[ 45.759043] ------------[ cut here ]------------ [ 45.760774] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.762189] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.763226] Modules linked in: [ 45.763686] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.765101] Tainted: [W]=WARN [ 45.765522] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.766557] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.767166] 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 [ 45.769425] RSP: 0018:ffff888016487bc0 EFLAGS: 00010286 [ 45.770085] RAX: 0000000000000000 RBX: ffffed1002c90f78 RCX: ffffffff813a4050 [ 45.770997] RDX: ffff888015de9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.771901] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c90f2f [ 45.772807] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.773717] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016487df8 [ 45.774627] FS: 00007f384483e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.775658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.776432] CR2: 00007ffc85b14ef7 CR3: 000000000bd3f000 CR4: 0000000000350ef0 [ 45.777350] Call Trace: [ 45.777681] [ 45.777969] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.778600] ? __create_object+0x59/0x80 [ 45.779125] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.779823] __vmalloc_noprof+0x59/0x60 [ 45.780368] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.780949] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.781603] bpf_prog_alloc+0x39/0x200 [ 45.782093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.782745] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.783378] do_seccomp+0x349/0x25e0 [ 45.783857] ? find_held_lock+0x2b/0x80 [ 45.784389] ? do_prlimit+0x310/0x610 [ 45.784880] ? __pfx_do_seccomp+0x10/0x10 [ 45.785429] ? do_raw_spin_unlock+0x53/0x220 [ 45.785978] ? _raw_spin_unlock+0x1e/0x40 [ 45.786525] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.787171] ? static_key_count+0x60/0x80 [ 45.787736] prctl_set_seccomp+0x4e/0x70 [ 45.788279] __do_sys_prctl+0xe6c/0x1d70 [ 45.788795] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.789395] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.790040] ? irqentry_exit+0xf3/0x650 [ 45.790575] do_syscall_64+0xbf/0x430 [ 45.791066] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.791742] RIP: 0033:0x7f3844d305cd [ 45.792210] 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 [ 45.794440] RSP: 002b:00007ffc85b12c90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.795399] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3844d305cd [ 45.796306] RDX: 00005596ec2c6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.797179] RBP: 00007ffc85b12cf0 R08: 0000000000000000 R09: 00007ffc85b12390 [ 45.798080] R10: 0000000000000000 R11: 0000000000000246 R12: 00005596f94e0ad0 [ 45.798967] R13: 00007ffc85b13120 R14: 00005596f94e1bc0 R15: 00005596f94f2780 [ 45.799879] [ 45.800178] irq event stamp: 2083 [ 45.800626] hardirqs last enabled at (2093): [] __up_console_sem+0x78/0x80 [ 45.801682] hardirqs last disabled at (2102): [] __up_console_sem+0x5d/0x80 [ 45.802745] softirqs last enabled at (2116): [] handle_softirqs+0x50c/0x770 [ 45.803823] softirqs last disabled at (2111): [] __irq_exit_rcu+0xc4/0x100 [ 45.804884] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.043173] ------------[ cut here ]------------ [ 49.044174] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.046340] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.047883] Modules linked in: [ 49.048540] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.050676] Tainted: [W]=WARN [ 49.051312] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.053123] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.054158] 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 [ 49.057553] RSP: 0018:ffff8880187d7bc0 EFLAGS: 00010286 [ 49.058585] RAX: 0000000000000000 RBX: ffffed10030faf78 RCX: ffffffff813a4050 [ 49.059953] RDX: ffff88801b3c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.061316] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030faf2f [ 49.062689] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.064062] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880187d7df8 [ 49.065425] FS: 00007fc777874900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.066954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.068087] CR2: 00007fc777d66580 CR3: 000000001c934000 CR4: 0000000000350ef0 [ 49.069460] Call Trace: [ 49.069952] [ 49.070433] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.071384] ? __create_object+0x59/0x80 [ 49.072180] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.073207] __vmalloc_noprof+0x59/0x60 [ 49.074014] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.074938] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.075933] bpf_prog_alloc+0x39/0x200 [ 49.076712] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.077755] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.078702] do_seccomp+0x349/0x25e0 [ 49.079453] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.080423] ? __pfx_do_seccomp+0x10/0x10 [ 49.081212] ? find_held_lock+0x2b/0x80 [ 49.082020] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.083035] ? static_key_count+0x60/0x80 [ 49.083876] prctl_set_seccomp+0x4e/0x70 [ 49.084677] __do_sys_prctl+0xe6c/0x1d70 [ 49.085492] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.086590] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.087714] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.088884] ? irqentry_exit+0xf3/0x650 [ 49.089896] do_syscall_64+0xbf/0x430 [ 49.090677] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.091996] RIP: 0033:0x7fc777d665cd [ 49.092976] 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 [ 49.097174] RSP: 002b:00007fff907ce800 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.098868] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc777d665cd [ 49.100599] RDX: 000055e3c49cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.102210] RBP: 00007fff907ce860 R08: 0000000000000000 R09: 00007fff907cdf00 [ 49.103903] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e3e914aad0 [ 49.105622] R13: 00007fff907cec90 R14: 000055e3e914bbc0 R15: 000055e3e915c780 [ 49.107277] [ 49.107783] irq event stamp: 1873 [ 49.108519] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 49.110295] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 49.112197] softirqs last enabled at (1626): [] handle_softirqs+0x50c/0x770 [ 49.113847] softirqs last disabled at (1621): [] __irq_exit_rcu+0xc4/0x100 [ 49.115308] ---[ end trace 0000000000000000 ]--- [ 49.759776] ------------[ cut here ]------------ [ 49.760713] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.762650] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 49.764120] Modules linked in: [ 49.764759] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.766720] Tainted: [W]=WARN [ 49.767327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.768779] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.769706] 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 [ 49.772851] RSP: 0018:ffff888016937bc0 EFLAGS: 00010286 [ 49.773820] RAX: 0000000000000000 RBX: ffffed1002d26f78 RCX: ffffffff813a4050 [ 49.775080] RDX: ffff8880164b9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.776365] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d26f2f [ 49.777622] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.778890] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016937df8 [ 49.780163] FS: 00007fc4ce9c1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.781591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.782642] CR2: 00007fc4ceeb3580 CR3: 000000000cac4000 CR4: 0000000000350ef0 [ 49.783927] Call Trace: [ 49.784428] [ 49.784831] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.785720] ? __create_object+0x59/0x80 [ 49.786487] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.787461] __vmalloc_noprof+0x59/0x60 [ 49.788182] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.789042] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.789993] bpf_prog_alloc+0x39/0x200 [ 49.790711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.791629] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.792548] do_seccomp+0x349/0x25e0 [ 49.793209] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.794093] ? __pfx_do_seccomp+0x10/0x10 [ 49.794875] ? find_held_lock+0x2b/0x80 [ 49.795610] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.796597] ? static_key_count+0x60/0x80 [ 49.797404] prctl_set_seccomp+0x4e/0x70 [ 49.798145] __do_sys_prctl+0xe6c/0x1d70 [ 49.798937] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.799812] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.800787] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.801760] ? irqentry_exit+0xf3/0x650 [ 49.802527] do_syscall_64+0xbf/0x430 [ 49.803232] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.804205] RIP: 0033:0x7fc4ceeb35cd [ 49.804914] 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 [ 49.808130] RSP: 002b:00007fffc97009e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.809506] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4ceeb35cd [ 49.810778] RDX: 0000557775dcee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.812094] RBP: 00007fffc9700a40 R08: 0000000000000000 R09: 00007fffc97000e0 [ 49.813380] R10: 0000000000000000 R11: 0000000000000246 R12: 00005577a5c62ad0 [ 49.814676] R13: 00007fffc9700e70 R14: 00005577a5c63bc0 R15: 00005577a5c74780 [ 49.816016] [ 49.816472] irq event stamp: 1749 [ 49.817085] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 49.818618] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 49.820167] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 49.821728] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 49.823276] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37208' (ECDSA) to the list of known hosts. 2025/11/18 08:05:48 fuzzer started 2025/11/18 08:05:49 dialing manager at localhost:34383 2025/11/18 08:05:49 checking machine... 2025/11/18 08:05:49 checking revisions... [ 50.728303] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:05:49 testing simple program... [ 50.829599] cgroup: Unknown subsys name 'net' [ 50.935340] cgroup: Unknown subsys name 'cpuset' [ 50.948510] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 08:05:48 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff8175a7c7 RDX=ffff8880166f3780 RSI=ffffffff8175a708 RDI=0000000000000001 RBP=0000000000000001 RSP=ffff888018497348 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff85e787a8 R15=ffff88800944c280 RIP=ffffffff81751e08 RFL=00000202 [-------] 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 00007fc777874900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc777823008 CR3=000000001fd60000 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=000000000002cef9 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc918b93000 CR3=000000000de2a000 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=a205b602ee64058b9849bea3b7cde36f XMM02=0000000000303930eff9b2d0a8fce9cb XMM03=0000000000303a002c67c8bc2e329bc3 XMM04=e6d9bc60bdc4b37600000000000ae988 XMM05=394c0270924be114000000000031fde8 XMM06=d74844bf967d85ba000000000031eb18 XMM07=e042d86d42eb936e000000000030d918 XMM08=add355ccb91f75b50000000000303a00 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000