syzkaller login: [ 45.791192] ------------[ cut here ]------------ [ 45.792132] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.794160] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.795614] Modules linked in: [ 45.796249] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.798241] Tainted: [W]=WARN [ 45.798788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.800284] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.801187] 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 [ 45.804361] RSP: 0018:ffff888019ee7bc0 EFLAGS: 00010286 [ 45.805347] RAX: 0000000000000000 RBX: ffffed10033dcf78 RCX: ffffffff813a4050 [ 45.806640] RDX: ffff888013dc0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.807929] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033dcf2f [ 45.809213] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.810503] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ee7df8 [ 45.811782] FS: 00007fd671ef6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.813225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.814296] CR2: 00007fd6723e8580 CR3: 000000000cc4a000 CR4: 0000000000350ef0 [ 45.815579] Call Trace: [ 45.816098] [ 45.816509] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.817400] ? __create_object+0x59/0x80 [ 45.818195] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.819169] __vmalloc_noprof+0x59/0x60 [ 45.819959] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.820776] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.821706] bpf_prog_alloc+0x39/0x200 [ 45.822452] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.823391] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.824318] do_seccomp+0x349/0x25e0 [ 45.825039] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.825940] ? __pfx_do_seccomp+0x10/0x10 [ 45.826678] ? find_held_lock+0x2b/0x80 [ 45.827436] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.828422] ? static_key_count+0x60/0x80 [ 45.829228] prctl_set_seccomp+0x4e/0x70 [ 45.830001] __do_sys_prctl+0xe6c/0x1d70 [ 45.830748] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.831609] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.832586] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.833549] ? irqentry_exit+0xf3/0x650 [ 45.834337] do_syscall_64+0xbf/0x430 [ 45.835068] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.836047] RIP: 0033:0x7fd6723e85cd [ 45.836714] 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 [ 45.839893] RSP: 002b:00007ffcc3f47aa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.841289] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd6723e85cd [ 45.842560] RDX: 000055b64e861e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.843846] RBP: 00007ffcc3f47b00 R08: 0000000000000000 R09: 00007ffcc3f471a0 [ 45.845160] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b674b862b0 [ 45.846469] R13: 00007ffcc3f47f30 R14: 000055b674b88d20 R15: 000055b674b9a8d0 [ 45.847782] [ 45.848265] irq event stamp: 1741 [ 45.848910] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 45.850436] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 45.851971] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 45.853519] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 45.855028] ---[ end trace 0000000000000000 ]--- [ 49.411998] ------------[ cut here ]------------ [ 49.412983] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.415102] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 49.416683] Modules linked in: [ 49.417399] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.419559] Tainted: [W]=WARN [ 49.420264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.421906] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.422858] 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 [ 49.426370] RSP: 0018:ffff888016bd7bc0 EFLAGS: 00010286 [ 49.427469] RAX: 0000000000000000 RBX: ffffed1002d7af78 RCX: ffffffff813a4050 [ 49.428913] RDX: ffff8880165f9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.430322] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7af2f [ 49.431712] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.433154] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bd7df8 [ 49.434577] FS: 00007feb6f7d2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.436170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.437336] CR2: 00007feb6fcc4580 CR3: 000000000e226000 CR4: 0000000000350ef0 [ 49.438676] Call Trace: [ 49.439724] [ 49.440269] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.441228] ? __create_object+0x59/0x80 [ 49.442107] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.443205] __vmalloc_noprof+0x59/0x60 [ 49.444068] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.445031] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.446069] bpf_prog_alloc+0x39/0x200 [ 49.446835] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.447847] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.448951] do_seccomp+0x349/0x25e0 [ 49.449685] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.450667] ? __pfx_do_seccomp+0x10/0x10 [ 49.451562] ? find_held_lock+0x2b/0x80 [ 49.452405] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.453461] ? static_key_count+0x60/0x80 [ 49.454351] prctl_set_seccomp+0x4e/0x70 [ 49.455208] __do_sys_prctl+0xe6c/0x1d70 [ 49.456097] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.457061] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.458136] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.459212] ? irqentry_exit+0xf3/0x650 [ 49.460051] do_syscall_64+0xbf/0x430 [ 49.460827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.461925] RIP: 0033:0x7feb6fcc45cd [ 49.462638] 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 [ 49.466038] RSP: 002b:00007ffc065ba9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.467525] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb6fcc45cd [ 49.468935] RDX: 000055a54dd63e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.470340] RBP: 00007ffc065baa00 R08: 0000000000000000 R09: 00007ffc065ba0a0 [ 49.471762] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a579817ad0 [ 49.473172] R13: 00007ffc065bae30 R14: 000055a579818bc0 R15: 000055a579829780 [ 49.474577] [ 49.475092] irq event stamp: 1765 [ 49.475755] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 49.477419] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 49.479086] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 49.480663] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 49.481742] ---[ end trace 0000000000000000 ]--- [ 50.295395] ------------[ cut here ]------------ [ 50.296325] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.298318] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.299759] Modules linked in: [ 50.300396] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.302605] Tainted: [W]=WARN [ 50.303270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.304780] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.305687] 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 [ 50.308857] RSP: 0018:ffff88801789fbc0 EFLAGS: 00010286 [ 50.309826] RAX: 0000000000000000 RBX: ffffed1002f13f78 RCX: ffffffff813a4050 [ 50.311089] RDX: ffff88801bc1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.312382] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f13f2f [ 50.313645] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.314924] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801789fdf8 [ 50.316197] FS: 00007f3d8f643900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.317606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.318662] CR2: 00007f3d8fb35580 CR3: 000000000d61f000 CR4: 0000000000350ef0 [ 50.319971] Call Trace: [ 50.320444] [ 50.320848] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.321747] ? __create_object+0x59/0x80 [ 50.322512] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.323476] __vmalloc_noprof+0x59/0x60 [ 50.324244] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.325116] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.326042] bpf_prog_alloc+0x39/0x200 [ 50.326734] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.327653] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.328550] do_seccomp+0x349/0x25e0 [ 50.329264] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.330138] ? __pfx_do_seccomp+0x10/0x10 [ 50.330912] ? find_held_lock+0x2b/0x80 [ 50.331625] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.332596] ? static_key_count+0x60/0x80 [ 50.333407] prctl_set_seccomp+0x4e/0x70 [ 50.334174] __do_sys_prctl+0xe6c/0x1d70 [ 50.334947] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.335750] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.336711] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.337672] ? irqentry_exit+0xf3/0x650 [ 50.338442] do_syscall_64+0xbf/0x430 [ 50.339179] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.340129] RIP: 0033:0x7f3d8fb355cd [ 50.340783] 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 [ 50.343901] RSP: 002b:00007ffc93c63d20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.345234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d8fb355cd [ 50.346500] RDX: 000055f132aa5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.347760] RBP: 00007ffc93c63d80 R08: 0000000000000000 R09: 00007ffc93c63420 [ 50.349044] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f143cedb10 [ 50.350307] R13: 00007ffc93c641b0 R14: 000055f143cee2b0 R15: 000055f143d026f0 [ 50.351590] [ 50.352069] irq event stamp: 1801 [ 50.352672] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 50.354164] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 50.355664] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 50.357185] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 50.358683] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37914' (ECDSA) to the list of known hosts. 2025/11/19 00:20:58 fuzzer started 2025/11/19 00:20:59 dialing manager at localhost:34383 2025/11/19 00:20:59 checking machine... 2025/11/19 00:20:59 checking revisions... [ 51.246189] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:20:59 testing simple program... [ 51.331791] cgroup: Unknown subsys name 'net' [ 51.386159] cgroup: Unknown subsys name 'cpuset' [ 51.399931] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:20:58 Registers: info registers vcpu 0 RAX=0000000000047023 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd895003010 CR3=000000000a216000 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=30323a303020393120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3234325b646873732038353a3032 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383535 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffff888009924efe RDX=ffff888016099bc0 RSI=ffffffff83ee5f6b RDI=ffff88800c95d708 RBP=dffffc0000000000 RSP=ffff888016fd7cb0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff85441be0 R13=ffff88800c95d700 R14=ffff888017921000 R15=ffff888017921000 RIP=ffffffff83ee5fa1 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 00007feb6f7d2900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc065b4000 CR3=000000000cb8c000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000