syzkaller login: [ 38.965685] ------------[ cut here ]------------ [ 38.966599] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.968681] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.970444] Modules linked in: [ 38.971038] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.973149] Tainted: [W]=WARN [ 38.973769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.975265] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.976207] 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 [ 38.979434] RSP: 0018:ffff888015c3fbc0 EFLAGS: 00010286 [ 38.980440] RAX: 0000000000000000 RBX: ffffed1002b87f78 RCX: ffffffff813a4050 [ 38.981773] RDX: ffff88800eda3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.983082] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b87f2f [ 38.984364] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.985715] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c3fdf8 [ 38.987032] FS: 00007f36fb53b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.988468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.989573] CR2: 00007ffd30935ef7 CR3: 0000000014392000 CR4: 0000000000350ef0 [ 38.990884] Call Trace: [ 38.991350] [ 38.991836] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.992736] ? __create_object+0x59/0x80 [ 38.993574] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.994576] __vmalloc_noprof+0x59/0x60 [ 38.995290] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.996163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.997151] bpf_prog_alloc+0x39/0x200 [ 38.997916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.998858] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.999770] do_seccomp+0x349/0x25e0 [ 39.000520] ? find_held_lock+0x2b/0x80 [ 39.001275] ? do_prlimit+0x310/0x610 [ 39.002046] ? __pfx_do_seccomp+0x10/0x10 [ 39.002852] ? do_raw_spin_unlock+0x53/0x220 [ 39.003702] ? _raw_spin_unlock+0x1e/0x40 [ 39.004504] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.005513] ? static_key_count+0x60/0x80 [ 39.006276] prctl_set_seccomp+0x4e/0x70 [ 39.007046] __do_sys_prctl+0xe6c/0x1d70 [ 39.007814] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.008683] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.009689] ? irqentry_exit+0xf3/0x650 [ 39.010456] do_syscall_64+0xbf/0x430 [ 39.011146] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.012089] RIP: 0033:0x7f36fba2d5cd [ 39.012826] 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 [ 39.016056] RSP: 002b:00007ffd30933cd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.017474] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f36fba2d5cd [ 39.018752] RDX: 000056296d9b0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.020069] RBP: 00007ffd30933d30 R08: 0000000000000000 R09: 00007ffd309333d0 [ 39.021314] R10: 0000000000000000 R11: 0000000000000246 R12: 00005629879c2ad0 [ 39.022398] R13: 00007ffd30934160 R14: 00005629879c3bc0 R15: 00005629879d4780 [ 39.023476] [ 39.023824] irq event stamp: 1791 [ 39.024319] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 39.025615] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 39.026868] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 39.028178] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 39.029489] ---[ end trace 0000000000000000 ]--- [ 41.864584] ------------[ cut here ]------------ [ 41.865028] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.865990] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.866681] Modules linked in: [ 41.866960] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.867908] Tainted: [W]=WARN [ 41.868170] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.868856] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.869282] 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 [ 41.870804] RSP: 0018:ffff888016ee7bc0 EFLAGS: 00010286 [ 41.871258] RAX: 0000000000000000 RBX: ffffed1002ddcf78 RCX: ffffffff813a4050 [ 41.871882] RDX: ffff888016023780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.872497] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddcf2f [ 41.873100] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.873718] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ee7df8 [ 41.874301] FS: 00007fe0ac602900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.874983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.875478] CR2: 00007fe0acaf4580 CR3: 00000000201fa000 CR4: 0000000000350ef0 [ 41.876052] Call Trace: [ 41.876264] [ 41.876488] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.876896] ? __create_object+0x59/0x80 [ 41.877256] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.877711] __vmalloc_noprof+0x59/0x60 [ 41.878047] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.878460] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.878877] bpf_prog_alloc+0x39/0x200 [ 41.879198] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.879637] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.880048] do_seccomp+0x349/0x25e0 [ 41.880388] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.880797] ? __pfx_do_seccomp+0x10/0x10 [ 41.881170] ? find_held_lock+0x2b/0x80 [ 41.881534] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.881961] ? static_key_count+0x60/0x80 [ 41.882318] prctl_set_seccomp+0x4e/0x70 [ 41.882675] __do_sys_prctl+0xe6c/0x1d70 [ 41.883027] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.883430] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.883866] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.884295] ? irqentry_exit+0xf3/0x650 [ 41.884669] do_syscall_64+0xbf/0x430 [ 41.885017] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.885475] RIP: 0033:0x7fe0acaf45cd [ 41.885785] 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 [ 41.887302] RSP: 002b:00007ffcc831bef0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.887946] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe0acaf45cd [ 41.888569] RDX: 000055e83313be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.889169] RBP: 00007ffcc831bf50 R08: 0000000000000000 R09: 00007ffcc831b5f0 [ 41.889772] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e844a53bf0 [ 41.890357] R13: 00007ffcc831c380 R14: 000055e844a5d380 R15: 000055e844a68460 [ 41.890979] [ 41.891176] irq event stamp: 1719 [ 41.891492] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 41.892177] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 41.892912] softirqs last enabled at (1302): [] handle_softirqs+0x50c/0x770 [ 41.893653] softirqs last disabled at (1293): [] __irq_exit_rcu+0xc4/0x100 [ 41.894358] ---[ end trace 0000000000000000 ]--- [ 42.564483] ------------[ cut here ]------------ [ 42.565440] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.567501] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.568937] Modules linked in: [ 42.569573] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.571554] Tainted: [W]=WARN [ 42.572092] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.573558] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.574446] 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 [ 42.577612] RSP: 0018:ffff88801c5c7bc0 EFLAGS: 00010286 [ 42.578574] RAX: 0000000000000000 RBX: ffffed10038b8f78 RCX: ffffffff813a4050 [ 42.579926] RDX: ffff888019538000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.581216] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038b8f2f [ 42.582478] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.583728] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c5c7df8 [ 42.585023] FS: 00007fe4d0adc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.586444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.587487] CR2: 00007ffc45208ef7 CR3: 000000001431c000 CR4: 0000000000350ef0 [ 42.588743] Call Trace: [ 42.589242] [ 42.589695] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.590565] ? __create_object+0x59/0x80 [ 42.591290] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.592245] __vmalloc_noprof+0x59/0x60 [ 42.593023] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.593897] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.594832] bpf_prog_alloc+0x39/0x200 [ 42.595588] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.596527] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.597500] do_seccomp+0x349/0x25e0 [ 42.598176] ? find_held_lock+0x2b/0x80 [ 42.598929] ? do_prlimit+0x310/0x610 [ 42.599659] ? __pfx_do_seccomp+0x10/0x10 [ 42.600448] ? do_raw_spin_unlock+0x53/0x220 [ 42.601255] ? _raw_spin_unlock+0x1e/0x40 [ 42.602050] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.603005] ? static_key_count+0x60/0x80 [ 42.603827] prctl_set_seccomp+0x4e/0x70 [ 42.604625] __do_sys_prctl+0xe6c/0x1d70 [ 42.605445] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.606245] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.607225] ? irqentry_exit+0xf3/0x650 [ 42.608005] do_syscall_64+0xbf/0x430 [ 42.608743] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.609731] RIP: 0033:0x7fe4d0fce5cd [ 42.610433] 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 [ 42.613600] RSP: 002b:00007ffc45206de0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.614947] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe4d0fce5cd [ 42.616235] RDX: 0000562e1c2fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.617556] RBP: 00007ffc45206e40 R08: 0000000000000000 R09: 00007ffc452064e0 [ 42.618471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562e228c0ad0 [ 42.619247] R13: 00007ffc45207270 R14: 0000562e228c1bc0 R15: 0000562e228d2780 [ 42.620068] [ 42.620340] irq event stamp: 1807 [ 42.620738] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.621718] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.622442] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 42.623116] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 42.623809] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2655' (ECDSA) to the list of known hosts. 2025/11/17 23:25:29 fuzzer started 2025/11/17 23:25:29 dialing manager at localhost:37895 2025/11/17 23:25:29 checking machine... 2025/11/17 23:25:29 checking revisions... [ 43.279818] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:25:29 testing simple program... [ 43.363521] cgroup: Unknown subsys name 'net' [ 43.423345] cgroup: Unknown subsys name 'cpuset' [ 43.435531] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:25:29 Registers: info registers vcpu 0 RAX=ffff888009611c40 RBX=ffff88806ce37340 RCX=0000000000000001 RDX=1ffff1100d9c6e86 RSI=ffffffffc888e000 RDI=ffff88806ce37430 RBP=ffffed100d9c6e82 RSP=ffffffff85c07b48 R8 =0000000000000002 R9 =fffffbfff0b80f8e R10=0000000000000000 R11=0000000000000001 R12=ffff88806ce37410 R13=ffff88806ce37400 R14=ffff88806ce37400 R15=dffffc0000000000 RIP=ffffffff814ae218 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffc548d9b8 CR3=0000000009c6b000 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=9a99a3ba4c13e1a7c148415ff7fbff77 XMM02=0000000000303f10d59e07bde36eea69 XMM03=0000000000304038ec2efd57dc4c00df XMM04=9324e395e83313e800000000000ae988 XMM05=abcfcad475b504930000000000321538 XMM06=d74844bf967d85ba00000000003205d8 XMM07=fb795ef6d6577056000000000030fe90 XMM08=2c67c8bc2e329bc30000000000304038 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88806cf08b18 RCX=ffff88806cf089a4 RDX=0000000000000000 RSI=ffffffff8168a5b9 RDI=ffff88806cf08b24 RBP=000000000000000f RSP=ffff88806cf08a30 R8 =0000000000000001 R9 =ffff88806cf08a90 R10=000000000003c9ed R11=000000000001521e R12=ffff88806cf08b18 R13=0000000000000000 R14=ffff888016020000 R15=ffff888009462280 RIP=ffffffff8161901e RFL=00000213 [----A-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 00007f68802af700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe0acbba0b0 CR3=000000000b6e6000 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=35323a333220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383336 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000