[ 39.412430] ------------[ cut here ]------------ [ 39.413384] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.415380] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.416803] Modules linked in: [ 39.417395] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.419361] Tainted: [W]=WARN [ 39.419946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.421407] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.422542] 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 [ 39.425761] RSP: 0018:ffff88800a46fbc0 EFLAGS: 00010286 [ 39.426727] RAX: 0000000000000000 RBX: ffffed100148df78 RCX: ffffffff813a4050 [ 39.427983] RDX: ffff88800a031bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.429253] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100148df2f [ 39.430524] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.431809] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a46fdf8 [ 39.433090] FS: 00007f29e5549900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.434527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.435574] CR2: 00007ffc1f2e3ef8 CR3: 000000000de56000 CR4: 0000000000350ef0 [ 39.436848] Call Trace: [ 39.437316] [ 39.437721] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.438611] ? __create_object+0x59/0x80 [ 39.439386] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.440341] __vmalloc_noprof+0x59/0x60 [ 39.441099] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.441982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.442907] bpf_prog_alloc+0x39/0x200 [ 39.443604] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.444519] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.445431] do_seccomp+0x349/0x25e0 [ 39.446152] ? find_held_lock+0x2b/0x80 [ 39.446909] ? do_prlimit+0x310/0x610 [ 39.447611] ? __pfx_do_seccomp+0x10/0x10 [ 39.448394] ? do_raw_spin_unlock+0x53/0x220 [ 39.449229] ? _raw_spin_unlock+0x1e/0x40 [ 39.450022] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.450989] ? static_key_count+0x60/0x80 [ 39.451731] prctl_set_seccomp+0x4e/0x70 [ 39.452493] __do_sys_prctl+0xe6c/0x1d70 [ 39.453265] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.454133] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.455097] ? irqentry_exit+0xf3/0x650 [ 39.455851] do_syscall_64+0xbf/0x430 [ 39.456539] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.457486] RIP: 0033:0x7f29e5a3b5cd [ 39.458169] 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 [ 39.461313] RSP: 002b:00007ffc1f2e1770 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.462668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f29e5a3b5cd [ 39.463933] RDX: 000055decfaece00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.465205] RBP: 00007ffc1f2e17d0 R08: 0000000000000000 R09: 00007ffc1f2e0e70 [ 39.466489] R10: 0000000000000000 R11: 0000000000000246 R12: 000055df01cffb10 [ 39.467751] R13: 00007ffc1f2e1c00 R14: 000055df01d002b0 R15: 000055df01d146f0 [ 39.469075] [ 39.469501] irq event stamp: 1871 [ 39.470140] hardirqs last enabled at (1881): [] __up_console_sem+0x78/0x80 [ 39.471668] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 39.473180] softirqs last enabled at (1898): [] handle_softirqs+0x50c/0x770 [ 39.474710] softirqs last disabled at (1889): [] __irq_exit_rcu+0xc4/0x100 [ 39.476207] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.146287] ------------[ cut here ]------------ [ 42.147229] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.149205] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.150687] Modules linked in: [ 42.151327] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.153313] Tainted: [W]=WARN [ 42.153931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.155379] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.156283] 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 [ 42.159456] RSP: 0018:ffff88801a157bc0 EFLAGS: 00010286 [ 42.160427] RAX: 0000000000000000 RBX: ffffed100342af78 RCX: ffffffff813a4050 [ 42.161708] RDX: ffff888019d59bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.162968] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100342af2f [ 42.164227] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.165517] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a157df8 [ 42.166805] FS: 00007f588d894900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.168225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.169280] CR2: 00007f588dd86580 CR3: 000000000e2ee000 CR4: 0000000000350ef0 [ 42.170560] Call Trace: [ 42.171068] [ 42.171471] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.172366] ? __create_object+0x59/0x80 [ 42.173149] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.174121] __vmalloc_noprof+0x59/0x60 [ 42.174878] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.175701] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.176622] bpf_prog_alloc+0x39/0x200 [ 42.177358] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.178286] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.179187] do_seccomp+0x349/0x25e0 [ 42.179903] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.180753] ? __pfx_do_seccomp+0x10/0x10 [ 42.181544] ? find_held_lock+0x2b/0x80 [ 42.182305] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.183259] ? static_key_count+0x60/0x80 [ 42.184059] prctl_set_seccomp+0x4e/0x70 [ 42.184832] __do_sys_prctl+0xe6c/0x1d70 [ 42.185568] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.186410] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.187380] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.188334] ? irqentry_exit+0xf3/0x650 [ 42.189100] do_syscall_64+0xbf/0x430 [ 42.189839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.190719] RIP: 0033:0x7f588dd865cd [ 42.191424] 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 [ 42.194552] RSP: 002b:00007fff583bfaf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.195913] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f588dd865cd [ 42.197173] RDX: 0000559f3366fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.198445] RBP: 00007fff583bfb50 R08: 0000000000000000 R09: 00007fff583bf1f0 [ 42.199701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f423ce240 [ 42.200972] R13: 00007fff583bff80 R14: 0000559f423d7380 R15: 0000559f423e2540 [ 42.202258] [ 42.202677] irq event stamp: 1749 [ 42.203322] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 42.204831] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 42.206345] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 42.207872] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 42.209391] ---[ end trace 0000000000000000 ]--- [ 42.969002] ------------[ cut here ]------------ [ 42.969557] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.970844] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.971723] Modules linked in: [ 42.972111] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.973307] Tainted: [W]=WARN [ 42.973651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.974689] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.975283] 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 [ 42.977204] RSP: 0018:ffff88801616fbc0 EFLAGS: 00010286 [ 42.977807] RAX: 0000000000000000 RBX: ffffed1002c2df78 RCX: ffffffff813a4050 [ 42.978585] RDX: ffff8880162dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.979589] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2df2f [ 42.981679] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.982754] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801616fdf8 [ 42.983617] FS: 00007f89b29b2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.984520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.985180] CR2: 00007f89b2ea4580 CR3: 000000001f85b000 CR4: 0000000000350ef0 [ 42.985984] Call Trace: [ 42.986271] [ 42.986526] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.987078] ? __create_object+0x59/0x80 [ 42.987535] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.988140] __vmalloc_noprof+0x59/0x60 [ 42.988582] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.989118] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.989678] bpf_prog_alloc+0x39/0x200 [ 42.990142] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.990695] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.991254] do_seccomp+0x349/0x25e0 [ 42.991673] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.992231] ? __pfx_do_seccomp+0x10/0x10 [ 42.992695] ? find_held_lock+0x2b/0x80 [ 42.993171] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.993758] ? static_key_count+0x60/0x80 [ 42.994260] prctl_set_seccomp+0x4e/0x70 [ 42.994712] __do_sys_prctl+0xe6c/0x1d70 [ 42.995248] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.995976] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.996552] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.997158] ? irqentry_exit+0xf3/0x650 [ 42.997616] do_syscall_64+0xbf/0x430 [ 42.998076] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.998643] RIP: 0033:0x7f89b2ea45cd [ 42.999089] 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 [ 43.001076] RSP: 002b:00007ffc7b7c0bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.001930] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89b2ea45cd [ 43.002693] RDX: 000055a45c31be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.003491] RBP: 00007ffc7b7c0c10 R08: 0000000000000000 R09: 00007ffc7b7c02b0 [ 43.004301] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a47d5c5ad0 [ 43.005124] R13: 00007ffc7b7c1040 R14: 000055a47d5c6bc0 R15: 000055a47d5d7780 [ 43.005951] [ 43.006215] irq event stamp: 1897 [ 43.006587] hardirqs last enabled at (1905): [] __up_console_sem+0x78/0x80 [ 43.007674] hardirqs last disabled at (1916): [] __up_console_sem+0x5d/0x80 [ 43.008785] softirqs last enabled at (1876): [] handle_softirqs+0x50c/0x770 [ 43.009860] softirqs last disabled at (1869): [] __irq_exit_rcu+0xc4/0x100 [ 43.010791] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:32787' (ECDSA) to the list of known hosts. 2025/11/17 23:04:01 fuzzer started 2025/11/17 23:04:02 dialing manager at localhost:37895 2025/11/17 23:04:02 checking machine... 2025/11/17 23:04:02 checking revisions... [ 43.788470] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:04:02 testing simple program... [ 43.862839] cgroup: Unknown subsys name 'net' [ 43.921263] cgroup: Unknown subsys name 'cpuset' [ 43.930616] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:04:01 Registers: info registers vcpu 0 RAX=ffffffff81b8c9af RBX=000000000000000c RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000010 RDI=ffff888016ae79d0 RBP=dffffc0000000000 RSP=ffff888016ae78e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000010 R13=0000000000000000 R14=ffff888016ae7970 R15=ffff8880198cee80 RIP=ffffffff8161915d 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 00007f588d894900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff583b9000 CR3=000000001f97b000 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=0000000000026c67 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=00000202 [-------] 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 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f54ea86e000 CR3=0000000009e15000 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=34303a333220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343038 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000