[ 39.578688] ------------[ cut here ]------------ [ 39.579703] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.581750] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.583340] Modules linked in: [ 39.584080] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.586349] Tainted: [W]=WARN [ 39.587027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.588649] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.589656] 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 [ 39.593000] RSP: 0018:ffff888016d7fbc0 EFLAGS: 00010286 [ 39.593967] RAX: 0000000000000000 RBX: ffffed1002daff78 RCX: ffffffff813a4050 [ 39.595437] RDX: ffff88801bcd9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.596855] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002daff2f [ 39.598368] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.599887] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d7fdf8 [ 39.601392] FS: 00007f898e30a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.603057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.604229] CR2: 00007ffe9ea9def7 CR3: 000000000c4f1000 CR4: 0000000000350ef0 [ 39.605655] Call Trace: [ 39.606224] [ 39.606638] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.607586] ? __create_object+0x59/0x80 [ 39.608492] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.609564] __vmalloc_noprof+0x59/0x60 [ 39.610404] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.611401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.612461] bpf_prog_alloc+0x39/0x200 [ 39.613320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.614342] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.615321] do_seccomp+0x349/0x25e0 [ 39.616201] ? find_held_lock+0x2b/0x80 [ 39.617095] ? do_prlimit+0x310/0x610 [ 39.617880] ? __pfx_do_seccomp+0x10/0x10 [ 39.618744] ? do_raw_spin_unlock+0x53/0x220 [ 39.619701] ? _raw_spin_unlock+0x1e/0x40 [ 39.620606] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.621646] ? static_key_count+0x60/0x80 [ 39.622521] prctl_set_seccomp+0x4e/0x70 [ 39.623388] __do_sys_prctl+0xe6c/0x1d70 [ 39.624291] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.625223] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.626272] ? irqentry_exit+0xf3/0x650 [ 39.627183] do_syscall_64+0xbf/0x430 [ 39.628036] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.629047] RIP: 0033:0x7f898e7fc5cd [ 39.629789] 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 [ 39.633035] RSP: 002b:00007ffe9ea9bb70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.634435] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f898e7fc5cd [ 39.635724] RDX: 000055fcea162e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.636991] RBP: 00007ffe9ea9bbd0 R08: 0000000000000000 R09: 00007ffe9ea9b270 [ 39.638123] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fd1426c2b0 [ 39.639249] R13: 00007ffe9ea9c000 R14: 000055fd1426ed20 R15: 000055fd142808d0 [ 39.640409] [ 39.640788] irq event stamp: 1743 [ 39.641363] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 39.642701] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 39.644049] softirqs last enabled at (1680): [] handle_softirqs+0x50c/0x770 [ 39.645398] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 39.646729] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.149363] ------------[ cut here ]------------ [ 43.150294] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.152322] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 43.153791] Modules linked in: [ 43.154430] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.156437] Tainted: [W]=WARN [ 43.157028] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.158503] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.159427] 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 [ 43.162623] RSP: 0018:ffff8880168b7bc0 EFLAGS: 00010286 [ 43.163612] RAX: 0000000000000000 RBX: ffffed1002d16f78 RCX: ffffffff813a4050 [ 43.164917] RDX: ffff88801bd1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.166218] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d16f2f [ 43.167511] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.168819] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168b7df8 [ 43.170116] FS: 00007f35f5148900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.171545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.172604] CR2: 00007ffd4542aef7 CR3: 000000000e329000 CR4: 0000000000350ef0 [ 43.173871] Call Trace: [ 43.174373] [ 43.174780] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.175664] ? __create_object+0x59/0x80 [ 43.176454] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.177408] __vmalloc_noprof+0x59/0x60 [ 43.178155] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.178967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.179895] bpf_prog_alloc+0x39/0x200 [ 43.180641] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.181561] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.182455] do_seccomp+0x349/0x25e0 [ 43.183274] ? find_held_lock+0x2b/0x80 [ 43.184180] ? do_prlimit+0x310/0x610 [ 43.185031] ? __pfx_do_seccomp+0x10/0x10 [ 43.185881] ? do_raw_spin_unlock+0x53/0x220 [ 43.186835] ? _raw_spin_unlock+0x1e/0x40 [ 43.187743] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.188873] ? static_key_count+0x60/0x80 [ 43.189809] prctl_set_seccomp+0x4e/0x70 [ 43.190719] __do_sys_prctl+0xe6c/0x1d70 [ 43.191619] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.192614] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.193727] ? irqentry_exit+0xf3/0x650 [ 43.194608] do_syscall_64+0xbf/0x430 [ 43.195470] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.196585] RIP: 0033:0x7f35f563a5cd [ 43.197411] 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 [ 43.201085] RSP: 002b:00007ffd45428cb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.202665] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35f563a5cd [ 43.204148] RDX: 000055974ede8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.205639] RBP: 00007ffd45428d10 R08: 0000000000000000 R09: 00007ffd454283b0 [ 43.207124] R10: 0000000000000000 R11: 0000000000000246 R12: 00005597692d8ad0 [ 43.208625] R13: 00007ffd45429140 R14: 00005597692d9bc0 R15: 00005597692ea780 [ 43.210119] [ 43.210606] irq event stamp: 1805 [ 43.211352] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 43.213116] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 43.214868] softirqs last enabled at (1358): [] handle_softirqs+0x50c/0x770 [ 43.216561] softirqs last disabled at (1353): [] __irq_exit_rcu+0xc4/0x100 [ 43.217793] ---[ end trace 0000000000000000 ]--- [ 44.015698] ------------[ cut here ]------------ [ 44.016612] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 44.018625] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 44.020113] Modules linked in: [ 44.020701] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 44.022878] Tainted: [W]=WARN [ 44.023462] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.024958] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 44.025869] 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 [ 44.029042] RSP: 0018:ffff888014267bc0 EFLAGS: 00010286 [ 44.030042] RAX: 0000000000000000 RBX: ffffed100284cf78 RCX: ffffffff813a4050 [ 44.031342] RDX: ffff888016198000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 44.032636] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100284cf2f [ 44.033930] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 44.035206] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014267df8 [ 44.036529] FS: 00007f7c1b723900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 44.037963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.039042] CR2: 00007f7c1bc15580 CR3: 00000000202d6000 CR4: 0000000000350ef0 [ 44.040342] Call Trace: [ 44.040806] [ 44.041246] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 44.042146] ? __create_object+0x59/0x80 [ 44.042884] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.043846] __vmalloc_noprof+0x59/0x60 [ 44.044606] bpf_prog_alloc_no_stats+0x55/0x470 [ 44.045464] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.046382] bpf_prog_alloc+0x39/0x200 [ 44.047142] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.048092] bpf_prog_create_from_user+0xb2/0x2f0 [ 44.048949] do_seccomp+0x349/0x25e0 [ 44.049675] ? __pfx_css_rstat_updated+0x10/0x10 [ 44.050561] ? __pfx_do_seccomp+0x10/0x10 [ 44.051357] ? find_held_lock+0x2b/0x80 [ 44.052122] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 44.053101] ? static_key_count+0x60/0x80 [ 44.053862] prctl_set_seccomp+0x4e/0x70 [ 44.054640] __do_sys_prctl+0xe6c/0x1d70 [ 44.055434] ? __pfx___do_sys_prctl+0x10/0x10 [ 44.056318] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.057293] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 44.058280] ? irqentry_exit+0xf3/0x650 [ 44.059050] do_syscall_64+0xbf/0x430 [ 44.059752] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.060705] RIP: 0033:0x7f7c1bc155cd [ 44.061421] 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 [ 44.064623] RSP: 002b:00007ffe9354f850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 44.065996] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c1bc155cd [ 44.067274] RDX: 0000563946072e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 44.068576] RBP: 00007ffe9354f8b0 R08: 0000000000000000 R09: 00007ffe9354ef50 [ 44.069848] R10: 0000000000000000 R11: 0000000000000246 R12: 000056395802bad0 [ 44.071138] R13: 00007ffe9354fce0 R14: 000056395802cbc0 R15: 000056395803d780 [ 44.072457] [ 44.072884] irq event stamp: 1765 [ 44.073542] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 44.075078] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 44.076592] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 44.078134] softirqs last disabled at (1615): [] __irq_exit_rcu+0xc4/0x100 [ 44.079658] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57733' (ECDSA) to the list of known hosts. 2025/11/18 16:24:38 fuzzer started 2025/11/18 16:24:38 dialing manager at localhost:34383 2025/11/18 16:24:38 checking machine... 2025/11/18 16:24:38 checking revisions... [ 44.942643] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:24:38 testing simple program... [ 45.037764] cgroup: Unknown subsys name 'net' [ 45.107499] cgroup: Unknown subsys name 'cpuset' [ 45.124802] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:24:38 Registers: info registers vcpu 0 RAX=ffffffff81b2d6aa RBX=ffffffff81619130 RCX=ffff888009627794 RDX=1ffff110012c4f13 RSI=ffffffff81b2d6aa RDI=ffff888009627908 RBP=ffff8880096278d8 RSP=ffff888009627838 R8 =ffffffff86ab8488 R9 =ffff888009627880 R10=000000000003c9ed R11=00000000000255cb R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888008c4b780 RIP=ffffffff81619134 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 0000000000000000 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=00007f82901ba000 CR3=000000000cd0b000 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=e1bcfc8fce3eeb2500000000000ae988 XMM05=a4d7a9f47c6e9bf90000000000322d08 XMM06=067a0fee8604a4b600000000003214f8 XMM07=fb795ef6d65770560000000000311b68 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000014 RBX=1ffff11002daffa8 RCX=ffffffff814348c6 RDX=ffff88800ae7b780 RSI=ffffffff83c6e03c RDI=0000000000000005 RBP=ffff88800c8016c0 RSP=ffff888016d7fd20 R8 =0000000000000001 R9 =ffffed1002e56490 R10=000000000000001a R11=0000000000000001 R12=0000000000000014 R13=ffff888016d7fd70 R14=ffff888018fb3f40 R15=ffff88800c8016c0 RIP=ffffffff81751e10 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 00007f35f5148900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd45422000 CR3=0000000009bf1000 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