syzkaller login: [ 45.898116] ------------[ cut here ]------------ [ 45.899041] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.901115] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 45.902590] Modules linked in: [ 45.903468] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.905543] Tainted: [W]=WARN [ 45.906157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.907633] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.908575] 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 [ 45.911775] RSP: 0018:ffff88800c657bc0 EFLAGS: 00010286 [ 45.912785] RAX: 0000000000000000 RBX: ffffed10018caf78 RCX: ffffffff813a4050 [ 45.914135] RDX: ffff88800b359bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.915420] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10018caf2f [ 45.916869] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.918359] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800c657df8 [ 45.919868] FS: 00007f05e1f86900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.921531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.922767] CR2: 00007f05e2478580 CR3: 000000000d1d8000 CR4: 0000000000350ef0 [ 45.924366] Call Trace: [ 45.924960] [ 45.925435] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.926489] ? __create_object+0x59/0x80 [ 45.927398] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.928527] __vmalloc_noprof+0x59/0x60 [ 45.929404] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.930414] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.931493] bpf_prog_alloc+0x39/0x200 [ 45.932347] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.933428] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.934472] do_seccomp+0x349/0x25e0 [ 45.935298] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.936367] ? __pfx_do_seccomp+0x10/0x10 [ 45.937274] ? find_held_lock+0x2b/0x80 [ 45.938150] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.939264] ? static_key_count+0x60/0x80 [ 45.940196] prctl_set_seccomp+0x4e/0x70 [ 45.941094] __do_sys_prctl+0xe6c/0x1d70 [ 45.942002] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.942993] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.944127] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.945244] ? irqentry_exit+0xf3/0x650 [ 45.946128] do_syscall_64+0xbf/0x430 [ 45.946988] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.948106] RIP: 0033:0x7f05e24785cd [ 45.948915] 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 [ 45.952570] RSP: 002b:00007ffc53d9a240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.954149] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f05e24785cd [ 45.955634] RDX: 000055c3b94a5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.957125] RBP: 00007ffc53d9a2a0 R08: 0000000000000000 R09: 00007ffc53d99940 [ 45.958613] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3d9b812b0 [ 45.960112] R13: 00007ffc53d9a6d0 R14: 000055c3d9b83d20 R15: 000055c3d9b958d0 [ 45.961608] [ 45.962130] irq event stamp: 1833 [ 45.962875] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 45.964552] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 45.966022] softirqs last enabled at (1866): [] handle_softirqs+0x50c/0x770 [ 45.967510] softirqs last disabled at (1851): [] __irq_exit_rcu+0xc4/0x100 [ 45.968984] ---[ end trace 0000000000000000 ]--- [ 48.735435] ------------[ cut here ]------------ [ 48.736410] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.738469] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 48.739954] Modules linked in: [ 48.740561] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.742628] Tainted: [W]=WARN [ 48.743224] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.744702] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.745602] 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 [ 48.748851] RSP: 0018:ffff88801790fbc0 EFLAGS: 00010286 [ 48.749797] RAX: 0000000000000000 RBX: ffffed1002f21f78 RCX: ffffffff813a4050 [ 48.751140] RDX: ffff88801b925340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.752453] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f21f2f [ 48.753752] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.755025] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801790fdf8 [ 48.756346] FS: 00007f484383a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.757793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.758859] CR2: 00007fffd98d8ef8 CR3: 000000000b6bf000 CR4: 0000000000350ef0 [ 48.760167] Call Trace: [ 48.760637] [ 48.761078] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.761975] ? __create_object+0x59/0x80 [ 48.762724] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.763695] __vmalloc_noprof+0x59/0x60 [ 48.764470] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.765349] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.766279] bpf_prog_alloc+0x39/0x200 [ 48.767011] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.767954] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.768860] do_seccomp+0x349/0x25e0 [ 48.769534] ? find_held_lock+0x2b/0x80 [ 48.770296] ? do_prlimit+0x310/0x610 [ 48.771033] ? __pfx_do_seccomp+0x10/0x10 [ 48.771774] ? do_raw_spin_unlock+0x53/0x220 [ 48.772616] ? _raw_spin_unlock+0x1e/0x40 [ 48.773394] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.774366] ? static_key_count+0x60/0x80 [ 48.775151] prctl_set_seccomp+0x4e/0x70 [ 48.775933] __do_sys_prctl+0xe6c/0x1d70 [ 48.776662] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.777513] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.778465] ? irqentry_exit+0xf3/0x650 [ 48.779217] do_syscall_64+0xbf/0x430 [ 48.779958] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.780915] RIP: 0033:0x7f4843d2c5cd [ 48.781570] 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 [ 48.784772] RSP: 002b:00007fffd98d6b40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.786172] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4843d2c5cd [ 48.787475] RDX: 00005588fe6d1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.788787] RBP: 00007fffd98d6ba0 R08: 0000000000000000 R09: 00007fffd98d6240 [ 48.790087] R10: 0000000000000000 R11: 0000000000000246 R12: 000055892f9dfbf0 [ 48.791388] R13: 00007fffd98d6fd0 R14: 000055892f9e9380 R15: 000055892f9f4460 [ 48.792691] [ 48.793158] irq event stamp: 1801 [ 48.793757] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 48.795296] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 48.796855] softirqs last enabled at (1372): [] handle_softirqs+0x50c/0x770 [ 48.798434] softirqs last disabled at (1367): [] __irq_exit_rcu+0xc4/0x100 [ 48.799955] ---[ end trace 0000000000000000 ]--- [ 49.462497] ------------[ cut here ]------------ [ 49.463459] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.465634] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/256 [ 49.467148] Modules linked in: [ 49.467759] CPU: 1 UID: 104 PID: 256 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.469841] Tainted: [W]=WARN [ 49.470404] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.472178] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.473214] 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 [ 49.476562] RSP: 0018:ffff888017ab7bc0 EFLAGS: 00010286 [ 49.477590] RAX: 0000000000000000 RBX: ffffed1002f56f78 RCX: ffffffff813a4050 [ 49.479004] RDX: ffff88801649b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.480355] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f56f2f [ 49.481638] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.482928] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017ab7df8 [ 49.484374] FS: 00007f827794e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.485967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.487123] CR2: 00007ffe26200ef8 CR3: 000000001ef69000 CR4: 0000000000350ef0 [ 49.488542] Call Trace: [ 49.489076] [ 49.489496] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.490397] ? __create_object+0x59/0x80 [ 49.491183] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.492173] __vmalloc_noprof+0x59/0x60 [ 49.492941] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.493771] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.494717] bpf_prog_alloc+0x39/0x200 [ 49.495455] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.496402] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.497305] do_seccomp+0x349/0x25e0 [ 49.498031] ? find_held_lock+0x2b/0x80 [ 49.498745] ? do_prlimit+0x310/0x610 [ 49.499493] ? __pfx_do_seccomp+0x10/0x10 [ 49.500297] ? do_raw_spin_unlock+0x53/0x220 [ 49.501121] ? _raw_spin_unlock+0x1e/0x40 [ 49.501906] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.502875] ? static_key_count+0x60/0x80 [ 49.503636] prctl_set_seccomp+0x4e/0x70 [ 49.504420] __do_sys_prctl+0xe6c/0x1d70 [ 49.505209] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.506069] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.507034] ? irqentry_exit+0xf3/0x650 [ 49.507759] do_syscall_64+0xbf/0x430 [ 49.508502] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.509461] RIP: 0033:0x7f8277e405cd [ 49.510171] 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 [ 49.513365] RSP: 002b:00007ffe261fec10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.514732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8277e405cd [ 49.516017] RDX: 00005614c8fb4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.517307] RBP: 00007ffe261fec70 R08: 0000000000000000 R09: 00007ffe261fe310 [ 49.518580] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614f4be5bf0 [ 49.519873] R13: 00007ffe261ff0a0 R14: 00005614f4bef380 R15: 00005614f4bfa460 [ 49.521177] [ 49.521592] irq event stamp: 1789 [ 49.522229] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 49.523716] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 49.525227] softirqs last enabled at (1538): [] handle_softirqs+0x50c/0x770 [ 49.526756] softirqs last disabled at (1533): [] __irq_exit_rcu+0xc4/0x100 [ 49.528293] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24577' (ECDSA) to the list of known hosts. 2025/11/17 10:20:39 fuzzer started 2025/11/17 10:20:39 dialing manager at localhost:37895 2025/11/17 10:20:39 checking machine... 2025/11/17 10:20:39 checking revisions... [ 50.407731] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:20:40 testing simple program... [ 50.488938] cgroup: Unknown subsys name 'net' [ 50.559130] cgroup: Unknown subsys name 'cpuset' [ 50.573067] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:20:39 Registers: info registers vcpu 0 RAX=000000000000000c RBX=ffff88801b923780 RCX=0000000000000000 RDX=0000000000000008 RSI=0000000000000080 RDI=ffff88806ce3c2f0 RBP=ffff88801b9241d8 RSP=ffff88801943f6a8 R8 =0000000000080000 R9 =0000000000000023 R10=0000000000000001 R11=0000000000000000 R12=ffff88801b924228 R13=0000000000000003 R14=0000000000000001 R15=0000000000040000 RIP=ffffffff8152732f 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 00007f484383a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f48437e9008 CR3=000000001ee2c000 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=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 info registers vcpu 1 RAX=00000000000200b1 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd7c411aa8 CR3=000000000cea3000 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=233caed176e15c8980464d2163beba9d XMM02=ec2efd57dc4c00df0000000000307b50 XMM03=cee6e9d290a88fb20000000000307c20 XMM04=6eaae6231a46090b00000000000ae988 XMM05=effe7db9128367a60000000000324298 XMM06=628222da74d62038000000000031d818 XMM07=e042d86d42eb936e0000000000315500 XMM08=cee6e9d290a88fb20000000000307c20 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000