syzkaller login: [ 38.956386] ------------[ cut here ]------------ [ 38.957326] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.959252] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.960720] Modules linked in: [ 38.961297] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.963241] Tainted: [W]=WARN [ 38.963847] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.965286] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.966210] 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 [ 38.969293] RSP: 0018:ffff888019897bc0 EFLAGS: 00010286 [ 38.970245] RAX: 0000000000000000 RBX: ffffed1003312f78 RCX: ffffffff813a4050 [ 38.971506] RDX: ffff888016725340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.972751] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003312f2f [ 38.974010] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.975270] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019897df8 [ 38.976529] FS: 00007f01f4f43900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.977933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.978978] CR2: 00007f01f5435580 CR3: 000000001746c000 CR4: 0000000000350ef0 [ 38.980221] Call Trace: [ 38.980717] [ 38.981127] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.982026] ? __create_object+0x59/0x80 [ 38.982787] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.983746] __vmalloc_noprof+0x59/0x60 [ 38.984489] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.985285] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.986210] bpf_prog_alloc+0x39/0x200 [ 38.986945] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.987861] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.988762] do_seccomp+0x349/0x25e0 [ 38.989455] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.990296] ? __pfx_do_seccomp+0x10/0x10 [ 38.991126] ? find_held_lock+0x2b/0x80 [ 38.991872] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.992812] ? static_key_count+0x60/0x80 [ 38.993642] prctl_set_seccomp+0x4e/0x70 [ 38.994380] __do_sys_prctl+0xe6c/0x1d70 [ 38.995158] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.996010] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.996975] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.997933] ? irqentry_exit+0xf3/0x650 [ 38.998706] do_syscall_64+0xbf/0x430 [ 38.999391] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.000337] RIP: 0033:0x7f01f54355cd [ 39.001048] 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 [ 39.004176] RSP: 002b:00007ffe1cd20940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.005524] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f01f54355cd [ 39.006834] RDX: 0000564250390e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.008271] RBP: 00007ffe1cd209a0 R08: 0000000000000000 R09: 00007ffe1cd20040 [ 39.009809] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564285149bf0 [ 39.011179] R13: 00007ffe1cd20dd0 R14: 0000564285153380 R15: 000056428515e460 [ 39.012492] [ 39.012916] irq event stamp: 2997 [ 39.013572] hardirqs last enabled at (3007): [] __up_console_sem+0x78/0x80 [ 39.015119] hardirqs last disabled at (3016): [] __up_console_sem+0x5d/0x80 [ 39.016814] softirqs last enabled at (2966): [] handle_softirqs+0x50c/0x770 [ 39.018433] softirqs last disabled at (2961): [] __irq_exit_rcu+0xc4/0x100 [ 39.020008] ---[ end trace 0000000000000000 ]--- [ 42.558231] ------------[ cut here ]------------ [ 42.558791] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.559851] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.560557] Modules linked in: [ 42.560846] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.561789] Tainted: [W]=WARN [ 42.562062] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.562768] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.563185] 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 [ 42.564714] RSP: 0018:ffff888016b97bc0 EFLAGS: 00010286 [ 42.565169] RAX: 0000000000000000 RBX: ffffed1002d72f78 RCX: ffffffff813a4050 [ 42.565790] RDX: ffff88801ce23780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.566418] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d72f2f [ 42.567011] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.567621] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b97df8 [ 42.568215] FS: 00007fbdd97c7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.568906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.569425] CR2: 00007ffef4276ef8 CR3: 000000000e3b4000 CR4: 0000000000350ef0 [ 42.570035] Call Trace: [ 42.570256] [ 42.570472] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.570891] ? __create_object+0x59/0x80 [ 42.571243] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.571711] __vmalloc_noprof+0x59/0x60 [ 42.572055] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.572473] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.572898] bpf_prog_alloc+0x39/0x200 [ 42.573229] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.573674] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.574104] do_seccomp+0x349/0x25e0 [ 42.574445] ? find_held_lock+0x2b/0x80 [ 42.574791] ? do_prlimit+0x310/0x610 [ 42.575124] ? __pfx_do_seccomp+0x10/0x10 [ 42.575508] ? do_raw_spin_unlock+0x53/0x220 [ 42.575889] ? _raw_spin_unlock+0x1e/0x40 [ 42.576242] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.576708] ? static_key_count+0x60/0x80 [ 42.577071] prctl_set_seccomp+0x4e/0x70 [ 42.577447] __do_sys_prctl+0xe6c/0x1d70 [ 42.577801] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.578196] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.578662] ? irqentry_exit+0xf3/0x650 [ 42.579008] do_syscall_64+0xbf/0x430 [ 42.579336] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.579800] RIP: 0033:0x7fbdd9cb95cd [ 42.580117] 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 [ 42.581649] RSP: 002b:00007ffef42758c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.582289] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdd9cb95cd [ 42.582900] RDX: 000055a6e56bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.583519] RBP: 00007ffef4275920 R08: 0000000000000000 R09: 00007ffef4274fc0 [ 42.584107] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a70d5d52b0 [ 42.584720] R13: 00007ffef4275d50 R14: 000055a70d5d7d20 R15: 000055a70d5e98d0 [ 42.585317] [ 42.585548] irq event stamp: 2065 [ 42.585839] hardirqs last enabled at (2073): [] __up_console_sem+0x78/0x80 [ 42.586573] hardirqs last disabled at (2082): [] __up_console_sem+0x5d/0x80 [ 42.587277] softirqs last enabled at (2062): [] handle_softirqs+0x50c/0x770 [ 42.588017] softirqs last disabled at (2057): [] __irq_exit_rcu+0xc4/0x100 [ 42.588740] ---[ end trace 0000000000000000 ]--- [ 43.203807] ------------[ cut here ]------------ [ 43.204771] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.206756] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.208208] Modules linked in: [ 43.208892] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.210904] Tainted: [W]=WARN [ 43.211508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.212992] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.213913] 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 [ 43.217108] RSP: 0018:ffff8880175cfbc0 EFLAGS: 00010286 [ 43.218112] RAX: 0000000000000000 RBX: ffffed1002eb9f78 RCX: ffffffff813a4050 [ 43.219427] RDX: ffff88801ce21bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.220726] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb9f2f [ 43.222013] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.223317] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175cfdf8 [ 43.224621] FS: 00007ffa5ea6c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.226068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.227153] CR2: 00007ffa5efd24a6 CR3: 000000000bbf4000 CR4: 0000000000350ef0 [ 43.228462] Call Trace: [ 43.228923] [ 43.229331] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.230244] ? __create_object+0x59/0x80 [ 43.231024] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.232011] __vmalloc_noprof+0x59/0x60 [ 43.232783] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.233665] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.234618] bpf_prog_alloc+0x39/0x200 [ 43.235318] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.236251] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.237154] do_seccomp+0x349/0x25e0 [ 43.237883] ? find_held_lock+0x2b/0x80 [ 43.238664] ? do_prlimit+0x310/0x610 [ 43.239365] ? __pfx_do_seccomp+0x10/0x10 [ 43.240155] ? do_raw_spin_unlock+0x53/0x220 [ 43.240992] ? _raw_spin_unlock+0x1e/0x40 [ 43.241777] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.242778] ? static_key_count+0x60/0x80 [ 43.243606] prctl_set_seccomp+0x4e/0x70 [ 43.244332] __do_sys_prctl+0xe6c/0x1d70 [ 43.245123] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.245992] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.246973] ? irqentry_exit+0xf3/0x650 [ 43.247764] do_syscall_64+0xbf/0x430 [ 43.248514] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.249488] RIP: 0033:0x7ffa5ef5e5cd [ 43.250155] 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 [ 43.253315] RSP: 002b:00007ffd2b7330f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.254696] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa5ef5e5cd [ 43.255979] RDX: 00005602c3097e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.257273] RBP: 00007ffd2b733150 R08: 0000000000000000 R09: 00007ffd2b7327f0 [ 43.258576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560300fcdad0 [ 43.259860] R13: 00007ffd2b733580 R14: 0000560300fcebc0 R15: 0000560300fdf780 [ 43.261149] [ 43.261611] irq event stamp: 1825 [ 43.262234] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 43.263761] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 43.265290] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 43.266850] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 43.268383] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51409' (ECDSA) to the list of known hosts. 2025/11/18 09:20:16 fuzzer started 2025/11/18 09:20:16 dialing manager at localhost:34383 2025/11/18 09:20:16 checking machine... 2025/11/18 09:20:16 checking revisions... [ 44.108840] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:20:17 testing simple program... [ 44.190826] cgroup: Unknown subsys name 'net' [ 44.248082] cgroup: Unknown subsys name 'cpuset' [ 44.260891] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:20:16 Registers: info registers vcpu 0 RAX=ffff8880120a08c0 RBX=0000000000000000 RCX=ffffffff8152d723 RDX=ffff8880115884c8 RSI=0000000000000000 RDI=ffff88801d0758f8 RBP=ffff88801d0758f8 RSP=ffff88806ce08dc8 R8 =0000000000000001 R9 =ffffed100d9c11aa R10=0000000000000003 R11=0000000000000001 R12=ffff8880120a4ad0 R13=0000000000000246 R14=ffff88801d0758f8 R15=ffff888009462280 RIP=ffffffff81b61af4 RFL=00000082 [--S----] 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 00007fbdd97c7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbdd97a6020 CR3=000000001779b000 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=ffffffff86a26153 RBX=0000000000000001 RCX=ffffffff86a26150 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff86a26152 RBP=ffff88806cf08ac8 RSP=ffff88806cf08a00 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=000000000000cff8 R12=ffff88806cf08ad0 R13=ffff88806cf08ab8 R14=ffff8880096eff28 R15=ffff88806cf08a70 RIP=ffffffff8135fae7 RFL=00000293 [--S-A-C] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff565bae88 CR3=0000000016e1d000 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=2035313a30323a393020383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035313a30323a3930203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000