[ 39.355452] ------------[ cut here ]------------ [ 39.356380] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.358714] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.360196] Modules linked in: [ 39.360798] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.362832] Tainted: [W]=WARN [ 39.363459] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.364956] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.365808] 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 [ 39.369037] RSP: 0018:ffff88801505fbc0 EFLAGS: 00010286 [ 39.370035] RAX: 0000000000000000 RBX: ffffed1002a0bf78 RCX: ffffffff813a4050 [ 39.371337] RDX: ffff88800a595340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.372623] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002a0bf2f [ 39.373907] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.375168] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801505fdf8 [ 39.376442] FS: 00007ffbb582d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.377889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.378931] CR2: 00007ffe80d57ef7 CR3: 000000000b75d000 CR4: 0000000000350ef0 [ 39.380226] Call Trace: [ 39.380693] [ 39.381141] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.382045] ? __create_object+0x59/0x80 [ 39.382790] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.383780] __vmalloc_noprof+0x59/0x60 [ 39.384542] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.385416] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.386360] bpf_prog_alloc+0x39/0x200 [ 39.387108] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.388064] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.388992] do_seccomp+0x349/0x25e0 [ 39.389680] ? find_held_lock+0x2b/0x80 [ 39.390455] ? do_prlimit+0x310/0x610 [ 39.391205] ? __pfx_do_seccomp+0x10/0x10 [ 39.392007] ? do_raw_spin_unlock+0x53/0x220 [ 39.392802] ? _raw_spin_unlock+0x1e/0x40 [ 39.393592] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.394581] ? static_key_count+0x60/0x80 [ 39.395414] prctl_set_seccomp+0x4e/0x70 [ 39.396216] __do_sys_prctl+0xe6c/0x1d70 [ 39.397026] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.397855] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.398852] ? irqentry_exit+0xf3/0x650 [ 39.399643] do_syscall_64+0xbf/0x430 [ 39.400405] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.401369] RIP: 0033:0x7ffbb5d1f5cd [ 39.402090] 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 [ 39.405325] RSP: 002b:00007ffe80d56530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.406707] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffbb5d1f5cd [ 39.408007] RDX: 000055841c783e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.409084] RBP: 00007ffe80d56590 R08: 0000000000000000 R09: 00007ffe80d55c30 [ 39.410153] R10: 0000000000000000 R11: 0000000000000246 R12: 000055845ad0fbf0 [ 39.411242] R13: 00007ffe80d569c0 R14: 000055845ad19380 R15: 000055845ad24460 [ 39.412340] [ 39.412694] irq event stamp: 1821 [ 39.413235] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 39.414495] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 39.415780] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 39.417064] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 39.418324] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.375048] ------------[ cut here ]------------ [ 42.375993] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.378042] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 42.379499] Modules linked in: [ 42.380144] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.382173] Tainted: [W]=WARN [ 42.382740] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.384240] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.385158] 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 [ 42.388353] RSP: 0018:ffff8880173a7bc0 EFLAGS: 00010286 [ 42.389347] RAX: 0000000000000000 RBX: ffffed1002e74f78 RCX: ffffffff813a4050 [ 42.390657] RDX: ffff888016e70000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.391980] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e74f2f [ 42.393283] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.394584] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173a7df8 [ 42.395909] FS: 00007f85209d9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.397359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.398441] CR2: 00007f8520f3f4a6 CR3: 000000001f2d4000 CR4: 0000000000350ef0 [ 42.399758] Call Trace: [ 42.400264] [ 42.400674] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.401582] ? __create_object+0x59/0x80 [ 42.402379] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.403353] __vmalloc_noprof+0x59/0x60 [ 42.404150] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.405037] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.405979] bpf_prog_alloc+0x39/0x200 [ 42.406678] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.407628] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.408528] do_seccomp+0x349/0x25e0 [ 42.409247] ? find_held_lock+0x2b/0x80 [ 42.410013] ? do_prlimit+0x310/0x610 [ 42.410721] ? __pfx_do_seccomp+0x10/0x10 [ 42.411530] ? do_raw_spin_unlock+0x53/0x220 [ 42.412386] ? _raw_spin_unlock+0x1e/0x40 [ 42.413181] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.414158] ? static_key_count+0x60/0x80 [ 42.414971] prctl_set_seccomp+0x4e/0x70 [ 42.415725] __do_sys_prctl+0xe6c/0x1d70 [ 42.416522] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.417393] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.418369] ? irqentry_exit+0xf3/0x650 [ 42.419139] do_syscall_64+0xbf/0x430 [ 42.419856] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.420814] RIP: 0033:0x7f8520ecb5cd [ 42.421546] 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 [ 42.424748] RSP: 002b:00007ffd0ae631d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.426107] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8520ecb5cd [ 42.427405] RDX: 000055b03f6dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.428705] RBP: 00007ffd0ae63230 R08: 0000000000000000 R09: 00007ffd0ae628d0 [ 42.430021] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b07df13240 [ 42.431319] R13: 00007ffd0ae63660 R14: 000055b07df1c380 R15: 000055b07df27540 [ 42.432663] [ 42.433142] irq event stamp: 1747 [ 42.433753] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 42.435276] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.436416] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 42.437405] softirqs last disabled at (1605): [] __irq_exit_rcu+0xc4/0x100 [ 42.438382] ---[ end trace 0000000000000000 ]--- [ 43.113473] ------------[ cut here ]------------ [ 43.114441] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.116957] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 43.118692] Modules linked in: [ 43.119489] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.121905] Tainted: [W]=WARN [ 43.122517] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.124039] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.124987] 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 [ 43.128221] RSP: 0018:ffff88800efffbc0 EFLAGS: 00010286 [ 43.129233] RAX: 0000000000000000 RBX: ffffed1001dfff78 RCX: ffffffff813a4050 [ 43.130587] RDX: ffff888016e73780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.131888] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dfff2f [ 43.133150] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.134396] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800efffdf8 [ 43.135657] FS: 00007f47d766a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.137083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.138123] CR2: 00007fffecac4ef7 CR3: 000000001f94b000 CR4: 0000000000350ef0 [ 43.139376] Call Trace: [ 43.139842] [ 43.140283] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.141181] ? __create_object+0x59/0x80 [ 43.141946] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.142858] __vmalloc_noprof+0x59/0x60 [ 43.143624] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.144476] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.145412] bpf_prog_alloc+0x39/0x200 [ 43.146127] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.147043] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.147935] do_seccomp+0x349/0x25e0 [ 43.148599] ? find_held_lock+0x2b/0x80 [ 43.149351] ? do_prlimit+0x310/0x610 [ 43.150071] ? __pfx_do_seccomp+0x10/0x10 [ 43.150795] ? do_raw_spin_unlock+0x53/0x220 [ 43.151630] ? _raw_spin_unlock+0x1e/0x40 [ 43.152395] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.153351] ? static_key_count+0x60/0x80 [ 43.154146] prctl_set_seccomp+0x4e/0x70 [ 43.154857] __do_sys_prctl+0xe6c/0x1d70 [ 43.155640] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.156482] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.157435] ? irqentry_exit+0xf3/0x650 [ 43.158190] do_syscall_64+0xbf/0x430 [ 43.158922] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.159822] RIP: 0033:0x7f47d7b5c5cd [ 43.160514] 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 [ 43.163632] RSP: 002b:00007fffecac3a00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.164969] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f47d7b5c5cd [ 43.166215] RDX: 0000557a9aed9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.167475] RBP: 00007fffecac3a60 R08: 0000000000000000 R09: 00007fffecac3100 [ 43.168731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557ab993bad0 [ 43.169988] R13: 00007fffecac3e90 R14: 0000557ab993cbc0 R15: 0000557ab994d780 [ 43.171263] [ 43.171689] irq event stamp: 1687 [ 43.172320] hardirqs last enabled at (1697): [] __up_console_sem+0x78/0x80 [ 43.173822] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 43.175322] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 43.176839] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 43.178331] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28950' (ECDSA) to the list of known hosts. 2025/11/17 13:39:44 fuzzer started 2025/11/17 13:39:44 dialing manager at localhost:37895 2025/11/17 13:39:44 checking machine... 2025/11/17 13:39:44 checking revisions... [ 44.070741] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:39:44 testing simple program... [ 44.157450] cgroup: Unknown subsys name 'net' [ 44.214781] cgroup: Unknown subsys name 'cpuset' [ 44.232203] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:39:43 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=ffff88801bdad340 RCX=bf8f23be2ec242e7 RDX=000000004e7d56d0 RSI=00000000585a4eba RDI=000000000e38ed84 RBP=ffff88801bdadd98 RSP=ffff88801505f528 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88801bdaddc0 R13=00000000a6d7a58a R14=0000000000000000 R15=bf8f23be2ec242e7 RIP=ffffffff81527633 RFL=00000093 [--S-A-C] 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 00007f85209d9900 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=00007f852099e008 CR3=000000000df2e000 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=000000000001dfd5 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 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f14a8912018 CR3=000000000d622000 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=aa8e0f5eefcd50830b42f3f7d7cb47f9 XMM02=0000000000301460eff9b2d0a8fce9cb XMM03=00000000003015302c67c8bc2e329bc3 XMM04=bf461371db397f4a00000000000ae988 XMM05=0b39c798a71319b6000000000031de78 XMM06=8fede82a5ad58cbe000000000031dd00 XMM07=e042d86d42eb936e000000000030d7c0 XMM08=0fe465c4d24ccb310000000000301530 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000