[ 38.979288] ------------[ cut here ]------------ [ 38.980215] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.982200] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.983636] Modules linked in: [ 38.984497] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.986520] Tainted: [W]=WARN [ 38.987114] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.988630] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.989551] 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 [ 38.992705] RSP: 0018:ffff8880170afbc0 EFLAGS: 00010286 [ 38.993681] RAX: 0000000000000000 RBX: ffffed1002e15f78 RCX: ffffffff813a4050 [ 38.994946] RDX: ffff88801ab23780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.996219] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e15f2f [ 38.997481] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.998741] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170afdf8 [ 39.000032] FS: 00007f09fa98b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.001457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.002523] CR2: 00007ffdc0a94ef7 CR3: 000000000e93c000 CR4: 0000000000350ef0 [ 39.003797] Call Trace: [ 39.004301] [ 39.004706] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.005589] ? __create_object+0x59/0x80 [ 39.006375] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.007336] __vmalloc_noprof+0x59/0x60 [ 39.008093] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.008967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.009887] bpf_prog_alloc+0x39/0x200 [ 39.010578] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.011494] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.012402] do_seccomp+0x349/0x25e0 [ 39.013113] ? find_held_lock+0x2b/0x80 [ 39.013866] ? do_prlimit+0x310/0x610 [ 39.014561] ? __pfx_do_seccomp+0x10/0x10 [ 39.015925] ? do_raw_spin_unlock+0x53/0x220 [ 39.016778] ? _raw_spin_unlock+0x1e/0x40 [ 39.017591] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.018559] ? static_key_count+0x60/0x80 [ 39.019347] prctl_set_seccomp+0x4e/0x70 [ 39.020141] __do_sys_prctl+0xe6c/0x1d70 [ 39.020953] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.021776] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.022745] ? irqentry_exit+0xf3/0x650 [ 39.023490] do_syscall_64+0xbf/0x430 [ 39.024232] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.025158] RIP: 0033:0x7f09fae7d5cd [ 39.025880] 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 [ 39.029049] RSP: 002b:00007ffdc0a93db0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.030407] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f09fae7d5cd [ 39.031675] RDX: 00005580e577fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.032911] RBP: 00007ffdc0a93e10 R08: 0000000000000000 R09: 00007ffdc0a934b0 [ 39.033990] R10: 0000000000000000 R11: 0000000000000246 R12: 00005580fc38db10 [ 39.035058] R13: 00007ffdc0a94240 R14: 00005580fc38e2b0 R15: 00005580fc3a26f0 [ 39.036170] [ 39.036528] irq event stamp: 1863 [ 39.037065] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 39.038343] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 39.039624] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 39.040929] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 39.042210] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.226083] ------------[ cut here ]------------ [ 42.227069] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.229176] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.230718] Modules linked in: [ 42.231409] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.233519] Tainted: [W]=WARN [ 42.234154] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.235702] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.236677] 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 [ 42.240053] RSP: 0018:ffff888016fbfbc0 EFLAGS: 00010286 [ 42.241084] RAX: 0000000000000000 RBX: ffffed1002df7f78 RCX: ffffffff813a4050 [ 42.242603] RDX: ffff8880169e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.243959] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df7f2f [ 42.245316] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.246670] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fbfdf8 [ 42.248048] FS: 00007fc5f7bf7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.249569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.250675] CR2: 00007ffcf51dbef7 CR3: 00000000209b4000 CR4: 0000000000350ef0 [ 42.252038] Call Trace: [ 42.252534] [ 42.253017] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.253968] ? __create_object+0x59/0x80 [ 42.254739] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.255761] __vmalloc_noprof+0x59/0x60 [ 42.256546] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.257461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.258441] bpf_prog_alloc+0x39/0x200 [ 42.259217] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.260199] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.261142] do_seccomp+0x349/0x25e0 [ 42.261882] ? find_held_lock+0x2b/0x80 [ 42.262620] ? do_prlimit+0x310/0x610 [ 42.263378] ? __pfx_do_seccomp+0x10/0x10 [ 42.264216] ? do_raw_spin_unlock+0x53/0x220 [ 42.265081] ? _raw_spin_unlock+0x1e/0x40 [ 42.265896] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.266898] ? static_key_count+0x60/0x80 [ 42.267690] prctl_set_seccomp+0x4e/0x70 [ 42.268510] __do_sys_prctl+0xe6c/0x1d70 [ 42.269325] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.270214] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.271222] ? irqentry_exit+0xf3/0x650 [ 42.272030] do_syscall_64+0xbf/0x430 [ 42.272748] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.273729] RIP: 0033:0x7fc5f80e95cd [ 42.274460] 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 [ 42.277751] RSP: 002b:00007ffcf51da910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.279215] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5f80e95cd [ 42.280555] RDX: 000055a48ec57e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.281874] RBP: 00007ffcf51da970 R08: 0000000000000000 R09: 00007ffcf51da010 [ 42.283192] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a4c85842b0 [ 42.284515] R13: 00007ffcf51dada0 R14: 000055a4c8586d20 R15: 000055a4c85988d0 [ 42.285854] [ 42.286287] irq event stamp: 1839 [ 42.286955] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 42.288529] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 42.290081] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 42.291656] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 42.293004] ---[ end trace 0000000000000000 ]--- [ 43.154467] ------------[ cut here ]------------ [ 43.155407] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.157398] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.158874] Modules linked in: [ 43.159474] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.161505] Tainted: [W]=WARN [ 43.162115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.163594] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.164527] 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 [ 43.167686] RSP: 0018:ffff88801a9afbc0 EFLAGS: 00010286 [ 43.168683] RAX: 0000000000000000 RBX: ffffed1003535f78 RCX: ffffffff813a4050 [ 43.169982] RDX: ffff888016e88000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.171274] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003535f2f [ 43.172562] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.173847] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9afdf8 [ 43.175175] FS: 00007f6a50de8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.176633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.177705] CR2: 00007fff57ca9ef7 CR3: 00000000208e3000 CR4: 0000000000350ef0 [ 43.179000] Call Trace: [ 43.179475] [ 43.179954] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.180888] ? __create_object+0x59/0x80 [ 43.181627] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.182609] __vmalloc_noprof+0x59/0x60 [ 43.183378] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.184270] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.185210] bpf_prog_alloc+0x39/0x200 [ 43.185956] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.186901] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.187770] do_seccomp+0x349/0x25e0 [ 43.188504] ? find_held_lock+0x2b/0x80 [ 43.189295] ? do_prlimit+0x310/0x610 [ 43.190054] ? __pfx_do_seccomp+0x10/0x10 [ 43.190856] ? do_raw_spin_unlock+0x53/0x220 [ 43.191647] ? _raw_spin_unlock+0x1e/0x40 [ 43.192448] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.193414] ? static_key_count+0x60/0x80 [ 43.194228] prctl_set_seccomp+0x4e/0x70 [ 43.195023] __do_sys_prctl+0xe6c/0x1d70 [ 43.195770] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.196671] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.197651] ? irqentry_exit+0xf3/0x650 [ 43.198443] do_syscall_64+0xbf/0x430 [ 43.199204] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.200168] RIP: 0033:0x7f6a512da5cd [ 43.200881] 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 [ 43.204071] RSP: 002b:00007fff57ca7da0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.205453] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a512da5cd [ 43.206761] RDX: 000055c27da45e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.208065] RBP: 00007fff57ca7e00 R08: 0000000000000000 R09: 00007fff57ca74a0 [ 43.209258] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c29a802ad0 [ 43.210413] R13: 00007fff57ca8230 R14: 000055c29a803bc0 R15: 000055c29a814780 [ 43.211573] [ 43.212018] irq event stamp: 1765 [ 43.212563] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 43.213942] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 43.215311] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 43.216712] softirqs last disabled at (1641): [] __irq_exit_rcu+0xc4/0x100 [ 43.218072] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37306' (ECDSA) to the list of known hosts. 2025/11/18 20:12:00 fuzzer started 2025/11/18 20:12:00 dialing manager at localhost:34383 2025/11/18 20:12:00 checking machine... 2025/11/18 20:12:00 checking revisions... [ 44.127715] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:12:01 testing simple program... [ 44.226769] cgroup: Unknown subsys name 'net' [ 44.289102] cgroup: Unknown subsys name 'cpuset' [ 44.305364] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:11:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016a774e8 RCX=ffff888016a77374 RDX=1ffff11002d4ee9f RSI=ffffffff81000130 RDI=ffff888016a774f8 RBP=ffff888016a774b8 RSP=ffff888016a77400 R8 =0000000000000001 R9 =ffff888016a77460 R10=000000000003c9ed R11=00000000000c7d16 R12=ffff888016a774e8 R13=0000000000000000 R14=ffff88801b408000 R15=0000000000000000 RIP=ffffffff81619156 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 00007f3024732700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f893892d000 CR3=000000000dac1000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3933325b646873732039353a3131 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323636 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000080000000 RBX=0000000000000004 RCX=ffffffff84bf5db0 RDX=ffff8880169e3780 RSI=0000000000000000 RDI=0000000000000007 RBP=0000000000000004 RSP=ffff8880166d78e0 R8 =0000000000000001 R9 =ffffed10019f7778 R10=0000000000000004 R11=0000000000000001 R12=0000000000000004 R13=ffffffffffffffff R14=dffffc0000000000 R15=ffff8880166d7a20 RIP=ffffffff81751762 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 00007fc5f7bf7900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc5f7bc6008 CR3=00000000209e2000 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