alloc_nfs_open_context identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/nfs_fs.h, line 455 (as a prototype)

Defined in 1 files as a function:

fs/nfs/inode.c, line 1188 (as a function)

Referenced in 4 files:

Smatch caller information:

fs/nfs/inode.c nfs_open() -> alloc_nfs_open_context()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	1	f_mode	0-3,32-35
PARAM_VALUE	2	filp	4096-ptr_max
PARAM_VALUE	2	filp->f_path.dentry	4096-ptr_max
PARAM_VALUE	2	filp->f_path.dentry->d_sb->s_cop->empty_dir	0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE	2	filp->f_path.dentry->d_sb->s_cop->get_context	0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE	2	filp->f_path.dentry->d_sb->s_cop->set_context	0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
BUF_SIZE	2	filp	(-1)-s32max
BUF_SIZE	2	filp	(-1)-s32max
BUF_SIZE	2	filp->__f_path.dentry	(-1)-s32max
BUF_SIZE	2	filp->private_data	(-1),232
DATA_SOURCE	2	filp	$1
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	f_mode	0-3,32-35[c]
USER_DATA	2	filp->__f_path.dentry->__d_name.hash	0-u32max[c]
USER_DATA	2	filp->f_flags	0-u32max
USER_DATA	2	filp->f_mode	0,4-u32max[c]
NO_OVERFLOW_SIMPLE	2	filp->f_inode->i_blkbits
NO_OVERFLOW_SIMPLE	2	filp->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE	2	filp->f_path.dentry->d_inode->i_blkbits
NO_OVERFLOW_SIMPLE	2	filp->f_path.moved->d_inode->i_size
USER_PTR	2	filp->__f_path.dentry->__d_name.name

fs/nfs/nfs4file.c __nfs42_ssc_open() -> alloc_nfs_open_context()

Type	Parameter	Key	Value
PARAM_VALUE	1	f_mode	0-3,32-35
PARAM_VALUE	2	filp	4096-ptr_max
PARAM_VALUE	2	filp->__f_path.dentry	4096-ptr_max
PARAM_VALUE	2	filp->__f_path.mnt	0
PARAM_VALUE	2	filp->f_cred	0,4096-ptr_max
PARAM_VALUE	2	filp->f_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	filp->f_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	filp->f_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	2	filp->f_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	2	filp->f_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	filp->f_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	filp->f_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	filp->f_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	filp->f_ep	0
PARAM_VALUE	2	filp->f_flags	0-18433,32770
PARAM_VALUE	2	filp->f_inode	4096-ptr_max
PARAM_VALUE	2	filp->f_iocb_flags	0,2,16,18,131072,131074,131088,131090
PARAM_VALUE	2	filp->f_mapping	4096-ptr_max
PARAM_VALUE	2	filp->f_mode	33554432,34078720-571342855
PARAM_VALUE	2	filp->f_op	4096-ptr_max
PARAM_VALUE	2	filp->f_owner	0
PARAM_VALUE	2	filp->f_pos	0
PARAM_VALUE	2	filp->f_pos_lock.dep_map->name	0-255
PARAM_VALUE	2	filp->f_pos_lock.first_waiter	0
PARAM_VALUE	2	filp->f_pos_lock.magic	4096-ptr_max
PARAM_VALUE	2	filp->f_pos_lock.osq.tail.counter	0
PARAM_VALUE	2	filp->f_pos_lock.owner.counter	0
PARAM_VALUE	2	filp->f_ra.async_size	0
PARAM_VALUE	2	filp->f_ra.mmap_miss	0
PARAM_VALUE	2	filp->f_ra.order	0
PARAM_VALUE	2	filp->f_ra.prev_pos	0
PARAM_VALUE	2	filp->f_ra.ra_pages	0
PARAM_VALUE	2	filp->f_ra.size	0
PARAM_VALUE	2	filp->f_ra.start	0
PARAM_VALUE	2	filp->f_ref.refcnt.counter	0
PARAM_VALUE	2	filp->f_sb_err	0
PARAM_VALUE	2	filp->f_wb_err	0
PARAM_VALUE	2	filp->private_data	0
CAPPED_DATA	2	filp->f_cred	1
DATA_SOURCE	2	filp	r alloc_file_pseudo
NO_OVERFLOW_SIMPLE	2	filp->f_inode->i_blkbits
NO_OVERFLOW_SIMPLE	2	filp->f_inode->i_size

fs/nfs/nfs4file.c nfs4_file_open() -> alloc_nfs_open_context()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	1	f_mode	0-3,32-35
PARAM_VALUE	2	filp	4096-ptr_max
PARAM_VALUE	2	filp->f_path.dentry	4096-ptr_max
PARAM_VALUE	2	filp->f_path.dentry->d_sb->s_cop->empty_dir	0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE	2	filp->f_path.dentry->d_sb->s_cop->get_context	0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE	2	filp->f_path.dentry->d_sb->s_cop->set_context	0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
BUF_SIZE	2	filp	(-1)-s32max
BUF_SIZE	2	filp	(-1)-s32max
BUF_SIZE	2	filp->__f_path.dentry	(-1),1-s32max
BUF_SIZE	2	filp->private_data	(-1),232
DATA_SOURCE	2	filp	$1
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	f_mode	0-3,32-35[c]
USER_DATA	2	filp->__f_path.dentry->__d_name.hash	0-u32max[c]
USER_DATA	2	filp->f_flags	0-u32max
USER_DATA	2	filp->f_mode	0,4-u32max
NO_OVERFLOW_SIMPLE	2	filp->f_inode->i_blkbits
NO_OVERFLOW_SIMPLE	2	filp->f_inode->i_size
NO_OVERFLOW_SIMPLE	2	filp->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE	2	filp->f_path.dentry->d_inode->i_blkbits
NO_OVERFLOW_SIMPLE	2	filp->f_path.dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	2	filp->f_path.moved->d_inode->i_size
USER_PTR	2	filp->__f_path.dentry->__d_name.name

fs/nfs/dir.c create_nfs_open_context() -> alloc_nfs_open_context()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	dentry->d_op->d_dname	0,4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	dentry->d_op->d_iput	0,4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	dentry->d_op->d_prune	0,4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_real	0,4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	dentry->d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	dentry->d_op->d_weak_revalidate	0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	1	f_mode	0-3,32-35
PARAM_VALUE	2	filp	4096-ptr_max
PARAM_VALUE	2	filp->__f_path.dentry	(-1)
DATA_SOURCE	0	dentry	$0
DATA_SOURCE	2	filp	$2
NO_OVERFLOW_SIMPLE	0	dentry->d_sb->s_blocksize
NO_OVERFLOW_SIMPLE	0	dentry->d_sb->s_blocksize_bits

fs/nfs/nfs4proc.c nfs4_proc_create() -> alloc_nfs_open_context()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	0	dentry->d_inode->i_data.host->i_sb->s_export_op->encode_fh	0,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE	0	dentry->d_inode->i_data.host->i_sb->s_export_op->fh_to_dentry	0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dentry->d_inode->i_data.host->i_sb->s_export_op->fh_to_parent	0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	dentry->d_inode->i_data.host->i_sb->s_export_op->get_parent	0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	0	dentry->d_inode->i_mapping->host->i_sb->s_export_op->encode_fh	0,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE	0	dentry->d_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dentry->d_inode->i_mapping->host->i_sb->s_export_op->fh_to_parent	0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	dentry->d_inode->i_mapping->host->i_sb->s_export_op->get_parent	0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	0	dentry->d_inode->i_sb->s_cop->inode_info_offs	1632,1808,2632,2648
PARAM_VALUE	0	dentry->d_inode->i_sb->s_export_op->encode_fh	0,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE	0	dentry->d_inode->i_sb->s_export_op->fh_to_dentry	0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	dentry->d_inode->i_sb->s_export_op->fh_to_parent	0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	dentry->d_inode->i_sb->s_export_op->get_parent	0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	0	dentry->d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	dentry->d_op->d_dname	0,4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	dentry->d_op->d_iput	0,4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	dentry->d_op->d_prune	0,4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_real	0,4096-ptr_max
PARAM_VALUE	0	dentry->d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	dentry->d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	dentry->d_op->d_weak_revalidate	0,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	dentry->d_parent->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	dentry->d_parent->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	dentry->d_parent->d_inode->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	1	f_mode	1
PARAM_VALUE	2	filp	0
BUF_SIZE	0	dentry	(-1)-s32max
BUF_SIZE	0	dentry	(-1)-s32max
DATA_SOURCE	0	dentry	$1
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	dentry->__d_name.hash	0-u32max[c]
USER_DATA	0	dentry->d_parent->__d_name.hash	0-u32max[c]
USER_DATA	0	dentry->d_sb->s_flags	0-u64max[c]
USER_DATA	0	*dentry->__d_name.name	0-255
USER_DATA	0	*dentry->d_parent->__d_name.name	0-255
NO_OVERFLOW_SIMPLE	0	dentry->d_sb->s_blocksize
NO_OVERFLOW_SIMPLE	0	dentry->d_sb->s_blocksize_bits
USER_PTR	0	dentry->__d_name.name
HALF_LOCKED2		&dir->d_inode->i_rwsem
HALF_LOCKED2	0	&dentry->d_lockref.lock