[ 39.841204] ------------[ cut here ]------------ [ 39.842170] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.844244] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.845826] Modules linked in: [ 39.846483] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.848592] Tainted: [W]=WARN [ 39.849187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.850744] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.851697] 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 [ 39.855053] RSP: 0018:ffff888018217bc0 EFLAGS: 00010286 [ 39.856107] RAX: 0000000000000000 RBX: ffffed1003042f78 RCX: ffffffff813a4050 [ 39.857481] RDX: ffff888016fa5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.858842] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003042f2f [ 39.860211] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.861587] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018217df8 [ 39.862949] FS: 00007faa0218c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.864482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.865638] CR2: 00007fff5ad90ef7 CR3: 000000000b7ee000 CR4: 0000000000350ef0 [ 39.866997] Call Trace: [ 39.867513] [ 39.867953] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.868941] ? __create_object+0x59/0x80 [ 39.869787] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.870817] __vmalloc_noprof+0x59/0x60 [ 39.871633] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.872582] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.873604] bpf_prog_alloc+0x39/0x200 [ 39.874326] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.875306] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.876283] do_seccomp+0x349/0x25e0 [ 39.877073] ? find_held_lock+0x2b/0x80 [ 39.877895] ? do_prlimit+0x310/0x610 [ 39.878690] ? __pfx_do_seccomp+0x10/0x10 [ 39.879505] ? do_raw_spin_unlock+0x53/0x220 [ 39.880351] ? _raw_spin_unlock+0x1e/0x40 [ 39.881203] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.882237] ? static_key_count+0x60/0x80 [ 39.883097] prctl_set_seccomp+0x4e/0x70 [ 39.883917] __do_sys_prctl+0xe6c/0x1d70 [ 39.884789] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.885699] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.886730] ? irqentry_exit+0xf3/0x650 [ 39.887517] do_syscall_64+0xbf/0x430 [ 39.888274] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.889298] RIP: 0033:0x7faa0267e5cd [ 39.890058] 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 [ 39.893446] RSP: 002b:00007fff5ad8fa40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.894896] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa0267e5cd [ 39.896271] RDX: 0000559b718bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.897652] RBP: 00007fff5ad8faa0 R08: 0000000000000000 R09: 00007fff5ad8f140 [ 39.899008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559ba8eb2ad0 [ 39.900371] R13: 00007fff5ad8fed0 R14: 0000559ba8eb3bc0 R15: 0000559ba8ec4780 [ 39.901781] [ 39.902220] irq event stamp: 1771 [ 39.902918] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 39.904505] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 39.905867] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 39.907220] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 39.908571] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.723423] ------------[ cut here ]------------ [ 42.724169] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.725979] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.727147] Modules linked in: [ 42.727659] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.729239] Tainted: [W]=WARN [ 42.729723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.730874] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.731597] 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 [ 42.734114] RSP: 0018:ffff88801adffbc0 EFLAGS: 00010286 [ 42.734895] RAX: 0000000000000000 RBX: ffffed10035bff78 RCX: ffffffff813a4050 [ 42.735904] RDX: ffff88800a9ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.736928] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035bff2f [ 42.737955] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.738976] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801adffdf8 [ 42.739993] FS: 00007fc585fad900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.741149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.742006] CR2: 00007ffcc2a1eef7 CR3: 000000000b786000 CR4: 0000000000350ef0 [ 42.743031] Call Trace: [ 42.743396] [ 42.743770] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.744487] ? __create_object+0x59/0x80 [ 42.745077] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.745864] __vmalloc_noprof+0x59/0x60 [ 42.746459] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.747116] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.747859] bpf_prog_alloc+0x39/0x200 [ 42.748411] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.749161] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.749884] do_seccomp+0x349/0x25e0 [ 42.750410] ? find_held_lock+0x2b/0x80 [ 42.751019] ? do_prlimit+0x310/0x610 [ 42.751620] ? __pfx_do_seccomp+0x10/0x10 [ 42.752215] ? do_raw_spin_unlock+0x53/0x220 [ 42.752874] ? _raw_spin_unlock+0x1e/0x40 [ 42.753477] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.754206] ? static_key_count+0x60/0x80 [ 42.754858] prctl_set_seccomp+0x4e/0x70 [ 42.755470] __do_sys_prctl+0xe6c/0x1d70 [ 42.756085] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.756777] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.757532] ? irqentry_exit+0xf3/0x650 [ 42.758112] do_syscall_64+0xbf/0x430 [ 42.758705] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.759409] RIP: 0033:0x7fc58649f5cd [ 42.759993] 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 [ 42.762487] RSP: 002b:00007ffcc2a1c870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.763575] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc58649f5cd [ 42.764615] RDX: 000055b0683cde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.765650] RBP: 00007ffcc2a1c8d0 R08: 0000000000000000 R09: 00007ffcc2a1bf70 [ 42.766658] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b0936dcad0 [ 42.767670] R13: 00007ffcc2a1cd00 R14: 000055b0936ddbc0 R15: 000055b0936ee780 [ 42.768736] [ 42.769070] irq event stamp: 1837 [ 42.769587] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 42.770793] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 42.771998] softirqs last enabled at (1588): [] handle_softirqs+0x50c/0x770 [ 42.773238] softirqs last disabled at (1583): [] __irq_exit_rcu+0xc4/0x100 [ 42.774459] ---[ end trace 0000000000000000 ]--- [ 43.666047] ------------[ cut here ]------------ [ 43.667082] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.669272] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.671054] Modules linked in: [ 43.671992] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.674223] Tainted: [W]=WARN [ 43.674884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.676465] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.677401] 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 [ 43.680823] RSP: 0018:ffff88800a9b7bc0 EFLAGS: 00010286 [ 43.681869] RAX: 0000000000000000 RBX: ffffed1001536f78 RCX: ffffffff813a4050 [ 43.683242] RDX: ffff888016fa0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.684633] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001536f2f [ 43.686016] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.687378] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a9b7df8 [ 43.688810] FS: 00007f58eeb88900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.690342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.691470] CR2: 00007fffa1067ef7 CR3: 000000001f2e0000 CR4: 0000000000350ef0 [ 43.692873] Call Trace: [ 43.693365] [ 43.693865] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.694830] ? __create_object+0x59/0x80 [ 43.695675] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.696738] __vmalloc_noprof+0x59/0x60 [ 43.697536] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.698486] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.699468] bpf_prog_alloc+0x39/0x200 [ 43.700227] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.701454] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.702649] do_seccomp+0x349/0x25e0 [ 43.703611] ? find_held_lock+0x2b/0x80 [ 43.704662] ? do_prlimit+0x310/0x610 [ 43.705663] ? __pfx_do_seccomp+0x10/0x10 [ 43.706732] ? do_raw_spin_unlock+0x53/0x220 [ 43.707851] ? _raw_spin_unlock+0x1e/0x40 [ 43.708842] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.709873] ? static_key_count+0x60/0x80 [ 43.710720] prctl_set_seccomp+0x4e/0x70 [ 43.711525] __do_sys_prctl+0xe6c/0x1d70 [ 43.712337] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.713252] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.714284] ? irqentry_exit+0xf3/0x650 [ 43.715096] do_syscall_64+0xbf/0x430 [ 43.715908] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.716944] RIP: 0033:0x7f58ef07a5cd [ 43.717704] 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 [ 43.721028] RSP: 002b:00007fffa1065510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.722457] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58ef07a5cd [ 43.723811] RDX: 000055d6753b4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.725176] RBP: 00007fffa1065570 R08: 0000000000000000 R09: 00007fffa1064c10 [ 43.726488] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d6923a3ad0 [ 43.727834] R13: 00007fffa10659a0 R14: 000055d6923a4bc0 R15: 000055d6923b5780 [ 43.729207] [ 43.729693] irq event stamp: 1775 [ 43.730306] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 43.731893] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 43.733337] softirqs last enabled at (1568): [] handle_softirqs+0x50c/0x770 [ 43.734712] softirqs last disabled at (1563): [] __irq_exit_rcu+0xc4/0x100 [ 43.736087] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29171' (ECDSA) to the list of known hosts. 2025/11/18 09:49:01 fuzzer started 2025/11/18 09:49:01 dialing manager at localhost:34383 2025/11/18 09:49:01 checking machine... 2025/11/18 09:49:01 checking revisions... [ 44.676309] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:49:01 testing simple program... [ 44.769270] cgroup: Unknown subsys name 'net' [ 44.826984] cgroup: Unknown subsys name 'cpuset' [ 44.838663] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:49:00 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=dffffc0000000000 RCX=ffffffff815d6c40 RDX=ffff888008c4b77f RSI=ffffffff815d6c98 RDI=ffff88806ce31cd0 RBP=ffff888009627c30 RSP=ffff888009627bd0 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=ffffffff8664f857 R11=0000000000000001 R12=ffffea0000375540 R13=ffff888009627cb8 R14=ffff88800dd55b90 R15=ffff888008c4b780 RIP=ffffffff81ab643e 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe87a85d78 CR3=000000000d45e000 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=6cb554d0e04fd49d2b43b70a823c5669 XMM02=0000000000304730d59e07bde36eea69 XMM03=0000000000304858ec2efd57dc4c00df XMM04=ffabe434363c751800000000000ae988 XMM05=0266dd73e859398c0000000000322910 XMM06=817b8945e9d503730000000000320f60 XMM07=fb795ef6d65770560000000000310228 XMM08=2c67c8bc2e329bc30000000000304858 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880e548f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88801af5fbc8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=00000000ffffffff 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 00007fdf161d9700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcc2a16000 CR3=000000000b822000 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=39343a393020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323439 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000