[ 39.526499] ------------[ cut here ]------------ [ 39.527572] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.529811] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.531478] Modules linked in: [ 39.532597] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.534810] Tainted: [W]=WARN [ 39.535486] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.537138] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.538163] 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 [ 39.541724] RSP: 0018:ffff8880160f7bc0 EFLAGS: 00010286 [ 39.542814] RAX: 0000000000000000 RBX: ffffed1002c1ef78 RCX: ffffffff813a4050 [ 39.544257] RDX: ffff88800ee13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.545693] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c1ef2f [ 39.547126] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.548584] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880160f7df8 [ 39.550063] FS: 00007f0bdda87900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.551686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.552895] CR2: 00007ffc4d678ef7 CR3: 000000000bee3000 CR4: 0000000000350ef0 [ 39.554344] Call Trace: [ 39.554879] [ 39.555392] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.556440] ? __create_object+0x59/0x80 [ 39.557353] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.558472] __vmalloc_noprof+0x59/0x60 [ 39.559344] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.560366] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.561447] bpf_prog_alloc+0x39/0x200 [ 39.562301] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.563376] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.564431] do_seccomp+0x349/0x25e0 [ 39.565260] ? find_held_lock+0x2b/0x80 [ 39.566150] ? do_prlimit+0x310/0x610 [ 39.566893] ? __pfx_do_seccomp+0x10/0x10 [ 39.567680] ? do_raw_spin_unlock+0x53/0x220 [ 39.568519] ? _raw_spin_unlock+0x1e/0x40 [ 39.569282] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.570250] ? static_key_count+0x60/0x80 [ 39.571054] prctl_set_seccomp+0x4e/0x70 [ 39.571786] __do_sys_prctl+0xe6c/0x1d70 [ 39.572585] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.573440] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.574402] ? irqentry_exit+0xf3/0x650 [ 39.575160] do_syscall_64+0xbf/0x430 [ 39.575869] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.576812] RIP: 0033:0x7f0bddf795cd [ 39.577504] 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 [ 39.580660] RSP: 002b:00007ffc4d677e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.582015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0bddf795cd [ 39.583292] RDX: 00005646089e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.584576] RBP: 00007ffc4d677ea0 R08: 0000000000000000 R09: 00007ffc4d677540 [ 39.585853] R10: 0000000000000000 R11: 0000000000000246 R12: 00005646456fd2b0 [ 39.587125] R13: 00007ffc4d6782d0 R14: 00005646456ffd20 R15: 00005646457118d0 [ 39.588432] [ 39.588856] irq event stamp: 1779 [ 39.589501] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 39.591026] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 39.592547] softirqs last enabled at (1606): [] handle_softirqs+0x50c/0x770 [ 39.593828] softirqs last disabled at (1601): [] __irq_exit_rcu+0xc4/0x100 [ 39.595079] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.196300] ------------[ cut here ]------------ [ 43.197266] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.199270] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 43.200810] Modules linked in: [ 43.201459] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.203455] Tainted: [W]=WARN [ 43.204073] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.205561] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.206482] 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 [ 43.209692] RSP: 0018:ffff8880170f7bc0 EFLAGS: 00010286 [ 43.210674] RAX: 0000000000000000 RBX: ffffed1002e1ef78 RCX: ffffffff813a4050 [ 43.211974] RDX: ffff888009883780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.213266] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e1ef2f [ 43.214559] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.215867] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170f7df8 [ 43.217161] FS: 00007f8407914900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.218609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.219678] CR2: 00007f8407e06580 CR3: 000000001fd4c000 CR4: 0000000000350ef0 [ 43.220983] Call Trace: [ 43.221455] [ 43.221865] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.222773] ? __create_object+0x59/0x80 [ 43.223556] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.224543] __vmalloc_noprof+0x59/0x60 [ 43.225311] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.226195] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.227139] bpf_prog_alloc+0x39/0x200 [ 43.227842] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.228786] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.229696] do_seccomp+0x349/0x25e0 [ 43.230415] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.231326] ? __pfx_do_seccomp+0x10/0x10 [ 43.232132] ? find_held_lock+0x2b/0x80 [ 43.232849] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.233811] ? static_key_count+0x60/0x80 [ 43.234619] prctl_set_seccomp+0x4e/0x70 [ 43.235397] __do_sys_prctl+0xe6c/0x1d70 [ 43.236192] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.237056] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.238035] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.239007] ? irqentry_exit+0xf3/0x650 [ 43.239735] do_syscall_64+0xbf/0x430 [ 43.240491] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.241448] RIP: 0033:0x7f8407e065cd [ 43.242165] 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 [ 43.245367] RSP: 002b:00007ffc91a0f610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.246745] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8407e065cd [ 43.248059] RDX: 0000564b86644e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.249352] RBP: 00007ffc91a0f670 R08: 0000000000000000 R09: 00007ffc91a0ed10 [ 43.250644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564bad1b3ad0 [ 43.251959] R13: 00007ffc91a0faa0 R14: 0000564bad1b4bc0 R15: 0000564bad1c5780 [ 43.253272] [ 43.253707] irq event stamp: 1749 [ 43.254366] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 43.255908] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 43.257473] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 43.259025] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 43.260564] ---[ end trace 0000000000000000 ]--- [ 44.032513] ------------[ cut here ]------------ [ 44.033451] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 44.035440] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 44.036884] Modules linked in: [ 44.037523] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 44.039493] Tainted: [W]=WARN [ 44.040110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.041590] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 44.042522] 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 [ 44.045701] RSP: 0018:ffff888016347bc0 EFLAGS: 00010286 [ 44.046676] RAX: 0000000000000000 RBX: ffffed1002c68f78 RCX: ffffffff813a4050 [ 44.047977] RDX: ffff888017f2d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 44.049253] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c68f2f [ 44.050520] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 44.051809] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016347df8 [ 44.053091] FS: 00007f1c9f893900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 44.054525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.055589] CR2: 00007f1c9fd85580 CR3: 0000000007121000 CR4: 0000000000350ef0 [ 44.056876] Call Trace: [ 44.057380] [ 44.057798] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 44.058684] ? __create_object+0x59/0x80 [ 44.059471] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.060466] __vmalloc_noprof+0x59/0x60 [ 44.061216] bpf_prog_alloc_no_stats+0x55/0x470 [ 44.062097] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.063039] bpf_prog_alloc+0x39/0x200 [ 44.063733] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.064675] bpf_prog_create_from_user+0xb2/0x2f0 [ 44.065584] do_seccomp+0x349/0x25e0 [ 44.066305] ? __pfx_css_rstat_updated+0x10/0x10 [ 44.067212] ? __pfx_do_seccomp+0x10/0x10 [ 44.068014] ? find_held_lock+0x2b/0x80 [ 44.068723] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 44.069681] ? static_key_count+0x60/0x80 [ 44.070481] prctl_set_seccomp+0x4e/0x70 [ 44.071258] __do_sys_prctl+0xe6c/0x1d70 [ 44.072063] ? __pfx___do_sys_prctl+0x10/0x10 [ 44.072872] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.073836] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 44.074797] ? irqentry_exit+0xf3/0x650 [ 44.075561] do_syscall_64+0xbf/0x430 [ 44.076316] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.077267] RIP: 0033:0x7f1c9fd855cd [ 44.077979] 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 [ 44.081142] RSP: 002b:00007ffff92fc680 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 44.082510] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c9fd855cd [ 44.083791] RDX: 00005580be401e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 44.085082] RBP: 00007ffff92fc6e0 R08: 0000000000000000 R09: 00007ffff92fbd80 [ 44.086371] R10: 0000000000000000 R11: 0000000000000246 R12: 00005580d7651240 [ 44.087648] R13: 00007ffff92fcb10 R14: 00005580d7650bf0 R15: 00005580d76654d0 [ 44.088975] [ 44.089413] irq event stamp: 1735 [ 44.090060] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 44.091583] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 44.093142] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 44.094701] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 44.096277] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24486' (ECDSA) to the list of known hosts. 2025/11/18 17:49:48 fuzzer started 2025/11/18 17:49:48 dialing manager at localhost:34383 2025/11/18 17:49:48 checking machine... 2025/11/18 17:49:48 checking revisions... [ 44.977227] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:49:48 testing simple program... [ 45.068973] cgroup: Unknown subsys name 'net' [ 45.133731] cgroup: Unknown subsys name 'cpuset' [ 45.146092] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:49:47 Registers: info registers vcpu 0 RAX=1ffff11002d72083 RBX=ffff888019cf7d00 RCX=ffffffff8168203a RDX=ffff88801629d340 RSI=ffffffff81681f48 RDI=ffff888016b90418 RBP=dffffc0000000000 RSP=ffff888019cf7c50 R8 =000000000000000f R9 =0000000000000000 R10=000000000000000f R11=0000000000000001 R12=ffff888016b903c0 R13=ffffffff81684dec R14=ffffed100339efa0 R15=00000000ffffffff RIP=ffffffff81684cdf 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 00007f89c9ee5700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc70dd9618 CR3=000000000e490000 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=39343a373120383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732037343a3934 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343735 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000ff02 RBX=ffff888017f2b780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888017f2c2a0 RDI=ffff888017f2c2a0 RBP=ffff888017f2c1d8 RSP=ffff88806cf088c8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888017f2c2a0 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000005 RIP=ffffffff81527588 RFL=00000082 [--S----] 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 00007f8407914900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8407ecb618 CR3=000000001fda2000 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=2037343a39343a373120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037343a39343a3731203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000