[ 45.886413] ------------[ cut here ]------------ [ 45.887432] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.889714] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 45.891328] Modules linked in: [ 45.892013] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.894170] Tainted: [W]=WARN [ 45.894808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.896406] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.897391] 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 [ 45.900785] RSP: 0018:ffff88801aed7bc0 EFLAGS: 00010286 [ 45.901837] RAX: 0000000000000000 RBX: ffffed10035daf78 RCX: ffffffff813a4050 [ 45.903209] RDX: ffff888015880000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.904590] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035daf2f [ 45.905948] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.907309] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aed7df8 [ 45.908694] FS: 00007f06bc862900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.910228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.911345] CR2: 00007f06bcd54580 CR3: 000000000e3a7000 CR4: 0000000000350ef0 [ 45.912728] Call Trace: [ 45.913220] [ 45.913704] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.914656] ? __create_object+0x59/0x80 [ 45.915428] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.916452] __vmalloc_noprof+0x59/0x60 [ 45.917232] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.918131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.919105] bpf_prog_alloc+0x39/0x200 [ 45.919877] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.920892] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.921843] do_seccomp+0x349/0x25e0 [ 45.922597] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.923544] ? __pfx_do_seccomp+0x10/0x10 [ 45.924328] ? find_held_lock+0x2b/0x80 [ 45.925130] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.926143] ? static_key_count+0x60/0x80 [ 45.926986] prctl_set_seccomp+0x4e/0x70 [ 45.927808] __do_sys_prctl+0xe6c/0x1d70 [ 45.928642] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.929549] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.930572] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.931596] ? irqentry_exit+0xf3/0x650 [ 45.932365] do_syscall_64+0xbf/0x430 [ 45.933148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.934209] RIP: 0033:0x7f06bcd545cd [ 45.934980] 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 [ 45.938688] RSP: 002b:00007ffc549eeb10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.940317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06bcd545cd [ 45.941856] RDX: 000055a97ad36e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.943372] RBP: 00007ffc549eeb70 R08: 0000000000000000 R09: 00007ffc549ee210 [ 45.944901] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a996ea5ad0 [ 45.946438] R13: 00007ffc549eefa0 R14: 000055a996ea6bc0 R15: 000055a996eb7780 [ 45.947978] [ 45.948529] irq event stamp: 1799 [ 45.949210] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 45.950716] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 45.952257] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 45.953796] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 45.955292] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.088353] ------------[ cut here ]------------ [ 49.089257] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.091233] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.092679] Modules linked in: [ 49.093259] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.095191] Tainted: [W]=WARN [ 49.095764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.097224] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.098137] 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 [ 49.101270] RSP: 0018:ffff88800ec3fbc0 EFLAGS: 00010286 [ 49.102233] RAX: 0000000000000000 RBX: ffffed1001d87f78 RCX: ffffffff813a4050 [ 49.103509] RDX: ffff88801a845340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.104764] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d87f2f [ 49.106017] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.107267] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ec3fdf8 [ 49.108549] FS: 00007f7945a2c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.109960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.111003] CR2: 00007f7945f924a6 CR3: 000000000b967000 CR4: 0000000000350ef0 [ 49.112259] Call Trace: [ 49.112768] [ 49.113172] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.114058] ? __create_object+0x59/0x80 [ 49.114839] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.115791] __vmalloc_noprof+0x59/0x60 [ 49.116562] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.117380] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.118307] bpf_prog_alloc+0x39/0x200 [ 49.119024] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.119940] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.120845] do_seccomp+0x349/0x25e0 [ 49.121569] ? find_held_lock+0x2b/0x80 [ 49.122277] ? do_prlimit+0x310/0x610 [ 49.122996] ? __pfx_do_seccomp+0x10/0x10 [ 49.123780] ? do_raw_spin_unlock+0x53/0x220 [ 49.124615] ? _raw_spin_unlock+0x1e/0x40 [ 49.125340] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.126283] ? static_key_count+0x60/0x80 [ 49.127070] prctl_set_seccomp+0x4e/0x70 [ 49.127827] __do_sys_prctl+0xe6c/0x1d70 [ 49.128608] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.129407] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.130353] ? irqentry_exit+0xf3/0x650 [ 49.131090] do_syscall_64+0xbf/0x430 [ 49.131806] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.132750] RIP: 0033:0x7f7945f1e5cd [ 49.133405] 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 [ 49.136518] RSP: 002b:00007fff3e97e230 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.137855] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7945f1e5cd [ 49.139117] RDX: 000055d8b7bfee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.140401] RBP: 00007fff3e97e290 R08: 0000000000000000 R09: 00007fff3e97d930 [ 49.141650] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d8bcca4ad0 [ 49.142923] R13: 00007fff3e97e6c0 R14: 000055d8bcca5bc0 R15: 000055d8bccb6780 [ 49.144213] [ 49.144683] irq event stamp: 1727 [ 49.145291] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 49.146798] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 49.148339] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 49.149878] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 49.151379] ---[ end trace 0000000000000000 ]--- [ 49.943779] ------------[ cut here ]------------ [ 49.944728] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.946752] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.948217] Modules linked in: [ 49.948863] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.950900] Tainted: [W]=WARN [ 49.951458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.952972] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.953892] 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 [ 49.957076] RSP: 0018:ffff88801a83fbc0 EFLAGS: 00010286 [ 49.958060] RAX: 0000000000000000 RBX: ffffed1003507f78 RCX: ffffffff813a4050 [ 49.959343] RDX: ffff88801aa83780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.960652] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003507f2f [ 49.961944] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.963231] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a83fdf8 [ 49.964541] FS: 00007fa30221f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.965979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.967046] CR2: 00007fa3027854a6 CR3: 000000002020c000 CR4: 0000000000350ef0 [ 49.968337] Call Trace: [ 49.968852] [ 49.969264] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.970161] ? __create_object+0x59/0x80 [ 49.970945] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.971923] __vmalloc_noprof+0x59/0x60 [ 49.972695] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.973576] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.974461] bpf_prog_alloc+0x39/0x200 [ 49.975209] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.976143] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.977051] do_seccomp+0x349/0x25e0 [ 49.977781] ? find_held_lock+0x2b/0x80 [ 49.978547] ? do_prlimit+0x310/0x610 [ 49.979247] ? __pfx_do_seccomp+0x10/0x10 [ 49.980043] ? do_raw_spin_unlock+0x53/0x220 [ 49.980903] ? _raw_spin_unlock+0x1e/0x40 [ 49.981693] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.982663] ? static_key_count+0x60/0x80 [ 49.983423] prctl_set_seccomp+0x4e/0x70 [ 49.984211] __do_sys_prctl+0xe6c/0x1d70 [ 49.985009] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.985872] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.986857] ? irqentry_exit+0xf3/0x650 [ 49.987621] do_syscall_64+0xbf/0x430 [ 49.988330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.989312] RIP: 0033:0x7fa3027115cd [ 49.990028] 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 [ 49.993193] RSP: 002b:00007fff2e2e5120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.994565] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3027115cd [ 49.995852] RDX: 000055c781d13e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.997077] RBP: 00007fff2e2e5180 R08: 0000000000000000 R09: 00007fff2e2e4820 [ 49.998146] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c795f73bf0 [ 49.999218] R13: 00007fff2e2e55b0 R14: 000055c795f7d380 R15: 000055c795f88460 [ 50.000317] [ 50.000712] irq event stamp: 1761 [ 50.001213] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 50.002471] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 50.003738] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 50.005033] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 50.006290] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29724' (ECDSA) to the list of known hosts. 2025/11/17 20:48:10 fuzzer started 2025/11/17 20:48:10 dialing manager at localhost:37895 2025/11/17 20:48:10 checking machine... 2025/11/17 20:48:10 checking revisions... [ 50.930121] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:48:10 testing simple program... [ 51.024626] cgroup: Unknown subsys name 'net' [ 51.110713] cgroup: Unknown subsys name 'cpuset' [ 51.127829] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:48:09 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=ffff888009611bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888009612640 RDI=00000000503ba00b RBP=ffff888009612618 RSP=ffff888009627628 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815274e6 RFL=00000046 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff3e978000 CR3=000000000b977000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88806cf08de0 RCX=ffff88806cf089c4 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff8880178103fc RBP=ffff888017810000 RSP=ffff88806cf089d0 R8 =ffffffff86ab8c8e R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000025776 R12=ffff88806cf08a01 R13=ffff88806cf08ab8 R14=ffff88806cf08de0 R15=ffff88806cf08a70 RIP=ffffffff815d29c0 RFL=00000213 [----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 00007f261aa46900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f261a15d5a8 CR3=000000000c357000 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=3dfc3f1cd88caa5b00000000000ae988 XMM05=0ee6fef5598af7430000000000320ba8 XMM06=680989307ed57f3f000000000031f5d8 XMM07=fb795ef6d6577056000000000030f9d8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000