[ 39.005245] ------------[ cut here ]------------ [ 39.006288] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.008614] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.010294] Modules linked in: [ 39.011020] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.013300] Tainted: [W]=WARN [ 39.013994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.015681] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.016731] 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 [ 39.020397] RSP: 0018:ffff88800f5d7bc0 EFLAGS: 00010286 [ 39.021540] RAX: 0000000000000000 RBX: ffffed1001ebaf78 RCX: ffffffff813a4050 [ 39.023013] RDX: ffff88800f54d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.024488] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ebaf2f [ 39.025975] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.027442] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f5d7df8 [ 39.028910] FS: 00007fe064a07900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.030582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.031803] CR2: 00007ffc904baef7 CR3: 0000000010126000 CR4: 0000000000350ef0 [ 39.033274] Call Trace: [ 39.033897] [ 39.034307] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.035195] ? __create_object+0x59/0x80 [ 39.035961] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.036905] __vmalloc_noprof+0x59/0x60 [ 39.037669] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.038521] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.039437] bpf_prog_alloc+0x39/0x200 [ 39.040116] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.041021] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.041934] do_seccomp+0x349/0x25e0 [ 39.042638] ? find_held_lock+0x2b/0x80 [ 39.043384] ? do_prlimit+0x310/0x610 [ 39.044067] ? __pfx_do_seccomp+0x10/0x10 [ 39.044836] ? do_raw_spin_unlock+0x53/0x220 [ 39.045662] ? _raw_spin_unlock+0x1e/0x40 [ 39.046427] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.047374] ? static_key_count+0x60/0x80 [ 39.048110] prctl_set_seccomp+0x4e/0x70 [ 39.048858] __do_sys_prctl+0xe6c/0x1d70 [ 39.049638] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.050482] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.051443] ? irqentry_exit+0xf3/0x650 [ 39.052151] do_syscall_64+0xbf/0x430 [ 39.052883] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.053836] RIP: 0033:0x7fe064ef95cd [ 39.054525] 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 [ 39.057649] RSP: 002b:00007ffc904b9d20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.058753] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe064ef95cd [ 39.059776] RDX: 000055f5808cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.060796] RBP: 00007ffc904b9d80 R08: 0000000000000000 R09: 00007ffc904b9420 [ 39.061824] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f5977d2ad0 [ 39.062850] R13: 00007ffc904ba1b0 R14: 000055f5977d3bc0 R15: 000055f5977e4780 [ 39.063890] [ 39.064236] irq event stamp: 1715 [ 39.064760] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 39.065979] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 39.067200] softirqs last enabled at (1638): [] handle_softirqs+0x50c/0x770 [ 39.068425] softirqs last disabled at (1633): [] __irq_exit_rcu+0xc4/0x100 [ 39.069663] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.055652] ------------[ cut here ]------------ [ 42.056635] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.058835] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.060376] Modules linked in: [ 42.061001] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.063071] Tainted: [W]=WARN [ 42.063699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.065265] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.066195] 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 [ 42.069574] RSP: 0018:ffff88801994fbc0 EFLAGS: 00010286 [ 42.070594] RAX: 0000000000000000 RBX: ffffed1003329f78 RCX: ffffffff813a4050 [ 42.071955] RDX: ffff888017763780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.073289] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003329f2f [ 42.074670] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.076033] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801994fdf8 [ 42.077377] FS: 00007f54ddaaf900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.078921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.080016] CR2: 00007f54de0154a6 CR3: 000000000d3bd000 CR4: 0000000000350ef0 [ 42.081377] Call Trace: [ 42.081861] [ 42.082279] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.083212] ? __create_object+0x59/0x80 [ 42.084043] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.085055] __vmalloc_noprof+0x59/0x60 [ 42.085871] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.086775] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.087760] bpf_prog_alloc+0x39/0x200 [ 42.088519] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.089502] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.090456] do_seccomp+0x349/0x25e0 [ 42.091146] ? find_held_lock+0x2b/0x80 [ 42.091947] ? do_prlimit+0x310/0x610 [ 42.092719] ? __pfx_do_seccomp+0x10/0x10 [ 42.093568] ? do_raw_spin_unlock+0x53/0x220 [ 42.094428] ? _raw_spin_unlock+0x1e/0x40 [ 42.095196] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.096222] ? static_key_count+0x60/0x80 [ 42.097042] prctl_set_seccomp+0x4e/0x70 [ 42.097875] __do_sys_prctl+0xe6c/0x1d70 [ 42.098712] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.099600] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.100630] ? irqentry_exit+0xf3/0x650 [ 42.101441] do_syscall_64+0xbf/0x430 [ 42.102178] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.103183] RIP: 0033:0x7f54ddfa15cd [ 42.103891] 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 [ 42.107061] RSP: 002b:00007fff5a87c0c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.108430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f54ddfa15cd [ 42.109750] RDX: 000055ea50413e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.111035] RBP: 00007fff5a87c120 R08: 0000000000000000 R09: 00007fff5a87b7c0 [ 42.112344] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ea713c6bf0 [ 42.113630] R13: 00007fff5a87c550 R14: 000055ea713d0380 R15: 000055ea713db460 [ 42.114931] [ 42.115410] irq event stamp: 1769 [ 42.116009] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 42.117549] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 42.118945] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 42.120229] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 42.121505] ---[ end trace 0000000000000000 ]--- [ 42.850732] ------------[ cut here ]------------ [ 42.851705] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.853828] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.855395] Modules linked in: [ 42.856004] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.858045] Tainted: [W]=WARN [ 42.858660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.860162] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.861120] 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 [ 42.864372] RSP: 0018:ffff8880199d7bc0 EFLAGS: 00010286 [ 42.865373] RAX: 0000000000000000 RBX: ffffed100333af78 RCX: ffffffff813a4050 [ 42.866689] RDX: ffff88800c211bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.867993] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100333af2f [ 42.869310] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.870637] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880199d7df8 [ 42.871945] FS: 00007ff479f6f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.873416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.874489] CR2: 00007ffd1e638ef7 CR3: 000000000d054000 CR4: 0000000000350ef0 [ 42.875791] Call Trace: [ 42.876272] [ 42.876738] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.877663] ? __create_object+0x59/0x80 [ 42.878455] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.879414] __vmalloc_noprof+0x59/0x60 [ 42.880137] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.881019] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.881982] bpf_prog_alloc+0x39/0x200 [ 42.882732] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.883668] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.884579] do_seccomp+0x349/0x25e0 [ 42.885251] ? find_held_lock+0x2b/0x80 [ 42.886040] ? do_prlimit+0x310/0x610 [ 42.886791] ? __pfx_do_seccomp+0x10/0x10 [ 42.887576] ? do_raw_spin_unlock+0x53/0x220 [ 42.888417] ? _raw_spin_unlock+0x1e/0x40 [ 42.889148] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.890121] ? static_key_count+0x60/0x80 [ 42.890926] prctl_set_seccomp+0x4e/0x70 [ 42.892126] __do_sys_prctl+0xe6c/0x1d70 [ 42.892924] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.893796] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.894760] ? irqentry_exit+0xf3/0x650 [ 42.895525] do_syscall_64+0xbf/0x430 [ 42.896228] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.897179] RIP: 0033:0x7ff47a4615cd [ 42.897889] 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 [ 42.901087] RSP: 002b:00007ffd1e636a40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.902487] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff47a4615cd [ 42.903751] RDX: 000055895b9c9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.905023] RBP: 00007ffd1e636aa0 R08: 0000000000000000 R09: 00007ffd1e636140 [ 42.906363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558989df62b0 [ 42.907674] R13: 00007ffd1e636ed0 R14: 0000558989df8d20 R15: 0000558989e0a8d0 [ 42.908996] [ 42.909466] irq event stamp: 1755 [ 42.910076] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 42.911585] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 42.913122] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 42.914690] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 42.916215] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53268' (ECDSA) to the list of known hosts. 2025/11/17 14:26:05 fuzzer started 2025/11/17 14:26:05 dialing manager at localhost:37895 2025/11/17 14:26:05 checking machine... 2025/11/17 14:26:05 checking revisions... [ 43.803978] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:26:05 testing simple program... [ 43.890371] cgroup: Unknown subsys name 'net' [ 43.961983] cgroup: Unknown subsys name 'cpuset' [ 43.983869] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:26:04 Registers: info registers vcpu 0 RAX=ffff88806ce09001 RBX=0000000000000002 RCX=0000000000000002 RDX=ffff88806ce08e01 RSI=ffff88806ce08e48 RDI=ffff88806ce08e48 RBP=ffff88806ce08a88 RSP=ffff88806ce089b8 R8 =ffffffff86aaf52c R9 =ffff88806ce08a70 R10=000000000003c9ed R11=0000000000023e3c R12=ffff88806ce08a90 R13=ffff88806ce08a78 R14=ffff88806ce08e50 R15=ffff88806ce08a30 RIP=ffffffff8135da20 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 00007f54ddaaf900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f54dda8e020 CR3=000000001fe6e000 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=0000000000021b7f 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0bf40011d8 CR3=000000000d49f000 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=36323a343120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363836 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000