[ 46.450122] ------------[ cut here ]------------ [ 46.451055] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.453109] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.454561] Modules linked in: [ 46.455141] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.457149] Tainted: [W]=WARN [ 46.457735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.459195] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.460141] 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 [ 46.463281] RSP: 0018:ffff888015affbc0 EFLAGS: 00010286 [ 46.464280] RAX: 0000000000000000 RBX: ffffed1002b5ff78 RCX: ffffffff813a4050 [ 46.465559] RDX: ffff8880173a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.466835] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b5ff2f [ 46.468130] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.469399] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015affdf8 [ 46.470672] FS: 00007f1a1a525900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.472134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.473191] CR2: 00007f1a1aa17580 CR3: 000000000e855000 CR4: 0000000000350ef0 [ 46.474443] Call Trace: [ 46.474949] [ 46.475359] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.476296] ? __create_object+0x59/0x80 [ 46.477079] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.478040] __vmalloc_noprof+0x59/0x60 [ 46.478781] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.479642] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.480606] bpf_prog_alloc+0x39/0x200 [ 46.481287] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.482203] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.483097] do_seccomp+0x349/0x25e0 [ 46.483807] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.484738] ? __pfx_do_seccomp+0x10/0x10 [ 46.485478] ? find_held_lock+0x2b/0x80 [ 46.486229] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.487183] ? static_key_count+0x60/0x80 [ 46.488024] prctl_set_seccomp+0x4e/0x70 [ 46.488806] __do_sys_prctl+0xe6c/0x1d70 [ 46.489582] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.490388] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.491340] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.492341] ? irqentry_exit+0xf3/0x650 [ 46.493105] do_syscall_64+0xbf/0x430 [ 46.493840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.494780] RIP: 0033:0x7f1a1aa175cd [ 46.495431] 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 [ 46.498582] RSP: 002b:00007ffc845b26d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.499962] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a1aa175cd [ 46.501235] RDX: 0000560d04828e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.502499] RBP: 00007ffc845b2730 R08: 0000000000000000 R09: 00007ffc845b1dd0 [ 46.503788] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560d0cf2b2b0 [ 46.505075] R13: 00007ffc845b2b60 R14: 0000560d0cf2dd20 R15: 0000560d0cf3f8d0 [ 46.506348] [ 46.506797] irq event stamp: 1745 [ 46.507389] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 46.508903] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 46.510386] softirqs last enabled at (1680): [] handle_softirqs+0x50c/0x770 [ 46.511940] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 46.513450] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.101767] ------------[ cut here ]------------ [ 49.102509] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.104395] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.105586] Modules linked in: [ 49.106066] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.108073] Tainted: [W]=WARN [ 49.108572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.109771] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.110475] 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 [ 49.113093] RSP: 0018:ffff88801b01fbc0 EFLAGS: 00010286 [ 49.113886] RAX: 0000000000000000 RBX: ffffed1003603f78 RCX: ffffffff813a4050 [ 49.114936] RDX: ffff88800c221bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.116013] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003603f2f [ 49.117058] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.118106] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b01fdf8 [ 49.119151] FS: 00007f4178d7c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.120361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.121240] CR2: 00007fff6b2c9ef8 CR3: 000000000d8e8000 CR4: 0000000000350ef0 [ 49.122299] Call Trace: [ 49.122704] [ 49.123045] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.123783] ? __create_object+0x59/0x80 [ 49.124427] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.125234] __vmalloc_noprof+0x59/0x60 [ 49.125854] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.126570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.127295] bpf_prog_alloc+0x39/0x200 [ 49.127930] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.128714] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.129410] do_seccomp+0x349/0x25e0 [ 49.129999] ? find_held_lock+0x2b/0x80 [ 49.130617] ? do_prlimit+0x310/0x610 [ 49.131186] ? __pfx_do_seccomp+0x10/0x10 [ 49.131826] ? do_raw_spin_unlock+0x53/0x220 [ 49.132498] ? _raw_spin_unlock+0x1e/0x40 [ 49.133138] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.133918] ? static_key_count+0x60/0x80 [ 49.134568] prctl_set_seccomp+0x4e/0x70 [ 49.135172] __do_sys_prctl+0xe6c/0x1d70 [ 49.135810] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.136511] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.137308] ? irqentry_exit+0xf3/0x650 [ 49.137925] do_syscall_64+0xbf/0x430 [ 49.138496] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.139269] RIP: 0033:0x7f417926e5cd [ 49.139833] 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 [ 49.142441] RSP: 002b:00007fff6b2c8b40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.143567] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f417926e5cd [ 49.144659] RDX: 000055cfb3866e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.145725] RBP: 00007fff6b2c8ba0 R08: 0000000000000000 R09: 00007fff6b2c8240 [ 49.146801] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cfe000abf0 [ 49.147886] R13: 00007fff6b2c8fd0 R14: 000055cfe0014380 R15: 000055cfe001f460 [ 49.148989] [ 49.149342] irq event stamp: 1889 [ 49.149874] hardirqs last enabled at (1899): [] __up_console_sem+0x78/0x80 [ 49.151142] hardirqs last disabled at (1908): [] __up_console_sem+0x5d/0x80 [ 49.152449] softirqs last enabled at (1416): [] handle_softirqs+0x50c/0x770 [ 49.153729] softirqs last disabled at (1323): [] __irq_exit_rcu+0xc4/0x100 [ 49.154989] ---[ end trace 0000000000000000 ]--- [ 50.002139] ------------[ cut here ]------------ [ 50.003016] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.005002] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.006398] Modules linked in: [ 50.007233] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.009209] Tainted: [W]=WARN [ 50.009789] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.011201] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.012114] 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 [ 50.015141] RSP: 0018:ffff88801929fbc0 EFLAGS: 00010286 [ 50.016071] RAX: 0000000000000000 RBX: ffffed1003253f78 RCX: ffffffff813a4050 [ 50.017306] RDX: ffff888015ee1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.018541] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003253f2f [ 50.019773] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.021008] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801929fdf8 [ 50.022228] FS: 00007ff393e5a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.023604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.024644] CR2: 00007ffc135a5ef8 CR3: 000000000d95c000 CR4: 0000000000350ef0 [ 50.025886] Call Trace: [ 50.026332] [ 50.026772] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.027634] ? __create_object+0x59/0x80 [ 50.028338] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.029263] __vmalloc_noprof+0x59/0x60 [ 50.029999] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.030830] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.031719] bpf_prog_alloc+0x39/0x200 [ 50.032378] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.033274] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.034139] do_seccomp+0x349/0x25e0 [ 50.034835] ? find_held_lock+0x2b/0x80 [ 50.035559] ? do_prlimit+0x310/0x610 [ 50.036233] ? __pfx_do_seccomp+0x10/0x10 [ 50.036992] ? do_raw_spin_unlock+0x53/0x220 [ 50.037800] ? _raw_spin_unlock+0x1e/0x40 [ 50.038492] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.039423] ? static_key_count+0x60/0x80 [ 50.040226] prctl_set_seccomp+0x4e/0x70 [ 50.040972] __do_sys_prctl+0xe6c/0x1d70 [ 50.041731] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.042509] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.043427] ? irqentry_exit+0xf3/0x650 [ 50.044183] do_syscall_64+0xbf/0x430 [ 50.044896] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.045830] RIP: 0033:0x7ff39434c5cd [ 50.046467] 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 [ 50.049552] RSP: 002b:00007ffc135a4110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.050860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff39434c5cd [ 50.052123] RDX: 000055d2be9b2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.053368] RBP: 00007ffc135a4170 R08: 0000000000000000 R09: 00007ffc135a3810 [ 50.054600] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d2dde9bad0 [ 50.055844] R13: 00007ffc135a45a0 R14: 000055d2dde9cbc0 R15: 000055d2ddead780 [ 50.057117] [ 50.057574] irq event stamp: 1795 [ 50.058141] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 50.059609] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 50.060921] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 50.062156] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 50.063375] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:32043' (ECDSA) to the list of known hosts. 2025/11/18 01:37:02 fuzzer started 2025/11/18 01:37:02 dialing manager at localhost:37895 2025/11/18 01:37:02 checking machine... 2025/11/18 01:37:02 checking revisions... [ 50.963112] kmemleak: Automatic memory scanning thread ended 2025/11/18 01:37:03 testing simple program... [ 51.050624] cgroup: Unknown subsys name 'net' [ 51.107706] cgroup: Unknown subsys name 'cpuset' [ 51.126770] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:37:02 Registers: info registers vcpu 0 RAX=1ffffffff10b5a28 RBX=0000000000000003 RCX=ffffffff8137472d RDX=dffffc0000000000 RSI=ffffffff8137473b RDI=0000000000000006 RBP=000000001f8702d0 RSP=ffff888015c6fd08 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000800 R11=0000000000000001 R12=0000000000000000 R13=0000000000000800 R14=ffff888015717dc0 R15=ffff888009462500 RIP=ffffffff81374754 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 00007f4178d7c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff6b2c2000 CR3=0000000009a27000 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 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff816332ba RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff88598148 RSP=ffff88806cf08c18 R8 =ffffffff85ca1480 R9 =ffffffffffffffff R10=ffffffffffffffff R11=00000021add778dc R12=ffffffff81634bc9 R13=1878f61443092200 R14=ffff888009643780 R15=00000000002eb32e RIP=ffffffff81528f2e RFL=00000046 [---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 0000000000000000 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=00007fff104ebbe8 CR3=000000000d4ca000 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=77986535681f3f91d84ed26f19d122f6 XMM02=0000000000302908eff9b2d0a8fce9cb XMM03=00000000003029d82c67c8bc2e329bc3 XMM04=9b4d882c7952864900000000000ae988 XMM05=090f1556b20111b3000000000031e550 XMM06=09faddf4b3cc72770000000000318248 XMM07=e042d86d42eb936e000000000030e8e0 XMM08=841c0dd47a0c0fa800000000003029d8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000