syzkaller login: [ 38.947442] ------------[ cut here ]------------ [ 38.948417] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.950440] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.951945] Modules linked in: [ 38.952611] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.954641] Tainted: [W]=WARN [ 38.955197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.956697] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.957610] 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 [ 38.960823] RSP: 0018:ffff888016dc7bc0 EFLAGS: 00010286 [ 38.961822] RAX: 0000000000000000 RBX: ffffed1002db8f78 RCX: ffffffff813a4050 [ 38.963132] RDX: ffff88800fa5d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.964416] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db8f2f [ 38.965694] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.966983] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dc7df8 [ 38.968272] FS: 00007f0918af1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.969772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.970846] CR2: 00007f0918fe3580 CR3: 000000000bd9e000 CR4: 0000000000350ef0 [ 38.972128] Call Trace: [ 38.972651] [ 38.973072] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.973988] ? __create_object+0x59/0x80 [ 38.974782] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.975771] __vmalloc_noprof+0x59/0x60 [ 38.976533] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.977403] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.978345] bpf_prog_alloc+0x39/0x200 [ 38.979036] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.979981] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.980906] do_seccomp+0x349/0x25e0 [ 38.981645] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.982549] ? __pfx_do_seccomp+0x10/0x10 [ 38.983351] ? find_held_lock+0x2b/0x80 [ 38.984069] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.985051] ? static_key_count+0x60/0x80 [ 38.985863] prctl_set_seccomp+0x4e/0x70 [ 38.986647] __do_sys_prctl+0xe6c/0x1d70 [ 38.987435] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.988253] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.989255] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.990244] ? irqentry_exit+0xf3/0x650 [ 38.991025] do_syscall_64+0xbf/0x430 [ 38.991775] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.992740] RIP: 0033:0x7f0918fe35cd [ 38.993443] 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 [ 38.996667] RSP: 002b:00007ffd40412900 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.998050] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0918fe35cd [ 38.999361] RDX: 000055dcca7e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.000694] RBP: 00007ffd40412960 R08: 0000000000000000 R09: 00007ffd40412000 [ 39.002006] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd063e5ad0 [ 39.003313] R13: 00007ffd40412d90 R14: 000055dd063e6bc0 R15: 000055dd063f7780 [ 39.004652] [ 39.005078] irq event stamp: 1805 [ 39.005733] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 39.007302] hardirqs last disabled at (1826): [] sysvec_apic_timer_interrupt+0xf/0x80 [ 39.009005] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 39.010553] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 39.012081] ---[ end trace 0000000000000000 ]--- [ 41.953669] ------------[ cut here ]------------ [ 41.954628] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.956663] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 41.958138] Modules linked in: [ 41.958830] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.960832] Tainted: [W]=WARN [ 41.961441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.962915] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.963838] 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 [ 41.967025] RSP: 0018:ffff88801b31fbc0 EFLAGS: 00010286 [ 41.968016] RAX: 0000000000000000 RBX: ffffed1003663f78 RCX: ffffffff813a4050 [ 41.969393] RDX: ffff88800f600000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.970689] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003663f2f [ 41.971981] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.973301] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b31fdf8 [ 41.974576] FS: 00007f637a30d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.976025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.977111] CR2: 00007ffd5eb18ef7 CR3: 000000000c1a9000 CR4: 0000000000350ef0 [ 41.978412] Call Trace: [ 41.978877] [ 41.979333] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.980187] ? __create_object+0x59/0x80 [ 41.980989] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.981979] __vmalloc_noprof+0x59/0x60 [ 41.982740] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.983623] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.984587] bpf_prog_alloc+0x39/0x200 [ 41.985340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.986224] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.987151] do_seccomp+0x349/0x25e0 [ 41.987878] ? find_held_lock+0x2b/0x80 [ 41.988654] ? do_prlimit+0x310/0x610 [ 41.989398] ? __pfx_do_seccomp+0x10/0x10 [ 41.990134] ? do_raw_spin_unlock+0x53/0x220 [ 41.990971] ? _raw_spin_unlock+0x1e/0x40 [ 41.991758] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.992743] ? static_key_count+0x60/0x80 [ 41.993554] prctl_set_seccomp+0x4e/0x70 [ 41.994327] __do_sys_prctl+0xe6c/0x1d70 [ 41.995066] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.995923] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.996970] ? irqentry_exit+0xf3/0x650 [ 41.997743] do_syscall_64+0xbf/0x430 [ 41.998483] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.999445] RIP: 0033:0x7f637a7ff5cd [ 42.000098] 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 [ 42.003298] RSP: 002b:00007ffd5eb164c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.004706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f637a7ff5cd [ 42.006003] RDX: 00005623bb838e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.007313] RBP: 00007ffd5eb16520 R08: 0000000000000000 R09: 00007ffd5eb15bc0 [ 42.008620] R10: 0000000000000000 R11: 0000000000000246 R12: 00005623d7e97ad0 [ 42.009909] R13: 00007ffd5eb16950 R14: 00005623d7e98bc0 R15: 00005623d7ea9780 [ 42.011221] [ 42.011700] irq event stamp: 1767 [ 42.012337] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 42.013884] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 42.015429] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 42.016976] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 42.018504] ---[ end trace 0000000000000000 ]--- [ 42.735137] ------------[ cut here ]------------ [ 42.736049] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.738134] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.739605] Modules linked in: [ 42.740199] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.742204] Tainted: [W]=WARN [ 42.742806] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.744260] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.746760] 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 [ 42.749945] RSP: 0018:ffff888017be7bc0 EFLAGS: 00010286 [ 42.750933] RAX: 0000000000000000 RBX: ffffed1002f7cf78 RCX: ffffffff813a4050 [ 42.752215] RDX: ffff88800f559bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.753574] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f7cf2f [ 42.755099] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.756429] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017be7df8 [ 42.757745] FS: 00007fa533d52900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.759202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.760253] CR2: 00007fa534244580 CR3: 000000000ee20000 CR4: 0000000000350ef0 [ 42.761600] Call Trace: [ 42.762066] [ 42.762523] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.763429] ? __create_object+0x59/0x80 [ 42.764181] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.765200] __vmalloc_noprof+0x59/0x60 [ 42.765968] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.766842] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.767782] bpf_prog_alloc+0x39/0x200 [ 42.768565] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.769506] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.770419] do_seccomp+0x349/0x25e0 [ 42.771098] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.772000] ? __pfx_do_seccomp+0x10/0x10 [ 42.772830] ? find_held_lock+0x2b/0x80 [ 42.773603] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.774569] ? static_key_count+0x60/0x80 [ 42.775376] prctl_set_seccomp+0x4e/0x70 [ 42.776114] __do_sys_prctl+0xe6c/0x1d70 [ 42.776945] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.777815] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.778784] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.779754] ? irqentry_exit+0xf3/0x650 [ 42.780568] do_syscall_64+0xbf/0x430 [ 42.781282] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.782224] RIP: 0033:0x7fa5342445cd [ 42.782926] 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 [ 42.786174] RSP: 002b:00007fffe7bf8440 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.787550] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa5342445cd [ 42.788860] RDX: 000055b74caa5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.790148] RBP: 00007fffe7bf84a0 R08: 0000000000000000 R09: 00007fffe7bf7b40 [ 42.791436] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b77df83ad0 [ 42.792761] R13: 00007fffe7bf88d0 R14: 000055b77df84bc0 R15: 000055b77df95780 [ 42.794068] [ 42.794548] irq event stamp: 2069 [ 42.795149] hardirqs last enabled at (2077): [] __up_console_sem+0x78/0x80 [ 42.796720] hardirqs last disabled at (2086): [] __up_console_sem+0x5d/0x80 [ 42.798247] softirqs last enabled at (2006): [] handle_softirqs+0x50c/0x770 [ 42.799828] softirqs last disabled at (2001): [] __irq_exit_rcu+0xc4/0x100 [ 42.801302] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11981' (ECDSA) to the list of known hosts. 2025/11/18 05:27:12 fuzzer started 2025/11/18 05:27:12 dialing manager at localhost:37895 2025/11/18 05:27:12 checking machine... 2025/11/18 05:27:12 checking revisions... [ 43.680501] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:27:13 testing simple program... [ 43.774747] cgroup: Unknown subsys name 'net' [ 43.832964] cgroup: Unknown subsys name 'cpuset' [ 43.846144] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:27:12 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888017aafa58 RCX=ffff888017aaf8e4 RDX=0000000000000000 RSI=ffffffff81bb616c RDI=ffff888017aafa64 RBP=0000000000000006 RSP=ffff888017aaf970 R8 =0000000000000001 R9 =ffff888017aaf9d0 R10=000000000003c9ed R11=0000000000027fd2 R12=ffff888017aafa58 R13=0000000000000000 R14=ffff88800f601bc0 R15=ffff888009462140 RIP=ffffffff81619044 RFL=00000246 [---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 00007f637a30d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd5eb10000 CR3=000000000c2e0000 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 info registers vcpu 1 RAX=000000000002129f 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=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 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f22752bf5e0 CR3=000000000e303000 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=c7beffade891fd91d94639b7c545ba22 XMM02=2c67c8bc2e329bc30000000000304040 XMM03=fb795ef6d657705600000000003100d8 XMM04=70a14ad41d26704b00000000000ae988 XMM05=14648eaa1277bab10000000000320ae0 XMM06=7315979c518b04fb000000000031a738 XMM07=e042d86d42eb936e00000000003103b0 XMM08=2a8a27aeb4a6211b00000000003040a0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000