[ 39.199075] ------------[ cut here ]------------ [ 39.200040] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.202144] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.203652] Modules linked in: [ 39.204272] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.206405] Tainted: [W]=WARN [ 39.206985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.208783] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.209819] 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 [ 39.213188] RSP: 0018:ffff888013f57bc0 EFLAGS: 00010286 [ 39.214243] RAX: 0000000000000000 RBX: ffffed10027eaf78 RCX: ffffffff813a4050 [ 39.215598] RDX: ffff888016258000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.216951] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027eaf2f [ 39.218348] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.219691] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013f57df8 [ 39.221036] FS: 00007fd0143ff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.222573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.223687] CR2: 00007ffc55b4eef8 CR3: 0000000013f1d000 CR4: 0000000000350ef0 [ 39.225042] Call Trace: [ 39.225591] [ 39.226056] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.226999] ? __create_object+0x59/0x80 [ 39.227834] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.228861] __vmalloc_noprof+0x59/0x60 [ 39.229671] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.230618] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.231619] bpf_prog_alloc+0x39/0x200 [ 39.232396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.233306] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.234301] do_seccomp+0x349/0x25e0 [ 39.235071] ? find_held_lock+0x2b/0x80 [ 39.235881] ? do_prlimit+0x310/0x610 [ 39.236675] ? __pfx_do_seccomp+0x10/0x10 [ 39.237509] ? do_raw_spin_unlock+0x53/0x220 [ 39.238405] ? _raw_spin_unlock+0x1e/0x40 [ 39.239185] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.240197] ? static_key_count+0x60/0x80 [ 39.241028] prctl_set_seccomp+0x4e/0x70 [ 39.241862] __do_sys_prctl+0xe6c/0x1d70 [ 39.242691] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.243603] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.244610] ? irqentry_exit+0xf3/0x650 [ 39.245427] do_syscall_64+0xbf/0x430 [ 39.246177] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.247185] RIP: 0033:0x7fd0148f15cd [ 39.247930] 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 [ 39.251260] RSP: 002b:00007ffc55b4dd20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.252708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0148f15cd [ 39.254076] RDX: 000055c21aa15e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.255426] RBP: 00007ffc55b4dd80 R08: 0000000000000000 R09: 00007ffc55b4d420 [ 39.256776] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c23d419ad0 [ 39.258146] R13: 00007ffc55b4e1b0 R14: 000055c23d41abc0 R15: 000055c23d42b780 [ 39.259516] [ 39.259969] irq event stamp: 1841 [ 39.260653] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 39.262277] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 39.263655] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 39.264985] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 39.266275] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.146809] ------------[ cut here ]------------ [ 42.147781] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.149866] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.151399] Modules linked in: [ 42.152025] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.154111] Tainted: [W]=WARN [ 42.154733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.156271] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.157226] 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 [ 42.160566] RSP: 0018:ffff88801571fbc0 EFLAGS: 00010286 [ 42.161606] RAX: 0000000000000000 RBX: ffffed1002ae3f78 RCX: ffffffff813a4050 [ 42.162978] RDX: ffff88800f219bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.164341] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ae3f2f [ 42.165709] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.167079] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801571fdf8 [ 42.168435] FS: 00007f90497d0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.169967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.171082] CR2: 00007ffd628cbef8 CR3: 000000000dd77000 CR4: 0000000000350ef0 [ 42.172435] Call Trace: [ 42.172933] [ 42.173415] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.174382] ? __create_object+0x59/0x80 [ 42.175150] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.176176] __vmalloc_noprof+0x59/0x60 [ 42.176979] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.177930] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.178934] bpf_prog_alloc+0x39/0x200 [ 42.179724] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.180710] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.181670] do_seccomp+0x349/0x25e0 [ 42.182457] ? find_held_lock+0x2b/0x80 [ 42.183216] ? do_prlimit+0x310/0x610 [ 42.184018] ? __pfx_do_seccomp+0x10/0x10 [ 42.184856] ? do_raw_spin_unlock+0x53/0x220 [ 42.185770] ? _raw_spin_unlock+0x1e/0x40 [ 42.186614] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.187627] ? static_key_count+0x60/0x80 [ 42.188478] prctl_set_seccomp+0x4e/0x70 [ 42.189245] __do_sys_prctl+0xe6c/0x1d70 [ 42.190108] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.191022] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.192048] ? irqentry_exit+0xf3/0x650 [ 42.192870] do_syscall_64+0xbf/0x430 [ 42.193651] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.194677] RIP: 0033:0x7f9049cc25cd [ 42.195424] 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 [ 42.198743] RSP: 002b:00007ffd628c95b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.200179] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9049cc25cd [ 42.201533] RDX: 000055d487577e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.202913] RBP: 00007ffd628c9610 R08: 0000000000000000 R09: 00007ffd628c8cb0 [ 42.204271] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d4c3172ad0 [ 42.205616] R13: 00007ffd628c9a40 R14: 000055d4c3173bc0 R15: 000055d4c3184780 [ 42.207016] [ 42.207529] irq event stamp: 2787 [ 42.208171] hardirqs last enabled at (2795): [] __up_console_sem+0x78/0x80 [ 42.209795] hardirqs last disabled at (2804): [] __up_console_sem+0x5d/0x80 [ 42.211389] softirqs last enabled at (2734): [] handle_softirqs+0x50c/0x770 [ 42.213016] softirqs last disabled at (2729): [] __irq_exit_rcu+0xc4/0x100 [ 42.214443] ---[ end trace 0000000000000000 ]--- [ 42.878002] ------------[ cut here ]------------ [ 42.878926] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.881469] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.882932] Modules linked in: [ 42.883572] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.885787] Tainted: [W]=WARN [ 42.886481] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.887959] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.888873] 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 [ 42.892051] RSP: 0018:ffff88801706fbc0 EFLAGS: 00010286 [ 42.893023] RAX: 0000000000000000 RBX: ffffed1002e0df78 RCX: ffffffff813a4050 [ 42.894338] RDX: ffff88801a298000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.895607] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e0df2f [ 42.896909] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.898208] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801706fdf8 [ 42.899479] FS: 00007f022a1db900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.900981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.902050] CR2: 00007fffca185ef8 CR3: 00000000187cb000 CR4: 0000000000350ef0 [ 42.903362] Call Trace: [ 42.903833] [ 42.904247] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.905152] ? __create_object+0x59/0x80 [ 42.905937] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.906925] __vmalloc_noprof+0x59/0x60 [ 42.907685] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.908565] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.909505] bpf_prog_alloc+0x39/0x200 [ 42.910216] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.911147] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.912050] do_seccomp+0x349/0x25e0 [ 42.912771] ? find_held_lock+0x2b/0x80 [ 42.913529] ? do_prlimit+0x310/0x610 [ 42.914257] ? __pfx_do_seccomp+0x10/0x10 [ 42.915054] ? do_raw_spin_unlock+0x53/0x220 [ 42.915887] ? _raw_spin_unlock+0x1e/0x40 [ 42.916690] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.917646] ? static_key_count+0x60/0x80 [ 42.918470] prctl_set_seccomp+0x4e/0x70 [ 42.919209] __do_sys_prctl+0xe6c/0x1d70 [ 42.919992] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.920844] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.921834] ? irqentry_exit+0xf3/0x650 [ 42.922608] do_syscall_64+0xbf/0x430 [ 42.923430] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.924374] RIP: 0033:0x7f022a6cd5cd [ 42.925045] 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 [ 42.928200] RSP: 002b:00007fffca184470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.929559] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f022a6cd5cd [ 42.930856] RDX: 000055e67130fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.932160] RBP: 00007fffca1844d0 R08: 0000000000000000 R09: 00007fffca183b70 [ 42.933428] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e69c0d82b0 [ 42.934683] R13: 00007fffca184900 R14: 000055e69c0dad20 R15: 000055e69c0ec8d0 [ 42.935762] [ 42.936114] irq event stamp: 1869 [ 42.936660] hardirqs last enabled at (1879): [] __up_console_sem+0x78/0x80 [ 42.937944] hardirqs last disabled at (1888): [] __up_console_sem+0x5d/0x80 [ 42.939209] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 42.940492] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 42.941769] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21411' (ECDSA) to the list of known hosts. 2025/11/19 01:34:02 fuzzer started 2025/11/19 01:34:03 dialing manager at localhost:34383 2025/11/19 01:34:03 checking machine... 2025/11/19 01:34:03 checking revisions... [ 43.762450] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:34:03 testing simple program... [ 43.840779] cgroup: Unknown subsys name 'net' [ 43.889043] cgroup: Unknown subsys name 'cpuset' [ 43.901067] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 01:34:02 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000003 RCX=ffffffff84bf0364 RDX=ffff888018461bc0 RSI=0000000000000003 RDI=0000000000000005 RBP=ffffffff85525660 RSP=ffff888015617c58 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000003 R11=0000000000000001 R12=0000000000000003 R13=0000000000000005 R14=0000000000000003 R15=ffffffffffffffff RIP=ffffffff81751796 RFL=00000246 [---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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f90497d0900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9049f4330c CR3=000000001f6d9000 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=6720646572637465733a4d41503d706f 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=1ffff11001ad476f RBX=ffff88800f0d0060 RCX=ffffffff842e1de8 RDX=ffff88801625b780 RSI=ffffffff842e1dfa RDI=0000000000000001 RBP=ffff88800f0d0880 RSP=ffff8880155e79c0 R8 =0000000000000000 R9 =ffffed1001e1a00c R10=0000000000000000 R11=0000000000000001 R12=ffff8880155e7a98 R13=dffffc0000000000 R14=ffff88800d6a3b40 R15=ffff88800f0d0000 RIP=ffffffff81751e00 RFL=00000246 [---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 00007fbee0547900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbedfc5d5e0 CR3=00000000160ed000 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=c6f54fbc23b3c74100000000000ae988 XMM05=007b80b0cf71fdd3000000000031fbe0 XMM06=d96330e2d2db8632000000000031ea98 XMM07=fb795ef6d6577056000000000030dfa0 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000