[ 39.441522] ------------[ cut here ]------------ [ 39.442465] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.444592] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.446066] Modules linked in: [ 39.446692] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.448974] Tainted: [W]=WARN [ 39.449652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.451102] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.452028] 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 [ 39.455247] RSP: 0018:ffff88801777fbc0 EFLAGS: 00010286 [ 39.456236] RAX: 0000000000000000 RBX: ffffed1002eeff78 RCX: ffffffff813a4050 [ 39.457535] RDX: ffff888015acd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.458842] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eeff2f [ 39.460166] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.461438] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801777fdf8 [ 39.462751] FS: 00007fc81a9c4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.464217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.465281] CR2: 00007fc81aeb6580 CR3: 000000000b610000 CR4: 0000000000350ef0 [ 39.466569] Call Trace: [ 39.467033] [ 39.467500] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.468400] ? __create_object+0x59/0x80 [ 39.469136] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.470117] __vmalloc_noprof+0x59/0x60 [ 39.470877] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.471754] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.472684] bpf_prog_alloc+0x39/0x200 [ 39.473413] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.474291] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.475204] do_seccomp+0x349/0x25e0 [ 39.475973] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.476884] ? __pfx_do_seccomp+0x10/0x10 [ 39.477677] ? find_held_lock+0x2b/0x80 [ 39.478452] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.479419] ? static_key_count+0x60/0x80 [ 39.480186] prctl_set_seccomp+0x4e/0x70 [ 39.480985] __do_sys_prctl+0xe6c/0x1d70 [ 39.481775] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.482635] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.483633] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.484607] ? irqentry_exit+0xf3/0x650 [ 39.485326] do_syscall_64+0xbf/0x430 [ 39.486076] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.487015] RIP: 0033:0x7fc81aeb65cd [ 39.487724] 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 [ 39.490906] RSP: 002b:00007fff8b1a21b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.492316] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc81aeb65cd [ 39.493617] RDX: 000056453ec03e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.494906] RBP: 00007fff8b1a2210 R08: 0000000000000000 R09: 00007fff8b1a18b0 [ 39.496202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564540425ad0 [ 39.497503] R13: 00007fff8b1a2640 R14: 0000564540426bc0 R15: 0000564540437780 [ 39.498793] [ 39.499221] irq event stamp: 1795 [ 39.499874] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 39.501421] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 39.502949] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 39.504534] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 39.505780] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.926069] ------------[ cut here ]------------ [ 42.927089] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.929305] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.930902] Modules linked in: [ 42.931623] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.934046] Tainted: [W]=WARN [ 42.934781] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.936409] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.937422] 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 [ 42.940859] RSP: 0018:ffff888016f9fbc0 EFLAGS: 00010286 [ 42.941926] RAX: 0000000000000000 RBX: ffffed1002df3f78 RCX: ffffffff813a4050 [ 42.943336] RDX: ffff888016883780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.944771] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df3f2f [ 42.946167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.947580] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f9fdf8 [ 42.948977] FS: 00007fccaa481900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.950548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.951712] CR2: 00007fccaa973580 CR3: 000000001dd5b000 CR4: 0000000000350ef0 [ 42.953106] Call Trace: [ 42.953659] [ 42.954112] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.955097] ? __create_object+0x59/0x80 [ 42.955965] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.957028] __vmalloc_noprof+0x59/0x60 [ 42.957855] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.958818] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.959850] bpf_prog_alloc+0x39/0x200 [ 42.960665] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.961686] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.962674] do_seccomp+0x349/0x25e0 [ 42.963462] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.964486] ? __pfx_do_seccomp+0x10/0x10 [ 42.965300] ? find_held_lock+0x2b/0x80 [ 42.966126] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.967179] ? static_key_count+0x60/0x80 [ 42.968075] prctl_set_seccomp+0x4e/0x70 [ 42.968924] __do_sys_prctl+0xe6c/0x1d70 [ 42.969783] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.970716] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.971778] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.972830] ? irqentry_exit+0xf3/0x650 [ 42.973672] do_syscall_64+0xbf/0x430 [ 42.974480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.975531] RIP: 0033:0x7fccaa9735cd [ 42.976244] 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 [ 42.979654] RSP: 002b:00007fff5694a970 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.981120] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fccaa9735cd [ 42.982489] RDX: 000055e7b0a3ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.983923] RBP: 00007fff5694a9d0 R08: 0000000000000000 R09: 00007fff5694a070 [ 42.985156] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e7c5f662b0 [ 42.986377] R13: 00007fff5694ae00 R14: 000055e7c5f68d20 R15: 000055e7c5f7a8d0 [ 42.987612] [ 42.988014] irq event stamp: 1807 [ 42.988625] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.990056] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.991488] softirqs last enabled at (1632): [] handle_softirqs+0x50c/0x770 [ 42.992961] softirqs last disabled at (1627): [] __irq_exit_rcu+0xc4/0x100 [ 42.994382] ---[ end trace 0000000000000000 ]--- [ 43.879823] ------------[ cut here ]------------ [ 43.880996] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.883254] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.885107] Modules linked in: [ 43.885797] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.887936] Tainted: [W]=WARN [ 43.888570] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.890128] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.891089] 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 [ 43.894460] RSP: 0018:ffff88801685fbc0 EFLAGS: 00010286 [ 43.895504] RAX: 0000000000000000 RBX: ffffed1002d0bf78 RCX: ffffffff813a4050 [ 43.896883] RDX: ffff888009883780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.898236] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d0bf2f [ 43.899591] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.900949] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801685fdf8 [ 43.902310] FS: 00007f535b79a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.903882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.905013] CR2: 00007ffcc00b9ef7 CR3: 000000000b747000 CR4: 0000000000350ef0 [ 43.906389] Call Trace: [ 43.906888] [ 43.907324] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.908293] ? __create_object+0x59/0x80 [ 43.909124] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.910147] __vmalloc_noprof+0x59/0x60 [ 43.910959] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.911907] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.912905] bpf_prog_alloc+0x39/0x200 [ 43.913696] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.914682] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.915650] do_seccomp+0x349/0x25e0 [ 43.916419] ? find_held_lock+0x2b/0x80 [ 43.917181] ? do_prlimit+0x310/0x610 [ 43.917984] ? __pfx_do_seccomp+0x10/0x10 [ 43.918829] ? do_raw_spin_unlock+0x53/0x220 [ 43.919713] ? _raw_spin_unlock+0x1e/0x40 [ 43.920536] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.921544] ? static_key_count+0x60/0x80 [ 43.922333] prctl_set_seccomp+0x4e/0x70 [ 43.923156] __do_sys_prctl+0xe6c/0x1d70 [ 43.924004] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.924902] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.925922] ? irqentry_exit+0xf3/0x650 [ 43.926731] do_syscall_64+0xbf/0x430 [ 43.927525] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.928540] RIP: 0033:0x7f535bc8c5cd [ 43.929241] 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 [ 43.932601] RSP: 002b:00007ffcc00b7820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.934038] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f535bc8c5cd [ 43.935410] RDX: 000055620351ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.936784] RBP: 00007ffcc00b7880 R08: 0000000000000000 R09: 00007ffcc00b6f20 [ 43.938147] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556237ece2b0 [ 43.939497] R13: 00007ffcc00b7cb0 R14: 0000556237ed0d20 R15: 0000556237ee28d0 [ 43.940740] [ 43.941123] irq event stamp: 1873 [ 43.941697] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 43.943070] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 43.944466] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 43.945872] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 43.947251] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31093' (ECDSA) to the list of known hosts. 2025/11/17 17:36:23 fuzzer started 2025/11/17 17:36:24 dialing manager at localhost:37895 2025/11/17 17:36:24 checking machine... 2025/11/17 17:36:24 checking revisions... [ 44.934697] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:36:24 testing simple program... [ 45.032223] cgroup: Unknown subsys name 'net' [ 45.094653] cgroup: Unknown subsys name 'cpuset' [ 45.107767] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:36:23 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016617c38 RCX=ffffffff81bbc170 RDX=1ffff11002cc2fa3 RSI=ffffffff81bbc17e RDI=ffff888016617c78 RBP=ffff888016617a00 RSP=ffff8880166179c8 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000100 R11=0000000000000001 R12=ffff888009037028 R13=ffff888009070c20 R14=ffff888016617c70 R15=0000000000000000 RIP=ffffffff81bbc25c 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 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdf26a21260 CR3=000000001ff35000 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=756e696c2d34365f3638782f62696c2f XMM01=7470797263356b62696c2f756e672d78 XMM02=00332e6f732e6f7470797263356b6269 XMM03=6c2f756e672d78756e696c2d34365f36 XMM04=00000000000000000000000000000000 XMM05=00007fdf26f1cf6000007fdf26cfff30 XMM06=00007fdf26cffa2000007fdf26cff510 XMM07=00007fdf26cff00000007fdf26f1da20 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88800eeb7638 RCX=ffffffff86ab82be RDX=1ffff11001dd6ec7 RSI=ffff88800eeb7980 RDI=ffff88800eeb7638 RBP=ffff88800eeb7980 RSP=ffff88800eeb7590 R8 =ffffffff86ab82c2 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000008 R13=ffff88800eeb7680 R14=ffff88800eeb7988 R15=ffff88800eeb7638 RIP=ffffffff8135e236 RFL=00000286 [--S--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 00007fccaa481900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fccaaa390b0 CR3=000000001fde1000 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