[ 39.433080] ------------[ cut here ]------------ [ 39.434005] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.435967] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.437428] Modules linked in: [ 39.438009] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.441428] Tainted: [W]=WARN [ 39.441992] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.443543] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.444456] 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 [ 39.447618] RSP: 0018:ffff888019f17bc0 EFLAGS: 00010286 [ 39.448589] RAX: 0000000000000000 RBX: ffffed10033e2f78 RCX: ffffffff813a4050 [ 39.449880] RDX: ffff888016be9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.451164] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033e2f2f [ 39.452462] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.453748] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f17df8 [ 39.455026] FS: 00007f124a526900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.456441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.457493] CR2: 00007f124aa18580 CR3: 00000000177ab000 CR4: 0000000000350ef0 [ 39.458759] Call Trace: [ 39.459266] [ 39.459675] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.460556] ? __create_object+0x59/0x80 [ 39.461343] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.462300] __vmalloc_noprof+0x59/0x60 [ 39.463008] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.463874] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.464815] bpf_prog_alloc+0x39/0x200 [ 39.465555] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.466484] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.467389] do_seccomp+0x349/0x25e0 [ 39.468063] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.468945] ? __pfx_do_seccomp+0x10/0x10 [ 39.469735] ? find_held_lock+0x2b/0x80 [ 39.470496] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.471451] ? static_key_count+0x60/0x80 [ 39.472247] prctl_set_seccomp+0x4e/0x70 [ 39.472965] __do_sys_prctl+0xe6c/0x1d70 [ 39.473744] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.474592] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.475553] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.476514] ? irqentry_exit+0xf3/0x650 [ 39.477264] do_syscall_64+0xbf/0x430 [ 39.477969] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.478923] RIP: 0033:0x7f124aa185cd [ 39.479620] 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 [ 39.482756] RSP: 002b:00007ffc79a1b090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.484122] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f124aa185cd [ 39.485418] RDX: 0000558b9231ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.486683] RBP: 00007ffc79a1b0f0 R08: 0000000000000000 R09: 00007ffc79a1a790 [ 39.487965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558bc66efb10 [ 39.489232] R13: 00007ffc79a1b520 R14: 0000558bc66f02b0 R15: 0000558bc67046f0 [ 39.490521] [ 39.490946] irq event stamp: 2073 [ 39.491576] hardirqs last enabled at (2083): [] __up_console_sem+0x78/0x80 [ 39.493082] hardirqs last disabled at (2092): [] __up_console_sem+0x5d/0x80 [ 39.494611] softirqs last enabled at (1618): [] handle_softirqs+0x50c/0x770 [ 39.496136] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 39.497663] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.308961] ------------[ cut here ]------------ [ 42.309787] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.311502] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.312753] Modules linked in: [ 42.313293] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.314926] Tainted: [W]=WARN [ 42.315425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.316629] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.317396] 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 [ 42.320000] RSP: 0018:ffff888016b2fbc0 EFLAGS: 00010286 [ 42.320815] RAX: 0000000000000000 RBX: ffffed1002d65f78 RCX: ffffffff813a4050 [ 42.321886] RDX: ffff888015b68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.322940] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d65f2f [ 42.323998] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.325048] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b2fdf8 [ 42.326119] FS: 00007f82d7354900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.327302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.328133] CR2: 00007f82d7846580 CR3: 000000001f522000 CR4: 0000000000350ef0 [ 42.329198] Call Trace: [ 42.329589] [ 42.329925] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.330665] ? __create_object+0x59/0x80 [ 42.331312] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.332081] __vmalloc_noprof+0x59/0x60 [ 42.332708] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.333433] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.334167] bpf_prog_alloc+0x39/0x200 [ 42.334776] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.335543] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.336294] do_seccomp+0x349/0x25e0 [ 42.336847] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.337604] ? __pfx_do_seccomp+0x10/0x10 [ 42.338256] ? find_held_lock+0x2b/0x80 [ 42.338846] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.339641] ? static_key_count+0x60/0x80 [ 42.340294] prctl_set_seccomp+0x4e/0x70 [ 42.340897] __do_sys_prctl+0xe6c/0x1d70 [ 42.341550] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.342258] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.343023] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.343829] ? irqentry_exit+0xf3/0x650 [ 42.344464] do_syscall_64+0xbf/0x430 [ 42.345046] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.345841] RIP: 0033:0x7f82d78465cd [ 42.346443] 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 [ 42.349059] RSP: 002b:00007fffe1e60e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.350213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82d78465cd [ 42.351280] RDX: 00005642d20dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.352339] RBP: 00007fffe1e60ea0 R08: 0000000000000000 R09: 00007fffe1e60540 [ 42.353410] R10: 0000000000000000 R11: 0000000000000246 R12: 000056430a634b10 [ 42.354478] R13: 00007fffe1e612d0 R14: 000056430a6352b0 R15: 000056430a6496f0 [ 42.355565] [ 42.355917] irq event stamp: 1709 [ 42.356463] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 42.357751] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 42.359012] softirqs last enabled at (1332): [] handle_softirqs+0x50c/0x770 [ 42.360284] softirqs last disabled at (1323): [] __irq_exit_rcu+0xc4/0x100 [ 42.361544] ---[ end trace 0000000000000000 ]--- [ 43.212049] ------------[ cut here ]------------ [ 43.212823] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.214506] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.215716] Modules linked in: [ 43.216248] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.217952] Tainted: [W]=WARN [ 43.218455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.219682] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.220442] 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 [ 43.223092] RSP: 0018:ffff88801967fbc0 EFLAGS: 00010286 [ 43.223902] RAX: 0000000000000000 RBX: ffffed10032cff78 RCX: ffffffff813a4050 [ 43.224960] RDX: ffff8880171e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.226036] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032cff2f [ 43.227100] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.228165] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801967fdf8 [ 43.229258] FS: 00007fbe2f0cc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.230470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.231360] CR2: 00007ffd23a9cef7 CR3: 000000000de2b000 CR4: 0000000000350ef0 [ 43.232437] Call Trace: [ 43.232826] [ 43.233252] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.233978] ? __create_object+0x59/0x80 [ 43.234632] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.235458] __vmalloc_noprof+0x59/0x60 [ 43.236067] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.236795] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.237570] bpf_prog_alloc+0x39/0x200 [ 43.238153] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.238945] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.239708] do_seccomp+0x349/0x25e0 [ 43.240317] ? find_held_lock+0x2b/0x80 [ 43.240907] ? do_prlimit+0x310/0x610 [ 43.241535] ? __pfx_do_seccomp+0x10/0x10 [ 43.242152] ? do_raw_spin_unlock+0x53/0x220 [ 43.242859] ? _raw_spin_unlock+0x1e/0x40 [ 43.243509] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.244318] ? static_key_count+0x60/0x80 [ 43.244948] prctl_set_seccomp+0x4e/0x70 [ 43.245607] __do_sys_prctl+0xe6c/0x1d70 [ 43.246251] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.246929] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.247744] ? irqentry_exit+0xf3/0x650 [ 43.248396] do_syscall_64+0xbf/0x430 [ 43.248973] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.249790] RIP: 0033:0x7fbe2f5be5cd [ 43.250389] 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 [ 43.253052] RSP: 002b:00007ffd23a9b490 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.254208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe2f5be5cd [ 43.255265] RDX: 0000555ba42b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.256335] RBP: 00007ffd23a9b4f0 R08: 0000000000000000 R09: 00007ffd23a9ab90 [ 43.257414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555be2661b10 [ 43.258503] R13: 00007ffd23a9b920 R14: 0000555be26622b0 R15: 0000555be26766f0 [ 43.259597] [ 43.259954] irq event stamp: 1797 [ 43.260499] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 43.261774] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 43.263043] softirqs last enabled at (1504): [] handle_softirqs+0x50c/0x770 [ 43.264335] softirqs last disabled at (1495): [] __irq_exit_rcu+0xc4/0x100 [ 43.265622] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45656' (ECDSA) to the list of known hosts. 2025/11/18 20:28:02 fuzzer started 2025/11/18 20:28:02 dialing manager at localhost:34383 2025/11/18 20:28:02 checking machine... 2025/11/18 20:28:02 checking revisions... [ 44.162356] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:28:02 testing simple program... [ 44.249251] cgroup: Unknown subsys name 'net' [ 44.307152] cgroup: Unknown subsys name 'cpuset' [ 44.320116] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:28:01 Registers: info registers vcpu 0 RAX=0000000080010004 RBX=ffff88800ae68000 RCX=ffffffff8259f946 RDX=000000000001c062 RSI=ffffffff8259f954 RDI=0000000000000007 RBP=ffff88800ae68180 RSP=ffff88806ce08df0 R8 =0000000000000001 R9 =ffffed100d9c11b8 R10=000000000001c062 R11=0000000000000001 R12=000000000001c062 R13=ffff88800ae6c8c8 R14=ffff88800b648800 R15=ffff88800ae68008 RIP=ffffffff8259f958 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 00007f82d7354900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f82d7909650 CR3=000000001f502000 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=0000000000000000 RBX=0000000000000000 RCX=ffffffff8259fcfa RDX=00000000000101f1 RSI=ffffffff8259fd08 RDI=0000000000000007 RBP=ffff88800ae681a0 RSP=ffff88800976f6f8 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=00000000000101f1 R11=0000000000000001 R12=00000000000101f1 R13=ffff88800ae68050 R14=ffff88800ae68048 R15=ffff88800ae681a9 RIP=ffffffff8259fd0e RFL=00000093 [--S-A-C] 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f806622f310 CR3=000000001f69e000 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=bde7406676a19191d44607368bfd1740 XMM02=0000000000301010d59e07bde36eea69 XMM03=0000000000301158ec2efd57dc4c00df XMM04=99f4256d7401a8e000000000000ae988 XMM05=892de821c17c3b71000000000031e910 XMM06=d96330e2d2db8632000000000031d7c8 XMM07=fb795ef6d6577056000000000030cdb0 XMM08=2c67c8bc2e329bc30000000000301158 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000