[ 39.138298] ------------[ cut here ]------------ [ 39.139151] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.141200] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.142656] Modules linked in: [ 39.143293] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.145272] Tainted: [W]=WARN [ 39.145821] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.147343] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.148196] 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 [ 39.151356] RSP: 0018:ffff88801783fbc0 EFLAGS: 00010286 [ 39.152319] RAX: 0000000000000000 RBX: ffffed1002f07f78 RCX: ffffffff813a4050 [ 39.153585] RDX: ffff88801ac4b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.154853] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f07f2f [ 39.156124] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.157394] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801783fdf8 [ 39.158666] FS: 00007f60c344e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.160099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.161159] CR2: 00007ffe0f2feef8 CR3: 000000000c7c5000 CR4: 0000000000350ef0 [ 39.162434] Call Trace: [ 39.162892] [ 39.163353] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.164203] ? _raw_spin_unlock_irqrestore+0x2c/0x50 [ 39.165136] ? _raw_spin_unlock_irqrestore+0x34/0x50 [ 39.166072] __vmalloc_noprof+0x59/0x60 [ 39.166827] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.167705] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.168644] bpf_prog_alloc+0x39/0x200 [ 39.169374] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.170299] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.171144] do_seccomp+0x349/0x25e0 [ 39.171872] ? find_held_lock+0x2b/0x80 [ 39.172631] ? do_prlimit+0x310/0x610 [ 39.173375] ? __pfx_do_seccomp+0x10/0x10 [ 39.174107] ? do_raw_spin_unlock+0x53/0x220 [ 39.174930] ? _raw_spin_unlock+0x1e/0x40 [ 39.175754] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.176717] ? static_key_count+0x60/0x80 [ 39.177511] prctl_set_seccomp+0x4e/0x70 [ 39.178235] __do_sys_prctl+0xe6c/0x1d70 [ 39.179016] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.179884] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.180843] ? irqentry_exit+0xf3/0x650 [ 39.181595] do_syscall_64+0xbf/0x430 [ 39.182328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.183234] RIP: 0033:0x7f60c39405cd [ 39.183937] 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 [ 39.187065] RSP: 002b:00007ffe0f2fd160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.188416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60c39405cd [ 39.189678] RDX: 0000557267063e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.190939] RBP: 00007ffe0f2fd1c0 R08: 0000000000000000 R09: 00007ffe0f2fc860 [ 39.192223] R10: 0000000000000000 R11: 0000000000000246 R12: 000055726b4feb10 [ 39.193513] R13: 00007ffe0f2fd5f0 R14: 000055726b4ff2b0 R15: 000055726b5136f0 [ 39.194805] [ 39.195236] irq event stamp: 1745 [ 39.195869] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 39.197364] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 39.198855] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 39.200395] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 39.201892] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.157163] ------------[ cut here ]------------ [ 42.157761] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.159053] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.159986] Modules linked in: [ 42.160378] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.161652] Tainted: [W]=WARN [ 42.162002] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.162942] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.163526] 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 [ 42.165572] RSP: 0018:ffff88801677fbc0 EFLAGS: 00010286 [ 42.166172] RAX: 0000000000000000 RBX: ffffed1002ceff78 RCX: ffffffff813a4050 [ 42.166991] RDX: ffff88801ad49bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.167813] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ceff2f [ 42.168628] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.169442] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801677fdf8 [ 42.170237] FS: 00007f8cb4172900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.171153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.171848] CR2: 00007f8cb4664580 CR3: 000000001edda000 CR4: 0000000000350ef0 [ 42.172667] Call Trace: [ 42.172962] [ 42.173228] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.173806] ? __create_object+0x59/0x80 [ 42.174301] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.174899] __vmalloc_noprof+0x59/0x60 [ 42.175389] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.175922] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.176515] bpf_prog_alloc+0x39/0x200 [ 42.176955] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.177541] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.178090] do_seccomp+0x349/0x25e0 [ 42.178549] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.179101] ? __pfx_do_seccomp+0x10/0x10 [ 42.179613] ? find_held_lock+0x2b/0x80 [ 42.180074] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.180688] ? static_key_count+0x60/0x80 [ 42.181177] prctl_set_seccomp+0x4e/0x70 [ 42.181670] __do_sys_prctl+0xe6c/0x1d70 [ 42.182141] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.182679] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.184141] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.186113] ? irqentry_exit+0xf3/0x650 [ 42.186628] do_syscall_64+0xbf/0x430 [ 42.187077] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.187695] RIP: 0033:0x7f8cb46645cd [ 42.188122] 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 [ 42.190159] RSP: 002b:00007fff5d6711c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.191028] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8cb46645cd [ 42.191865] RDX: 000056421953ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.192687] RBP: 00007fff5d671220 R08: 0000000000000000 R09: 00007fff5d6708c0 [ 42.193511] R10: 0000000000000000 R11: 0000000000000246 R12: 000056423696bad0 [ 42.194327] R13: 00007fff5d671650 R14: 000056423696cbc0 R15: 000056423697d780 [ 42.195131] [ 42.195441] irq event stamp: 1955 [ 42.195831] hardirqs last enabled at (1963): [] __up_console_sem+0x78/0x80 [ 42.196799] hardirqs last disabled at (1972): [] __up_console_sem+0x5d/0x80 [ 42.197779] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 42.198778] softirqs last disabled at (1617): [] __irq_exit_rcu+0xc4/0x100 [ 42.199762] ---[ end trace 0000000000000000 ]--- [ 43.049545] ------------[ cut here ]------------ [ 43.050182] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.051942] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.052972] Modules linked in: [ 43.053415] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.054841] Tainted: [W]=WARN [ 43.055276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.056329] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.056943] 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 [ 43.059172] RSP: 0018:ffff88800f2b7bc0 EFLAGS: 00010286 [ 43.059860] RAX: 0000000000000000 RBX: ffffed1001e56f78 RCX: ffffffff813a4050 [ 43.060761] RDX: ffff8880175dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.061810] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e56f2f [ 43.062939] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.063849] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f2b7df8 [ 43.064744] FS: 00007f595c99b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.065756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.066499] CR2: 00007fffde49def8 CR3: 000000001ef6d000 CR4: 0000000000350ef0 [ 43.067413] Call Trace: [ 43.067751] [ 43.068045] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.068679] ? __create_object+0x59/0x80 [ 43.069214] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.069905] __vmalloc_noprof+0x59/0x60 [ 43.070570] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.071167] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.071839] bpf_prog_alloc+0x39/0x200 [ 43.072362] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.072998] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.073644] do_seccomp+0x349/0x25e0 [ 43.074132] ? find_held_lock+0x2b/0x80 [ 43.074671] ? do_prlimit+0x310/0x610 [ 43.075176] ? __pfx_do_seccomp+0x10/0x10 [ 43.075745] ? do_raw_spin_unlock+0x53/0x220 [ 43.076348] ? _raw_spin_unlock+0x1e/0x40 [ 43.076881] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.077568] ? static_key_count+0x60/0x80 [ 43.078115] prctl_set_seccomp+0x4e/0x70 [ 43.078692] __do_sys_prctl+0xe6c/0x1d70 [ 43.079233] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.079848] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.080539] ? irqentry_exit+0xf3/0x650 [ 43.081058] do_syscall_64+0xbf/0x430 [ 43.081585] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.082265] RIP: 0033:0x7f595ce8d5cd [ 43.082749] 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 [ 43.085036] RSP: 002b:00007fffde49cbc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.086007] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f595ce8d5cd [ 43.086914] RDX: 000055d0e05eae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.087835] RBP: 00007fffde49cc20 R08: 0000000000000000 R09: 00007fffde49c2c0 [ 43.088741] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d1197ecbf0 [ 43.089646] R13: 00007fffde49d050 R14: 000055d1197f6380 R15: 000055d119801460 [ 43.090569] [ 43.090872] irq event stamp: 3045 [ 43.091347] hardirqs last enabled at (3055): [] __up_console_sem+0x78/0x80 [ 43.092437] hardirqs last disabled at (3064): [] __up_console_sem+0x5d/0x80 [ 43.093521] softirqs last enabled at (2894): [] handle_softirqs+0x50c/0x770 [ 43.094608] softirqs last disabled at (2887): [] __irq_exit_rcu+0xc4/0x100 [ 43.095690] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4824' (ECDSA) to the list of known hosts. 2025/11/17 18:29:20 fuzzer started 2025/11/17 18:29:21 dialing manager at localhost:37895 2025/11/17 18:29:21 checking machine... 2025/11/17 18:29:21 checking revisions... [ 44.095526] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:29:21 testing simple program... [ 44.179062] cgroup: Unknown subsys name 'net' [ 44.238857] cgroup: Unknown subsys name 'cpuset' [ 44.252683] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:29:20 Registers: info registers vcpu 0 RAX=b503ba001073dead RBX=0000000000000001 RCX=ffff88806ce089a4 RDX=0000000000000002 RSI=ffffffff85e1ffe0 RDI=ffff88800dc3a668 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08998 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8175a586 R13=0000000000000206 R14=ffff88800dc39bc0 R15=0000000000000003 RIP=ffffffff81528fc6 RFL=00000046 [---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 00007f8cb4172900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8cb4151020 CR3=000000001edee000 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=000000000002a027 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fcb72d76018 CR3=0000000009dad000 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=2030323a39323a383120373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039313a39323a3831203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000