[ 39.176705] ------------[ cut here ]------------ [ 39.177605] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.179563] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.181269] Modules linked in: [ 39.181965] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.183957] Tainted: [W]=WARN [ 39.184496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.185963] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.186863] 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 [ 39.190042] RSP: 0018:ffff8880174bfbc0 EFLAGS: 00010286 [ 39.191013] RAX: 0000000000000000 RBX: ffffed1002e97f78 RCX: ffffffff813a4050 [ 39.192287] RDX: ffff88801a1eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.193595] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e97f2f [ 39.194890] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.196141] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174bfdf8 [ 39.197448] FS: 00007f9b2fc72900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.198890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.199964] CR2: 00007f9b30164580 CR3: 000000000e0f9000 CR4: 0000000000350ef0 [ 39.201255] Call Trace: [ 39.201749] [ 39.202167] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.203070] ? __create_object+0x59/0x80 [ 39.203861] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.204848] __vmalloc_noprof+0x59/0x60 [ 39.205613] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.206452] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.207371] bpf_prog_alloc+0x39/0x200 [ 39.208103] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.209026] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.209942] do_seccomp+0x349/0x25e0 [ 39.210667] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.211525] ? __pfx_do_seccomp+0x10/0x10 [ 39.212308] ? find_held_lock+0x2b/0x80 [ 39.213092] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.214059] ? static_key_count+0x60/0x80 [ 39.214847] prctl_set_seccomp+0x4e/0x70 [ 39.215623] __do_sys_prctl+0xe6c/0x1d70 [ 39.216379] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.217250] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.218210] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.219199] ? irqentry_exit+0xf3/0x650 [ 39.219974] do_syscall_64+0xbf/0x430 [ 39.220729] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.221675] RIP: 0033:0x7f9b301645cd [ 39.222342] 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 [ 39.225533] RSP: 002b:00007ffc76046400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.226910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b301645cd [ 39.228186] RDX: 0000559f8c51be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.229538] RBP: 00007ffc76046460 R08: 0000000000000000 R09: 00007ffc76045b00 [ 39.230867] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559fb96822b0 [ 39.232145] R13: 00007ffc76046890 R14: 0000559fb9684d20 R15: 0000559fb96968d0 [ 39.233463] [ 39.233935] irq event stamp: 1821 [ 39.234554] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 39.236110] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 39.237528] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 39.238799] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 39.240047] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.024171] ------------[ cut here ]------------ [ 42.025103] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.027694] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.029138] Modules linked in: [ 42.029743] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.031717] Tainted: [W]=WARN [ 42.032262] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.033966] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.034948] 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 [ 42.038113] RSP: 0018:ffff888019acfbc0 EFLAGS: 00010286 [ 42.039083] RAX: 0000000000000000 RBX: ffffed1003359f78 RCX: ffffffff813a4050 [ 42.040358] RDX: ffff888015f83780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.041643] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003359f2f [ 42.042918] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.044186] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019acfdf8 [ 42.045489] FS: 00007fb1375b0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.046925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.047996] CR2: 00007ffcd5214ef7 CR3: 0000000020d6e000 CR4: 0000000000350ef0 [ 42.049283] Call Trace: [ 42.049793] [ 42.050203] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.051102] ? __create_object+0x59/0x80 [ 42.051882] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.052870] __vmalloc_noprof+0x59/0x60 [ 42.053635] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.054456] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.055369] bpf_prog_alloc+0x39/0x200 [ 42.056098] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.057019] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.057922] do_seccomp+0x349/0x25e0 [ 42.058636] ? find_held_lock+0x2b/0x80 [ 42.059351] ? do_prlimit+0x310/0x610 [ 42.060087] ? __pfx_do_seccomp+0x10/0x10 [ 42.060882] ? do_raw_spin_unlock+0x53/0x220 [ 42.061714] ? _raw_spin_unlock+0x1e/0x40 [ 42.062444] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.063398] ? static_key_count+0x60/0x80 [ 42.064190] prctl_set_seccomp+0x4e/0x70 [ 42.064970] __do_sys_prctl+0xe6c/0x1d70 [ 42.065751] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.066559] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.067527] ? irqentry_exit+0xf3/0x650 [ 42.068285] do_syscall_64+0xbf/0x430 [ 42.069029] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.069972] RIP: 0033:0x7fb137aa25cd [ 42.070678] 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 [ 42.073822] RSP: 002b:00007ffcd5212390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.075174] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb137aa25cd [ 42.076443] RDX: 0000561463da4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.077742] RBP: 00007ffcd52123f0 R08: 0000000000000000 R09: 00007ffcd5211a90 [ 42.079008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561469357bf0 [ 42.080277] R13: 00007ffcd5212820 R14: 0000561469361380 R15: 000056146936c460 [ 42.081606] [ 42.082028] irq event stamp: 1801 [ 42.082678] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 42.084186] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 42.085699] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 42.087242] softirqs last disabled at (1787): [] __irq_exit_rcu+0xc4/0x100 [ 42.088745] ---[ end trace 0000000000000000 ]--- [ 42.822270] ------------[ cut here ]------------ [ 42.823048] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.824771] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 42.825989] Modules linked in: [ 42.826486] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.828160] Tainted: [W]=WARN [ 42.828659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.829902] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.830664] 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 [ 42.833343] RSP: 0018:ffff88801765fbc0 EFLAGS: 00010286 [ 42.834160] RAX: 0000000000000000 RBX: ffffed1002ecbf78 RCX: ffffffff813a4050 [ 42.835227] RDX: ffff888015f85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.836302] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ecbf2f [ 42.837390] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.838460] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801765fdf8 [ 42.839536] FS: 00007f49166bc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.840773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.841677] CR2: 00007fff8d2c4ef7 CR3: 000000000d5a3000 CR4: 0000000000350ef0 [ 42.842750] Call Trace: [ 42.843147] [ 42.843490] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.844232] ? __create_object+0x59/0x80 [ 42.844892] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.845704] __vmalloc_noprof+0x59/0x60 [ 42.846298] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.847027] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.847796] bpf_prog_alloc+0x39/0x200 [ 42.848384] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.849171] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.849923] do_seccomp+0x349/0x25e0 [ 42.850497] ? find_held_lock+0x2b/0x80 [ 42.851134] ? do_prlimit+0x310/0x610 [ 42.851755] ? __pfx_do_seccomp+0x10/0x10 [ 42.852386] ? do_raw_spin_unlock+0x53/0x220 [ 42.853089] ? _raw_spin_unlock+0x1e/0x40 [ 42.853750] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.854527] ? static_key_count+0x60/0x80 [ 42.855210] prctl_set_seccomp+0x4e/0x70 [ 42.855859] __do_sys_prctl+0xe6c/0x1d70 [ 42.856481] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.857219] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.858033] ? irqentry_exit+0xf3/0x650 [ 42.858679] do_syscall_64+0xbf/0x430 [ 42.859266] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.860060] RIP: 0033:0x7f4916bae5cd [ 42.860659] 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 [ 42.863304] RSP: 002b:00007fff8d2c3c40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.864444] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4916bae5cd [ 42.865527] RDX: 000055dd787c4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.866615] RBP: 00007fff8d2c3ca0 R08: 0000000000000000 R09: 00007fff8d2c3340 [ 42.867689] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd9ce3a2b0 [ 42.868787] R13: 00007fff8d2c40d0 R14: 000055dd9ce3cd20 R15: 000055dd9ce4e8d0 [ 42.869881] [ 42.870240] irq event stamp: 1677 [ 42.870782] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 42.872081] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 42.873372] softirqs last enabled at (1318): [] handle_softirqs+0x50c/0x770 [ 42.874675] softirqs last disabled at (1313): [] __irq_exit_rcu+0xc4/0x100 [ 42.875952] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14486' (ECDSA) to the list of known hosts. 2025/11/19 00:48:12 fuzzer started 2025/11/19 00:48:12 dialing manager at localhost:34383 2025/11/19 00:48:12 checking machine... 2025/11/19 00:48:12 checking revisions... [ 43.750017] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:48:12 testing simple program... [ 43.844490] cgroup: Unknown subsys name 'net' [ 43.907754] cgroup: Unknown subsys name 'cpuset' [ 43.923323] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:48:11 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888017355340 RCX=ffff88806ce08984 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff88801735573c RBP=ffff888017355340 RSP=ffff88806ce08990 R8 =0000000000000001 R9 =ffff88806ce08a70 R10=000000000003c9ed R11=00000000000a24b5 R12=ffff888017355340 R13=ffff88806ce08a78 R14=ffff888016097c00 R15=ffff88806ce08a30 RIP=ffffffff815d2c25 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 00007fb1375b0900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcd520c000 CR3=0000000020ce6000 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=5a9f7655c2120345 RBX=0000000000000246 RCX=ffff888016b8ee84 RDX=0000000000000005 RSI=ffff88801cc12af8 RDI=ffff8880155bc2a0 RBP=ffff88801cc12af8 RSP=ffff888016b8ee78 R8 =0000000000000001 R9 =ffffed100317b9a7 R10=0000000000000000 R11=0000000000000001 R12=ffffffff81918bbd R13=0000000000000002 R14=ffff8880155bb780 R15=0000000000000006 RIP=ffffffff81528fc6 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb2eb6ac230 CR3=0000000020f18000 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=00000000a60ce07b00000000cec3662e XMM01=00000000000000002225f3a15d65fdec XMM02=00000000000000000000000000000000 XMM03=2f756e672d78756e696c2d34365f3638 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000