[ 38.931830] ------------[ cut here ]------------ [ 38.932767] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.934762] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.936225] Modules linked in: [ 38.936810] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.938821] Tainted: [W]=WARN [ 38.939421] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.940898] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.941813] 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 [ 38.945000] RSP: 0018:ffff888018bcfbc0 EFLAGS: 00010286 [ 38.945978] RAX: 0000000000000000 RBX: ffffed1003179f78 RCX: ffffffff813a4050 [ 38.947277] RDX: ffff888018970000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.948596] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003179f2f [ 38.949903] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.951195] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018bcfdf8 [ 38.952507] FS: 00007f629d34b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.953955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.955028] CR2: 00007f629d8b14a6 CR3: 000000000e277000 CR4: 0000000000350ef0 [ 38.956353] Call Trace: [ 38.956833] [ 38.957298] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.958225] ? __create_object+0x59/0x80 [ 38.958991] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.959996] __vmalloc_noprof+0x59/0x60 [ 38.960806] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.961711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.962677] bpf_prog_alloc+0x39/0x200 [ 38.963445] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.964424] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.965359] do_seccomp+0x349/0x25e0 [ 38.966047] ? find_held_lock+0x2b/0x80 [ 38.966829] ? do_prlimit+0x310/0x610 [ 38.967584] ? __pfx_do_seccomp+0x10/0x10 [ 38.968393] ? do_raw_spin_unlock+0x53/0x220 [ 38.969239] ? _raw_spin_unlock+0x1e/0x40 [ 38.969987] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.970965] ? static_key_count+0x60/0x80 [ 38.971770] prctl_set_seccomp+0x4e/0x70 [ 38.972575] __do_sys_prctl+0xe6c/0x1d70 [ 38.973366] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.974244] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.975234] ? irqentry_exit+0xf3/0x650 [ 38.975971] do_syscall_64+0xbf/0x430 [ 38.976738] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.977716] RIP: 0033:0x7f629d83d5cd [ 38.978435] 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 [ 38.981745] RSP: 002b:00007ffdb83aff70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.983172] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f629d83d5cd [ 38.984538] RDX: 000055a9b8a74e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.985902] RBP: 00007ffdb83affd0 R08: 0000000000000000 R09: 00007ffdb83af670 [ 38.987318] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a9d3ef9ad0 [ 38.988708] R13: 00007ffdb83b0400 R14: 000055a9d3efabc0 R15: 000055a9d3f0b780 [ 38.989904] [ 38.990328] irq event stamp: 1721 [ 38.991014] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 38.992420] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 38.993804] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 38.995200] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 38.996590] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.917892] ------------[ cut here ]------------ [ 41.918838] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.920861] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.922329] Modules linked in: [ 41.922927] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.924970] Tainted: [W]=WARN [ 41.925589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.927341] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.928348] 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 [ 41.931601] RSP: 0018:ffff888016c07bc0 EFLAGS: 00010286 [ 41.932607] RAX: 0000000000000000 RBX: ffffed1002d80f78 RCX: ffffffff813a4050 [ 41.933914] RDX: ffff888018bd5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.935211] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d80f2f [ 41.936526] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.937808] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c07df8 [ 41.939087] FS: 00007f6efcb9f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.940558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.941615] CR2: 00007f6efd1054a6 CR3: 0000000009b9e000 CR4: 0000000000350ef0 [ 41.942936] Call Trace: [ 41.943455] [ 41.943880] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.944811] ? __create_object+0x59/0x80 [ 41.945606] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.946604] __vmalloc_noprof+0x59/0x60 [ 41.947370] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.948262] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.949202] bpf_prog_alloc+0x39/0x200 [ 41.949910] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.950858] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.951780] do_seccomp+0x349/0x25e0 [ 41.952519] ? find_held_lock+0x2b/0x80 [ 41.953304] ? do_prlimit+0x310/0x610 [ 41.954016] ? __pfx_do_seccomp+0x10/0x10 [ 41.954813] ? do_raw_spin_unlock+0x53/0x220 [ 41.955666] ? _raw_spin_unlock+0x1e/0x40 [ 41.956471] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.957456] ? static_key_count+0x60/0x80 [ 41.958277] prctl_set_seccomp+0x4e/0x70 [ 41.959037] __do_sys_prctl+0xe6c/0x1d70 [ 41.959831] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.960722] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.961717] ? irqentry_exit+0xf3/0x650 [ 41.962501] do_syscall_64+0xbf/0x430 [ 41.963261] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.964250] RIP: 0033:0x7f6efd0915cd [ 41.964933] 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 [ 41.968195] RSP: 002b:00007ffd45634060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.969602] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6efd0915cd [ 41.970922] RDX: 000055ec4cefbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.972249] RBP: 00007ffd456340c0 R08: 0000000000000000 R09: 00007ffd45633760 [ 41.973567] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec86951ad0 [ 41.974874] R13: 00007ffd456344f0 R14: 000055ec86952bc0 R15: 000055ec86963780 [ 41.976211] [ 41.976645] irq event stamp: 1805 [ 41.977308] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 41.978868] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 41.980426] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 41.981833] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 41.983204] ---[ end trace 0000000000000000 ]--- [ 42.740166] ------------[ cut here ]------------ [ 42.741211] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.743549] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.745471] Modules linked in: [ 42.746291] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.748616] Tainted: [W]=WARN [ 42.749329] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.751046] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.752160] 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 [ 42.755835] RSP: 0018:ffff888015ab7bc0 EFLAGS: 00010286 [ 42.757008] RAX: 0000000000000000 RBX: ffffed1002b56f78 RCX: ffffffff813a4050 [ 42.758510] RDX: ffff8880175e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.760000] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b56f2f [ 42.761515] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.763007] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ab7df8 [ 42.764516] FS: 00007f5b5d245900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.766181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.767424] CR2: 00007f5b5d737580 CR3: 000000001fb78000 CR4: 0000000000350ef0 [ 42.768954] Call Trace: [ 42.769555] [ 42.770028] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.771083] ? __create_object+0x59/0x80 [ 42.771967] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.773061] __vmalloc_noprof+0x59/0x60 [ 42.773812] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.774682] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.775609] bpf_prog_alloc+0x39/0x200 [ 42.776366] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.777284] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.778176] do_seccomp+0x349/0x25e0 [ 42.778837] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.779725] ? __pfx_do_seccomp+0x10/0x10 [ 42.780523] ? find_held_lock+0x2b/0x80 [ 42.781269] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.782232] ? static_key_count+0x60/0x80 [ 42.782977] prctl_set_seccomp+0x4e/0x70 [ 42.783749] __do_sys_prctl+0xe6c/0x1d70 [ 42.784529] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.785374] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.786322] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.787280] ? irqentry_exit+0xf3/0x650 [ 42.787992] do_syscall_64+0xbf/0x430 [ 42.788741] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.789684] RIP: 0033:0x7f5b5d7375cd [ 42.790388] 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 [ 42.793425] RSP: 002b:00007ffe6a500f30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.794520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b5d7375cd [ 42.795548] RDX: 000055f027347e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.796590] RBP: 00007ffe6a500f90 R08: 0000000000000000 R09: 00007ffe6a500630 [ 42.797631] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f052f802b0 [ 42.798658] R13: 00007ffe6a5013c0 R14: 000055f052f82d20 R15: 000055f052f948d0 [ 42.799705] [ 42.800048] irq event stamp: 1809 [ 42.800579] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 42.801797] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 42.803028] softirqs last enabled at (1470): [] handle_softirqs+0x50c/0x770 [ 42.804276] softirqs last disabled at (1465): [] __irq_exit_rcu+0xc4/0x100 [ 42.805479] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46407' (ECDSA) to the list of known hosts. 2025/11/18 08:41:48 fuzzer started 2025/11/18 08:41:48 dialing manager at localhost:34383 2025/11/18 08:41:48 checking machine... 2025/11/18 08:41:48 checking revisions... [ 43.676226] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:41:48 testing simple program... [ 43.779971] cgroup: Unknown subsys name 'net' [ 43.883416] cgroup: Unknown subsys name 'cpuset' [ 43.902291] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 08:41:47 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801cf65000 RCX=000000000000007c RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88801cf65c20 RBP=ffffea000073d940 RSP=ffff888016647880 R8 =0000000000001000 R9 =0000000000000000 R10=ffffed10039eca00 R11=0000000000000001 R12=fffffbfff0b50a4c R13=fffffbfff0b50a4a R14=ffffea000073d980 R15=ffff88807ffdcb40 RIP=ffffffff84c5d0eb 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f6efcb9f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd4562cf2c CR3=000000000d8c0000 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=7cb9f04312f6c9718dbe7c8054897245 XMM03=c9ac6471f8a80d4c494ebea79e3e904e XMM04=ea47d0f159e6f5b568a555b67d3c6966 XMM05=000000000000000000000000000000ff XMM06=c947647159a80d4c494e55a77d3c694e XMM07=672065736f6c635f6e6f69737365733a XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020000 RBX=ffff88800f313780 RCX=0000000000000000 RDX=0000000000020005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88800f3141d8 RSP=ffff888019937258 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88800f314200 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270cc RFL=00000006 [-----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 00007f814b65e700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffb478e8000 CR3=000000000e0f8000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732037343a3134 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363431 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000