syzkaller login: [ 39.001685] ------------[ cut here ]------------ [ 39.002620] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.004635] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.006099] Modules linked in: [ 39.006740] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.008994] Tainted: [W]=WARN [ 39.009671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.011181] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.012095] 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 [ 39.015338] RSP: 0018:ffff888016317bc0 EFLAGS: 00010286 [ 39.016332] RAX: 0000000000000000 RBX: ffffed1002c62f78 RCX: ffffffff813a4050 [ 39.017632] RDX: ffff888016120000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.018919] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c62f2f [ 39.020214] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.021492] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016317df8 [ 39.022774] FS: 00007f9a15177900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.024272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.025329] CR2: 00007ffdc4451ef8 CR3: 000000000e843000 CR4: 0000000000350ef0 [ 39.026633] Call Trace: [ 39.027108] [ 39.027577] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.028473] ? __create_object+0x59/0x80 [ 39.029254] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.030237] __vmalloc_noprof+0x59/0x60 [ 39.030947] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.031816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.032773] bpf_prog_alloc+0x39/0x200 [ 39.033524] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.034458] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.035359] do_seccomp+0x349/0x25e0 [ 39.036041] ? find_held_lock+0x2b/0x80 [ 39.036863] ? do_prlimit+0x310/0x610 [ 39.037613] ? __pfx_do_seccomp+0x10/0x10 [ 39.038427] ? do_raw_spin_unlock+0x53/0x220 [ 39.039270] ? _raw_spin_unlock+0x1e/0x40 [ 39.040016] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.041009] ? static_key_count+0x60/0x80 [ 39.041814] prctl_set_seccomp+0x4e/0x70 [ 39.042590] __do_sys_prctl+0xe6c/0x1d70 [ 39.043379] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.044262] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.045243] ? irqentry_exit+0xf3/0x650 [ 39.045986] do_syscall_64+0xbf/0x430 [ 39.046737] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.047695] RIP: 0033:0x7f9a156695cd [ 39.048416] 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 [ 39.051599] RSP: 002b:00007ffdc4450570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.053002] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a156695cd [ 39.054307] RDX: 000055d04b4a6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.055607] RBP: 00007ffdc44505d0 R08: 0000000000000000 R09: 00007ffdc444fc70 [ 39.056911] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d050b89bf0 [ 39.058188] R13: 00007ffdc4450a00 R14: 000055d050b93380 R15: 000055d050b9e460 [ 39.059505] [ 39.059929] irq event stamp: 1773 [ 39.060597] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 39.062159] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 39.063683] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 39.065262] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 39.066790] ---[ end trace 0000000000000000 ]--- [ 42.336197] ------------[ cut here ]------------ [ 42.337074] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.339068] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.340797] Modules linked in: [ 42.341502] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.343597] Tainted: [W]=WARN [ 42.344217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.345683] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.346667] 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 [ 42.350365] RSP: 0018:ffff88801a12fbc0 EFLAGS: 00010286 [ 42.351486] RAX: 0000000000000000 RBX: ffffed1003425f78 RCX: ffffffff813a4050 [ 42.352847] RDX: ffff88801a2db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.354258] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003425f2f [ 42.355788] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.357293] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a12fdf8 [ 42.358742] FS: 00007f52a57f7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.360419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.361560] CR2: 00007ffd3b818ef8 CR3: 000000000e275000 CR4: 0000000000350ef0 [ 42.362947] Call Trace: [ 42.363547] [ 42.364036] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.365031] ? __create_object+0x59/0x80 [ 42.365834] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.366950] __vmalloc_noprof+0x59/0x60 [ 42.367845] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.368816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.369938] bpf_prog_alloc+0x39/0x200 [ 42.370841] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.371993] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.373064] do_seccomp+0x349/0x25e0 [ 42.373843] ? find_held_lock+0x2b/0x80 [ 42.374652] ? do_prlimit+0x310/0x610 [ 42.375451] ? __pfx_do_seccomp+0x10/0x10 [ 42.376346] ? do_raw_spin_unlock+0x53/0x220 [ 42.377258] ? _raw_spin_unlock+0x1e/0x40 [ 42.378032] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.379056] ? static_key_count+0x60/0x80 [ 42.379922] prctl_set_seccomp+0x4e/0x70 [ 42.380772] __do_sys_prctl+0xe6c/0x1d70 [ 42.381612] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.382529] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.383559] ? irqentry_exit+0xf3/0x650 [ 42.384388] do_syscall_64+0xbf/0x430 [ 42.385197] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.386208] RIP: 0033:0x7f52a5ce95cd [ 42.386923] 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 [ 42.390239] RSP: 002b:00007ffd3b817250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.391677] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52a5ce95cd [ 42.393055] RDX: 000055f3293e3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.394401] RBP: 00007ffd3b8172b0 R08: 0000000000000000 R09: 00007ffd3b816950 [ 42.395763] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f34e95eb10 [ 42.397165] R13: 00007ffd3b8176e0 R14: 000055f34e95f2b0 R15: 000055f34e9736f0 [ 42.398538] [ 42.398981] irq event stamp: 1733 [ 42.399677] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.401306] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.402920] softirqs last enabled at (1538): [] handle_softirqs+0x50c/0x770 [ 42.404574] softirqs last disabled at (1533): [] __irq_exit_rcu+0xc4/0x100 [ 42.405906] ---[ end trace 0000000000000000 ]--- [ 43.249813] ------------[ cut here ]------------ [ 43.250587] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.252276] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.253471] Modules linked in: [ 43.253945] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.255793] Tainted: [W]=WARN [ 43.256392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.257583] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.258329] 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 [ 43.260980] RSP: 0018:ffff888016167bc0 EFLAGS: 00010286 [ 43.261769] RAX: 0000000000000000 RBX: ffffed1002c2cf78 RCX: ffffffff813a4050 [ 43.262835] RDX: ffff888014359bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.263879] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2cf2f [ 43.264940] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.265972] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016167df8 [ 43.267021] FS: 00007effd488a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.268189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.268994] CR2: 00007fff1ef37ef8 CR3: 000000000cd3e000 CR4: 0000000000350ef0 [ 43.270004] Call Trace: [ 43.270402] [ 43.270729] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.271439] ? __create_object+0x59/0x80 [ 43.272024] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.272794] __vmalloc_noprof+0x59/0x60 [ 43.273387] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.274040] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.274779] bpf_prog_alloc+0x39/0x200 [ 43.275359] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.276055] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.276789] do_seccomp+0x349/0x25e0 [ 43.277363] ? find_held_lock+0x2b/0x80 [ 43.277935] ? do_prlimit+0x310/0x610 [ 43.278530] ? __pfx_do_seccomp+0x10/0x10 [ 43.279115] ? do_raw_spin_unlock+0x53/0x220 [ 43.279766] ? _raw_spin_unlock+0x1e/0x40 [ 43.280399] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.281126] ? static_key_count+0x60/0x80 [ 43.281765] prctl_set_seccomp+0x4e/0x70 [ 43.282365] __do_sys_prctl+0xe6c/0x1d70 [ 43.282949] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.283628] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.284408] ? irqentry_exit+0xf3/0x650 [ 43.284985] do_syscall_64+0xbf/0x430 [ 43.285571] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.286327] RIP: 0033:0x7effd4d7c5cd [ 43.286848] 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 [ 43.289385] RSP: 002b:00007fff1ef36780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.290467] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007effd4d7c5cd [ 43.291487] RDX: 0000556d9fccae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.292515] RBP: 00007fff1ef367e0 R08: 0000000000000000 R09: 00007fff1ef35e80 [ 43.293544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556dc2d0c240 [ 43.294546] R13: 00007fff1ef36c10 R14: 0000556dc2d15380 R15: 0000556dc2d20540 [ 43.295579] [ 43.295914] irq event stamp: 1839 [ 43.296448] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 43.297648] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 43.298850] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 43.300069] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 43.301298] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33316' (ECDSA) to the list of known hosts. 2025/11/19 06:15:20 fuzzer started 2025/11/19 06:15:20 dialing manager at localhost:34383 2025/11/19 06:15:20 checking machine... 2025/11/19 06:15:20 checking revisions... [ 44.156379] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:15:21 testing simple program... [ 44.254307] cgroup: Unknown subsys name 'net' [ 44.305091] cgroup: Unknown subsys name 'cpuset' [ 44.316976] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:15:20 Registers: info registers vcpu 0 RAX=0000000000000031 RBX=0000000000000010 RCX=ffffffff82304e0c RDX=0000000000000000 RSI=ffffffff822f6d8d RDI=ffff88800f628808 RBP=ffff88800f628808 RSP=ffff888014327a28 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000010 R11=0000000000000001 R12=ffff888014327bf8 R13=ffff88800f6c00d8 R14=0000000000000001 R15=dffffc0000000000 RIP=ffffffff81751e08 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 00007f52a57f7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f52a5daf0b0 CR3=0000000020d2b000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=fffffbfff0cc9f0a RBX=fffffbfff0cc9f0b RCX=ffffffff817d9b06 RDX=fffffbfff0cc9f0b RSI=0000000000000008 RDI=ffffffff8664f850 RBP=fffffbfff0cc9f0a RSP=ffff88806cf08d88 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=ffffffff8664f857 R11=0000000000000000 R12=0000000000000200 R13=ffff888012fb3020 R14=ffffea0000596680 R15=ffff88801659b600 RIP=ffffffff81b2d1d1 RFL=00000046 [---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 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=00007fdf00091298 CR3=0000000020e6c000 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=756e696c2d34365f3638782f62696c2f XMM01=2e6f747079726362696c2f756e672d78 XMM02=00312e312e6f732e6f74707972636269 XMM03=6c2f756e672d78756e696c2d34365f36 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000