syzkaller login: [ 38.953873] ------------[ cut here ]------------ [ 38.954828] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.956887] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 38.958365] Modules linked in: [ 38.958959] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.961074] Tainted: [W]=WARN [ 38.961637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.963140] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.963997] 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 [ 38.967202] RSP: 0018:ffff88801a66fbc0 EFLAGS: 00010286 [ 38.968182] RAX: 0000000000000000 RBX: ffffed10034cdf78 RCX: ffffffff813a4050 [ 38.969495] RDX: ffff8880100eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.970795] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034cdf2f [ 38.972097] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.973396] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a66fdf8 [ 38.974705] FS: 00007f06d4706900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.976138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.977204] CR2: 00007f06d4bf8580 CR3: 000000000b8fb000 CR4: 0000000000350ef0 [ 38.978522] Call Trace: [ 38.978999] [ 38.979472] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.980382] ? __create_object+0x59/0x80 [ 38.981180] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.982175] __vmalloc_noprof+0x59/0x60 [ 38.982892] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.983774] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.984724] bpf_prog_alloc+0x39/0x200 [ 38.985465] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.986405] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.987311] do_seccomp+0x349/0x25e0 [ 38.987993] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.988888] ? __pfx_do_seccomp+0x10/0x10 [ 38.989683] ? find_held_lock+0x2b/0x80 [ 38.990462] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.991450] ? static_key_count+0x60/0x80 [ 38.992261] prctl_set_seccomp+0x4e/0x70 [ 38.993008] __do_sys_prctl+0xe6c/0x1d70 [ 38.993785] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.994672] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.995645] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.996640] ? irqentry_exit+0xf3/0x650 [ 38.997438] do_syscall_64+0xbf/0x430 [ 38.998216] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.999200] RIP: 0033:0x7f06d4bf85cd [ 38.999875] 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 [ 39.003097] RSP: 002b:00007fffb0942ce0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.004456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06d4bf85cd [ 39.005744] RDX: 000055b2e03bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.007045] RBP: 00007fffb0942d40 R08: 0000000000000000 R09: 00007fffb09423e0 [ 39.008360] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b319cb5ad0 [ 39.009658] R13: 00007fffb0943170 R14: 000055b319cb6bc0 R15: 000055b319cc7780 [ 39.010980] [ 39.011444] irq event stamp: 1729 [ 39.012094] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 39.013632] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 39.015179] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 39.016739] softirqs last disabled at (1605): [] __irq_exit_rcu+0xc4/0x100 [ 39.018297] ---[ end trace 0000000000000000 ]--- [ 42.199011] ------------[ cut here ]------------ [ 42.200007] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.202252] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.203788] Modules linked in: [ 42.204488] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.206854] Tainted: [W]=WARN [ 42.207583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.209150] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.210144] 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 [ 42.213494] RSP: 0018:ffff888016ebfbc0 EFLAGS: 00010286 [ 42.214558] RAX: 0000000000000000 RBX: ffffed1002dd7f78 RCX: ffffffff813a4050 [ 42.215919] RDX: ffff888018905340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.217291] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd7f2f [ 42.218660] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.220099] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ebfdf8 [ 42.221482] FS: 00007f4b44ad1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.223029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.224171] CR2: 00007f4b44fc3580 CR3: 000000001f81a000 CR4: 0000000000350ef0 [ 42.225557] Call Trace: [ 42.226110] [ 42.226548] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.227515] ? __create_object+0x59/0x80 [ 42.228361] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.229401] __vmalloc_noprof+0x59/0x60 [ 42.230232] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.231163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.232147] bpf_prog_alloc+0x39/0x200 [ 42.232884] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.233869] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.234845] do_seccomp+0x349/0x25e0 [ 42.235604] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.236580] ? __pfx_do_seccomp+0x10/0x10 [ 42.237431] ? find_held_lock+0x2b/0x80 [ 42.238268] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.239303] ? static_key_count+0x60/0x80 [ 42.240151] prctl_set_seccomp+0x4e/0x70 [ 42.240917] __do_sys_prctl+0xe6c/0x1d70 [ 42.241755] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.242682] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.243721] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.244752] ? irqentry_exit+0xf3/0x650 [ 42.245574] do_syscall_64+0xbf/0x430 [ 42.246372] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.247379] RIP: 0033:0x7f4b44fc35cd [ 42.248131] 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 [ 42.251496] RSP: 002b:00007ffed54bcd60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.252993] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b44fc35cd [ 42.254370] RDX: 000055bffaf9ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.255722] RBP: 00007ffed54bcdc0 R08: 0000000000000000 R09: 00007ffed54bc460 [ 42.257090] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bffe8d3ad0 [ 42.258457] R13: 00007ffed54bd1f0 R14: 000055bffe8d4bc0 R15: 000055bffe8e5780 [ 42.259828] [ 42.260315] irq event stamp: 1833 [ 42.260964] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 42.262591] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 42.263982] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 42.265346] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 42.266697] ---[ end trace 0000000000000000 ]--- [ 43.077515] ------------[ cut here ]------------ [ 43.078377] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.080179] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.081501] Modules linked in: [ 43.082045] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.083855] Tainted: [W]=WARN [ 43.084388] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.085705] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.086535] 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 [ 43.089368] RSP: 0018:ffff888018947bc0 EFLAGS: 00010286 [ 43.090262] RAX: 0000000000000000 RBX: ffffed1003128f78 RCX: ffffffff813a4050 [ 43.091417] RDX: ffff888017a73780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.092558] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003128f2f [ 43.093996] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.095157] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018947df8 [ 43.096312] FS: 00007fa34cffb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.097594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.098548] CR2: 00007fff612eaef7 CR3: 000000001f936000 CR4: 0000000000350ef0 [ 43.099705] Call Trace: [ 43.100150] [ 43.100521] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.101317] ? __create_object+0x59/0x80 [ 43.101987] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.103108] __vmalloc_noprof+0x59/0x60 [ 43.103757] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.104778] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.105619] bpf_prog_alloc+0x39/0x200 [ 43.106299] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.107145] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.107933] do_seccomp+0x349/0x25e0 [ 43.108582] ? find_held_lock+0x2b/0x80 [ 43.109274] ? do_prlimit+0x310/0x610 [ 43.109918] ? __pfx_do_seccomp+0x10/0x10 [ 43.110648] ? do_raw_spin_unlock+0x53/0x220 [ 43.111408] ? _raw_spin_unlock+0x1e/0x40 [ 43.112113] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.112947] ? static_key_count+0x60/0x80 [ 43.113665] prctl_set_seccomp+0x4e/0x70 [ 43.114379] __do_sys_prctl+0xe6c/0x1d70 [ 43.115080] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.115825] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.116700] ? irqentry_exit+0xf3/0x650 [ 43.117392] do_syscall_64+0xbf/0x430 [ 43.118034] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.118899] RIP: 0033:0x7fa34d4ed5cd [ 43.119535] 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 [ 43.122417] RSP: 002b:00007fff612e9e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.123838] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa34d4ed5cd [ 43.125003] RDX: 0000556a12f03e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.126190] RBP: 00007fff612e9ea0 R08: 0000000000000000 R09: 00007fff612e9540 [ 43.127347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556a3b14bad0 [ 43.128517] R13: 00007fff612ea2d0 R14: 0000556a3b14cbc0 R15: 0000556a3b15d780 [ 43.129692] [ 43.130109] irq event stamp: 1829 [ 43.130648] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 43.132005] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 43.133359] softirqs last enabled at (1550): [] handle_softirqs+0x50c/0x770 [ 43.134735] softirqs last disabled at (1491): [] __irq_exit_rcu+0xc4/0x100 [ 43.136082] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4679' (ECDSA) to the list of known hosts. 2025/11/18 14:23:17 fuzzer started 2025/11/18 14:23:18 dialing manager at localhost:34383 2025/11/18 14:23:18 checking machine... 2025/11/18 14:23:18 checking revisions... [ 44.032593] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:23:18 testing simple program... [ 44.115001] cgroup: Unknown subsys name 'net' [ 44.185453] cgroup: Unknown subsys name 'cpuset' [ 44.197812] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:23:17 Registers: info registers vcpu 0 RAX=0000000000002005 RBX=ffff888009611bc0 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888009612618 RSP=ffff888009627698 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81527043 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4b45088618 CR3=000000000df76000 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=33323a343120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343131 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=0000000000021567 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff674ef1000 CR3=000000000dc51000 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=7497138bdc246e800044f8cb1829d556 XMM02=00000000003029d8ec2efd57dc4c00df XMM03=000000000030f9b8da941b527ab8dc45 XMM04=92a9f3740afd98c000000000000ae988 XMM05=37a65d4b921733c100000000003208a0 XMM06=d74844bf967d85ba000000000031f1d8 XMM07=e042d86d42eb936e000000000030fc90 XMM08=da941b527ab8dc450000000000302a38 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000