[ 38.868388] ------------[ cut here ]------------ [ 38.868975] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.870309] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.871253] Modules linked in: [ 38.871631] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.872901] Tainted: [W]=WARN [ 38.873601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.874544] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.875147] 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 [ 38.877204] RSP: 0018:ffff888017517bc0 EFLAGS: 00010286 [ 38.877811] RAX: 0000000000000000 RBX: ffffed1002ea2f78 RCX: ffffffff813a4050 [ 38.878654] RDX: ffff88800e051bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.879484] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea2f2f [ 38.880305] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.881122] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017517df8 [ 38.881955] FS: 00007f2b7b9b3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.882874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.883565] CR2: 00007f2b7bea5580 CR3: 000000000c193000 CR4: 0000000000350ef0 [ 38.884396] Call Trace: [ 38.884692] [ 38.884987] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.885552] ? __create_object+0x59/0x80 [ 38.886069] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.886679] __vmalloc_noprof+0x59/0x60 [ 38.887186] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.887725] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.888326] bpf_prog_alloc+0x39/0x200 [ 38.888777] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.889374] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.889967] do_seccomp+0x349/0x25e0 [ 38.890404] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.890986] ? __pfx_do_seccomp+0x10/0x10 [ 38.891470] ? find_held_lock+0x2b/0x80 [ 38.891961] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.892557] ? static_key_count+0x60/0x80 [ 38.893077] prctl_set_seccomp+0x4e/0x70 [ 38.893540] __do_sys_prctl+0xe6c/0x1d70 [ 38.894062] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.894571] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.895187] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.895770] ? irqentry_exit+0xf3/0x650 [ 38.896263] do_syscall_64+0xbf/0x430 [ 38.896701] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.897303] RIP: 0033:0x7f2b7bea55cd [ 38.897732] 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 [ 38.899746] RSP: 002b:00007ffe928f5980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.900605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b7bea55cd [ 38.901418] RDX: 000055d8f9574e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.902239] RBP: 00007ffe928f59e0 R08: 0000000000000000 R09: 00007ffe928f5080 [ 38.903065] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d905655bf0 [ 38.903845] R13: 00007ffe928f5e10 R14: 000055d90565f380 R15: 000055d90566a460 [ 38.904699] [ 38.905033] irq event stamp: 1627 [ 38.905427] hardirqs last enabled at (1635): [] __up_console_sem+0x78/0x80 [ 38.906429] hardirqs last disabled at (1644): [] __up_console_sem+0x5d/0x80 [ 38.907427] softirqs last enabled at (1204): [] handle_softirqs+0x50c/0x770 [ 38.908440] softirqs last disabled at (1199): [] __irq_exit_rcu+0xc4/0x100 [ 38.909426] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.250512] ------------[ cut here ]------------ [ 41.251468] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.253512] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.255002] Modules linked in: [ 41.255605] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.257657] Tainted: [W]=WARN [ 41.258251] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.259756] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.260687] 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 [ 41.263914] RSP: 0018:ffff888018c97bc0 EFLAGS: 00010286 [ 41.264909] RAX: 0000000000000000 RBX: ffffed1003192f78 RCX: ffffffff813a4050 [ 41.266252] RDX: ffff8880140e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.267527] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003192f2f [ 41.268817] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.270102] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018c97df8 [ 41.271380] FS: 00007f4fad083900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.272842] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.273925] CR2: 00007f4fad575580 CR3: 0000000018d23000 CR4: 0000000000350ef0 [ 41.275248] Call Trace: [ 41.275718] [ 41.276177] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.277071] ? __create_object+0x59/0x80 [ 41.277828] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.278814] __vmalloc_noprof+0x59/0x60 [ 41.279584] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.280461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.281405] bpf_prog_alloc+0x39/0x200 [ 41.282154] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.283108] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.284035] do_seccomp+0x349/0x25e0 [ 41.284713] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.285632] ? __pfx_do_seccomp+0x10/0x10 [ 41.286418] ? find_held_lock+0x2b/0x80 [ 41.287186] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.288160] ? static_key_count+0x60/0x80 [ 41.288927] prctl_set_seccomp+0x4e/0x70 [ 41.289729] __do_sys_prctl+0xe6c/0x1d70 [ 41.290526] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.291398] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.292378] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.293358] ? irqentry_exit+0xf3/0x650 [ 41.294156] do_syscall_64+0xbf/0x430 [ 41.294855] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.295824] RIP: 0033:0x7f4fad5755cd [ 41.296532] 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 [ 41.299734] RSP: 002b:00007ffeaf8e8c30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.301111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4fad5755cd [ 41.302436] RDX: 000055c8a9300e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.303731] RBP: 00007ffeaf8e8c90 R08: 0000000000000000 R09: 00007ffeaf8e8330 [ 41.305025] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c8dc34c2b0 [ 41.306334] R13: 00007ffeaf8e90c0 R14: 000055c8dc34ed20 R15: 000055c8dc3608d0 [ 41.307659] [ 41.308134] irq event stamp: 1731 [ 41.308750] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 41.310303] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 41.311872] softirqs last enabled at (1632): [] handle_softirqs+0x50c/0x770 [ 41.313431] softirqs last disabled at (1627): [] __irq_exit_rcu+0xc4/0x100 [ 41.314972] ---[ end trace 0000000000000000 ]--- [ 42.055829] ------------[ cut here ]------------ [ 42.056777] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.058907] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.060459] Modules linked in: [ 42.061119] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.063259] Tainted: [W]=WARN [ 42.063843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.065391] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.066380] 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 [ 42.069744] RSP: 0018:ffff888018337bc0 EFLAGS: 00010286 [ 42.070771] RAX: 0000000000000000 RBX: ffffed1003066f78 RCX: ffffffff813a4050 [ 42.072120] RDX: ffff8880140e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.073462] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003066f2f [ 42.074817] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.076170] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018337df8 [ 42.077516] FS: 00007f1a72280900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.079043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.080166] CR2: 00007fff0877aef8 CR3: 000000000cf59000 CR4: 0000000000350ef0 [ 42.081609] Call Trace: [ 42.082125] [ 42.082545] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.083462] ? __create_object+0x59/0x80 [ 42.084263] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.085242] __vmalloc_noprof+0x59/0x60 [ 42.086027] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.086878] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.087829] bpf_prog_alloc+0x39/0x200 [ 42.088577] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.089527] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.090462] do_seccomp+0x349/0x25e0 [ 42.091190] ? find_held_lock+0x2b/0x80 [ 42.091924] ? do_prlimit+0x310/0x610 [ 42.092686] ? __pfx_do_seccomp+0x10/0x10 [ 42.093493] ? do_raw_spin_unlock+0x53/0x220 [ 42.094352] ? _raw_spin_unlock+0x1e/0x40 [ 42.095153] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.096145] ? static_key_count+0x60/0x80 [ 42.096925] prctl_set_seccomp+0x4e/0x70 [ 42.097727] __do_sys_prctl+0xe6c/0x1d70 [ 42.098529] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.099406] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.100395] ? irqentry_exit+0xf3/0x650 [ 42.101174] do_syscall_64+0xbf/0x430 [ 42.101899] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.102870] RIP: 0033:0x7f1a727725cd [ 42.103588] 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 [ 42.106857] RSP: 002b:00007fff08778d30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.108256] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a727725cd [ 42.109572] RDX: 0000561d7e78de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.110909] RBP: 00007fff08778d90 R08: 0000000000000000 R09: 00007fff08778430 [ 42.112238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561d84d60ad0 [ 42.113545] R13: 00007fff087791c0 R14: 0000561d84d61bc0 R15: 0000561d84d72780 [ 42.114890] [ 42.116432] irq event stamp: 1791 [ 42.118904] hardirqs last enabled at (2015): [] __up_console_sem+0x78/0x80 [ 42.120516] hardirqs last disabled at (2026): [] __up_console_sem+0x5d/0x80 [ 42.122089] softirqs last enabled at (2012): [] handle_softirqs+0x50c/0x770 [ 42.123681] softirqs last disabled at (1799): [] __irq_exit_rcu+0xc4/0x100 [ 42.125229] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28197' (ECDSA) to the list of known hosts. 2025/11/17 09:46:40 fuzzer started 2025/11/17 09:46:41 dialing manager at localhost:37895 2025/11/17 09:46:41 checking machine... 2025/11/17 09:46:41 checking revisions... [ 43.023827] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:46:41 testing simple program... [ 43.112144] cgroup: Unknown subsys name 'net' [ 43.167593] cgroup: Unknown subsys name 'cpuset' [ 43.183207] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:46:40 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff88800cb27840 RCX=0000000000000001 RDX=ffff88800cb28001 RSI=ffff88800cb27820 RDI=ffff88800cb274c8 RBP=ffff88800cb20000 RSP=ffff88800cb27448 R8 =0000000000000001 R9 =ffff88800cb274f8 R10=000000000003c9ed R11=000000000002560c R12=ffff88800cb27501 R13=ffff88800cb27500 R14=ffff88800cb27820 R15=ffff88800cb274b8 RIP=ffffffff8135eecb 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 00007f4fad083900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4fad062020 CR3=000000000ccb3000 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=000000000002246d 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4fad638650 CR3=000000000cd7f000 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=2030343a36343a393020373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039333a36343a3930203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000