[ 39.353155] ------------[ cut here ]------------ [ 39.354139] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.356155] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.357676] Modules linked in: [ 39.358268] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.360278] Tainted: [W]=WARN [ 39.360876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.362373] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.363294] 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 [ 39.366481] RSP: 0018:ffff888019ae7bc0 EFLAGS: 00010286 [ 39.367403] RAX: 0000000000000000 RBX: ffffed100335cf78 RCX: ffffffff813a4050 [ 39.368709] RDX: ffff888015419bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.370010] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100335cf2f [ 39.371288] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.372635] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ae7df8 [ 39.373910] FS: 00007fa48d532900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.375382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.376465] CR2: 00007fa48da24580 CR3: 000000000d5d0000 CR4: 0000000000350ef0 [ 39.377740] Call Trace: [ 39.378203] [ 39.378666] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.379615] ? __create_object+0x59/0x80 [ 39.380366] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.381331] __vmalloc_noprof+0x59/0x60 [ 39.382078] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.382941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.383931] bpf_prog_alloc+0x39/0x200 [ 39.384683] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.385630] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.386534] do_seccomp+0x349/0x25e0 [ 39.387197] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.388147] ? __pfx_do_seccomp+0x10/0x10 [ 39.388933] ? find_held_lock+0x2b/0x80 [ 39.389740] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.390706] ? static_key_count+0x60/0x80 [ 39.391500] prctl_set_seccomp+0x4e/0x70 [ 39.392244] __do_sys_prctl+0xe6c/0x1d70 [ 39.393032] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.393924] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.394897] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.395890] ? irqentry_exit+0xf3/0x650 [ 39.396658] do_syscall_64+0xbf/0x430 [ 39.397398] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.398381] RIP: 0033:0x7fa48da245cd [ 39.399102] 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 [ 39.402241] RSP: 002b:00007fff504d3d20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.403614] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa48da245cd [ 39.404909] RDX: 000055a676b80e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.406201] RBP: 00007fff504d3d80 R08: 0000000000000000 R09: 00007fff504d3420 [ 39.407483] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a6918afad0 [ 39.408789] R13: 00007fff504d41b0 R14: 000055a6918b0bc0 R15: 000055a6918c1780 [ 39.410089] [ 39.410557] irq event stamp: 1731 [ 39.411172] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 39.412694] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 39.414211] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 39.415764] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 39.417045] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.774624] ------------[ cut here ]------------ [ 42.775512] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.777556] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.778998] Modules linked in: [ 42.779612] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.781848] Tainted: [W]=WARN [ 42.782400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.783916] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.784816] 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 [ 42.787923] RSP: 0018:ffff888016b77bc0 EFLAGS: 00010286 [ 42.788876] RAX: 0000000000000000 RBX: ffffed1002d6ef78 RCX: ffffffff813a4050 [ 42.790140] RDX: ffff888016531bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.791388] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6ef2f [ 42.792656] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.793908] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b77df8 [ 42.795166] FS: 00007f459dd04900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.796585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.797620] CR2: 00007f459e1f6580 CR3: 000000000e0dc000 CR4: 0000000000350ef0 [ 42.798873] Call Trace: [ 42.799328] [ 42.799783] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.800670] ? __create_object+0x59/0x80 [ 42.801408] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.802367] __vmalloc_noprof+0x59/0x60 [ 42.803115] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.803990] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.804942] bpf_prog_alloc+0x39/0x200 [ 42.805678] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.806586] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.807473] do_seccomp+0x349/0x25e0 [ 42.808143] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.809027] ? __pfx_do_seccomp+0x10/0x10 [ 42.809796] ? find_held_lock+0x2b/0x80 [ 42.810544] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.811488] ? static_key_count+0x60/0x80 [ 42.812247] prctl_set_seccomp+0x4e/0x70 [ 42.813009] __do_sys_prctl+0xe6c/0x1d70 [ 42.813779] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.814630] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.815590] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.816550] ? irqentry_exit+0xf3/0x650 [ 42.817253] do_syscall_64+0xbf/0x430 [ 42.817983] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.818913] RIP: 0033:0x7f459e1f65cd [ 42.819605] 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 [ 42.822724] RSP: 002b:00007ffc46de4990 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.824085] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f459e1f65cd [ 42.825339] RDX: 000055d122087e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.826598] RBP: 00007ffc46de49f0 R08: 0000000000000000 R09: 00007ffc46de4090 [ 42.827877] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d13883aad0 [ 42.828998] R13: 00007ffc46de4e20 R14: 000055d13883bbc0 R15: 000055d13884c780 [ 42.830055] [ 42.830400] irq event stamp: 2979 [ 42.830935] hardirqs last enabled at (2989): [] __up_console_sem+0x78/0x80 [ 42.832199] hardirqs last disabled at (2998): [] __up_console_sem+0x5d/0x80 [ 42.833452] softirqs last enabled at (2824): [] handle_softirqs+0x50c/0x770 [ 42.834722] softirqs last disabled at (2819): [] __irq_exit_rcu+0xc4/0x100 [ 42.835976] ---[ end trace 0000000000000000 ]--- [ 43.641270] ------------[ cut here ]------------ [ 43.642176] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.644167] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.645609] Modules linked in: [ 43.646205] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.648384] Tainted: [W]=WARN [ 43.649074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.650523] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.651390] 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 [ 43.654524] RSP: 0018:ffff888016e3fbc0 EFLAGS: 00010286 [ 43.655491] RAX: 0000000000000000 RBX: ffffed1002dc7f78 RCX: ffffffff813a4050 [ 43.656783] RDX: ffff8880156a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.658049] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc7f2f [ 43.659310] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.660576] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e3fdf8 [ 43.661827] FS: 00007f1a4696f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.663229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.664272] CR2: 00007fffc123aef8 CR3: 0000000020173000 CR4: 0000000000350ef0 [ 43.665537] Call Trace: [ 43.665992] [ 43.666391] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.667271] ? __create_object+0x59/0x80 [ 43.668050] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.668999] __vmalloc_noprof+0x59/0x60 [ 43.669735] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.670590] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.671497] bpf_prog_alloc+0x39/0x200 [ 43.672196] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.673101] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.673990] do_seccomp+0x349/0x25e0 [ 43.674704] ? find_held_lock+0x2b/0x80 [ 43.675418] ? do_prlimit+0x310/0x610 [ 43.676158] ? __pfx_do_seccomp+0x10/0x10 [ 43.676930] ? do_raw_spin_unlock+0x53/0x220 [ 43.677735] ? _raw_spin_unlock+0x1e/0x40 [ 43.678499] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.679400] ? static_key_count+0x60/0x80 [ 43.680184] prctl_set_seccomp+0x4e/0x70 [ 43.680943] __do_sys_prctl+0xe6c/0x1d70 [ 43.681716] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.682560] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.683506] ? irqentry_exit+0xf3/0x650 [ 43.684222] do_syscall_64+0xbf/0x430 [ 43.684944] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.685893] RIP: 0033:0x7f1a46e615cd [ 43.686586] 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 [ 43.689690] RSP: 002b:00007fffc12387f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.691019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a46e615cd [ 43.692286] RDX: 0000562d3b565e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.693533] RBP: 00007fffc1238850 R08: 0000000000000000 R09: 00007fffc1237ef0 [ 43.694778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d497412b0 [ 43.696048] R13: 00007fffc1238c80 R14: 0000562d49743d20 R15: 0000562d497558d0 [ 43.697320] [ 43.697769] irq event stamp: 1795 [ 43.698358] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 43.699849] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 43.701130] softirqs last enabled at (1324): [] handle_softirqs+0x50c/0x770 [ 43.702395] softirqs last disabled at (1299): [] __irq_exit_rcu+0xc4/0x100 [ 43.703664] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39242' (ECDSA) to the list of known hosts. 2025/11/18 21:15:15 fuzzer started 2025/11/18 21:15:16 dialing manager at localhost:34383 2025/11/18 21:15:16 checking machine... 2025/11/18 21:15:16 checking revisions... [ 44.575386] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:15:16 testing simple program... [ 44.661272] cgroup: Unknown subsys name 'net' [ 44.733250] cgroup: Unknown subsys name 'cpuset' [ 44.745740] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:15:15 Registers: info registers vcpu 0 RAX=0000000000046731 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055d13885f768 CR3=000000000d87e000 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=f882661adb309883c741893517df74b1 XMM02=2c67c8bc2e329bc300000000003061f8 XMM03=fb795ef6d65770560000000000313090 XMM04=9eac211c658ccb8b00000000000ae988 XMM05=eaa66ba4754b7cd30000000000323598 XMM06=5b75c91c804453420000000000322638 XMM07=e042d86d42eb936e0000000000313368 XMM08=a9c8e3bbbdb5e4680000000000306258 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880e548f000 RCX=ffffffff86a0bbf4 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88806cf08938 R8 =ffffffff86a0bbf8 R9 =ffff88806cf08a40 R10=000000000003c9ed R11=00000000000089b8 R12=ffffffff8135e7a2 R13=ffff88806cf08a48 R14=ffff88806cf08ff8 R15=ffff88806cf08a00 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 00007f459dd04900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc46dde000 CR3=000000002013b000 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