syzkaller login: [ 45.991686] ------------[ cut here ]------------ [ 45.992575] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.994678] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 45.996150] Modules linked in: [ 45.996806] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.998862] Tainted: [W]=WARN [ 45.999430] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.000912] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.001827] 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 [ 46.005050] RSP: 0018:ffff8880176d7bc0 EFLAGS: 00010286 [ 46.006017] RAX: 0000000000000000 RBX: ffffed1002edaf78 RCX: ffffffff813a4050 [ 46.007306] RDX: ffff88801b3a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.008592] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002edaf2f [ 46.009915] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.011200] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176d7df8 [ 46.012485] FS: 00007ff71e937900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.013993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.015081] CR2: 00007fffcc655ef7 CR3: 000000000e609000 CR4: 0000000000350ef0 [ 46.016369] Call Trace: [ 46.016880] [ 46.017298] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.018192] ? __create_object+0x59/0x80 [ 46.018974] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.019936] __vmalloc_noprof+0x59/0x60 [ 46.020699] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.021539] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.022490] bpf_prog_alloc+0x39/0x200 [ 46.023220] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.024157] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.025086] do_seccomp+0x349/0x25e0 [ 46.025810] ? find_held_lock+0x2b/0x80 [ 46.026529] ? do_prlimit+0x310/0x610 [ 46.027271] ? __pfx_do_seccomp+0x10/0x10 [ 46.028062] ? do_raw_spin_unlock+0x53/0x220 [ 46.028914] ? _raw_spin_unlock+0x1e/0x40 [ 46.029696] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.030664] ? static_key_count+0x60/0x80 [ 46.031422] prctl_set_seccomp+0x4e/0x70 [ 46.032195] __do_sys_prctl+0xe6c/0x1d70 [ 46.032986] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.033837] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.034816] ? irqentry_exit+0xf3/0x650 [ 46.035538] do_syscall_64+0xbf/0x430 [ 46.036289] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.037261] RIP: 0033:0x7ff71ee295cd [ 46.037962] 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 [ 46.041135] RSP: 002b:00007fffcc653b30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.042496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff71ee295cd [ 46.043788] RDX: 0000562546c68e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.045097] RBP: 00007fffcc653b90 R08: 0000000000000000 R09: 00007fffcc653230 [ 46.046401] R10: 0000000000000000 R11: 0000000000000246 R12: 000056255dcbaad0 [ 46.047694] R13: 00007fffcc653fc0 R14: 000056255dcbbbc0 R15: 000056255dccc780 [ 46.049009] [ 46.049444] irq event stamp: 1773 [ 46.050098] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 46.051642] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 46.053190] softirqs last enabled at (1816): [] handle_softirqs+0x50c/0x770 [ 46.054764] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 46.056282] ---[ end trace 0000000000000000 ]--- [ 49.443124] ------------[ cut here ]------------ [ 49.444052] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.446041] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 49.447507] Modules linked in: [ 49.448143] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.450176] Tainted: [W]=WARN [ 49.450776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.452257] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.453190] 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 [ 49.456376] RSP: 0018:ffff88801740fbc0 EFLAGS: 00010286 [ 49.457376] RAX: 0000000000000000 RBX: ffffed1002e81f78 RCX: ffffffff813a4050 [ 49.458687] RDX: ffff88800a9d5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.459972] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e81f2f [ 49.461293] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.462593] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801740fdf8 [ 49.463884] FS: 00007f2ca38c9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.465330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.466393] CR2: 00007f2ca3e2f4a6 CR3: 000000001fc54000 CR4: 0000000000350ef0 [ 49.467697] Call Trace: [ 49.468169] [ 49.468574] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.469490] ? __create_object+0x59/0x80 [ 49.470284] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.471256] __vmalloc_noprof+0x59/0x60 [ 49.472036] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.472918] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.473853] bpf_prog_alloc+0x39/0x200 [ 49.474552] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.475488] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.476390] do_seccomp+0x349/0x25e0 [ 49.477114] ? find_held_lock+0x2b/0x80 [ 49.477878] ? do_prlimit+0x310/0x610 [ 49.478580] ? __pfx_do_seccomp+0x10/0x10 [ 49.479372] ? do_raw_spin_unlock+0x53/0x220 [ 49.480207] ? _raw_spin_unlock+0x1e/0x40 [ 49.480996] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.481977] ? static_key_count+0x60/0x80 [ 49.482786] prctl_set_seccomp+0x4e/0x70 [ 49.483519] __do_sys_prctl+0xe6c/0x1d70 [ 49.484300] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.485180] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.486167] ? irqentry_exit+0xf3/0x650 [ 49.486937] do_syscall_64+0xbf/0x430 [ 49.487674] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.488594] RIP: 0033:0x7f2ca3dbb5cd [ 49.489328] 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 [ 49.492525] RSP: 002b:00007ffe1105f240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.493907] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ca3dbb5cd [ 49.495209] RDX: 000055f757709e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.496490] RBP: 00007ffe1105f2a0 R08: 0000000000000000 R09: 00007ffe1105e940 [ 49.497788] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7860c9ad0 [ 49.499081] R13: 00007ffe1105f6d0 R14: 000055f7860cabc0 R15: 000055f7860db780 [ 49.500377] [ 49.500868] irq event stamp: 1787 [ 49.501490] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 49.503032] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 49.504575] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 49.506151] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 49.507680] ---[ end trace 0000000000000000 ]--- [ 50.327311] ------------[ cut here ]------------ [ 50.328258] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.330247] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 50.331844] Modules linked in: [ 50.332432] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.334447] Tainted: [W]=WARN [ 50.335041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.336535] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.337469] 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 [ 50.340639] RSP: 0018:ffff88801b177bc0 EFLAGS: 00010286 [ 50.341576] RAX: 0000000000000000 RBX: ffffed100362ef78 RCX: ffffffff813a4050 [ 50.342905] RDX: ffff888017f7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.344183] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100362ef2f [ 50.345494] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.346784] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b177df8 [ 50.348085] FS: 00007fcdc7e41900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.349548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.350593] CR2: 00007fcdc8333580 CR3: 00000000136c2000 CR4: 0000000000350ef0 [ 50.351914] Call Trace: [ 50.352394] [ 50.352862] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.353751] ? __create_object+0x59/0x80 [ 50.354504] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.355478] __vmalloc_noprof+0x59/0x60 [ 50.356245] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.357127] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.358072] bpf_prog_alloc+0x39/0x200 [ 50.358818] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.359743] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.360649] do_seccomp+0x349/0x25e0 [ 50.361346] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.362252] ? __pfx_do_seccomp+0x10/0x10 [ 50.363058] ? find_held_lock+0x2b/0x80 [ 50.363828] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.364819] ? static_key_count+0x60/0x80 [ 50.365575] prctl_set_seccomp+0x4e/0x70 [ 50.366353] __do_sys_prctl+0xe6c/0x1d70 [ 50.367157] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.368009] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.368984] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.369957] ? irqentry_exit+0xf3/0x650 [ 50.370723] do_syscall_64+0xbf/0x430 [ 50.371422] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.372369] RIP: 0033:0x7fcdc83335cd [ 50.373088] 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 [ 50.376299] RSP: 002b:00007ffd355680b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.377668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcdc83335cd [ 50.378965] RDX: 000055c33fba0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.380268] RBP: 00007ffd35568110 R08: 0000000000000000 R09: 00007ffd355677b0 [ 50.381587] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3730762b0 [ 50.382890] R13: 00007ffd35568540 R14: 000055c373078d20 R15: 000055c37308a8d0 [ 50.384204] [ 50.384671] irq event stamp: 1755 [ 50.385292] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 50.386834] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 50.388370] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 50.389934] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 50.391467] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62706' (ECDSA) to the list of known hosts. 2025/11/19 07:11:59 fuzzer started 2025/11/19 07:12:00 dialing manager at localhost:34383 2025/11/19 07:12:00 checking machine... 2025/11/19 07:12:00 checking revisions... [ 51.249796] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:12:00 testing simple program... [ 51.331704] cgroup: Unknown subsys name 'net' [ 51.391494] cgroup: Unknown subsys name 'cpuset' [ 51.410367] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:11:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffff88801f4577b4 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff88801b3a1bc0 RBP=ffffffff85e1ffe0 RSP=ffff88801f457790 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8175a716 R13=ffff88801f4577b4 R14=0000000000000001 R15=0000000000000001 RIP=ffffffff815221da RFL=00000002 [-------] 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 00007f2ca38c9900 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=00007f2ca3e80618 CR3=000000001f728000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff8175a7c7 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff888015fb74a8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8175a716 R13=0000000000000206 R14=ffff888015d15340 R15=ffff888009462500 RIP=ffffffff81528f47 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 00007fbf94f1c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcaae58948 CR3=000000000d707000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=c72c71f45b2791d200000000000ae988 XMM05=c1e7c1042820815a000000000031f378 XMM06=0b39c798a71319b6000000000031dea0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000