[ 39.131906] ------------[ cut here ]------------ [ 39.133011] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.135339] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 39.137020] Modules linked in: [ 39.137756] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.140057] Tainted: [W]=WARN [ 39.140769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.142485] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.143549] 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 [ 39.147228] RSP: 0018:ffff8880161f7bc0 EFLAGS: 00010286 [ 39.148365] RAX: 0000000000000000 RBX: ffffed1002c3ef78 RCX: ffffffff813a4050 [ 39.149851] RDX: ffff8880179e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.151334] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c3ef2f [ 39.152833] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.154307] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161f7df8 [ 39.155789] FS: 00007fe3e43de900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.157468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.158701] CR2: 00007fe3e49444a6 CR3: 000000000b831000 CR4: 0000000000350ef0 [ 39.160200] Call Trace: [ 39.160906] [ 39.161320] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.162269] ? __create_object+0x59/0x80 [ 39.163055] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.164008] __vmalloc_noprof+0x59/0x60 [ 39.164784] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.165671] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.166542] bpf_prog_alloc+0x39/0x200 [ 39.167277] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.168192] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.169094] do_seccomp+0x349/0x25e0 [ 39.169801] ? find_held_lock+0x2b/0x80 [ 39.170501] ? do_prlimit+0x310/0x610 [ 39.171231] ? __pfx_do_seccomp+0x10/0x10 [ 39.172006] ? do_raw_spin_unlock+0x53/0x220 [ 39.172839] ? _raw_spin_unlock+0x1e/0x40 [ 39.173554] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.174499] ? static_key_count+0x60/0x80 [ 39.175287] prctl_set_seccomp+0x4e/0x70 [ 39.176052] __do_sys_prctl+0xe6c/0x1d70 [ 39.176831] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.177687] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.178648] ? irqentry_exit+0xf3/0x650 [ 39.179351] do_syscall_64+0xbf/0x430 [ 39.180082] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.181026] RIP: 0033:0x7fe3e48d05cd [ 39.181713] 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 [ 39.184835] RSP: 002b:00007ffdbdf76250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.186187] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe3e48d05cd [ 39.187447] RDX: 00005602ed594e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.188719] RBP: 00007ffdbdf762b0 R08: 0000000000000000 R09: 00007ffdbdf75950 [ 39.189981] R10: 0000000000000000 R11: 0000000000000246 R12: 000056030eb22ad0 [ 39.191248] R13: 00007ffdbdf766e0 R14: 000056030eb23bc0 R15: 000056030eb34780 [ 39.192543] [ 39.193009] irq event stamp: 1757 [ 39.193660] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 39.195156] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 39.196659] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 39.198153] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 39.199655] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.996955] ------------[ cut here ]------------ [ 41.997815] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.999752] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.001151] Modules linked in: [ 42.001951] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.003960] Tainted: [W]=WARN [ 42.004618] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.006219] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.007206] 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 [ 42.010623] RSP: 0018:ffff888018697bc0 EFLAGS: 00010286 [ 42.011678] RAX: 0000000000000000 RBX: ffffed10030d2f78 RCX: ffffffff813a4050 [ 42.013070] RDX: ffff88801620d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.014450] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030d2f2f [ 42.015851] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.017240] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018697df8 [ 42.018621] FS: 00007efeee38b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.020181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.021342] CR2: 00007ffc154b6ef8 CR3: 000000000e6ed000 CR4: 0000000000350ef0 [ 42.022745] Call Trace: [ 42.023245] [ 42.023746] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.024721] ? __create_object+0x59/0x80 [ 42.025516] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.026563] __vmalloc_noprof+0x59/0x60 [ 42.027357] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.028312] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.029335] bpf_prog_alloc+0x39/0x200 [ 42.030068] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.030956] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.031833] do_seccomp+0x349/0x25e0 [ 42.032480] ? find_held_lock+0x2b/0x80 [ 42.033208] ? do_prlimit+0x310/0x610 [ 42.033919] ? __pfx_do_seccomp+0x10/0x10 [ 42.034681] ? do_raw_spin_unlock+0x53/0x220 [ 42.035433] ? _raw_spin_unlock+0x1e/0x40 [ 42.036187] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.037133] ? static_key_count+0x60/0x80 [ 42.037921] prctl_set_seccomp+0x4e/0x70 [ 42.038667] __do_sys_prctl+0xe6c/0x1d70 [ 42.039368] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.040189] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.041126] ? irqentry_exit+0xf3/0x650 [ 42.041863] do_syscall_64+0xbf/0x430 [ 42.042519] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.043433] RIP: 0033:0x7efeee87d5cd [ 42.044116] 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 [ 42.047154] RSP: 002b:00007ffc154b4a40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.048473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efeee87d5cd [ 42.049709] RDX: 000055a4ab2cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.050925] RBP: 00007ffc154b4aa0 R08: 0000000000000000 R09: 00007ffc154b4140 [ 42.052152] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a4b0985240 [ 42.053388] R13: 00007ffc154b4ed0 R14: 000055a4b0984bf0 R15: 000055a4b09994d0 [ 42.054643] [ 42.055048] irq event stamp: 1807 [ 42.055687] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.057150] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.058614] softirqs last enabled at (1644): [] handle_softirqs+0x50c/0x770 [ 42.060099] softirqs last disabled at (1639): [] __irq_exit_rcu+0xc4/0x100 [ 42.061595] ---[ end trace 0000000000000000 ]--- [ 42.699620] ------------[ cut here ]------------ [ 42.700459] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.702352] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.703945] Modules linked in: [ 42.704525] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.706541] Tainted: [W]=WARN [ 42.707124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.708567] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.709447] 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 [ 42.712492] RSP: 0018:ffff888017d27bc0 EFLAGS: 00010286 [ 42.713435] RAX: 0000000000000000 RBX: ffffed1002fa4f78 RCX: ffffffff813a4050 [ 42.714673] RDX: ffff888015cbb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.715900] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fa4f2f [ 42.717138] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.718378] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017d27df8 [ 42.719627] FS: 00007f9523ab9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.721025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.722047] CR2: 00007fff245f6ef8 CR3: 000000001d926000 CR4: 0000000000350ef0 [ 42.723284] Call Trace: [ 42.723725] [ 42.724072] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.724849] ? __create_object+0x59/0x80 [ 42.725475] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.726306] __vmalloc_noprof+0x59/0x60 [ 42.726956] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.727698] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.728465] bpf_prog_alloc+0x39/0x200 [ 42.729104] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.729897] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.730662] do_seccomp+0x349/0x25e0 [ 42.731230] ? find_held_lock+0x2b/0x80 [ 42.731876] ? do_prlimit+0x310/0x610 [ 42.732481] ? __pfx_do_seccomp+0x10/0x10 [ 42.733155] ? do_raw_spin_unlock+0x53/0x220 [ 42.733872] ? _raw_spin_unlock+0x1e/0x40 [ 42.734499] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.735317] ? static_key_count+0x60/0x80 [ 42.735997] prctl_set_seccomp+0x4e/0x70 [ 42.736670] __do_sys_prctl+0xe6c/0x1d70 [ 42.737292] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.738028] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.738851] ? irqentry_exit+0xf3/0x650 [ 42.739456] do_syscall_64+0xbf/0x430 [ 42.740096] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.740921] RIP: 0033:0x7f9523fab5cd [ 42.741475] 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 [ 42.744113] RSP: 002b:00007fff245f56c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.745260] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9523fab5cd [ 42.746332] RDX: 000055848ebf3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.747410] RBP: 00007fff245f5720 R08: 0000000000000000 R09: 00007fff245f4dc0 [ 42.748506] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584b65cbad0 [ 42.749598] R13: 00007fff245f5b50 R14: 00005584b65ccbc0 R15: 00005584b65dd780 [ 42.750693] [ 42.751056] irq event stamp: 1787 [ 42.751563] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 42.752881] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 42.754150] softirqs last enabled at (1598): [] handle_softirqs+0x50c/0x770 [ 42.755442] softirqs last disabled at (1593): [] __irq_exit_rcu+0xc4/0x100 [ 42.756741] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41234' (ECDSA) to the list of known hosts. 2025/11/17 11:00:13 fuzzer started 2025/11/17 11:00:13 dialing manager at localhost:37895 2025/11/17 11:00:13 checking machine... 2025/11/17 11:00:13 checking revisions... [ 43.646058] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:00:13 testing simple program... [ 43.740333] cgroup: Unknown subsys name 'net' [ 43.789383] cgroup: Unknown subsys name 'cpuset' [ 43.801823] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:00:12 Registers: info registers vcpu 0 RAX=00000000000477bb RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeeb0b6958 CR3=000000001c3b2000 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=30303a313120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383132 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888017407cb8 RCX=0000000000000001 RDX=1ffff11002e80e9d RSI=ffff888017407c88 RDI=ffff8880174074e8 RBP=0000000000000000 RSP=ffff888017407470 R8 =0000000000000001 R9 =ffff888017407520 R10=000000000003c9ed R11=000000000009a54a R12=ffff888017407540 R13=ffff888017407528 R14=ffff888017407c88 R15=ffff8880174074e0 RIP=ffffffff8135fba2 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 00007efeee38b900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055a4b0986954 CR3=000000001e469000 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