syzkaller login: [ 45.206732] ------------[ cut here ]------------ [ 45.207679] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.209720] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 45.211418] Modules linked in: [ 45.212007] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.214387] Tainted: [W]=WARN [ 45.214932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.216401] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.217288] 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 [ 45.220491] RSP: 0018:ffff8880163d7bc0 EFLAGS: 00010286 [ 45.221474] RAX: 0000000000000000 RBX: ffffed1002c7af78 RCX: ffffffff813a4050 [ 45.222748] RDX: ffff8880165c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.224030] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c7af2f [ 45.225345] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.226615] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163d7df8 [ 45.227881] FS: 00007fec761b7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.229511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.230700] CR2: 00007ffd51847ef8 CR3: 000000000bc9b000 CR4: 0000000000350ef0 [ 45.232107] Call Trace: [ 45.232667] [ 45.233097] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.234044] ? __create_object+0x59/0x80 [ 45.234848] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.235824] __vmalloc_noprof+0x59/0x60 [ 45.236601] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.237492] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.238430] bpf_prog_alloc+0x39/0x200 [ 45.239118] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.240054] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.240960] do_seccomp+0x349/0x25e0 [ 45.241666] ? find_held_lock+0x2b/0x80 [ 45.242419] ? do_prlimit+0x310/0x610 [ 45.243092] ? __pfx_do_seccomp+0x10/0x10 [ 45.243841] ? do_raw_spin_unlock+0x53/0x220 [ 45.244667] ? _raw_spin_unlock+0x1e/0x40 [ 45.245475] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.246438] ? static_key_count+0x60/0x80 [ 45.247192] prctl_set_seccomp+0x4e/0x70 [ 45.247972] __do_sys_prctl+0xe6c/0x1d70 [ 45.248767] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.249627] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.250612] ? irqentry_exit+0xf3/0x650 [ 45.251361] do_syscall_64+0xbf/0x430 [ 45.252044] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.252987] RIP: 0033:0x7fec766a95cd [ 45.253680] 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 [ 45.256951] RSP: 002b:00007ffd51846d30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.258420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec766a95cd [ 45.259789] RDX: 00005599578dce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.261180] RBP: 00007ffd51846d90 R08: 0000000000000000 R09: 00007ffd51846430 [ 45.262569] R10: 0000000000000000 R11: 0000000000000246 R12: 000055996df4c2b0 [ 45.263939] R13: 00007ffd518471c0 R14: 000055996df4ed20 R15: 000055996df608d0 [ 45.265379] [ 45.265826] irq event stamp: 1853 [ 45.266515] hardirqs last enabled at (1863): [] __up_console_sem+0x78/0x80 [ 45.268117] hardirqs last disabled at (1872): [] __up_console_sem+0x5d/0x80 [ 45.269731] softirqs last enabled at (1822): [] handle_softirqs+0x50c/0x770 [ 45.271395] softirqs last disabled at (1817): [] __irq_exit_rcu+0xc4/0x100 [ 45.273038] ---[ end trace 0000000000000000 ]--- [ 48.279915] ------------[ cut here ]------------ [ 48.280894] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.282913] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 48.284436] Modules linked in: [ 48.285057] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.287037] Tainted: [W]=WARN [ 48.287638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.289147] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.290075] 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 [ 48.293328] RSP: 0018:ffff8880167ffbc0 EFLAGS: 00010286 [ 48.294256] RAX: 0000000000000000 RBX: ffffed1002cfff78 RCX: ffffffff813a4050 [ 48.295555] RDX: ffff888016429bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.296853] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cfff2f [ 48.298134] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.299422] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167ffdf8 [ 48.300721] FS: 00007f441447d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.302154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.303226] CR2: 00007ffe78378ef8 CR3: 000000001fed2000 CR4: 0000000000350ef0 [ 48.304531] Call Trace: [ 48.305019] [ 48.305493] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.306425] ? __create_object+0x59/0x80 [ 48.307169] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.308153] __vmalloc_noprof+0x59/0x60 [ 48.308942] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.309831] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.310766] bpf_prog_alloc+0x39/0x200 [ 48.311531] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.312471] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.313409] do_seccomp+0x349/0x25e0 [ 48.314102] ? find_held_lock+0x2b/0x80 [ 48.314876] ? do_prlimit+0x310/0x610 [ 48.315632] ? __pfx_do_seccomp+0x10/0x10 [ 48.316433] ? do_raw_spin_unlock+0x53/0x220 [ 48.317238] ? _raw_spin_unlock+0x1e/0x40 [ 48.318024] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.318998] ? static_key_count+0x60/0x80 [ 48.319807] prctl_set_seccomp+0x4e/0x70 [ 48.320604] __do_sys_prctl+0xe6c/0x1d70 [ 48.321413] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.322235] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.323221] ? irqentry_exit+0xf3/0x650 [ 48.323987] do_syscall_64+0xbf/0x430 [ 48.324743] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.325709] RIP: 0033:0x7f441496f5cd [ 48.326417] 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 [ 48.329617] RSP: 002b:00007ffe78377470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.330977] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f441496f5cd [ 48.332268] RDX: 000055d3d4ca0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.333564] RBP: 00007ffe783774d0 R08: 0000000000000000 R09: 00007ffe78376b70 [ 48.334861] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d3f9309b10 [ 48.336144] R13: 00007ffe78377900 R14: 000055d3f930a2b0 R15: 000055d3f931e6f0 [ 48.337494] [ 48.337934] irq event stamp: 1749 [ 48.338597] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 48.340123] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 48.341651] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 48.343208] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 48.344727] ---[ end trace 0000000000000000 ]--- [ 49.104704] ------------[ cut here ]------------ [ 49.105641] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.107676] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.109124] Modules linked in: [ 49.109756] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.111724] Tainted: [W]=WARN [ 49.112274] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.113989] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.114968] 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 [ 49.118178] RSP: 0018:ffff888017937bc0 EFLAGS: 00010286 [ 49.119160] RAX: 0000000000000000 RBX: ffffed1002f26f78 RCX: ffffffff813a4050 [ 49.120431] RDX: ffff888009ddb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.121737] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f26f2f [ 49.123010] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.124281] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017937df8 [ 49.125580] FS: 00007ff8a5a35900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.127002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.128067] CR2: 00007ff8a5f27580 CR3: 000000001cfa5000 CR4: 0000000000350ef0 [ 49.129360] Call Trace: [ 49.129825] [ 49.130226] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.131114] ? __create_object+0x59/0x80 [ 49.131883] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.132862] __vmalloc_noprof+0x59/0x60 [ 49.133627] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.134502] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.135431] bpf_prog_alloc+0x39/0x200 [ 49.136137] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.137062] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.137971] do_seccomp+0x349/0x25e0 [ 49.138693] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.139600] ? __pfx_do_seccomp+0x10/0x10 [ 49.140399] ? find_held_lock+0x2b/0x80 [ 49.141130] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.142088] ? static_key_count+0x60/0x80 [ 49.142873] prctl_set_seccomp+0x4e/0x70 [ 49.143647] __do_sys_prctl+0xe6c/0x1d70 [ 49.144428] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.145252] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.146210] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.147159] ? irqentry_exit+0xf3/0x650 [ 49.147922] do_syscall_64+0xbf/0x430 [ 49.148658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.149622] RIP: 0033:0x7ff8a5f275cd [ 49.150285] 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 [ 49.153491] RSP: 002b:00007fff1eb44b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.154846] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8a5f275cd [ 49.156113] RDX: 000055c2425c2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.157405] RBP: 00007fff1eb44bb0 R08: 0000000000000000 R09: 00007fff1eb44250 [ 49.158688] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c26e45fad0 [ 49.159968] R13: 00007fff1eb44fe0 R14: 000055c26e460bc0 R15: 000055c26e471780 [ 49.161267] [ 49.161726] irq event stamp: 1867 [ 49.162390] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 49.163918] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 49.165484] softirqs last enabled at (1900): [] handle_softirqs+0x50c/0x770 [ 49.167031] softirqs last disabled at (1895): [] __irq_exit_rcu+0xc4/0x100 [ 49.168544] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31748' (ECDSA) to the list of known hosts. 2025/11/17 11:20:42 fuzzer started 2025/11/17 11:20:42 dialing manager at localhost:37895 2025/11/17 11:20:42 checking machine... 2025/11/17 11:20:42 checking revisions... [ 50.078986] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:20:42 testing simple program... [ 50.171937] cgroup: Unknown subsys name 'net' [ 50.223239] cgroup: Unknown subsys name 'cpuset' [ 50.242078] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:20:41 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffff88801012b780 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801012c1d8 RSP=ffff88806ce088c0 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801012c228 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270c5 RFL=00000056 [---ZAP-] 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 00007f441447d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe78371000 CR3=000000001ff23000 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=6720646572637465733a4d41503d706f 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=00000000000214ff 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe0f86ba48 CR3=000000000e177000 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=d3019719692b4ea95c42cfcf1bfd05da XMM02=0000000000303f98ec2efd57dc4c00df XMM03=00000000003105c0621c6b6161bb02a4 XMM04=8a27c571fbd2a66100000000000ae988 XMM05=d96330e2d2db86320000000000320678 XMM06=474038aa6c007e1f0000000000320500 XMM07=e042d86d42eb936e0000000000310840 XMM08=621c6b6161bb02a40000000000303ff8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000