syzkaller login: [ 46.460221] ------------[ cut here ]------------ [ 46.460847] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.462194] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.463179] Modules linked in: [ 46.463603] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.464953] Tainted: [W]=WARN [ 46.465320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.466302] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.466921] 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 [ 46.469046] RSP: 0018:ffff888019d37bc0 EFLAGS: 00010286 [ 46.469715] RAX: 0000000000000000 RBX: ffffed10033a6f78 RCX: ffffffff813a4050 [ 46.470577] RDX: ffff8880171ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.471405] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033a6f2f [ 46.472280] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.473145] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019d37df8 [ 46.474010] FS: 00007fb5a8986900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.474976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.475692] CR2: 00007fb5a8e78580 CR3: 000000001dcc6000 CR4: 0000000000350ef0 [ 46.476572] Call Trace: [ 46.476884] [ 46.477159] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.477804] ? __create_object+0x59/0x80 [ 46.478299] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.478947] __vmalloc_noprof+0x59/0x60 [ 46.479424] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.480023] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.480649] bpf_prog_alloc+0x39/0x200 [ 46.481119] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.481742] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.482317] do_seccomp+0x349/0x25e0 [ 46.482803] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.483370] ? __pfx_do_seccomp+0x10/0x10 [ 46.483902] ? find_held_lock+0x2b/0x80 [ 46.484395] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.485038] ? static_key_count+0x60/0x80 [ 46.485578] prctl_set_seccomp+0x4e/0x70 [ 46.486062] __do_sys_prctl+0xe6c/0x1d70 [ 46.486591] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.487136] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.487786] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.488406] ? irqentry_exit+0xf3/0x650 [ 46.488926] do_syscall_64+0xbf/0x430 [ 46.489387] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.490032] RIP: 0033:0x7fb5a8e785cd [ 46.490506] 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 [ 46.492621] RSP: 002b:00007fff29ccbd10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.493540] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb5a8e785cd [ 46.494371] RDX: 00005619355cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.495230] RBP: 00007fff29ccbd70 R08: 0000000000000000 R09: 00007fff29ccb410 [ 46.496104] R10: 0000000000000000 R11: 0000000000000246 R12: 000056195c62cad0 [ 46.496963] R13: 00007fff29ccc1a0 R14: 000056195c62dbc0 R15: 000056195c63e780 [ 46.497842] [ 46.498132] irq event stamp: 1673 [ 46.498574] hardirqs last enabled at (1683): [] __up_console_sem+0x78/0x80 [ 46.499598] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 46.500625] softirqs last enabled at (1378): [] handle_softirqs+0x50c/0x770 [ 46.501660] softirqs last disabled at (1367): [] __irq_exit_rcu+0xc4/0x100 [ 46.502679] ---[ end trace 0000000000000000 ]--- [ 49.328768] ------------[ cut here ]------------ [ 49.329763] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.331878] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.333474] Modules linked in: [ 49.334099] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.336236] Tainted: [W]=WARN [ 49.336872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.338431] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.339394] 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 [ 49.342807] RSP: 0018:ffff888016dcfbc0 EFLAGS: 00010286 [ 49.343858] RAX: 0000000000000000 RBX: ffffed1002db9f78 RCX: ffffffff813a4050 [ 49.345256] RDX: ffff8880164a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.346628] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db9f2f [ 49.348030] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.349409] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dcfdf8 [ 49.350749] FS: 00007ffb08268900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.352230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.353325] CR2: 00007ffc69e3def7 CR3: 0000000016d6e000 CR4: 0000000000350ef0 [ 49.354617] Call Trace: [ 49.355088] [ 49.355561] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.356429] ? __create_object+0x59/0x80 [ 49.357218] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.358202] __vmalloc_noprof+0x59/0x60 [ 49.358960] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.359850] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.360827] bpf_prog_alloc+0x39/0x200 [ 49.361620] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.362633] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.363602] do_seccomp+0x349/0x25e0 [ 49.364336] ? find_held_lock+0x2b/0x80 [ 49.365156] ? do_prlimit+0x310/0x610 [ 49.365962] ? __pfx_do_seccomp+0x10/0x10 [ 49.366800] ? do_raw_spin_unlock+0x53/0x220 [ 49.367699] ? _raw_spin_unlock+0x1e/0x40 [ 49.368583] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.369623] ? static_key_count+0x60/0x80 [ 49.370428] prctl_set_seccomp+0x4e/0x70 [ 49.371277] __do_sys_prctl+0xe6c/0x1d70 [ 49.372132] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.373063] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.374104] ? irqentry_exit+0xf3/0x650 [ 49.374922] do_syscall_64+0xbf/0x430 [ 49.375728] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.376767] RIP: 0033:0x7ffb0875a5cd [ 49.377534] 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 [ 49.380953] RSP: 002b:00007ffc69e3ba70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.382404] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb0875a5cd [ 49.383783] RDX: 000056314008ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.385190] RBP: 00007ffc69e3bad0 R08: 0000000000000000 R09: 00007ffc69e3b170 [ 49.386573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563172c60ad0 [ 49.387924] R13: 00007ffc69e3bf00 R14: 0000563172c61bc0 R15: 0000563172c72780 [ 49.389306] [ 49.389845] irq event stamp: 1751 [ 49.390543] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 49.392224] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 49.393248] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 49.394295] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 49.395309] ---[ end trace 0000000000000000 ]--- [ 50.085216] ------------[ cut here ]------------ [ 50.086155] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.088268] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.089765] Modules linked in: [ 50.090361] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.092614] Tainted: [W]=WARN [ 50.093190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.094741] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.095670] 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 [ 50.098880] RSP: 0018:ffff88800f60fbc0 EFLAGS: 00010286 [ 50.099856] RAX: 0000000000000000 RBX: ffffed1001ec1f78 RCX: ffffffff813a4050 [ 50.101171] RDX: ffff88800f793780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.102498] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ec1f2f [ 50.103808] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.105105] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f60fdf8 [ 50.106389] FS: 00007f337a14c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.107837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.108910] CR2: 00007ffecd4b3ef7 CR3: 000000001dc9c000 CR4: 0000000000350ef0 [ 50.110227] Call Trace: [ 50.110753] [ 50.111162] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.112076] ? __create_object+0x59/0x80 [ 50.112884] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.113857] __vmalloc_noprof+0x59/0x60 [ 50.114618] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.115509] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.116413] bpf_prog_alloc+0x39/0x200 [ 50.117161] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.118113] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.119023] do_seccomp+0x349/0x25e0 [ 50.119765] ? find_held_lock+0x2b/0x80 [ 50.120530] ? do_prlimit+0x310/0x610 [ 50.121236] ? __pfx_do_seccomp+0x10/0x10 [ 50.122054] ? do_raw_spin_unlock+0x53/0x220 [ 50.122908] ? _raw_spin_unlock+0x1e/0x40 [ 50.123698] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.124699] ? static_key_count+0x60/0x80 [ 50.125597] prctl_set_seccomp+0x4e/0x70 [ 50.126337] __do_sys_prctl+0xe6c/0x1d70 [ 50.127131] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.128001] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.128997] ? irqentry_exit+0xf3/0x650 [ 50.129776] do_syscall_64+0xbf/0x430 [ 50.130521] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.131432] RIP: 0033:0x7f337a63e5cd [ 50.132170] 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 [ 50.135352] RSP: 002b:00007ffecd4b1ee0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.136744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f337a63e5cd [ 50.138033] RDX: 00005647876c0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.139318] RBP: 00007ffecd4b1f40 R08: 0000000000000000 R09: 00007ffecd4b15e0 [ 50.140598] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647b9717ad0 [ 50.141898] R13: 00007ffecd4b2370 R14: 00005647b9718bc0 R15: 00005647b9729780 [ 50.143202] [ 50.143668] irq event stamp: 1869 [ 50.144289] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 50.145822] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 50.147355] softirqs last enabled at (1826): [] handle_softirqs+0x50c/0x770 [ 50.148881] softirqs last disabled at (1821): [] __irq_exit_rcu+0xc4/0x100 [ 50.150148] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39227' (ECDSA) to the list of known hosts. 2025/11/18 07:32:16 fuzzer started 2025/11/18 07:32:17 dialing manager at localhost:37895 2025/11/18 07:32:17 checking machine... 2025/11/18 07:32:17 checking revisions... [ 50.976745] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:32:17 testing simple program... [ 51.059800] cgroup: Unknown subsys name 'net' [ 51.128641] cgroup: Unknown subsys name 'cpuset' [ 51.143513] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:32:16 Registers: info registers vcpu 0 RAX=ffffffff81439a42 RBX=ffffffff81618fa0 RCX=ffff88801953f91c RDX=1ffff110032a7f44 RSI=ffffffff81439a42 RDI=ffff88801953fa90 RBP=ffff88801953fa60 RSP=ffff88801953f9c0 R8 =0000000000000001 R9 =ffff88801953fa08 R10=000000000003c9ed R11=00000000000273ac R12=ffff88801953fa90 R13=0000000000000000 R14=ffff88800b393780 R15=ffff888009462500 RIP=ffffffff81618fa4 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 00007ffb08268900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffb08228008 CR3=000000000de2c000 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=32333a373020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303933 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000029047 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 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f20241cf000 CR3=0000000009c0b000 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=465146b39abc3d8e5540f78dab0245be XMM02=2c67c8bc2e329bc30000000000304a28 XMM03=fb795ef6d65770560000000000311d28 XMM04=27c442b18d5e682e00000000000ae988 XMM05=f785966dd255071300000000003212d8 XMM06=5b75c91c804453420000000000320cd0 XMM07=e042d86d42eb936e0000000000311fa8 XMM08=0cf1e39500490fb30000000000304a88 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000