[ 39.023921] ------------[ cut here ]------------ [ 39.024346] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.025272] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.025967] Modules linked in: [ 39.026243] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.027166] Tainted: [W]=WARN [ 39.027423] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.028111] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.028536] 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 [ 39.030009] RSP: 0018:ffff888015c3fbc0 EFLAGS: 00010286 [ 39.030445] RAX: 0000000000000000 RBX: ffffed1002b87f78 RCX: ffffffff813a4050 [ 39.031037] RDX: ffff888015533780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.031636] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b87f2f [ 39.032201] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.032789] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c3fdf8 [ 39.033359] FS: 00007f97fc4d6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.034032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.034522] CR2: 00007f97fc9c8580 CR3: 000000000e083000 CR4: 0000000000350ef0 [ 39.035091] Call Trace: [ 39.035304] [ 39.035492] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.035920] ? __create_object+0x59/0x80 [ 39.036260] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.036712] __vmalloc_noprof+0x59/0x60 [ 39.037040] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.037419] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.037845] bpf_prog_alloc+0x39/0x200 [ 39.038162] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.038581] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.038976] do_seccomp+0x349/0x25e0 [ 39.039283] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.039704] ? __pfx_do_seccomp+0x10/0x10 [ 39.040048] ? find_held_lock+0x2b/0x80 [ 39.040374] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.040815] ? static_key_count+0x60/0x80 [ 39.041164] prctl_set_seccomp+0x4e/0x70 [ 39.041520] __do_sys_prctl+0xe6c/0x1d70 [ 39.041862] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.042232] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.042675] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.043097] ? irqentry_exit+0xf3/0x650 [ 39.043426] do_syscall_64+0xbf/0x430 [ 39.043775] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.044193] RIP: 0033:0x7f97fc9c85cd [ 39.044493] 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 [ 39.045954] RSP: 002b:00007ffc7075b380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.046586] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97fc9c85cd [ 39.047150] RDX: 0000558614ec0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.047741] RBP: 00007ffc7075b3e0 R08: 0000000000000000 R09: 00007ffc7075aa80 [ 39.048315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558625608240 [ 39.048903] R13: 00007ffc7075b810 R14: 0000558625611380 R15: 000055862561c540 [ 39.049481] [ 39.049692] irq event stamp: 1661 [ 39.049975] hardirqs last enabled at (1669): [] __up_console_sem+0x78/0x80 [ 39.050688] hardirqs last disabled at (1694): [] __up_console_sem+0x5d/0x80 [ 39.051354] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 39.052060] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 39.052759] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.168387] ------------[ cut here ]------------ [ 42.168987] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.170251] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.171179] Modules linked in: [ 42.171576] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.172862] Tainted: [W]=WARN [ 42.173215] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.174163] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.174753] 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 [ 42.176807] RSP: 0018:ffff888016317bc0 EFLAGS: 00010286 [ 42.177403] RAX: 0000000000000000 RBX: ffffed1002c62f78 RCX: ffffffff813a4050 [ 42.178226] RDX: ffff88800f070000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.179032] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c62f2f [ 42.179870] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.180691] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016317df8 [ 42.181479] FS: 00007f1886f81900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.182403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.183089] CR2: 00007f1887473580 CR3: 000000001fa5f000 CR4: 0000000000350ef0 [ 42.183916] Call Trace: [ 42.184213] [ 42.184472] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.185049] ? __create_object+0x59/0x80 [ 42.185553] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.186145] __vmalloc_noprof+0x59/0x60 [ 42.186626] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.187156] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.187758] bpf_prog_alloc+0x39/0x200 [ 42.188203] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.188785] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.189336] do_seccomp+0x349/0x25e0 [ 42.189789] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.190321] ? __pfx_do_seccomp+0x10/0x10 [ 42.190814] ? find_held_lock+0x2b/0x80 [ 42.191268] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.191893] ? static_key_count+0x60/0x80 [ 42.192379] prctl_set_seccomp+0x4e/0x70 [ 42.192871] __do_sys_prctl+0xe6c/0x1d70 [ 42.193350] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.193892] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.194486] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.195110] ? irqentry_exit+0xf3/0x650 [ 42.195610] do_syscall_64+0xbf/0x430 [ 42.196057] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.196666] RIP: 0033:0x7f18874735cd [ 42.197086] 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 [ 42.199100] RSP: 002b:00007fffe4e32e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.199976] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f18874735cd [ 42.200791] RDX: 000056270e933e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.201607] RBP: 00007fffe4e32ea0 R08: 0000000000000000 R09: 00007fffe4e32540 [ 42.202397] R10: 0000000000000000 R11: 0000000000000246 R12: 000056271fd9dbf0 [ 42.203203] R13: 00007fffe4e332d0 R14: 000056271fda7380 R15: 000056271fdb2460 [ 42.204038] [ 42.204308] irq event stamp: 1665 [ 42.204723] hardirqs last enabled at (1675): [] __up_console_sem+0x78/0x80 [ 42.205699] hardirqs last disabled at (1684): [] __up_console_sem+0x5d/0x80 [ 42.206668] softirqs last enabled at (1190): [] handle_softirqs+0x50c/0x770 [ 42.207668] softirqs last disabled at (1181): [] __irq_exit_rcu+0xc4/0x100 [ 42.208644] ---[ end trace 0000000000000000 ]--- [ 42.888467] ------------[ cut here ]------------ [ 42.889606] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.891934] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.893581] Modules linked in: [ 42.894256] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.896546] Tainted: [W]=WARN [ 42.897182] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.898828] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.899885] 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 [ 42.903446] RSP: 0018:ffff88800f257bc0 EFLAGS: 00010286 [ 42.904562] RAX: 0000000000000000 RBX: ffffed1001e4af78 RCX: ffffffff813a4050 [ 42.906017] RDX: ffff8880155f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.907478] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e4af2f [ 42.908956] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.910405] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f257df8 [ 42.911880] FS: 00007f3f776b4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.913528] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.914741] CR2: 00007f3f77ba6580 CR3: 000000001fbd2000 CR4: 0000000000350ef0 [ 42.916210] Call Trace: [ 42.916804] [ 42.917273] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.918314] ? __create_object+0x59/0x80 [ 42.919209] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.920343] __vmalloc_noprof+0x59/0x60 [ 42.921203] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.922201] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.923388] bpf_prog_alloc+0x39/0x200 [ 42.924250] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.925329] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.926381] do_seccomp+0x349/0x25e0 [ 42.927205] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.928260] ? __pfx_do_seccomp+0x10/0x10 [ 42.929169] ? find_held_lock+0x2b/0x80 [ 42.930031] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.931114] ? static_key_count+0x60/0x80 [ 42.932208] prctl_set_seccomp+0x4e/0x70 [ 42.933317] __do_sys_prctl+0xe6c/0x1d70 [ 42.934429] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.935531] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.936730] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.937947] ? irqentry_exit+0xf3/0x650 [ 42.938818] do_syscall_64+0xbf/0x430 [ 42.939821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.940744] RIP: 0033:0x7f3f77ba65cd [ 42.941378] 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 [ 42.944827] RSP: 002b:00007fff3dd43350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.946315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f77ba65cd [ 42.947657] RDX: 0000558e2d505e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.949103] RBP: 00007fff3dd433b0 R08: 0000000000000000 R09: 00007fff3dd42a50 [ 42.950420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558e50ad0b10 [ 42.951660] R13: 00007fff3dd437e0 R14: 0000558e50ad12b0 R15: 0000558e50ae56f0 [ 42.953133] [ 42.953582] irq event stamp: 2759 [ 42.954231] hardirqs last enabled at (2767): [] __up_console_sem+0x78/0x80 [ 42.955894] hardirqs last disabled at (2776): [] __up_console_sem+0x5d/0x80 [ 42.957431] softirqs last enabled at (2486): [] handle_softirqs+0x50c/0x770 [ 42.959076] softirqs last disabled at (2479): [] __irq_exit_rcu+0xc4/0x100 [ 42.960675] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28105' (ECDSA) to the list of known hosts. 2025/11/19 05:26:38 fuzzer started 2025/11/19 05:26:38 dialing manager at localhost:34383 2025/11/19 05:26:38 checking machine... 2025/11/19 05:26:38 checking revisions... [ 43.817390] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:26:39 testing simple program... [ 43.897606] cgroup: Unknown subsys name 'net' [ 43.951580] cgroup: Unknown subsys name 'cpuset' [ 43.969760] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:26:38 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce08b38 RCX=ffff88806ce089c4 RDX=1ffff1100d9c1168 RSI=ffffffff812dfbe6 RDI=ffff88806ce08b40 RBP=000000000000000d RSP=ffff88806ce08a50 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000006e15 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffff88800f075340 R15=ffff888009462280 RIP=ffffffff8161918f RFL=00000283 [--S---C] 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 00007f1886f81900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1886f41008 CR3=000000000e90b000 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=00000000000205f1 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1940e99000 CR3=000000000d983000 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=e48365b4f8cac4b6e940966ef0d99c84 XMM02=ec2efd57dc4c00df0000000000304dd0 XMM03=7972dedd99454fb10000000000304ea0 XMM04=4d6cf2d52b4aac0f00000000000ae988 XMM05=8c907edec4cb49a70000000000321e80 XMM06=d74844bf967d85ba0000000000320f20 XMM07=e042d86d42eb936e00000000003100c8 XMM08=7972dedd99454fb10000000000304ea0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000