[ 38.923145] ------------[ cut here ]------------ [ 38.924305] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.926333] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.927859] Modules linked in: [ 38.928457] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.930443] Tainted: [W]=WARN [ 38.931042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.932567] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.933449] 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 [ 38.936615] RSP: 0018:ffff888018f17bc0 EFLAGS: 00010286 [ 38.937599] RAX: 0000000000000000 RBX: ffffed10031e2f78 RCX: ffffffff813a4050 [ 38.938903] RDX: ffff888016e93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.940215] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031e2f2f [ 38.941494] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.942774] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018f17df8 [ 38.944079] FS: 00007f6efc581900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.945574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.946639] CR2: 00007f6efca73580 CR3: 000000001e049000 CR4: 0000000000350ef0 [ 38.947911] Call Trace: [ 38.948399] [ 38.948860] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.949771] ? __create_object+0x59/0x80 [ 38.950509] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.951486] __vmalloc_noprof+0x59/0x60 [ 38.952258] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.953150] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.954093] bpf_prog_alloc+0x39/0x200 [ 38.954844] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.955783] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.956702] do_seccomp+0x349/0x25e0 [ 38.957386] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.958306] ? __pfx_do_seccomp+0x10/0x10 [ 38.959097] ? find_held_lock+0x2b/0x80 [ 38.959881] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.960870] ? static_key_count+0x60/0x80 [ 38.961672] prctl_set_seccomp+0x4e/0x70 [ 38.962408] __do_sys_prctl+0xe6c/0x1d70 [ 38.963200] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.964060] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.965036] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.966024] ? irqentry_exit+0xf3/0x650 [ 38.966796] do_syscall_64+0xbf/0x430 [ 38.967497] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.968483] RIP: 0033:0x7f6efca735cd [ 38.969200] 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 [ 38.972366] RSP: 002b:00007ffda89a5440 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.973760] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6efca735cd [ 38.975047] RDX: 0000563507ff6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.976352] RBP: 00007ffda89a54a0 R08: 0000000000000000 R09: 00007ffda89a4b40 [ 38.977681] R10: 0000000000000000 R11: 0000000000000246 R12: 00005635275e1ad0 [ 38.978963] R13: 00007ffda89a58d0 R14: 00005635275e2bc0 R15: 00005635275f3780 [ 38.980298] [ 38.980771] irq event stamp: 1843 [ 38.981389] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 38.982919] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 38.984476] softirqs last enabled at (1810): [] handle_softirqs+0x50c/0x770 [ 38.985600] softirqs last disabled at (1805): [] __irq_exit_rcu+0xc4/0x100 [ 38.986523] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.325753] ------------[ cut here ]------------ [ 41.326656] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.328697] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.330118] Modules linked in: [ 41.330738] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.332952] Tainted: [W]=WARN [ 41.333519] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.334965] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.335872] 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 [ 41.339475] RSP: 0018:ffff888016d57bc0 EFLAGS: 00010286 [ 41.340446] RAX: 0000000000000000 RBX: ffffed1002daaf78 RCX: ffffffff813a4050 [ 41.341718] RDX: ffff888015f68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.342968] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002daaf2f [ 41.344231] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.345520] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d57df8 [ 41.346818] FS: 00007ff4bbb12900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.348244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.349295] CR2: 00007ff4bc004580 CR3: 000000001fb60000 CR4: 0000000000350ef0 [ 41.350569] Call Trace: [ 41.351023] [ 41.351429] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.352339] ? __create_object+0x59/0x80 [ 41.353117] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.354063] __vmalloc_noprof+0x59/0x60 [ 41.354819] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.355679] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.356603] bpf_prog_alloc+0x39/0x200 [ 41.357279] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.358181] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.359065] do_seccomp+0x349/0x25e0 [ 41.359768] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.360660] ? __pfx_do_seccomp+0x10/0x10 [ 41.361389] ? find_held_lock+0x2b/0x80 [ 41.362125] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.363067] ? static_key_count+0x60/0x80 [ 41.363860] prctl_set_seccomp+0x4e/0x70 [ 41.364632] __do_sys_prctl+0xe6c/0x1d70 [ 41.365353] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.366184] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.367121] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.368061] ? irqentry_exit+0xf3/0x650 [ 41.368828] do_syscall_64+0xbf/0x430 [ 41.369507] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.370428] RIP: 0033:0x7ff4bc0045cd [ 41.371118] 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 [ 41.374208] RSP: 002b:00007ffd94d80ea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.375531] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff4bc0045cd [ 41.376806] RDX: 0000559d7149de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.378051] RBP: 00007ffd94d80f00 R08: 0000000000000000 R09: 00007ffd94d805a0 [ 41.379296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559da002ead0 [ 41.380521] R13: 00007ffd94d81330 R14: 0000559da002fbc0 R15: 0000559da0040780 [ 41.381608] [ 41.381955] irq event stamp: 1675 [ 41.382446] hardirqs last enabled at (1683): [] __up_console_sem+0x78/0x80 [ 41.383687] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 41.384942] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 41.386199] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100 [ 41.387433] ---[ end trace 0000000000000000 ]--- [ 42.112103] ------------[ cut here ]------------ [ 42.113049] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.115101] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.116584] Modules linked in: [ 42.117194] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.119228] Tainted: [W]=WARN [ 42.119852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.121373] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.122292] 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 [ 42.125496] RSP: 0018:ffff88800d77fbc0 EFLAGS: 00010286 [ 42.126488] RAX: 0000000000000000 RBX: ffffed1001aeff78 RCX: ffffffff813a4050 [ 42.127799] RDX: ffff8880172f9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.129095] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001aeff2f [ 42.130395] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.131685] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d77fdf8 [ 42.133012] FS: 00007f702239a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.134464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.135565] CR2: 00007fffe1283ef7 CR3: 000000000da0f000 CR4: 0000000000350ef0 [ 42.136901] Call Trace: [ 42.137373] [ 42.137840] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.138756] ? __create_object+0x59/0x80 [ 42.139515] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.140516] __vmalloc_noprof+0x59/0x60 [ 42.141299] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.142183] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.143143] bpf_prog_alloc+0x39/0x200 [ 42.143894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.144865] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.145777] do_seccomp+0x349/0x25e0 [ 42.146458] ? find_held_lock+0x2b/0x80 [ 42.147232] ? do_prlimit+0x310/0x610 [ 42.147997] ? __pfx_do_seccomp+0x10/0x10 [ 42.148822] ? do_raw_spin_unlock+0x53/0x220 [ 42.149684] ? _raw_spin_unlock+0x1e/0x40 [ 42.150444] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.151430] ? static_key_count+0x60/0x80 [ 42.152233] prctl_set_seccomp+0x4e/0x70 [ 42.153027] __do_sys_prctl+0xe6c/0x1d70 [ 42.153832] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.154709] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.155701] ? irqentry_exit+0xf3/0x650 [ 42.156444] do_syscall_64+0xbf/0x430 [ 42.157192] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.158167] RIP: 0033:0x7f702288c5cd [ 42.158886] 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 [ 42.162105] RSP: 002b:00007fffe1282170 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.163472] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f702288c5cd [ 42.164786] RDX: 000055b0e98e3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.166086] RBP: 00007fffe12821d0 R08: 0000000000000000 R09: 00007fffe1281870 [ 42.167376] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b107a9b2b0 [ 42.168695] R13: 00007fffe1282600 R14: 000055b107a9dd20 R15: 000055b107aaf8d0 [ 42.170005] [ 42.170433] irq event stamp: 1739 [ 42.171084] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.172651] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.173716] softirqs last enabled at (1604): [] handle_softirqs+0x50c/0x770 [ 42.174709] softirqs last disabled at (1599): [] __irq_exit_rcu+0xc4/0x100 [ 42.175679] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29589' (ECDSA) to the list of known hosts. 2025/11/17 14:54:17 fuzzer started 2025/11/17 14:54:17 dialing manager at localhost:37895 2025/11/17 14:54:17 checking machine... 2025/11/17 14:54:17 checking revisions... [ 43.250456] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:54:18 testing simple program... [ 43.349503] cgroup: Unknown subsys name 'net' [ 43.423535] cgroup: Unknown subsys name 'cpuset' [ 43.444334] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:54:16 Registers: info registers vcpu 0 RAX=0000000000000082 RBX=0000000000000000 RCX=ffffffff817d97d6 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff84c7256b RBP=0000000000000000 RSP=ffff88801653f600 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81001a53 RFL=00000082 [--S----] 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 00007ff4bbb12900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd94d7b000 CR3=000000001fb24000 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=000000000001871b 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=00000206 [-----P-] 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 fffffe5000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc1a6ee8e8 CR3=0000000005c8a000 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=00007fdce8f0e5100000564f77d72790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000