[ 38.924061] ------------[ cut here ]------------ [ 38.924991] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.927024] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.928480] Modules linked in: [ 38.929099] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.931125] Tainted: [W]=WARN [ 38.931732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.933190] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.934116] 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 [ 38.937341] RSP: 0018:ffff888019577bc0 EFLAGS: 00010286 [ 38.938340] RAX: 0000000000000000 RBX: ffffed10032aef78 RCX: ffffffff813a4050 [ 38.939648] RDX: ffff888015760000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.940937] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032aef2f [ 38.942247] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.943557] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019577df8 [ 38.944866] FS: 00007ff3fa302900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.946312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.947419] CR2: 00007ff3fa7f4580 CR3: 0000000009c23000 CR4: 0000000000350ef0 [ 38.948719] Call Trace: [ 38.949202] [ 38.949682] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.950541] ? __create_object+0x59/0x80 [ 38.951327] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.952314] __vmalloc_noprof+0x59/0x60 [ 38.953085] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.953980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.954939] bpf_prog_alloc+0x39/0x200 [ 38.955694] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.956652] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.957531] do_seccomp+0x349/0x25e0 [ 38.958248] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.959171] ? __pfx_do_seccomp+0x10/0x10 [ 38.959961] ? find_held_lock+0x2b/0x80 [ 38.960739] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.961712] ? static_key_count+0x60/0x80 [ 38.962507] prctl_set_seccomp+0x4e/0x70 [ 38.963274] __do_sys_prctl+0xe6c/0x1d70 [ 38.964064] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.964934] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.965902] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.966910] ? irqentry_exit+0xf3/0x650 [ 38.967705] do_syscall_64+0xbf/0x430 [ 38.968398] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.969354] RIP: 0033:0x7ff3fa7f45cd [ 38.970055] 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 [ 38.973283] RSP: 002b:00007fff4f46fba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.974673] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fa7f45cd [ 38.975965] RDX: 0000555d27ec5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.977274] RBP: 00007fff4f46fc00 R08: 0000000000000000 R09: 00007fff4f46f2a0 [ 38.978580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d30ceabf0 [ 38.979874] R13: 00007fff4f470030 R14: 0000555d30cf4380 R15: 0000555d30cff460 [ 38.981178] [ 38.981647] irq event stamp: 1701 [ 38.982254] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 38.983484] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 38.984452] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 38.985436] softirqs last disabled at (1613): [] __irq_exit_rcu+0xc4/0x100 [ 38.986427] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.206960] ------------[ cut here ]------------ [ 41.207901] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.209918] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 41.211395] Modules linked in: [ 41.212032] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.214265] Tainted: [W]=WARN [ 41.214946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.216437] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.217372] 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 [ 41.220619] RSP: 0018:ffff8880162c7bc0 EFLAGS: 00010286 [ 41.221565] RAX: 0000000000000000 RBX: ffffed1002c58f78 RCX: ffffffff813a4050 [ 41.222909] RDX: ffff88801663b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.224212] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c58f2f [ 41.225509] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.226811] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162c7df8 [ 41.228112] FS: 00007fb44c3bb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.229577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.230681] CR2: 00007fffaf757ef8 CR3: 00000000203bd000 CR4: 0000000000350ef0 [ 41.231990] Call Trace: [ 41.232465] [ 41.232928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.233844] ? __create_object+0x59/0x80 [ 41.234654] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.235645] __vmalloc_noprof+0x59/0x60 [ 41.236376] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.237258] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.238201] bpf_prog_alloc+0x39/0x200 [ 41.238984] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.239964] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.240912] do_seccomp+0x349/0x25e0 [ 41.241668] ? find_held_lock+0x2b/0x80 [ 41.242432] ? do_prlimit+0x310/0x610 [ 41.243203] ? __pfx_do_seccomp+0x10/0x10 [ 41.244031] ? do_raw_spin_unlock+0x53/0x220 [ 41.244909] ? _raw_spin_unlock+0x1e/0x40 [ 41.245731] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.246762] ? static_key_count+0x60/0x80 [ 41.247559] prctl_set_seccomp+0x4e/0x70 [ 41.248372] __do_sys_prctl+0xe6c/0x1d70 [ 41.249192] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.250093] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.251126] ? irqentry_exit+0xf3/0x650 [ 41.251929] do_syscall_64+0xbf/0x430 [ 41.252708] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.253711] RIP: 0033:0x7fb44c8ad5cd [ 41.254418] 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 [ 41.257789] RSP: 002b:00007fffaf7561c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.259246] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb44c8ad5cd [ 41.260618] RDX: 0000556404085e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.261972] RBP: 00007fffaf756220 R08: 0000000000000000 R09: 00007fffaf7558c0 [ 41.263332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556438479bf0 [ 41.264690] R13: 00007fffaf756650 R14: 0000556438483380 R15: 000055643848e460 [ 41.266063] [ 41.266519] irq event stamp: 1781 [ 41.267204] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 41.268809] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 41.270433] softirqs last enabled at (1432): [] handle_softirqs+0x50c/0x770 [ 41.271909] softirqs last disabled at (1427): [] __irq_exit_rcu+0xc4/0x100 [ 41.273212] ---[ end trace 0000000000000000 ]--- [ 41.850250] ------------[ cut here ]------------ [ 41.851176] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.853147] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 41.854621] Modules linked in: [ 41.855210] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.857179] Tainted: [W]=WARN [ 41.857757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.859237] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.860138] 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 [ 41.863288] RSP: 0018:ffff88800c95fbc0 EFLAGS: 00010286 [ 41.864262] RAX: 0000000000000000 RBX: ffffed100192bf78 RCX: ffffffff813a4050 [ 41.865547] RDX: ffff8880171c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.866828] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100192bf2f [ 41.868120] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.869402] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800c95fdf8 [ 41.870682] FS: 00007f1f9412c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.872108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.873169] CR2: 00007ffc85658ef8 CR3: 000000000d833000 CR4: 0000000000350ef0 [ 41.874455] Call Trace: [ 41.874970] [ 41.875378] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.876277] ? __create_object+0x59/0x80 [ 41.877055] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.878014] __vmalloc_noprof+0x59/0x60 [ 41.878779] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.879645] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.880521] bpf_prog_alloc+0x39/0x200 [ 41.881247] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.882299] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.883224] do_seccomp+0x349/0x25e0 [ 41.883953] ? find_held_lock+0x2b/0x80 [ 41.884727] ? do_prlimit+0x310/0x610 [ 41.885415] ? __pfx_do_seccomp+0x10/0x10 [ 41.886197] ? do_raw_spin_unlock+0x53/0x220 [ 41.887032] ? _raw_spin_unlock+0x1e/0x40 [ 41.887822] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.888783] ? static_key_count+0x60/0x80 [ 41.889532] prctl_set_seccomp+0x4e/0x70 [ 41.890298] __do_sys_prctl+0xe6c/0x1d70 [ 41.891103] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.891957] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.892919] ? irqentry_exit+0xf3/0x650 [ 41.893684] do_syscall_64+0xbf/0x430 [ 41.894376] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.895341] RIP: 0033:0x7f1f9461e5cd [ 41.896046] 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 [ 41.899190] RSP: 002b:00007ffc85657960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.900538] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f9461e5cd [ 41.901809] RDX: 00005556a3a8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.903095] RBP: 00007ffc856579c0 R08: 0000000000000000 R09: 00007ffc85657060 [ 41.904365] R10: 0000000000000000 R11: 0000000000000246 R12: 00005556d1f16ad0 [ 41.905658] R13: 00007ffc85657df0 R14: 00005556d1f17bc0 R15: 00005556d1f28780 [ 41.906956] [ 41.907374] irq event stamp: 1713 [ 41.908024] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 41.909531] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 41.911048] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 41.912583] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 41.914111] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61020' (ECDSA) to the list of known hosts. 2025/11/18 14:37:36 fuzzer started 2025/11/18 14:37:36 dialing manager at localhost:34383 2025/11/18 14:37:36 checking machine... 2025/11/18 14:37:36 checking revisions... [ 42.754397] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:37:36 testing simple program... [ 42.832444] cgroup: Unknown subsys name 'net' [ 42.890897] cgroup: Unknown subsys name 'cpuset' [ 42.902477] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:37:35 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff88800c6ace40 RCX=ffffffff819de73e RDX=ffffed10018d59c9 RSI=0000000000000004 RDI=ffff88800c6ace40 RBP=0000000040000001 RSP=ffff888016a179f0 R8 =0000000000000001 R9 =ffffed10018d59c8 R10=ffff88800c6ace43 R11=0000000000000001 R12=0000000000000002 R13=0000000040000001 R14=ffff888016a17a58 R15=0000000000000001 RIP=ffffffff81b2d17f 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 00007fb44c3bb900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb44c36a008 CR3=000000000d247000 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=0000000000022cd9 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffce6ce3788 CR3=000000000c597000 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=7ea7f2fa45a2f19fe84d257f4f8d5222 XMM02=0000000000304740eff9b2d0a8fce9cb XMM03=00000000003048102c67c8bc2e329bc3 XMM04=dd8addf8fdb2e49200000000000ae988 XMM05=0b39c798a71319b60000000000320e30 XMM06=8fede82a5ad58cbe0000000000320cb8 XMM07=e042d86d42eb936e00000000003116c8 XMM08=31566895276b86020000000000304810 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000