syzkaller login: [ 45.896902] ------------[ cut here ]------------ [ 45.897948] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.900157] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.901721] Modules linked in: [ 45.902375] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.904836] Tainted: [W]=WARN [ 45.905429] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.907452] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.908408] 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 [ 45.911810] RSP: 0018:ffff888015f3fbc0 EFLAGS: 00010286 [ 45.912862] RAX: 0000000000000000 RBX: ffffed1002be7f78 RCX: ffffffff813a4050 [ 45.914254] RDX: ffff88800eff9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.915628] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002be7f2f [ 45.917010] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.918397] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f3fdf8 [ 45.919763] FS: 00007feb78a7d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.921311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.922442] CR2: 00007ffcfad48ef7 CR3: 000000000e298000 CR4: 0000000000350ef0 [ 45.923818] Call Trace: [ 45.924309] [ 45.924797] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.925752] ? __create_object+0x59/0x80 [ 45.926585] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.927619] __vmalloc_noprof+0x59/0x60 [ 45.928384] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.929313] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.930313] bpf_prog_alloc+0x39/0x200 [ 45.931093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.932075] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.933036] do_seccomp+0x349/0x25e0 [ 45.933809] ? find_held_lock+0x2b/0x80 [ 45.934639] ? do_prlimit+0x310/0x610 [ 45.935393] ? __pfx_do_seccomp+0x10/0x10 [ 45.936224] ? do_raw_spin_unlock+0x53/0x220 [ 45.937115] ? _raw_spin_unlock+0x1e/0x40 [ 45.937997] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.939105] ? static_key_count+0x60/0x80 [ 45.940005] prctl_set_seccomp+0x4e/0x70 [ 45.940872] __do_sys_prctl+0xe6c/0x1d70 [ 45.941754] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.942747] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.943844] ? irqentry_exit+0xf3/0x650 [ 45.944711] do_syscall_64+0xbf/0x430 [ 45.945541] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.946630] RIP: 0033:0x7feb78f6f5cd [ 45.947370] 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 [ 45.950925] RSP: 002b:00007ffcfad47ea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.952463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb78f6f5cd [ 45.953921] RDX: 000055e36a2e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.955369] RBP: 00007ffcfad47f00 R08: 0000000000000000 R09: 00007ffcfad475a0 [ 45.956813] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e36e86ead0 [ 45.958287] R13: 00007ffcfad48330 R14: 000055e36e86fbc0 R15: 000055e36e880780 [ 45.959754] [ 45.960225] irq event stamp: 1885 [ 45.960941] hardirqs last enabled at (1895): [] __up_console_sem+0x78/0x80 [ 45.962602] hardirqs last disabled at (1904): [] __up_console_sem+0x5d/0x80 [ 45.964120] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 45.965546] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 45.966941] ---[ end trace 0000000000000000 ]--- [ 49.112213] ------------[ cut here ]------------ [ 49.112985] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.114716] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.115935] Modules linked in: [ 49.116453] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.118194] Tainted: [W]=WARN [ 49.118715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.119957] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.120733] 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 [ 49.123387] RSP: 0018:ffff88801cd87bc0 EFLAGS: 00010286 [ 49.124199] RAX: 0000000000000000 RBX: ffffed10039b0f78 RCX: ffffffff813a4050 [ 49.125274] RDX: ffff88800f645340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.126358] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10039b0f2f [ 49.127436] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.128510] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801cd87df8 [ 49.129585] FS: 00007f4064ca6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.130796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.131686] CR2: 00007f4065198580 CR3: 000000000f59d000 CR4: 0000000000350ef0 [ 49.132755] Call Trace: [ 49.133143] [ 49.133524] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.134235] ? __create_object+0x59/0x80 [ 49.134895] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.135702] __vmalloc_noprof+0x59/0x60 [ 49.136293] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.137034] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.137806] bpf_prog_alloc+0x39/0x200 [ 49.138390] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.139161] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.139914] do_seccomp+0x349/0x25e0 [ 49.140474] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.141222] ? __pfx_do_seccomp+0x10/0x10 [ 49.141874] ? find_held_lock+0x2b/0x80 [ 49.142482] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.143280] ? static_key_count+0x60/0x80 [ 49.143949] prctl_set_seccomp+0x4e/0x70 [ 49.144589] __do_sys_prctl+0xe6c/0x1d70 [ 49.145208] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.145925] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.146740] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.147556] ? irqentry_exit+0xf3/0x650 [ 49.148167] do_syscall_64+0xbf/0x430 [ 49.148798] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.149602] RIP: 0033:0x7f40651985cd [ 49.150156] 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 [ 49.152855] RSP: 002b:00007ffc0d679040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.154007] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40651985cd [ 49.155090] RDX: 000055c088a7ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.156183] RBP: 00007ffc0d6790a0 R08: 0000000000000000 R09: 00007ffc0d678740 [ 49.157257] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c0c2af52b0 [ 49.158349] R13: 00007ffc0d6794d0 R14: 000055c0c2af7d20 R15: 000055c0c2b098d0 [ 49.159456] [ 49.159835] irq event stamp: 1767 [ 49.160340] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 49.161625] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 49.162916] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 49.164226] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 49.165543] ---[ end trace 0000000000000000 ]--- [ 50.042907] ------------[ cut here ]------------ [ 50.043834] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.045876] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.047348] Modules linked in: [ 50.048007] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.050006] Tainted: [W]=WARN [ 50.050890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.052456] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.053363] 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 [ 50.056548] RSP: 0018:ffff88801cd47bc0 EFLAGS: 00010286 [ 50.057554] RAX: 0000000000000000 RBX: ffffed10039a8f78 RCX: ffffffff813a4050 [ 50.058870] RDX: ffff888019c71bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.060159] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10039a8f2f [ 50.061455] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.062782] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801cd47df8 [ 50.064077] FS: 00007f33b0da0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.065531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.066618] CR2: 00007ffd5b6d7ef7 CR3: 000000001fd7f000 CR4: 0000000000350ef0 [ 50.067911] Call Trace: [ 50.068379] [ 50.068826] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.069740] ? __create_object+0x59/0x80 [ 50.070540] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.071474] __vmalloc_noprof+0x59/0x60 [ 50.072251] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.073133] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.074077] bpf_prog_alloc+0x39/0x200 [ 50.074828] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.075770] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.076686] do_seccomp+0x349/0x25e0 [ 50.077368] ? find_held_lock+0x2b/0x80 [ 50.078135] ? do_prlimit+0x310/0x610 [ 50.078890] ? __pfx_do_seccomp+0x10/0x10 [ 50.079673] ? do_raw_spin_unlock+0x53/0x220 [ 50.080468] ? _raw_spin_unlock+0x1e/0x40 [ 50.081267] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.082241] ? static_key_count+0x60/0x80 [ 50.083065] prctl_set_seccomp+0x4e/0x70 [ 50.083848] __do_sys_prctl+0xe6c/0x1d70 [ 50.084646] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.085475] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.086471] ? irqentry_exit+0xf3/0x650 [ 50.087250] do_syscall_64+0xbf/0x430 [ 50.087997] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.088971] RIP: 0033:0x7f33b12925cd [ 50.089676] 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 [ 50.092877] RSP: 002b:00007ffd5b6d5980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.094251] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f33b12925cd [ 50.095565] RDX: 000056035a03ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.096855] RBP: 00007ffd5b6d59e0 R08: 0000000000000000 R09: 00007ffd5b6d5080 [ 50.098142] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560386776ad0 [ 50.099448] R13: 00007ffd5b6d5e10 R14: 0000560386777bc0 R15: 0000560386788780 [ 50.100767] [ 50.101197] irq event stamp: 1855 [ 50.101854] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 50.103404] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 50.104940] softirqs last enabled at (1390): [] handle_softirqs+0x50c/0x770 [ 50.106526] softirqs last disabled at (1367): [] __irq_exit_rcu+0xc4/0x100 [ 50.107909] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5158' (ECDSA) to the list of known hosts. 2025/11/17 19:21:28 fuzzer started 2025/11/17 19:21:28 dialing manager at localhost:37895 2025/11/17 19:21:28 checking machine... 2025/11/17 19:21:28 checking revisions... [ 51.058265] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:21:28 testing simple program... [ 51.162006] cgroup: Unknown subsys name 'net' [ 51.233582] cgroup: Unknown subsys name 'cpuset' [ 51.248690] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:21:27 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=ffff888016ed7f10 RCX=0000000000000001 RDX=ffff888016ed8001 RSI=ffff888016ed7ee8 RDI=ffff88806ce08a40 RBP=ffff888016ed0000 RSP=ffff88806ce089b8 R8 =0000000000000001 R9 =ffff88806ce08a70 R10=000000000003c9ed R11=0000000000027440 R12=ffff88806ce08a01 R13=ffff88806ce08a78 R14=ffff888016ed7ee8 R15=ffff88806ce08a30 RIP=ffffffff84c7219a RFL=00000212 [----A--] 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 00007f4064ca6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc0d673000 CR3=000000000e0b3000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88801587b780 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801587c1d8 RSP=ffff888015b1f418 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801587c1d8 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff8152707f 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 00007f3fbc0eb900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff78337838 CR3=000000000e116000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=5fec17762f8ba27800000000000ae988 XMM05=04df374e7b8c081600000000003210c8 XMM06=d96330e2d2db8632000000000031f840 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000