[ 39.432136] ------------[ cut here ]------------ [ 39.433171] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.435535] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.437195] Modules linked in: [ 39.437937] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.440478] Tainted: [W]=WARN [ 39.441112] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.442879] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.443927] 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 [ 39.447581] RSP: 0018:ffff88801af57bc0 EFLAGS: 00010286 [ 39.448708] RAX: 0000000000000000 RBX: ffffed10035eaf78 RCX: ffffffff813a4050 [ 39.450212] RDX: ffff88800a45b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.451684] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035eaf2f [ 39.453159] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.454644] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af57df8 [ 39.456121] FS: 00007f4fc33e5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.457796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.459021] CR2: 00007f4fc38d7580 CR3: 000000000c444000 CR4: 0000000000350ef0 [ 39.460504] Call Trace: [ 39.461033] [ 39.461582] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.462600] ? __create_object+0x59/0x80 [ 39.463509] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.464630] __vmalloc_noprof+0x59/0x60 [ 39.465504] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.466532] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.467602] bpf_prog_alloc+0x39/0x200 [ 39.468451] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.469517] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.470591] do_seccomp+0x349/0x25e0 [ 39.471428] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.472462] ? __pfx_do_seccomp+0x10/0x10 [ 39.473365] ? find_held_lock+0x2b/0x80 [ 39.474198] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.475311] ? static_key_count+0x60/0x80 [ 39.476172] prctl_set_seccomp+0x4e/0x70 [ 39.477069] __do_sys_prctl+0xe6c/0x1d70 [ 39.477982] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.478970] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.480078] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.481182] ? irqentry_exit+0xf3/0x650 [ 39.482102] do_syscall_64+0xbf/0x430 [ 39.482944] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.484041] RIP: 0033:0x7f4fc38d75cd [ 39.484854] 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 [ 39.488519] RSP: 002b:00007ffd182c34c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.490093] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4fc38d75cd [ 39.491574] RDX: 0000558ffffafe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.493050] RBP: 00007ffd182c3520 R08: 0000000000000000 R09: 00007ffd182c2bc0 [ 39.494503] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590189312b0 [ 39.495741] R13: 00007ffd182c3950 R14: 0000559018933d20 R15: 00005590189458d0 [ 39.496988] [ 39.497433] irq event stamp: 1817 [ 39.498133] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 39.499658] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 39.501196] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 39.502686] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 39.503927] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.013712] ------------[ cut here ]------------ [ 43.014478] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.016140] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 43.017327] Modules linked in: [ 43.017822] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.019800] Tainted: [W]=WARN [ 43.020423] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.021950] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.022902] 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 [ 43.026181] RSP: 0018:ffff88800a4e7bc0 EFLAGS: 00010286 [ 43.027199] RAX: 0000000000000000 RBX: ffffed100149cf78 RCX: ffffffff813a4050 [ 43.028515] RDX: ffff88801611b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.029881] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100149cf2f [ 43.031240] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.032578] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a4e7df8 [ 43.033918] FS: 00007f30bfade900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.035378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.036454] CR2: 00007ffea6f86ef7 CR3: 0000000020e8e000 CR4: 0000000000350ef0 [ 43.037769] Call Trace: [ 43.038249] [ 43.038709] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.039623] ? __create_object+0x59/0x80 [ 43.040438] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.041452] __vmalloc_noprof+0x59/0x60 [ 43.042206] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.043200] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.044103] bpf_prog_alloc+0x39/0x200 [ 43.044705] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.045453] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.046171] do_seccomp+0x349/0x25e0 [ 43.046749] ? find_held_lock+0x2b/0x80 [ 43.047365] ? do_prlimit+0x310/0x610 [ 43.047936] ? __pfx_do_seccomp+0x10/0x10 [ 43.048600] ? do_raw_spin_unlock+0x53/0x220 [ 43.049493] ? _raw_spin_unlock+0x1e/0x40 [ 43.050323] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.051078] ? static_key_count+0x60/0x80 [ 43.051723] prctl_set_seccomp+0x4e/0x70 [ 43.052348] __do_sys_prctl+0xe6c/0x1d70 [ 43.052953] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.053659] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.054444] ? irqentry_exit+0xf3/0x650 [ 43.055044] do_syscall_64+0xbf/0x430 [ 43.055642] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.056410] RIP: 0033:0x7f30bffd05cd [ 43.057151] 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 [ 43.060411] RSP: 002b:00007ffea6f85b80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.061834] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f30bffd05cd [ 43.063145] RDX: 000055e1c0bb7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.064457] RBP: 00007ffea6f85be0 R08: 0000000000000000 R09: 00007ffea6f85280 [ 43.065879] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e1f74a72b0 [ 43.067110] R13: 00007ffea6f86010 R14: 000055e1f74a9d20 R15: 000055e1f74bb8d0 [ 43.068374] [ 43.068724] irq event stamp: 1751 [ 43.069224] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 43.070500] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 43.071739] softirqs last enabled at (1470): [] handle_softirqs+0x50c/0x770 [ 43.072993] softirqs last disabled at (1463): [] __irq_exit_rcu+0xc4/0x100 [ 43.074302] ---[ end trace 0000000000000000 ]--- [ 43.868187] ------------[ cut here ]------------ [ 43.869042] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.870840] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.872036] Modules linked in: [ 43.872560] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.874220] Tainted: [W]=WARN [ 43.874704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.875909] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.876657] 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 [ 43.879282] RSP: 0018:ffff88800a007bc0 EFLAGS: 00010286 [ 43.880050] RAX: 0000000000000000 RBX: ffffed1001400f78 RCX: ffffffff813a4050 [ 43.881098] RDX: ffff888016120000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.882155] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001400f2f [ 43.883211] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.884286] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a007df8 [ 43.885336] FS: 00007faa88155900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.886530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.887393] CR2: 00007faa88647580 CR3: 000000000f088000 CR4: 0000000000350ef0 [ 43.888447] Call Trace: [ 43.888828] [ 43.889162] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.889915] ? __create_object+0x59/0x80 [ 43.890563] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.891346] __vmalloc_noprof+0x59/0x60 [ 43.891935] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.892662] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.893425] bpf_prog_alloc+0x39/0x200 [ 43.894014] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.894787] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.895536] do_seccomp+0x349/0x25e0 [ 43.896093] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.896830] ? __pfx_do_seccomp+0x10/0x10 [ 43.897486] ? find_held_lock+0x2b/0x80 [ 43.898083] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.898873] ? static_key_count+0x60/0x80 [ 43.899527] prctl_set_seccomp+0x4e/0x70 [ 43.900149] __do_sys_prctl+0xe6c/0x1d70 [ 43.900783] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.901483] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.902247] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.903041] ? irqentry_exit+0xf3/0x650 [ 43.903675] do_syscall_64+0xbf/0x430 [ 43.904256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.905037] RIP: 0033:0x7faa886475cd [ 43.905629] 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 [ 43.908278] RSP: 002b:00007fff69fca260 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.909509] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa886475cd [ 43.910716] RDX: 000055907476ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.911889] RBP: 00007fff69fca2c0 R08: 0000000000000000 R09: 00007fff69fc9960 [ 43.913099] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590b3b84ad0 [ 43.914277] R13: 00007fff69fca6f0 R14: 00005590b3b85bc0 R15: 00005590b3b96780 [ 43.915422] [ 43.915842] irq event stamp: 1689 [ 43.916477] hardirqs last enabled at (1699): [] __up_console_sem+0x78/0x80 [ 43.917783] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 43.919143] softirqs last enabled at (1450): [] handle_softirqs+0x50c/0x770 [ 43.920567] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 43.921927] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9428' (ECDSA) to the list of known hosts. 2025/11/17 18:22:11 fuzzer started 2025/11/17 18:22:12 dialing manager at localhost:37895 2025/11/17 18:22:12 checking machine... 2025/11/17 18:22:12 checking revisions... [ 44.821822] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:22:12 testing simple program... [ 44.915693] cgroup: Unknown subsys name 'net' [ 44.994648] cgroup: Unknown subsys name 'cpuset' [ 45.009646] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:22:11 Registers: info registers vcpu 0 RAX=000000000000001f RBX=0000000000000001 RCX=ffffffff81b6283c RDX=000000000000001f RSI=ffffffff86abec06 RDI=ffffffff8672a138 RBP=ffff8880171a7b28 RSP=ffff8880171a7a28 R8 =ffffffff86abec06 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026761 R12=ffffffff8672a1b0 R13=ffff8880171a7b18 R14=ffff8880171a7b11 R15=ffff8880171a7ad0 RIP=ffffffff8135da51 RFL=00000212 [----A--] 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 00007f30bfade900 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=00007ffea6f7f000 CR3=0000000020e9b000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001a0c7 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=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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007facc78ed000 CR3=000000000e2b9000 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=76937c2b4b17abb0074f8ed97f8bcdb8 XMM02=00000000003068e8eff9b2d0a8fce9cb XMM03=00000000003069b82c67c8bc2e329bc3 XMM04=502f51153569180000000000000ae988 XMM05=120f8a3165e9cd460000000000323c90 XMM06=817b8945e9d503730000000000322d30 XMM07=e042d86d42eb936e00000000003121b0 XMM08=a5fcc9fb97d9b03c00000000003069b8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000