syzkaller login: [ 38.957723] ------------[ cut here ]------------ [ 38.958624] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.960670] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.962124] Modules linked in: [ 38.962721] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.964723] Tainted: [W]=WARN [ 38.965321] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.966791] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.967719] 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 [ 38.970927] RSP: 0018:ffff888017227bc0 EFLAGS: 00010286 [ 38.971919] RAX: 0000000000000000 RBX: ffffed1002e44f78 RCX: ffffffff813a4050 [ 38.973209] RDX: ffff8880162d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.974481] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e44f2f [ 38.975779] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.977096] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017227df8 [ 38.978359] FS: 00007f810fcab900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.979830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.980877] CR2: 00007ffdee366ef7 CR3: 000000000cbe5000 CR4: 0000000000350ef0 [ 38.982162] Call Trace: [ 38.982626] [ 38.983081] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.983983] ? __create_object+0x59/0x80 [ 38.984727] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.985688] __vmalloc_noprof+0x59/0x60 [ 38.986422] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.987300] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.988217] bpf_prog_alloc+0x39/0x200 [ 38.988938] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.989800] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.990680] do_seccomp+0x349/0x25e0 [ 38.991406] ? find_held_lock+0x2b/0x80 [ 38.992151] ? do_prlimit+0x310/0x610 [ 38.992876] ? __pfx_do_seccomp+0x10/0x10 [ 38.993595] ? do_raw_spin_unlock+0x53/0x220 [ 38.994410] ? _raw_spin_unlock+0x1e/0x40 [ 38.995181] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.996140] ? static_key_count+0x60/0x80 [ 38.996927] prctl_set_seccomp+0x4e/0x70 [ 38.997639] __do_sys_prctl+0xe6c/0x1d70 [ 38.998413] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.999270] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.000232] ? irqentry_exit+0xf3/0x650 [ 39.000984] do_syscall_64+0xbf/0x430 [ 39.001667] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.002601] RIP: 0033:0x7f811019d5cd [ 39.003302] 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 [ 39.006389] RSP: 002b:00007ffdee364eb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.007738] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f811019d5cd [ 39.009009] RDX: 000055d2eaefae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.010267] RBP: 00007ffdee364f10 R08: 0000000000000000 R09: 00007ffdee3645b0 [ 39.011547] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d323a6b2b0 [ 39.012795] R13: 00007ffdee365340 R14: 000055d323a6dd20 R15: 000055d323a7f8d0 [ 39.014083] [ 39.014502] irq event stamp: 1715 [ 39.015174] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 39.016674] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 39.018178] softirqs last enabled at (1588): [] handle_softirqs+0x50c/0x770 [ 39.019724] softirqs last disabled at (1583): [] __irq_exit_rcu+0xc4/0x100 [ 39.021235] ---[ end trace 0000000000000000 ]--- [ 42.241720] ------------[ cut here ]------------ [ 42.242685] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.244678] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.246149] Modules linked in: [ 42.246734] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.249019] Tainted: [W]=WARN [ 42.249592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.251170] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.252098] 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 [ 42.255294] RSP: 0018:ffff88800f9f7bc0 EFLAGS: 00010286 [ 42.256286] RAX: 0000000000000000 RBX: ffffed1001f3ef78 RCX: ffffffff813a4050 [ 42.257595] RDX: ffff88800fc53780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.258879] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f3ef2f [ 42.260193] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.261486] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f9f7df8 [ 42.262792] FS: 00007fab9f4c6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.264296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.265353] CR2: 00007fab9f9b8580 CR3: 000000000cd21000 CR4: 0000000000350ef0 [ 42.266662] Call Trace: [ 42.267207] [ 42.267620] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.268520] ? __create_object+0x59/0x80 [ 42.269315] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.270289] __vmalloc_noprof+0x59/0x60 [ 42.271081] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.271975] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.272914] bpf_prog_alloc+0x39/0x200 [ 42.273621] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.274562] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.275500] do_seccomp+0x349/0x25e0 [ 42.276217] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.277151] ? __pfx_do_seccomp+0x10/0x10 [ 42.277969] ? find_held_lock+0x2b/0x80 [ 42.278688] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.279685] ? static_key_count+0x60/0x80 [ 42.280496] prctl_set_seccomp+0x4e/0x70 [ 42.281276] __do_sys_prctl+0xe6c/0x1d70 [ 42.282080] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.282952] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.283956] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.284949] ? irqentry_exit+0xf3/0x650 [ 42.285697] do_syscall_64+0xbf/0x430 [ 42.286436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.287412] RIP: 0033:0x7fab9f9b85cd [ 42.288119] 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 [ 42.291316] RSP: 002b:00007ffcf256e710 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.292694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab9f9b85cd [ 42.293992] RDX: 0000563392872e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.295325] RBP: 00007ffcf256e770 R08: 0000000000000000 R09: 00007ffcf256de10 [ 42.296631] R10: 0000000000000000 R11: 0000000000000246 R12: 000056339d5c5bf0 [ 42.297926] R13: 00007ffcf256eba0 R14: 000056339d5cf380 R15: 000056339d5da460 [ 42.299267] [ 42.299686] irq event stamp: 1817 [ 42.300365] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 42.301890] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 42.303438] softirqs last enabled at (1806): [] handle_softirqs+0x50c/0x770 [ 42.304991] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 42.306530] ---[ end trace 0000000000000000 ]--- [ 43.104937] ------------[ cut here ]------------ [ 43.105688] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.107346] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.108549] Modules linked in: [ 43.109076] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.110703] Tainted: [W]=WARN [ 43.111205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.112408] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.113155] 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 [ 43.115876] RSP: 0018:ffff88801b48fbc0 EFLAGS: 00010286 [ 43.116676] RAX: 0000000000000000 RBX: ffffed1003691f78 RCX: ffffffff813a4050 [ 43.117740] RDX: ffff88800fb98000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.118788] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003691f2f [ 43.119874] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.120940] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b48fdf8 [ 43.121995] FS: 00007f9a40ccf900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.123194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.124082] CR2: 00007ffd8bd50ef7 CR3: 000000000ce54000 CR4: 0000000000350ef0 [ 43.125149] Call Trace: [ 43.125532] [ 43.125919] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.126623] ? __create_object+0x59/0x80 [ 43.127291] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.128089] __vmalloc_noprof+0x59/0x60 [ 43.128680] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.129400] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.130159] bpf_prog_alloc+0x39/0x200 [ 43.130735] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.131514] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.132263] do_seccomp+0x349/0x25e0 [ 43.132854] ? find_held_lock+0x2b/0x80 [ 43.133445] ? do_prlimit+0x310/0x610 [ 43.134055] ? __pfx_do_seccomp+0x10/0x10 [ 43.134668] ? do_raw_spin_unlock+0x53/0x220 [ 43.135369] ? _raw_spin_unlock+0x1e/0x40 [ 43.136013] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.136775] ? static_key_count+0x60/0x80 [ 43.137442] prctl_set_seccomp+0x4e/0x70 [ 43.138081] __do_sys_prctl+0xe6c/0x1d70 [ 43.138689] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.139407] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.140201] ? irqentry_exit+0xf3/0x650 [ 43.140792] do_syscall_64+0xbf/0x430 [ 43.141402] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.142188] RIP: 0033:0x7f9a411c15cd [ 43.142745] 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 [ 43.145376] RSP: 002b:00007ffd8bd4ef60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.146505] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a411c15cd [ 43.147588] RDX: 000055ff295a2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.148665] RBP: 00007ffd8bd4efc0 R08: 0000000000000000 R09: 00007ffd8bd4e660 [ 43.149725] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ff458caad0 [ 43.150781] R13: 00007ffd8bd4f3f0 R14: 000055ff458cbbc0 R15: 000055ff458dc780 [ 43.151892] [ 43.152242] irq event stamp: 1705 [ 43.152744] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 43.154003] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 43.155280] softirqs last enabled at (1268): [] handle_softirqs+0x50c/0x770 [ 43.156564] softirqs last disabled at (1261): [] __irq_exit_rcu+0xc4/0x100 [ 43.157826] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59560' (ECDSA) to the list of known hosts. 2025/11/18 14:02:53 fuzzer started 2025/11/18 14:02:53 dialing manager at localhost:34383 2025/11/18 14:02:53 checking machine... 2025/11/18 14:02:53 checking revisions... [ 44.033098] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:02:53 testing simple program... [ 44.114077] cgroup: Unknown subsys name 'net' [ 44.171324] cgroup: Unknown subsys name 'cpuset' [ 44.184301] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:02:53 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000002800 RDX=0000000000000001 RSI=0000000000092800 RDI=ffff888008c4b780 RBP=ffff88800cacfa60 RSP=ffff88800cacf988 R8 =ffff888008c4b780 R9 =0000000000000000 R10=ffff88800cacf998 R11=0000000000000000 R12=ffff88800c6390c0 R13=0000000000000020 R14=0000000000000001 R15=ffff888008c41780 RIP=ffffffff81ab1581 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 00007fab9f4c6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fab9f4a5020 CR3=000000000e4ae000 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=0000000000024471 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8171a573f0 CR3=000000000dd4b000 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=e4e2dfa6fb11dd8f3241dfe13cf4676b XMM02=0000000000305470eff9b2d0a8fce9cb XMM03=00000000003055402c67c8bc2e329bc3 XMM04=0989d8104a153ea100000000000ae988 XMM05=d96330e2d2db86320000000000322398 XMM06=474038aa6c007e1f0000000000322220 XMM07=e042d86d42eb936e0000000000312ab8 XMM08=cd36f170bff995380000000000305540 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000