syzkaller login: [ 39.021244] ------------[ cut here ]------------ [ 39.022155] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.024090] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.025525] Modules linked in: [ 39.026150] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.028275] Tainted: [W]=WARN [ 39.029035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.030844] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.031850] 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 [ 39.035041] RSP: 0018:ffff88801bc67bc0 EFLAGS: 00010286 [ 39.036035] RAX: 0000000000000000 RBX: ffffed100378cf78 RCX: ffffffff813a4050 [ 39.037340] RDX: ffff88800fd19bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.038601] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100378cf2f [ 39.039851] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.041111] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bc67df8 [ 39.042360] FS: 00007f6c4dccb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.043760] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.044809] CR2: 00007ffcb9456ef8 CR3: 000000000beed000 CR4: 0000000000350ef0 [ 39.046069] Call Trace: [ 39.046525] [ 39.046956] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.047831] ? __create_object+0x59/0x80 [ 39.048553] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.049514] __vmalloc_noprof+0x59/0x60 [ 39.050243] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.051118] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.052063] bpf_prog_alloc+0x39/0x200 [ 39.052839] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.053758] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.054605] do_seccomp+0x349/0x25e0 [ 39.055359] ? find_held_lock+0x2b/0x80 [ 39.056127] ? do_prlimit+0x310/0x610 [ 39.056896] ? __pfx_do_seccomp+0x10/0x10 [ 39.057634] ? do_raw_spin_unlock+0x53/0x220 [ 39.058484] ? _raw_spin_unlock+0x1e/0x40 [ 39.059303] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.060254] ? static_key_count+0x60/0x80 [ 39.061055] prctl_set_seccomp+0x4e/0x70 [ 39.061821] __do_sys_prctl+0xe6c/0x1d70 [ 39.062539] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.063368] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.064317] ? irqentry_exit+0xf3/0x650 [ 39.065065] do_syscall_64+0xbf/0x430 [ 39.065783] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.066663] RIP: 0033:0x7f6c4e1bd5cd [ 39.067356] 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 [ 39.070439] RSP: 002b:00007ffcb94552b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.071785] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c4e1bd5cd [ 39.073057] RDX: 0000555937f91e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.074303] RBP: 00007ffcb9455310 R08: 0000000000000000 R09: 00007ffcb94549b0 [ 39.075568] R10: 0000000000000000 R11: 0000000000000246 R12: 000055595aa27240 [ 39.076821] R13: 00007ffcb9455740 R14: 000055595aa30380 R15: 000055595aa3b540 [ 39.078084] [ 39.078497] irq event stamp: 1669 [ 39.079121] hardirqs last enabled at (1679): [] __up_console_sem+0x78/0x80 [ 39.080595] hardirqs last disabled at (1688): [] __up_console_sem+0x5d/0x80 [ 39.082090] softirqs last enabled at (1638): [] handle_softirqs+0x50c/0x770 [ 39.083591] softirqs last disabled at (1633): [] __irq_exit_rcu+0xc4/0x100 [ 39.085081] ---[ end trace 0000000000000000 ]--- [ 42.407407] ------------[ cut here ]------------ [ 42.408321] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.410341] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.411802] Modules linked in: [ 42.412390] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.414385] Tainted: [W]=WARN [ 42.415073] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.416557] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.417498] 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 [ 42.420714] RSP: 0018:ffff88801911fbc0 EFLAGS: 00010286 [ 42.421653] RAX: 0000000000000000 RBX: ffffed1003223f78 RCX: ffffffff813a4050 [ 42.422985] RDX: ffff8880175d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.424285] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003223f2f [ 42.425590] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.426870] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801911fdf8 [ 42.428157] FS: 00007f1fea5c8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.429615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.430709] CR2: 00007fff4afc7ef8 CR3: 000000002041c000 CR4: 0000000000350ef0 [ 42.432004] Call Trace: [ 42.432477] [ 42.432948] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.433851] ? __create_object+0x59/0x80 [ 42.434582] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.435536] __vmalloc_noprof+0x59/0x60 [ 42.436333] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.437242] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.438193] bpf_prog_alloc+0x39/0x200 [ 42.438935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.439887] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.440819] do_seccomp+0x349/0x25e0 [ 42.441497] ? find_held_lock+0x2b/0x80 [ 42.442269] ? do_prlimit+0x310/0x610 [ 42.443020] ? __pfx_do_seccomp+0x10/0x10 [ 42.443803] ? do_raw_spin_unlock+0x53/0x220 [ 42.444586] ? _raw_spin_unlock+0x1e/0x40 [ 42.445368] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.446338] ? static_key_count+0x60/0x80 [ 42.447150] prctl_set_seccomp+0x4e/0x70 [ 42.447941] __do_sys_prctl+0xe6c/0x1d70 [ 42.448736] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.449560] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.450548] ? irqentry_exit+0xf3/0x650 [ 42.451331] do_syscall_64+0xbf/0x430 [ 42.452074] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.453040] RIP: 0033:0x7f1feaaba5cd [ 42.453761] 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 [ 42.456965] RSP: 002b:00007fff4afc5f20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.458358] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1feaaba5cd [ 42.459661] RDX: 000055e896e45e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.460993] RBP: 00007fff4afc5f80 R08: 0000000000000000 R09: 00007fff4afc5620 [ 42.462282] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e8a44d6ad0 [ 42.463573] R13: 00007fff4afc63b0 R14: 000055e8a44d7bc0 R15: 000055e8a44e8780 [ 42.464885] [ 42.465316] irq event stamp: 1751 [ 42.465972] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 42.467509] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 42.469059] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 42.470606] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 42.472120] ---[ end trace 0000000000000000 ]--- [ 43.246012] ------------[ cut here ]------------ [ 43.246996] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.249023] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.250474] Modules linked in: [ 43.251144] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.253139] Tainted: [W]=WARN [ 43.253746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.255222] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.256162] 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 [ 43.259371] RSP: 0018:ffff88801911fbc0 EFLAGS: 00010286 [ 43.260360] RAX: 0000000000000000 RBX: ffffed1003223f78 RCX: ffffffff813a4050 [ 43.261650] RDX: ffff888017820000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.262928] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003223f2f [ 43.264203] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.265501] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801911fdf8 [ 43.266782] FS: 00007f873a94f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.268229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.269309] CR2: 00007f873aeb54a6 CR3: 000000001fd90000 CR4: 0000000000350ef0 [ 43.270605] Call Trace: [ 43.271109] [ 43.271523] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.272445] ? __create_object+0x59/0x80 [ 43.273254] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.274243] __vmalloc_noprof+0x59/0x60 [ 43.275025] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.275911] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.276870] bpf_prog_alloc+0x39/0x200 [ 43.277566] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.278495] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.279401] do_seccomp+0x349/0x25e0 [ 43.280126] ? find_held_lock+0x2b/0x80 [ 43.280909] ? do_prlimit+0x310/0x610 [ 43.281609] ? __pfx_do_seccomp+0x10/0x10 [ 43.282403] ? do_raw_spin_unlock+0x53/0x220 [ 43.283252] ? _raw_spin_unlock+0x1e/0x40 [ 43.284041] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.285026] ? static_key_count+0x60/0x80 [ 43.285839] prctl_set_seccomp+0x4e/0x70 [ 43.286574] __do_sys_prctl+0xe6c/0x1d70 [ 43.287357] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.288236] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.289225] ? irqentry_exit+0xf3/0x650 [ 43.290003] do_syscall_64+0xbf/0x430 [ 43.290764] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.291678] RIP: 0033:0x7f873ae415cd [ 43.292402] 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 [ 43.295592] RSP: 002b:00007fff9e260250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.296971] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f873ae415cd [ 43.298246] RDX: 000055fd85ff3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.299514] RBP: 00007fff9e2602b0 R08: 0000000000000000 R09: 00007fff9e25f950 [ 43.300829] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fdaa5ddad0 [ 43.302044] R13: 00007fff9e2606e0 R14: 000055fdaa5debc0 R15: 000055fdaa5ef780 [ 43.303199] [ 43.303575] irq event stamp: 1741 [ 43.304156] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 43.305531] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 43.306885] softirqs last enabled at (1248): [] handle_softirqs+0x50c/0x770 [ 43.308264] softirqs last disabled at (1239): [] __irq_exit_rcu+0xc4/0x100 [ 43.309639] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47460' (ECDSA) to the list of known hosts. 2025/11/18 16:26:29 fuzzer started 2025/11/18 16:26:29 dialing manager at localhost:34383 2025/11/18 16:26:29 checking machine... 2025/11/18 16:26:29 checking revisions... [ 44.233893] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:26:30 testing simple program... [ 44.328916] cgroup: Unknown subsys name 'net' [ 44.395511] cgroup: Unknown subsys name 'cpuset' [ 44.408384] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:26:29 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000002 RCX=ffffffff822c96ed RDX=1ffff11003a83d75 RSI=ffffffff822c9714 RDI=ffff88801d41eba8 RBP=ffff888014676000 RSP=ffff888016fe7ca0 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000000002 R11=0000000000000001 R12=0000000000000ab9 R13=ffff888014676060 R14=ffff88801d41eb70 R15=ffff88800f2a9bc0 RIP=ffffffff822c972d RFL=00000246 [---Z-P-] 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 00007fccdda87700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f023b8e6000 CR3=000000000cfed000 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=2038323a36323a363120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038323a36323a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000186 RBX=ffff8880175d5340 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880175d5dc0 RDI=ffff8880175d5d98 RBP=ffff8880175d5d98 RSP=ffff88801b187548 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880175d5dc0 R13=b3e1365a875bb4c5 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f3 RFL=00000003 [------C] 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 00007f1fea5c8900 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=00007f1fea5a7020 CR3=000000002049f000 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