[ 47.466893] ------------[ cut here ]------------ [ 47.467797] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.470052] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 47.471497] Modules linked in: [ 47.472100] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.474058] Tainted: [W]=WARN [ 47.474650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.476108] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.477024] 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 [ 47.480158] RSP: 0018:ffff888015f2fbc0 EFLAGS: 00010286 [ 47.481138] RAX: 0000000000000000 RBX: ffffed1002be5f78 RCX: ffffffff813a4050 [ 47.482409] RDX: ffff888015e50000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.483682] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002be5f2f [ 47.484966] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.486242] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f2fdf8 [ 47.487522] FS: 00007f8ddbb18900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.488952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.490006] CR2: 00007ffd4da76ef7 CR3: 000000000b776000 CR4: 0000000000350ef0 [ 47.491287] Call Trace: [ 47.491745] [ 47.492147] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.493057] ? __create_object+0x59/0x80 [ 47.493836] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.494800] __vmalloc_noprof+0x59/0x60 [ 47.495569] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.496450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.497381] bpf_prog_alloc+0x39/0x200 [ 47.498060] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.498969] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.499858] do_seccomp+0x349/0x25e0 [ 47.500582] ? find_held_lock+0x2b/0x80 [ 47.501326] ? do_prlimit+0x310/0x610 [ 47.502011] ? __pfx_do_seccomp+0x10/0x10 [ 47.502794] ? do_raw_spin_unlock+0x53/0x220 [ 47.503617] ? _raw_spin_unlock+0x1e/0x40 [ 47.504408] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.505376] ? static_key_count+0x60/0x80 [ 47.506131] prctl_set_seccomp+0x4e/0x70 [ 47.506902] __do_sys_prctl+0xe6c/0x1d70 [ 47.507674] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.508535] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.509496] ? irqentry_exit+0xf3/0x650 [ 47.510211] do_syscall_64+0xbf/0x430 [ 47.510931] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.511874] RIP: 0033:0x7f8ddc00a5cd [ 47.512585] 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 [ 47.515711] RSP: 002b:00007ffd4da75b80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.517077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8ddc00a5cd [ 47.518356] RDX: 0000559a96b9fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.519635] RBP: 00007ffd4da75be0 R08: 0000000000000000 R09: 00007ffd4da75280 [ 47.520911] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559ac444bad0 [ 47.522178] R13: 00007ffd4da76010 R14: 0000559ac444cbc0 R15: 0000559ac445d780 [ 47.523476] [ 47.523901] irq event stamp: 1689 [ 47.524560] hardirqs last enabled at (1699): [] __up_console_sem+0x78/0x80 [ 47.526077] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 47.527577] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 47.528936] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 47.530069] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.127466] ------------[ cut here ]------------ [ 50.128400] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.130449] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 50.131873] Modules linked in: [ 50.132740] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.134774] Tainted: [W]=WARN [ 50.135365] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.136814] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.137719] 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 [ 50.140864] RSP: 0018:ffff888015f67bc0 EFLAGS: 00010286 [ 50.141821] RAX: 0000000000000000 RBX: ffffed1002becf78 RCX: ffffffff813a4050 [ 50.143101] RDX: ffff88801608b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.144391] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002becf2f [ 50.145657] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.146915] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f67df8 [ 50.148215] FS: 00007faa5b496900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.149640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.150683] CR2: 00007faa5b988580 CR3: 000000000e1e0000 CR4: 0000000000350ef0 [ 50.151951] Call Trace: [ 50.152454] [ 50.152867] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.153759] ? __create_object+0x59/0x80 [ 50.154540] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.155493] __vmalloc_noprof+0x59/0x60 [ 50.156195] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.157059] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.157987] bpf_prog_alloc+0x39/0x200 [ 50.158725] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.159655] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.160562] do_seccomp+0x349/0x25e0 [ 50.161249] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.162148] ? __pfx_do_seccomp+0x10/0x10 [ 50.162926] ? find_held_lock+0x2b/0x80 [ 50.163683] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.164666] ? static_key_count+0x60/0x80 [ 50.165462] prctl_set_seccomp+0x4e/0x70 [ 50.166190] __do_sys_prctl+0xe6c/0x1d70 [ 50.166954] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.167815] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.168776] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.169730] ? irqentry_exit+0xf3/0x650 [ 50.170495] do_syscall_64+0xbf/0x430 [ 50.171181] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.172126] RIP: 0033:0x7faa5b9885cd [ 50.172818] 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 [ 50.175948] RSP: 002b:00007ffd86d8dd90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.177305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa5b9885cd [ 50.178558] RDX: 000055f41fd71e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.179822] RBP: 00007ffd86d8ddf0 R08: 0000000000000000 R09: 00007ffd86d8d490 [ 50.181095] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f4575192b0 [ 50.182367] R13: 00007ffd86d8e220 R14: 000055f45751bd20 R15: 000055f45752d8d0 [ 50.183650] [ 50.184062] irq event stamp: 1809 [ 50.184703] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 50.186217] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 50.187730] softirqs last enabled at (1402): [] handle_softirqs+0x50c/0x770 [ 50.189241] softirqs last disabled at (1397): [] __irq_exit_rcu+0xc4/0x100 [ 50.190746] ---[ end trace 0000000000000000 ]--- [ 50.828795] ------------[ cut here ]------------ [ 50.829206] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.830161] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.830836] Modules linked in: [ 50.831114] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.832019] Tainted: [W]=WARN [ 50.832295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.832959] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.833371] 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 [ 50.834842] RSP: 0018:ffff88800f287bc0 EFLAGS: 00010286 [ 50.835290] RAX: 0000000000000000 RBX: ffffed1001e50f78 RCX: ffffffff813a4050 [ 50.835867] RDX: ffff888015d39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.836458] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e50f2f [ 50.837025] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.837630] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f287df8 [ 50.838401] FS: 00007fae317d8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.839143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.839719] CR2: 00007fff3b38aef7 CR3: 000000001f613000 CR4: 0000000000350ef0 [ 50.840439] Call Trace: [ 50.840653] [ 50.840842] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.841235] ? __create_object+0x59/0x80 [ 50.841789] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.842286] __vmalloc_noprof+0x59/0x60 [ 50.842758] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.843138] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.843561] bpf_prog_alloc+0x39/0x200 [ 50.843877] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.844311] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.844705] do_seccomp+0x349/0x25e0 [ 50.845015] ? find_held_lock+0x2b/0x80 [ 50.845362] ? do_prlimit+0x310/0x610 [ 50.845692] ? __pfx_do_seccomp+0x10/0x10 [ 50.846031] ? do_raw_spin_unlock+0x53/0x220 [ 50.846410] ? _raw_spin_unlock+0x1e/0x40 [ 50.846749] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.847318] ? static_key_count+0x60/0x80 [ 50.847669] prctl_set_seccomp+0x4e/0x70 [ 50.848002] __do_sys_prctl+0xe6c/0x1d70 [ 50.848369] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.848751] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.849174] ? irqentry_exit+0xf3/0x650 [ 50.849524] do_syscall_64+0xbf/0x430 [ 50.849841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.850277] RIP: 0033:0x7fae31cca5cd [ 50.850580] 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 [ 50.852037] RSP: 002b:00007fff3b389440 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.852668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fae31cca5cd [ 50.853240] RDX: 0000560667069e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.853830] RBP: 00007fff3b3894a0 R08: 0000000000000000 R09: 00007fff3b388b40 [ 50.854415] R10: 0000000000000000 R11: 0000000000000246 R12: 00005606956342b0 [ 50.854979] R13: 00007fff3b3898d0 R14: 0000560695636d20 R15: 00005606956488d0 [ 50.855570] [ 50.855765] irq event stamp: 1663 [ 50.856038] hardirqs last enabled at (1671): [] __up_console_sem+0x78/0x80 [ 50.856740] hardirqs last disabled at (1680): [] __up_console_sem+0x5d/0x80 [ 50.857437] softirqs last enabled at (1186): [] handle_softirqs+0x50c/0x770 [ 50.858120] softirqs last disabled at (1171): [] __irq_exit_rcu+0xc4/0x100 [ 50.858803] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31422' (ECDSA) to the list of known hosts. 2025/11/18 07:13:31 fuzzer started 2025/11/18 07:13:32 dialing manager at localhost:37895 2025/11/18 07:13:32 checking machine... 2025/11/18 07:13:32 checking revisions... [ 51.731802] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:13:32 testing simple program... [ 51.827585] cgroup: Unknown subsys name 'net' [ 51.889216] cgroup: Unknown subsys name 'cpuset' [ 51.900969] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:13:31 Registers: info registers vcpu 0 RAX=1ffffd40000e9b23 RBX=ffffea000074d900 RCX=ffffffff81a9cd3f RDX=fffff940000e9b21 RSI=0000000000000008 RDI=ffffea000074d918 RBP=dffffc0000000000 RSP=ffff888016a574f8 R8 =0000000000000000 R9 =fffff940000e9b20 R10=ffffea000074d907 R11=0000000000000001 R12=0000000000000000 R13=ffffea000074d900 R14=0000000000000000 R15=ffffea000074d900 RIP=ffffffff81a9cd9f RFL=00000202 [-------] 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 00007faa5b496900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007faa5b465008 CR3=000000000e4ac000 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 info registers vcpu 1 RAX=0000000000023cbd RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f40bb9a94b0 CR3=000000000c9d9000 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=e6acb31790604baf6845682e3c94fead XMM02=0000000000304f80ec2efd57dc4c00df XMM03=000000000030fbe8ea608498fb3503a1 XMM04=4f974f049cb2805a00000000000ae988 XMM05=83a46b749dc4ff8b0000000000321798 XMM06=474038aa6c007e1f00000000003205b0 XMM07=e042d86d42eb936e0000000000310968 XMM08=ea608498fb3503a10000000000304fe0 XMM09=00000000000000000000000000000000 XMM10=20200000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000