[ 39.422236] ------------[ cut here ]------------ [ 39.423159] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.425160] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.426616] Modules linked in: [ 39.427265] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.429497] Tainted: [W]=WARN [ 39.430576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.432102] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.433035] 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 [ 39.436180] RSP: 0018:ffff888019dc7bc0 EFLAGS: 00010286 [ 39.437156] RAX: 0000000000000000 RBX: ffffed10033b8f78 RCX: ffffffff813a4050 [ 39.438432] RDX: ffff888007165340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.439697] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033b8f2f [ 39.440977] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.442272] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019dc7df8 [ 39.443580] FS: 00007f78fc9b2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.445118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.446195] CR2: 00007f78fcea4580 CR3: 0000000013d59000 CR4: 0000000000350ef0 [ 39.447486] Call Trace: [ 39.448004] [ 39.448413] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.449327] ? __create_object+0x59/0x80 [ 39.450101] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.451075] __vmalloc_noprof+0x59/0x60 [ 39.451784] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.452664] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.453587] bpf_prog_alloc+0x39/0x200 [ 39.454341] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.455288] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.456191] do_seccomp+0x349/0x25e0 [ 39.456921] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.457770] ? __pfx_do_seccomp+0x10/0x10 [ 39.458560] ? find_held_lock+0x2b/0x80 [ 39.459319] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.460289] ? static_key_count+0x60/0x80 [ 39.461111] prctl_set_seccomp+0x4e/0x70 [ 39.461835] __do_sys_prctl+0xe6c/0x1d70 [ 39.462628] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.463480] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.464470] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.465433] ? irqentry_exit+0xf3/0x650 [ 39.466198] do_syscall_64+0xbf/0x430 [ 39.466935] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.467855] RIP: 0033:0x7f78fcea45cd [ 39.468574] 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 [ 39.471738] RSP: 002b:00007fff561d44f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.473118] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f78fcea45cd [ 39.474439] RDX: 000055de4d65ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.475719] RBP: 00007fff561d4550 R08: 0000000000000000 R09: 00007fff561d3bf0 [ 39.477019] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de883e6ad0 [ 39.478309] R13: 00007fff561d4980 R14: 000055de883e7bc0 R15: 000055de883f8780 [ 39.479605] [ 39.480078] irq event stamp: 1869 [ 39.480709] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 39.482236] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 39.483754] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 39.485294] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 39.486802] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.166371] ------------[ cut here ]------------ [ 42.166908] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.168539] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.169387] Modules linked in: [ 42.169724] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.170899] Tainted: [W]=WARN [ 42.171215] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.172124] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.172627] 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 [ 42.174449] RSP: 0018:ffff888016cd7bc0 EFLAGS: 00010286 [ 42.175022] RAX: 0000000000000000 RBX: ffffed1002d9af78 RCX: ffffffff813a4050 [ 42.175729] RDX: ffff888016de3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.176471] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9af2f [ 42.177226] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.177967] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cd7df8 [ 42.178677] FS: 00007fca5cf87900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.179511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.180126] CR2: 00007fff4a772ef7 CR3: 000000000da9d000 CR4: 0000000000350ef0 [ 42.180841] Call Trace: [ 42.181142] [ 42.181379] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.181868] ? __create_object+0x59/0x80 [ 42.182323] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.182851] __vmalloc_noprof+0x59/0x60 [ 42.183299] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.183778] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.184319] bpf_prog_alloc+0x39/0x200 [ 42.184730] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.185271] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.185764] do_seccomp+0x349/0x25e0 [ 42.186183] ? find_held_lock+0x2b/0x80 [ 42.186594] ? do_prlimit+0x310/0x610 [ 42.187032] ? __pfx_do_seccomp+0x10/0x10 [ 42.187466] ? do_raw_spin_unlock+0x53/0x220 [ 42.187943] ? _raw_spin_unlock+0x1e/0x40 [ 42.188366] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.188831] ? static_key_count+0x60/0x80 [ 42.189203] prctl_set_seccomp+0x4e/0x70 [ 42.189537] __do_sys_prctl+0xe6c/0x1d70 [ 42.189870] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.190267] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.190681] ? irqentry_exit+0xf3/0x650 [ 42.191032] do_syscall_64+0xbf/0x430 [ 42.191354] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.191761] RIP: 0033:0x7fca5d4795cd [ 42.192081] 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 [ 42.193524] RSP: 002b:00007fff4a771bf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.194141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca5d4795cd [ 42.194699] RDX: 000055c2de5f0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.195280] RBP: 00007fff4a771c50 R08: 0000000000000000 R09: 00007fff4a7712f0 [ 42.195837] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c2f17baad0 [ 42.196417] R13: 00007fff4a772080 R14: 000055c2f17bbbc0 R15: 000055c2f17cc780 [ 42.197014] [ 42.197209] irq event stamp: 1685 [ 42.197480] hardirqs last enabled at (1693): [] __up_console_sem+0x78/0x80 [ 42.198172] hardirqs last disabled at (1702): [] __up_console_sem+0x5d/0x80 [ 42.198836] softirqs last enabled at (1254): [] handle_softirqs+0x50c/0x770 [ 42.199544] softirqs last disabled at (1241): [] __irq_exit_rcu+0xc4/0x100 [ 42.200230] ---[ end trace 0000000000000000 ]--- [ 42.815139] ------------[ cut here ]------------ [ 42.816055] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.818075] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.819780] Modules linked in: [ 42.820475] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.822493] Tainted: [W]=WARN [ 42.823093] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.824572] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.825473] 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 [ 42.828641] RSP: 0018:ffff888016617bc0 EFLAGS: 00010286 [ 42.829616] RAX: 0000000000000000 RBX: ffffed1002cc2f78 RCX: ffffffff813a4050 [ 42.830902] RDX: ffff888015a90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.832167] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc2f2f [ 42.833460] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.834720] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016617df8 [ 42.835983] FS: 00007f394a2b6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.837406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.838447] CR2: 00007f394a7a8580 CR3: 000000000e503000 CR4: 0000000000350ef0 [ 42.839709] Call Trace: [ 42.840212] [ 42.840636] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.841522] ? __create_object+0x59/0x80 [ 42.842292] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.843243] __vmalloc_noprof+0x59/0x60 [ 42.844005] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.844834] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.845756] bpf_prog_alloc+0x39/0x200 [ 42.846485] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.847395] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.848277] do_seccomp+0x349/0x25e0 [ 42.849002] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.849839] ? __pfx_do_seccomp+0x10/0x10 [ 42.850609] ? find_held_lock+0x2b/0x80 [ 42.851361] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.852308] ? static_key_count+0x60/0x80 [ 42.853109] prctl_set_seccomp+0x4e/0x70 [ 42.853827] __do_sys_prctl+0xe6c/0x1d70 [ 42.854595] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.855442] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.856386] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.857363] ? irqentry_exit+0xf3/0x650 [ 42.858128] do_syscall_64+0xbf/0x430 [ 42.858815] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.859751] RIP: 0033:0x7f394a7a85cd [ 42.860441] 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 [ 42.863581] RSP: 002b:00007ffd2547ec30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.864941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f394a7a85cd [ 42.866210] RDX: 000055e871104e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.867482] RBP: 00007ffd2547ec90 R08: 0000000000000000 R09: 00007ffd2547e330 [ 42.868767] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e87d73c2b0 [ 42.870036] R13: 00007ffd2547f0c0 R14: 000055e87d73ed20 R15: 000055e87d7508d0 [ 42.871333] [ 42.871749] irq event stamp: 1789 [ 42.872393] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.873911] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.875404] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 42.876955] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 42.878280] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52954' (ECDSA) to the list of known hosts. 2025/11/17 09:54:37 fuzzer started 2025/11/17 09:54:38 dialing manager at localhost:37895 2025/11/17 09:54:38 checking machine... 2025/11/17 09:54:38 checking revisions... [ 43.776369] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:54:38 testing simple program... [ 43.856389] cgroup: Unknown subsys name 'net' [ 43.910372] cgroup: Unknown subsys name 'cpuset' [ 43.924765] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:54:37 Registers: info registers vcpu 0 RAX=000000000003e013 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0087d5d000 CR3=0000000013d49000 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=34353a393020373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303533 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=dffffc0000000000 RBX=ffff88806cf08b38 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1167 RSI=ffffffff813c14f4 RDI=ffff88806cf08b44 RBP=0000000000000007 RSP=ffff88806cf08a50 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000008964 R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888016053780 R15=ffff888008c4b780 RIP=ffffffff8161904f 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 00007fca5cf87900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fca5cf66020 CR3=000000000737e000 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