[ 39.525736] ------------[ cut here ]------------ [ 39.526505] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.528213] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.529459] Modules linked in: [ 39.529970] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.531655] Tainted: [W]=WARN [ 39.532157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.533413] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.534192] 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 [ 39.536858] RSP: 0018:ffff88801616fbc0 EFLAGS: 00010286 [ 39.537697] RAX: 0000000000000000 RBX: ffffed1002c2df78 RCX: ffffffff813a4050 [ 39.538780] RDX: ffff888016bed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.539855] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2df2f [ 39.540945] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.542038] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801616fdf8 [ 39.543122] FS: 00007f0f898dc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.544334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.545239] CR2: 00007f0f89e424a6 CR3: 000000000e8ab000 CR4: 0000000000350ef0 [ 39.546334] Call Trace: [ 39.546728] [ 39.547114] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.547835] ? __create_object+0x59/0x80 [ 39.548506] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.549346] __vmalloc_noprof+0x59/0x60 [ 39.549950] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.550681] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.551464] bpf_prog_alloc+0x39/0x200 [ 39.552082] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.552823] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.553626] do_seccomp+0x349/0x25e0 [ 39.554236] ? find_held_lock+0x2b/0x80 [ 39.554833] ? do_prlimit+0x310/0x610 [ 39.555457] ? __pfx_do_seccomp+0x10/0x10 [ 39.556125] ? do_raw_spin_unlock+0x53/0x220 [ 39.556798] ? _raw_spin_unlock+0x1e/0x40 [ 39.557463] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.558281] ? static_key_count+0x60/0x80 [ 39.558916] prctl_set_seccomp+0x4e/0x70 [ 39.559561] __do_sys_prctl+0xe6c/0x1d70 [ 39.560219] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.560914] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.561732] ? irqentry_exit+0xf3/0x650 [ 39.562372] do_syscall_64+0xbf/0x430 [ 39.562958] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.563750] RIP: 0033:0x7f0f89dce5cd [ 39.564336] 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 [ 39.567044] RSP: 002b:00007fffed8270b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.568198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f89dce5cd [ 39.569291] RDX: 000055a2070b0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.570374] RBP: 00007fffed827110 R08: 0000000000000000 R09: 00007fffed8267b0 [ 39.571458] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a23a005bf0 [ 39.572548] R13: 00007fffed827540 R14: 000055a23a00f380 R15: 000055a23a01a460 [ 39.573658] [ 39.574055] irq event stamp: 1717 [ 39.574559] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 39.575847] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 39.577148] softirqs last enabled at (1376): [] handle_softirqs+0x50c/0x770 [ 39.578472] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 39.579739] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.379542] ------------[ cut here ]------------ [ 42.380580] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.382925] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.384439] Modules linked in: [ 42.385105] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.387646] Tainted: [W]=WARN [ 42.388362] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.389998] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.391102] 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 [ 42.394534] RSP: 0018:ffff8880195efbc0 EFLAGS: 00010286 [ 42.395614] RAX: 0000000000000000 RBX: ffffed10032bdf78 RCX: ffffffff813a4050 [ 42.396952] RDX: ffff888016955340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.398300] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032bdf2f [ 42.399688] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.401040] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880195efdf8 [ 42.402446] FS: 00007f60c54c9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.403979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.405108] CR2: 00007ffe659ceef7 CR3: 000000002011f000 CR4: 0000000000350ef0 [ 42.406476] Call Trace: [ 42.406959] [ 42.407459] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.408380] ? __create_object+0x59/0x80 [ 42.409174] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.410162] __vmalloc_noprof+0x59/0x60 [ 42.410883] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.411781] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.412772] bpf_prog_alloc+0x39/0x200 [ 42.413658] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.414649] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.415555] do_seccomp+0x349/0x25e0 [ 42.416272] ? find_held_lock+0x2b/0x80 [ 42.417123] ? do_prlimit+0x310/0x610 [ 42.417913] ? __pfx_do_seccomp+0x10/0x10 [ 42.418725] ? do_raw_spin_unlock+0x53/0x220 [ 42.419569] ? _raw_spin_unlock+0x1e/0x40 [ 42.420346] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.421384] ? static_key_count+0x60/0x80 [ 42.422202] prctl_set_seccomp+0x4e/0x70 [ 42.422961] __do_sys_prctl+0xe6c/0x1d70 [ 42.423845] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.424838] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.425991] ? irqentry_exit+0xf3/0x650 [ 42.426778] do_syscall_64+0xbf/0x430 [ 42.427535] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.428626] RIP: 0033:0x7f60c59bb5cd [ 42.429489] 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 [ 42.431819] RSP: 002b:00007ffe659cdc50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.432818] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60c59bb5cd [ 42.433791] RDX: 000055ffbcb6de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.434500] RBP: 00007ffe659cdcb0 R08: 0000000000000000 R09: 00007ffe659cd350 [ 42.435111] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ffbcd7f2b0 [ 42.435701] R13: 00007ffe659ce0e0 R14: 000055ffbcd81d20 R15: 000055ffbcd938d0 [ 42.436316] [ 42.436512] irq event stamp: 1825 [ 42.436798] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 42.437561] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 42.438341] softirqs last enabled at (1564): [] handle_softirqs+0x50c/0x770 [ 42.439132] softirqs last disabled at (1559): [] __irq_exit_rcu+0xc4/0x100 [ 42.439889] ---[ end trace 0000000000000000 ]--- [ 43.080378] ------------[ cut here ]------------ [ 43.081438] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.083741] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.085409] Modules linked in: [ 43.086084] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.088242] Tainted: [W]=WARN [ 43.088893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.090497] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.091551] 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 [ 43.095073] RSP: 0018:ffff88801bec7bc0 EFLAGS: 00010286 [ 43.096131] RAX: 0000000000000000 RBX: ffffed10037d8f78 RCX: ffffffff813a4050 [ 43.097562] RDX: ffff888016953780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.099039] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037d8f2f [ 43.100419] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.101910] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bec7df8 [ 43.103339] FS: 00007f959171a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.104969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.106174] CR2: 00007ffe9492def7 CR3: 000000000e480000 CR4: 0000000000350ef0 [ 43.107592] Call Trace: [ 43.108158] [ 43.108597] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.109519] ? __create_object+0x59/0x80 [ 43.110319] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.111298] __vmalloc_noprof+0x59/0x60 [ 43.112067] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.112910] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.113861] bpf_prog_alloc+0x39/0x200 [ 43.114621] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.115568] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.116536] do_seccomp+0x349/0x25e0 [ 43.117307] ? find_held_lock+0x2b/0x80 [ 43.118202] ? do_prlimit+0x310/0x610 [ 43.118978] ? __pfx_do_seccomp+0x10/0x10 [ 43.119908] ? do_raw_spin_unlock+0x53/0x220 [ 43.120809] ? _raw_spin_unlock+0x1e/0x40 [ 43.121734] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.122858] ? static_key_count+0x60/0x80 [ 43.123777] prctl_set_seccomp+0x4e/0x70 [ 43.124605] __do_sys_prctl+0xe6c/0x1d70 [ 43.125491] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.126478] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.127588] ? irqentry_exit+0xf3/0x650 [ 43.128431] do_syscall_64+0xbf/0x430 [ 43.129202] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.130246] RIP: 0033:0x7f9591c0c5cd [ 43.130985] 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 [ 43.134344] RSP: 002b:00007ffe9492c5d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.135812] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9591c0c5cd [ 43.137251] RDX: 00005565712d6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.138355] RBP: 00007ffe9492c630 R08: 0000000000000000 R09: 00007ffe9492bcd0 [ 43.139252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556584b7c240 [ 43.140143] R13: 00007ffe9492ca60 R14: 0000556584b7bbf0 R15: 0000556584b904d0 [ 43.141091] [ 43.141409] irq event stamp: 2913 [ 43.141828] hardirqs last enabled at (2921): [] __up_console_sem+0x78/0x80 [ 43.142673] hardirqs last disabled at (2930): [] __up_console_sem+0x5d/0x80 [ 43.143479] softirqs last enabled at (2862): [] handle_softirqs+0x50c/0x770 [ 43.144302] softirqs last disabled at (2857): [] __irq_exit_rcu+0xc4/0x100 [ 43.145062] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40634' (ECDSA) to the list of known hosts. 2025/11/17 22:11:35 fuzzer started 2025/11/17 22:11:36 dialing manager at localhost:37895 2025/11/17 22:11:36 checking machine... 2025/11/17 22:11:36 checking revisions... [ 43.941400] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:11:36 testing simple program... [ 44.034200] cgroup: Unknown subsys name 'net' [ 44.107776] cgroup: Unknown subsys name 'cpuset' [ 44.129264] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:11:35 Registers: info registers vcpu 0 RAX=0000000000000010 RBX=0000000000000001 RCX=ffffffff81b2d488 RDX=0000000000000010 RSI=ffffffff86ab8c2a RDI=ffffffff86726150 RBP=ffff888015bbf648 RSP=ffff888015bbf548 R8 =ffffffff86ab8c2a R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025767 R12=ffffffff8672618c R13=ffff888015bbf638 R14=ffff888015bbf631 R15=ffff888015bbf5f0 RIP=ffffffff8135da51 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 00007f60c54c9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f60c5478008 CR3=000000000e484000 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=0000000000022e0f 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=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 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=00007ffdcc9562c8 CR3=000000000e47b000 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=c685aac9c3bcbab72f4f9b4bf6a0c0b6 XMM02=2c67c8bc2e329bc30000000000303b18 XMM03=fb795ef6d6577056000000000030fcd8 XMM04=ee3bf3b7e87dd45600000000000ae988 XMM05=c110fb776c7b40510000000000320cd0 XMM06=5b75c91c8044534200000000003206c8 XMM07=e042d86d42eb936e000000000030ffb0 XMM08=8c820f5d2995d9130000000000303b78 XMM09=00000000000000000000000000000000 XMM10=20200000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000