syzkaller login: [ 38.970520] ------------[ cut here ]------------ [ 38.971316] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.972978] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.974189] Modules linked in: [ 38.974686] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.976310] Tainted: [W]=WARN [ 38.976777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.977983] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.978742] 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 [ 38.981368] RSP: 0018:ffff88800dd6fbc0 EFLAGS: 00010286 [ 38.982187] RAX: 0000000000000000 RBX: ffffed1001badf78 RCX: ffffffff813a4050 [ 38.983274] RDX: ffff888017241bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.984341] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001badf2f [ 38.985403] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.986474] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800dd6fdf8 [ 38.987545] FS: 00007f3532310900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.988736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.989622] CR2: 00007fff7adb9ef8 CR3: 000000000e0d8000 CR4: 0000000000350ef0 [ 38.990699] Call Trace: [ 38.991120] [ 38.991466] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.992208] ? __create_object+0x59/0x80 [ 38.992819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.993623] __vmalloc_noprof+0x59/0x60 [ 38.994249] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.994940] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.995713] bpf_prog_alloc+0x39/0x200 [ 38.996339] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.997116] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.997830] do_seccomp+0x349/0x25e0 [ 38.998436] ? find_held_lock+0x2b/0x80 [ 38.999074] ? do_prlimit+0x310/0x610 [ 38.999664] ? __pfx_do_seccomp+0x10/0x10 [ 39.000324] ? do_raw_spin_unlock+0x53/0x220 [ 39.000975] ? _raw_spin_unlock+0x1e/0x40 [ 39.001619] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.002436] ? static_key_count+0x60/0x80 [ 39.003097] prctl_set_seccomp+0x4e/0x70 [ 39.003699] __do_sys_prctl+0xe6c/0x1d70 [ 39.004359] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.005070] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.005830] ? irqentry_exit+0xf3/0x650 [ 39.006485] do_syscall_64+0xbf/0x430 [ 39.007107] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.007851] RIP: 0033:0x7f35328025cd [ 39.008442] 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 [ 39.011075] RSP: 002b:00007fff7adb7f00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.012210] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35328025cd [ 39.013277] RDX: 000055b8864b3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.014341] RBP: 00007fff7adb7f60 R08: 0000000000000000 R09: 00007fff7adb7600 [ 39.015414] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b8b169bad0 [ 39.016477] R13: 00007fff7adb8390 R14: 000055b8b169cbc0 R15: 000055b8b16ad780 [ 39.017567] [ 39.017920] irq event stamp: 1697 [ 39.018478] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 39.019751] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 39.021019] softirqs last enabled at (1188): [] handle_softirqs+0x50c/0x770 [ 39.022329] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.023601] ---[ end trace 0000000000000000 ]--- [ 42.472121] ------------[ cut here ]------------ [ 42.473019] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.475178] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.476623] Modules linked in: [ 42.477265] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.479284] Tainted: [W]=WARN [ 42.479840] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.481311] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.482239] 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 [ 42.485429] RSP: 0018:ffff88801754fbc0 EFLAGS: 00010286 [ 42.486417] RAX: 0000000000000000 RBX: ffffed1002ea9f78 RCX: ffffffff813a4050 [ 42.487721] RDX: ffff888016ad3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.489068] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea9f2f [ 42.490339] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.491632] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801754fdf8 [ 42.492933] FS: 00007f5677b67900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.494387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.495463] CR2: 00007ffdfd68cef8 CR3: 000000001a3ef000 CR4: 0000000000350ef0 [ 42.496746] Call Trace: [ 42.497268] [ 42.497686] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.498599] ? __create_object+0x59/0x80 [ 42.499382] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.500342] __vmalloc_noprof+0x59/0x60 [ 42.501104] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.501934] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.502915] bpf_prog_alloc+0x39/0x200 [ 42.503652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.504587] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.505509] do_seccomp+0x349/0x25e0 [ 42.506241] ? lock_acquire+0x15e/0x2f0 [ 42.506989] ? find_held_lock+0x2b/0x80 [ 42.507759] ? __pfx_do_seccomp+0x10/0x10 [ 42.508557] ? lock_release+0xc8/0x290 [ 42.509314] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.510279] ? static_key_count+0x60/0x80 [ 42.511087] prctl_set_seccomp+0x4e/0x70 [ 42.511827] __do_sys_prctl+0xe6c/0x1d70 [ 42.512615] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.513491] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.514483] do_syscall_64+0xbf/0x430 [ 42.515239] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.516197] RIP: 0033:0x7f56780595cd [ 42.516869] 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 [ 42.520059] RSP: 002b:00007ffdfd68bbb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.521431] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56780595cd [ 42.522730] RDX: 000055fd61d8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.524030] RBP: 00007ffdfd68bc10 R08: 0000000000000000 R09: 00007ffdfd68b2b0 [ 42.525352] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fd93ff22b0 [ 42.526651] R13: 00007ffdfd68c040 R14: 000055fd93ff4d20 R15: 000055fd940068d0 [ 42.527974] [ 42.528450] irq event stamp: 1783 [ 42.529109] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 42.530657] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 42.531919] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 42.533196] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 42.534473] ---[ end trace 0000000000000000 ]--- [ 43.222606] ------------[ cut here ]------------ [ 43.223543] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.225512] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.227064] Modules linked in: [ 43.227657] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.229618] Tainted: [W]=WARN [ 43.230211] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.231704] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.232636] 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 [ 43.235833] RSP: 0018:ffff88800d98fbc0 EFLAGS: 00010286 [ 43.236815] RAX: 0000000000000000 RBX: ffffed1001b31f78 RCX: ffffffff813a4050 [ 43.238081] RDX: ffff888019ea1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.239378] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b31f2f [ 43.240660] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.241940] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d98fdf8 [ 43.243239] FS: 00007f732eddf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.244662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.245742] CR2: 00007ffffbcdbef8 CR3: 000000001ec78000 CR4: 0000000000350ef0 [ 43.247155] Call Trace: [ 43.247622] [ 43.248084] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.248931] ? __create_object+0x59/0x80 [ 43.249714] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.250695] __vmalloc_noprof+0x59/0x60 [ 43.251511] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.252406] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.253336] bpf_prog_alloc+0x39/0x200 [ 43.254025] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.255000] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.255924] do_seccomp+0x349/0x25e0 [ 43.256648] ? find_held_lock+0x2b/0x80 [ 43.257400] ? do_prlimit+0x310/0x610 [ 43.258152] ? __pfx_do_seccomp+0x10/0x10 [ 43.258903] ? do_raw_spin_unlock+0x53/0x220 [ 43.259733] ? _raw_spin_unlock+0x1e/0x40 [ 43.260514] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.261482] ? static_key_count+0x60/0x80 [ 43.262271] prctl_set_seccomp+0x4e/0x70 [ 43.263018] __do_sys_prctl+0xe6c/0x1d70 [ 43.263807] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.264670] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.265625] ? irqentry_exit+0xf3/0x650 [ 43.266394] do_syscall_64+0xbf/0x430 [ 43.267160] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.268102] RIP: 0033:0x7f732f2d15cd [ 43.268763] 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 [ 43.271937] RSP: 002b:00007ffffbcdae20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.273297] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f732f2d15cd [ 43.274587] RDX: 00005593d0a86e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.275873] RBP: 00007ffffbcdae80 R08: 0000000000000000 R09: 00007ffffbcda520 [ 43.277177] R10: 0000000000000000 R11: 0000000000000246 R12: 00005593f7f91ad0 [ 43.278471] R13: 00007ffffbcdb2b0 R14: 00005593f7f92bc0 R15: 00005593f7fa3780 [ 43.279762] [ 43.280226] irq event stamp: 1789 [ 43.280822] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 43.282339] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 43.283872] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 43.285406] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 43.286917] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60166' (ECDSA) to the list of known hosts. 2025/11/18 12:47:52 fuzzer started 2025/11/18 12:47:53 dialing manager at localhost:34383 2025/11/18 12:47:53 checking machine... 2025/11/18 12:47:53 checking revisions... [ 44.186691] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:47:53 testing simple program... [ 44.273023] cgroup: Unknown subsys name 'net' [ 44.325548] cgroup: Unknown subsys name 'cpuset' [ 44.346012] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:47:52 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88801673f9b0 RCX=ffff88801673f8b4 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888016ad03fc RBP=ffff888016ad0000 RSP=ffff88801673f8c0 R8 =0000000000000001 R9 =ffff88801673f9f0 R10=000000000003c9ed R11=0000000000006e2e R12=ffff88801673fa01 R13=ffff88801673f9f8 R14=ffff88801673f980 R15=ffff88801673f9b0 RIP=ffffffff815d2b50 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f7571908700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5677b46020 CR3=0000000009bed000 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=2032353a37343a323120383120766f4e XMM01=6964206465766965636552203a5d3134 XMM02=6f63736964203a31313a343938363420 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031353a37343a3231203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888009643780 RCX=0000000000000000 RDX=0000000000000001 RSI=0000000000000020 RDI=0000000000000001 RBP=ffff8880096441d8 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009644200 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815271ac 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f96c719a000 CR3=0000000009bed000 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=2032353a37343a323120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031353a37343a3231203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000