[ 46.100685] ------------[ cut here ]------------ [ 46.101570] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.103612] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.105113] Modules linked in: [ 46.105753] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.107761] Tainted: [W]=WARN [ 46.108341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.109829] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.110756] 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 [ 46.114011] RSP: 0018:ffff8880198d7bc0 EFLAGS: 00010286 [ 46.115018] RAX: 0000000000000000 RBX: ffffed100331af78 RCX: ffffffff813a4050 [ 46.116354] RDX: ffff888016fdd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.117669] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100331af2f [ 46.118981] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.120305] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880198d7df8 [ 46.121609] FS: 00007fec15273900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.123101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.124197] CR2: 00007fec15765580 CR3: 000000000d0d3000 CR4: 0000000000350ef0 [ 46.125518] Call Trace: [ 46.126039] [ 46.126467] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.127379] ? __create_object+0x59/0x80 [ 46.128209] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.129191] __vmalloc_noprof+0x59/0x60 [ 46.129983] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.130874] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.131819] bpf_prog_alloc+0x39/0x200 [ 46.132547] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.133495] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.134405] do_seccomp+0x349/0x25e0 [ 46.135124] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.136060] ? __pfx_do_seccomp+0x10/0x10 [ 46.136860] ? find_held_lock+0x2b/0x80 [ 46.137584] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.138562] ? static_key_count+0x60/0x80 [ 46.139365] prctl_set_seccomp+0x4e/0x70 [ 46.140158] __do_sys_prctl+0xe6c/0x1d70 [ 46.140956] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.141831] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.142807] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.143781] ? irqentry_exit+0xf3/0x650 [ 46.144532] do_syscall_64+0xbf/0x430 [ 46.145287] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.146252] RIP: 0033:0x7fec157655cd [ 46.146966] 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 [ 46.150196] RSP: 002b:00007ffe3a27bb90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.151585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec157655cd [ 46.152917] RDX: 00005649a6b00e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.154238] RBP: 00007ffe3a27bbf0 R08: 0000000000000000 R09: 00007ffe3a27b290 [ 46.155536] R10: 0000000000000000 R11: 0000000000000246 R12: 00005649c7435ad0 [ 46.156856] R13: 00007ffe3a27c020 R14: 00005649c7436bc0 R15: 00005649c7447780 [ 46.158169] [ 46.158602] irq event stamp: 1757 [ 46.159256] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 46.160814] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 46.162364] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 46.163953] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 46.165507] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.423874] ------------[ cut here ]------------ [ 49.424975] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.427841] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.429449] Modules linked in: [ 49.430504] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.433298] Tainted: [W]=WARN [ 49.433955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.435510] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.436517] 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 [ 49.439884] RSP: 0018:ffff888016b7fbc0 EFLAGS: 00010286 [ 49.440954] RAX: 0000000000000000 RBX: ffffed1002d6ff78 RCX: ffffffff813a4050 [ 49.442316] RDX: ffff888019975340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.443688] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6ff2f [ 49.445070] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.446479] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b7fdf8 [ 49.447833] FS: 00007fdcdf1e3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.449375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.450521] CR2: 00007fdcdf6d5580 CR3: 000000000b784000 CR4: 0000000000350ef0 [ 49.451912] Call Trace: [ 49.452405] [ 49.452885] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.453878] ? __create_object+0x59/0x80 [ 49.454737] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.455800] __vmalloc_noprof+0x59/0x60 [ 49.456575] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.457521] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.458515] bpf_prog_alloc+0x39/0x200 [ 49.459302] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.460299] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.461285] do_seccomp+0x349/0x25e0 [ 49.462060] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.463016] ? __pfx_do_seccomp+0x10/0x10 [ 49.463878] ? find_held_lock+0x2b/0x80 [ 49.464731] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.465772] ? static_key_count+0x60/0x80 [ 49.466581] prctl_set_seccomp+0x4e/0x70 [ 49.467418] __do_sys_prctl+0xe6c/0x1d70 [ 49.468280] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.469188] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.470226] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.471267] ? irqentry_exit+0xf3/0x650 [ 49.472132] do_syscall_64+0xbf/0x430 [ 49.472926] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.473940] RIP: 0033:0x7fdcdf6d55cd [ 49.474711] 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 [ 49.478094] RSP: 002b:00007fffae5994f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.479529] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdcdf6d55cd [ 49.480873] RDX: 000055c9f8a01e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.482259] RBP: 00007fffae599550 R08: 0000000000000000 R09: 00007fffae598bf0 [ 49.483637] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ca1cb73ad0 [ 49.485088] R13: 00007fffae599980 R14: 000055ca1cb74bc0 R15: 000055ca1cb85780 [ 49.486468] [ 49.486980] irq event stamp: 1945 [ 49.487634] hardirqs last enabled at (1953): [] __up_console_sem+0x78/0x80 [ 49.489298] hardirqs last disabled at (1964): [] __up_console_sem+0x5d/0x80 [ 49.490950] softirqs last enabled at (1474): [] handle_softirqs+0x50c/0x770 [ 49.492636] softirqs last disabled at (1983): [] __irq_exit_rcu+0xc4/0x100 [ 49.494263] ---[ end trace 0000000000000000 ]--- [ 50.324895] ------------[ cut here ]------------ [ 50.325835] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.327888] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.329442] Modules linked in: [ 50.330098] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.332107] Tainted: [W]=WARN [ 50.332968] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.334541] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.335470] 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 [ 50.338716] RSP: 0018:ffff88800f137bc0 EFLAGS: 00010286 [ 50.339730] RAX: 0000000000000000 RBX: ffffed1001e26f78 RCX: ffffffff813a4050 [ 50.341031] RDX: ffff888015ad9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.342315] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e26f2f [ 50.343588] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.344906] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f137df8 [ 50.346194] FS: 00007f2d5f0af900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.347677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.348793] CR2: 00007ffc1380cef7 CR3: 000000001f625000 CR4: 0000000000350ef0 [ 50.350110] Call Trace: [ 50.350578] [ 50.351043] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.351995] ? __create_object+0x59/0x80 [ 50.352779] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.353771] __vmalloc_noprof+0x59/0x60 [ 50.354503] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.355421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.356416] bpf_prog_alloc+0x39/0x200 [ 50.357184] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.358160] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.359108] do_seccomp+0x349/0x25e0 [ 50.359862] ? find_held_lock+0x2b/0x80 [ 50.360624] ? do_prlimit+0x310/0x610 [ 50.361392] ? __pfx_do_seccomp+0x10/0x10 [ 50.362201] ? do_raw_spin_unlock+0x53/0x220 [ 50.363059] ? _raw_spin_unlock+0x1e/0x40 [ 50.363876] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.364879] ? static_key_count+0x60/0x80 [ 50.365694] prctl_set_seccomp+0x4e/0x70 [ 50.366463] __do_sys_prctl+0xe6c/0x1d70 [ 50.367251] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.368158] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.369132] ? irqentry_exit+0xf3/0x650 [ 50.369919] do_syscall_64+0xbf/0x430 [ 50.370610] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.371572] RIP: 0033:0x7f2d5f5a15cd [ 50.372344] 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 [ 50.375555] RSP: 002b:00007ffc1380a660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.376994] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d5f5a15cd [ 50.378343] RDX: 000056372b6e5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.379693] RBP: 00007ffc1380a6c0 R08: 0000000000000000 R09: 00007ffc13809d60 [ 50.381050] R10: 0000000000000000 R11: 0000000000000246 R12: 000056373ab6e240 [ 50.382393] R13: 00007ffc1380aaf0 R14: 000056373ab6dbf0 R15: 000056373ab824d0 [ 50.383794] [ 50.384235] irq event stamp: 1799 [ 50.384896] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 50.386426] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 50.387992] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 50.389427] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 50.390734] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4567' (ECDSA) to the list of known hosts. 2025/11/17 20:25:47 fuzzer started 2025/11/17 20:25:47 dialing manager at localhost:37895 2025/11/17 20:25:47 checking machine... 2025/11/17 20:25:47 checking revisions... [ 51.254770] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:25:47 testing simple program... [ 51.333707] cgroup: Unknown subsys name 'net' [ 51.386606] cgroup: Unknown subsys name 'cpuset' [ 51.414083] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:25:46 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880155f78b8 RCX=ffff8880155f7744 RDX=1ffff11002abef2b RSI=ffffffff84c6acdf RDI=ffff8880155f78c4 RBP=ffff8880155f7958 RSP=ffff8880155f77d0 R8 =0000000000000001 R9 =ffff8880155f7830 R10=000000000003c9ed R11=0000000000026e86 R12=ffff8880155f78b8 R13=0000000000000000 R14=ffff888015641bc0 R15=0000000000000cc0 RIP=ffffffff81619077 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 00007fb23071c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055ca1cba7000 CR3=000000000d57e000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=909bb5cccb207a3f00000000000ae988 XMM05=7054ef44376b3b1b0000000000321860 XMM06=090f1556b20111b3000000000031ffd8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888009757840 RCX=0000000000000001 RDX=1ffff110012eaf09 RSI=ffff888009757b88 RDI=ffff888009757850 RBP=ffff888009757b88 RSP=ffff888009757798 R8 =ffffffff86ab82c2 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000008 R13=ffff888009750000 R14=ffff888009757b90 R15=ffff888009757840 RIP=ffffffff8135e27d 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdcdf79a618 CR3=000000000e166000 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=35323a303220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303735 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000