[ 39.198462] ------------[ cut here ]------------ [ 39.199388] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.201395] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.202829] Modules linked in: [ 39.203470] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.205681] Tainted: [W]=WARN [ 39.206348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.207818] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.208719] 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 [ 39.211849] RSP: 0018:ffff88800b607bc0 EFLAGS: 00010286 [ 39.212820] RAX: 0000000000000000 RBX: ffffed10016c0f78 RCX: ffffffff813a4050 [ 39.214091] RDX: ffff888016353780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.215370] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10016c0f2f [ 39.216638] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.217912] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b607df8 [ 39.219194] FS: 00007f3a2e1c7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.220648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.221701] CR2: 00007ffdd244bef8 CR3: 000000001b9f5000 CR4: 0000000000350ef0 [ 39.222977] Call Trace: [ 39.223507] [ 39.223918] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.224808] ? __create_object+0x59/0x80 [ 39.225601] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.226571] __vmalloc_noprof+0x59/0x60 [ 39.227333] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.228151] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.229079] bpf_prog_alloc+0x39/0x200 [ 39.229819] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.230740] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.231648] do_seccomp+0x349/0x25e0 [ 39.232359] ? find_held_lock+0x2b/0x80 [ 39.233064] ? do_prlimit+0x310/0x610 [ 39.233797] ? __pfx_do_seccomp+0x10/0x10 [ 39.234567] ? do_raw_spin_unlock+0x53/0x220 [ 39.235407] ? _raw_spin_unlock+0x1e/0x40 [ 39.236141] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.237092] ? static_key_count+0x60/0x80 [ 39.237872] prctl_set_seccomp+0x4e/0x70 [ 39.238638] __do_sys_prctl+0xe6c/0x1d70 [ 39.239431] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.240293] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.241200] ? irqentry_exit+0xf3/0x650 [ 39.241974] do_syscall_64+0xbf/0x430 [ 39.242703] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.243658] RIP: 0033:0x7f3a2e6b95cd [ 39.244357] 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 [ 39.247490] RSP: 002b:00007ffdd24499e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.248844] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a2e6b95cd [ 39.250121] RDX: 000055f2b5376e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.251405] RBP: 00007ffdd2449a40 R08: 0000000000000000 R09: 00007ffdd24490e0 [ 39.252680] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f2ca2e3ad0 [ 39.253957] R13: 00007ffdd2449e70 R14: 000055f2ca2e4bc0 R15: 000055f2ca2f5780 [ 39.255326] [ 39.255762] irq event stamp: 1863 [ 39.256412] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 39.257925] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 39.259430] softirqs last enabled at (1852): [] handle_softirqs+0x50c/0x770 [ 39.260956] softirqs last disabled at (1835): [] __irq_exit_rcu+0xc4/0x100 [ 39.262450] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.090969] ------------[ cut here ]------------ [ 42.091895] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.093893] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.095394] Modules linked in: [ 42.095990] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.097949] Tainted: [W]=WARN [ 42.098551] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.100021] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.100944] 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 [ 42.104118] RSP: 0018:ffff888016cdfbc0 EFLAGS: 00010286 [ 42.105086] RAX: 0000000000000000 RBX: ffffed1002d9bf78 RCX: ffffffff813a4050 [ 42.106385] RDX: ffff88801732b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.107698] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9bf2f [ 42.108994] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.110280] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cdfdf8 [ 42.111596] FS: 00007f7d49581900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.113042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.114116] CR2: 00007f7d49a73580 CR3: 000000002089d000 CR4: 0000000000350ef0 [ 42.115439] Call Trace: [ 42.115908] [ 42.116355] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.117260] ? __create_object+0x59/0x80 [ 42.118008] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.118998] __vmalloc_noprof+0x59/0x60 [ 42.119763] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.120645] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.121594] bpf_prog_alloc+0x39/0x200 [ 42.122335] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.123287] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.124133] do_seccomp+0x349/0x25e0 [ 42.124854] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.125762] ? __pfx_do_seccomp+0x10/0x10 [ 42.126559] ? find_held_lock+0x2b/0x80 [ 42.127338] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.128314] ? static_key_count+0x60/0x80 [ 42.129070] prctl_set_seccomp+0x4e/0x70 [ 42.129848] __do_sys_prctl+0xe6c/0x1d70 [ 42.130616] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.131488] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.132447] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.133403] ? irqentry_exit+0xf3/0x650 [ 42.134131] do_syscall_64+0xbf/0x430 [ 42.134868] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.135831] RIP: 0033:0x7f7d49a735cd [ 42.136542] 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 [ 42.139705] RSP: 002b:00007ffc1ae34dc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.141053] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d49a735cd [ 42.142367] RDX: 0000561c30cc5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.143659] RBP: 00007ffc1ae34e20 R08: 0000000000000000 R09: 00007ffc1ae344c0 [ 42.144924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c5bcc4b10 [ 42.146200] R13: 00007ffc1ae35250 R14: 0000561c5bcc52b0 R15: 0000561c5bcd96f0 [ 42.147530] [ 42.147955] irq event stamp: 1797 [ 42.148603] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 42.150120] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 42.151653] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 42.153192] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 42.154719] ---[ end trace 0000000000000000 ]--- [ 42.894440] ------------[ cut here ]------------ [ 42.895376] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.897588] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.899255] Modules linked in: [ 42.899850] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.901984] Tainted: [W]=WARN [ 42.902579] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.904047] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.904959] 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 [ 42.908268] RSP: 0018:ffff88801c47fbc0 EFLAGS: 00010286 [ 42.909234] RAX: 0000000000000000 RBX: ffffed100388ff78 RCX: ffffffff813a4050 [ 42.910491] RDX: ffff888016350000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.911759] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100388ff2f [ 42.913124] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.914675] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c47fdf8 [ 42.916092] FS: 00007f4acb6c1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.917523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.918575] CR2: 00007f4acbbb3580 CR3: 00000000208b4000 CR4: 0000000000350ef0 [ 42.919870] Call Trace: [ 42.920373] [ 42.920787] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.921682] ? __create_object+0x59/0x80 [ 42.922464] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.923453] __vmalloc_noprof+0x59/0x60 [ 42.924157] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.925017] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.925971] bpf_prog_alloc+0x39/0x200 [ 42.926435] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.927008] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.927571] do_seccomp+0x349/0x25e0 [ 42.927971] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.928487] ? __pfx_do_seccomp+0x10/0x10 [ 42.928928] ? find_held_lock+0x2b/0x80 [ 42.929359] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.929893] ? static_key_count+0x60/0x80 [ 42.930357] prctl_set_seccomp+0x4e/0x70 [ 42.930784] __do_sys_prctl+0xe6c/0x1d70 [ 42.931237] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.931706] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.932257] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.932795] ? irqentry_exit+0xf3/0x650 [ 42.933235] do_syscall_64+0xbf/0x430 [ 42.933648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.934179] RIP: 0033:0x7f4acbbb35cd [ 42.934578] 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 [ 42.936428] RSP: 002b:00007ffd9210f8f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.937200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4acbbb35cd [ 42.937947] RDX: 00005601bd8f7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.938687] RBP: 00007ffd9210f950 R08: 0000000000000000 R09: 00007ffd9210eff0 [ 42.939439] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601d7436b10 [ 42.940165] R13: 00007ffd9210fd80 R14: 00005601d74372b0 R15: 00005601d744b6f0 [ 42.940918] [ 42.941162] irq event stamp: 1745 [ 42.941534] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 42.942423] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.943314] softirqs last enabled at (1422): [] handle_softirqs+0x50c/0x770 [ 42.944199] softirqs last disabled at (1415): [] __irq_exit_rcu+0xc4/0x100 [ 42.945080] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36565' (ECDSA) to the list of known hosts. 2025/11/18 04:03:52 fuzzer started [ 43.538403] gcc (261) used greatest stack depth: 24736 bytes left 2025/11/18 04:03:52 dialing manager at localhost:37895 2025/11/18 04:03:52 checking machine... 2025/11/18 04:03:52 checking revisions... [ 43.748370] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:03:52 testing simple program... [ 43.828175] cgroup: Unknown subsys name 'net' [ 43.888614] cgroup: Unknown subsys name 'cpuset' [ 43.906731] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:03:51 Registers: info registers vcpu 0 RAX=ffff88800b95b640 RBX=ffff88800b95b6c0 RCX=ffffffff819de7db RDX=0000000000000000 RSI=0000000000000004 RDI=0000000040000001 RBP=0000000040000001 RSP=ffff8880161e79f8 R8 =0000000000000000 R9 =ffffed100172b6d8 R10=ffff88800b95b6c3 R11=0000000000000001 R12=0000000000000002 R13=0000000040000001 R14=dffffc0000000000 R15=0000000000000000 RIP=ffffffff819de80a 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 00007f7d49581900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7d49560020 CR3=00000000208b4000 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=00000000000241d9 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=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 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcb6f0d948 CR3=000000000e829000 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=2031353a33303a343020383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031353a33303a3430203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000