syzkaller login: [ 45.721514] ------------[ cut here ]------------ [ 45.722459] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.724487] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 45.725967] Modules linked in: [ 45.726579] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.728882] Tainted: [W]=WARN [ 45.729452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.731022] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.731956] 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 [ 45.735170] RSP: 0018:ffff88800e17fbc0 EFLAGS: 00010286 [ 45.736168] RAX: 0000000000000000 RBX: ffffed1001c2ff78 RCX: ffffffff813a4050 [ 45.737452] RDX: ffff888016683780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.738803] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c2ff2f [ 45.740114] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.741417] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e17fdf8 [ 45.742703] FS: 00007f2d45d38900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.744167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.745235] CR2: 00007ffedffd6ef8 CR3: 000000000e59c000 CR4: 0000000000350ef0 [ 45.746532] Call Trace: [ 45.747060] [ 45.747486] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.748382] ? __create_object+0x59/0x80 [ 45.749171] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.750156] __vmalloc_noprof+0x59/0x60 [ 45.750950] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.751834] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.752801] bpf_prog_alloc+0x39/0x200 [ 45.753497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.754437] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.755358] do_seccomp+0x349/0x25e0 [ 45.756090] ? find_held_lock+0x2b/0x80 [ 45.756864] ? do_prlimit+0x310/0x610 [ 45.757577] ? __pfx_do_seccomp+0x10/0x10 [ 45.758375] ? do_raw_spin_unlock+0x53/0x220 [ 45.759221] ? _raw_spin_unlock+0x1e/0x40 [ 45.760004] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.760983] ? static_key_count+0x60/0x80 [ 45.761801] prctl_set_seccomp+0x4e/0x70 [ 45.762546] __do_sys_prctl+0xe6c/0x1d70 [ 45.763342] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.764216] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.765206] ? irqentry_exit+0xf3/0x650 [ 45.765982] do_syscall_64+0xbf/0x430 [ 45.766725] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.767705] RIP: 0033:0x7f2d4622a5cd [ 45.768375] 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 [ 45.771576] RSP: 002b:00007ffedffd5dc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.772965] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d4622a5cd [ 45.774273] RDX: 0000558caea3fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.775571] RBP: 00007ffedffd5e20 R08: 0000000000000000 R09: 00007ffedffd54c0 [ 45.776873] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558caf027ad0 [ 45.778146] R13: 00007ffedffd6250 R14: 0000558caf028bc0 R15: 0000558caf039780 [ 45.779464] [ 45.779937] irq event stamp: 1805 [ 45.780552] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 45.782071] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 45.783636] softirqs last enabled at (1394): [] handle_softirqs+0x50c/0x770 [ 45.785186] softirqs last disabled at (1383): [] __irq_exit_rcu+0xc4/0x100 [ 45.786706] ---[ end trace 0000000000000000 ]--- [ 49.001598] ------------[ cut here ]------------ [ 49.002376] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.004082] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.005322] Modules linked in: [ 49.005850] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.007509] Tainted: [W]=WARN [ 49.008001] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.009249] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.010022] 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 [ 49.012687] RSP: 0018:ffff88800cdefbc0 EFLAGS: 00010286 [ 49.013469] RAX: 0000000000000000 RBX: ffffed10019bdf78 RCX: ffffffff813a4050 [ 49.014533] RDX: ffff88801669b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.015607] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10019bdf2f [ 49.016698] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.017772] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800cdefdf8 [ 49.018854] FS: 00007f08c730c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.020061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.020958] CR2: 00007fff8a95def8 CR3: 000000000dd94000 CR4: 0000000000350ef0 [ 49.022035] Call Trace: [ 49.022429] [ 49.022817] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.023536] ? __create_object+0x59/0x80 [ 49.024192] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.025029] __vmalloc_noprof+0x59/0x60 [ 49.025664] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.026357] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.027156] bpf_prog_alloc+0x39/0x200 [ 49.027763] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.028495] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.029248] do_seccomp+0x349/0x25e0 [ 49.029857] ? find_held_lock+0x2b/0x80 [ 49.030453] ? do_prlimit+0x310/0x610 [ 49.031083] ? __pfx_do_seccomp+0x10/0x10 [ 49.031736] ? do_raw_spin_unlock+0x53/0x220 [ 49.032392] ? _raw_spin_unlock+0x1e/0x40 [ 49.033050] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.033841] ? static_key_count+0x60/0x80 [ 49.034468] prctl_set_seccomp+0x4e/0x70 [ 49.035138] __do_sys_prctl+0xe6c/0x1d70 [ 49.035789] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.036464] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.037271] ? irqentry_exit+0xf3/0x650 [ 49.037912] do_syscall_64+0xbf/0x430 [ 49.038491] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.039301] RIP: 0033:0x7f08c77fe5cd [ 49.039894] 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 [ 49.042569] RSP: 002b:00007fff8a95b960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.043718] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08c77fe5cd [ 49.044794] RDX: 000055b401703e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.045866] RBP: 00007fff8a95b9c0 R08: 0000000000000000 R09: 00007fff8a95b060 [ 49.046931] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b417a96b10 [ 49.048016] R13: 00007fff8a95bdf0 R14: 000055b417a972b0 R15: 000055b417aab6f0 [ 49.049100] [ 49.049453] irq event stamp: 1709 [ 49.049998] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 49.051275] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 49.052552] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 49.053840] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 49.055102] ---[ end trace 0000000000000000 ]--- [ 49.850998] ------------[ cut here ]------------ [ 49.851734] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.853361] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.854524] Modules linked in: [ 49.855584] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.857253] Tainted: [W]=WARN [ 49.857737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.858906] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.859609] 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 [ 49.862161] RSP: 0018:ffff888014957bc0 EFLAGS: 00010286 [ 49.862952] RAX: 0000000000000000 RBX: ffffed100292af78 RCX: ffffffff813a4050 [ 49.863997] RDX: ffff888017509bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.865029] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100292af2f [ 49.866061] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.867093] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014957df8 [ 49.868127] FS: 00007f6b971e7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.869275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.870128] CR2: 00007f6b9774d4a6 CR3: 000000000e312000 CR4: 0000000000350ef0 [ 49.871333] Call Trace: [ 49.871846] [ 49.872243] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.873120] ? __create_object+0x59/0x80 [ 49.873883] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.874827] __vmalloc_noprof+0x59/0x60 [ 49.875529] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.876387] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.877288] bpf_prog_alloc+0x39/0x200 [ 49.878002] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.878913] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.879805] do_seccomp+0x349/0x25e0 [ 49.880455] ? find_held_lock+0x2b/0x80 [ 49.881194] ? do_prlimit+0x310/0x610 [ 49.881926] ? __pfx_do_seccomp+0x10/0x10 [ 49.882691] ? do_raw_spin_unlock+0x53/0x220 [ 49.883461] ? _raw_spin_unlock+0x1e/0x40 [ 49.884222] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.885158] ? static_key_count+0x60/0x80 [ 49.885938] prctl_set_seccomp+0x4e/0x70 [ 49.886759] __do_sys_prctl+0xe6c/0x1d70 [ 49.887494] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.888328] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.889269] ? irqentry_exit+0xf3/0x650 [ 49.890025] do_syscall_64+0xbf/0x430 [ 49.890747] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.891705] RIP: 0033:0x7f6b976d95cd [ 49.892357] 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 [ 49.895444] RSP: 002b:00007fffa4031f40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.896755] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b976d95cd [ 49.898015] RDX: 000055de47d17e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.899287] RBP: 00007fffa4031fa0 R08: 0000000000000000 R09: 00007fffa4031640 [ 49.900550] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de80825ad0 [ 49.901800] R13: 00007fffa40323d0 R14: 000055de80826bc0 R15: 000055de80837780 [ 49.903072] [ 49.903482] irq event stamp: 1833 [ 49.904107] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 49.905593] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 49.907112] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 49.908594] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 49.910079] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2590' (ECDSA) to the list of known hosts. 2025/11/18 04:40:17 fuzzer started 2025/11/18 04:40:17 dialing manager at localhost:37895 2025/11/18 04:40:17 checking machine... 2025/11/18 04:40:17 checking revisions... [ 50.820875] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:40:17 testing simple program... [ 50.895964] cgroup: Unknown subsys name 'net' [ 50.950367] cgroup: Unknown subsys name 'cpuset' [ 50.965139] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:40:17 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000002 RCX=ffffffff8161932d RDX=0000000000006193 RSI=0000000000006193 RDI=ffffffff86edc020 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88806ce08ab1 R15=ffff88806ce08a70 RIP=ffffffff8135e5e2 RFL=00000212 [----A--] 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 00007f7a054bf700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f08c78c40b0 CR3=00000000193b7000 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=2036313a30343a343020383120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036313a30343a3430203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000279ab 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=00007f4c41bc1030 CR3=00000000193b7000 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=30343a343020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363738 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000