[ 46.482206] ------------[ cut here ]------------ [ 46.483171] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.485413] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.486955] Modules linked in: [ 46.487565] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.489583] Tainted: [W]=WARN [ 46.490191] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.491701] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.492628] 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 [ 46.495884] RSP: 0018:ffff8880160bfbc0 EFLAGS: 00010286 [ 46.496886] RAX: 0000000000000000 RBX: ffffed1002c17f78 RCX: ffffffff813a4050 [ 46.498192] RDX: ffff888016aa3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.499505] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c17f2f [ 46.500809] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.502113] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880160bfdf8 [ 46.503428] FS: 00007fce03d70900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.504892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.505967] CR2: 00007ffe6d52bef7 CR3: 000000001741f000 CR4: 0000000000350ef0 [ 46.507282] Call Trace: [ 46.507761] [ 46.508216] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.509140] ? __create_object+0x59/0x80 [ 46.509934] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.510922] __vmalloc_noprof+0x59/0x60 [ 46.511656] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.512547] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.513490] bpf_prog_alloc+0x39/0x200 [ 46.514238] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.515198] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.516111] do_seccomp+0x349/0x25e0 [ 46.516840] ? find_held_lock+0x2b/0x80 [ 46.517559] ? do_prlimit+0x310/0x610 [ 46.518295] ? __pfx_do_seccomp+0x10/0x10 [ 46.519060] ? do_raw_spin_unlock+0x53/0x220 [ 46.519885] ? _raw_spin_unlock+0x1e/0x40 [ 46.520608] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.521576] ? static_key_count+0x60/0x80 [ 46.522369] prctl_set_seccomp+0x4e/0x70 [ 46.523144] __do_sys_prctl+0xe6c/0x1d70 [ 46.523957] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.524752] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.525701] ? irqentry_exit+0xf3/0x650 [ 46.526458] do_syscall_64+0xbf/0x430 [ 46.527192] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.528131] RIP: 0033:0x7fce042625cd [ 46.528826] 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 [ 46.531968] RSP: 002b:00007ffe6d529f10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.533305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce042625cd [ 46.534568] RDX: 0000561e010ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.535857] RBP: 00007ffe6d529f70 R08: 0000000000000000 R09: 00007ffe6d529610 [ 46.537123] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561e17c9cad0 [ 46.538371] R13: 00007ffe6d52a3a0 R14: 0000561e17c9dbc0 R15: 0000561e17cae780 [ 46.539688] [ 46.540159] irq event stamp: 1809 [ 46.540765] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 46.542287] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 46.543797] softirqs last enabled at (1364): [] handle_softirqs+0x50c/0x770 [ 46.545310] softirqs last disabled at (1359): [] __irq_exit_rcu+0xc4/0x100 [ 46.546793] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.080037] ------------[ cut here ]------------ [ 49.080835] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.082586] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 49.083915] Modules linked in: [ 49.084428] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.086340] Tainted: [W]=WARN [ 49.086914] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.088211] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.089000] 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 [ 49.091744] RSP: 0018:ffff88801b477bc0 EFLAGS: 00010286 [ 49.092574] RAX: 0000000000000000 RBX: ffffed100368ef78 RCX: ffffffff813a4050 [ 49.093673] RDX: ffff8880168d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.094769] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100368ef2f [ 49.095920] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.097015] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b477df8 [ 49.098141] FS: 00007fb02b00c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.099390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.100300] CR2: 00007ffdabe17ef7 CR3: 000000001c4ed000 CR4: 0000000000350ef0 [ 49.101398] Call Trace: [ 49.101829] [ 49.102180] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.102956] ? __create_object+0x59/0x80 [ 49.103602] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.104429] __vmalloc_noprof+0x59/0x60 [ 49.105072] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.105818] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.106573] bpf_prog_alloc+0x39/0x200 [ 49.107193] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.108003] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.108730] do_seccomp+0x349/0x25e0 [ 49.109339] ? find_held_lock+0x2b/0x80 [ 49.109980] ? do_prlimit+0x310/0x610 [ 49.110578] ? __pfx_do_seccomp+0x10/0x10 [ 49.111257] ? do_raw_spin_unlock+0x53/0x220 [ 49.111974] ? _raw_spin_unlock+0x1e/0x40 [ 49.112600] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.113420] ? static_key_count+0x60/0x80 [ 49.114104] prctl_set_seccomp+0x4e/0x70 [ 49.114720] __do_sys_prctl+0xe6c/0x1d70 [ 49.115392] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.116123] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.116946] ? irqentry_exit+0xf3/0x650 [ 49.117559] do_syscall_64+0xbf/0x430 [ 49.118182] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.118988] RIP: 0033:0x7fb02b4fe5cd [ 49.119555] 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 [ 49.122236] RSP: 002b:00007ffdabe16630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.123377] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb02b4fe5cd [ 49.124453] RDX: 0000564776377e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.125516] RBP: 00007ffdabe16690 R08: 0000000000000000 R09: 00007ffdabe15d30 [ 49.126579] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647a00302b0 [ 49.127660] R13: 00007ffdabe16ac0 R14: 00005647a0032d20 R15: 00005647a00448d0 [ 49.128753] [ 49.129140] irq event stamp: 1819 [ 49.129648] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 49.130927] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 49.132213] softirqs last enabled at (1448): [] handle_softirqs+0x50c/0x770 [ 49.133509] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 49.134795] ---[ end trace 0000000000000000 ]--- [ 49.985145] ------------[ cut here ]------------ [ 49.985707] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.986996] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.987944] Modules linked in: [ 49.988325] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.989597] Tainted: [W]=WARN [ 49.989974] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.990917] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.991479] 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 [ 49.993708] RSP: 0018:ffff888019dafbc0 EFLAGS: 00010286 [ 49.994387] RAX: 0000000000000000 RBX: ffffed10033b5f78 RCX: ffffffff813a4050 [ 49.995222] RDX: ffff888016e9b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.996059] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033b5f2f [ 49.996889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.997674] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019dafdf8 [ 49.998501] FS: 00007ffba39fb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.999417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.000102] CR2: 00007ffdd1a85ef7 CR3: 000000000d044000 CR4: 0000000000350ef0 [ 50.000921] Call Trace: [ 50.001225] [ 50.001480] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.002048] ? __create_object+0x59/0x80 [ 50.002523] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.003128] __vmalloc_noprof+0x59/0x60 [ 50.003585] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.004143] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.004727] bpf_prog_alloc+0x39/0x200 [ 50.005212] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.005797] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.006348] do_seccomp+0x349/0x25e0 [ 50.006807] ? find_held_lock+0x2b/0x80 [ 50.007272] ? do_prlimit+0x310/0x610 [ 50.007715] ? __pfx_do_seccomp+0x10/0x10 [ 50.008221] ? do_raw_spin_unlock+0x53/0x220 [ 50.008717] ? _raw_spin_unlock+0x1e/0x40 [ 50.009224] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.009832] ? static_key_count+0x60/0x80 [ 50.010328] prctl_set_seccomp+0x4e/0x70 [ 50.010816] __do_sys_prctl+0xe6c/0x1d70 [ 50.011290] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.011829] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.012425] ? irqentry_exit+0xf3/0x650 [ 50.012908] do_syscall_64+0xbf/0x430 [ 50.013351] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.013962] RIP: 0033:0x7ffba3eed5cd [ 50.014385] 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 [ 50.016441] RSP: 002b:00007ffdd1a842b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.017322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffba3eed5cd [ 50.018166] RDX: 0000559626d1ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.018990] RBP: 00007ffdd1a84310 R08: 0000000000000000 R09: 00007ffdd1a839b0 [ 50.019833] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559654f70ad0 [ 50.020631] R13: 00007ffdd1a84740 R14: 0000559654f71bc0 R15: 0000559654f82780 [ 50.021471] [ 50.021741] irq event stamp: 1821 [ 50.022153] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 50.023134] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 50.024106] softirqs last enabled at (1414): [] handle_softirqs+0x50c/0x770 [ 50.024925] softirqs last disabled at (1393): [] __irq_exit_rcu+0xc4/0x100 [ 50.025714] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36089' (ECDSA) to the list of known hosts. 2025/11/19 00:15:47 fuzzer started 2025/11/19 00:15:48 dialing manager at localhost:34383 2025/11/19 00:15:48 checking machine... 2025/11/19 00:15:48 checking revisions... [ 50.903477] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:15:48 testing simple program... [ 50.989844] cgroup: Unknown subsys name 'net' [ 51.033208] cgroup: Unknown subsys name 'cpuset' [ 51.047443] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:15:47 Registers: info registers vcpu 0 RAX=0000607f1a87ba80 RBX=0000000000000040 RCX=1ffff110012988f1 RDX=1ffff110012988f0 RSI=0000000000000000 RDI=ffff8880094c4788 RBP=ffff8880094c47c0 RSP=ffff888009627a58 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00000000ffffed40 R13=ffff88807ffdc640 R14=ffff8880094b23f0 R15=ffffffffffffed40 RIP=ffffffff81b47fea RFL=00000207 [-----PC] 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 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb02afd1008 CR3=0000000009f6e000 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=0000000000000000 RBX=ffff8880098388e0 RCX=ffffffff81b8b848 RDX=ffff888017e4b780 RSI=ffffffff81c2d2ca RDI=ffff8880098388e0 RBP=ffff88801304ca80 RSP=ffff888017ecfda0 R8 =0000000000000000 R9 =ffffed1001277e7a R10=0000000000000000 R11=0000000000000001 R12=ffff88801304cac0 R13=0000000000000001 R14=0000000000008000 R15=ffff88801afc95a8 RIP=ffffffff81c2d2ca RFL=00000293 [--S-A-C] 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 00007fb02b00c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f841bd80000 CR3=0000000009f6e000 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=2037343a35313a303020393120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036343a35313a3030203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000