syzkaller login: [ 45.456883] ------------[ cut here ]------------ [ 45.457898] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.460187] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 45.461852] Modules linked in: [ 45.462858] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.465588] Tainted: [W]=WARN [ 45.466242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.467976] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.469039] 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 [ 45.472752] RSP: 0018:ffff88801ba77bc0 EFLAGS: 00010286 [ 45.473889] RAX: 0000000000000000 RBX: ffffed100374ef78 RCX: ffffffff813a4050 [ 45.475375] RDX: ffff888016a2b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.476890] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100374ef2f [ 45.478383] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.479911] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ba77df8 [ 45.481398] FS: 00007fb14a771900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.483073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.484335] CR2: 00007fb14ac63580 CR3: 000000000cd6f000 CR4: 0000000000350ef0 [ 45.485840] Call Trace: [ 45.486369] [ 45.486899] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.487964] ? __create_object+0x59/0x80 [ 45.488892] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.490014] __vmalloc_noprof+0x59/0x60 [ 45.490891] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.491930] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.493026] bpf_prog_alloc+0x39/0x200 [ 45.493888] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.494978] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.496008] do_seccomp+0x349/0x25e0 [ 45.496729] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.497626] ? __pfx_do_seccomp+0x10/0x10 [ 45.498366] ? find_held_lock+0x2b/0x80 [ 45.499124] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.500109] ? static_key_count+0x60/0x80 [ 45.500906] prctl_set_seccomp+0x4e/0x70 [ 45.501674] __do_sys_prctl+0xe6c/0x1d70 [ 45.502402] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.503249] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.504204] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.505162] ? irqentry_exit+0xf3/0x650 [ 45.505924] do_syscall_64+0xbf/0x430 [ 45.506644] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.507586] RIP: 0033:0x7fb14ac635cd [ 45.508269] 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 [ 45.511374] RSP: 002b:00007fff7abed1a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.512728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb14ac635cd [ 45.513999] RDX: 0000555e3395ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.515260] RBP: 00007fff7abed200 R08: 0000000000000000 R09: 00007fff7abec8a0 [ 45.516550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555e5f4cead0 [ 45.517847] R13: 00007fff7abed630 R14: 0000555e5f4cfbc0 R15: 0000555e5f4e0780 [ 45.519147] [ 45.519605] irq event stamp: 1979 [ 45.520221] hardirqs last enabled at (1987): [] __up_console_sem+0x78/0x80 [ 45.521732] hardirqs last disabled at (1996): [] __up_console_sem+0x5d/0x80 [ 45.523238] softirqs last enabled at (1946): [] handle_softirqs+0x50c/0x770 [ 45.524760] softirqs last disabled at (1929): [] __irq_exit_rcu+0xc4/0x100 [ 45.525990] ---[ end trace 0000000000000000 ]--- [ 48.807623] ------------[ cut here ]------------ [ 48.808546] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.810557] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 48.812204] Modules linked in: [ 48.813286] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.815296] Tainted: [W]=WARN [ 48.815903] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.817372] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.818288] 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 [ 48.821501] RSP: 0018:ffff88801ba97bc0 EFLAGS: 00010286 [ 48.822436] RAX: 0000000000000000 RBX: ffffed1003752f78 RCX: ffffffff813a4050 [ 48.823770] RDX: ffff888016840000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.825040] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003752f2f [ 48.826315] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.827597] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ba97df8 [ 48.828906] FS: 00007ff76c9ce900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.830325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.831374] CR2: 00007fffa1634ef7 CR3: 00000000205d1000 CR4: 0000000000350ef0 [ 48.832665] Call Trace: [ 48.833138] [ 48.833592] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.834430] ? __create_object+0x59/0x80 [ 48.835213] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.836169] __vmalloc_noprof+0x59/0x60 [ 48.836911] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.837771] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.838686] bpf_prog_alloc+0x39/0x200 [ 48.839370] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.840301] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.841209] do_seccomp+0x349/0x25e0 [ 48.841914] ? find_held_lock+0x2b/0x80 [ 48.842665] ? do_prlimit+0x310/0x610 [ 48.843354] ? __pfx_do_seccomp+0x10/0x10 [ 48.844133] ? do_raw_spin_unlock+0x53/0x220 [ 48.844949] ? _raw_spin_unlock+0x1e/0x40 [ 48.845730] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.846679] ? static_key_count+0x60/0x80 [ 48.847420] prctl_set_seccomp+0x4e/0x70 [ 48.848216] __do_sys_prctl+0xe6c/0x1d70 [ 48.849001] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.849839] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.850797] ? irqentry_exit+0xf3/0x650 [ 48.851532] do_syscall_64+0xbf/0x430 [ 48.852225] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.853161] RIP: 0033:0x7ff76cec05cd [ 48.853852] 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 [ 48.856997] RSP: 002b:00007fffa1632360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.858339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff76cec05cd [ 48.859618] RDX: 000056131870be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.860920] RBP: 00007fffa16323c0 R08: 0000000000000000 R09: 00007fffa1631a60 [ 48.862209] R10: 0000000000000000 R11: 0000000000000246 R12: 000056133cfe0ad0 [ 48.863495] R13: 00007fffa16327f0 R14: 000056133cfe1bc0 R15: 000056133cff2780 [ 48.864808] [ 48.865234] irq event stamp: 1857 [ 48.865893] hardirqs last enabled at (1867): [] __up_console_sem+0x78/0x80 [ 48.867429] hardirqs last disabled at (1876): [] __up_console_sem+0x5d/0x80 [ 48.868993] softirqs last enabled at (1846): [] handle_softirqs+0x50c/0x770 [ 48.870511] softirqs last disabled at (1841): [] __irq_exit_rcu+0xc4/0x100 [ 48.872034] ---[ end trace 0000000000000000 ]--- [ 49.659100] ------------[ cut here ]------------ [ 49.660024] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.662051] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.663501] Modules linked in: [ 49.664116] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.666102] Tainted: [W]=WARN [ 49.666684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.668192] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.669103] 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 [ 49.672289] RSP: 0018:ffff88801b577bc0 EFLAGS: 00010286 [ 49.673271] RAX: 0000000000000000 RBX: ffffed10036aef78 RCX: ffffffff813a4050 [ 49.674545] RDX: ffff888016a35340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.675832] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036aef2f [ 49.677117] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.678413] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b577df8 [ 49.679720] FS: 00007f4889ed5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.681140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.682204] CR2: 00007f488a3c7580 CR3: 000000000ce8c000 CR4: 0000000000350ef0 [ 49.683480] Call Trace: [ 49.683958] [ 49.684366] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.685272] ? __create_object+0x59/0x80 [ 49.686065] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.687040] __vmalloc_noprof+0x59/0x60 [ 49.687805] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.688675] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.689614] bpf_prog_alloc+0x39/0x200 [ 49.690304] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.691223] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.692144] do_seccomp+0x349/0x25e0 [ 49.692861] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.693768] ? __pfx_do_seccomp+0x10/0x10 [ 49.694555] ? find_held_lock+0x2b/0x80 [ 49.695264] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.696239] ? static_key_count+0x60/0x80 [ 49.697042] prctl_set_seccomp+0x4e/0x70 [ 49.697820] __do_sys_prctl+0xe6c/0x1d70 [ 49.698601] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.699422] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.700388] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.701347] ? irqentry_exit+0xf3/0x650 [ 49.702105] do_syscall_64+0xbf/0x430 [ 49.702831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.703783] RIP: 0033:0x7f488a3c75cd [ 49.704433] 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 [ 49.707569] RSP: 002b:00007ffcd9194380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.708911] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f488a3c75cd [ 49.710180] RDX: 0000560f43c6ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.711451] RBP: 00007ffcd91943e0 R08: 0000000000000000 R09: 00007ffcd9193a80 [ 49.712759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f71f3cad0 [ 49.714038] R13: 00007ffcd9194810 R14: 0000560f71f3dbc0 R15: 0000560f71f4e780 [ 49.715331] [ 49.715837] irq event stamp: 1771 [ 49.716443] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 49.718015] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 49.719549] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 49.721120] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 49.722633] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28473' (ECDSA) to the list of known hosts. 2025/11/18 14:27:13 fuzzer started 2025/11/18 14:27:13 dialing manager at localhost:34383 2025/11/18 14:27:13 checking machine... 2025/11/18 14:27:13 checking revisions... [ 50.639912] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:27:13 testing simple program... [ 50.711964] cgroup: Unknown subsys name 'net' [ 50.779643] cgroup: Unknown subsys name 'cpuset' [ 50.794912] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:27:12 Registers: info registers vcpu 0 RAX=ffff88800b7f7501 RBX=ffff88800b7f7520 RCX=ffffffff86a49dcc RDX=ffff88800b7f8001 RSI=0000000000000000 RDI=ffff88800b7f73f8 RBP=ffff88800b7f0000 RSP=ffff88800b7f7378 R8 =ffffffff86a49dd0 R9 =ffff88800b7f7428 R10=000000000003c9ed R11=0000000000012f5f R12=ffff88800b7f7401 R13=ffff88800b7f7430 R14=ffff88800b7f7520 R15=ffff88800b7f73e8 RIP=ffffffff8135fbfc 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 00007ff76c9ce900 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=00007ff76c9ad020 CR3=00000000205df000 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=0000000000000002 RBX=0000000000000001 RCX=ffffffff869fa41c RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88806cf08ac8 RSP=ffff88806cf08a00 R8 =ffffffff869fa420 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000005b1a R12=ffff88806cf08ad0 R13=ffff88806cf08ab8 R14=ffff8880096eff58 R15=ffff88806cf08a70 RIP=ffffffff8135ef74 RFL=00000246 [---Z-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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff7b1d3478 CR3=000000000dbfd000 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=37323a343120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343132 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000