syzkaller login: [ 38.955473] ------------[ cut here ]------------ [ 38.956459] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.958564] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.960095] Modules linked in: [ 38.960703] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.962731] Tainted: [W]=WARN [ 38.963334] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.964856] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.965802] 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 [ 38.969069] RSP: 0018:ffff88801a947bc0 EFLAGS: 00010286 [ 38.970079] RAX: 0000000000000000 RBX: ffffed1003528f78 RCX: ffffffff813a4050 [ 38.971385] RDX: ffff88800f521bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.972707] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003528f2f [ 38.974021] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.975347] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a947df8 [ 38.976687] FS: 00007f9f16677900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.978144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.979224] CR2: 00007fffb6aaaef8 CR3: 000000000bc87000 CR4: 0000000000350ef0 [ 38.980549] Call Trace: [ 38.981068] [ 38.981493] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.982403] ? __create_object+0x59/0x80 [ 38.983205] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.984213] __vmalloc_noprof+0x59/0x60 [ 38.984934] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.985838] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.986789] bpf_prog_alloc+0x39/0x200 [ 38.987927] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.988861] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.989785] do_seccomp+0x349/0x25e0 [ 38.990513] ? find_held_lock+0x2b/0x80 [ 38.991283] ? do_prlimit+0x310/0x610 [ 38.992047] ? __pfx_do_seccomp+0x10/0x10 [ 38.992803] ? do_raw_spin_unlock+0x53/0x220 [ 38.993653] ? _raw_spin_unlock+0x1e/0x40 [ 38.994441] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.995412] ? static_key_count+0x60/0x80 [ 38.996237] prctl_set_seccomp+0x4e/0x70 [ 38.997031] __do_sys_prctl+0xe6c/0x1d70 [ 38.997770] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.998629] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.999612] ? irqentry_exit+0xf3/0x650 [ 39.000379] do_syscall_64+0xbf/0x430 [ 39.001141] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.002104] RIP: 0033:0x7f9f16b695cd [ 39.002760] 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 [ 39.005961] RSP: 002b:00007fffb6aa9be0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.007382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f16b695cd [ 39.008691] RDX: 000055a497603e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.009995] RBP: 00007fffb6aa9c40 R08: 0000000000000000 R09: 00007fffb6aa92e0 [ 39.011287] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a499e5c2b0 [ 39.012512] R13: 00007fffb6aaa070 R14: 000055a499e5ed20 R15: 000055a499e708d0 [ 39.013613] [ 39.013964] irq event stamp: 1739 [ 39.014502] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 39.015790] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 39.017058] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 39.018342] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 39.019604] ---[ end trace 0000000000000000 ]--- [ 41.917494] ------------[ cut here ]------------ [ 41.918308] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.920017] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.921240] Modules linked in: [ 41.921744] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.923399] Tainted: [W]=WARN [ 41.923867] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.925067] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.925788] 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 [ 41.928604] RSP: 0018:ffff88801a90fbc0 EFLAGS: 00010286 [ 41.929518] RAX: 0000000000000000 RBX: ffffed1003521f78 RCX: ffffffff813a4050 [ 41.930575] RDX: ffff88800f3ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.931675] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003521f2f [ 41.932743] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.933797] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a90fdf8 [ 41.935071] FS: 00007ff358759900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.936290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.937170] CR2: 00007fff25c33ef8 CR3: 000000000e6b7000 CR4: 0000000000350ef0 [ 41.938232] Call Trace: [ 41.938614] [ 41.938951] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.939717] ? __create_object+0x59/0x80 [ 41.940377] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.941183] __vmalloc_noprof+0x59/0x60 [ 41.941777] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.942497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.943265] bpf_prog_alloc+0x39/0x200 [ 41.943845] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.944610] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.945352] do_seccomp+0x349/0x25e0 [ 41.945910] ? find_held_lock+0x2b/0x80 [ 41.946543] ? do_prlimit+0x310/0x610 [ 41.947155] ? __pfx_do_seccomp+0x10/0x10 [ 41.947773] ? do_raw_spin_unlock+0x53/0x220 [ 41.948459] ? _raw_spin_unlock+0x1e/0x40 [ 41.949109] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.949866] ? static_key_count+0x60/0x80 [ 41.950542] prctl_set_seccomp+0x4e/0x70 [ 41.951193] __do_sys_prctl+0xe6c/0x1d70 [ 41.951810] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.952514] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.953318] ? irqentry_exit+0xf3/0x650 [ 41.953909] do_syscall_64+0xbf/0x430 [ 41.954521] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.955303] RIP: 0033:0x7ff358c4b5cd [ 41.955857] 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 [ 41.958522] RSP: 002b:00007fff25c31800 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.959659] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff358c4b5cd [ 41.960722] RDX: 000055ad7f964e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.961784] RBP: 00007fff25c31860 R08: 0000000000000000 R09: 00007fff25c30f00 [ 41.962838] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ada8c4e2b0 [ 41.963909] R13: 00007fff25c31c90 R14: 000055ada8c50d20 R15: 000055ada8c628d0 [ 41.965001] [ 41.965357] irq event stamp: 1869 [ 41.965855] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 41.967108] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 41.968385] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 41.969685] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 41.970962] ---[ end trace 0000000000000000 ]--- [ 42.718837] ------------[ cut here ]------------ [ 42.719801] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.722028] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.723718] Modules linked in: [ 42.724412] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.726477] Tainted: [W]=WARN [ 42.727108] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.728668] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.729630] 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 [ 42.732913] RSP: 0018:ffff88801ad7fbc0 EFLAGS: 00010286 [ 42.733944] RAX: 0000000000000000 RBX: ffffed10035aff78 RCX: ffffffff813a4050 [ 42.735352] RDX: ffff888017009bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.736664] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035aff2f [ 42.738014] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.739299] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ad7fdf8 [ 42.740629] FS: 00007efc6c250900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.742129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.743206] CR2: 00007efc6c7b64a6 CR3: 000000001f6c9000 CR4: 0000000000350ef0 [ 42.744550] Call Trace: [ 42.745057] [ 42.745472] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.746388] ? __create_object+0x59/0x80 [ 42.747184] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.748183] __vmalloc_noprof+0x59/0x60 [ 42.748904] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.749786] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.750741] bpf_prog_alloc+0x39/0x200 [ 42.751512] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.752455] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.753372] do_seccomp+0x349/0x25e0 [ 42.754176] ? find_held_lock+0x2b/0x80 [ 42.755198] ? do_prlimit+0x310/0x610 [ 42.756215] ? __pfx_do_seccomp+0x10/0x10 [ 42.757263] ? do_raw_spin_unlock+0x53/0x220 [ 42.758363] ? _raw_spin_unlock+0x1e/0x40 [ 42.759401] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.760525] ? static_key_count+0x60/0x80 [ 42.761378] prctl_set_seccomp+0x4e/0x70 [ 42.762229] __do_sys_prctl+0xe6c/0x1d70 [ 42.763067] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.763924] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.764947] ? irqentry_exit+0xf3/0x650 [ 42.765762] do_syscall_64+0xbf/0x430 [ 42.766550] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.767570] RIP: 0033:0x7efc6c7425cd [ 42.768327] 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 [ 42.771596] RSP: 002b:00007ffd2e7c8260 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.772553] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efc6c7425cd [ 42.773393] RDX: 0000556024519e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.774242] RBP: 00007ffd2e7c82c0 R08: 0000000000000000 R09: 00007ffd2e7c7960 [ 42.775093] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556031bb42b0 [ 42.775869] R13: 00007ffd2e7c86f0 R14: 0000556031bb6d20 R15: 0000556031bc88d0 [ 42.776589] [ 42.776820] irq event stamp: 1779 [ 42.777192] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 42.778024] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 42.778812] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 42.779670] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 42.780599] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26190' (ECDSA) to the list of known hosts. 2025/11/17 15:48:20 fuzzer started 2025/11/17 15:48:20 dialing manager at localhost:37895 2025/11/17 15:48:20 checking machine... 2025/11/17 15:48:20 checking revisions... [ 43.581925] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:48:20 testing simple program... [ 43.664414] cgroup: Unknown subsys name 'net' [ 43.771418] cgroup: Unknown subsys name 'cpuset' [ 43.795599] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:48:20 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=255630821f11977f RDX=00000000235b4fc8 RSI=0000000010e2cc00 RDI=00000000a4e8a246 RBP=ffffffff85e1ffe0 RSP=ffff888016df7610 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff8152926b RFL=00000206 [-----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 00007ff358759900 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=00007ff358738020 CR3=000000001fc15000 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=000000000001c78f 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=00000202 [-------] 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff358d10618 CR3=0000000009c2b000 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=38343a353120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303137 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000