syzkaller login: [ 39.051396] ------------[ cut here ]------------ [ 39.052314] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.054386] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.055855] Modules linked in: [ 39.056509] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.058720] Tainted: [W]=WARN [ 39.059392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.060880] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.061799] 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 [ 39.064994] RSP: 0018:ffff88801ab2fbc0 EFLAGS: 00010286 [ 39.065987] RAX: 0000000000000000 RBX: ffffed1003565f78 RCX: ffffffff813a4050 [ 39.067278] RDX: ffff888016605340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.068581] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003565f2f [ 39.069870] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.071150] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ab2fdf8 [ 39.072461] FS: 00007f6a13258900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.073906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.074965] CR2: 00007ffe92191ef8 CR3: 000000001c4db000 CR4: 0000000000350ef0 [ 39.076245] Call Trace: [ 39.076722] [ 39.077176] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.078038] ? __create_object+0x59/0x80 [ 39.078827] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.079808] __vmalloc_noprof+0x59/0x60 [ 39.080585] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.081462] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.082398] bpf_prog_alloc+0x39/0x200 [ 39.083083] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.084028] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.084951] do_seccomp+0x349/0x25e0 [ 39.085660] ? find_held_lock+0x2b/0x80 [ 39.086422] ? do_prlimit+0x310/0x610 [ 39.087175] ? __pfx_do_seccomp+0x10/0x10 [ 39.087917] ? do_raw_spin_unlock+0x53/0x220 [ 39.088767] ? _raw_spin_unlock+0x1e/0x40 [ 39.089559] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.090525] ? static_key_count+0x60/0x80 [ 39.091336] prctl_set_seccomp+0x4e/0x70 [ 39.092067] __do_sys_prctl+0xe6c/0x1d70 [ 39.092870] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.093741] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.094719] ? irqentry_exit+0xf3/0x650 [ 39.095484] do_syscall_64+0xbf/0x430 [ 39.096230] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.097196] RIP: 0033:0x7f6a1374a5cd [ 39.097880] 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 [ 39.101050] RSP: 002b:00007ffe921903a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.102405] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a1374a5cd [ 39.103688] RDX: 00005603c5f7ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.105004] RBP: 00007ffe92190400 R08: 0000000000000000 R09: 00007ffe9218faa0 [ 39.106283] R10: 0000000000000000 R11: 0000000000000246 R12: 00005603f6e6aad0 [ 39.107593] R13: 00007ffe92190830 R14: 00005603f6e6bbc0 R15: 00005603f6e7c780 [ 39.108894] [ 39.109288] irq event stamp: 1823 [ 39.109794] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 39.111049] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 39.112300] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 39.113594] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 39.114839] ---[ end trace 0000000000000000 ]--- [ 42.652898] ------------[ cut here ]------------ [ 42.653832] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.655891] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.657400] Modules linked in: [ 42.657989] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.660225] Tainted: [W]=WARN [ 42.660787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.662311] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.663237] 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 [ 42.666436] RSP: 0018:ffff88801aecfbc0 EFLAGS: 00010286 [ 42.667431] RAX: 0000000000000000 RBX: ffffed10035d9f78 RCX: ffffffff813a4050 [ 42.668743] RDX: ffff888016019bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.670041] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035d9f2f [ 42.671322] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.672613] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aecfdf8 [ 42.673902] FS: 00007f72cb462900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.675346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.676454] CR2: 00007f72cb954580 CR3: 000000000d042000 CR4: 0000000000350ef0 [ 42.677743] Call Trace: [ 42.678244] [ 42.678652] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.679566] ? __create_object+0x59/0x80 [ 42.680364] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.681366] __vmalloc_noprof+0x59/0x60 [ 42.682090] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.682971] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.683898] bpf_prog_alloc+0x39/0x200 [ 42.684653] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.685600] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.686521] do_seccomp+0x349/0x25e0 [ 42.687255] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.688164] ? __pfx_do_seccomp+0x10/0x10 [ 42.688926] ? find_held_lock+0x2b/0x80 [ 42.689700] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.690673] ? static_key_count+0x60/0x80 [ 42.691486] prctl_set_seccomp+0x4e/0x70 [ 42.692275] __do_sys_prctl+0xe6c/0x1d70 [ 42.693024] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.693877] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.694865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.695840] ? irqentry_exit+0xf3/0x650 [ 42.696631] do_syscall_64+0xbf/0x430 [ 42.697382] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.698341] RIP: 0033:0x7f72cb9545cd [ 42.699004] 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 [ 42.702171] RSP: 002b:00007ffca9e978a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.703545] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f72cb9545cd [ 42.704871] RDX: 0000560445040e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.706160] RBP: 00007ffca9e97900 R08: 0000000000000000 R09: 00007ffca9e96fa0 [ 42.707456] R10: 0000000000000000 R11: 0000000000000246 R12: 000056045ddb0ad0 [ 42.708768] R13: 00007ffca9e97d30 R14: 000056045ddb1bc0 R15: 000056045ddc2780 [ 42.710073] [ 42.710522] irq event stamp: 1833 [ 42.711188] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 42.712755] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 42.714299] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 42.715893] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 42.717312] ---[ end trace 0000000000000000 ]--- [ 43.610497] ------------[ cut here ]------------ [ 43.611445] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.613538] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.615030] Modules linked in: [ 43.615669] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.617917] Tainted: [W]=WARN [ 43.618615] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.620115] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.621021] 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 [ 43.624216] RSP: 0018:ffff88800f3bfbc0 EFLAGS: 00010286 [ 43.625198] RAX: 0000000000000000 RBX: ffffed1001e77f78 RCX: ffffffff813a4050 [ 43.626504] RDX: ffff88801ab55340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.627806] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e77f2f [ 43.629134] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.630439] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f3bfdf8 [ 43.631740] FS: 00007f1657f94900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.633232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.634310] CR2: 00007f1658486580 CR3: 000000000dfc3000 CR4: 0000000000350ef0 [ 43.635609] Call Trace: [ 43.636079] [ 43.636558] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.637480] ? __create_object+0x59/0x80 [ 43.638278] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.639269] __vmalloc_noprof+0x59/0x60 [ 43.640000] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.640888] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.641817] bpf_prog_alloc+0x39/0x200 [ 43.642564] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.643523] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.644454] do_seccomp+0x349/0x25e0 [ 43.645177] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.646047] ? __pfx_do_seccomp+0x10/0x10 [ 43.646858] ? find_held_lock+0x2b/0x80 [ 43.647614] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.648613] ? static_key_count+0x60/0x80 [ 43.649426] prctl_set_seccomp+0x4e/0x70 [ 43.650223] __do_sys_prctl+0xe6c/0x1d70 [ 43.650977] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.651851] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.652844] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.653832] ? irqentry_exit+0xf3/0x650 [ 43.654620] do_syscall_64+0xbf/0x430 [ 43.655367] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.656330] RIP: 0033:0x7f16584865cd [ 43.657018] 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 [ 43.660218] RSP: 002b:00007fffcee74360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.661611] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f16584865cd [ 43.662920] RDX: 00005556ad658e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.664211] RBP: 00007fffcee743c0 R08: 0000000000000000 R09: 00007fffcee73a60 [ 43.665530] R10: 0000000000000000 R11: 0000000000000246 R12: 00005556bd8a7ad0 [ 43.666825] R13: 00007fffcee747f0 R14: 00005556bd8a8bc0 R15: 00005556bd8b9780 [ 43.668157] [ 43.668599] irq event stamp: 1819 [ 43.669257] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 43.670805] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 43.672362] softirqs last enabled at (1358): [] handle_softirqs+0x50c/0x770 [ 43.673944] softirqs last disabled at (1335): [] __irq_exit_rcu+0xc4/0x100 [ 43.675487] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46271' (ECDSA) to the list of known hosts. 2025/11/17 14:08:57 fuzzer started 2025/11/17 14:08:58 dialing manager at localhost:37895 2025/11/17 14:08:58 checking machine... 2025/11/17 14:08:58 checking revisions... [ 44.592848] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:08:58 testing simple program... [ 44.686390] cgroup: Unknown subsys name 'net' [ 44.760071] cgroup: Unknown subsys name 'cpuset' [ 44.782058] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:08:57 Registers: info registers vcpu 0 RAX=ffff88801adcb780 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88800a9578d8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f69 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81526ee0 RFL=00000006 [-----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 00007f72cb462900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffca9e91000 CR3=000000001f995000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000186 RBX=ffff888019d81bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888019d82640 RDI=ffff888019d82618 RBP=ffff888019d82618 RSP=ffff888014aaf048 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888019d82640 R13=6a5c580aceac53cb R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f3 RFL=00000003 [------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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fed04d92260 CR3=000000001fadb000 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=2e6f732e347a6c62696c2f756e672d78 XMM02=00312e6f732e347a6c62696c2f756e67 XMM03=2d78756e696c2d34365f3638782f6269 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000