syzkaller login: [ 39.005446] ------------[ cut here ]------------ [ 39.006289] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.008026] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.009474] Modules linked in: [ 39.010073] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.011768] Tainted: [W]=WARN [ 39.012241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.013520] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.014248] 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 [ 39.016872] RSP: 0018:ffff8880197c7bc0 EFLAGS: 00010286 [ 39.017677] RAX: 0000000000000000 RBX: ffffed10032f8f78 RCX: ffffffff813a4050 [ 39.018751] RDX: ffff888019eb8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.019820] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032f8f2f [ 39.020873] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.021928] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880197c7df8 [ 39.022987] FS: 00007f98c67bd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.024235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.025146] CR2: 00007fffe0d08ef7 CR3: 000000000cf7b000 CR4: 0000000000350ef0 [ 39.026241] Call Trace: [ 39.026670] [ 39.027022] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.027799] ? __create_object+0x59/0x80 [ 39.028430] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.029258] __vmalloc_noprof+0x59/0x60 [ 39.029880] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.030619] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.031361] bpf_prog_alloc+0x39/0x200 [ 39.031992] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.032765] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.033490] do_seccomp+0x349/0x25e0 [ 39.034101] ? find_held_lock+0x2b/0x80 [ 39.034734] ? do_prlimit+0x310/0x610 [ 39.035318] ? __pfx_do_seccomp+0x10/0x10 [ 39.035995] ? do_raw_spin_unlock+0x53/0x220 [ 39.036696] ? _raw_spin_unlock+0x1e/0x40 [ 39.037311] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.038131] ? static_key_count+0x60/0x80 [ 39.038792] prctl_set_seccomp+0x4e/0x70 [ 39.039400] __do_sys_prctl+0xe6c/0x1d70 [ 39.040060] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.040785] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.041597] ? irqentry_exit+0xf3/0x650 [ 39.042203] do_syscall_64+0xbf/0x430 [ 39.042828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.043621] RIP: 0033:0x7f98c6caf5cd [ 39.044208] 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 [ 39.046862] RSP: 002b:00007fffe0d074f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.048035] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98c6caf5cd [ 39.049120] RDX: 000055903d62de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.050185] RBP: 00007fffe0d07550 R08: 0000000000000000 R09: 00007fffe0d06bf0 [ 39.051259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559046038ad0 [ 39.052351] R13: 00007fffe0d07980 R14: 0000559046039bc0 R15: 000055904604a780 [ 39.053438] [ 39.053824] irq event stamp: 1771 [ 39.054326] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 39.055593] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 39.056881] softirqs last enabled at (1284): [] handle_softirqs+0x50c/0x770 [ 39.058189] softirqs last disabled at (1263): [] __irq_exit_rcu+0xc4/0x100 [ 39.059483] ---[ end trace 0000000000000000 ]--- [ 41.838208] ------------[ cut here ]------------ [ 41.839118] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.841115] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.842531] Modules linked in: [ 41.843084] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.844934] Tainted: [W]=WARN [ 41.845452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.846818] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.847670] 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 [ 41.850679] RSP: 0018:ffff888019c07bc0 EFLAGS: 00010286 [ 41.851594] RAX: 0000000000000000 RBX: ffffed1003380f78 RCX: ffffffff813a4050 [ 41.852805] RDX: ffff888019ce5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.853998] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003380f2f [ 41.855194] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.856386] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c07df8 [ 41.857570] FS: 00007fb9cfba0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.858895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.859874] CR2: 00007ffcae364ef7 CR3: 0000000020a41000 CR4: 0000000000350ef0 [ 41.861053] Call Trace: [ 41.861485] [ 41.861909] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.862731] ? __create_object+0x59/0x80 [ 41.863405] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.864312] __vmalloc_noprof+0x59/0x60 [ 41.865014] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.865818] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.866671] bpf_prog_alloc+0x39/0x200 [ 41.867309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.868182] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.869013] do_seccomp+0x349/0x25e0 [ 41.869674] ? find_held_lock+0x2b/0x80 [ 41.870330] ? do_prlimit+0x310/0x610 [ 41.871005] ? __pfx_do_seccomp+0x10/0x10 [ 41.871733] ? do_raw_spin_unlock+0x53/0x220 [ 41.872488] ? _raw_spin_unlock+0x1e/0x40 [ 41.873219] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.874111] ? static_key_count+0x60/0x80 [ 41.874853] prctl_set_seccomp+0x4e/0x70 [ 41.875565] __do_sys_prctl+0xe6c/0x1d70 [ 41.876255] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.877044] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.877937] ? irqentry_exit+0xf3/0x650 [ 41.878643] do_syscall_64+0xbf/0x430 [ 41.879288] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.880186] RIP: 0033:0x7fb9d00925cd [ 41.880837] 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 [ 41.883782] RSP: 002b:00007ffcae3626f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.885026] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb9d00925cd [ 41.886192] RDX: 00005613b926fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.887361] RBP: 00007ffcae362750 R08: 0000000000000000 R09: 00007ffcae361df0 [ 41.888547] R10: 0000000000000000 R11: 0000000000000246 R12: 00005613d66d0bf0 [ 41.889720] R13: 00007ffcae362b80 R14: 00005613d66da380 R15: 00005613d66e5460 [ 41.890909] [ 41.891298] irq event stamp: 1679 [ 41.891908] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 41.893310] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 41.894693] softirqs last enabled at (1430): [] handle_softirqs+0x50c/0x770 [ 41.896097] softirqs last disabled at (1421): [] __irq_exit_rcu+0xc4/0x100 [ 41.897470] ---[ end trace 0000000000000000 ]--- [ 42.759334] ------------[ cut here ]------------ [ 42.760114] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.761778] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.762961] Modules linked in: [ 42.763445] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.765084] Tainted: [W]=WARN [ 42.765567] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.766801] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.767550] 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 [ 42.770191] RSP: 0018:ffff888019567bc0 EFLAGS: 00010286 [ 42.771007] RAX: 0000000000000000 RBX: ffffed10032acf78 RCX: ffffffff813a4050 [ 42.772071] RDX: ffff8880197bd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.773108] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032acf2f [ 42.774170] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.775217] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019567df8 [ 42.776284] FS: 00007f42f6f95900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.777515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.778357] CR2: 00007f42f7487580 CR3: 0000000020cc3000 CR4: 0000000000350ef0 [ 42.779423] Call Trace: [ 42.779863] [ 42.780206] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.780944] ? __create_object+0x59/0x80 [ 42.781589] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.782373] __vmalloc_noprof+0x59/0x60 [ 42.782996] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.783706] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.784476] bpf_prog_alloc+0x39/0x200 [ 42.785081] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.785841] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.786578] do_seccomp+0x349/0x25e0 [ 42.787143] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.787895] ? __pfx_do_seccomp+0x10/0x10 [ 42.788561] ? find_held_lock+0x2b/0x80 [ 42.789170] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.789980] ? static_key_count+0x60/0x80 [ 42.790653] prctl_set_seccomp+0x4e/0x70 [ 42.791277] __do_sys_prctl+0xe6c/0x1d70 [ 42.791944] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.792663] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.793445] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.794254] ? irqentry_exit+0xf3/0x650 [ 42.794896] do_syscall_64+0xbf/0x430 [ 42.795491] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.796300] RIP: 0033:0x7f42f74875cd [ 42.796889] 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 [ 42.799590] RSP: 002b:00007ffd560d7120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.800756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42f74875cd [ 42.801838] RDX: 000055aa2fad2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.802917] RBP: 00007ffd560d7180 R08: 0000000000000000 R09: 00007ffd560d6820 [ 42.804010] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa68f27ad0 [ 42.805075] R13: 00007ffd560d75b0 R14: 000055aa68f28bc0 R15: 000055aa68f39780 [ 42.806146] [ 42.806523] irq event stamp: 1667 [ 42.807024] hardirqs last enabled at (1675): [] __up_console_sem+0x78/0x80 [ 42.808323] hardirqs last disabled at (1684): [] __up_console_sem+0x5d/0x80 [ 42.809581] softirqs last enabled at (1428): [] handle_softirqs+0x50c/0x770 [ 42.810836] softirqs last disabled at (1423): [] __irq_exit_rcu+0xc4/0x100 [ 42.812087] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9269' (ECDSA) to the list of known hosts. 2025/11/17 14:38:06 fuzzer started 2025/11/17 14:38:06 dialing manager at localhost:37895 2025/11/17 14:38:06 checking machine... 2025/11/17 14:38:06 checking revisions... [ 43.738264] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:38:07 testing simple program... [ 43.843439] cgroup: Unknown subsys name 'net' [ 43.906916] cgroup: Unknown subsys name 'cpuset' [ 43.920369] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:38:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff869d7fd2 RDX=1ffff110032d5f36 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff8880196af9b2 RSP=ffff8880196af900 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff8880196aff58 R13=ffff8880196af9b8 R14=ffff8880196aff58 R15=ffff8880196af970 RIP=ffffffff8135f2ec RFL=00000216 [----AP-] 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 00007fb9cfba0900 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=00007fb9d01580b0 CR3=0000000020905000 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=0000000000023615 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe94118278 CR3=000000000db9e000 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=2035303a38333a343120373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035303a38333a3431203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000