Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.883232] ------------[ cut here ]------------ [ 38.884167] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.886209] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.887671] Modules linked in: [ 38.888249] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.890252] Tainted: [W]=WARN [ 38.890832] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.892316] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.893255] 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 [ 38.896419] RSP: 0018:ffff888016f2fbc0 EFLAGS: 00010286 [ 38.897383] RAX: 0000000000000000 RBX: ffffed1002de5f78 RCX: ffffffff813a4050 [ 38.898694] RDX: ffff88800f86b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.899970] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de5f2f [ 38.901271] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.902536] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f2fdf8 [ 38.903805] FS: 00007f55b7cec900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.905267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.906315] CR2: 00007ffc5dce3ef7 CR3: 0000000015cad000 CR4: 0000000000350ef0 [ 38.907589] Call Trace: [ 38.908051] [ 38.908504] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.909382] ? __create_object+0x59/0x80 [ 38.910167] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.911132] __vmalloc_noprof+0x59/0x60 [ 38.911884] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.912789] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.913714] bpf_prog_alloc+0x39/0x200 [ 38.914460] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.915334] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.916239] do_seccomp+0x349/0x25e0 [ 38.916982] ? find_held_lock+0x2b/0x80 [ 38.917749] ? do_prlimit+0x310/0x610 [ 38.918505] ? __pfx_do_seccomp+0x10/0x10 [ 38.919256] ? do_raw_spin_unlock+0x53/0x220 [ 38.920090] ? _raw_spin_unlock+0x1e/0x40 [ 38.920910] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.921880] ? static_key_count+0x60/0x80 [ 38.922684] prctl_set_seccomp+0x4e/0x70 [ 38.923462] __do_sys_prctl+0xe6c/0x1d70 [ 38.924186] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.925062] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.926026] ? irqentry_exit+0xf3/0x650 [ 38.926786] do_syscall_64+0xbf/0x430 [ 38.927511] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.928444] RIP: 0033:0x7f55b81de5cd [ 38.929124] 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 [ 38.932232] RSP: 002b:00007ffc5dce2b80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.933614] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55b81de5cd [ 38.934871] RDX: 00005581c1594e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.936127] RBP: 00007ffc5dce2be0 R08: 0000000000000000 R09: 00007ffc5dce2280 [ 38.937425] R10: 0000000000000000 R11: 0000000000000246 R12: 00005581ca5b52b0 [ 38.938697] R13: 00007ffc5dce3010 R14: 00005581ca5b7d20 R15: 00005581ca5c98d0 [ 38.939983] [ 38.940433] irq event stamp: 1687 [ 38.941072] hardirqs last enabled at (1695): [] __up_console_sem+0x78/0x80 [ 38.942579] hardirqs last disabled at (1704): [] __up_console_sem+0x5d/0x80 [ 38.944098] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 38.945657] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100 [ 38.947154] ---[ end trace 0000000000000000 ]--- [ 42.235553] ------------[ cut here ]------------ [ 42.236223] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.237748] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.238848] Modules linked in: [ 42.239302] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.240817] Tainted: [W]=WARN [ 42.241257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.242373] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.243058] 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 [ 42.245635] RSP: 0018:ffff88801890fbc0 EFLAGS: 00010286 [ 42.246518] RAX: 0000000000000000 RBX: ffffed1003121f78 RCX: ffffffff813a4050 [ 42.247507] RDX: ffff88801769b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.248486] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003121f2f [ 42.249478] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.250462] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801890fdf8 [ 42.253066] FS: 00007fe60ed35900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.254548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.255338] CR2: 00007fe60f227580 CR3: 000000001d202000 CR4: 0000000000350ef0 [ 42.256381] Call Trace: [ 42.256771] [ 42.257082] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.257751] ? __create_object+0x59/0x80 [ 42.258314] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.259030] __vmalloc_noprof+0x59/0x60 [ 42.259604] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.260232] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.260924] bpf_prog_alloc+0x39/0x200 [ 42.261466] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.262247] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.262923] do_seccomp+0x349/0x25e0 [ 42.263452] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.264098] ? __pfx_do_seccomp+0x10/0x10 [ 42.264699] ? find_held_lock+0x2b/0x80 [ 42.265239] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.265956] ? static_key_count+0x60/0x80 [ 42.266554] prctl_set_seccomp+0x4e/0x70 [ 42.267105] __do_sys_prctl+0xe6c/0x1d70 [ 42.267689] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.268301] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.269033] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.269754] ? irqentry_exit+0xf3/0x650 [ 42.270295] do_syscall_64+0xbf/0x430 [ 42.270847] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.271552] RIP: 0033:0x7fe60f2275cd [ 42.272045] 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 [ 42.274428] RSP: 002b:00007fff3140caf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.275455] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe60f2275cd [ 42.276391] RDX: 0000564d74c3fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.277367] RBP: 00007fff3140cb50 R08: 0000000000000000 R09: 00007fff3140c1f0 [ 42.278327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564d81bf9ad0 [ 42.279314] R13: 00007fff3140cf80 R14: 0000564d81bfabc0 R15: 0000564d81c0b780 [ 42.280304] [ 42.280652] irq event stamp: 1863 [ 42.281120] hardirqs last enabled at (1871): [] __up_console_sem+0x78/0x80 [ 42.282262] hardirqs last disabled at (1880): [] __up_console_sem+0x5d/0x80 [ 42.283394] softirqs last enabled at (1840): [] handle_softirqs+0x50c/0x770 [ 42.284561] softirqs last disabled at (1833): [] __irq_exit_rcu+0xc4/0x100 [ 42.285710] ---[ end trace 0000000000000000 ]--- [ 43.038304] ------------[ cut here ]------------ [ 43.039092] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.040825] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.042024] Modules linked in: [ 43.042569] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.044182] Tainted: [W]=WARN [ 43.044677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.045876] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.046621] 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 [ 43.049206] RSP: 0018:ffff88800f4cfbc0 EFLAGS: 00010286 [ 43.050009] RAX: 0000000000000000 RBX: ffffed1001e99f78 RCX: ffffffff813a4050 [ 43.051057] RDX: ffff88801689d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.052106] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e99f2f [ 43.053156] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.054200] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f4cfdf8 [ 43.055246] FS: 00007f169d81f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.056420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.057246] CR2: 00007ffdb8e4aef7 CR3: 000000000d620000 CR4: 0000000000350ef0 [ 43.058295] Call Trace: [ 43.058700] [ 43.059036] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.059756] ? __create_object+0x59/0x80 [ 43.060360] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.061159] __vmalloc_noprof+0x59/0x60 [ 43.061776] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.062488] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.063205] bpf_prog_alloc+0x39/0x200 [ 43.063800] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.064554] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.065265] do_seccomp+0x349/0x25e0 [ 43.065852] ? find_held_lock+0x2b/0x80 [ 43.066470] ? do_prlimit+0x310/0x610 [ 43.067031] ? __pfx_do_seccomp+0x10/0x10 [ 43.067668] ? do_raw_spin_unlock+0x53/0x220 [ 43.068302] ? _raw_spin_unlock+0x1e/0x40 [ 43.068933] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.069713] ? static_key_count+0x60/0x80 [ 43.070322] prctl_set_seccomp+0x4e/0x70 [ 43.070952] __do_sys_prctl+0xe6c/0x1d70 [ 43.071576] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.072230] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.073013] ? irqentry_exit+0xf3/0x650 [ 43.073617] do_syscall_64+0xbf/0x430 [ 43.074175] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.074941] RIP: 0033:0x7f169dd115cd [ 43.075522] 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 [ 43.078067] RSP: 002b:00007ffdb8e49cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.079162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f169dd115cd [ 43.080193] RDX: 0000561572ebfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.081239] RBP: 00007ffdb8e49d50 R08: 0000000000000000 R09: 00007ffdb8e493f0 [ 43.082266] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561589f03bf0 [ 43.083306] R13: 00007ffdb8e4a180 R14: 0000561589f0d380 R15: 0000561589f18460 [ 43.084355] [ 43.084736] irq event stamp: 1697 [ 43.085222] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 43.086442] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 43.087673] softirqs last enabled at (1184): [] handle_softirqs+0x50c/0x770 [ 43.088925] softirqs last disabled at (1163): [] __irq_exit_rcu+0xc4/0x100 [ 43.090156] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55669' (ECDSA) to the list of known hosts. 2025/11/19 06:58:15 fuzzer started 2025/11/19 06:58:16 dialing manager at localhost:34383 2025/11/19 06:58:16 checking machine... 2025/11/19 06:58:16 checking revisions... [ 44.002586] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:58:16 testing simple program... [ 44.097653] cgroup: Unknown subsys name 'net' [ 44.164151] cgroup: Unknown subsys name 'cpuset' [ 44.180358] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:58:15 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000564d81c0b780 RCX=00007fe60f2186c3 RDX=0000000000000000 RSI=0000000000000007 RDI=0000000000000008 RBP=0000000000000000 RSP=00007fff3140c5b0 R8 =0000564d81c1b180 R9 =00007fff31405958 R10=0000564d81c1a2c0 R11=0000000000000246 R12=0000000000000008 R13=0000564d81bf4350 R14=000000000000000b R15=0000000000000000 RIP=00007fe60f860a42 RFL=00000202 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fe60ed35900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff31406000 CR3=000000001ed4a000 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=6720646572637465733a4d41503d706f 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=ffffea000058cf58 RBX=0000000000000001 RCX=ffffffff819f414e RDX=ffff88800ae7d340 RSI=0000000000000000 RDI=0000000000000001 RBP=0000000000000001 RSP=ffff88801971f5f0 R8 =0000000000000000 R9 =ffffed100118d7b6 R10=0000000000000001 R11=0000000000000001 R12=800000001633d025 R13=ffff88801971f9f8 R14=ffff88801ed00800 R15=dffffc0000000000 RIP=ffffffff81751e00 RFL=00000282 [--S----] 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 00007fe60ed35900 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=00007fe60ed04008 CR3=000000001ed4a000 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