[ 39.424644] ------------[ cut here ]------------ [ 39.425594] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.427703] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.429483] Modules linked in: [ 39.430116] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.432286] Tainted: [W]=WARN [ 39.432872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.434430] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.435382] 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 [ 39.438742] RSP: 0018:ffff888014307bc0 EFLAGS: 00010286 [ 39.439769] RAX: 0000000000000000 RBX: ffffed1002860f78 RCX: ffffffff813a4050 [ 39.441112] RDX: ffff888016d3d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.442468] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002860f2f [ 39.443813] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.445157] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014307df8 [ 39.446522] FS: 00007f01867ce900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.448043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.449156] CR2: 00007ffebb54bef7 CR3: 000000000e5be000 CR4: 0000000000350ef0 [ 39.450514] Call Trace: [ 39.450998] [ 39.451470] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.452415] ? __create_object+0x59/0x80 [ 39.453191] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.454210] __vmalloc_noprof+0x59/0x60 [ 39.455004] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.455916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.456896] bpf_prog_alloc+0x39/0x200 [ 39.457667] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.458649] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.459599] do_seccomp+0x349/0x25e0 [ 39.460347] ? find_held_lock+0x2b/0x80 [ 39.461100] ? do_prlimit+0x310/0x610 [ 39.461880] ? __pfx_do_seccomp+0x10/0x10 [ 39.462704] ? do_raw_spin_unlock+0x53/0x220 [ 39.463575] ? _raw_spin_unlock+0x1e/0x40 [ 39.464392] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.465434] ? static_key_count+0x60/0x80 [ 39.466246] prctl_set_seccomp+0x4e/0x70 [ 39.467063] __do_sys_prctl+0xe6c/0x1d70 [ 39.467880] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.468778] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.469802] ? irqentry_exit+0xf3/0x650 [ 39.470597] do_syscall_64+0xbf/0x430 [ 39.471371] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.472370] RIP: 0033:0x7f0186cc05cd [ 39.473060] 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 [ 39.476412] RSP: 002b:00007ffebb549980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.477864] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0186cc05cd [ 39.479208] RDX: 00005566ad914e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.480553] RBP: 00007ffebb5499e0 R08: 0000000000000000 R09: 00007ffebb549080 [ 39.481908] R10: 0000000000000000 R11: 0000000000000246 R12: 00005566d8d6bad0 [ 39.483280] R13: 00007ffebb549e10 R14: 00005566d8d6cbc0 R15: 00005566d8d7d780 [ 39.484650] [ 39.485097] irq event stamp: 1821 [ 39.485784] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 39.487383] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 39.488980] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 39.490631] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.491689] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.964459] ------------[ cut here ]------------ [ 41.965384] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.967387] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.968803] Modules linked in: [ 41.969427] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.971413] Tainted: [W]=WARN [ 41.971962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.973405] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.974313] 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 [ 41.977702] RSP: 0018:ffff88801739fbc0 EFLAGS: 00010286 [ 41.978906] RAX: 0000000000000000 RBX: ffffed1002e73f78 RCX: ffffffff813a4050 [ 41.980630] RDX: ffff888016e10000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.982075] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e73f2f [ 41.983361] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.984639] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801739fdf8 [ 41.985926] FS: 00007f2426efc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.987342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.988392] CR2: 00007fff6558cef7 CR3: 000000000d553000 CR4: 0000000000350ef0 [ 41.989649] Call Trace: [ 41.990119] [ 41.990578] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.991468] ? __create_object+0x59/0x80 [ 41.992197] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.993150] __vmalloc_noprof+0x59/0x60 [ 41.993894] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.994684] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.995244] bpf_prog_alloc+0x39/0x200 [ 41.995710] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.996295] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.996839] do_seccomp+0x349/0x25e0 [ 41.997289] ? find_held_lock+0x2b/0x80 [ 41.997750] ? do_prlimit+0x310/0x610 [ 41.998196] ? __pfx_do_seccomp+0x10/0x10 [ 41.998662] ? do_raw_spin_unlock+0x53/0x220 [ 41.999018] ? _raw_spin_unlock+0x1e/0x40 [ 41.999367] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.999789] ? static_key_count+0x60/0x80 [ 42.000133] prctl_set_seccomp+0x4e/0x70 [ 42.000486] __do_sys_prctl+0xe6c/0x1d70 [ 42.000820] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.001182] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.001627] ? irqentry_exit+0xf3/0x650 [ 42.001962] do_syscall_64+0xbf/0x430 [ 42.002292] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.002701] RIP: 0033:0x7f24273ee5cd [ 42.003002] 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 [ 42.004439] RSP: 002b:00007fff6558bc80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.005038] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f24273ee5cd [ 42.005615] RDX: 0000556b030cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.006187] RBP: 00007fff6558bce0 R08: 0000000000000000 R09: 00007fff6558b380 [ 42.006766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556b41d9cad0 [ 42.007346] R13: 00007fff6558c110 R14: 0000556b41d9dbc0 R15: 0000556b41dae780 [ 42.007919] [ 42.008109] irq event stamp: 3165 [ 42.008403] hardirqs last enabled at (3175): [] __up_console_sem+0x78/0x80 [ 42.009079] hardirqs last disabled at (3182): [] __up_console_sem+0x5d/0x80 [ 42.009772] softirqs last enabled at (2792): [] handle_softirqs+0x50c/0x770 [ 42.010477] softirqs last disabled at (2785): [] __irq_exit_rcu+0xc4/0x100 [ 42.011145] ---[ end trace 0000000000000000 ]--- [ 42.820024] ------------[ cut here ]------------ [ 42.820792] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.822428] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.823612] Modules linked in: [ 42.824096] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.825721] Tainted: [W]=WARN [ 42.826184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.827387] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.828104] 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 [ 42.830702] RSP: 0018:ffff88801926fbc0 EFLAGS: 00010286 [ 42.831496] RAX: 0000000000000000 RBX: ffffed100324df78 RCX: ffffffff813a4050 [ 42.832537] RDX: ffff888019648000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.833594] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100324df2f [ 42.834641] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.835683] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801926fdf8 [ 42.836729] FS: 00007efdcb40b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.837913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.838771] CR2: 00007ffd0ab65ef7 CR3: 00000000208ff000 CR4: 0000000000350ef0 [ 42.839827] Call Trace: [ 42.840211] [ 42.840574] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.841305] ? __create_object+0x59/0x80 [ 42.841920] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.842702] __vmalloc_noprof+0x59/0x60 [ 42.843312] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.843996] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.844754] bpf_prog_alloc+0x39/0x200 [ 42.845349] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.846087] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.846822] do_seccomp+0x349/0x25e0 [ 42.847408] ? find_held_lock+0x2b/0x80 [ 42.847999] ? do_prlimit+0x310/0x610 [ 42.848610] ? __pfx_do_seccomp+0x10/0x10 [ 42.849223] ? do_raw_spin_unlock+0x53/0x220 [ 42.849949] ? _raw_spin_unlock+0x1e/0x40 [ 42.850601] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.851386] ? static_key_count+0x60/0x80 [ 42.852008] prctl_set_seccomp+0x4e/0x70 [ 42.852633] __do_sys_prctl+0xe6c/0x1d70 [ 42.853240] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.853950] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.854740] ? irqentry_exit+0xf3/0x650 [ 42.855353] do_syscall_64+0xbf/0x430 [ 42.855934] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.856709] RIP: 0033:0x7efdcb8fd5cd [ 42.857281] 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 [ 42.859888] RSP: 002b:00007ffd0ab63340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.861010] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efdcb8fd5cd [ 42.862083] RDX: 00005619473dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.863125] RBP: 00007ffd0ab633a0 R08: 0000000000000000 R09: 00007ffd0ab62a40 [ 42.864168] R10: 0000000000000000 R11: 0000000000000246 R12: 000056197324ead0 [ 42.865206] R13: 00007ffd0ab637d0 R14: 000056197324fbc0 R15: 0000561973260780 [ 42.866293] [ 42.866644] irq event stamp: 1717 [ 42.867146] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 42.868380] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 42.869615] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 42.870879] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 42.872117] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12623' (ECDSA) to the list of known hosts. 2025/11/18 13:35:41 fuzzer started 2025/11/18 13:35:41 dialing manager at localhost:34383 2025/11/18 13:35:41 checking machine... 2025/11/18 13:35:41 checking revisions... [ 43.748630] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:35:42 testing simple program... [ 43.853037] cgroup: Unknown subsys name 'net' [ 43.940652] cgroup: Unknown subsys name 'cpuset' [ 43.960181] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:35:41 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000001 RCX=ffff8880077c7774 RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff8880140da640 RBP=ffffffff85e1ffe0 RSP=ffff8880077c7768 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff83edf694 R13=0000000000000206 R14=ffff8880140d9bc0 R15=0000000000000002 RIP=ffffffff81528ffa RFL=00000057 [---ZAPC] 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 00007f2426efc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff65585000 CR3=000000002082a000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000015e1f501 RBX=ffffffff81619130 RCX=ffff888015e1f4dc RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888014263b7c RBP=ffff888015e1f620 RSP=ffff888015e1f570 R8 =0000000000000001 R9 =ffff888015e1f5c8 R10=000000000003c9ed R11=00000000000255ad R12=ffff888015e1f650 R13=0000000000000000 R14=ffff888015e1f8f0 R15=ffff888015e1f588 RIP=ffffffff8135e43d RFL=00000296 [--S-AP-] 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 00007f1bab1ae900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc34f7dc68 CR3=000000000e6dc000 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=2030343a35333a333120383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030343a35333a3331203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000