[ 39.485321] ------------[ cut here ]------------ [ 39.486292] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.488292] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.489738] Modules linked in: [ 39.490406] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.492423] Tainted: [W]=WARN [ 39.493027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.494548] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.495466] 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 [ 39.498691] RSP: 0018:ffff8880072efbc0 EFLAGS: 00010286 [ 39.499666] RAX: 0000000000000000 RBX: ffffed1000e5df78 RCX: ffffffff813a4050 [ 39.500954] RDX: ffff88800ef65340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.502269] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1000e5df2f [ 39.503560] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.504852] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880072efdf8 [ 39.506148] FS: 00007facfd093900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.507619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.508710] CR2: 00007facfd585580 CR3: 000000000b6dd000 CR4: 0000000000350ef0 [ 39.510022] Call Trace: [ 39.510519] [ 39.510988] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.511912] ? __create_object+0x59/0x80 [ 39.512670] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.513657] __vmalloc_noprof+0x59/0x60 [ 39.514436] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.515319] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.516267] bpf_prog_alloc+0x39/0x200 [ 39.517013] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.517941] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.518844] do_seccomp+0x349/0x25e0 [ 39.519520] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.520440] ? __pfx_do_seccomp+0x10/0x10 [ 39.521248] ? find_held_lock+0x2b/0x80 [ 39.522023] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.523011] ? static_key_count+0x60/0x80 [ 39.523819] prctl_set_seccomp+0x4e/0x70 [ 39.524682] __do_sys_prctl+0xe6c/0x1d70 [ 39.525504] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.526380] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.527352] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.528335] ? irqentry_exit+0xf3/0x650 [ 39.529114] do_syscall_64+0xbf/0x430 [ 39.529869] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.530854] RIP: 0033:0x7facfd5855cd [ 39.531524] 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 [ 39.534711] RSP: 002b:00007ffdc78ff1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.536071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facfd5855cd [ 39.537379] RDX: 0000562fe5ea4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.538695] RBP: 00007ffdc78ff240 R08: 0000000000000000 R09: 00007ffdc78fe8e0 [ 39.540039] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562fedf01ad0 [ 39.541355] R13: 00007ffdc78ff670 R14: 0000562fedf02bc0 R15: 0000562fedf13780 [ 39.542663] [ 39.543124] irq event stamp: 1775 [ 39.543729] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 39.545261] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 39.546819] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 39.548387] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.549905] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.566769] ------------[ cut here ]------------ [ 42.567729] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.569751] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.571294] Modules linked in: [ 42.571973] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.574002] Tainted: [W]=WARN [ 42.574631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.576223] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.577160] 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 [ 42.580438] RSP: 0018:ffff888015cffbc0 EFLAGS: 00010286 [ 42.581421] RAX: 0000000000000000 RBX: ffffed1002b9ff78 RCX: ffffffff813a4050 [ 42.582730] RDX: ffff88800f265340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.583999] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b9ff2f [ 42.585280] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.586572] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cffdf8 [ 42.587857] FS: 00007fe29c3c0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.589290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.590378] CR2: 00007ffeee28bef7 CR3: 0000000020675000 CR4: 0000000000350ef0 [ 42.591659] Call Trace: [ 42.592169] [ 42.592583] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.593473] ? __create_object+0x59/0x80 [ 42.594281] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.595256] __vmalloc_noprof+0x59/0x60 [ 42.596021] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.596899] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.597837] bpf_prog_alloc+0x39/0x200 [ 42.598538] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.599466] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.600356] do_seccomp+0x349/0x25e0 [ 42.601080] ? find_held_lock+0x2b/0x80 [ 42.601836] ? do_prlimit+0x310/0x610 [ 42.602547] ? __pfx_do_seccomp+0x10/0x10 [ 42.603328] ? do_raw_spin_unlock+0x53/0x220 [ 42.604158] ? _raw_spin_unlock+0x1e/0x40 [ 42.604933] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.605894] ? static_key_count+0x60/0x80 [ 42.606662] prctl_set_seccomp+0x4e/0x70 [ 42.607437] __do_sys_prctl+0xe6c/0x1d70 [ 42.608231] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.609083] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.610050] ? irqentry_exit+0xf3/0x650 [ 42.610817] do_syscall_64+0xbf/0x430 [ 42.611511] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.612502] RIP: 0033:0x7fe29c8b25cd [ 42.613207] 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 [ 42.616459] RSP: 002b:00007ffeee28a0f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.617838] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe29c8b25cd [ 42.619149] RDX: 0000562e90f4ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.620713] RBP: 00007ffeee28a150 R08: 0000000000000000 R09: 00007ffeee2897f0 [ 42.622440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562ec009ab10 [ 42.624135] R13: 00007ffeee28a580 R14: 0000562ec009b2b0 R15: 0000562ec00af6f0 [ 42.625871] [ 42.626376] irq event stamp: 1781 [ 42.627072] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.628691] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.630242] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 42.631859] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 42.633405] ---[ end trace 0000000000000000 ]--- [ 43.341430] ------------[ cut here ]------------ [ 43.342580] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.344980] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.346533] Modules linked in: [ 43.347177] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.349211] Tainted: [W]=WARN [ 43.349833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.351372] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.352333] 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 [ 43.355632] RSP: 0018:ffff888016a47bc0 EFLAGS: 00010286 [ 43.356643] RAX: 0000000000000000 RBX: ffffed1002d48f78 RCX: ffffffff813a4050 [ 43.357962] RDX: ffff88800f1f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.359305] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d48f2f [ 43.360644] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.361966] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a47df8 [ 43.363312] FS: 00007f150a764900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.364936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.366055] CR2: 00007f150ac56580 CR3: 0000000020639000 CR4: 0000000000350ef0 [ 43.367415] Call Trace: [ 43.367951] [ 43.368371] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.369314] ? __create_object+0x59/0x80 [ 43.370159] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.371183] __vmalloc_noprof+0x59/0x60 [ 43.372000] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.372917] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.373901] bpf_prog_alloc+0x39/0x200 [ 43.374629] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.375601] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.376534] do_seccomp+0x349/0x25e0 [ 43.377268] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.378213] ? __pfx_do_seccomp+0x10/0x10 [ 43.379037] ? find_held_lock+0x2b/0x80 [ 43.379845] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.380844] ? static_key_count+0x60/0x80 [ 43.381630] prctl_set_seccomp+0x4e/0x70 [ 43.382444] __do_sys_prctl+0xe6c/0x1d70 [ 43.383242] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.384148] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.385151] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.386184] ? irqentry_exit+0xf3/0x650 [ 43.386991] do_syscall_64+0xbf/0x430 [ 43.387722] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.388707] RIP: 0033:0x7f150ac565cd [ 43.389421] 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 [ 43.392724] RSP: 002b:00007ffcd8c79680 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.394301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f150ac565cd [ 43.395703] RDX: 000055b681d2be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.397048] RBP: 00007ffcd8c796e0 R08: 0000000000000000 R09: 00007ffcd8c78d80 [ 43.398376] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b691cf1ad0 [ 43.399712] R13: 00007ffcd8c79b10 R14: 000055b691cf2bc0 R15: 000055b691d03780 [ 43.401050] [ 43.401502] irq event stamp: 1761 [ 43.402188] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 43.403739] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 43.405325] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 43.406936] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 43.407971] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:50450' (ECDSA) to the list of known hosts. 2025/11/18 23:20:41 fuzzer started 2025/11/18 23:20:41 dialing manager at localhost:34383 2025/11/18 23:20:41 checking machine... 2025/11/18 23:20:41 checking revisions... [ 44.257621] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:20:41 testing simple program... [ 44.341189] cgroup: Unknown subsys name 'net' [ 44.390198] cgroup: Unknown subsys name 'cpuset' [ 44.410141] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:20:40 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8175a61f RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08948 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=ffffffff8175a61f R14=0000000000000000 R15=ffff88800945d3c0 RIP=ffffffff81b2ae4f 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 00007fe29c3c0900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe29c38a008 CR3=000000001ae7b000 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=0000000000000000 RBX=ffff8880096eff40 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff88806cf089b8 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=000000000000d005 R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff888009643780 R15=ffff88806cf08a70 RIP=ffffffff81528f48 RFL=00000006 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffff408a28 CR3=000000000dcee000 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=40187f232c15eab1234e4ecbf85006a8 XMM02=00000000003053a0eff9b2d0a8fce9cb XMM03=00000000003054702c67c8bc2e329bc3 XMM04=3ca80f8740f270f000000000000ae988 XMM05=14648eaa1277bab100000000003216a8 XMM06=817b8945e9d503730000000000321530 XMM07=e042d86d42eb936e0000000000312158 XMM08=f5aafa2fb4a8cc0c0000000000305470 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000