[ 38.870847] ------------[ cut here ]------------ [ 38.871764] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.873784] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.875366] Modules linked in: [ 38.875951] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.877965] Tainted: [W]=WARN [ 38.878564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.880055] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.880933] 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 [ 38.884112] RSP: 0018:ffff88801ae87bc0 EFLAGS: 00010286 [ 38.885115] RAX: 0000000000000000 RBX: ffffed10035d0f78 RCX: ffffffff813a4050 [ 38.886409] RDX: ffff88800f7a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.887687] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035d0f2f [ 38.889010] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.890322] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ae87df8 [ 38.891615] FS: 00007f89bcb32900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.893073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.894145] CR2: 00007f89bd024580 CR3: 000000000fd97000 CR4: 0000000000350ef0 [ 38.895443] Call Trace: [ 38.895915] [ 38.896381] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.897287] ? __create_object+0x59/0x80 [ 38.898073] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.899005] __vmalloc_noprof+0x59/0x60 [ 38.899773] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.900672] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.901639] bpf_prog_alloc+0x39/0x200 [ 38.902391] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.903326] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.904250] do_seccomp+0x349/0x25e0 [ 38.904934] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.905837] ? __pfx_do_seccomp+0x10/0x10 [ 38.906620] ? find_held_lock+0x2b/0x80 [ 38.907365] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.908328] ? static_key_count+0x60/0x80 [ 38.909125] prctl_set_seccomp+0x4e/0x70 [ 38.909855] __do_sys_prctl+0xe6c/0x1d70 [ 38.910636] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.911914] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.912905] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.913864] ? irqentry_exit+0xf3/0x650 [ 38.914638] do_syscall_64+0xbf/0x430 [ 38.915373] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.916344] RIP: 0033:0x7f89bd0245cd [ 38.917002] 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 [ 38.920196] RSP: 002b:00007fffef3c9be0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.921540] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89bd0245cd [ 38.922810] RDX: 000055e647c7ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.924101] RBP: 00007fffef3c9c40 R08: 0000000000000000 R09: 00007fffef3c92e0 [ 38.925391] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e650f37ad0 [ 38.926664] R13: 00007fffef3ca070 R14: 000055e650f38bc0 R15: 000055e650f49780 [ 38.927962] [ 38.928451] irq event stamp: 1753 [ 38.929087] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 38.930595] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 38.932123] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 38.933653] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 38.935172] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.956584] ------------[ cut here ]------------ [ 41.957013] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.957953] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 41.958653] Modules linked in: [ 41.958931] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.959852] Tainted: [W]=WARN [ 41.960140] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.960793] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.961222] 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 [ 41.962674] RSP: 0018:ffff888017647bc0 EFLAGS: 00010286 [ 41.963117] RAX: 0000000000000000 RBX: ffffed1002ec8f78 RCX: ffffffff813a4050 [ 41.963689] RDX: ffff888016018000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.964293] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec8f2f [ 41.964859] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.965446] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017647df8 [ 41.966036] FS: 00007f0c88184900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.966674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.967167] CR2: 00007f0c88676580 CR3: 000000000d65a000 CR4: 0000000000350ef0 [ 41.967734] Call Trace: [ 41.967944] [ 41.968159] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.968552] ? __create_object+0x59/0x80 [ 41.968888] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.969333] __vmalloc_noprof+0x59/0x60 [ 41.969663] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.970061] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.970467] bpf_prog_alloc+0x39/0x200 [ 41.970783] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.971212] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.971604] do_seccomp+0x349/0x25e0 [ 41.971910] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.972333] ? __pfx_do_seccomp+0x10/0x10 [ 41.972676] ? find_held_lock+0x2b/0x80 [ 41.973005] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.973443] ? static_key_count+0x60/0x80 [ 41.973788] prctl_set_seccomp+0x4e/0x70 [ 41.974139] __do_sys_prctl+0xe6c/0x1d70 [ 41.974481] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.974850] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.975294] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.975717] ? irqentry_exit+0xf3/0x650 [ 41.976066] do_syscall_64+0xbf/0x430 [ 41.976392] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.976808] RIP: 0033:0x7f0c886765cd [ 41.977134] 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 [ 41.978588] RSP: 002b:00007ffea84ef2f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.979211] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0c886765cd [ 41.979782] RDX: 0000555777a47e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.980381] RBP: 00007ffea84ef350 R08: 0000000000000000 R09: 00007ffea84ee9f0 [ 41.980947] R10: 0000000000000000 R11: 0000000000000246 R12: 000055579e266b10 [ 41.981538] R13: 00007ffea84ef780 R14: 000055579e2672b0 R15: 000055579e27b6f0 [ 41.982138] [ 41.982331] irq event stamp: 1683 [ 41.982607] hardirqs last enabled at (1691): [] __up_console_sem+0x78/0x80 [ 41.983347] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 41.984045] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 41.984739] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 41.985433] ---[ end trace 0000000000000000 ]--- [ 42.806588] ------------[ cut here ]------------ [ 42.807405] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.809196] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.810415] Modules linked in: [ 42.810914] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.812632] Tainted: [W]=WARN [ 42.813135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.814368] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.815134] 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 [ 42.817814] RSP: 0018:ffff88801723fbc0 EFLAGS: 00010286 [ 42.818643] RAX: 0000000000000000 RBX: ffffed1002e47f78 RCX: ffffffff813a4050 [ 42.819729] RDX: ffff888014219bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.820827] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e47f2f [ 42.821917] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.823002] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801723fdf8 [ 42.824124] FS: 00007fe2452c7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.825341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.826245] CR2: 00007ffc68513ef8 CR3: 000000000d317000 CR4: 0000000000350ef0 [ 42.827337] Call Trace: [ 42.827731] [ 42.828115] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.828851] ? __create_object+0x59/0x80 [ 42.829510] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.830321] __vmalloc_noprof+0x59/0x60 [ 42.830925] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.831666] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.832471] bpf_prog_alloc+0x39/0x200 [ 42.833101] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.833854] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.834624] do_seccomp+0x349/0x25e0 [ 42.835252] ? find_held_lock+0x2b/0x80 [ 42.835858] ? do_prlimit+0x310/0x610 [ 42.836496] ? __pfx_do_seccomp+0x10/0x10 [ 42.837172] ? do_raw_spin_unlock+0x53/0x220 [ 42.837844] ? _raw_spin_unlock+0x1e/0x40 [ 42.838502] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.839335] ? static_key_count+0x60/0x80 [ 42.839984] prctl_set_seccomp+0x4e/0x70 [ 42.840663] __do_sys_prctl+0xe6c/0x1d70 [ 42.841335] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.842059] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.842844] ? irqentry_exit+0xf3/0x650 [ 42.843510] do_syscall_64+0xbf/0x430 [ 42.844158] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.844936] RIP: 0033:0x7fe2457b95cd [ 42.845535] 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 [ 42.848265] RSP: 002b:00007ffc68511570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.849443] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2457b95cd [ 42.850546] RDX: 000055647edade00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.851658] RBP: 00007ffc685115d0 R08: 0000000000000000 R09: 00007ffc68510c70 [ 42.852773] R10: 0000000000000000 R11: 0000000000000246 R12: 000055648ba4cbf0 [ 42.853880] R13: 00007ffc68511a00 R14: 000055648ba56380 R15: 000055648ba61460 [ 42.855036] [ 42.855397] irq event stamp: 1817 [ 42.855918] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 42.857256] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 42.858578] softirqs last enabled at (1840): [] handle_softirqs+0x50c/0x770 [ 42.859928] softirqs last disabled at (1833): [] __irq_exit_rcu+0xc4/0x100 [ 42.861257] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25745' (ECDSA) to the list of known hosts. 2025/11/17 15:48:29 fuzzer started 2025/11/17 15:48:29 dialing manager at localhost:37895 2025/11/17 15:48:29 checking machine... 2025/11/17 15:48:29 checking revisions... [ 43.758486] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:48:29 testing simple program... [ 43.841142] cgroup: Unknown subsys name 'net' [ 43.907543] cgroup: Unknown subsys name 'cpuset' [ 43.922393] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:48:28 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888016348000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888016348a58 RDI=ffff888016348000 RBP=ffff888016348a58 RSP=ffff88801711f5f0 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016348a58 R13=0000000000000000 R14=0000000000000000 R15=0000000000000005 RIP=ffffffff815273eb RFL=00000047 [---Z-PC] 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 00007f0c88184900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffea84e9000 CR3=000000000d35f000 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=6720646572637465733a4d41503d706f 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=0000000000025da5 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5a2dfe12e8 CR3=0000000013de6000 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=b7e4828902cdd7971b4b05aaac7970af XMM02=0000000000304878ec2efd57dc4c00df XMM03=0000000000310108c3b9e8081d2b78fd XMM04=e2b8b5405cfdc39200000000000ae988 XMM05=14648eaa1277bab100000000003207b0 XMM06=817b8945e9d503730000000000320638 XMM07=e042d86d42eb936e00000000003103e0 XMM08=c3b9e8081d2b78fd00000000003048d8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000