[ 39.114923] ------------[ cut here ]------------ [ 39.115872] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.117885] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.119375] Modules linked in: [ 39.120036] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.121998] Tainted: [W]=WARN [ 39.122556] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.124036] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.124964] 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 [ 39.128139] RSP: 0018:ffff888015d87bc0 EFLAGS: 00010286 [ 39.129117] RAX: 0000000000000000 RBX: ffffed1002bb0f78 RCX: ffffffff813a4050 [ 39.130389] RDX: ffff888015b93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.131676] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bb0f2f [ 39.132950] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.134227] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d87df8 [ 39.135523] FS: 00007fb3ac77e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.136968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.138031] CR2: 00007fff2d3d7ef7 CR3: 0000000013e8d000 CR4: 0000000000350ef0 [ 39.139320] Call Trace: [ 39.139786] [ 39.140238] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.141135] ? __create_object+0x59/0x80 [ 39.141922] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.142894] __vmalloc_noprof+0x59/0x60 [ 39.143597] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.144463] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.145394] bpf_prog_alloc+0x39/0x200 [ 39.146122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.147056] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.147962] do_seccomp+0x349/0x25e0 [ 39.148637] ? find_held_lock+0x2b/0x80 [ 39.149389] ? do_prlimit+0x310/0x610 [ 39.150132] ? __pfx_do_seccomp+0x10/0x10 [ 39.150925] ? do_raw_spin_unlock+0x53/0x220 [ 39.151702] ? _raw_spin_unlock+0x1e/0x40 [ 39.152491] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.153453] ? static_key_count+0x60/0x80 [ 39.154252] prctl_set_seccomp+0x4e/0x70 [ 39.155038] __do_sys_prctl+0xe6c/0x1d70 [ 39.155769] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.156614] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.157576] ? irqentry_exit+0xf3/0x650 [ 39.158329] do_syscall_64+0xbf/0x430 [ 39.159073] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.160019] RIP: 0033:0x7fb3acc705cd [ 39.160674] 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 [ 39.163835] RSP: 002b:00007fff2d3d6990 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.165189] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3acc705cd [ 39.166435] RDX: 000055ed9fa63e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.167741] RBP: 00007fff2d3d69f0 R08: 0000000000000000 R09: 00007fff2d3d6090 [ 39.169013] R10: 0000000000000000 R11: 0000000000000246 R12: 000055edad5a8b10 [ 39.170270] R13: 00007fff2d3d6e20 R14: 000055edad5a92b0 R15: 000055edad5bd6f0 [ 39.171557] [ 39.172018] irq event stamp: 1751 [ 39.172611] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 39.174132] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 39.175655] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 39.177183] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 39.178670] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.159580] ------------[ cut here ]------------ [ 42.160380] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.162004] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.163242] Modules linked in: [ 42.163728] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.165559] Tainted: [W]=WARN [ 42.166127] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.167354] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.168126] 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 [ 42.170788] RSP: 0018:ffff888015ad7bc0 EFLAGS: 00010286 [ 42.171628] RAX: 0000000000000000 RBX: ffffed1002b5af78 RCX: ffffffff813a4050 [ 42.172711] RDX: ffff888009afb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.173791] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b5af2f [ 42.174906] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.175984] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ad7df8 [ 42.177069] FS: 00007f30104df900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.178293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.179201] CR2: 00007ffda8543ef7 CR3: 00000000201e7000 CR4: 0000000000350ef0 [ 42.180285] Call Trace: [ 42.180679] [ 42.181065] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.181789] ? __create_object+0x59/0x80 [ 42.182460] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.183291] __vmalloc_noprof+0x59/0x60 [ 42.183934] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.184638] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.185426] bpf_prog_alloc+0x39/0x200 [ 42.186051] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.186797] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.187578] do_seccomp+0x349/0x25e0 [ 42.188183] ? find_held_lock+0x2b/0x80 [ 42.188790] ? do_prlimit+0x310/0x610 [ 42.189428] ? __pfx_do_seccomp+0x10/0x10 [ 42.190116] ? do_raw_spin_unlock+0x53/0x220 [ 42.190784] ? _raw_spin_unlock+0x1e/0x40 [ 42.191470] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.192289] ? static_key_count+0x60/0x80 [ 42.192973] prctl_set_seccomp+0x4e/0x70 [ 42.193602] __do_sys_prctl+0xe6c/0x1d70 [ 42.194264] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.195001] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.195778] ? irqentry_exit+0xf3/0x650 [ 42.196431] do_syscall_64+0xbf/0x430 [ 42.197060] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.197866] RIP: 0033:0x7f30109d15cd [ 42.198425] 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 [ 42.201119] RSP: 002b:00007ffda8541760 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.202273] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f30109d15cd [ 42.203367] RDX: 000055e7fd0fbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.204462] RBP: 00007ffda85417c0 R08: 0000000000000000 R09: 00007ffda8540e60 [ 42.205555] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e806ebdad0 [ 42.206657] R13: 00007ffda8541bf0 R14: 000055e806ebebc0 R15: 000055e806ecf780 [ 42.207769] [ 42.208159] irq event stamp: 1805 [ 42.208675] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 42.209957] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 42.211269] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 42.212578] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 42.213872] ---[ end trace 0000000000000000 ]--- [ 42.917515] ------------[ cut here ]------------ [ 42.918521] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.920696] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.922303] Modules linked in: [ 42.923003] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.925079] Tainted: [W]=WARN [ 42.925665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.927238] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.928210] 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 [ 42.931588] RSP: 0018:ffff888016a2fbc0 EFLAGS: 00010286 [ 42.932550] RAX: 0000000000000000 RBX: ffffed1002d45f78 RCX: ffffffff813a4050 [ 42.933782] RDX: ffff888016b85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.935055] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d45f2f [ 42.936279] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.937517] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a2fdf8 [ 42.938854] FS: 00007f4cadc84900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.940340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.941387] CR2: 00007f4cae176580 CR3: 0000000017121000 CR4: 0000000000350ef0 [ 42.942633] Call Trace: [ 42.943139] [ 42.943553] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.944413] ? __create_object+0x59/0x80 [ 42.945164] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.946094] __vmalloc_noprof+0x59/0x60 [ 42.946777] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.947621] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.948515] bpf_prog_alloc+0x39/0x200 [ 42.949220] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.950116] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.950995] do_seccomp+0x349/0x25e0 [ 42.951643] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.952504] ? __pfx_do_seccomp+0x10/0x10 [ 42.953264] ? find_held_lock+0x2b/0x80 [ 42.954001] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.954949] ? static_key_count+0x60/0x80 [ 42.955687] prctl_set_seccomp+0x4e/0x70 [ 42.956452] __do_sys_prctl+0xe6c/0x1d70 [ 42.957209] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.958045] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.959006] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.959955] ? irqentry_exit+0xf3/0x650 [ 42.960661] do_syscall_64+0xbf/0x430 [ 42.961383] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.962316] RIP: 0033:0x7f4cae1765cd [ 42.963010] 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 [ 42.966088] RSP: 002b:00007ffd3ced6420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.967430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4cae1765cd [ 42.968660] RDX: 000055f1a05f6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.969893] RBP: 00007ffd3ced6480 R08: 0000000000000000 R09: 00007ffd3ced5b20 [ 42.971143] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1c0d96ad0 [ 42.972397] R13: 00007ffd3ced68b0 R14: 000055f1c0d97bc0 R15: 000055f1c0da8780 [ 42.973686] [ 42.974130] irq event stamp: 1773 [ 42.974709] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.976177] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.977707] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 42.979309] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 42.980871] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41137' (ECDSA) to the list of known hosts. 2025/11/18 13:55:41 fuzzer started 2025/11/18 13:55:41 dialing manager at localhost:34383 2025/11/18 13:55:41 checking machine... 2025/11/18 13:55:41 checking revisions... [ 43.911575] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:55:42 testing simple program... [ 43.995414] cgroup: Unknown subsys name 'net' [ 44.062417] cgroup: Unknown subsys name 'cpuset' [ 44.078006] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:55:41 Registers: info registers vcpu 0 RAX=0000000000100000 RBX=00000000000003e8 RCX=00000000001c2306 RDX=1ffff110012c2388 RSI=0000000000000001 RDI=1ffff110012c23a3 RBP=ffff888009611c40 RSP=ffff88806ce08ce0 R8 =0000000000000000 R9 =00000000000003e8 R10=00000000000007de R11=0000000000000001 R12=ffff888009611d08 R13=ffff888009611d1c R14=ffff888009611d00 R15=0000000000000001 RIP=ffffffff814dc673 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc76cdcc58 CR3=000000000c7d8000 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=d0fa00cf7d19b883b94e956437919e8c XMM02=ec2efd57dc4c00df0000000000306838 XMM03=41490ff9966d49ea0000000000306908 XMM04=bf1fa17511cfce1000000000000ae988 XMM05=d96330e2d2db86320000000000320838 XMM06=a7f34d2538d86ec70000000000319e60 XMM07=e042d86d42eb936e0000000000310f70 XMM08=41490ff9966d49ea0000000000306908 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff83c6b3c3 RBX=ffffffff81619130 RCX=ffff88806cf08974 RDX=1ffff1100d9e114f RSI=ffffffff83c6b3c3 RDI=ffff88806cf08ae8 RBP=ffff88806cf08ab8 RSP=ffff88806cf08a18 R8 =0000000000000001 R9 =ffff88806cf08a60 R10=000000000003c9ed R11=000000000009a68c R12=ffff88806cf08ae8 R13=0000000000000000 R14=ffff888015a30000 R15=0000000000000000 RIP=ffffffff81619130 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 00007f30104df900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffda853b000 CR3=0000000020169000 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