syzkaller login: [ 46.152737] ------------[ cut here ]------------ [ 46.153661] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.155712] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.157404] Modules linked in: [ 46.158150] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.160265] Tainted: [W]=WARN [ 46.160895] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.162498] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.163441] 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 [ 46.166651] RSP: 0018:ffff88801997fbc0 EFLAGS: 00010286 [ 46.167655] RAX: 0000000000000000 RBX: ffffed100332ff78 RCX: ffffffff813a4050 [ 46.168934] RDX: ffff88800987b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.170233] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100332ff2f [ 46.171526] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.172836] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801997fdf8 [ 46.174149] FS: 00007fa7381a2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.175589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.176648] CR2: 00007fa738694580 CR3: 000000000b8b8000 CR4: 0000000000350ef0 [ 46.177984] Call Trace: [ 46.178452] [ 46.178903] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.179813] ? __create_object+0x59/0x80 [ 46.180641] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.181641] __vmalloc_noprof+0x59/0x60 [ 46.182386] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.183255] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.184201] bpf_prog_alloc+0x39/0x200 [ 46.184937] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.185892] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.186793] do_seccomp+0x349/0x25e0 [ 46.187453] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.188356] ? __pfx_do_seccomp+0x10/0x10 [ 46.189145] ? find_held_lock+0x2b/0x80 [ 46.189943] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.190913] ? static_key_count+0x60/0x80 [ 46.191711] prctl_set_seccomp+0x4e/0x70 [ 46.192436] __do_sys_prctl+0xe6c/0x1d70 [ 46.193218] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.194105] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.195071] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.196044] ? irqentry_exit+0xf3/0x650 [ 46.196856] do_syscall_64+0xbf/0x430 [ 46.197607] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.198604] RIP: 0033:0x7fa7386945cd [ 46.199264] 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 [ 46.202442] RSP: 002b:00007ffe9a75b0d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.203806] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7386945cd [ 46.205087] RDX: 000055b47ee5ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.206408] RBP: 00007ffe9a75b130 R08: 0000000000000000 R09: 00007ffe9a75a7d0 [ 46.207686] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b4b0820ad0 [ 46.208968] R13: 00007ffe9a75b560 R14: 000055b4b0821bc0 R15: 000055b4b0832780 [ 46.210306] [ 46.210773] irq event stamp: 1785 [ 46.211368] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 46.212889] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 46.214441] softirqs last enabled at (1308): [] handle_softirqs+0x50c/0x770 [ 46.215990] softirqs last disabled at (1821): [] __irq_exit_rcu+0xc4/0x100 [ 46.217519] ---[ end trace 0000000000000000 ]--- [ 49.448728] ------------[ cut here ]------------ [ 49.449642] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.451659] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.453087] Modules linked in: [ 49.453721] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.455663] Tainted: [W]=WARN [ 49.456209] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.457630] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.458501] 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 [ 49.461586] RSP: 0018:ffff88801723fbc0 EFLAGS: 00010286 [ 49.462511] RAX: 0000000000000000 RBX: ffffed1002e47f78 RCX: ffffffff813a4050 [ 49.463816] RDX: ffff888016275340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.465082] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e47f2f [ 49.466353] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.467624] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801723fdf8 [ 49.468881] FS: 00007f82cdd5b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.470296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.471331] CR2: 00007ffd3ebafef8 CR3: 000000000d73e000 CR4: 0000000000350ef0 [ 49.472591] Call Trace: [ 49.473039] [ 49.473435] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.474334] ? __create_object+0x59/0x80 [ 49.475104] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.476043] __vmalloc_noprof+0x59/0x60 [ 49.476782] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.477652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.478526] bpf_prog_alloc+0x39/0x200 [ 49.479258] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.480175] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.481062] do_seccomp+0x349/0x25e0 [ 49.481786] ? find_held_lock+0x2b/0x80 [ 49.482485] ? do_prlimit+0x310/0x610 [ 49.483210] ? __pfx_do_seccomp+0x10/0x10 [ 49.483974] ? do_raw_spin_unlock+0x53/0x220 [ 49.484798] ? _raw_spin_unlock+0x1e/0x40 [ 49.485526] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.486485] ? static_key_count+0x60/0x80 [ 49.487277] prctl_set_seccomp+0x4e/0x70 [ 49.488037] __do_sys_prctl+0xe6c/0x1d70 [ 49.488811] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.489646] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.490611] ? irqentry_exit+0xf3/0x650 [ 49.491310] do_syscall_64+0xbf/0x430 [ 49.492034] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.492968] RIP: 0033:0x7f82ce24d5cd [ 49.493651] 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 [ 49.496764] RSP: 002b:00007ffd3ebae380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.498102] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82ce24d5cd [ 49.499355] RDX: 000056020ed97e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.500618] RBP: 00007ffd3ebae3e0 R08: 0000000000000000 R09: 00007ffd3ebada80 [ 49.501884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560230d2f2b0 [ 49.503139] R13: 00007ffd3ebae810 R14: 0000560230d31d20 R15: 0000560230d438d0 [ 49.504427] [ 49.504874] irq event stamp: 1737 [ 49.505475] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 49.506981] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 49.508463] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 49.509982] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 49.511465] ---[ end trace 0000000000000000 ]--- [ 50.318970] ------------[ cut here ]------------ [ 50.319914] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.321924] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.323418] Modules linked in: [ 50.324062] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.326299] Tainted: [W]=WARN [ 50.326974] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.328452] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.329382] 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 [ 50.332589] RSP: 0018:ffff888017ce7bc0 EFLAGS: 00010286 [ 50.333595] RAX: 0000000000000000 RBX: ffffed1002f9cf78 RCX: ffffffff813a4050 [ 50.334917] RDX: ffff888013e7d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.336210] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f9cf2f [ 50.337499] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.338807] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017ce7df8 [ 50.340111] FS: 00007fee10322900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.341573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.342664] CR2: 00007fee10814580 CR3: 00000000201b1000 CR4: 0000000000350ef0 [ 50.343967] Call Trace: [ 50.344437] [ 50.344888] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.345795] ? __create_object+0x59/0x80 [ 50.346597] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.347532] __vmalloc_noprof+0x59/0x60 [ 50.348319] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.349204] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.350149] bpf_prog_alloc+0x39/0x200 [ 50.350891] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.351831] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.352749] do_seccomp+0x349/0x25e0 [ 50.353430] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.354347] ? __pfx_do_seccomp+0x10/0x10 [ 50.355140] ? find_held_lock+0x2b/0x80 [ 50.355921] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.356897] ? static_key_count+0x60/0x80 [ 50.357706] prctl_set_seccomp+0x4e/0x70 [ 50.358441] __do_sys_prctl+0xe6c/0x1d70 [ 50.359229] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.360084] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.361051] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.362050] ? irqentry_exit+0xf3/0x650 [ 50.362814] do_syscall_64+0xbf/0x430 [ 50.363520] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.364515] RIP: 0033:0x7fee108145cd [ 50.365249] 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 [ 50.368450] RSP: 002b:00007fffaddaf360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.369842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fee108145cd [ 50.371133] RDX: 0000561719654e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.372416] RBP: 00007fffaddaf3c0 R08: 0000000000000000 R09: 00007fffaddaea60 [ 50.373710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561724703ad0 [ 50.375023] R13: 00007fffaddaf7f0 R14: 0000561724704bc0 R15: 0000561724715780 [ 50.376338] [ 50.376800] irq event stamp: 1761 [ 50.377421] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 50.378985] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 50.380532] softirqs last enabled at (1296): [] handle_softirqs+0x50c/0x770 [ 50.382111] softirqs last disabled at (1275): [] __irq_exit_rcu+0xc4/0x100 [ 50.383645] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54085' (ECDSA) to the list of known hosts. 2025/11/18 09:10:18 fuzzer started 2025/11/18 09:10:18 dialing manager at localhost:34383 2025/11/18 09:10:18 checking machine... 2025/11/18 09:10:18 checking revisions... [ 51.284037] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:10:18 testing simple program... [ 51.369534] cgroup: Unknown subsys name 'net' [ 51.428342] cgroup: Unknown subsys name 'cpuset' [ 51.445978] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:10:17 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=00007f82ce8f5e07 RCX=1ffffffff0cc9790 RDX=0000000000000000 RSI=ffffffff812099b0 RDI=00007f82ce8f5e07 RBP=00007f82ce8f5e07 RSP=ffff888016a7f3a0 R8 =ffffffff869d8196 R9 =0000000000000000 R10=00007f82ce8f5000 R11=0000000000000003 R12=ffff888016a7f4b8 R13=0000000000000000 R14=ffff88800f35d340 R15=ffff88800944c3c0 RIP=ffffffff8160e1b6 RFL=00000202 [-------] 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 00007f82cdd5b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f82cdd3a020 CR3=0000000020064000 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=dffffc0000000000 RBX=0000000000000002 RCX=ffffffff86a01694 RDX=0000000000000008 RSI=ffff88806cf08a40 RDI=ffff88806cf08a70 RBP=ffff88806cf08ac8 RSP=ffff88806cf089a8 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000006e2e R12=ffff88806cf08ad0 R13=ffff88806cf08ab8 R14=ffff88806cf08a40 R15=ffff88806cf08a70 RIP=ffffffff8135e21a RFL=00000283 [--S---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 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f57e4712000 CR3=000000000a238000 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=7b2e5f281111a19b8d4870bcd616f2de XMM02=0000000000306cb0eff9b2d0a8fce9cb XMM03=0000000000306d802c67c8bc2e329bc3 XMM04=a3119a0049e8c2c800000000000ae988 XMM05=090f1556b20111b30000000000322550 XMM06=5b75c91c8044534200000000003223d8 XMM07=e042d86d42eb936e00000000003141a8 XMM08=93bfa44e0b9c00970000000000306d80 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000