syzkaller login: [ 45.462865] ------------[ cut here ]------------ [ 45.463805] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.465805] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 45.467248] Modules linked in: [ 45.467841] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.469806] Tainted: [W]=WARN [ 45.470417] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.471915] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.473080] 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 [ 45.476320] RSP: 0018:ffff88801c5a7bc0 EFLAGS: 00010286 [ 45.477322] RAX: 0000000000000000 RBX: ffffed10038b4f78 RCX: ffffffff813a4050 [ 45.478596] RDX: ffff888016005340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.479886] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038b4f2f [ 45.481187] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.482463] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c5a7df8 [ 45.483757] FS: 00007fcf0c745900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.485203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.486276] CR2: 00007fcf0cc37580 CR3: 000000000c653000 CR4: 0000000000350ef0 [ 45.487566] Call Trace: [ 45.488045] [ 45.488482] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.489392] ? __create_object+0x59/0x80 [ 45.490126] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.491099] __vmalloc_noprof+0x59/0x60 [ 45.491873] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.492746] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.493683] bpf_prog_alloc+0x39/0x200 [ 45.494429] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.495365] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.496285] do_seccomp+0x349/0x25e0 [ 45.496965] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.497874] ? __pfx_do_seccomp+0x10/0x10 [ 45.498648] ? find_held_lock+0x2b/0x80 [ 45.499422] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.500410] ? static_key_count+0x60/0x80 [ 45.501207] prctl_set_seccomp+0x4e/0x70 [ 45.501934] __do_sys_prctl+0xe6c/0x1d70 [ 45.502717] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.503568] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.504542] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.505505] ? irqentry_exit+0xf3/0x650 [ 45.506275] do_syscall_64+0xbf/0x430 [ 45.506963] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.507919] RIP: 0033:0x7fcf0cc375cd [ 45.508625] 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 [ 45.511787] RSP: 002b:00007ffebb2f8ba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.513150] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf0cc375cd [ 45.514430] RDX: 00005614e0ef2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.515732] RBP: 00007ffebb2f8c00 R08: 0000000000000000 R09: 00007ffebb2f82a0 [ 45.517007] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561500a67b10 [ 45.518279] R13: 00007ffebb2f9030 R14: 0000561500a682b0 R15: 0000561500a7c6f0 [ 45.519596] [ 45.520018] irq event stamp: 1817 [ 45.520684] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 45.522268] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 45.523789] softirqs last enabled at (1852): [] handle_softirqs+0x50c/0x770 [ 45.525336] softirqs last disabled at (1841): [] __irq_exit_rcu+0xc4/0x100 [ 45.526840] ---[ end trace 0000000000000000 ]--- [ 48.299533] ------------[ cut here ]------------ [ 48.300542] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.302720] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 48.304558] Modules linked in: [ 48.305334] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.307520] Tainted: [W]=WARN [ 48.308187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.309796] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.310808] 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 [ 48.314301] RSP: 0018:ffff888016ebfbc0 EFLAGS: 00010286 [ 48.315372] RAX: 0000000000000000 RBX: ffffed1002dd7f78 RCX: ffffffff813a4050 [ 48.316788] RDX: ffff888015ed8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.318200] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd7f2f [ 48.319623] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.321030] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ebfdf8 [ 48.322439] FS: 00007fcac3961900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.324019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.325190] CR2: 00007fcac3e53580 CR3: 000000000bf26000 CR4: 0000000000350ef0 [ 48.326616] Call Trace: [ 48.327186] [ 48.327654] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.328625] ? __create_object+0x59/0x80 [ 48.329500] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.330610] __vmalloc_noprof+0x59/0x60 [ 48.331451] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.332458] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.333498] bpf_prog_alloc+0x39/0x200 [ 48.334337] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.335358] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.336361] do_seccomp+0x349/0x25e0 [ 48.337103] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.338106] ? __pfx_do_seccomp+0x10/0x10 [ 48.338982] ? find_held_lock+0x2b/0x80 [ 48.339831] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.340898] ? static_key_count+0x60/0x80 [ 48.341806] prctl_set_seccomp+0x4e/0x70 [ 48.342683] __do_sys_prctl+0xe6c/0x1d70 [ 48.343587] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.344561] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.345686] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.346793] ? irqentry_exit+0xf3/0x650 [ 48.347673] do_syscall_64+0xbf/0x430 [ 48.348412] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.349334] RIP: 0033:0x7fcac3e535cd [ 48.349973] 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 [ 48.353033] RSP: 002b:00007fff0a7eab40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.354343] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcac3e535cd [ 48.355582] RDX: 000055f303e91e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.356809] RBP: 00007fff0a7eaba0 R08: 0000000000000000 R09: 00007fff0a7ea240 [ 48.358039] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f32a3152b0 [ 48.359267] R13: 00007fff0a7eafd0 R14: 000055f32a317d20 R15: 000055f32a3298d0 [ 48.360524] [ 48.360931] irq event stamp: 1823 [ 48.361553] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 48.363016] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 48.364484] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 48.365968] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 48.367413] ---[ end trace 0000000000000000 ]--- [ 49.009570] ------------[ cut here ]------------ [ 49.010452] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.012323] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.013686] Modules linked in: [ 49.014277] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.016153] Tainted: [W]=WARN [ 49.016671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.018309] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.019125] 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 [ 49.022194] RSP: 0018:ffff88801abe7bc0 EFLAGS: 00010286 [ 49.023061] RAX: 0000000000000000 RBX: ffffed100357cf78 RCX: ffffffff813a4050 [ 49.024308] RDX: ffff888016b0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.025515] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100357cf2f [ 49.026702] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.027914] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801abe7df8 [ 49.029127] FS: 00007f15bc1d8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.030485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.031481] CR2: 00007ffc1bbf0ef8 CR3: 000000000e5d2000 CR4: 0000000000350ef0 [ 49.032698] Call Trace: [ 49.033179] [ 49.033566] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.034405] ? __create_object+0x59/0x80 [ 49.035096] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.036004] __vmalloc_noprof+0x59/0x60 [ 49.036713] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.037523] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.038392] bpf_prog_alloc+0x39/0x200 [ 49.039034] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.039918] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.040757] do_seccomp+0x349/0x25e0 [ 49.041428] ? find_held_lock+0x2b/0x80 [ 49.042092] ? do_prlimit+0x310/0x610 [ 49.042790] ? __pfx_do_seccomp+0x10/0x10 [ 49.043543] ? do_raw_spin_unlock+0x53/0x220 [ 49.044323] ? _raw_spin_unlock+0x1e/0x40 [ 49.045020] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.045904] ? static_key_count+0x60/0x80 [ 49.046646] prctl_set_seccomp+0x4e/0x70 [ 49.047366] __do_sys_prctl+0xe6c/0x1d70 [ 49.048066] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.048865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.049756] ? irqentry_exit+0xf3/0x650 [ 49.050476] do_syscall_64+0xbf/0x430 [ 49.051122] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.052023] RIP: 0033:0x7f15bc6ca5cd [ 49.052682] 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 [ 49.055643] RSP: 002b:00007ffc1bbef300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.056939] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15bc6ca5cd [ 49.058167] RDX: 000056365a741e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.059379] RBP: 00007ffc1bbef360 R08: 0000000000000000 R09: 00007ffc1bbeea00 [ 49.060597] R10: 0000000000000000 R11: 0000000000000246 R12: 00005636868a4bf0 [ 49.061793] R13: 00007ffc1bbef790 R14: 00005636868ae380 R15: 00005636868b9460 [ 49.063007] [ 49.063439] irq event stamp: 1821 [ 49.064023] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 49.065442] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 49.066861] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 49.068318] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 49.069740] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56774' (ECDSA) to the list of known hosts. 2025/11/18 19:09:49 fuzzer started 2025/11/18 19:09:49 dialing manager at localhost:34383 2025/11/18 19:09:49 checking machine... 2025/11/18 19:09:49 checking revisions... [ 49.983181] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:09:50 testing simple program... [ 50.082701] cgroup: Unknown subsys name 'net' [ 50.142619] cgroup: Unknown subsys name 'cpuset' [ 50.160714] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:09:49 Registers: info registers vcpu 0 RAX=0000000000047f51 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4c35609020 CR3=000000000c4ba000 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=2038343a39303a393120383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038343a39303a3931203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88806cf08b38 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1169 RSI=ffffffff81000130 RDI=ffff88806cf08b48 RBP=ffff88806cf08b08 RSP=ffff88806cf08a50 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=00000000000c7d16 R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888015edd340 R15=ffff888008c4b780 RIP=ffffffff81619156 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 00007fcac3961900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff0a7e4000 CR3=000000001771c000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000