[ 39.229775] ------------[ cut here ]------------ [ 39.230533] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.232174] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.234372] Modules linked in: [ 39.234916] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.236553] Tainted: [W]=WARN [ 39.237009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.238227] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.238970] 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 [ 39.241581] RSP: 0018:ffff888015e57bc0 EFLAGS: 00010286 [ 39.242365] RAX: 0000000000000000 RBX: ffffed1002bcaf78 RCX: ffffffff813a4050 [ 39.243419] RDX: ffff88800efb8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.244474] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bcaf2f [ 39.245568] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.246641] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e57df8 [ 39.247701] FS: 00007f1ff6175900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.248885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.249771] CR2: 00007f1ff6667580 CR3: 000000000bbf8000 CR4: 0000000000350ef0 [ 39.250841] Call Trace: [ 39.251227] [ 39.251608] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.252311] ? __create_object+0x59/0x80 [ 39.252959] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.253775] __vmalloc_noprof+0x59/0x60 [ 39.254365] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.255093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.255869] bpf_prog_alloc+0x39/0x200 [ 39.256448] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.257224] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.258001] do_seccomp+0x349/0x25e0 [ 39.258592] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.259304] ? __pfx_do_seccomp+0x10/0x10 [ 39.259962] ? find_held_lock+0x2b/0x80 [ 39.260599] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.261360] ? static_key_count+0x60/0x80 [ 39.262030] prctl_set_seccomp+0x4e/0x70 [ 39.262667] __do_sys_prctl+0xe6c/0x1d70 [ 39.263276] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.263981] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.264775] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.265581] ? irqentry_exit+0xf3/0x650 [ 39.266190] do_syscall_64+0xbf/0x430 [ 39.266800] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.267588] RIP: 0033:0x7f1ff66675cd [ 39.268129] 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 [ 39.270752] RSP: 002b:00007ffc9b761150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.271887] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ff66675cd [ 39.272944] RDX: 0000559c6c532e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.274030] RBP: 00007ffc9b7611b0 R08: 0000000000000000 R09: 00007ffc9b760850 [ 39.275087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559c6f352ad0 [ 39.276144] R13: 00007ffc9b7615e0 R14: 0000559c6f353bc0 R15: 0000559c6f364780 [ 39.277214] [ 39.277608] irq event stamp: 1995 [ 39.278135] hardirqs last enabled at (2003): [] __up_console_sem+0x78/0x80 [ 39.279385] hardirqs last disabled at (2012): [] __up_console_sem+0x5d/0x80 [ 39.280643] softirqs last enabled at (1952): [] handle_softirqs+0x50c/0x770 [ 39.281926] softirqs last disabled at (1937): [] __irq_exit_rcu+0xc4/0x100 [ 39.283182] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.596990] ------------[ cut here ]------------ [ 42.597969] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.600089] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.601611] Modules linked in: [ 42.602249] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.604341] Tainted: [W]=WARN [ 42.604981] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.606789] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.607832] 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 [ 42.611208] RSP: 0018:ffff888018e2fbc0 EFLAGS: 00010286 [ 42.612229] RAX: 0000000000000000 RBX: ffffed10031c5f78 RCX: ffffffff813a4050 [ 42.613573] RDX: ffff888015ee9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.614916] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031c5f2f [ 42.616258] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.617610] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018e2fdf8 [ 42.618973] FS: 00007fe7e2b86900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.620503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.621619] CR2: 00007fe7e3078580 CR3: 000000000e65e000 CR4: 0000000000350ef0 [ 42.622982] Call Trace: [ 42.623469] [ 42.623930] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.624864] ? __create_object+0x59/0x80 [ 42.625697] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.626705] __vmalloc_noprof+0x59/0x60 [ 42.627451] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.628356] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.629324] bpf_prog_alloc+0x39/0x200 [ 42.630113] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.631090] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.632032] do_seccomp+0x349/0x25e0 [ 42.632769] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.633704] ? __pfx_do_seccomp+0x10/0x10 [ 42.634517] ? find_held_lock+0x2b/0x80 [ 42.635262] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.636256] ? static_key_count+0x60/0x80 [ 42.637074] prctl_set_seccomp+0x4e/0x70 [ 42.637890] __do_sys_prctl+0xe6c/0x1d70 [ 42.638724] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.639609] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.640598] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.641599] ? irqentry_exit+0xf3/0x650 [ 42.642354] do_syscall_64+0xbf/0x430 [ 42.643115] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.644095] RIP: 0033:0x7fe7e30785cd [ 42.644820] 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 [ 42.648210] RSP: 002b:00007ffdf6ac20f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.649609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7e30785cd [ 42.650941] RDX: 0000561ebd675e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.652234] RBP: 00007ffdf6ac2150 R08: 0000000000000000 R09: 00007ffdf6ac17f0 [ 42.653549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561edaaefad0 [ 42.654799] R13: 00007ffdf6ac2580 R14: 0000561edaaf0bc0 R15: 0000561edab01780 [ 42.655973] [ 42.656356] irq event stamp: 1855 [ 42.656944] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 42.658329] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 42.659679] softirqs last enabled at (1444): [] handle_softirqs+0x50c/0x770 [ 42.661017] softirqs last disabled at (1439): [] __irq_exit_rcu+0xc4/0x100 [ 42.662398] ---[ end trace 0000000000000000 ]--- [ 43.393299] ------------[ cut here ]------------ [ 43.394336] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.396613] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.398259] Modules linked in: [ 43.398972] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.401172] Tainted: [W]=WARN [ 43.401779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.404669] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.405658] 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 [ 43.408836] RSP: 0018:ffff888016ee7bc0 EFLAGS: 00010286 [ 43.409814] RAX: 0000000000000000 RBX: ffffed1002ddcf78 RCX: ffffffff813a4050 [ 43.411097] RDX: ffff88800efb9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.412373] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddcf2f [ 43.413658] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.414963] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ee7df8 [ 43.416238] FS: 00007f4fd55b9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.417660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.418731] CR2: 00007ffd5669aef7 CR3: 0000000016c0c000 CR4: 0000000000350ef0 [ 43.420014] Call Trace: [ 43.420514] [ 43.420925] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.421840] ? __create_object+0x59/0x80 [ 43.422736] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.423772] __vmalloc_noprof+0x59/0x60 [ 43.424524] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.425340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.426268] bpf_prog_alloc+0x39/0x200 [ 43.427067] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.428106] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.429141] do_seccomp+0x349/0x25e0 [ 43.429978] ? find_held_lock+0x2b/0x80 [ 43.430751] ? do_prlimit+0x310/0x610 [ 43.431433] ? __pfx_do_seccomp+0x10/0x10 [ 43.432293] ? do_raw_spin_unlock+0x53/0x220 [ 43.433232] ? _raw_spin_unlock+0x1e/0x40 [ 43.434139] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.435277] ? static_key_count+0x60/0x80 [ 43.436184] prctl_set_seccomp+0x4e/0x70 [ 43.437073] __do_sys_prctl+0xe6c/0x1d70 [ 43.437963] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.438885] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.439843] ? irqentry_exit+0xf3/0x650 [ 43.440605] do_syscall_64+0xbf/0x430 [ 43.441301] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.442327] RIP: 0033:0x7f4fd5aab5cd [ 43.443073] 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 [ 43.446497] RSP: 002b:00007ffd56698ea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.447890] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4fd5aab5cd [ 43.449274] RDX: 000055de97487e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.450666] RBP: 00007ffd56698f00 R08: 0000000000000000 R09: 00007ffd566985a0 [ 43.452065] R10: 0000000000000000 R11: 0000000000000246 R12: 000055deae35bad0 [ 43.453494] R13: 00007ffd56699330 R14: 000055deae35cbc0 R15: 000055deae36d780 [ 43.455021] [ 43.455556] irq event stamp: 2105 [ 43.456260] hardirqs last enabled at (2113): [] __up_console_sem+0x78/0x80 [ 43.458030] hardirqs last disabled at (2122): [] __up_console_sem+0x5d/0x80 [ 43.459631] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 43.461122] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 43.462584] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:58750' (ECDSA) to the list of known hosts. 2025/11/18 18:39:57 fuzzer started 2025/11/18 18:39:57 dialing manager at localhost:34383 2025/11/18 18:39:58 checking machine... 2025/11/18 18:39:58 checking revisions... [ 44.325628] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:39:58 testing simple program... [ 44.405754] cgroup: Unknown subsys name 'net' [ 44.465972] cgroup: Unknown subsys name 'cpuset' [ 44.484558] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:39:57 Registers: info registers vcpu 0 RAX=00000000664b943c RBX=00000000fa79fbd5 RCX=ffff888017a77780 RDX=000000000000000e RSI=000000003d37208d RDI=0000000000000001 RBP=0000000000000001 RSP=ffff8880158373c8 R8 =000000001591f65b R9 =ffff88806c4fbd50 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000482cc0 R14=ffff888015837430 R15=000000000000000e RIP=ffffffff82642ba6 RFL=00000282 [--S----] 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 00007f60eb213900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd812b7e18 CR3=00000000144a7000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=1947c1a2866c510700000000000ae988 XMM05=b2f0f469eb4221ec0000000000322898 XMM06=07c8bb74b6c04a440000000000320a18 XMM07=fb795ef6d65770560000000000311158 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=dffffc0000000000 RCX=ffff888009757c04 RDX=0000000000000001 RSI=ffffffff85e1fec0 RDI=ffff8880096fb780 RBP=ffffffff85e1fec0 RSP=ffff888009757be0 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000000 R12=ffffffff815d6c93 R13=ffff888009757c04 R14=0000000000000001 R15=0000000000000001 RIP=ffffffff815221da RFL=00000002 [-------] 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdf6abc000 CR3=000000001f770000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000