Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.041115] ------------[ cut here ]------------ [ 39.042017] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.044301] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.045730] Modules linked in: [ 39.046330] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.048294] Tainted: [W]=WARN [ 39.048889] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.050342] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.051250] 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 [ 39.054410] RSP: 0018:ffff88800f00fbc0 EFLAGS: 00010286 [ 39.055376] RAX: 0000000000000000 RBX: ffffed1001e01f78 RCX: ffffffff813a4050 [ 39.056658] RDX: ffff88800f28d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.057934] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e01f2f [ 39.059196] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.060481] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f00fdf8 [ 39.061756] FS: 00007f91381e7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.063173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.064244] CR2: 00007f913874d4a6 CR3: 000000000a215000 CR4: 0000000000350ef0 [ 39.065520] Call Trace: [ 39.066017] [ 39.066427] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.067313] ? __create_object+0x59/0x80 [ 39.068087] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.069043] __vmalloc_noprof+0x59/0x60 [ 39.069803] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.070676] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.071548] bpf_prog_alloc+0x39/0x200 [ 39.072284] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.073212] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.074121] do_seccomp+0x349/0x25e0 [ 39.074834] ? find_held_lock+0x2b/0x80 [ 39.075543] ? do_prlimit+0x310/0x610 [ 39.076282] ? __pfx_do_seccomp+0x10/0x10 [ 39.077052] ? do_raw_spin_unlock+0x53/0x220 [ 39.077873] ? _raw_spin_unlock+0x1e/0x40 [ 39.078645] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.079556] ? static_key_count+0x60/0x80 [ 39.080365] prctl_set_seccomp+0x4e/0x70 [ 39.081138] __do_sys_prctl+0xe6c/0x1d70 [ 39.081916] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.082763] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.083717] ? irqentry_exit+0xf3/0x650 [ 39.084435] do_syscall_64+0xbf/0x430 [ 39.085166] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.086101] RIP: 0033:0x7f91386d95cd [ 39.086801] 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 [ 39.089937] RSP: 002b:00007ffedbc7e1c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.091290] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f91386d95cd [ 39.092607] RDX: 000056299d414e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.093511] RBP: 00007ffedbc7e220 R08: 0000000000000000 R09: 00007ffedbc7d8c0 [ 39.094448] R10: 0000000000000000 R11: 0000000000000246 R12: 00005629c7cd42b0 [ 39.095371] R13: 00007ffedbc7e650 R14: 00005629c7cd6d20 R15: 00005629c7ce88d0 [ 39.096321] [ 39.096665] irq event stamp: 1713 [ 39.097106] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 39.098209] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 39.099315] softirqs last enabled at (1650): [] handle_softirqs+0x50c/0x770 [ 39.100449] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 39.101552] ---[ end trace 0000000000000000 ]--- [ 42.084496] ------------[ cut here ]------------ [ 42.085412] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.087379] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.088830] Modules linked in: [ 42.089421] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.091370] Tainted: [W]=WARN [ 42.091978] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.093701] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.094567] 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 [ 42.097815] RSP: 0018:ffff888017157bc0 EFLAGS: 00010286 [ 42.098774] RAX: 0000000000000000 RBX: ffffed1002e2af78 RCX: ffffffff813a4050 [ 42.100038] RDX: ffff888019619bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.101299] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2af2f [ 42.102549] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.103826] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017157df8 [ 42.105098] FS: 00007f1725827900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.106490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.107533] CR2: 00007fffeea65ef7 CR3: 000000000e305000 CR4: 0000000000350ef0 [ 42.108812] Call Trace: [ 42.109272] [ 42.109719] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.110619] ? __create_object+0x59/0x80 [ 42.111358] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.112332] __vmalloc_noprof+0x59/0x60 [ 42.113074] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.113928] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.114848] bpf_prog_alloc+0x39/0x200 [ 42.115535] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.116471] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.117349] do_seccomp+0x349/0x25e0 [ 42.118065] ? find_held_lock+0x2b/0x80 [ 42.118823] ? do_prlimit+0x310/0x610 [ 42.119514] ? __pfx_do_seccomp+0x10/0x10 [ 42.120303] ? do_raw_spin_unlock+0x53/0x220 [ 42.121138] ? _raw_spin_unlock+0x1e/0x40 [ 42.121932] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.122886] ? static_key_count+0x60/0x80 [ 42.123678] prctl_set_seccomp+0x4e/0x70 [ 42.124412] __do_sys_prctl+0xe6c/0x1d70 [ 42.125192] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.126051] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.127017] ? irqentry_exit+0xf3/0x650 [ 42.127773] do_syscall_64+0xbf/0x430 [ 42.128486] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.129430] RIP: 0033:0x7f1725d195cd [ 42.130141] 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 [ 42.133289] RSP: 002b:00007fffeea64420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.134639] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1725d195cd [ 42.135933] RDX: 0000561e6bdf5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.137221] RBP: 00007fffeea64480 R08: 0000000000000000 R09: 00007fffeea63b20 [ 42.138519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561e91748ad0 [ 42.139788] R13: 00007fffeea648b0 R14: 0000561e91749bc0 R15: 0000561e9175a780 [ 42.141090] [ 42.141528] irq event stamp: 1845 [ 42.142189] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 42.143710] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 42.145083] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 42.146355] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 42.147610] ---[ end trace 0000000000000000 ]--- [ 42.818075] ------------[ cut here ]------------ [ 42.818988] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.821022] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.822489] Modules linked in: [ 42.823250] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.825272] Tainted: [W]=WARN [ 42.825871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.827347] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.828272] 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 [ 42.831416] RSP: 0018:ffff88800a947bc0 EFLAGS: 00010286 [ 42.832415] RAX: 0000000000000000 RBX: ffffed1001528f78 RCX: ffffffff813a4050 [ 42.833703] RDX: ffff8880160a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.834988] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001528f2f [ 42.836280] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.837560] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a947df8 [ 42.838872] FS: 00007ffa5a2d8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.840313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.841374] CR2: 00007fffa907bef7 CR3: 0000000009d83000 CR4: 0000000000350ef0 [ 42.842663] Call Trace: [ 42.843127] [ 42.843533] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.844444] ? __create_object+0x59/0x80 [ 42.845233] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.846208] __vmalloc_noprof+0x59/0x60 [ 42.846960] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.847838] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.848783] bpf_prog_alloc+0x39/0x200 [ 42.849482] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.850424] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.851334] do_seccomp+0x349/0x25e0 [ 42.852063] ? find_held_lock+0x2b/0x80 [ 42.852828] ? do_prlimit+0x310/0x610 [ 42.853534] ? __pfx_do_seccomp+0x10/0x10 [ 42.854326] ? do_raw_spin_unlock+0x53/0x220 [ 42.855168] ? _raw_spin_unlock+0x1e/0x40 [ 42.855967] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.856946] ? static_key_count+0x60/0x80 [ 42.857754] prctl_set_seccomp+0x4e/0x70 [ 42.858473] __do_sys_prctl+0xe6c/0x1d70 [ 42.859254] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.860139] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.861111] ? irqentry_exit+0xf3/0x650 [ 42.861895] do_syscall_64+0xbf/0x430 [ 42.862648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.863564] RIP: 0033:0x7ffa5a7ca5cd [ 42.864302] 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 [ 42.867494] RSP: 002b:00007fffa90792a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.868879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa5a7ca5cd [ 42.870165] RDX: 000055fe5bf5ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.871442] RBP: 00007fffa9079300 R08: 0000000000000000 R09: 00007fffa90789a0 [ 42.872735] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fe78646ad0 [ 42.874013] R13: 00007fffa9079730 R14: 000055fe78647bc0 R15: 000055fe78658780 [ 42.875332] [ 42.875787] irq event stamp: 1759 [ 42.876404] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 42.877936] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 42.879457] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 42.882310] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 42.885872] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26423' (ECDSA) to the list of known hosts. 2025/11/19 07:45:33 fuzzer started 2025/11/19 07:45:33 dialing manager at localhost:34383 2025/11/19 07:45:33 checking machine... 2025/11/19 07:45:33 checking revisions... [ 43.758927] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:45:33 testing simple program... [ 43.854193] cgroup: Unknown subsys name 'net' [ 43.925342] cgroup: Unknown subsys name 'cpuset' [ 43.943738] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:45:32 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800f0ff060 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff88800f0fec20 R8 =0000000000000001 R9 =ffff88800f0fed18 R10=000000000003c9ed R11=00000000000255fd R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff88801961b780 R15=ffff88800f0fecd8 RIP=ffffffff81528f48 RFL=00000006 [-----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 00007f1725827900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1725801c94 CR3=000000000e343000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002bf95 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffca60d6928 CR3=000000001c872000 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=35343a373020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363836 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000