[ 39.098070] ------------[ cut here ]------------ [ 39.098976] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.100967] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.102386] Modules linked in: [ 39.102998] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.104990] Tainted: [W]=WARN [ 39.105529] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.107193] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.108185] 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 [ 39.111313] RSP: 0018:ffff8880180efbc0 EFLAGS: 00010286 [ 39.112277] RAX: 0000000000000000 RBX: ffffed100301df78 RCX: ffffffff813a4050 [ 39.113527] RDX: ffff888016501bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.114784] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100301df2f [ 39.116049] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.117292] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880180efdf8 [ 39.118549] FS: 00007f89a08c5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.119965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.120996] CR2: 00007f89a0db7580 CR3: 000000000c0a9000 CR4: 0000000000350ef0 [ 39.122259] Call Trace: [ 39.122768] [ 39.123175] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.124126] ? __create_object+0x59/0x80 [ 39.125070] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.126109] __vmalloc_noprof+0x59/0x60 [ 39.126964] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.127954] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.128994] bpf_prog_alloc+0x39/0x200 [ 39.129831] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.130906] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.131860] do_seccomp+0x349/0x25e0 [ 39.132698] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.133770] ? __pfx_do_seccomp+0x10/0x10 [ 39.134664] ? find_held_lock+0x2b/0x80 [ 39.135410] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.136480] ? static_key_count+0x60/0x80 [ 39.137358] prctl_set_seccomp+0x4e/0x70 [ 39.138246] __do_sys_prctl+0xe6c/0x1d70 [ 39.139083] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.140055] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.141173] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.142246] ? irqentry_exit+0xf3/0x650 [ 39.143081] do_syscall_64+0xbf/0x430 [ 39.143960] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.145057] RIP: 0033:0x7f89a0db75cd [ 39.145821] 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 [ 39.149375] RSP: 002b:00007ffd7bda8d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.150809] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89a0db75cd [ 39.152123] RDX: 0000559af6632e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.153388] RBP: 00007ffd7bda8d70 R08: 0000000000000000 R09: 00007ffd7bda8410 [ 39.154665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559b0467ead0 [ 39.155938] R13: 00007ffd7bda91a0 R14: 0000559b0467fbc0 R15: 0000559b04690780 [ 39.156978] [ 39.157272] irq event stamp: 1841 [ 39.157734] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 39.158789] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 39.159855] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 39.160947] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 39.162003] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.641995] ------------[ cut here ]------------ [ 42.643024] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.645193] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.646726] Modules linked in: [ 42.647355] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.649458] Tainted: [W]=WARN [ 42.650101] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.651655] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.652579] 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 [ 42.655961] RSP: 0018:ffff88801682fbc0 EFLAGS: 00010286 [ 42.657003] RAX: 0000000000000000 RBX: ffffed1002d05f78 RCX: ffffffff813a4050 [ 42.658366] RDX: ffff888013f33780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.659734] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d05f2f [ 42.661101] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.662460] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801682fdf8 [ 42.663818] FS: 00007f8d6b903900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.665358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.666478] CR2: 00007f8d6bdf5580 CR3: 000000001ecbd000 CR4: 0000000000350ef0 [ 42.667868] Call Trace: [ 42.668371] [ 42.668864] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.669798] ? __create_object+0x59/0x80 [ 42.670591] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.671650] __vmalloc_noprof+0x59/0x60 [ 42.672411] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.673340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.674311] bpf_prog_alloc+0x39/0x200 [ 42.675092] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.676108] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.677079] do_seccomp+0x349/0x25e0 [ 42.677848] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.678812] ? __pfx_do_seccomp+0x10/0x10 [ 42.679650] ? find_held_lock+0x2b/0x80 [ 42.680423] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.681445] ? static_key_count+0x60/0x80 [ 42.682294] prctl_set_seccomp+0x4e/0x70 [ 42.683121] __do_sys_prctl+0xe6c/0x1d70 [ 42.683969] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.684889] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.685924] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.686954] ? irqentry_exit+0xf3/0x650 [ 42.687776] do_syscall_64+0xbf/0x430 [ 42.688509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.689522] RIP: 0033:0x7f8d6bdf55cd [ 42.690276] 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 [ 42.693636] RSP: 002b:00007fff5b5b8670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.695114] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d6bdf55cd [ 42.696501] RDX: 0000560b5f42ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.697887] RBP: 00007fff5b5b86d0 R08: 0000000000000000 R09: 00007fff5b5b7d70 [ 42.699277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b61d82ad0 [ 42.700673] R13: 00007fff5b5b8b00 R14: 0000560b61d83bc0 R15: 0000560b61d94780 [ 42.702064] [ 42.702515] irq event stamp: 1735 [ 42.703203] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 42.704837] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 42.706464] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 42.708128] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 42.710010] ---[ end trace 0000000000000000 ]--- [ 43.604803] ------------[ cut here ]------------ [ 43.605735] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.607725] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.609208] Modules linked in: [ 43.609891] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.611894] Tainted: [W]=WARN [ 43.612450] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.613922] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.614825] 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 [ 43.618043] RSP: 0018:ffff888016dbfbc0 EFLAGS: 00010286 [ 43.619025] RAX: 0000000000000000 RBX: ffffed1002db7f78 RCX: ffffffff813a4050 [ 43.620317] RDX: ffff888013f31bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.621623] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db7f2f [ 43.622904] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.624206] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dbfdf8 [ 43.625498] FS: 00007f36b5fed900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.626940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.628038] CR2: 00007ffd94931ef8 CR3: 000000000db7d000 CR4: 0000000000350ef0 [ 43.629329] Call Trace: [ 43.629826] [ 43.630235] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.631131] ? __create_object+0x59/0x80 [ 43.631924] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.632879] __vmalloc_noprof+0x59/0x60 [ 43.633649] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.634475] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.635423] bpf_prog_alloc+0x39/0x200 [ 43.636176] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.637101] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.638025] do_seccomp+0x349/0x25e0 [ 43.638740] ? find_held_lock+0x2b/0x80 [ 43.639460] ? do_prlimit+0x310/0x610 [ 43.640225] ? __pfx_do_seccomp+0x10/0x10 [ 43.641014] ? do_raw_spin_unlock+0x53/0x220 [ 43.641849] ? _raw_spin_unlock+0x1e/0x40 [ 43.642581] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.643541] ? static_key_count+0x60/0x80 [ 43.644354] prctl_set_seccomp+0x4e/0x70 [ 43.645124] __do_sys_prctl+0xe6c/0x1d70 [ 43.645918] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.646791] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.647774] ? irqentry_exit+0xf3/0x650 [ 43.648512] do_syscall_64+0xbf/0x430 [ 43.649270] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.650221] RIP: 0033:0x7f36b64df5cd [ 43.650927] 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 [ 43.654117] RSP: 002b:00007ffd94930af0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.655490] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f36b64df5cd [ 43.656802] RDX: 0000562103adfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.658100] RBP: 00007ffd94930b50 R08: 0000000000000000 R09: 00007ffd949301f0 [ 43.659374] R10: 0000000000000000 R11: 0000000000000246 R12: 000056211cabaad0 [ 43.660667] R13: 00007ffd94930f80 R14: 000056211cabbbc0 R15: 000056211cacc780 [ 43.661979] [ 43.662405] irq event stamp: 1723 [ 43.663069] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 43.664625] hardirqs last disabled at (1744): [] sysvec_apic_timer_interrupt+0xf/0x80 [ 43.666300] softirqs last enabled at (1616): [] handle_softirqs+0x50c/0x770 [ 43.667868] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 43.669624] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39064' (ECDSA) to the list of known hosts. 2025/11/18 22:34:06 fuzzer started 2025/11/18 22:34:07 dialing manager at localhost:34383 2025/11/18 22:34:07 checking machine... 2025/11/18 22:34:07 checking revisions... [ 44.579353] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:34:07 testing simple program... [ 44.662815] cgroup: Unknown subsys name 'net' [ 44.726989] cgroup: Unknown subsys name 'cpuset' [ 44.743426] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:34:06 Registers: info registers vcpu 0 RAX=ffff88800f3fc178 RBX=0000000000000001 RCX=ffffffff8152d723 RDX=1ffff11001e7f83c RSI=ffffffff842d9c1d RDI=ffff88800f3fc1e0 RBP=ffff888016837d48 RSP=ffff888016837c80 R8 =0000000000000001 R9 =ffffed1002d06f83 R10=0000000000000003 R11=0000000000000001 R12=ffff888016f01980 R13=1ffff11002d06f94 R14=ffff888016837cc0 R15=ffff888016f01a00 RIP=ffffffff81751e00 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 00007f8d6b903900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8d6beb8650 CR3=000000001ec50000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=000000000001e8d3 RCX=ffffffff81a2ce52 RDX=ffff8880172e5340 RSI=000000000001e8d3 RDI=0000000000000006 RBP=000000000001e8d3 RSP=ffff88801682f898 R8 =840000001e8d3025 R9 =0000000000000001 R10=000000000001e8d3 R11=0000000000000001 R12=0000000000000001 R13=0000000000000001 R14=0000000000000001 R15=840000001e8d3025 RIP=ffffffff81751e00 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 00007f54372b8900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f543752c000 CR3=000000001ed71000 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=ff0000000000000000000000ff000000 XMM01=0000ff00ffffffffffffffff00ffffff XMM02=00362e322e325f4342494c4700352e32 XMM03=00000000000000000000004700352e32 XMM04=4342494c4700362e322e325f4342494c XMM05=00007f5437871f6000007f5437a2b950 XMM06=00007f5437a2b44000007f5437a2af20 XMM07=00007f543737512000007f5437374b10 XMM08=00007f54373745f000007f5437374060 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000