syzkaller login: [ 39.004120] ------------[ cut here ]------------ [ 39.004933] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.006652] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/230 [ 39.007877] Modules linked in: [ 39.008375] CPU: 1 UID: 104 PID: 230 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.010104] Tainted: [W]=WARN [ 39.010576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.011820] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.012546] 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 [ 39.015205] RSP: 0018:ffff8880162f7bc0 EFLAGS: 00010286 [ 39.016015] RAX: 0000000000000000 RBX: ffffed1002c5ef78 RCX: ffffffff813a4050 [ 39.017072] RDX: ffff88800c970000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.018158] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c5ef2f [ 39.019228] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.020296] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162f7df8 [ 39.021372] FS: 00007f208e977900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.022560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.023435] CR2: 00007ffcc7c05ef7 CR3: 000000000d597000 CR4: 0000000000350ef0 [ 39.024503] Call Trace: [ 39.024917] [ 39.025269] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.026006] ? __create_object+0x59/0x80 [ 39.026617] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.027416] __vmalloc_noprof+0x59/0x60 [ 39.028046] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.028731] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.029510] bpf_prog_alloc+0x39/0x200 [ 39.030121] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.030890] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.031609] do_seccomp+0x349/0x25e0 [ 39.032200] ? find_held_lock+0x2b/0x80 [ 39.032827] ? do_prlimit+0x310/0x610 [ 39.033414] ? __pfx_do_seccomp+0x10/0x10 [ 39.034067] ? do_raw_spin_unlock+0x53/0x220 [ 39.034725] ? _raw_spin_unlock+0x1e/0x40 [ 39.035368] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.036162] ? static_key_count+0x60/0x80 [ 39.036821] prctl_set_seccomp+0x4e/0x70 [ 39.037443] __do_sys_prctl+0xe6c/0x1d70 [ 39.038089] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.038755] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.039556] ? irqentry_exit+0xf3/0x650 [ 39.040184] do_syscall_64+0xbf/0x430 [ 39.040758] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.041550] RIP: 0033:0x7f208ee695cd [ 39.042125] 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 [ 39.044738] RSP: 002b:00007ffcc7c03910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.045904] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f208ee695cd [ 39.046977] RDX: 0000557f7ca15e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.048078] RBP: 00007ffcc7c03970 R08: 0000000000000000 R09: 00007ffcc7c03010 [ 39.049171] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f8d48aad0 [ 39.050263] R13: 00007ffcc7c03da0 R14: 0000557f8d48bbc0 R15: 0000557f8d49c780 [ 39.051378] [ 39.051736] irq event stamp: 1747 [ 39.052289] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.053586] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.054894] softirqs last enabled at (1276): [] handle_softirqs+0x50c/0x770 [ 39.056241] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 39.057549] ---[ end trace 0000000000000000 ]--- [ 42.080417] ------------[ cut here ]------------ [ 42.081366] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.083328] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.084805] Modules linked in: [ 42.085401] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.087366] Tainted: [W]=WARN [ 42.087968] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.089423] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.090344] 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 [ 42.093466] RSP: 0018:ffff888017477bc0 EFLAGS: 00010286 [ 42.094520] RAX: 0000000000000000 RBX: ffffed1002e8ef78 RCX: ffffffff813a4050 [ 42.095988] RDX: ffff888018271bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.097260] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e8ef2f [ 42.098542] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.099825] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017477df8 [ 42.101093] FS: 00007f142a09b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.102528] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.103570] CR2: 00007f142a6014a6 CR3: 000000000e659000 CR4: 0000000000350ef0 [ 42.104840] Call Trace: [ 42.105311] [ 42.105713] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.106608] ? __create_object+0x59/0x80 [ 42.107384] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.108346] __vmalloc_noprof+0x59/0x60 [ 42.109113] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.110008] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.110936] bpf_prog_alloc+0x39/0x200 [ 42.111625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.112545] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.113440] do_seccomp+0x349/0x25e0 [ 42.114152] ? find_held_lock+0x2b/0x80 [ 42.114901] ? do_prlimit+0x310/0x610 [ 42.115590] ? __pfx_do_seccomp+0x10/0x10 [ 42.116372] ? do_raw_spin_unlock+0x53/0x220 [ 42.117212] ? _raw_spin_unlock+0x1e/0x40 [ 42.117991] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.118934] ? static_key_count+0x60/0x80 [ 42.119682] prctl_set_seccomp+0x4e/0x70 [ 42.120454] __do_sys_prctl+0xe6c/0x1d70 [ 42.121234] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.122093] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.123047] ? irqentry_exit+0xf3/0x650 [ 42.123756] do_syscall_64+0xbf/0x430 [ 42.124502] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.125462] RIP: 0033:0x7f142a58d5cd [ 42.126167] 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 [ 42.129336] RSP: 002b:00007ffe619fa270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.130672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f142a58d5cd [ 42.131939] RDX: 0000556087725e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.133256] RBP: 00007ffe619fa2d0 R08: 0000000000000000 R09: 00007ffe619f9970 [ 42.134195] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556092e7a2b0 [ 42.134976] R13: 00007ffe619fa700 R14: 0000556092e7cd20 R15: 0000556092e8e8d0 [ 42.135732] [ 42.136030] irq event stamp: 1771 [ 42.136398] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 42.137320] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 42.138245] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 42.139176] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 42.140103] ---[ end trace 0000000000000000 ]--- [ 43.017238] ------------[ cut here ]------------ [ 43.018299] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.020615] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.022355] Modules linked in: [ 43.023119] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.025693] Tainted: [W]=WARN [ 43.026469] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.028208] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.029292] 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 [ 43.032983] RSP: 0018:ffff88800e0b7bc0 EFLAGS: 00010286 [ 43.034161] RAX: 0000000000000000 RBX: ffffed1001c16f78 RCX: ffffffff813a4050 [ 43.035654] RDX: ffff8880162c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.037172] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c16f2f [ 43.038692] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.040185] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e0b7df8 [ 43.041698] FS: 00007f56183b6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.043377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.044632] CR2: 00007f56188a8580 CR3: 0000000020291000 CR4: 0000000000350ef0 [ 43.046192] Call Trace: [ 43.046732] [ 43.047281] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.048331] ? __create_object+0x59/0x80 [ 43.049261] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.050268] __vmalloc_noprof+0x59/0x60 [ 43.051081] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.052024] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.053015] bpf_prog_alloc+0x39/0x200 [ 43.053755] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.054871] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.055732] do_seccomp+0x349/0x25e0 [ 43.056497] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.057484] ? __pfx_do_seccomp+0x10/0x10 [ 43.058291] ? find_held_lock+0x2b/0x80 [ 43.059053] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.060021] ? static_key_count+0x60/0x80 [ 43.060773] prctl_set_seccomp+0x4e/0x70 [ 43.061574] __do_sys_prctl+0xe6c/0x1d70 [ 43.062360] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.063218] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.064186] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.065168] ? irqentry_exit+0xf3/0x650 [ 43.065933] do_syscall_64+0xbf/0x430 [ 43.066632] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.067584] RIP: 0033:0x7f56188a85cd [ 43.068290] 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 [ 43.071441] RSP: 002b:00007ffc3b5c6d20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.072811] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56188a85cd [ 43.073975] RDX: 0000562d6590ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.075017] RBP: 00007ffc3b5c6d80 R08: 0000000000000000 R09: 00007ffc3b5c6420 [ 43.076061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d878e4ad0 [ 43.077103] R13: 00007ffc3b5c71b0 R14: 0000562d878e5bc0 R15: 0000562d878f6780 [ 43.078182] [ 43.078535] irq event stamp: 2831 [ 43.079075] hardirqs last enabled at (2841): [] __up_console_sem+0x78/0x80 [ 43.080308] hardirqs last disabled at (2850): [] __up_console_sem+0x5d/0x80 [ 43.081552] softirqs last enabled at (2366): [] handle_softirqs+0x50c/0x770 [ 43.082815] softirqs last disabled at (2345): [] __irq_exit_rcu+0xc4/0x100 [ 43.084047] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1506' (ECDSA) to the list of known hosts. 2025/11/19 05:25:43 fuzzer started 2025/11/19 05:25:43 dialing manager at localhost:34383 2025/11/19 05:25:43 checking machine... 2025/11/19 05:25:43 checking revisions... [ 43.950951] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:25:43 testing simple program... [ 44.030911] cgroup: Unknown subsys name 'net' [ 44.088562] cgroup: Unknown subsys name 'cpuset' [ 44.104606] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:25:42 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016d3d340 RCX=0000000000000004 RDX=0000000000000004 RSI=0000000000000000 RDI=ffff888016d3d340 RBP=0000000000000000 RSP=ffff88806ce08d88 R8 =0000000000000001 R9 =ffffed1002da7a68 R10=ffff888016d3d347 R11=ffff88806ce37498 R12=1ffff1100d9c11b5 R13=0000000000000000 R14=0000000000000004 R15=0000000000000010 RIP=ffffffff81472c75 RFL=00000046 [---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 00007f142a09b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f142a650650 CR3=000000000ec55000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020fbb RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8167c37008 CR3=000000000d1f9000 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=133dbf3caf897984f94b19930b2aec6d XMM02=00000000002ffec8eff9b2d0a8fce9cb XMM03=00000000002fff982c67c8bc2e329bc3 XMM04=14e8e5c06996bef100000000000ae988 XMM05=d96330e2d2db8632000000000031cc70 XMM06=474038aa6c007e1f000000000031caf8 XMM07=e042d86d42eb936e000000000030c470 XMM08=6f8fffd3e7462a5d00000000002fff98 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000