[ 46.463213] ------------[ cut here ]------------ [ 46.464170] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.466203] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 46.467671] Modules linked in: [ 46.468335] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.470332] Tainted: [W]=WARN [ 46.470883] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.472385] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.473304] 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 [ 46.476427] RSP: 0018:ffff88800f1a7bc0 EFLAGS: 00010286 [ 46.477420] RAX: 0000000000000000 RBX: ffffed1001e34f78 RCX: ffffffff813a4050 [ 46.478674] RDX: ffff8880160f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.479943] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e34f2f [ 46.481231] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.482503] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f1a7df8 [ 46.483773] FS: 00007f0ec2b04900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.485209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.486275] CR2: 00007f0ec2ff6580 CR3: 0000000009ba3000 CR4: 0000000000350ef0 [ 46.487547] Call Trace: [ 46.488052] [ 46.488464] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.489380] ? __create_object+0x59/0x80 [ 46.490150] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.491114] __vmalloc_noprof+0x59/0x60 [ 46.491817] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.492689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.493604] bpf_prog_alloc+0x39/0x200 [ 46.494332] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.495252] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.496146] do_seccomp+0x349/0x25e0 [ 46.496819] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.497705] ? __pfx_do_seccomp+0x10/0x10 [ 46.498488] ? find_held_lock+0x2b/0x80 [ 46.499228] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.500182] ? static_key_count+0x60/0x80 [ 46.500989] prctl_set_seccomp+0x4e/0x70 [ 46.501709] __do_sys_prctl+0xe6c/0x1d70 [ 46.502484] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.503333] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.504285] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.505254] ? irqentry_exit+0xf3/0x650 [ 46.506015] do_syscall_64+0xbf/0x430 [ 46.506698] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.507635] RIP: 0033:0x7f0ec2ff65cd [ 46.508329] 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 [ 46.511458] RSP: 002b:00007fff61cb5d20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.512820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ec2ff65cd [ 46.514079] RDX: 000055c85ba78e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.515340] RBP: 00007fff61cb5d80 R08: 0000000000000000 R09: 00007fff61cb5420 [ 46.516612] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c866498b10 [ 46.517875] R13: 00007fff61cb61b0 R14: 000055c8664992b0 R15: 000055c8664ad6f0 [ 46.519179] [ 46.519596] irq event stamp: 1739 [ 46.520237] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 46.521757] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 46.523261] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 46.524793] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 46.526304] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.270863] ------------[ cut here ]------------ [ 49.271783] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.273869] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.275420] Modules linked in: [ 49.276068] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.278081] Tainted: [W]=WARN [ 49.278631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.280060] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.280983] 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 [ 49.284107] RSP: 0018:ffff8880166afbc0 EFLAGS: 00010286 [ 49.285094] RAX: 0000000000000000 RBX: ffffed1002cd5f78 RCX: ffffffff813a4050 [ 49.286349] RDX: ffff888017129bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.287602] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cd5f2f [ 49.288881] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.290170] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166afdf8 [ 49.291429] FS: 00007f4473341900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.292863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.293928] CR2: 00007f4473833580 CR3: 000000001e77f000 CR4: 0000000000350ef0 [ 49.295191] Call Trace: [ 49.295640] [ 49.296091] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.297003] ? __create_object+0x59/0x80 [ 49.297727] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.298693] __vmalloc_noprof+0x59/0x60 [ 49.299436] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.300294] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.301236] bpf_prog_alloc+0x39/0x200 [ 49.301978] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.302847] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.303735] do_seccomp+0x349/0x25e0 [ 49.304434] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.305352] ? __pfx_do_seccomp+0x10/0x10 [ 49.306138] ? find_held_lock+0x2b/0x80 [ 49.306837] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.307781] ? static_key_count+0x60/0x80 [ 49.308599] prctl_set_seccomp+0x4e/0x70 [ 49.309385] __do_sys_prctl+0xe6c/0x1d70 [ 49.310165] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.311004] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.311964] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.312882] ? irqentry_exit+0xf3/0x650 [ 49.313646] do_syscall_64+0xbf/0x430 [ 49.314385] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.315335] RIP: 0033:0x7f44738335cd [ 49.316033] 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 [ 49.319199] RSP: 002b:00007ffd04cdcdc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.320576] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44738335cd [ 49.321834] RDX: 000055814ce90e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.323103] RBP: 00007ffd04cdce20 R08: 0000000000000000 R09: 00007ffd04cdc4c0 [ 49.324384] R10: 0000000000000000 R11: 0000000000000246 R12: 000055818bd5cad0 [ 49.325673] R13: 00007ffd04cdd250 R14: 000055818bd5dbc0 R15: 000055818bd6e780 [ 49.326971] [ 49.327387] irq event stamp: 1759 [ 49.328086] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 49.329605] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 49.331130] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 49.332670] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 49.333764] ---[ end trace 0000000000000000 ]--- [ 50.008031] ------------[ cut here ]------------ [ 50.008963] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.011000] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/257 [ 50.012442] Modules linked in: [ 50.013072] CPU: 1 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.015057] Tainted: [W]=WARN [ 50.015612] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.017325] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.018316] 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 [ 50.021499] RSP: 0018:ffff88801665fbc0 EFLAGS: 00010286 [ 50.022480] RAX: 0000000000000000 RBX: ffffed1002ccbf78 RCX: ffffffff813a4050 [ 50.023756] RDX: ffff8880160f9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.025050] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ccbf2f [ 50.026329] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.027607] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801665fdf8 [ 50.028890] FS: 00007f4709320900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.030339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.031396] CR2: 00007f47098864a6 CR3: 000000000b60d000 CR4: 0000000000350ef0 [ 50.032761] Call Trace: [ 50.033260] [ 50.033669] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.034546] ? __create_object+0x59/0x80 [ 50.035314] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.036280] __vmalloc_noprof+0x59/0x60 [ 50.037077] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.037946] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.038836] bpf_prog_alloc+0x39/0x200 [ 50.039570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.040502] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.041419] do_seccomp+0x349/0x25e0 [ 50.042134] ? find_held_lock+0x2b/0x80 [ 50.042872] ? do_prlimit+0x310/0x610 [ 50.043619] ? __pfx_do_seccomp+0x10/0x10 [ 50.044410] ? do_raw_spin_unlock+0x53/0x220 [ 50.045251] ? _raw_spin_unlock+0x1e/0x40 [ 50.046036] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.046999] ? static_key_count+0x60/0x80 [ 50.047760] prctl_set_seccomp+0x4e/0x70 [ 50.048529] __do_sys_prctl+0xe6c/0x1d70 [ 50.049319] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.050180] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.051145] ? irqentry_exit+0xf3/0x650 [ 50.051873] do_syscall_64+0xbf/0x430 [ 50.052623] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.053568] RIP: 0033:0x7f47098125cd [ 50.054282] 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 [ 50.057462] RSP: 002b:00007ffd87777150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.058812] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f47098125cd [ 50.060070] RDX: 0000559028fb9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.061350] RBP: 00007ffd877771b0 R08: 0000000000000000 R09: 00007ffd87776850 [ 50.062629] R10: 0000000000000000 R11: 0000000000000246 R12: 000055903f2e3ad0 [ 50.063931] R13: 00007ffd877775e0 R14: 000055903f2e4bc0 R15: 000055903f2f5780 [ 50.065240] [ 50.065665] irq event stamp: 1881 [ 50.066314] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 50.067831] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 50.069341] softirqs last enabled at (1530): [] handle_softirqs+0x50c/0x770 [ 50.070641] softirqs last disabled at (1525): [] __irq_exit_rcu+0xc4/0x100 [ 50.071929] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39022' (ECDSA) to the list of known hosts. 2025/11/17 16:12:21 fuzzer started 2025/11/17 16:12:22 dialing manager at localhost:37895 2025/11/17 16:12:22 checking machine... 2025/11/17 16:12:22 checking revisions... [ 50.882246] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:12:22 testing simple program... [ 50.958836] cgroup: Unknown subsys name 'net' [ 51.024289] cgroup: Unknown subsys name 'cpuset' [ 51.053740] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:12:21 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff888017128000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888017128a80 RDI=ffff888017128a80 RBP=ffff888017128a58 RSP=ffff888019d1f2c0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888017128a80 R13=f83118ee9175ffc2 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f3 RFL=00000007 [-----PC] 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 00007f4473341900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f447330b008 CR3=0000000009fb7000 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=0000000000027b2f 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1f6c4f6000 CR3=000000000e51d000 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=32313a363120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3834325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383331 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000