[ 39.010120] ------------[ cut here ]------------ [ 39.011134] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.013381] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.015137] Modules linked in: [ 39.015836] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.017990] Tainted: [W]=WARN [ 39.018639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.020254] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.021243] 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 [ 39.024741] RSP: 0018:ffff888019027bc0 EFLAGS: 00010286 [ 39.025801] RAX: 0000000000000000 RBX: ffffed1003204f78 RCX: ffffffff813a4050 [ 39.027207] RDX: ffff8880175a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.028607] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003204f2f [ 39.029994] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.031392] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019027df8 [ 39.032777] FS: 00007f41eb6d0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.034329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.035491] CR2: 00007ffc9d235ef8 CR3: 000000000d694000 CR4: 0000000000350ef0 [ 39.036887] Call Trace: [ 39.037435] [ 39.037882] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.038863] ? __create_object+0x59/0x80 [ 39.039709] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.040761] __vmalloc_noprof+0x59/0x60 [ 39.041592] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.042546] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.043570] bpf_prog_alloc+0x39/0x200 [ 39.044370] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.045382] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.046360] do_seccomp+0x349/0x25e0 [ 39.047105] ? find_held_lock+0x2b/0x80 [ 39.047932] ? do_prlimit+0x310/0x610 [ 39.048740] ? __pfx_do_seccomp+0x10/0x10 [ 39.049592] ? do_raw_spin_unlock+0x53/0x220 [ 39.050494] ? _raw_spin_unlock+0x1e/0x40 [ 39.051352] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.052405] ? static_key_count+0x60/0x80 [ 39.053229] prctl_set_seccomp+0x4e/0x70 [ 39.054065] __do_sys_prctl+0xe6c/0x1d70 [ 39.054933] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.055863] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.056914] ? irqentry_exit+0xf3/0x650 [ 39.057740] do_syscall_64+0xbf/0x430 [ 39.058546] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.059588] RIP: 0033:0x7f41ebbc25cd [ 39.060350] 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 [ 39.063803] RSP: 002b:00007ffc9d233f90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.065302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41ebbc25cd [ 39.066701] RDX: 0000556d95edae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.068090] RBP: 00007ffc9d233ff0 R08: 0000000000000000 R09: 00007ffc9d233690 [ 39.069481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556dcd24cb10 [ 39.070882] R13: 00007ffc9d234420 R14: 0000556dcd24d2b0 R15: 0000556dcd2616f0 [ 39.072325] [ 39.072788] irq event stamp: 1767 [ 39.073488] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 39.075029] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 39.075982] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 39.076956] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 39.077903] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.478690] ------------[ cut here ]------------ [ 42.479477] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.481341] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.482748] Modules linked in: [ 42.483243] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.485117] Tainted: [W]=WARN [ 42.485608] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.486849] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.487607] 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 [ 42.490687] RSP: 0018:ffff888016d2fbc0 EFLAGS: 00010286 [ 42.491674] RAX: 0000000000000000 RBX: ffffed1002da5f78 RCX: ffffffff813a4050 [ 42.492728] RDX: ffff888007110000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.493976] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da5f2f [ 42.495059] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.496136] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d2fdf8 [ 42.497201] FS: 00007f479db83900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.498391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.499248] CR2: 00007f479e075580 CR3: 0000000009f61000 CR4: 0000000000350ef0 [ 42.500379] Call Trace: [ 42.500761] [ 42.501098] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.501839] ? __create_object+0x59/0x80 [ 42.502485] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.503299] __vmalloc_noprof+0x59/0x60 [ 42.503892] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.504601] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.505346] bpf_prog_alloc+0x39/0x200 [ 42.505899] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.506633] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.507360] do_seccomp+0x349/0x25e0 [ 42.507897] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.508604] ? __pfx_do_seccomp+0x10/0x10 [ 42.509195] ? find_held_lock+0x2b/0x80 [ 42.509788] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.510543] ? static_key_count+0x60/0x80 [ 42.511152] prctl_set_seccomp+0x4e/0x70 [ 42.511760] __do_sys_prctl+0xe6c/0x1d70 [ 42.512375] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.513030] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.513815] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.514625] ? irqentry_exit+0xf3/0x650 [ 42.515233] do_syscall_64+0xbf/0x430 [ 42.515841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.516627] RIP: 0033:0x7f479e0755cd [ 42.517175] 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 [ 42.519783] RSP: 002b:00007ffec978fd60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.520917] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f479e0755cd [ 42.521987] RDX: 000055b00879fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.523046] RBP: 00007ffec978fdc0 R08: 0000000000000000 R09: 00007ffec978f460 [ 42.524108] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b01df68ad0 [ 42.525169] R13: 00007ffec97901f0 R14: 000055b01df69bc0 R15: 000055b01df7a780 [ 42.526257] [ 42.526633] irq event stamp: 1801 [ 42.527144] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 42.528403] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 42.529660] softirqs last enabled at (1468): [] handle_softirqs+0x50c/0x770 [ 42.531163] softirqs last disabled at (1837): [] __irq_exit_rcu+0xc4/0x100 [ 42.532452] ---[ end trace 0000000000000000 ]--- [ 43.416620] ------------[ cut here ]------------ [ 43.417575] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.419648] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.421178] Modules linked in: [ 43.421847] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.423877] Tainted: [W]=WARN [ 43.424479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.425947] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.426950] 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 [ 43.430181] RSP: 0018:ffff88801b0f7bc0 EFLAGS: 00010286 [ 43.431175] RAX: 0000000000000000 RBX: ffffed100361ef78 RCX: ffffffff813a4050 [ 43.432491] RDX: ffff888009a8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.433778] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100361ef2f [ 43.435087] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.436379] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b0f7df8 [ 43.437671] FS: 00007f8ace9b1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.439149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.440219] CR2: 00007f8aceea3580 CR3: 000000000e42f000 CR4: 0000000000350ef0 [ 43.441531] Call Trace: [ 43.442004] [ 43.442469] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.443385] ? __create_object+0x59/0x80 [ 43.444131] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.445110] __vmalloc_noprof+0x59/0x60 [ 43.445864] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.446749] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.447687] bpf_prog_alloc+0x39/0x200 [ 43.448427] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.449378] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.450239] do_seccomp+0x349/0x25e0 [ 43.450987] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.451907] ? __pfx_do_seccomp+0x10/0x10 [ 43.452721] ? find_held_lock+0x2b/0x80 [ 43.453496] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.454470] ? static_key_count+0x60/0x80 [ 43.455241] prctl_set_seccomp+0x4e/0x70 [ 43.456035] __do_sys_prctl+0xe6c/0x1d70 [ 43.456835] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.457701] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.458680] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.459673] ? irqentry_exit+0xf3/0x650 [ 43.460432] do_syscall_64+0xbf/0x430 [ 43.461128] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.462094] RIP: 0033:0x7f8aceea35cd [ 43.462836] 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 [ 43.466024] RSP: 002b:00007ffece959a90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.467369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8aceea35cd [ 43.468449] RDX: 000055d957b2ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.469532] RBP: 00007ffece959af0 R08: 0000000000000000 R09: 00007ffece959190 [ 43.470607] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d9866b52b0 [ 43.471695] R13: 00007ffece959f20 R14: 000055d9866b7d20 R15: 000055d9866c98d0 [ 43.472788] [ 43.473139] irq event stamp: 1771 [ 43.473686] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 43.474954] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 43.476223] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 43.477499] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 43.478766] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33255' (ECDSA) to the list of known hosts. 2025/11/17 22:36:50 fuzzer started 2025/11/17 22:36:50 dialing manager at localhost:37895 2025/11/17 22:36:50 checking machine... 2025/11/17 22:36:50 checking revisions... [ 44.353948] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:36:51 testing simple program... [ 44.436650] cgroup: Unknown subsys name 'net' [ 44.498341] cgroup: Unknown subsys name 'cpuset' [ 44.513728] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:36:50 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000000 RCX=ffffffff8136c03b RDX=1ffff110017afb6c RSI=ffffffff8136c049 RDI=0000000000000007 RBP=ffff88801920ff58 RSP=ffff88801920fea8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000007 R13=00007f479e13b0b0 R14=ffff88800bd7db40 R15=ffff8880164c9f80 RIP=ffffffff8136c060 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 00007f479db83900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f479e13b0b0 CR3=00000000202cd000 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=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0d36071 RBX=ffffffff869b0388 RCX=ffffffff84c7129f RDX=0000000000000000 RSI=ffffffff86e87f42 RDI=ffffffff869b0360 RBP=ffffffff869b0388 RSP=ffff88806cf089b8 R8 =ffffffff86e87f42 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c7feb R12=ffffffff869b0388 R13=ffffffff869b0360 R14=ffffffff869b0384 R15=dffffc0000000000 RIP=ffffffff8135daaf 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 00007f30cffff700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffec3117f18 CR3=0000000009fdd000 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=2039343a36333a323220373120766f4e XMM01=657463656e6e6f63736944203a5d3933 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3933325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039343a36333a3232203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000