syzkaller login: [ 46.460510] ------------[ cut here ]------------ [ 46.461439] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.463510] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.464949] Modules linked in: [ 46.465617] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.467957] Tainted: [W]=WARN [ 46.468621] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.470109] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.471012] 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 [ 46.474200] RSP: 0018:ffff888015a6fbc0 EFLAGS: 00010286 [ 46.475178] RAX: 0000000000000000 RBX: ffffed1002b4df78 RCX: ffffffff813a4050 [ 46.476522] RDX: ffff888016a48000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.477895] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b4df2f [ 46.479187] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.480468] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a6fdf8 [ 46.481773] FS: 00007f43663ab900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.483222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.484283] CR2: 00007ffc6b716ef7 CR3: 000000000de8e000 CR4: 0000000000350ef0 [ 46.485592] Call Trace: [ 46.486063] [ 46.486533] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.487428] ? __create_object+0x59/0x80 [ 46.488168] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.489143] __vmalloc_noprof+0x59/0x60 [ 46.489923] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.490800] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.491735] bpf_prog_alloc+0x39/0x200 [ 46.492481] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.493361] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.494279] do_seccomp+0x349/0x25e0 [ 46.495000] ? find_held_lock+0x2b/0x80 [ 46.495759] ? do_prlimit+0x310/0x610 [ 46.496497] ? __pfx_do_seccomp+0x10/0x10 [ 46.497244] ? do_raw_spin_unlock+0x53/0x220 [ 46.498094] ? _raw_spin_unlock+0x1e/0x40 [ 46.498875] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.499841] ? static_key_count+0x60/0x80 [ 46.500640] prctl_set_seccomp+0x4e/0x70 [ 46.501374] __do_sys_prctl+0xe6c/0x1d70 [ 46.502174] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.503035] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.503996] ? irqentry_exit+0xf3/0x650 [ 46.504760] do_syscall_64+0xbf/0x430 [ 46.505504] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.506462] RIP: 0033:0x7f436689d5cd [ 46.507121] 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 [ 46.510367] RSP: 002b:00007ffc6b714830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.511763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f436689d5cd [ 46.513039] RDX: 000055baa9020e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.514326] RBP: 00007ffc6b714890 R08: 0000000000000000 R09: 00007ffc6b713f30 [ 46.515617] R10: 0000000000000000 R11: 0000000000000246 R12: 000055babf1a7ad0 [ 46.516889] R13: 00007ffc6b714cc0 R14: 000055babf1a8bc0 R15: 000055babf1b9780 [ 46.518202] [ 46.518678] irq event stamp: 1883 [ 46.519279] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 46.520797] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 46.522324] softirqs last enabled at (1600): [] handle_softirqs+0x50c/0x770 [ 46.523895] softirqs last disabled at (1595): [] __irq_exit_rcu+0xc4/0x100 [ 46.525421] ---[ end trace 0000000000000000 ]--- [ 49.306622] ------------[ cut here ]------------ [ 49.307351] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.309088] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.310314] Modules linked in: [ 49.310843] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.312486] Tainted: [W]=WARN [ 49.312941] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.314160] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.314921] 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 [ 49.317733] RSP: 0018:ffff8880170cfbc0 EFLAGS: 00010286 [ 49.318561] RAX: 0000000000000000 RBX: ffffed1002e19f78 RCX: ffffffff813a4050 [ 49.319633] RDX: ffff8880158fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.320699] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e19f2f [ 49.321770] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.322829] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170cfdf8 [ 49.323898] FS: 00007fa296c75900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.325096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.325996] CR2: 00007fa297167580 CR3: 00000000164e4000 CR4: 0000000000350ef0 [ 49.327069] Call Trace: [ 49.327485] [ 49.327824] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.328573] ? __create_object+0x59/0x80 [ 49.329184] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.329998] __vmalloc_noprof+0x59/0x60 [ 49.330622] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.331303] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.332084] bpf_prog_alloc+0x39/0x200 [ 49.332688] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.333453] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.334171] do_seccomp+0x349/0x25e0 [ 49.334771] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.335519] ? __pfx_do_seccomp+0x10/0x10 [ 49.336132] ? find_held_lock+0x2b/0x80 [ 49.336771] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.337567] ? static_key_count+0x60/0x80 [ 49.338208] prctl_set_seccomp+0x4e/0x70 [ 49.338849] __do_sys_prctl+0xe6c/0x1d70 [ 49.339501] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.340173] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.340969] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.341789] ? irqentry_exit+0xf3/0x650 [ 49.342415] do_syscall_64+0xbf/0x430 [ 49.342991] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.343787] RIP: 0033:0x7fa2971675cd [ 49.344331] 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 [ 49.346960] RSP: 002b:00007ffd2be23580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.348083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2971675cd [ 49.349144] RDX: 0000559b8a093e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.350219] RBP: 00007ffd2be235e0 R08: 0000000000000000 R09: 00007ffd2be22c80 [ 49.351277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559bc726ead0 [ 49.352350] R13: 00007ffd2be23a10 R14: 0000559bc726fbc0 R15: 0000559bc7280780 [ 49.353432] [ 49.353795] irq event stamp: 1755 [ 49.354297] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 49.355591] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 49.356870] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 49.358155] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 49.359411] ---[ end trace 0000000000000000 ]--- [ 50.068430] ------------[ cut here ]------------ [ 50.069309] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.071377] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 50.072850] Modules linked in: [ 50.073489] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.075494] Tainted: [W]=WARN [ 50.076041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.077517] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.078420] 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 [ 50.081617] RSP: 0018:ffff888015ab7bc0 EFLAGS: 00010286 [ 50.082605] RAX: 0000000000000000 RBX: ffffed1002b56f78 RCX: ffffffff813a4050 [ 50.083878] RDX: ffff888019f10000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.085155] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b56f2f [ 50.086470] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.087750] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ab7df8 [ 50.089042] FS: 00007f8f32c95900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.090490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.091546] CR2: 00007f8f33187580 CR3: 000000000bafe000 CR4: 0000000000350ef0 [ 50.092845] Call Trace: [ 50.093300] [ 50.093774] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.094675] ? __create_object+0x59/0x80 [ 50.095449] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.096365] __vmalloc_noprof+0x59/0x60 [ 50.097119] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.098004] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.098935] bpf_prog_alloc+0x39/0x200 [ 50.099669] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.100603] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.101525] do_seccomp+0x349/0x25e0 [ 50.102204] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.103123] ? __pfx_do_seccomp+0x10/0x10 [ 50.103902] ? find_held_lock+0x2b/0x80 [ 50.104665] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.105634] ? static_key_count+0x60/0x80 [ 50.106378] prctl_set_seccomp+0x4e/0x70 [ 50.107135] __do_sys_prctl+0xe6c/0x1d70 [ 50.107930] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.108776] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.109761] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.110741] ? irqentry_exit+0xf3/0x650 [ 50.111515] do_syscall_64+0xbf/0x430 [ 50.112200] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.113150] RIP: 0033:0x7f8f331875cd [ 50.113860] 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 [ 50.117026] RSP: 002b:00007fff62f42a20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.118424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8f331875cd [ 50.119730] RDX: 0000560ee8917e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.121013] RBP: 00007fff62f42a80 R08: 0000000000000000 R09: 00007fff62f42120 [ 50.122317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f171dfad0 [ 50.123614] R13: 00007fff62f42eb0 R14: 0000560f171e0bc0 R15: 0000560f171f1780 [ 50.124918] [ 50.125337] irq event stamp: 1723 [ 50.125998] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 50.127536] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 50.129065] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 50.130587] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 50.132104] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29951' (ECDSA) to the list of known hosts. 2025/11/17 22:45:27 fuzzer started 2025/11/17 22:45:27 dialing manager at localhost:37895 2025/11/17 22:45:27 checking machine... 2025/11/17 22:45:27 checking revisions... [ 51.053023] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:45:27 testing simple program... [ 51.142013] cgroup: Unknown subsys name 'net' [ 51.211770] cgroup: Unknown subsys name 'cpuset' [ 51.228097] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:45:26 Registers: info registers vcpu 0 RAX=d04ae6f39f145a00 RBX=ffff888019e9ff58 RCX=ffff888019e9fea4 RDX=0000000000000000 RSI=ffff88801c160858 RDI=ffff8880158fdd98 RBP=ffff88801c160858 RSP=ffff888019e9fe98 R8 =0000000000000000 R9 =ffffed100382c113 R10=0000000000000003 R11=0000000000000001 R12=ffffffff81c1b563 R13=0000000000000206 R14=ffff8880158fd340 R15=0000000000000001 RIP=ffffffff81529012 RFL=00000206 [-----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 00007fa296c75900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000559bc7293768 CR3=000000000e3a1000 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=ff0000000000ffff0000000000ff0000 XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000215e1 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7b95d12000 CR3=000000000d4e8000 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=18f19f5d7f2351a3a442af3f98bea1b0 XMM02=eff9b2d0a8fce9cb0000000000305778 XMM03=2c67c8bc2e329bc300000000003058a0 XMM04=98f80e80901144b200000000000ae988 XMM05=298fb9a434e66d740000000000322e28 XMM06=850eb28a30e39ed200000000003214c8 XMM07=fb795ef6d65770560000000000311428 XMM08=2c67c8bc2e329bc300000000003058a0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000