[ 39.092620] ------------[ cut here ]------------ [ 39.093535] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.095492] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.096953] Modules linked in: [ 39.097597] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.099849] Tainted: [W]=WARN [ 39.100542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.102026] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.102931] 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 [ 39.106122] RSP: 0018:ffff8880179a7bc0 EFLAGS: 00010286 [ 39.107048] RAX: 0000000000000000 RBX: ffffed1002f34f78 RCX: ffffffff813a4050 [ 39.108377] RDX: ffff888017a11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.109669] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f34f2f [ 39.110953] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.112266] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179a7df8 [ 39.113552] FS: 00007f6f438ba900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.114985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.116095] CR2: 00007ffd709a4ef7 CR3: 000000000deb8000 CR4: 0000000000350ef0 [ 39.117395] Call Trace: [ 39.117863] [ 39.118326] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.119228] ? __create_object+0x59/0x80 [ 39.119988] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.120977] __vmalloc_noprof+0x59/0x60 [ 39.121744] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.122627] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.123560] bpf_prog_alloc+0x39/0x200 [ 39.124307] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.125251] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.126159] do_seccomp+0x349/0x25e0 [ 39.126833] ? find_held_lock+0x2b/0x80 [ 39.127606] ? do_prlimit+0x310/0x610 [ 39.128360] ? __pfx_do_seccomp+0x10/0x10 [ 39.129175] ? do_raw_spin_unlock+0x53/0x220 [ 39.129967] ? _raw_spin_unlock+0x1e/0x40 [ 39.130754] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.131739] ? static_key_count+0x60/0x80 [ 39.132565] prctl_set_seccomp+0x4e/0x70 [ 39.133343] __do_sys_prctl+0xe6c/0x1d70 [ 39.134123] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.134942] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.135913] ? irqentry_exit+0xf3/0x650 [ 39.136703] do_syscall_64+0xbf/0x430 [ 39.137458] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.138425] RIP: 0033:0x7f6f43dac5cd [ 39.139141] 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 [ 39.142329] RSP: 002b:00007ffd709a27f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.143699] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f43dac5cd [ 39.145029] RDX: 0000556cd2b96e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.146366] RBP: 00007ffd709a2850 R08: 0000000000000000 R09: 00007ffd709a1ef0 [ 39.147640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556ce1357ad0 [ 39.148915] R13: 00007ffd709a2c80 R14: 0000556ce1358bc0 R15: 0000556ce1369780 [ 39.150016] [ 39.150400] irq event stamp: 1875 [ 39.150903] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 39.152186] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 39.153465] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 39.154757] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 39.156019] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.392836] ------------[ cut here ]------------ [ 42.393762] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.395743] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.397205] Modules linked in: [ 42.397792] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.399762] Tainted: [W]=WARN [ 42.400361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.401824] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.404184] 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 [ 42.407449] RSP: 0018:ffff888015e0fbc0 EFLAGS: 00010286 [ 42.408447] RAX: 0000000000000000 RBX: ffffed1002bc1f78 RCX: ffffffff813a4050 [ 42.409721] RDX: ffff888015eab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.410998] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc1f2f [ 42.412289] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.413555] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e0fdf8 [ 42.414836] FS: 00007f3180514900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.416269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.417332] CR2: 00007f3180a06580 CR3: 000000001f098000 CR4: 0000000000350ef0 [ 42.418627] Call Trace: [ 42.419138] [ 42.419543] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.420457] ? __create_object+0x59/0x80 [ 42.421247] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.422211] __vmalloc_noprof+0x59/0x60 [ 42.422942] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.423818] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.424778] bpf_prog_alloc+0x39/0x200 [ 42.425492] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.426280] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.427007] do_seccomp+0x349/0x25e0 [ 42.427601] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.428361] ? __pfx_do_seccomp+0x10/0x10 [ 42.428976] ? find_held_lock+0x2b/0x80 [ 42.429605] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.430406] ? static_key_count+0x60/0x80 [ 42.431041] prctl_set_seccomp+0x4e/0x70 [ 42.431687] __do_sys_prctl+0xe6c/0x1d70 [ 42.432358] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.433035] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.433834] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.434624] ? irqentry_exit+0xf3/0x650 [ 42.435246] do_syscall_64+0xbf/0x430 [ 42.435826] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.436606] RIP: 0033:0x7f3180a065cd [ 42.437184] 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 [ 42.439806] RSP: 002b:00007ffcec271660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.440953] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3180a065cd [ 42.442028] RDX: 00005648978abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.443102] RBP: 00007ffcec2716c0 R08: 0000000000000000 R09: 00007ffcec270d60 [ 42.444182] R10: 0000000000000000 R11: 0000000000000246 R12: 00005648a7106bf0 [ 42.445239] R13: 00007ffcec271af0 R14: 00005648a7110380 R15: 00005648a711b460 [ 42.446327] [ 42.446684] irq event stamp: 2067 [ 42.447224] hardirqs last enabled at (2077): [] __up_console_sem+0x78/0x80 [ 42.448629] hardirqs last disabled at (2086): [] __up_console_sem+0x5d/0x80 [ 42.449888] softirqs last enabled at (2026): [] handle_softirqs+0x50c/0x770 [ 42.451171] softirqs last disabled at (2019): [] __irq_exit_rcu+0xc4/0x100 [ 42.452447] ---[ end trace 0000000000000000 ]--- [ 43.069502] ------------[ cut here ]------------ [ 43.070449] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.072432] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.073873] Modules linked in: [ 43.074519] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.076519] Tainted: [W]=WARN [ 43.077109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.078585] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.079492] 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 [ 43.082670] RSP: 0018:ffff88801a38fbc0 EFLAGS: 00010286 [ 43.083656] RAX: 0000000000000000 RBX: ffffed1003471f78 RCX: ffffffff813a4050 [ 43.084953] RDX: ffff888014555340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.086239] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003471f2f [ 43.087540] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.088818] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a38fdf8 [ 43.090108] FS: 00007ffb13bf6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.091534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.092607] CR2: 00007ffb140e8580 CR3: 0000000009fa9000 CR4: 0000000000350ef0 [ 43.093900] Call Trace: [ 43.094407] [ 43.094817] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.095717] ? __create_object+0x59/0x80 [ 43.096515] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.097476] __vmalloc_noprof+0x59/0x60 [ 43.098226] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.099048] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.099970] bpf_prog_alloc+0x39/0x200 [ 43.100716] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.101641] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.102545] do_seccomp+0x349/0x25e0 [ 43.103257] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.104163] ? __pfx_do_seccomp+0x10/0x10 [ 43.104906] ? find_held_lock+0x2b/0x80 [ 43.105667] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.106620] ? static_key_count+0x60/0x80 [ 43.107410] prctl_set_seccomp+0x4e/0x70 [ 43.108183] __do_sys_prctl+0xe6c/0x1d70 [ 43.108922] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.109780] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.110755] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.111729] ? irqentry_exit+0xf3/0x650 [ 43.112511] do_syscall_64+0xbf/0x430 [ 43.113259] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.114215] RIP: 0033:0x7ffb140e85cd [ 43.114881] 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 [ 43.118045] RSP: 002b:00007ffc1fc84b30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.119446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb140e85cd [ 43.120738] RDX: 0000557136dfde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.122011] RBP: 00007ffc1fc84b90 R08: 0000000000000000 R09: 00007ffc1fc84230 [ 43.123298] R10: 0000000000000000 R11: 0000000000000246 R12: 000055713c1daad0 [ 43.124595] R13: 00007ffc1fc84fc0 R14: 000055713c1dbbc0 R15: 000055713c1ec780 [ 43.125897] [ 43.126369] irq event stamp: 1753 [ 43.126975] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 43.128503] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 43.130036] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 43.131610] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 43.133005] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59859' (ECDSA) to the list of known hosts. 2025/11/19 07:14:06 fuzzer started 2025/11/19 07:14:06 dialing manager at localhost:34383 2025/11/19 07:14:06 checking machine... 2025/11/19 07:14:06 checking revisions... [ 44.009642] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:14:06 testing simple program... [ 44.097348] cgroup: Unknown subsys name 'net' [ 44.164329] cgroup: Unknown subsys name 'cpuset' [ 44.184822] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:14:05 Registers: info registers vcpu 0 RAX=0000000000046b59 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f15315f3030 CR3=000000000d419000 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=dd7877a0f8a5519efd461e9b751451a0 XMM02=0000000000302638eff9b2d0a8fce9cb XMM03=00000000003027082c67c8bc2e329bc3 XMM04=69a3bfbcb13fa46300000000000ae988 XMM05=07c8bb74b6c04a44000000000031ef08 XMM06=aeec8dcda4e3e00e0000000000318e10 XMM07=e042d86d42eb936e000000000030e810 XMM08=31f54b2868f2fb270000000000302708 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880e548f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff888016faf4f8 R8 =0000000000000001 R9 =ffff888016faf600 R10=000000000003c9ed R11=000000000002308d R12=ffffffff8135e7a2 R13=ffff888016faf608 R14=ffff888016fafdc0 R15=ffff888016faf5c0 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 00007f3180514900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f31804de008 CR3=000000001f1ab000 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