[ 46.769923] ------------[ cut here ]------------ [ 46.770855] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.772913] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 46.774599] Modules linked in: [ 46.775259] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.777318] Tainted: [W]=WARN [ 46.777902] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.779407] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.780342] 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 [ 46.783565] RSP: 0018:ffff888016c77bc0 EFLAGS: 00010286 [ 46.784559] RAX: 0000000000000000 RBX: ffffed1002d8ef78 RCX: ffffffff813a4050 [ 46.785859] RDX: ffff8880162bb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.787162] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8ef2f [ 46.788453] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.789759] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c77df8 [ 46.791087] FS: 00007f15cdd11900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.792552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.793629] CR2: 00007f15ce203580 CR3: 000000000b88c000 CR4: 0000000000350ef0 [ 46.794941] Call Trace: [ 46.795436] [ 46.795848] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.796737] ? __create_object+0x59/0x80 [ 46.797518] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.798521] __vmalloc_noprof+0x59/0x60 [ 46.799290] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.800165] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.801093] bpf_prog_alloc+0x39/0x200 [ 46.801800] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.802727] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.803636] do_seccomp+0x349/0x25e0 [ 46.804362] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.805260] ? __pfx_do_seccomp+0x10/0x10 [ 46.806060] ? find_held_lock+0x2b/0x80 [ 46.806775] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.807756] ? static_key_count+0x60/0x80 [ 46.808556] prctl_set_seccomp+0x4e/0x70 [ 46.809332] __do_sys_prctl+0xe6c/0x1d70 [ 46.810135] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.810942] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.811909] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.812881] ? irqentry_exit+0xf3/0x650 [ 46.813644] do_syscall_64+0xbf/0x430 [ 46.814403] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.815443] RIP: 0033:0x7f15ce2035cd [ 46.816261] 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 [ 46.819914] RSP: 002b:00007ffe24055180 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.821499] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15ce2035cd [ 46.823009] RDX: 000056325a649e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.824477] RBP: 00007ffe240551e0 R08: 0000000000000000 R09: 00007ffe24054880 [ 46.825971] R10: 0000000000000000 R11: 0000000000000246 R12: 000056325ac6cad0 [ 46.827445] R13: 00007ffe24055610 R14: 000056325ac6dbc0 R15: 000056325ac7e780 [ 46.828937] [ 46.829465] irq event stamp: 1749 [ 46.830230] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 46.831978] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 46.833690] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 46.835373] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 46.836839] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.788150] ------------[ cut here ]------------ [ 49.789057] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.791089] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 49.792544] Modules linked in: [ 49.793167] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.795130] Tainted: [W]=WARN [ 49.795675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.797132] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.798039] 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 [ 49.801168] RSP: 0018:ffff888016c4fbc0 EFLAGS: 00010286 [ 49.802147] RAX: 0000000000000000 RBX: ffffed1002d89f78 RCX: ffffffff813a4050 [ 49.803411] RDX: ffff88800f3e9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.804681] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d89f2f [ 49.805972] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.807237] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c4fdf8 [ 49.808502] FS: 00007f2076a97900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.809934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.811007] CR2: 00007f2076ffd4a6 CR3: 000000001e299000 CR4: 0000000000350ef0 [ 49.812282] Call Trace: [ 49.812743] [ 49.813176] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.814063] ? __create_object+0x59/0x80 [ 49.814789] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.815740] __vmalloc_noprof+0x59/0x60 [ 49.816477] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.817325] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.818267] bpf_prog_alloc+0x39/0x200 [ 49.818999] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.819880] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.820783] do_seccomp+0x349/0x25e0 [ 49.821488] ? find_held_lock+0x2b/0x80 [ 49.822249] ? do_prlimit+0x310/0x610 [ 49.822934] ? __pfx_do_seccomp+0x10/0x10 [ 49.823725] ? do_raw_spin_unlock+0x53/0x220 [ 49.824548] ? _raw_spin_unlock+0x1e/0x40 [ 49.825327] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.826294] ? static_key_count+0x60/0x80 [ 49.827090] prctl_set_seccomp+0x4e/0x70 [ 49.827819] __do_sys_prctl+0xe6c/0x1d70 [ 49.828585] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.829429] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.830401] ? irqentry_exit+0xf3/0x650 [ 49.831155] do_syscall_64+0xbf/0x430 [ 49.831844] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.832782] RIP: 0033:0x7f2076f895cd [ 49.833482] 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 [ 49.836647] RSP: 002b:00007ffff3da5170 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.838013] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2076f895cd [ 49.839274] RDX: 0000556898506e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.840549] RBP: 00007ffff3da51d0 R08: 0000000000000000 R09: 00007ffff3da4870 [ 49.841823] R10: 0000000000000000 R11: 0000000000000246 R12: 00005568a025aad0 [ 49.843081] R13: 00007ffff3da5600 R14: 00005568a025bbc0 R15: 00005568a026c780 [ 49.844357] [ 49.844778] irq event stamp: 1697 [ 49.845424] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 49.846930] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 49.848463] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 49.850006] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 49.851499] ---[ end trace 0000000000000000 ]--- [ 50.482880] ------------[ cut here ]------------ [ 50.483868] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.486089] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/258 [ 50.487673] Modules linked in: [ 50.488362] CPU: 1 UID: 104 PID: 258 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.490794] Tainted: [W]=WARN [ 50.491507] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.493108] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.494105] 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 [ 50.497546] RSP: 0018:ffff888016dc7bc0 EFLAGS: 00010286 [ 50.498616] RAX: 0000000000000000 RBX: ffffed1002db8f78 RCX: ffffffff813a4050 [ 50.500026] RDX: ffff8880158f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.501438] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db8f2f [ 50.502847] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.504246] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dc7df8 [ 50.505650] FS: 00007fe628284900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.507231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.508389] CR2: 00007fe628776580 CR3: 000000001e030000 CR4: 0000000000350ef0 [ 50.509808] Call Trace: [ 50.510367] [ 50.510821] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.511807] ? __create_object+0x59/0x80 [ 50.512676] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.513762] __vmalloc_noprof+0x59/0x60 [ 50.514598] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.515561] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.516590] bpf_prog_alloc+0x39/0x200 [ 50.517404] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.518455] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.519457] do_seccomp+0x349/0x25e0 [ 50.520244] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.521229] ? __pfx_do_seccomp+0x10/0x10 [ 50.522147] ? find_held_lock+0x2b/0x80 [ 50.522944] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.524045] ? static_key_count+0x60/0x80 [ 50.524880] prctl_set_seccomp+0x4e/0x70 [ 50.525729] __do_sys_prctl+0xe6c/0x1d70 [ 50.526609] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.527554] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.528626] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.529695] ? irqentry_exit+0xf3/0x650 [ 50.530563] do_syscall_64+0xbf/0x430 [ 50.531392] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.532454] RIP: 0033:0x7fe6287765cd [ 50.533242] 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 [ 50.536800] RSP: 002b:00007ffde50e4980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.538327] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe6287765cd [ 50.539750] RDX: 000055aae7de9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.541026] RBP: 00007ffde50e49e0 R08: 0000000000000000 R09: 00007ffde50e4080 [ 50.542290] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ab0782bad0 [ 50.543453] R13: 00007ffde50e4e10 R14: 000055ab0782cbc0 R15: 000055ab0783d780 [ 50.544539] [ 50.544895] irq event stamp: 1817 [ 50.545437] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 50.546756] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 50.548032] softirqs last enabled at (1572): [] handle_softirqs+0x50c/0x770 [ 50.549339] softirqs last disabled at (1567): [] __irq_exit_rcu+0xc4/0x100 [ 50.550642] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24732' (ECDSA) to the list of known hosts. 2025/11/18 23:47:21 fuzzer started 2025/11/18 23:47:21 dialing manager at localhost:34383 2025/11/18 23:47:21 checking machine... 2025/11/18 23:47:21 checking revisions... [ 51.411917] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:47:21 testing simple program... [ 51.507851] cgroup: Unknown subsys name 'net' [ 51.578419] cgroup: Unknown subsys name 'cpuset' [ 51.594508] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:47:20 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88801c448b80 RCX=0000000000000000 RDX=0000000000001000 RSI=ffff888009f7fe48 RDI=ffff88801c448b80 RBP=ffff888009f7fe48 RSP=ffff888009f7fb20 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff88801c448b80 R13=0000000000000000 R14=ffff888009f7fe70 R15=ffff888009f7fe8c RIP=ffffffff822a0004 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 00007f2076a97900 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=00007feb701b3000 CR3=000000001e330000 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 info registers vcpu 1 RAX=0000000000009cd5 RBX=0000000000000001 RCX=00000000fffdc956 RDX=00000000fffc2f2f RSI=0000000000000008 RDI=ffff888009643b7c RBP=ffffffff8664f8f8 RSP=ffff88806cf08b58 R8 =ffff88806cf38160 R9 =fffffbfff0cc9f0a R10=00000000fffc2f2e R11=0000000000000001 R12=ffff88806cf38140 R13=0000000000000000 R14=ffffffff86650294 R15=ffff8880e548f000 RIP=ffffffff815da055 RFL=00000046 [---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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffff3d9dff8 CR3=000000001e330000 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