syzkaller login: [ 46.376901] ------------[ cut here ]------------ [ 46.377824] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.379905] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.381356] Modules linked in: [ 46.381939] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.383942] Tainted: [W]=WARN [ 46.384546] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.386024] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.386937] 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 [ 46.390098] RSP: 0018:ffff8880144c7bc0 EFLAGS: 00010286 [ 46.391024] RAX: 0000000000000000 RBX: ffffed1002898f78 RCX: ffffffff813a4050 [ 46.392316] RDX: ffff888014545340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.393619] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002898f2f [ 46.394894] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.396202] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880144c7df8 [ 46.397488] FS: 00007efc4f004900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.398936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.400011] CR2: 00007efc4f4f6580 CR3: 000000000c8f3000 CR4: 0000000000350ef0 [ 46.401287] Call Trace: [ 46.401745] [ 46.402209] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.403125] ? __create_object+0x59/0x80 [ 46.403860] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.404826] __vmalloc_noprof+0x59/0x60 [ 46.405582] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.406461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.407411] bpf_prog_alloc+0x39/0x200 [ 46.408154] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.409050] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.409967] do_seccomp+0x349/0x25e0 [ 46.410699] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.411634] ? __pfx_do_seccomp+0x10/0x10 [ 46.412463] ? find_held_lock+0x2b/0x80 [ 46.413239] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.414214] ? static_key_count+0x60/0x80 [ 46.414972] prctl_set_seccomp+0x4e/0x70 [ 46.415758] __do_sys_prctl+0xe6c/0x1d70 [ 46.416539] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.417426] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.418386] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.419365] ? irqentry_exit+0xf3/0x650 [ 46.420144] do_syscall_64+0xbf/0x430 [ 46.420839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.421783] RIP: 0033:0x7efc4f4f65cd [ 46.422470] 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 [ 46.425620] RSP: 002b:00007ffda50679b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.426978] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efc4f4f65cd [ 46.428277] RDX: 0000555ff5f50e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.429555] RBP: 00007ffda5067a10 R08: 0000000000000000 R09: 00007ffda50670b0 [ 46.430814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556030394ad0 [ 46.432104] R13: 00007ffda5067e40 R14: 0000556030395bc0 R15: 00005560303a6780 [ 46.433398] [ 46.433824] irq event stamp: 1733 [ 46.434481] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 46.436015] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 46.437564] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 46.439118] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 46.440630] ---[ end trace 0000000000000000 ]--- [ 49.871872] ------------[ cut here ]------------ [ 49.872799] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.874868] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.876336] Modules linked in: [ 49.876921] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.879161] Tainted: [W]=WARN [ 49.879716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.881231] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.882133] 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 [ 49.885322] RSP: 0018:ffff8880147efbc0 EFLAGS: 00010286 [ 49.886289] RAX: 0000000000000000 RBX: ffffed10028fdf78 RCX: ffffffff813a4050 [ 49.887549] RDX: ffff8880144a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.888811] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028fdf2f [ 49.890092] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.891353] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880147efdf8 [ 49.892633] FS: 00007fd9401b7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.894047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.895113] CR2: 00007fffd701eef7 CR3: 000000000dc6a000 CR4: 0000000000350ef0 [ 49.896414] Call Trace: [ 49.896877] [ 49.897320] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.898205] ? __create_object+0x59/0x80 [ 49.898970] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.899935] __vmalloc_noprof+0x59/0x60 [ 49.900689] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.901549] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.902486] bpf_prog_alloc+0x39/0x200 [ 49.903219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.904151] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.904996] do_seccomp+0x349/0x25e0 [ 49.905713] ? find_held_lock+0x2b/0x80 [ 49.906457] ? do_prlimit+0x310/0x610 [ 49.907201] ? __pfx_do_seccomp+0x10/0x10 [ 49.907944] ? do_raw_spin_unlock+0x53/0x220 [ 49.908780] ? _raw_spin_unlock+0x1e/0x40 [ 49.909562] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.910528] ? static_key_count+0x60/0x80 [ 49.911336] prctl_set_seccomp+0x4e/0x70 [ 49.912116] __do_sys_prctl+0xe6c/0x1d70 [ 49.912859] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.913712] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.914658] ? irqentry_exit+0xf3/0x650 [ 49.915418] do_syscall_64+0xbf/0x430 [ 49.916155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.917114] RIP: 0033:0x7fd9406a95cd [ 49.917780] 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 [ 49.920931] RSP: 002b:00007fffd701dbd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.922280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9406a95cd [ 49.923565] RDX: 0000557002dede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.924834] RBP: 00007fffd701dc30 R08: 0000000000000000 R09: 00007fffd701d2d0 [ 49.926103] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557042971b10 [ 49.927400] R13: 00007fffd701e060 R14: 00005570429722b0 R15: 00005570429866f0 [ 49.928687] [ 49.929142] irq event stamp: 1821 [ 49.929754] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 49.931261] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 49.932770] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 49.934271] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 49.935798] ---[ end trace 0000000000000000 ]--- [ 50.724051] ------------[ cut here ]------------ [ 50.724957] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.726915] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.728331] Modules linked in: [ 50.728905] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.730852] Tainted: [W]=WARN [ 50.731447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.732875] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.733757] 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 [ 50.736858] RSP: 0018:ffff888017137bc0 EFLAGS: 00010286 [ 50.737820] RAX: 0000000000000000 RBX: ffffed1002e26f78 RCX: ffffffff813a4050 [ 50.739053] RDX: ffff888016d40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.740338] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e26f2f [ 50.741574] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.742823] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017137df8 [ 50.744093] FS: 00007f386c900900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.745497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.746523] CR2: 00007fff1063fef7 CR3: 000000001a74a000 CR4: 0000000000350ef0 [ 50.747777] Call Trace: [ 50.748265] [ 50.748663] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.749538] ? __create_object+0x59/0x80 [ 50.750293] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.751258] __vmalloc_noprof+0x59/0x60 [ 50.751963] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.752805] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.753698] bpf_prog_alloc+0x39/0x200 [ 50.754411] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.755323] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.756215] do_seccomp+0x349/0x25e0 [ 50.756874] ? find_held_lock+0x2b/0x80 [ 50.757623] ? do_prlimit+0x310/0x610 [ 50.758361] ? __pfx_do_seccomp+0x10/0x10 [ 50.759131] ? do_raw_spin_unlock+0x53/0x220 [ 50.759919] ? _raw_spin_unlock+0x1e/0x40 [ 50.760693] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.761645] ? static_key_count+0x60/0x80 [ 50.762447] prctl_set_seccomp+0x4e/0x70 [ 50.763227] __do_sys_prctl+0xe6c/0x1d70 [ 50.763957] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.764808] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.765772] ? irqentry_exit+0xf3/0x650 [ 50.766563] do_syscall_64+0xbf/0x430 [ 50.767311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.768261] RIP: 0033:0x7f386cdf25cd [ 50.768929] 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 [ 50.772091] RSP: 002b:00007fff1063e680 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.773435] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f386cdf25cd [ 50.774709] RDX: 000055e35b850e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.775983] RBP: 00007fff1063e6e0 R08: 0000000000000000 R09: 00007fff1063dd80 [ 50.777271] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e36c08bb10 [ 50.778529] R13: 00007fff1063eb10 R14: 000055e36c08c2b0 R15: 000055e36c0a06f0 [ 50.779834] [ 50.780296] irq event stamp: 1759 [ 50.780892] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 50.782386] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 50.783905] softirqs last enabled at (1638): [] handle_softirqs+0x50c/0x770 [ 50.785412] softirqs last disabled at (1633): [] __irq_exit_rcu+0xc4/0x100 [ 50.786910] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4997' (ECDSA) to the list of known hosts. 2025/11/17 13:14:58 fuzzer started 2025/11/17 13:14:59 dialing manager at localhost:37895 2025/11/17 13:14:59 checking machine... 2025/11/17 13:14:59 checking revisions... [ 51.660773] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:14:59 testing simple program... [ 51.756555] cgroup: Unknown subsys name 'net' [ 51.830730] cgroup: Unknown subsys name 'cpuset' [ 51.853246] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:14:58 Registers: info registers vcpu 0 RAX=ffffffff8161932e RBX=ffffffff81618fa0 RCX=ffff88806ce08af0 RDX=1ffff1100d9c1155 RSI=ffffffff8161932e RDI=ffff88806ce08b18 RBP=ffff88806ce08ae8 RSP=ffff88806ce08a40 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=000000000000453f R12=ffff88806ce08b18 R13=0000000000000000 R14=ffff888016580000 R15=ffff888009462280 RIP=ffffffff84c99a26 RFL=00000286 [--S--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 00007fd9401b7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffd7017000 CR3=000000000defb000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002603f 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff3d4ecc018 CR3=000000000d648000 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=3f8f09f034f870b629432e013b103e18 XMM02=0000000000304b80ec2efd57dc4c00df XMM03=00000000003107804054632c0ced6de3 XMM04=9213a2c60c3fb8ad00000000000ae988 XMM05=5e3b816914f543bf0000000000321cc0 XMM06=5b75c91c8044534200000000003205f8 XMM07=e042d86d42eb936e00000000003118d0 XMM08=4054632c0ced6de30000000000304be0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000