[ 46.908399] ------------[ cut here ]------------ [ 46.909353] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.911360] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 46.912855] Modules linked in: [ 46.913431] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.915395] Tainted: [W]=WARN [ 46.916004] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.917456] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.918352] 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 [ 46.921524] RSP: 0018:ffff888009e4fbc0 EFLAGS: 00010286 [ 46.922509] RAX: 0000000000000000 RBX: ffffed10013c9f78 RCX: ffffffff813a4050 [ 46.923784] RDX: ffff888016039bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.925063] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013c9f2f [ 46.926346] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.927645] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009e4fdf8 [ 46.928922] FS: 00007fad6dea9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.930359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.931431] CR2: 00007ffc9cb0def8 CR3: 000000000ddf0000 CR4: 0000000000350ef0 [ 46.932731] Call Trace: [ 46.933196] [ 46.933597] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.934474] ? __create_object+0x59/0x80 [ 46.935259] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.936212] __vmalloc_noprof+0x59/0x60 [ 46.936971] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.937821] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.938740] bpf_prog_alloc+0x39/0x200 [ 46.939431] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.940351] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.941250] do_seccomp+0x349/0x25e0 [ 46.941963] ? find_held_lock+0x2b/0x80 [ 46.942723] ? do_prlimit+0x310/0x610 [ 46.943432] ? __pfx_do_seccomp+0x10/0x10 [ 46.944220] ? do_raw_spin_unlock+0x53/0x220 [ 46.945049] ? _raw_spin_unlock+0x1e/0x40 [ 46.945810] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.946758] ? static_key_count+0x60/0x80 [ 46.947523] prctl_set_seccomp+0x4e/0x70 [ 46.948310] __do_sys_prctl+0xe6c/0x1d70 [ 46.949102] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.949963] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.950945] ? irqentry_exit+0xf3/0x650 [ 46.951713] do_syscall_64+0xbf/0x430 [ 46.952415] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.953376] RIP: 0033:0x7fad6e39b5cd [ 46.954088] 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 [ 46.957285] RSP: 002b:00007ffc9cb0c770 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.958663] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fad6e39b5cd [ 46.959969] RDX: 000055f42d22fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.961260] RBP: 00007ffc9cb0c7d0 R08: 0000000000000000 R09: 00007ffc9cb0be70 [ 46.962550] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f447517ad0 [ 46.963854] R13: 00007ffc9cb0cc00 R14: 000055f447518bc0 R15: 000055f447529780 [ 46.965173] [ 46.965646] irq event stamp: 1741 [ 46.966265] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 46.967798] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 46.969331] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 46.970883] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 46.972417] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.230317] ------------[ cut here ]------------ [ 50.230823] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.231882] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.232643] Modules linked in: [ 50.232956] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.233988] Tainted: [W]=WARN [ 50.234278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.235173] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.235651] 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 [ 50.237409] RSP: 0018:ffff888017397bc0 EFLAGS: 00010286 [ 50.237923] RAX: 0000000000000000 RBX: ffffed1002e72f78 RCX: ffffffff813a4050 [ 50.238569] RDX: ffff888016331bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.239247] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e72f2f [ 50.239916] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.240567] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017397df8 [ 50.241245] FS: 00007fa2d1865900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.242006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.242539] CR2: 00007fa2d1d57580 CR3: 000000000e899000 CR4: 0000000000350ef0 [ 50.243222] Call Trace: [ 50.243467] [ 50.243698] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.244137] ? __create_object+0x59/0x80 [ 50.244519] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.245017] __vmalloc_noprof+0x59/0x60 [ 50.245391] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.245841] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.246306] bpf_prog_alloc+0x39/0x200 [ 50.246683] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.247152] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.247591] do_seccomp+0x349/0x25e0 [ 50.247961] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.248408] ? __pfx_do_seccomp+0x10/0x10 [ 50.248812] ? find_held_lock+0x2b/0x80 [ 50.249183] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.249680] ? static_key_count+0x60/0x80 [ 50.250075] prctl_set_seccomp+0x4e/0x70 [ 50.250456] __do_sys_prctl+0xe6c/0x1d70 [ 50.250859] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.251287] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.251783] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.252263] ? irqentry_exit+0xf3/0x650 [ 50.252653] do_syscall_64+0xbf/0x430 [ 50.253015] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.253487] RIP: 0033:0x7fa2d1d575cd [ 50.253851] 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 [ 50.255511] RSP: 002b:00007ffd3ec1b330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.256210] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2d1d575cd [ 50.256864] RDX: 0000561d98564e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.257497] RBP: 00007ffd3ec1b390 R08: 0000000000000000 R09: 00007ffd3ec1aa30 [ 50.258147] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561da3a74b10 [ 50.258818] R13: 00007ffd3ec1b7c0 R14: 0000561da3a752b0 R15: 0000561da3a896f0 [ 50.259479] [ 50.259723] irq event stamp: 1799 [ 50.260033] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 50.260803] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 50.261553] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 50.262348] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 50.263128] ---[ end trace 0000000000000000 ]--- [ 50.952568] ------------[ cut here ]------------ [ 50.953477] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.955422] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/255 [ 50.956863] Modules linked in: [ 50.957428] CPU: 1 UID: 104 PID: 255 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.959347] Tainted: [W]=WARN [ 50.959931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.961338] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.962226] 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 [ 50.965332] RSP: 0018:ffff88800a077bc0 EFLAGS: 00010286 [ 50.966573] RAX: 0000000000000000 RBX: ffffed100140ef78 RCX: ffffffff813a4050 [ 50.968239] RDX: ffff88801636b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.969848] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100140ef2f [ 50.971149] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.972407] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a077df8 [ 50.973700] FS: 00007f21f171a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.975172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.976259] CR2: 00007ffd1dde8ef8 CR3: 000000000e426000 CR4: 0000000000350ef0 [ 50.977638] Call Trace: [ 50.978230] [ 50.978705] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.979561] ? __create_object+0x59/0x80 [ 50.980338] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.981287] __vmalloc_noprof+0x59/0x60 [ 50.982029] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.982891] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.983823] bpf_prog_alloc+0x39/0x200 [ 50.984506] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.985424] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.986304] do_seccomp+0x349/0x25e0 [ 50.987010] ? find_held_lock+0x2b/0x80 [ 50.987776] ? do_prlimit+0x310/0x610 [ 50.988468] ? __pfx_do_seccomp+0x10/0x10 [ 50.989305] ? do_raw_spin_unlock+0x53/0x220 [ 50.990194] ? _raw_spin_unlock+0x1e/0x40 [ 50.991015] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.992028] ? static_key_count+0x60/0x80 [ 50.992867] prctl_set_seccomp+0x4e/0x70 [ 50.993682] __do_sys_prctl+0xe6c/0x1d70 [ 50.994443] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.995335] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.996338] ? irqentry_exit+0xf3/0x650 [ 50.997139] do_syscall_64+0xbf/0x430 [ 50.997930] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.998949] RIP: 0033:0x7f21f1c0c5cd [ 50.999715] 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 [ 51.002928] RSP: 002b:00007ffd1dde65a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.004408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21f1c0c5cd [ 51.005666] RDX: 0000564fcf056e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.006919] RBP: 00007ffd1dde6600 R08: 0000000000000000 R09: 00007ffd1dde5ca0 [ 51.008197] R10: 0000000000000000 R11: 0000000000000246 R12: 000056500d4d92b0 [ 51.009450] R13: 00007ffd1dde6a30 R14: 000056500d4dbd20 R15: 000056500d4ed8d0 [ 51.010719] [ 51.011145] irq event stamp: 1795 [ 51.011799] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 51.013290] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 51.014785] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 51.016303] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 51.017513] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6215' (ECDSA) to the list of known hosts. 2025/11/18 23:13:57 fuzzer started 2025/11/18 23:13:57 dialing manager at localhost:34383 2025/11/18 23:13:57 checking machine... 2025/11/18 23:13:57 checking revisions... [ 51.873589] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:13:57 testing simple program... [ 51.946928] cgroup: Unknown subsys name 'net' [ 52.021164] cgroup: Unknown subsys name 'cpuset' [ 52.038853] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:13:56 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce3c2f0 RCX=0000000000000040 RDX=ffff88801798f7d8 RSI=ffff888008c4a900 RDI=ffff888008c4b780 RBP=ffff88801798f820 RSP=ffff88801798f730 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=ffff88806ce3c2d0 R13=ffff888008c4b780 R14=ffff888008c4b780 R15=ffff888008c4b780 RIP=ffffffff81ab37dc RFL=00000206 [-----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 00007fa2d1865900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa2d1844020 CR3=000000000d070000 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=00000000000249e9 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f13aeeeb028 CR3=000000000d013000 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=05e855c4dcf525a12b4d80bf3ee58939 XMM02=ec2efd57dc4c00df00000000003035c8 XMM03=79c39292e15ca7b10000000000303698 XMM04=5fa69c485bd778fa00000000000ae988 XMM05=f6f26eb69d5d053d000000000031e908 XMM06=280a1d610a8a97f1000000000031e790 XMM07=e042d86d42eb936e000000000030eeb8 XMM08=79c39292e15ca7b10000000000303698 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000