syzkaller login: [ 46.870852] ------------[ cut here ]------------ [ 46.871770] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.873800] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 46.875264] Modules linked in: [ 46.875857] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.878133] Tainted: [W]=WARN [ 46.878711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.880271] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.881197] 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 [ 46.884381] RSP: 0018:ffff888019767bc0 EFLAGS: 00010286 [ 46.885361] RAX: 0000000000000000 RBX: ffffed10032ecf78 RCX: ffffffff813a4050 [ 46.886650] RDX: ffff888017198000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.887946] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032ecf2f [ 46.889203] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.890483] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019767df8 [ 46.891752] FS: 00007f5000977900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.893207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.894268] CR2: 00007ffdb0c30ef7 CR3: 000000000c65f000 CR4: 0000000000350ef0 [ 46.895572] Call Trace: [ 46.896078] [ 46.896497] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.897417] ? __create_object+0x59/0x80 [ 46.898197] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.899178] __vmalloc_noprof+0x59/0x60 [ 46.899899] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.900771] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.901709] bpf_prog_alloc+0x39/0x200 [ 46.902458] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.903394] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.904306] do_seccomp+0x349/0x25e0 [ 46.905014] ? find_held_lock+0x2b/0x80 [ 46.905743] ? do_prlimit+0x310/0x610 [ 46.906514] ? __pfx_do_seccomp+0x10/0x10 [ 46.907298] ? do_raw_spin_unlock+0x53/0x220 [ 46.908143] ? _raw_spin_unlock+0x1e/0x40 [ 46.908897] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.909886] ? static_key_count+0x60/0x80 [ 46.910716] prctl_set_seccomp+0x4e/0x70 [ 46.911509] __do_sys_prctl+0xe6c/0x1d70 [ 46.912295] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.913155] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.914129] ? irqentry_exit+0xf3/0x650 [ 46.914874] do_syscall_64+0xbf/0x430 [ 46.915626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.916564] RIP: 0033:0x7f5000e695cd [ 46.917273] 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 [ 46.920449] RSP: 002b:00007ffdb0c2e280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.921811] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5000e695cd [ 46.923109] RDX: 000055c993640e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.924399] RBP: 00007ffdb0c2e2e0 R08: 0000000000000000 R09: 00007ffdb0c2d980 [ 46.925678] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c9a6ea8bf0 [ 46.926972] R13: 00007ffdb0c2e710 R14: 000055c9a6eb2380 R15: 000055c9a6ebd460 [ 46.928255] [ 46.928680] irq event stamp: 1811 [ 46.929324] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 46.930886] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 46.932430] softirqs last enabled at (1358): [] handle_softirqs+0x50c/0x770 [ 46.933988] softirqs last disabled at (1353): [] __irq_exit_rcu+0xc4/0x100 [ 46.935512] ---[ end trace 0000000000000000 ]--- [ 50.156855] ------------[ cut here ]------------ [ 50.157813] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.159910] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 50.162780] Modules linked in: [ 50.163459] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.165532] Tainted: [W]=WARN [ 50.166165] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.167696] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.168647] 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 [ 50.171948] RSP: 0018:ffff888015cc7bc0 EFLAGS: 00010286 [ 50.172911] RAX: 0000000000000000 RBX: ffffed1002b98f78 RCX: ffffffff813a4050 [ 50.174310] RDX: ffff88801957b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.175646] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b98f2f [ 50.176981] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.178341] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cc7df8 [ 50.179693] FS: 00007fa2fd1b6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.181176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.182303] CR2: 00007fa2fd6a8580 CR3: 000000001ef8c000 CR4: 0000000000350ef0 [ 50.183636] Call Trace: [ 50.184170] [ 50.184596] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.185538] ? __create_object+0x59/0x80 [ 50.186381] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.187384] __vmalloc_noprof+0x59/0x60 [ 50.188188] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.189086] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.190066] bpf_prog_alloc+0x39/0x200 [ 50.190817] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.191813] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.192737] do_seccomp+0x349/0x25e0 [ 50.193448] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.194362] ? __pfx_do_seccomp+0x10/0x10 [ 50.195160] ? find_held_lock+0x2b/0x80 [ 50.195890] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.196858] ? static_key_count+0x60/0x80 [ 50.197672] prctl_set_seccomp+0x4e/0x70 [ 50.198459] __do_sys_prctl+0xe6c/0x1d70 [ 50.199246] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.200112] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.201103] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.202074] ? irqentry_exit+0xf3/0x650 [ 50.202811] do_syscall_64+0xbf/0x430 [ 50.203549] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.204518] RIP: 0033:0x7fa2fd6a85cd [ 50.205220] 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 [ 50.208405] RSP: 002b:00007ffecf9c3e90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.209769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2fd6a85cd [ 50.211085] RDX: 0000564cbe980e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.212386] RBP: 00007ffecf9c3ef0 R08: 0000000000000000 R09: 00007ffecf9c3590 [ 50.213678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564cc5abfad0 [ 50.214987] R13: 00007ffecf9c4320 R14: 0000564cc5ac0bc0 R15: 0000564cc5ad1780 [ 50.216294] [ 50.216716] irq event stamp: 2023 [ 50.217364] hardirqs last enabled at (2033): [] __up_console_sem+0x78/0x80 [ 50.218900] hardirqs last disabled at (2042): [] __up_console_sem+0x5d/0x80 [ 50.220867] softirqs last enabled at (1992): [] handle_softirqs+0x50c/0x770 [ 50.222717] softirqs last disabled at (1987): [] __irq_exit_rcu+0xc4/0x100 [ 50.223731] ---[ end trace 0000000000000000 ]--- [ 50.959601] ------------[ cut here ]------------ [ 50.960169] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.961404] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.962292] Modules linked in: [ 50.962655] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.963841] Tainted: [W]=WARN [ 50.964198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.965077] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.965600] 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 [ 50.967530] RSP: 0018:ffff8880172e7bc0 EFLAGS: 00010286 [ 50.968118] RAX: 0000000000000000 RBX: ffffed1002e5cf78 RCX: ffffffff813a4050 [ 50.968858] RDX: ffff88801960b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.969648] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5cf2f [ 50.970444] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.971224] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172e7df8 [ 50.971995] FS: 00007f1cd47b8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.972841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.973480] CR2: 00007ffd65886ef7 CR3: 000000000e6e9000 CR4: 0000000000350ef0 [ 50.974262] Call Trace: [ 50.974556] [ 50.974805] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.975347] ? __create_object+0x59/0x80 [ 50.975789] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.976381] __vmalloc_noprof+0x59/0x60 [ 50.976816] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.977344] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.977884] bpf_prog_alloc+0x39/0x200 [ 50.978328] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.978866] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.979409] do_seccomp+0x349/0x25e0 [ 50.979815] ? find_held_lock+0x2b/0x80 [ 50.980263] ? do_prlimit+0x310/0x610 [ 50.980686] ? __pfx_do_seccomp+0x10/0x10 [ 50.981151] ? do_raw_spin_unlock+0x53/0x220 [ 50.981624] ? _raw_spin_unlock+0x1e/0x40 [ 50.982095] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.982659] ? static_key_count+0x60/0x80 [ 50.983148] prctl_set_seccomp+0x4e/0x70 [ 50.983596] __do_sys_prctl+0xe6c/0x1d70 [ 50.984065] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.984556] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.985139] ? irqentry_exit+0xf3/0x650 [ 50.985571] do_syscall_64+0xbf/0x430 [ 50.986009] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.986564] RIP: 0033:0x7f1cd4caa5cd [ 50.986986] 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 [ 50.988892] RSP: 002b:00007ffd658854c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.989714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1cd4caa5cd [ 50.990492] RDX: 000056551bfbae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.991255] RBP: 00007ffd65885520 R08: 0000000000000000 R09: 00007ffd65884bc0 [ 50.992023] R10: 0000000000000000 R11: 0000000000000246 R12: 00005655543beb10 [ 50.992763] R13: 00007ffd65885950 R14: 00005655543bf2b0 R15: 00005655543d36f0 [ 50.993540] [ 50.993796] irq event stamp: 1677 [ 50.994183] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 50.995103] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 50.996024] softirqs last enabled at (1196): [] handle_softirqs+0x50c/0x770 [ 50.996948] softirqs last disabled at (1187): [] __irq_exit_rcu+0xc4/0x100 [ 50.997834] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27850' (ECDSA) to the list of known hosts. 2025/11/17 17:11:05 fuzzer started 2025/11/17 17:11:06 dialing manager at localhost:37895 2025/11/17 17:11:06 checking machine... 2025/11/17 17:11:06 checking revisions... [ 51.879702] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:11:06 testing simple program... [ 51.961455] cgroup: Unknown subsys name 'net' [ 52.033548] cgroup: Unknown subsys name 'cpuset' [ 52.050918] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:11:05 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000001 RCX=ffffffff86ab8c36 RDX=0000000000000008 RSI=ffff888009627b30 RDI=ffff8880096277d0 RBP=ffff888009627828 RSP=ffff888009627758 R8 =ffffffff86ab8c3a R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025767 R12=ffff888009627830 R13=ffff888009627818 R14=ffff888009627b38 R15=ffff8880096277d0 RIP=ffffffff8135e210 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa2fd185008 CR3=000000001efd5000 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=0000000000030987 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffee9577e8 CR3=0000000009bcd000 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=dd5cf6038b313a9f494737ceb35a9082 XMM02=0000000000302a70ec2efd57dc4c00df XMM03=000000000030e498eb551bfa17a2449b XMM04=d5fa166647a5d7ce00000000000ae988 XMM05=a0e7f569e6e29c15000000000031ec20 XMM06=d74844bf967d85ba000000000031e2a8 XMM07=e042d86d42eb936e000000000030e770 XMM08=eb551bfa17a2449b0000000000302ad0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000