb938 CR3=0000000005c8a000 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=00007faee61b2510000056308b156790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000