[ 39.415734] ------------[ cut here ]------------ [ 39.416714] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.418876] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.420546] Modules linked in: [ 39.421195] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.423322] Tainted: [W]=WARN [ 39.423955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.425536] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.426523] 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 [ 39.429902] RSP: 0018:ffff888010217bc0 EFLAGS: 00010286 [ 39.430928] RAX: 0000000000000000 RBX: ffffed1002042f78 RCX: ffffffff813a4050 [ 39.432301] RDX: ffff88800f13b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.433643] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002042f2f [ 39.434979] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.436333] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888010217df8 [ 39.437699] FS: 00007f82b94ef900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.439212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.440311] CR2: 00007ffde435fef7 CR3: 000000000e2bb000 CR4: 0000000000350ef0 [ 39.441649] Call Trace: [ 39.442136] [ 39.442604] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.443541] ? __create_object+0x59/0x80 [ 39.444314] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.445312] __vmalloc_noprof+0x59/0x60 [ 39.446101] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.447017] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.448025] bpf_prog_alloc+0x39/0x200 [ 39.448795] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.449780] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.450710] do_seccomp+0x349/0x25e0 [ 39.451431] ? find_held_lock+0x2b/0x80 [ 39.452228] ? do_prlimit+0x310/0x610 [ 39.453000] ? __pfx_do_seccomp+0x10/0x10 [ 39.453805] ? do_raw_spin_unlock+0x53/0x220 [ 39.454664] ? _raw_spin_unlock+0x1e/0x40 [ 39.455448] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.456441] ? static_key_count+0x60/0x80 [ 39.457277] prctl_set_seccomp+0x4e/0x70 [ 39.458084] __do_sys_prctl+0xe6c/0x1d70 [ 39.458904] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.459800] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.460803] ? irqentry_exit+0xf3/0x650 [ 39.461581] do_syscall_64+0xbf/0x430 [ 39.462301] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.463288] RIP: 0033:0x7f82b99e15cd [ 39.463998] 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 [ 39.467288] RSP: 002b:00007ffde435ddb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.468698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82b99e15cd [ 39.469998] RDX: 000055def1a70e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.471315] RBP: 00007ffde435de10 R08: 0000000000000000 R09: 00007ffde435d4b0 [ 39.472640] R10: 0000000000000000 R11: 0000000000000246 R12: 000055def981cb10 [ 39.473948] R13: 00007ffde435e240 R14: 000055def981d2b0 R15: 000055def98316f0 [ 39.475271] [ 39.475750] irq event stamp: 1803 [ 39.476370] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 39.477904] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 39.479513] softirqs last enabled at (1848): [] handle_softirqs+0x50c/0x770 [ 39.481084] softirqs last disabled at (1831): [] __irq_exit_rcu+0xc4/0x100 [ 39.482624] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.126370] ------------[ cut here ]------------ [ 42.127317] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.129373] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.130928] Modules linked in: [ 42.131601] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.133598] Tainted: [W]=WARN [ 42.134148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.135636] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.136555] 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 [ 42.139759] RSP: 0018:ffff8880102cfbc0 EFLAGS: 00010286 [ 42.140753] RAX: 0000000000000000 RBX: ffffed1002059f78 RCX: ffffffff813a4050 [ 42.142063] RDX: ffff888016460000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.143371] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002059f2f [ 42.144667] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.145943] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880102cfdf8 [ 42.147256] FS: 00007f3b232b1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.148695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.149753] CR2: 00007f3b237a3580 CR3: 000000001f434000 CR4: 0000000000350ef0 [ 42.151038] Call Trace: [ 42.151569] [ 42.151995] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.152905] ? __create_object+0x59/0x80 [ 42.153691] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.154688] __vmalloc_noprof+0x59/0x60 [ 42.155419] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.156311] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.157232] bpf_prog_alloc+0x39/0x200 [ 42.157998] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.158947] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.159875] do_seccomp+0x349/0x25e0 [ 42.160608] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.161513] ? __pfx_do_seccomp+0x10/0x10 [ 42.162269] ? find_held_lock+0x2b/0x80 [ 42.163034] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.164020] ? static_key_count+0x60/0x80 [ 42.164831] prctl_set_seccomp+0x4e/0x70 [ 42.165613] __do_sys_prctl+0xe6c/0x1d70 [ 42.166352] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.167211] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.168192] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.169179] ? irqentry_exit+0xf3/0x650 [ 42.169961] do_syscall_64+0xbf/0x430 [ 42.170717] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.171699] RIP: 0033:0x7f3b237a35cd [ 42.172365] 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 [ 42.175583] RSP: 002b:00007fff4b90ed70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.176963] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b237a35cd [ 42.178258] RDX: 00005649bf1e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.179570] RBP: 00007fff4b90edd0 R08: 0000000000000000 R09: 00007fff4b90e470 [ 42.180845] R10: 0000000000000000 R11: 0000000000000246 R12: 00005649fa28dad0 [ 42.182148] R13: 00007fff4b90f200 R14: 00005649fa28ebc0 R15: 00005649fa29f780 [ 42.183497] [ 42.183927] irq event stamp: 1801 [ 42.184579] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 42.186092] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 42.187642] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 42.189198] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 42.190731] ---[ end trace 0000000000000000 ]--- [ 42.972795] ------------[ cut here ]------------ [ 42.973728] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.975774] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 42.977243] Modules linked in: [ 42.977895] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.980151] Tainted: [W]=WARN [ 42.981237] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.982737] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.983673] 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 [ 42.986868] RSP: 0018:ffff888016097bc0 EFLAGS: 00010286 [ 42.987879] RAX: 0000000000000000 RBX: ffffed1002c12f78 RCX: ffffffff813a4050 [ 42.989170] RDX: ffff888016465340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.990491] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c12f2f [ 42.991802] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.993086] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016097df8 [ 42.994370] FS: 00007fc16911a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.995841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.996908] CR2: 00007ffdac6fcef7 CR3: 000000000cb49000 CR4: 0000000000350ef0 [ 42.998187] Call Trace: [ 42.998689] [ 42.999117] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.000018] ? __create_object+0x59/0x80 [ 43.000813] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.001780] __vmalloc_noprof+0x59/0x60 [ 43.002559] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.003414] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.004368] bpf_prog_alloc+0x39/0x200 [ 43.005099] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.006035] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.006950] do_seccomp+0x349/0x25e0 [ 43.007692] ? find_held_lock+0x2b/0x80 [ 43.008419] ? do_prlimit+0x310/0x610 [ 43.009169] ? __pfx_do_seccomp+0x10/0x10 [ 43.009967] ? do_raw_spin_unlock+0x53/0x220 [ 43.010805] ? _raw_spin_unlock+0x1e/0x40 [ 43.011615] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.012587] ? static_key_count+0x60/0x80 [ 43.013350] prctl_set_seccomp+0x4e/0x70 [ 43.014128] __do_sys_prctl+0xe6c/0x1d70 [ 43.014927] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.015816] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.016791] ? irqentry_exit+0xf3/0x650 [ 43.017564] do_syscall_64+0xbf/0x430 [ 43.018267] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.019221] RIP: 0033:0x7fc16960c5cd [ 43.019935] 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 [ 43.023148] RSP: 002b:00007ffdac6fb0b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.024531] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc16960c5cd [ 43.025833] RDX: 0000560278c6ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.027146] RBP: 00007ffdac6fb110 R08: 0000000000000000 R09: 00007ffdac6fa7b0 [ 43.028443] R10: 0000000000000000 R11: 0000000000000246 R12: 00005602a589a240 [ 43.029777] R13: 00007ffdac6fb540 R14: 00005602a58a3380 R15: 00005602a58ae540 [ 43.031082] [ 43.031570] irq event stamp: 1877 [ 43.032177] hardirqs last enabled at (1885): [] __up_console_sem+0x78/0x80 [ 43.033727] hardirqs last disabled at (1894): [] __up_console_sem+0x5d/0x80 [ 43.035274] softirqs last enabled at (1874): [] handle_softirqs+0x50c/0x770 [ 43.036845] softirqs last disabled at (1865): [] __irq_exit_rcu+0xc4/0x100 [ 43.038384] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35999' (ECDSA) to the list of known hosts. 2025/11/18 07:51:12 fuzzer started 2025/11/18 07:51:12 dialing manager at localhost:37895 2025/11/18 07:51:12 checking machine... 2025/11/18 07:51:12 checking revisions... [ 43.936184] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:51:13 testing simple program... [ 44.021738] cgroup: Unknown subsys name 'net' [ 44.070104] cgroup: Unknown subsys name 'cpuset' [ 44.082553] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:51:12 Registers: info registers vcpu 0 RAX=ffffffff87ce3608 RBX=0000000000000200 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888009612640 RDI=ffff888009611bc0 RBP=ffff888009611bc0 RSP=ffff8880096275f8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff888009612640 R15=0000000000000003 RIP=ffffffff815265b7 RFL=00000006 [-----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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f77a6e6c000 CR3=000000000de3c000 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=2031313a31353a373020383120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031313a31353a3730203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=fffffffffacb4fae RBX=ffffffff866abc6c RCX=ffffffff81360ed1 RDX=0000000000000000 RSI=ffffffff86a014d4 RDI=ffffffff866abc6c RBP=ffffffff866abc6c RSP=ffff88806cf08968 R8 =ffffffff86a014d4 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000006e2e R12=ffffffff866abc6c R13=ffffffff866abc6c R14=ffffffff866abc6c R15=dffffc0000000000 RIP=ffffffff8135dac3 RFL=00000246 [---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 00007f3b232b1900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff4b908000 CR3=000000001f453000 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